CN104038989B - The methods, devices and systems to communicate in WLAN - Google Patents

Abstract

The invention discloses the methods, devices and systems to communicate in a kind of WLAN, this method includes：Obtain the association identification that access point AP is website distribution；The correspondence between the address information of the website and the association identification is established, to provide trunking communication services as the website and the AP according to the correspondence.The method to communicate in the WLAN of the embodiment of the present invention, by trunking trunking communication services are provided between website and access point AP, and AP distributes association identification unitedly for website, association identification is distributed so as to avoid the website that each trunking is respectively its management, and can ensure the association identification of the website in the Basic Service Set of the AP will not clash, this subsequent communications process between AP and website is provided convenience, and improves communication efficiency.

Description

The methods, devices and systems to communicate in WLAN

Technical field

The present embodiments relate to the communications field, and more particularly, to the method to communicate in WLAN,Device and system.

Background technology

In Wireless LAN（Wireless Local Area Network, referred to as " WLAN "）In, access point coveringRegion be known as Basic Service Set (Basic Service Set, referred to as " BSS "), multiple websites in BSS（Station,Referred to as " STA "）It is associated with corresponding AP, and multiple STA in BSS work in same Wireless Fidelity with corresponding AP（Wireless Fidelity, referred to as " WiFi "）Channel.In order to make the STA in WLAN, data biography can need not carried outEnter dormant state when defeated（doze）To save electricity, and can be when AP has data to need to be sent to STA, STA is atRevival（awake）State is to receive the data of AP transmissions, a kind of power saving transmission mechanism defined in 802.11 standards：Data indicateTable（Traffic Indication Map, referred to as " TIM "）Mechanism.

In TIM mechanism, AP periodically sends beacon to STA（Beacon）Message, the beacon message carry TIM lettersBreath, TIM information include the association identification with one group of STA respectively（Association Identifier, referred to as " AID "）RelativelyThe one group of binary system indicating bit answered.Work in power saving（Power Save, referred to as " PS "）STA under pattern sends beacon in APThe time point of message is in wake states and receives the beacon message of AP transmissions.When the downlink data needs that AP has caching are sent toDuring STA, the corresponding binary digits of AID with the STA in the TIM information carried in beacon message are set to " 1 " by AP, the STAIt was found that corresponding to the binary digit of oneself in TIM information as " 1 ", then just sent in wake states and using competition mechanism to APPower saving is campaigned for（PS-Poll）Message, triggering AP to oneself send caching data, otherwise STA after beacon message is received justInto dormant state.After AP receives PS-Poll message, by the data sending of the STA of caching to the STA.

At present, Institute of Electrical and Electronics Engineers（Institute of Electrical and ElectronicEngineers, referred to as " IEEE "）802.11ah working groups in normal structure are directed to the application scenarios demand of sensing network,The coverage of AP is extended to 1000 meters from 100 meters or so, and proposes to support relaying in the overlay area of an AP（Relay）Function, however, when adding the trunking for providing trunking traffic function in wireless lan communication system, inIt is further, not clear in adding at present after that how equipment for AP and website provides trunking communication services is not clearAfter how realizing TIM mechanism in the Wireless LAN of equipment.

The content of the invention

An embodiment of the present invention provides the methods, devices and systems to communicate in a kind of WLAN, can pass throughTrunking preferably provides trunking communication services between website and access point AP.

In a first aspect, a kind of method to communicate in WLAN is provided, including：It is website to obtain access point APThe association identification of distribution；The correspondence between the address information of the website and the association identification is established, to be closed according to the correspondenceIt is to provide trunking communication services for the website and the AP.

With reference to first aspect, in the first possible implementation, in the pass that acquisition access point AP is website distributionBefore connection mark, this method further includes：The solicited message of website transmission is received, which is the station for asking the APPoint distribution association identification；The solicited message is sent to the AP, so that the AP is marked according to the solicited message for website distribution associationKnow；The response message of AP transmissions is received, which includes the association identification that the AP is website distribution；It is sent out to the websiteGive the response message.

The possible realization method of with reference to first aspect the first, in second of possible realization method, acquisition APFor website distribution association identification, including：The association identification of AP distribution is obtained from the response message.

The possible realization method of with reference to first aspect or with reference to first aspect the first, in the third possible realization sideIn formula, acquisition AP is the association identification of website distribution, including：Receive the association identification of the AP distribution of website transmission.

The possible realization method of with reference to first aspect or with reference to first aspect the first, the 4th kind of possible realization sideIn formula, acquisition AP is the association identification of website distribution, including：Receive the association identification of the AP distribution of AP transmissions.

With reference to first aspect the first to any one of the 4th kind of possible realization method possible realization method,In 5th kind of possible realization method, this method further includes：The first broadcast message of AP transmissions is received, first broadcast messageIt is worth in the data dial gauge TIM information of middle carrying with the corresponding binary digit of the association identification for first；It is first wide according to thisMessage is broadcast, determines that there are the downlink datas of the website in the AP.

The 5th kind of possible realization method with reference to first aspect, in the 6th kind of possible realization method, this method is alsoIncluding：Receive the downlink data of the website of AP transmissions；Cache the downlink data of the website；It sends and carries the of TIM informationTwo broadcast messages in the TIM information that carries with the corresponding binary digit of the association identification are first in second broadcast messageValue, to indicate that there are the downlink datas of the website in trunking.

The 6th kind of possible realization method with reference to first aspect, in the 7th kind of possible realization method, receives the stationPoint triggers message according to the data transmission of the second broadcast message transmission, and second data transmission triggering message is used to ask in thisThe downlink data of the website is sent after equipment；Triggering message is transmitted according to the data, the lower line number of the website is sent to the websiteAccording to.

The 5th kind with reference to first aspect to any one of the 7th kind of possible realization method possible realization method,In 8th kind of possible realization method, this method further includes：When the downlink data of the website is not present in trunking, sendCarry TIM information the 3rd broadcasts the message, corresponding with the association identification in the TIM information carried in the 3rd broadcast messageBinary digit is second value.

Second aspect provides the method to communicate in another WLAN, including：By trunking toThe associated AP of the trunking sends solicited message, which is that website distributes association identification for asking the AP；It receivesThe response message that the AP is sent by the trunking, the response message include the association identification that the AP is website distribution.

With reference to second aspect, in the first possible implementation, this method further includes：Being sent to the trunking shouldThe association identification of AP distribution establishes the corresponding pass between the address information of the website and the association identification so as to the trunkingIt is and provides trunking communication services between the website and the AP according to the correspondence.

With reference to the first possible realization method of second aspect or combination second aspect, second of possible realization sideIn formula, this method further includes：Receive the broadcast message of the data dial gauge TIM information of the carrying of trunking transmission, the TIMIt is worth in information with the corresponding binary digit of the association identification for first；According to the broadcast message, number is sent to the trunkingMessage is triggered according to transmission, data transmission triggering message is used for the website that the trunking is asked to send trunking cachingDownlink data；Receive the downlink data that the trunking transmits the website that triggering message is sent according to the data.

The third aspect provides the method to communicate in another WLAN, including：Receiving station passes through relayingThe solicited message that equipment is sent, the solicited message are that the website distributes association identification for asking access point AP；According to the requestInformation distributes association identification for the website；Response message is sent to the website by the trunking, which includes shouldAssociation identification.

With reference to the third aspect, in the first possible implementation, this method further includes：Being sent to the trunking shouldThe association identification of AP distribution establishes the corresponding pass between the address information of the website and the association identification so as to the trunkingIt is and provides trunking communication services between the website and the AP according to the correspondence.

With reference to the first possible realization method of the third aspect or the combination third aspect, second of possible realization sideIn formula, this method further includes：When there are during the downlink data of the website, send carrying data dial gauge TIM information in the APIt broadcasts the message, is worth in the TIM information with the corresponding binary digit of the association identification for first；The trunking is received according to thisThe data transmission triggering message that broadcast message is sent, data transmission triggering message are used for the downlink that the AP is asked to send the websiteData；Triggering message is transmitted according to the data, the downlink data of the website is sent to the trunking.

Fourth aspect provides the trunking in a kind of WLAN, including：Acquisition module accesses for obtainingPoint AP is the association identification of website distribution；Module is established, for establishing the address information of the website and acquisition module acquisitionCorrespondence between the association identification, to provide trunking communication services as the website and the AP according to the correspondence.

With reference to fourth aspect, in the first possible implementation, which further includes：First receiving module,For before the acquisition module obtains association identifications of the AP for website distribution, receiving the solicited message of website transmission, being somebody's turn to do pleaseInformation is sought for the AP to be asked to distribute association identification for the website；First sending module, for sending first reception to the APSolicited message that module receives, so that the AP distributes association identification according to the solicited message for the website；The first reception mouldBlock is additionally operable to receive the response message of AP transmissions, which includes the AP should ask according to what first sending module was sentSeek the association identification that information is website distribution；First sending module, which is additionally operable to send first receiving module to the website, to be connectThe response message received.

With reference to the first possible realization method of fourth aspect, in second of possible realization method, the acquisition mouldBlock is specifically used for the association identification that AP distribution is obtained from the response message.

With reference to the first possible realization method of fourth aspect or combination fourth aspect, in the third possible realization sideIn formula, which includes：Receiving unit, for receiving the association identification of the AP distribution of website transmission.

With reference to the first possible realization method of fourth aspect or combination fourth aspect, the 4th kind of possible realization sideIn formula, which includes：Receiving unit, for receiving the association identification of the AP distribution of AP transmissions.

With reference to fourth aspect the first to any one of the 4th kind of possible realization method possible realization method,In 5th kind of possible realization method, which further includes：Second receiving module, it is wide for receiving the first of AP transmissionsMessage is broadcast, in the TIM information that carries with the corresponding binary digit of the association identification is the first value in first broadcast message；ReallyCover half block for first broadcast message received according to second receiving module, determines that there are the downlinks of the website in the APData.

With reference to the 5th kind of possible realization method of fourth aspect, in the 6th kind of possible realization method, this second connectsReceive the downlink data that module is additionally operable to receive the website of AP transmissions；The trunking further includes：Cache module, for cachingThe downlink data for the website that second receiving module receives；Second sending module, it is wide for sending the second of carrying TIM informationMessage is broadcast, in the TIM information that carries with the corresponding binary digit of the association identification is the first value in second broadcast message, withIndicate that there are the downlink datas of the website in trunking.

With reference to the 6th kind of possible realization method of fourth aspect, in the 7th kind of possible realization method, this second connectsModule is received to be additionally operable to receive the data transmission triggering message that the website is sent according to second broadcast message, data transmission triggeringMessage is used for the downlink data that the trunking is asked to send the website；Second sending module is additionally operable to according to second receptionThe data transmission triggering message that module receives sends the downlink data of the website to the website.

Any one of the 5th kind to the 7th kind possible realization method with reference to fourth aspect possible realization method,In 8th kind of possible realization method, which is additionally operable to when the lower line number that the website is not present in the trunkingAccording to when, send the 3rd broadcast message for carrying TIM information, mark associated with this in the TIM information that carries in the 3rd broadcast messageSensible corresponding binary digit is second value.

5th aspect, provides a kind of website, including：Sending module, for pass through trunking to the trunkingAssociated AP sends solicited message, which is that website distributes association identification for asking the AP；Receiving module, for connecingThe response message that the AP is sent by the trunking is received, which includes the AP should ask according to what the sending module was sentSeek the association identification that information is website distribution.

With reference to the 5th aspect, in the first possible implementation, which is additionally operable to send out to the trunkingAssociation identification that the AP is given to distribute, so that the trunking establishes pair between the address information of the website and the association identificationIt should be related to and provide trunking communication services between the website and the AP according to the correspondence.

With reference to the first possible realization method of the 5th aspect of the 5th aspect or combination, second of possible realization sideIn formula, which is additionally operable to receive the broadcast message of the data dial gauge TIM information of the carrying of trunking transmission, shouldIt is worth in TIM information with the corresponding binary digit of the association identification for first；The sending module is additionally operable to according to the receiving moduleThe broadcast message received sends data transmission triggering message to the trunking, which transmits triggering message for askingThe trunking sends the downlink data of the website of trunking caching；The receiving module is additionally operable to receive the trunkingThe downlink data for the website that the data transmission triggering message sent according to the sending module is sent.

6th aspect, provides a kind of wireless access point AP, including：Receiving module is set for receiving station by relayingThe solicited message that preparation is sent, the solicited message are that the website distributes association identification for asking access point AP；Distribution module is used forAccording to the solicited message that the receiving module receives, association identification is distributed for the website；Sending module sets for passing through the relayingStandby to send response message to the website, which includes the association identification of distribution module distribution.

With reference to the 6th aspect, in the first possible implementation, which is additionally operable to send out to the trunkingThe association identification that the distribution module is given to distribute, so as to the trunking establish the address information of the website and the association identification itBetween correspondence and provide trunking communication services between the website and the AP according to the correspondence.

With reference to the first possible realization method of the 6th aspect of the 6th aspect or combination, second of possible realization sideIn formula, which is additionally operable to when there are during the downlink data of the website, send carrying data dial gauge TIM information in the APBroadcast message, with the corresponding binary digit of the association identification be the first value in the TIM information；The receiving module is additionally operable to connectThe data transmission triggering message that the broadcast message that the trunking is sent according to the sending module is sent is received, data transmission is touchedHair message is used for the downlink data that the AP is asked to send the website；The sending module is additionally operable to be somebody's turn to do according to what the receiving module receivedData transmission triggering message sends the downlink data of the website to the trunking.

7th aspect, provides a kind of wireless local area network (WLAN) system, including：The first of fourth aspect or fourth aspect are toAny one of eight kinds of possible trunkings trunking, in terms of the 5th side or the 5th aspect the first or second mayAny one of website website, in the first or second of possible wireless access point AP of the 6th aspect or the 6th aspectAny AP.

Therefore, the method to communicate in WLAN according to embodiments of the present invention, by trunking in websiteTrunking communication services are provided between access point AP, and AP distributes association identification unitedly for website, so as to avoid each relayingEquipment is respectively the website distribution association identification of its management, and can ensure the association of the website in the Basic Service Set of the APMark will not clash, this subsequent communications process between AP and website is provided convenience, and improves communication efficiency.

Description of the drawings

It in order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to the embodiment of the present invention or the prior artAttached drawing is briefly described needed in description, it should be apparent that, drawings described below is only the present invention'sSome embodiments, for those of ordinary skill in the art, without creative efforts, can also be according to thisA little attached drawings obtain other attached drawings.

Fig. 1 is the schematic flow chart of the method to communicate in WLAN according to embodiments of the present invention.

Fig. 2 is another schematic flow chart of the method to communicate in WLAN according to embodiments of the present invention.

Fig. 3 is another schematic flow chart of the method to communicate in WLAN according to embodiments of the present invention.

Fig. 4 is another schematic flow chart of the method to communicate in WLAN according to embodiments of the present invention.

Fig. 5 is another schematic flow chart of the method to communicate in WLAN according to embodiments of the present invention.

Fig. 6 is the schematic flow chart of the method to communicate in WLAN according to another embodiment of the present invention.

Fig. 7 is the schematic flow chart of the method to communicate in WLAN according to yet another embodiment of the invention.

Fig. 8 is the schematic block diagram of the trunking in WLAN according to embodiments of the present invention.

Fig. 9 is another schematic block diagram of the trunking in WLAN according to embodiments of the present invention.

Figure 10 is another schematic block diagram of the trunking in WLAN according to embodiments of the present invention.

Figure 11 is the schematic block diagram of website according to embodiments of the present invention.

Figure 12 is the schematic block diagram of wireless access point AP according to embodiments of the present invention.

Figure 13 is the schematic block diagram of WLAN wlan system according to embodiments of the present invention.

Figure 14 is the schematic block diagram of the trunking in WLAN according to another embodiment of the present invention.

Figure 15 is the schematic block diagram of website according to another embodiment of the present invention.

Figure 16 is the schematic block diagram of wireless access point AP according to another embodiment of the present invention.

Figure 17 is the schematic block diagram of WLAN wlan system according to another embodiment of the present invention.

Specific embodiment

Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, completeSite preparation describes, it is clear that described embodiment is the part of the embodiment rather than whole embodiments of the present invention.Based on this hairEmbodiment in bright, the every other reality that those of ordinary skill in the art are obtained on the premise of creative work is not madeExample is applied, should all belong to the scope of protection of the invention.

It is to be understood that the technical solution of the embodiment of the present invention is said by taking the WLAN communication systems using WiFi technology as an exampleIt is bright, but the technical solution of the embodiment of the present invention can be applied to various communication systems, such as：Global system for mobile telecommunications（GlobalSystem of Mobile communication, referred to as " GSM "）System, CDMA（Code DivisionMultiple Access, referred to as " CDMA "）System, wideband code division multiple access（Wideband Code DivisionMultiple Access, referred to as " WCDMA "）System, General Packet Radio Service（General Packet RadioService, referred to as " GPRS "）, Long Term Evolution（Long Term Evolution, referred to as " LTE "）System, LTE frequency divisions are doubleWork（Frequency Division Duplex, referred to as " FDD "）System, LTE time division duplexs（Time DivisionDuplex, referred to as " TDD "）, Universal Mobile Communication System（Universal Mobile TelecommunicationSystem, referred to as " UMTS "）, global interconnection inserting of microwave（Worldwide Interoperability forMicrowave Access, referred to as " WiMAX "）Communication system etc.,

It should also be understood that in embodiments of the present invention, website can be the various user equipmenies for supporting WIFI communication protocols（User Equipment, referred to as " UE "）, terminal（Terminal）, mobile station（Mobile Station, referred to as " MS "）、Mobile terminal（Mobile Terminal）Deng the website can be through wireless access network（Radio Access Network, referred to asFor " RAN "）It communicates with one or more core nets, for example, website can be mobile phone（Or it is " honeycomb " phone）、Computer with mobile terminal etc., for example, website can also be portable, pocket, hand-held, built-in computer orVehicle-mounted mobile device, they exchange voice and/or data with wireless access network.

It should also be understood that in embodiments of the present invention, AP can provide access service for website, AP can be connecing in WiFiBase station in access point or GSM or CDMA（Base Transceiver Station, referred to as " BTS "）, can also beBase station in WCDMA（NodeB）, can also be the evolved base station in LTE（Evolved Node B, referred to as " eNB " or“e-NodeB”）.The present invention is to this and is not construed as limiting.

Fig. 1 shows the schematic flow of the method 100 to communicate in WLAN according to embodiments of the present inventionFigure, method 100 can be performed by trunking, as shown in Figure 1, this method 100 includes：

S110 obtains the association identification that access point AP is website distribution；

S120 establishes the correspondence between the address information of the website and the association identification, with according to the correspondenceTrunking communication services are provided for the website and the AP.

Therefore, the method to communicate in WLAN according to embodiments of the present invention, by trunking in websiteTrunking communication services are provided between access point AP, and AP distributes association identification unitedly for website, so as to avoid each relayingEquipment is respectively the website distribution association identification of its management, and can ensure the association of the website in the Basic Service Set of the APMark will not clash, this subsequent communications process between AP and website is provided convenience, and improves communication efficiency.

In embodiments of the present invention, which can establish associated AP with the trunking, which can connectHave received the website of the broadcast message of the trunking periodicity sending.The AP distributes association identification for website, and the relaying is setIt is standby to obtain the association identification, and the corresponding relation between the association identification and the address information of the website is established, for example, mediaAccess control（Media Access Control, referred to as " MAC "）Address information, as the AP and to be somebody's turn to do according to the correspondenceWebsite provides trunking communication services.

Optionally, trunking can be associated with AP foundation first, and periodically send broadcast message, the broadcast messageThe middle information for carrying the trunking and the AP, for example, address information and identification information etc., website receives the trunkingAfter the broadcast message of transmission, can solicited message be sent to AP by the trunking, which should for AP to be asked to beWebsite distributes association identification, and optionally, which can carry in the association request message sent in the website, the associationRequest message can carry address or identification information, the address of the trunking or the address of identification information and the AP of the websiteOr identification information, wherein, the address of the website or identification information can be as the source address information of the association request message, the relayingsThe address of equipment or identification information, which can be used as, receives address information, and the address of the AP or identification information can be used as destination address to believeBreath.It, can be according to the destination address in the association request message after the association request message that trunking receiving station STA is sentThe solicited message carried in the association request message is sent to AP by information.Optionally, which can not alsoAddress or the identification information of the AP are carried, and presets the trunking and is sent to the solicited message and built with the trunkingAssociated AP is found, but the embodiment of the present invention is without being limited thereto.

Optionally, which can be also used for request AP and provides certain types of business service for website, which connectsAfter receiving the solicited message, determine that oneself can provide such business service for it, it is possible to receive asking for the websiteIt asks, and association identification is distributed for the website, and include the response letter of the association identification to website transmission by trunkingBreath, wherein, optionally, which can carry the response message and be sent in associate response message.Wherein, which disappearsCan be carried in breath the trunking address or identification information as receive address information and carry the website address orIdentification information is as target address information.The trunking can should according to the target address information in the association request messageResponse message is sent to the website, and optionally, which can also carry the address information of the AP as source addressInformation, but the embodiment of the present invention is without being limited thereto.

In embodiments of the present invention, an AP can be established at least one trunking associates, which can alsoIt is associated with the foundation of at least one website, and a trunking can provide trunking communication services, but this at least one websiteInventive embodiments are without being limited thereto.

Optionally, as shown in Fig. 2, before S110, this method 100 further includes：

S130, receives the solicited message of website transmission, which associates for the AP to be asked to be distributed for the websiteMark；

S135 sends the solicited message to the AP, so that the AP distributes association identification according to the solicited message for the website；

S140, receives the response message of AP transmissions, which includes the association identification that the AP is website distribution；

S145 sends the response message to the website.

The trunking can obtain the association identification in several ways, and optionally, which can pass through solutionThe response message is analysed, the association identification is obtained from the response message；The trunking can also receive the website or AP is sentAssociation identification, but the embodiment of the present invention is without being limited thereto.

Optionally, S110 obtains the association identification that the AP is website distribution, including：

S111 obtains the association identification of AP distribution from the response message.

Optionally, as another embodiment, S110 obtains the association identification that the AP is website distribution, including：

S112 receives the association identification of the AP distribution of website transmission.

Optionally, as another embodiment, S110 obtains the association identification that the AP is website distribution, including：

S113 receives the association identification of the AP distribution of AP transmissions.

Optionally, as another embodiment, when establishing associated website with AP and being in the battery saving mode of TIM mechanism,The AP periodically sends the first broadcast message using the period 1 as interval, for example, beacon message, in first broadcast messageTIM information is carried to indicate whether the AP has cached the downlink data of each website of its service.Correspondingly, the trunking is with thisThe arbitrary integer time of period 1 is interval, periodically receives the first broadcast message of AP transmissions.When the AP has cached certainDuring the downlink data of one website, which can will associate mark in the TIM information that first broadcast message carries with the websiteKnow corresponding binary digit and be arranged to the first value, to indicate to have cached the downlink data of the website in the AP, and to the APIt establishes associated all trunkings and broadcasts first broadcast message, wherein, which can be 1 or 0.When the relaying is setAfter first broadcast message is received, binary digit corresponding with the association identification of the website is found as first value, then reallyThe fixed AP has cached the downlink data of the website of the trunking service.Correspondingly, as shown in figure 3, this method 100 is also wrappedIt includes：

S150 receives the first broadcast message of AP transmissions, the data dial gauge TIM letters carried in first broadcast messageIt is worth in breath with the corresponding binary digit of the association identification for first；

S155 according to first broadcast message, determines that there are the downlink datas of the website in the AP.

The trunking can send the first data transmission triggering message to the AP, for example, PS-Poll message, request shouldAP sends the downlink data of the website to the trunking.The first number that the AP can be sent according to the trunking receivedMessage is triggered according to transmission, the downlink data of the website is sent to the trunking, which receives the lower line number of the websiteIt is cached according to and by the downlink data.Disappear in addition, the trunking using second round as interval, periodically sends the second broadcastBreath；Correspondingly, the website of the trunking service is periodically received in this using the arbitrary integer time of the second round as intervalAfter the second broadcast message that equipment is sent.Wherein, which can be more than the period 1, so that the trunking takesThe website of business can be with the dormancy longer time, while the downlink data of website will not excessively occupy the memory space of AP again.The relayingIt will be set in the TIM information that equipment can be carried in the second broadcast message with the corresponding binary digit of the association identification of a certain websiteThe first value is set to, to indicate that there are the downlink datas of the website in the trunking；And it can be carried in the second broadcast messageTIM information in will be arranged to second value with the corresponding binary digit of the association identification of a certain website, to indicate that the relaying is setThe downlink data of the website is not present in standby.Wherein, which can be 0, which is 1；Or first value is 1, it shouldSecond value is 0, but the embodiment of the present invention is without being limited thereto.

Optionally, as shown in figure 4, this method 100 further includes：

S160 receives the downlink data of the website of AP transmissions；

S165 caches the downlink data of the website；

S170 sends the second broadcast message for carrying TIM information, in second broadcast message in the TIM information that carries withThe corresponding binary digit of the association identification is the first value, to indicate that there are the downlink datas of the website in trunking.

After the website receives second broadcast message, it is found that the trunking has cached the downlink data of the website,The website can send the second data transmission triggering message to the trunking, for example, PS-Poll message, to ask the relayingEquipment sends the downlink data to the website.The trunking receives second data transmission triggering message, can be to the stationPoint sends the downlink data.Correspondingly, as shown in figure 5, this method 100 further includes：

S175, receives the data transmission triggering message that the website is sent according to second broadcast message, which passesTriggering message is sent to be used for the downlink data that the trunking is asked to send the website；

S180 transmits triggering message according to the data, the downlink data of the website is sent to the website.

Optionally, as another embodiment, this method 100 further includes：

S185, when the downlink data of the website is not present in trunking, the 3rd broadcast for sending carrying TIM information disappearsBreath in the TIM information that carries with the corresponding binary digit of the association identification is second value in the 3rd broadcast message.

Therefore, the method to communicate in WLAN according to embodiments of the present invention, by trunking in websiteTrunking communication services are provided between access point AP, and AP distributes association identification unitedly for website, so as to avoid each relayingEquipment is respectively the website distribution association identification of its management, and can ensure the association of the website in the Basic Service Set of the APMark will not clash, this subsequent communications process between AP and website is provided convenience, and improves communication efficiency.Into oneStep ground, in TIM mechanism, the trunking and AP can indicate whether the lower line number of the website according to the association identificationAccording to, and the trunking can receive and cache the downlink data of the website of AP transmissions, so that website can be with dormancy moreFor a long time, the power consumption of website is further saved.

Above in conjunction with Fig. 1 to Fig. 5, wireless office according to embodiments of the present invention is described in detail from the angle of trunkingThe method to communicate in the net of domain, below in conjunction with Fig. 6 and Fig. 7, root is described in detail in slave site and the angle of access point AP respectivelyAccording to the method to communicate in the WLAN of the embodiment of the present invention.

Fig. 6 shows the schematic of the method 200 that communicates in WLAN according to another embodiment of the present inventionFlow chart, this method can be performed by website, as shown in figure 5, this method 200 includes：

S210 sends solicited message by trunking to AP associated with the trunking, which is used for pleaseThe AP is asked to distribute association identification for website；

S220 receives the response message that the AP is sent by the trunking, and it is the website which, which includes the AP,The association identification of distribution.

Therefore, the method to communicate in WLAN according to embodiments of the present invention, by trunking in websiteTrunking communication services are provided between access point AP, and AP distributes association identification unitedly for website, so as to avoid each relayingEquipment is respectively the website distribution association identification of its management, and can ensure the association of the website in the Basic Service Set of the APMark will not clash, this subsequent communications process between AP and website is provided convenience, and improves communication efficiency.

Optionally, which can also be sent to the trunking by the association identification obtained from the response message, shouldMethod 200 further includes：

S230 sends the association identification of AP distribution to the trunking, so that the trunking establishes the websiteCorrespondence between address information and the association identification simultaneously provides relaying according to the correspondence between the website and the APCommunication service.

Optionally, as another embodiment, this method 200 further includes：

S240 receives the broadcast message of the data dial gauge TIM information of the carrying of trunking transmission, the TIM informationIn with the corresponding binary digit of the association identification for first value；

S250 according to the broadcast message, sends data transmission triggering message, data transmission triggering disappears to the trunkingCease the downlink data of the website that the trunking is asked to send trunking caching；

S260 receives the downlink data that the trunking transmits the website that triggering message is sent according to the data.

Therefore, the method to communicate in WLAN according to embodiments of the present invention, by trunking in websiteTrunking communication services are provided between access point AP, and AP distributes association identification unitedly for website, so as to avoid each relayingEquipment is respectively the website distribution association identification of its management, and can ensure the association of the website in the Basic Service Set of the APMark will not clash, this subsequent communications process between AP and website is provided convenience, and improves communication efficiency.Into oneStep ground, in TIM mechanism, the trunking and AP can indicate whether the lower line number of the website according to the association identificationAccording to, and the trunking can receive and cache the downlink data of the website of AP transmissions, so that website can be with dormancy moreFor a long time, the power consumption of website is further saved.

Fig. 7 shows the schematic of the method 300 that communicates in WLAN according to yet another embodiment of the inventionFlow chart, this method can be performed by access point AP, as shown in fig. 7, this method 300 includes：

S310, the solicited message that receiving station is sent by trunking, the solicited message are for asking access point APThe website distributes association identification；

According to the solicited message, association identification is distributed for the website by S320；

S330 sends response message by the trunking to the website, which includes the association identification.

Therefore, the method to communicate in WLAN according to embodiments of the present invention, by trunking in websiteTrunking communication services are provided between access point AP, and AP distributes association identification unitedly for website, so as to avoid each relayingEquipment is respectively the website distribution association identification of its management, and can ensure the association of the website in the Basic Service Set of the APMark will not clash, this subsequent communications process between AP and website is provided convenience, and improves communication efficiency.

Optionally, as another embodiment, this method 300 further includes：

S340 sends the association identification of AP distribution to the trunking, so that the trunking establishes the websiteCorrespondence between address information and the association identification simultaneously provides relaying according to the correspondence between the website and the APCommunication service.

Optionally, as another embodiment, this method 300 further includes：

S350 to disappear when there are the broadcast for during downlink data of the website, sending carrying data dial gauge TIM information in the APIt ceases, is worth in the TIM information with the corresponding binary digit of the association identification for first；

S360, receives the data transmission triggering message that the trunking is sent according to the broadcast message, and data transmission is touchedHair message is used for the downlink data that the AP is asked to send the website；

S370 transmits triggering message according to the data, the downlink data of the website is sent to the trunking.

Therefore, the method to communicate in WLAN according to embodiments of the present invention, by trunking in websiteTrunking communication services are provided between access point AP, and AP distributes association identification unitedly for website, so as to avoid each relayingEquipment is respectively the website distribution association identification of its management, and can ensure the association of the website in the Basic Service Set of the APMark will not clash, this subsequent communications process between AP and website is provided convenience, and improves communication efficiency.Into oneStep ground, in TIM mechanism, the trunking and AP can indicate whether the lower line number of the website according to the association identificationAccording to, and the trunking can receive and cache the downlink data of the website of AP transmissions, so that website can be with dormancy moreFor a long time, the power consumption of website is further saved.

It is to be understood that the size of the sequence number of above-mentioned each process is not meant to the priority of execution sequence, the execution of each process is suitableSequence should determine that the implementation process without tackling the embodiment of the present invention forms any restriction with its function and internal logic.

Above in conjunction with Fig. 1 to Fig. 7, it is described in detail what is communicated in WLAN according to embodiments of the present inventionMethod, below in conjunction with Fig. 8 to Figure 17, describe trunking in WLAN according to embodiments of the present invention, website andWireless access point.

Fig. 8 shows the schematic block diagram of the trunking 400 in WLAN according to embodiments of the present invention, such as schemesShown in 8, which includes：

Acquisition module 410, for obtaining the association identification that access point AP is website distribution；

Establish module 420, for establish the association identification that the address information of the website and the acquisition module 410 obtain itBetween correspondence, to provide trunking communication services as the website and the AP according to the correspondence.

Therefore, the method to communicate in WLAN according to embodiments of the present invention, by trunking in websiteTrunking communication services are provided between access point AP, and AP distributes association identification unitedly for website, so as to avoid each relayingEquipment is respectively the website distribution association identification of its management, and can ensure the association of the website in the Basic Service Set of the APMark will not clash, this subsequent communications process between AP and website is provided convenience, and improves communication efficiency.

Optionally, as another embodiment, as shown in figure 9, the trunking 400 further includes：

First receiving module 430, for before the acquisition module 410 obtains association identifications of the AP for website distribution, connecingThe solicited message of website transmission is received, which is that the website distributes association identification for asking the AP；

First sending module 440, for sending the solicited message of first receiving module 430 reception to the AP, so as toThe AP distributes association identification according to the solicited message for the website；

First receiving module 430 is additionally operable to receive the response message of AP transmissions, the response message include the AP according toThe solicited message that first sending module 440 is sent is the association identification of website distribution；

First sending module 440 is additionally operable to send the response message of first receiving module 430 reception to the website.

Optionally, which is specifically used for the association identification that AP distribution is obtained from the response message.

Optionally, as another embodiment, which includes：

Receiving unit 411, for receiving the association identification of the AP distribution of website transmission.

Optionally, as another embodiment, which includes：

Receiving unit 411, for receiving the association identification of the AP distribution of AP transmissions.

Optionally, as another embodiment, as shown in Figure 10, which further includes：

Second receiving module 450 for receiving the first broadcast message of AP transmissions, carries in first broadcast messageIt is worth in TIM information with the corresponding binary digit of the association identification for first；

Determining module 460 for first broadcast message received according to second receiving module 450, is determined in the APThere are the downlink datas of the website.

Optionally, as another embodiment, which is additionally operable to receive under the website that the AP is sentRow data；

Correspondingly, which further includes：

Cache module 470, for caching the downlink data of the website of second receiving module 450 reception；

Second sending module 480 for sending the second broadcast message for carrying TIM information, is taken in second broadcast messageIt is worth in the TIM information of band with the corresponding binary digit of the association identification for first, to indicate that there are the websites in trunkingDownlink data.

Optionally, as another embodiment, which is additionally operable to receive the website according to second broadcastThe data transmission triggering message that message is sent, data transmission trigger message for the trunking to be asked to send under the websiteRow data；

Second sending module 480 is additionally operable to the data transmission triggering message received according to second receiving module 450,The downlink data of the website is sent to the website.

Optionally, as another embodiment, which is additionally operable to when there is no the stations in the trunkingDuring the downlink data of point, the 3rd of transmission carrying TIM information broadcasts the message, in the TIM information carried in the 3rd broadcast messageIt is second value with the corresponding binary digit of the association identification.

Trunking 400 according to embodiments of the present invention may correspond in WLAN according to embodiments of the present invention intoTrunking in the method for row communication, and above and other operation and/or function of the modules in trunking 400Respectively in order to realize the corresponding flow of each method in Fig. 1 to Fig. 5, for sake of simplicity, details are not described herein.

Therefore, the method to communicate in WLAN according to embodiments of the present invention, by trunking in websiteTrunking communication services are provided between access point AP, and AP distributes association identification unitedly for website, so as to avoid each relayingEquipment is respectively the website distribution association identification of its management, and can ensure the association of the website in the Basic Service Set of the APMark will not clash, this subsequent communications process between AP and website is provided convenience, and improves communication efficiency.Into oneStep ground, in TIM mechanism, the trunking and AP can indicate whether the lower line number of the website according to the association identificationAccording to, and the trunking can receive and cache the downlink data of the website of AP transmissions, so that website can be with dormancy moreFor a long time, the power consumption of website is further saved.

Figure 11 shows the schematic block diagram of website 500 according to embodiments of the present invention, which includes：

Sending module 510 sends solicited message, the request for passing through trunking to AP associated with the trunkingInformation is that website distributes association identification for asking the AP；

Receiving module 520, for receiving the response message that the AP is sent by the trunking, which includes shouldThe solicited message that AP is sent according to the sending module 510 is the association identification that the website distributes.

Therefore, the method to communicate in WLAN according to embodiments of the present invention, by trunking in websiteTrunking communication services are provided between access point AP, and AP distributes association identification unitedly for website, so as to avoid each relayingEquipment is respectively the website distribution association identification of its management, and can ensure the association of the website in the Basic Service Set of the APMark will not clash, this subsequent communications process between AP and website is provided convenience, and improves communication efficiency.

Optionally, as another embodiment, which is additionally operable to send being somebody's turn to do for AP distribution to the trunkingAssociation identification, so that the trunking establishes the correspondence between the address information of the website and the association identification and according to thisCorrespondence provides trunking communication services between the website and the AP.

Optionally, as another embodiment, which is additionally operable to receive the number of the carrying of trunking transmissionAccording to the broadcast message of dial gauge TIM information, it is worth in the TIM information with the corresponding binary digit of the association identification for first；

The sending module 510 is additionally operable to the broadcast message received according to the receiving module 520, is sent to the trunkingData transmission triggering message, data transmission triggering message are used for the station that the trunking is asked to send trunking cachingThe downlink data of point；

The receiving module 520, which is additionally operable to receive the data that the trunking is sent according to the sending module 510 and transmits, to be touchedSend out the downlink data for the website that message is sent.

Website 500 according to embodiments of the present invention may correspond in WLAN according to embodiments of the present invention be led toWebsite in the method for letter, and above and other operation and/or function of the modules in website 500 is respectively in order to realizeThe corresponding flow of each method in Fig. 6, for sake of simplicity, details are not described herein.

Therefore, the method to communicate in WLAN according to embodiments of the present invention, by trunking in websiteTrunking communication services are provided between access point AP, and AP distributes association identification unitedly for website, so as to avoid each relayingEquipment is respectively the website distribution association identification of its management, and can ensure the association of the website in the Basic Service Set of the APMark will not clash, this subsequent communications process between AP and website is provided convenience, and improves communication efficiency.Into oneStep ground, in TIM mechanism, the trunking and AP can indicate whether the lower line number of the website according to the association identificationAccording to, and the trunking can receive and cache the downlink data of the website of AP transmissions, so that website can be with dormancy moreFor a long time, the power consumption of website is further saved.

Figure 12 shows the schematic block diagram of wireless access point AP 600 according to embodiments of the present invention, which includes：

Receiving module 610, for the solicited message that receiving station is sent by trunking, which is used to askAccess point AP distributes association identification for the website；

For the solicited message received according to the receiving module 610, association mark is distributed for the website for distribution module 620Know；

Sending module 630 sends response message for passing through the trunking to the website, which includes this pointThe association identification distributed with module 620.

Therefore, the method to communicate in WLAN according to embodiments of the present invention, by trunking in websiteTrunking communication services are provided between access point AP, and AP distributes association identification unitedly for website, so as to avoid each relayingEquipment is respectively the website distribution association identification of its management, and can ensure the association of the website in the Basic Service Set of the APMark will not clash, this subsequent communications process between AP and website is provided convenience, and improves communication efficiency.

Optionally, as another embodiment, which is additionally operable to send the distribution module to the trunking620 distribution the association identifications, so as to the trunking establish it is corresponding between the address information of the website and the association identificationRelation simultaneously provides trunking communication services according to the correspondence between the website and the AP.

Optionally, as another embodiment, which is additionally operable to when the downlink data there are the website in the APWhen, send the broadcast message for carrying data dial gauge TIM information, in the TIM information with the corresponding binary system of the association identificationPosition is the first value；

The receiving module 610 is additionally operable to receive the broadcast message hair that the trunking is sent according to the sending module 630The data transmission triggering message sent, data transmission triggering message are used for the downlink data that the AP is asked to send the website；

The sending module 630 is additionally operable to the data transmission triggering message received according to the receiving module 610, to the relayingEquipment sends the downlink data of the website.

Wireless access point AP 600 according to embodiments of the present invention may correspond to WLAN according to embodiments of the present inventionThe middle user equipment to communicate, and above and other operation and/or function of the modules in wireless access point AP 600Respectively in order to realize the corresponding flow of each method in Fig. 7, for sake of simplicity, details are not described herein.

Therefore, the method to communicate in WLAN according to embodiments of the present invention, by trunking in websiteTrunking communication services are provided between access point AP, and AP distributes association identification unitedly for website, so as to avoid each relayingEquipment is respectively the website distribution association identification of its management, and can ensure the association of the website in the Basic Service Set of the APMark will not clash, this subsequent communications process between AP and website is provided convenience, and improves communication efficiency.Into oneStep ground, in TIM mechanism, the trunking and AP can indicate whether the lower line number of the website according to the association identificationAccording to, and the trunking can receive and cache the downlink data of the website of AP transmissions, so that website can be with dormancy moreFor a long time, the power consumption of website is further saved.

Figure 13 shows the schematic block diagram of WLAN wlan system 700 according to embodiments of the present invention, the WLANSystem 700 includes：Any trunking 710 as shown in Fig. 8 to Figure 10, website 720 as shown in figure 11 and such as Figure 12Shown wireless access point 730.

Therefore, the method to communicate in WLAN according to embodiments of the present invention, by trunking in websiteTrunking communication services are provided between access point AP, and AP distributes association identification unitedly for website, so as to avoid each relayingEquipment is respectively the website distribution association identification of its management, and can ensure the association of the website in the Basic Service Set of the APMark will not clash, this subsequent communications process between AP and website is provided convenience, and improves communication efficiency.

Figure 14 shows the schematic frame of the trunking 800 of WLAN WLAN according to another embodiment of the present inventionFigure, the trunking 800 include processor 810, memory 820 and bus system 830.Wherein, processor 810 and memory820 are connected by bus system 830, the memory 820 for storing instruction, the processor 810 by the bus system 830,Call the instruction stored in the memory 820.Specifically, it is website distribution which, which is used to obtain access point AP,Association identification；The correspondence between the address information of the website and the association identification of acquisition module acquisition is established, with rootAccording to the correspondence trunking communication services are provided for the website and the AP.Therefore, WLAN according to embodiments of the present inventionThe middle method to communicate provides trunking communication services by trunking between website and access point AP, and AP is websiteIt distributes association identification unitedly, association identification, and energy is distributed so as to avoid the website that each trunking is respectively its managementEnough ensureing the association identification of the website in the Basic Service Set of the AP will not clash, this is follow-up logical between AP and websiteLetter process is provided convenience, and improves communication efficiency.

It is to be understood that in embodiments of the present invention, which can be central processing unit（CentralProcessing Unit, referred to as " CPU "）, which can also be other general processors, digital signal processor（DSP）, application-specific integrated circuit（ASIC）, ready-made programmable gate array（FPGA）Or other programmable logic device, discrete gateOr transistor logic, discrete hardware components etc..General processor can be that microprocessor or the processor can alsoIt is any conventional processor etc..

The memory 820 can include read-only memory and random access memory, and to processor 810 provide instruction andData.The a part of of memory 820 can also include nonvolatile RAM.For example, memory 820 can also be depositedStore up the information of device type.

The bus system 830 can also include power bus, controlling bus and status signal in addition to including data/address busBus etc..But for the sake of clear explanation, various buses are all designated as bus system 830 in figure.

During realization, each step of the above method can pass through the integrated logic circuit of the hardware in processor 810Or the instruction of software form is completed.The step of method with reference to disclosed in the embodiment of the present invention, can be embodied directly at hardwareReason device performs completion or performs completion with the hardware in processor and software module combination.Software module can be located at randomMemory, flash memory, read-only memory, the abilities such as programmable read only memory or electrically erasable programmable memory, registerIn the storage medium of domain maturation.The storage medium is located at memory 820, and processor 810 reads the information in memory 820, knotClose the step of its hardware completes the above method.To avoid repeating, it is not detailed herein.

Optionally, as another embodiment, as shown in figure 14, which further includes：

Receiver 840, for before the processor 810 obtains association identifications of the AP for website distribution, receiving the websiteThe solicited message of transmission, the solicited message are that the website distributes association identification for asking the AP；

Transmitter 850, for sending the solicited message of the receiver 840 reception to the AP, so that the AP please according to thisInformation is asked to distribute association identification for the website；

The receiver 840 is additionally operable to receive the response message of AP transmissions, which includes the AP according to the transmissionThe solicited message that device 850 is sent is the association identification of website distribution；

The transmitter 850 is additionally operable to send the response message of the receiver 840 reception to the website.

Optionally, which is specifically used for the association identification that AP distribution is obtained from the response message.

Optionally, as another embodiment, which is additionally operable to receive the pass of the AP distribution of website transmissionConnection mark.

Optionally, as another embodiment, which is additionally operable to receive the association of the AP distribution of AP transmissionsMark.

Optionally, as another embodiment, which is additionally operable to receive the first broadcast message of AP transmissions, shouldIn the TIM information that carries with the corresponding binary digit of the association identification it is the first value in first broadcast message；

The processor 810 is additionally operable to first broadcast message received according to the receiver 840, determines to exist in the AP and be somebody's turn to doThe downlink data of website.

Optionally, as another embodiment, which is additionally operable to receive the lower line number of the website of AP transmissionsAccording to；

The downlink data that the processor 810 is additionally operable to the website for receiving the receiver 840 is cached to the memory820；

The transmitter 850 is additionally operable to send the second broadcast message for carrying TIM information, is carried in second broadcast messageIt is worth in TIM information with the corresponding binary digit of the association identification for first, to indicate that there are under the website in trunkingRow data.

Optionally, as another embodiment, which is additionally operable to receive the website according to the second broadcast message hairThe data transmission triggering message sent, data transmission triggering message are used for the lower line number that the trunking is asked to send the websiteAccording to；

The transmitter 850 is additionally operable to the data transmission triggering message received according to the receiver 840, is sent to the websiteThe downlink data of the website.

Optionally, as another embodiment, which is additionally operable to when there is no under the website in the trunkingDuring row data, send the 3rd broadcast message for carrying TIM information, in the 3rd broadcast message in the TIM information that carries with the passIt is second value that connection, which identifies corresponding binary digit,.

Trunking 800 according to embodiments of the present invention may correspond in WLAN according to embodiments of the present invention intoTrunking in the method for row communication, and above and other operation and/or function of the modules in trunking 800Respectively in order to realize the corresponding flow of each method in Fig. 1 to Fig. 5, for sake of simplicity, details are not described herein.

Therefore, trunking according to embodiments of the present invention is provided by trunking between website and access point APTrunking communication services, and AP distributes association identification unitedly for website, is respectively what it was managed so as to avoid each trunkingWebsite distributes association identification, and can ensure that the association identification of the website in the Basic Service Set of the AP will not clash,This subsequent communications process between AP and website is provided convenience, and improves communication efficiency.Further, in TIM mechanism,The trunking and AP can indicate whether the downlink data of the website according to the association identification, and the trunking can be withIt receives and caches the downlink data of the website of AP transmissions, so that website can further be saved with the dormancy longer timeThe power consumption of website.

Figure 15 shows the schematic frame of the website 900 in WLAN WLAN according to another embodiment of the present inventionFigure, the website 900 include processor 910, memory 920, bus system 930, transmitter 940 and receiver 950.Wherein, locateReason device 910, memory 920, transmitter 940 are connected with receiver 950 by bus system 930, which is used to storeInstruction, the processor 910 call the instruction stored in the memory 920 by the bus system 930.Specifically,

The transmitter 940 is used to send solicited message, the request to AP associated with the trunking by trunkingInformation is that website distributes association identification for asking the AP；

For the receiver 950 for receiving the response message that the AP is sent by the trunking, which includes shouldThe solicited message that AP is sent according to the transmitter 940 is the association identification that the website distributes.

Therefore, website according to embodiments of the present invention provides relaying by trunking between website and access point APCommunication service, and AP distributes association identification unitedly for website, the website for being respectively its management so as to avoid each trunkingAssociation identification is distributed, and can ensure that the association identification of the website in the Basic Service Set of the AP will not clash, this isSubsequent communications process between AP and website is provided convenience, and improves communication efficiency.

Optionally, as another embodiment, which is additionally operable to send the pass of AP distribution to the trunkingConnection mark, so that the trunking establishes the correspondence between the address information of the website and the association identification and right according to thisIt should be related to and provide trunking communication services between the website and the AP.

Optionally, as another embodiment, which is additionally operable to receive the data of the carrying of trunking transmissionThe broadcast message of dial gauge TIM information with the corresponding binary digit of the association identification is the first value in the TIM information；

The transmitter 940 is additionally operable to the broadcast message received according to the receiver 950, and data are sent to the trunkingTransmission triggering message, data transmission triggering message are used for the website that the trunking is asked to send trunking cachingDownlink data；

The receiver 950 is additionally operable to receive the data transmission that the trunking is sent according to the transmitter 940 and trigger to disappearCease the downlink data of the website sent.

Website 900 according to embodiments of the present invention may correspond in WLAN according to embodiments of the present invention be led toWebsite in the method for letter, and above and other operation and/or function of the modules in website 900 is respectively in order to realizeThe corresponding flow of each method in Fig. 6, for sake of simplicity, details are not described herein.

Therefore, trunking according to embodiments of the present invention is provided by trunking between website and access point APTrunking communication services, and AP distributes association identification unitedly for website, is respectively what it was managed so as to avoid each trunkingWebsite distributes association identification, and can ensure that the association identification of the website in the Basic Service Set of the AP will not clash,This subsequent communications process between AP and website is provided convenience, and improves communication efficiency.Further, in TIM mechanism,The trunking and AP can indicate whether the downlink data of the website according to the association identification, and the trunking can be withIt receives and caches the downlink data of the website of AP transmissions, so that website can further be saved with the dormancy longer timeThe power consumption of website.

Figure 16 shows the schematic block diagram of wireless access point AP 1000 according to another embodiment of the present invention, the AP1000Including processor 1010, memory 1020, bus system 1030, transmitter 1040 and receiver 1050.Wherein, processor1010th, memory 1020, transmitter 1040 and receiver 1050 are connected by bus system 1030, which is used to depositStorage instruction, the processor 1010 call the instruction stored in the memory 1020 by the bus system 1030.Specifically,

The receiver 1050 is used for the solicited message that receiving station is sent by trunking, which is used to askAccess point AP distributes association identification for the website；

The processor 1010 is used for the solicited message received according to the receiver 1050, and association mark is distributed for the websiteKnow；

The transmitter 1040 is used to send response message to the website by the trunking, which is included at thisManage the association identification that device 1010 distributes.

Therefore, wireless access point AP according to embodiments of the present invention, by trunking between website and access point APTrunking communication services are provided, and AP distributes association identification unitedly for website, is respectively its pipe so as to avoid each trunkingThe website distribution association identification of reason, and can ensure that the association identification of the website in the Basic Service Set of the AP will not rushProminent, this subsequent communications process between AP and website is provided convenience, and improves communication efficiency.

It is to be understood that in embodiments of the present invention, which can be central processing unit（CentralProcessing Unit, referred to as " CPU "）, which can also be other general processors, Digital Signal ProcessingDevice（DSP）, application-specific integrated circuit（ASIC）, ready-made programmable gate array（FPGA）It is or other programmable logic device, discreteDoor or transistor logic, discrete hardware components etc..General processor can be that microprocessor or the processor also may be usedTo be any conventional processor etc..

The memory 1020 can include read-only memory and random access memory, and provide instruction to processor 1010And data.The a part of of memory 1020 can also include nonvolatile RAM.For example, memory 1020 may be used alsoWith the information of storage device type.

The bus system 1030 can also include power bus, controlling bus and state letter in addition to including data/address busNumber bus etc..But for the sake of clear explanation, various buses are all designated as bus system 1030 in figure.

During realization, each step of the above method can pass through the integrated logic circuit of the hardware in processor 1010Or the instruction of software form is completed.The step of method with reference to disclosed in the embodiment of the present invention, can be embodied directly at hardwareReason device performs completion or performs completion with the hardware in processor and software module combination.Software module can be located at randomMemory, flash memory, read-only memory, the abilities such as programmable read only memory or electrically erasable programmable memory, registerIn the storage medium of domain maturation.The storage medium is located at memory 1020, and processor 1010 reads the information in memory 1020,The step of above method being completed with reference to its hardware.To avoid repeating, it is not detailed herein.

Optionally, as another embodiment, which is additionally operable to send the processor 1010 to the trunkingAssociation identification of distribution, so that the trunking establishes the correspondence between the address information of the website and the association identificationAnd trunking communication services are provided between the website and the AP according to the correspondence.

Optionally, as another embodiment, which is additionally operable to when the downlink data there are the website in the APWhen, send the broadcast message for carrying data dial gauge TIM information, in the TIM information with the corresponding binary system of the association identificationPosition is the first value；

The receiver 1050 is additionally operable to receive the broadcast message transmission that the trunking is sent according to the transmitter 1040Data transmission triggering message, data transmission triggering message is used to that the AP to be asked to send the downlink data of the website；

The transmitter 1040 is additionally operable to the data transmission triggering message received according to the receiver 1050, is set to the relayingPreparation gives the downlink data of the website.

Wireless access point AP 1000 according to embodiments of the present invention may correspond to wireless local according to embodiments of the present inventionThe user equipment to communicate in net, and above and other operation of the modules in wireless access point AP 1000 and/orFunction is respectively in order to realize the corresponding flow of each method in Fig. 7, for sake of simplicity, details are not described herein.

Therefore, wireless access point AP according to embodiments of the present invention, by trunking between website and access point APTrunking communication services are provided, and AP distributes association identification unitedly for website, is respectively its pipe so as to avoid each trunkingThe website distribution association identification of reason, and can ensure that the association identification of the website in the Basic Service Set of the AP will not rushProminent, this subsequent communications process between AP and website is provided convenience, and improves communication efficiency.Further, in TIM mechanismIn, the trunking and AP can indicate whether the downlink data of the website, and the trunking according to the association identificationIt can receive and cache the downlink data of the website of AP transmissions, so that website can further be saved with the dormancy longer timeThe power consumption of website is saved.

Figure 17 shows the WLAN wlan system 1100 of realization relay function according to another embodiment of the present inventionSchematic block diagram, which includes：Trunking 1110 as shown in figure 14, website 1120 as shown in figure 15With wireless access point AP 1130 as shown in figure 16.

Therefore, WLAN wlan system according to embodiments of the present invention, by trunking in website and access pointTrunking communication services are provided between AP, and AP distributes association identification unitedly for website, distinguishes so as to avoid each trunkingAssociation identification is distributed for the website of its management, and can ensure that the association identification of the website in the Basic Service Set of the AP will notIt clashes, this subsequent communications process between AP and website is provided convenience, and improves communication efficiency.

It is to be understood that in embodiments of the present invention, term "and/or" is only a kind of incidence relation for describing affiliated partner,Expression may have three kinds of relations.For example, A and/or B, can represent：Individualism A, exists simultaneously A and B, individualism B thisThree kinds of situations.In addition, character "/" herein, it is a kind of relation of "or" to typically represent forward-backward correlation object.

Those of ordinary skill in the art may realize that with reference to each method step described in the embodiments described hereinRapid and unit can realize with the combination of electronic hardware, computer software or the two, in order to clearly demonstrate hardware and softThe interchangeability of part, the step of generally describing each embodiment according to function in the above description and composition.TheseFunction is performed actually with hardware or software mode, specific application and design constraint depending on technical solution.AbilityDomain those of ordinary skill can realize described function to each specific application using distinct methods, but this realityNow it is not considered that beyond the scope of this invention.

It is apparent to those skilled in the art that for convenience of description and succinctly, foregoing description isThe specific work process of system, device and unit, may be referred to the corresponding process in preceding method embodiment, details are not described herein.

In several embodiments provided herein, it should be understood that disclosed systems, devices and methods, it can be withIt realizes by another way.For example, the apparatus embodiments described above are merely exemplary, for example, the unitDivision is only a kind of division of logic function, can there is other dividing mode, such as multiple units or component in actual implementationIt may be combined or can be integrated into another system or some features can be ignored or does not perform.In addition, shown or beg forThe mutual coupling, direct-coupling or communication connection of opinion can be the INDIRECT COUPLING by some interfaces, device or unitOr communication connection or electricity, the connection of mechanical or other forms.

The unit illustrated as separating component may or may not be physically separate, be shown as unitThe component shown may or may not be physical location, you can be located at a place or can also be distributed to multipleIn network element.Some or all of unit therein can be selected to realize the embodiment of the present invention according to the actual needsPurpose.

In addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit, it can alsoIt is that unit is individually physically present or two or more units integrate in a unit.It is above-mentioned integratedThe form that hardware had both may be employed in unit is realized, can also be realized in the form of SFU software functional unit.

If the integrated unit is realized in the form of SFU software functional unit and is independent production marketing or useWhen, it can be stored in a computer read/write memory medium.Based on such understanding, technical scheme is substantiallyThe part to contribute in other words to the prior art or all or part of the technical solution can be in the form of software productsIt embodies, which is stored in a storage medium, is used including some instructions so that a computerEquipment（Can be personal computer, server or the network equipment etc.）Perform the complete of each embodiment the method for the present inventionPortion or part steps.And foregoing storage medium includes：USB flash disk, mobile hard disk, read-only memory（Read-Only Memory, letterReferred to as " ROM "）, random access memory（Random Access Memory, referred to as " RAM "）, magnetic disc or CD etc. it is eachKind can store the medium of program code.

The above description is merely a specific embodiment, but protection scope of the present invention is not limited thereto, anyThose familiar with the art in the technical scope disclosed by the present invention, can readily occur in various equivalent modifications or replaceIt changes, these modifications or substitutions should be covered by the protection scope of the present invention.Therefore, protection scope of the present invention should be with rightIt is required that protection domain subject to.

Claims (27)

1. a kind of method to communicate in WLAN, which is characterized in that including：

The association identification that access point AP is website distribution is obtained, the AP is with the site works in same Wireless Fidelity WiFiChannel；

Establish the correspondence between the address information of the website and the association identification, using according to the correspondence as instituteIt states website and the AP provides trunking communication services.

2. according to the method described in claim 1, it is characterized in that, in the association mark that the acquisition access point AP is website distributionBefore knowledge, the method further includes：

The solicited message that the website is sent is received, the solicited message associates mark for the AP to be asked to be distributed for the websiteKnow；

The solicited message is sent to the AP, so that the AP is marked according to the solicited message for website distribution associationKnow；

The response message that the AP is sent is received, the response message includes the association identification that the AP is website distribution；

The response message is sent to the website.

3. according to the method described in claim 2, it is characterized in that, it is described obtain AP be website distribution association identification, including：

The association identification of the AP distribution is obtained from the response message.

4. according to the method described in claim 1, it is characterized in that, it is described obtain AP be website distribution association identification, including：

Receive the association identification for the AP distribution that the website is sent.

5. according to the method described in claim 1, it is characterized in that, it is described obtain AP be website distribution association identification, including：

Receive the association identification for the AP distribution that the AP is sent.

6. the method according to any one of claims 1 to 5, it is characterized in that, the method further includes：

Receive the AP transmissions first broadcasts the message, in the data dial gauge TIM information carried in first broadcast messageIt is the first value with the corresponding binary digit of the association identification；

According to the described first broadcast message, determine that there are the downlink datas of the website in the AP.

7. according to the method described in claim 6, it is characterized in that, the method further includes：

Receive the downlink data for the website that the AP is sent；

Cache the downlink data of the website；

Send the second broadcast message for carrying TIM information, in second broadcast message in the TIM information that carries with the associationCorresponding binary digit is identified as the first value, to indicate that there are the downlink datas of the website in trunking.

8. the method according to the description of claim 7 is characterized in that the method further includes：

The data transmission triggering message that the website is sent according to the described second broadcast message is received, the data transmission triggering disappearsCease the downlink data that the trunking is asked to send the website；

Triggering message is transmitted according to the data, the downlink data of the website is sent to the website.

9. according to the method described in claim 6, it is characterized in that, the method further includes：

When the downlink data of the website is not present in trunking, the 3rd broadcast message for carrying TIM information is sent, it is describedIn the TIM information that carries with the corresponding binary digit of the association identification it is second value in 3rd broadcast message.

10. a kind of method to communicate in WLAN, which is characterized in that including：

Solicited message is sent to AP associated with the trunking by trunking, the solicited message is described for askingAP distributes association identification for website, and the AP is with the site works in same Wireless Fidelity WiFi channels；

The response message that the AP is sent by the trunking is received, it is the website that the response message, which includes the AP,The association identification of distribution；

The method further includes：

The association identification of the AP distribution is sent to the trunking, so that the trunking establishes the websiteCorrespondence between address information and the association identification and according to the correspondence between the website and the APTrunking communication services are provided.

11. according to the method described in claim 10, it is characterized in that, the method further includes：

Receive the broadcast message of the data dial gauge TIM information for the carrying that the trunking is sent, in the TIM information with instituteThe corresponding binary digit of association identification is stated as the first value；

According to the broadcast message, data transmission triggering message, the data transmission triggering message are sent to the trunkingFor the trunking to be asked to send the downlink data for the website that the trunking caches；

Receive the downlink data that the trunking transmits the website that triggering message is sent according to the data.

12. a kind of method to communicate in WLAN, which is characterized in that including：

The solicited message that receiving station is sent by trunking, the solicited message are the website for asking access point APAssociation identification is distributed, the AP is with the site works in same Wireless Fidelity WiFi channels；

According to the solicited message, association identification is distributed for the website；

Response message is sent to the website by the trunking, the response message includes the association identification；

The method further includes：

The association identification of the AP distribution is sent to the trunking, so that the trunking establishes the websiteCorrespondence between address information and the association identification and according to the correspondence between the website and the APTrunking communication services are provided.

13. according to the method for claim 12, which is characterized in that the method further includes：

When, there are during the downlink data of the website, transmission carries the broadcast message of data dial gauge TIM information, institute in the APState in TIM information with the corresponding binary digit of the association identification be the first value；

The data transmission triggering message that the trunking is sent according to the broadcast message is received, the data transmission triggering disappearsCease the downlink data that the AP is asked to send the website；

Triggering message is transmitted according to the data, the downlink data of the website is sent to the trunking.

14. a kind of trunking in WLAN, which is characterized in that including：

Acquisition module, for obtaining the association identification that access point AP is website distribution, the AP is with the site works in sameA Wireless Fidelity WiFi channels；

Module is established, for establishing between the address information of the website and the association identification of acquisition module acquisitionCorrespondence, to provide trunking communication services as the website and the AP according to the correspondence.

15. trunking according to claim 14, which is characterized in that the trunking further includes：

First receiving module, for before the acquisition module obtains association identifications of the AP for website distribution, receiving the stationThe solicited message that point is sent, the solicited message are that the website distributes association identification for asking the AP；

First sending module, for sending the solicited message of the first receiving module reception to the AP, so as to describedAP distributes association identification according to the solicited message for the website；

First receiving module is additionally operable to receive the solicited message hair that the AP is sent according to first sending moduleThe response message sent, the response message include the association identification that the AP is website distribution；

First sending module is additionally operable to the response message for sending first receiving module to the website and receiving.

16. trunking according to claim 15, which is characterized in that the acquisition module is specifically used for from the responseThe association identification of the AP distribution is obtained in information.

17. trunking according to claim 14, which is characterized in that the acquisition module includes：

Receiving unit, for receiving the association identification for the AP distribution that the website is sent.

18. trunking according to claim 14, which is characterized in that the acquisition module includes：

Receiving unit, for receiving the association identification for the AP distribution that the AP is sent.

19. the trunking according to any one of claim 14 to 18, which is characterized in that the trunking also wrapsIt includes：

Second receiving module, for receiving the first broadcast message that the AP is sent, the number carried in first broadcast messageIt is worth according in dial gauge TIM information with the corresponding binary digit of the association identification for first；

Determining module for first broadcast message received according to second receiving module, determines exist in the APThe downlink data of the website.

20. trunking according to claim 19, which is characterized in that second receiving module is additionally operable to described in receptionThe downlink data for the website that AP is sent；

The trunking further includes：

Cache module, for caching the downlink data for the website that second receiving module receives；

Second sending module for sending the second broadcast message for carrying TIM information, carries in second broadcast messageIt is worth in TIM information with the corresponding binary digit of the association identification for first, to indicate that there are the websites in trunkingDownlink data.

21. trunking according to claim 20, which is characterized in that second receiving module is additionally operable to described in receptionThe data transmission triggering message that website is sent according to the described second broadcast message, the data transmit triggering message for asking instituteState the downlink data that trunking sends the website；

Second sending module is additionally operable to the data transmission triggering message received according to second receiving module, to instituteState the downlink data that website sends the website.

22. trunking according to claim 20, which is characterized in that second sending module is additionally operable in describedWhen the downlink data of the website is not present in equipment, the 3rd broadcast message for carrying TIM information, the 3rd broadcast are sentIn the TIM information carried in message with the corresponding binary digit of the association identification be second value.

23. a kind of website, which is characterized in that including：

Sending module sends solicited message, the request letter for passing through trunking to AP associated with the trunkingFor the AP to be asked to distribute association identification for website, the AP believes breath with the site works in same Wireless Fidelity WiFiRoad；

Receiving module, for receiving the response message that the AP is sent by the trunking, the response message includes instituteIt is the association identification that the website distributes to state the solicited message that AP is sent according to the sending module；

The sending module is additionally operable to send the association identification of the AP distribution to the trunking, so as to the relayingEquipment establishes the correspondence between the address information of the website and the association identification and according to the correspondence in instituteIt states and provides trunking communication services between website and the AP.

24. website according to claim 23, which is characterized in that the receiving module is additionally operable to receive the trunkingThe broadcast message of the data dial gauge TIM information of the carrying of transmission, in the TIM information with the association identification corresponding twoSystem position is the first value；

The sending module is additionally operable to the broadcast message received according to the receiving module, and number is sent to the trunkingMessage is triggered according to transmission, the data transmission triggering message is used to that the trunking to be asked to send the trunking cachingThe downlink data of the website；

The receiving module is additionally operable to receive the data transmission triggering that the trunking is sent according to the sending moduleThe downlink data for the website that message is sent.

25. a kind of wireless access point AP, which is characterized in that including：

Receiving module, for the solicited message that receiving station is sent by trunking, the solicited message accesses for requestPoint AP distributes association identification for the website, and the AP is with the site works in same Wireless Fidelity WiFi channels；

For the solicited message received according to the receiving module, association identification is distributed for the website for distribution module；

Sending module, for sending response message to the website by the trunking, the response message includes describedThe association identification of distribution module distribution；

The sending module is additionally operable to send the association identification of the distribution module distribution to the trunking, with toiletTrunking is stated to establish correspondence between the address information of the website and the association identification and corresponding closed according to describedIt ties up between the website and the AP and trunking communication services is provided.

26. AP according to claim 25, which is characterized in that the sending module is additionally operable to described when existing in the APDuring the downlink data of website, send the broadcast message for carrying data dial gauge TIM information, in the TIM information with the associationCorresponding binary digit is identified as the first value；

The receiving module is additionally operable to receive the broadcast message transmission that the trunking is sent according to the sending moduleData transmission triggering message, data transmission triggering message is used for the downlink data that the AP is asked to send the website；

The sending module is additionally operable to the data transmission triggering message received according to the receiving module, is set to the relayingPreparation send the downlink data of the website.

27. a kind of WLAN wlan system, which is characterized in that including：

Trunking as any one of claim 14 to 22, the website as any one of claim 23 to 24With the wireless access point AP as any one of claim 25 to 26.