The management method of straight-through resource and the management system of straight-through resourceTechnical field
The present invention relates to direct-connected fields of communication technology, in particular to the management method and one kind of a kind of straight-through resourceThe management system of straight-through resource.
Background technique
With the development of mobile terminal software and hardware technology and wireless communication technique, terminal direct connection technology (D2D:Device toDevice, direct-connected communication) becoming 3GPP in recent years, (3rd Generation Partnership Project, the third generation closeMake Partnership Program) in a very important technical discussion point.D2D technology include D2D discovery (D2D discovery) andD2D communication (D2D communication), and D2D discovery and communication are independent business, D2DCommunication then allows two UE (terminal) directly directly to carry out the transmission and transmission of data by specific channel, andENB (base station) is needed not move through to be transmitted.
And current D2D communication mode includes: 1, the D2D communication based on scheduling, in the D2D communication mode based on schedulingIn, UE is needed in connection status, and when eNB is carried out data transmission on which resource block by signaling instruction sender UE,This resource is based on each UE；2, the D2D communication based on shared resource, in the D2D communication mode based on shared resource,A running time-frequency resource pond of UE under one MPS process, public eNB broadcast carry out D2D communication, and both communication modes are3GPP connectionless communication mode based on broadcast mechanism defined in Rel (Release) -12.That is: sending side terminal is not distinguishedReceiving side terminal is UE or multiple UE, and for the data of transmission, only supports HARQ (Hybrid AutomaticRepeat Qequest, hybrid automatic repeat-request) without the feedback mechanism of support AS (Access Stratum, access) layer.
Thus, for the D2D business of the connectionless communication mode based on broadcast mechanism, how to keep the continuous of D2D businessProperty, become an important research topic, and keep the successional method of D2D business as shown in Figure 1, i.e. D2D UE at presentBetween distance change when, D2D pattern communication may at infra mode (infrastructure mode), optimized (optimization) mode andConverted between Direct Model, but this scene established under the control of a network before assuming that between D2D UE it is two-wayD2D connection, i.e. hypothesis sending side terminal has receiving side terminal information, but this hypothesis assumes with 3GPP Rel-12Scene misfit because connectionless broadcast formula communicate the characteristics of be do not need precognition receiving side terminal information, simultaneouslyThe distribution of Internet resources also only considers sending side terminal, and therefore, this method not can solve based on the connectionless of broadcast mechanismThe continuity problem of the D2D business of communication mode.
Therefore, how to make terminal in the D2D communication of the connectionless communication mode based on broadcast mechanism, keep in real timeThe continuity of D2D business, becomes urgent problem to be solved.
Summary of the invention
The present invention is based on the above problems, proposes a kind of new technical solution, terminal can be made based on speech amplifierWhen the D2D communication of the connectionless communication mode of system, the continuity of D2D business is kept in real time.
In view of this, an aspect of of the present present invention proposes a kind of management method of straight-through resource, for having base station functionsEquipment, comprising: receive the direct-connected communication information of sending side terminal；It is the end according to the direct-connected communication information receivedEnd configuration target leads directly to resource, so that the terminal keeps the continuity of direct-connected communication, wherein the target leads directly to resource packetInclude: discovery resource and/or the communication resource, the direct-connected communication information includes at least one of following information: the terminalBusiness model, the direct-connected communication pattern of the terminal, the terminal current straight-through resource and the terminal direct-connected communication mouldFormula conversion request.
In the technical scheme, by the direct-connected communication information sent according to the sending side terminal received, such as terminalThe information such as business model, direct-connected communication pattern (the D2D communication based on scheduling or the D2D communication based on shared resource), can makeEquipment with base station functions is that terminal configures the straight-through resource of target, so that the business continuity that terminal keeps D2D to communicate in real timeProperty, it avoids making D2D service disconnection because corresponding D2D communication can not be got in time.Wherein, setting with base station functionsStandby includes base station, the microcell base station realized by communication equipment (such as smart phone) etc..
In the above-mentioned technical solutions, it is preferable that the equipment with base station functions includes that any in following equipment setsIt is standby: the target device with base station functions of the adjacent cell adjacent with current service cell locating for the terminal, described currentThe current device of the current service cell locating for the macro base station of macrocell where serving cell, the terminal, and work asIt is described that mesh is configured for the terminal according to the direct-connected communication information when equipment with base station functions is the macro base stationMark straight-through resource, specifically include: receiving the business model from the terminal, with according to the business model for the endEnd configures the target and leads directly to resource.
In the technical scheme, according to terminal send business model, i.e. the Business Stream of terminal be partially or completely fromIn the Business Stream of macro base station or terminal come self terminal carry out D2D communication period terminal and macro base station (such as with the D2D of network layerApplication server or LBS (Location Based Service, location based service) location-server) lasting sexual intercourseMutually, so that macro base station is preferably the straight-through resource of target that terminal configuration is advantageously implemented D2D business continuance.
In the above-mentioned technical solutions, it is preferable that the business model includes: the business feature of the terminal and/or describedThe discharge pattern of terminal, and the business feature include: the terminal Business Stream at least partially from the macro base station and/Or the Business Stream of the terminal all is from the terminal, the discharge pattern include: the terminal traffic statistics characteristic and/Or the portfolio of the terminal.
In the technical scheme, when terminal reports the business feature in business model to macro base station, the business featureReporting can be by enhancing existing RRC (Radio Resource Control, radio resource control) message (i.e. at itIt is middle to increase new parameter), the new RRC information of definition or realized based on the connection in user face, it is of course also possible to by terminalDischarge pattern report to macro base station be conducive to realize terminal so that macro base station is preferably formulated according to the discharge pattern of terminalThe resource management mechanism of D2D business continuance, so that terminal be made to keep D2D business continuance.In addition, terminal carries out D2D communicationWhen Business Stream the case where all being from terminal have it is very much, such as: when terminal and other terminals carry out file-swapping service, terminalBusiness Stream all just be from terminal, rather than the macro base station of network side.
In the above-mentioned technical solutions, it is preferable that described when the equipment with base station functions is the target deviceIt is that the terminal configures the straight-through resource of target according to the direct-connected communication information, specifically includes: receiving the current service cellThe direct-connected communication pattern that sends of the current equipment with base station functions and/or the currently straight-through resource, according to instituteIt states direct-connected communication pattern and/or the currently straight-through resource is that the terminal configures the straight-through resource of the target.
In the technical scheme, when target device is that terminal configuration target leads directly to resource, illustrate terminal from currentServing cell is moved to the adjacent cell adjacent with current service cell, and the current of current service cell has setting for base station functionsIt is standby before terminal is moved to adjacent cell, be eventually by the current direct-connected communication pattern of terminal by being interacted with target deviceEnd is currently the direct-connected communication pattern based on scheduling or the direct-connected communication pattern based on shared resource and/or terminal currentThe current straight-through resource used under direct-connected communication pattern is sent to target device, and can make target device in advance is terminal configuration meshStraight-through resource is marked, with the business continuance that D2D when terminal is transferred to adjacent cell, can be kept to communicate, and then promotes user'sThe usage experience of D2D communication.Certainly, if the direct-connected communication pattern of terminal currently is the direct-connected communication pattern based on scheduling,Since terminal is in connected state always, thus the current equipment with base station functions only needs to notify target device, and terminal is currentDirect-connected communication pattern based on scheduling carries out D2D communication, without by terminal in the direct-connected communication mould based on schedulingCurrent straight-through resource under formula is sent to target device, to reduce unnecessary network overhead；If current direct-connected logical of terminalLetter mode is the direct-connected communication pattern based on shared resource, then currently the equipment with base station functions is needed terminal based on altogetherIt enjoys current straight-through resource under the direct-connected communication pattern based on shared resource of the direct-connected communication pattern and terminal of resource while sending outIt send to target device, so that target device is preferably that terminal configuration target leads directly to resource, to realize the industry for keeping D2D communicationBusiness continuity.
In the above-mentioned technical solutions, it is preferable that the target is led directly into resource in the target device and is issued to the endBefore end, the target is led directly to resource distribution in the target returns message of the terminal by the target device, will be describedTarget leads directly to resource and is issued to the terminal.
It in the technical scheme, can be to avoid by the way that target is led directly to resource distribution in the target returns message of terminalInto additional message, and then avoid introducing additional processing delay.
In the above-mentioned technical solutions, it is preferable that the direct-connected communication pattern include: direct-connected communication pattern based on scheduling andDirect-connected communication pattern based on shared resource, the direct-connected communication pattern conversion request includes: by described based on the direct-connected of schedulingCommunication pattern is converted into the direct-connected communication pattern based on shared resource, or by the direct-connected communication mould based on shared resourceFormula is converted into the direct-connected communication pattern based on scheduling, and when the equipment with base station functions is the target deviceWhen, it is described that the straight-through resource of target is configured for the terminal according to the direct-connected communication information, specifically further include: receive described currentThe direct-connected communication pattern conversion request that the current equipment with base station functions of serving cell is sent, according to described direct-connectedThe currently available straight-through resource of communication pattern conversion request and the target device is that the terminal configures the straight-through money of the targetSource.
In the technical scheme, when target device receives the direct-connected of the terminal that the current equipment with base station functions is sentWhen communication pattern conversion request, the currently available straight-through resource of target device adjacent cell according to locating for target device and direct-connected logicalThe target that the concrete type of letter mode conversion request is determined as terminal configuration leads directly to resource.
Such as: when direct-connected communication pattern conversion request is by the direct-connected communication mould based on shared resource being being currently usedWhen formula is converted into the request of the direct-connected communication pattern based on scheduling, target device judges the currently available straight-through resource of adjacent cellIt is whether sufficient, if sufficient, agree to that the direct-connected communication pattern that currently equipment with base station functions is sent converts request, and for eventuallyThe target of direct-connected communication pattern of the end configuration based on scheduling leads directly to resource, so that terminal is transferred to adjacent cell from current service cellWhen, the business continuance that D2D can be kept to communicate, and the direct-connected communication pattern based on scheduling is carried out after being transferred to adjacent cellD2D communication.
In the above-mentioned technical solutions, it is preferable that described when the equipment with base station functions is the current deviceIt is that the terminal configures the straight-through resource of target according to the direct-connected communication information, specifically includes: receiving the institute that the terminal is sentBusiness model is stated, to be that the terminal configures the straight-through resource of the target according to the business model.
In the technical scheme, when the equipment with base station functions is current device, illustrate that terminal does not carry out cell and cutsIt changes, also in current service cell (current service time cell), by the way that business model is sent to the current of current service cellEquipment can make current device preferentially guarantee that the direct-connected resource (target leads directly to resource) of the terminal with such business is distributed, in turnEnsure the continuity of the business of the D2D of terminal.
Another aspect of the present invention proposes a kind of management system of straight-through resource, for the equipment with base station functions,It is characterised by comprising: receiving unit, receives the direct-connected communication information of sending side terminal；Configuration unit, according to the institute receivedStating the direct-connected communication information is the straight-through resource of terminal configuration target, so that the terminal keeps the continuity of direct-connected communication,In, the straight-through resource of the target includes: discovery resource and/or the communication resource, the direct-connected communication information include in following informationAt least one: the business model of the terminal, the direct-connected communication pattern of the terminal, the terminal current straight-through resource andThe direct-connected communication pattern of the terminal converts request.
In the technical scheme, by the direct-connected communication information sent according to the sending side terminal received, such as terminalThe information such as business model, direct-connected communication pattern (the D2D communication based on scheduling or the D2D communication based on shared resource), can makeEquipment with base station functions is that terminal configures the straight-through resource of target, so that the business continuity that terminal keeps D2D to communicate in real timeProperty, it avoids making D2D service disconnection because corresponding D2D communication can not be got in time.Wherein, setting with base station functionsStandby includes base station, the microcell base station realized by communication equipment (such as smart phone) etc..
In the above-mentioned technical solutions, it is preferable that the equipment with base station functions includes that any in following equipment setsIt is standby: the target device with base station functions of the adjacent cell adjacent with current service cell locating for the terminal, described currentThe current device of the current service cell locating for the macro base station of macrocell where serving cell, the terminal, Yi JisuoIt states receiving unit to be specifically used for: when the equipment with base station functions is the macro base station, receive from the terminalThe business model, the configuration unit are specifically used for: being that the terminal configuration target is straight-through according to the business modelResource.
In the technical scheme, according to terminal send business model, i.e. the Business Stream of terminal be partially or completely fromIn the Business Stream of macro base station or terminal come self terminal carry out D2D communication period terminal and macro base station (such as with the D2D of network layerApplication server or LBS (Location Based Service, location based service) location-server) lasting sexual intercourseMutually, so that macro base station is preferably the straight-through resource of target that terminal configuration is advantageously implemented D2D business continuance.
In the above-mentioned technical solutions, it is preferable that the business model includes: the business feature of the terminal and/or describedThe discharge pattern of terminal, and the business feature include: the terminal Business Stream at least partially from the macro base station and/Or the Business Stream of the terminal all is from the terminal, the discharge pattern include: the terminal traffic statistics characteristic and/Or the portfolio of the terminal.
In the technical scheme, when terminal reports the business feature in business model to macro base station, the business featureReporting can be by enhancing existing RRC (Radio Resource Control, radio resource control) message (i.e. at itIt is middle to increase new parameter), the new RRC information of definition or realized based on the connection in user face, it is of course also possible to by terminalDischarge pattern report to macro base station be conducive to realize terminal so that macro base station is preferably formulated according to the discharge pattern of terminalThe resource management mechanism of D2D business continuance, so that terminal be made to keep D2D business continuance.In addition, terminal carries out D2D communicationWhen Business Stream the case where all being from terminal have it is very much, such as: when terminal and other terminals carry out file-swapping service, terminalBusiness Stream all just be from terminal, rather than the macro base station of network side.
In the above-mentioned technical solutions, it is preferable that the receiving unit is specifically also used to: when the setting with base station functionsWhen for being the target device, the described direct-connected of the current equipment transmission with base station functions of the current service cell is receivedCommunication pattern and/or the currently straight-through resource, the configuration unit are specifically also used to: according to the direct-connected communication pattern and/Or the currently straight-through resource is that the terminal configures the straight-through resource of the target.
In the technical scheme, when target device is that terminal configuration target leads directly to resource, illustrate terminal from currentServing cell is moved to the adjacent cell adjacent with current service cell, and the current of current service cell has setting for base station functionsIt is standby before terminal is moved to adjacent cell, be eventually by the current direct-connected communication pattern of terminal by being interacted with target deviceEnd is currently the direct-connected communication pattern based on scheduling or the direct-connected communication pattern based on shared resource and/or terminal currentThe current straight-through resource used under direct-connected communication pattern is sent to target device, and can make target device in advance is terminal configuration meshStraight-through resource is marked, with the business continuance that D2D when terminal is transferred to adjacent cell, can be kept to communicate, and then promotes user'sThe usage experience of D2D communication.Certainly, if the direct-connected communication pattern of terminal currently is the direct-connected communication pattern based on scheduling,Since terminal is in connected state always, thus the current equipment with base station functions only needs to notify target device, and terminal is currentDirect-connected communication pattern based on scheduling carries out D2D communication, without by terminal in the direct-connected communication mould based on schedulingCurrent straight-through resource under formula is sent to target device, to reduce unnecessary network overhead；If current direct-connected logical of terminalLetter mode is the direct-connected communication pattern based on shared resource, then currently the equipment with base station functions is needed terminal based on altogetherIt enjoys current straight-through resource under the direct-connected communication pattern based on shared resource of the direct-connected communication pattern and terminal of resource while sending outIt send to target device, so that target device is preferably that terminal configuration target leads directly to resource, to realize the industry for keeping D2D communicationBusiness continuity.
In the above-mentioned technical solutions, it is preferable that the configuration unit is also used to: in the target device that the target is straightLogical resource is issued to before the terminal, is controlled the target device for the target and is led directly to resource distribution in the mesh of the terminalDuring mark is receiveed the response, the target is led directly into resource and is issued to the terminal.
It in the technical scheme, can be to avoid by the way that target is led directly to resource distribution in the target returns message of terminalInto additional message, and then avoid introducing additional processing delay.
In the above-mentioned technical solutions, it is preferable that the direct-connected communication pattern include: direct-connected communication pattern based on scheduling andDirect-connected communication pattern based on shared resource, the direct-connected communication pattern conversion request includes: by described based on the direct-connected of schedulingCommunication pattern is converted into the direct-connected communication pattern based on shared resource, or by the direct-connected communication mould based on shared resourceFormula is converted into the direct-connected communication pattern based on scheduling and the receiving unit is specifically also used to: having base station when describedWhen the equipment of function is the target device, the current equipment transmission with base station functions of the current service cell is receivedThe direct-connected communication pattern conversion request, the configuration unit are specifically also used to: according to the direct-connected communication pattern conversion requestCurrently available straight-through resource with the target device is that the terminal configures the straight-through resource of the target.
In the technical scheme, when target device receives the direct-connected of the terminal that the current equipment with base station functions is sentWhen communication pattern conversion request, the currently available straight-through resource of target device adjacent cell according to locating for target device and direct-connected logicalThe target that the concrete type of letter mode conversion request is determined as terminal configuration leads directly to resource.
Such as: when direct-connected communication pattern conversion request is by the direct-connected communication mould based on shared resource being being currently usedWhen formula is converted into the request of the direct-connected communication pattern based on scheduling, target device judges the currently available straight-through resource of adjacent cellIt is whether sufficient, if sufficient, agree to that the direct-connected communication pattern that currently equipment with base station functions is sent converts request, and for eventuallyThe target of direct-connected communication pattern of the end configuration based on scheduling leads directly to resource, so that terminal is transferred to adjacent cell from current service cellWhen, the business continuance that D2D can be kept to communicate, and the direct-connected communication pattern based on scheduling is carried out after being transferred to adjacent cellD2D communication.
In the above-mentioned technical solutions, it is preferable that the receiving unit is specifically also used to: when the setting with base station functionsWhen for being the current device, the business model that the terminal is sent is received, the configuration unit is specifically also used to: according toThe business model is that the terminal configures the straight-through resource of the target.
In the technical scheme, when the equipment with base station functions is current device, illustrate that terminal does not carry out cell and cutsIt changes, also in current service cell (current service time cell), by the way that business model is sent to the current of current service cellEquipment can make current device preferentially guarantee that the direct-connected resource (target leads directly to resource) of the terminal with such business is distributed, in turnEnsure the continuity of the business of the D2D of terminal.According to the technical solution of the present invention, terminal can be made in the nothing based on broadcast mechanismWhen the D2D communication of connection communication mode, the continuity of business is kept in real time.
According to the technical solution of the present invention, terminal can be made logical in the D2D of the connectionless communication mode based on broadcast mechanismWhen letter, the continuity of D2D business is kept in real time.
Detailed description of the invention
Fig. 1 shows the process schematic for keeping the business continuance of D2D communication in the related technology；
Fig. 2 shows the flow diagrams of the management method of straight-through resource according to an embodiment of the invention；
Fig. 3 shows the structural schematic diagram of the management system of straight-through resource according to an embodiment of the invention；
It is that terminal configures the straight-through money of target that Fig. 4 A and Fig. 4 B, which show target device according to an embodiment of the invention,The process schematic in source.
Specific embodiment
It is with reference to the accompanying drawing and specific real in order to be more clearly understood that the above objects, features and advantages of the present inventionApplying mode, the present invention is further described in detail.It should be noted that in the absence of conflict, the implementation of the applicationFeature in example and embodiment can be combined with each other.
In the following description, numerous specific details are set forth in order to facilitate a full understanding of the present invention, still, the present invention may be used alsoTo be implemented using other than the one described here other modes, therefore, protection scope of the present invention is not by described belowSpecific embodiment limitation.
Fig. 2 shows the flow diagrams of the management method of straight-through resource according to an embodiment of the invention.
As shown in Fig. 2, the management method of straight-through resource according to an embodiment of the invention, comprising: step 202, connectThe direct-connected communication information of the side's of transmitting and receiving terminal；It step 204, is terminal configuration according to the direct-connected communication information receivedTarget leads directly to resource, so that the terminal keeps the continuity of direct-connected communication, wherein it includes: discovery that the target, which leads directly to resource,Resource and/or the communication resource, the direct-connected communication information includes at least one of following information: the business mould of the terminalThe direct-connected communication pattern conversion of formula, the direct-connected communication pattern of the terminal, the current straight-through resource of the terminal and the terminalRequest.
In the technical scheme, by the direct-connected communication information sent according to the sending side terminal received, such as terminalThe information such as business model, direct-connected communication pattern (the D2D communication based on scheduling or the D2D communication based on shared resource), can makeEquipment with base station functions is that terminal configures the straight-through resource of target, so that the business continuity that terminal keeps D2D to communicate in real timeProperty, it avoids making D2D service disconnection because corresponding D2D communication can not be got in time.Wherein, setting with base station functionsStandby includes base station, the microcell base station realized by communication equipment (such as smart phone) etc..
In the above-mentioned technical solutions, it is preferable that the equipment with base station functions includes that any in following equipment setsIt is standby: the target device with base station functions of the adjacent cell adjacent with current service cell locating for the terminal, described currentThe current device of the current service cell locating for the macro base station of macrocell where serving cell, the terminal, and work asIt is described that mesh is configured for the terminal according to the direct-connected communication information when equipment with base station functions is the macro base stationMark straight-through resource, specifically include: receiving the business model from the terminal, with according to the business model for the endEnd configures the target and leads directly to resource.
In the technical scheme, according to terminal send business model, i.e. the Business Stream of terminal be partially or completely fromIn the Business Stream of macro base station or terminal come self terminal carry out D2D communication period terminal and macro base station (such as with the D2D of network layerApplication server or LBS (Location Based Service, location based service) location-server) lasting sexual intercourseMutually, so that macro base station is preferably the straight-through resource of target that terminal configuration is advantageously implemented D2D business continuance.
In the above-mentioned technical solutions, it is preferable that the business model includes: the business feature of the terminal and/or describedThe discharge pattern of terminal, and the business feature include: the terminal Business Stream at least partially from the macro base station and/Or the Business Stream of the terminal all is from the terminal, the discharge pattern include: the terminal traffic statistics characteristic and/Or the portfolio of the terminal.
In the technical scheme, when terminal reports the business feature in business model to macro base station, the business featureReporting can be by enhancing existing RRC (Radio Resource Control, radio resource control) message (i.e. at itIt is middle to increase new parameter), the new RRC information of definition or realized based on the connection in user face, it is of course also possible to by terminalDischarge pattern report to macro base station be conducive to realize terminal so that macro base station is preferably formulated according to the discharge pattern of terminalThe resource management mechanism of D2D business continuance, so that terminal be made to keep D2D business continuance.In addition, terminal carries out D2D communicationWhen Business Stream the case where all being from terminal have it is very much, such as: when terminal and other terminals carry out file-swapping service, terminalBusiness Stream all just be from terminal, rather than the macro base station of network side.
In the above-mentioned technical solutions, it is preferable that described when the equipment with base station functions is the target deviceIt is that the terminal configures the straight-through resource of target according to the direct-connected communication information, specifically includes: receiving the current service cellThe direct-connected communication pattern that sends of the current equipment with base station functions and/or the currently straight-through resource, according to instituteIt states direct-connected communication pattern and/or the currently straight-through resource is that the terminal configures the straight-through resource of the target.
In the technical scheme, when target device is that terminal configuration target leads directly to resource, illustrate terminal from currentServing cell is moved to the adjacent cell adjacent with current service cell, and the current of current service cell has setting for base station functionsIt is standby before terminal is moved to adjacent cell, be eventually by the current direct-connected communication pattern of terminal by being interacted with target deviceEnd is currently the direct-connected communication pattern based on scheduling or the direct-connected communication pattern based on shared resource and/or terminal currentThe current straight-through resource used under direct-connected communication pattern is sent to target device, and can make target device in advance is terminal configuration meshStraight-through resource is marked, with the business continuance that D2D when terminal is transferred to adjacent cell, can be kept to communicate, and then promotes user'sThe usage experience of D2D communication.Certainly, if the direct-connected communication pattern of terminal currently is the direct-connected communication pattern based on scheduling,Since terminal is in connected state always, thus the current equipment with base station functions only needs to notify target device, and terminal is currentDirect-connected communication pattern based on scheduling carries out D2D communication, without by terminal in the direct-connected communication mould based on schedulingCurrent straight-through resource under formula is sent to target device, to reduce unnecessary network overhead；If current direct-connected logical of terminalLetter mode is the direct-connected communication pattern based on shared resource, then currently the equipment with base station functions is needed terminal based on altogetherIt enjoys current straight-through resource under the direct-connected communication pattern based on shared resource of the direct-connected communication pattern and terminal of resource while sending outIt send to target device, so that target device is preferably that terminal configuration target leads directly to resource, to realize the industry for keeping D2D communicationBusiness continuity.
In the above-mentioned technical solutions, it is preferable that the target is led directly into resource in the target device and is issued to the endBefore end, the target is led directly to resource distribution in the target returns message of the terminal by the target device, will be describedTarget leads directly to resource and is issued to the terminal.
It in the technical scheme, can be to avoid by the way that target is led directly to resource distribution in the target returns message of terminalInto additional message, and then avoid introducing additional processing delay.
In the above-mentioned technical solutions, it is preferable that the direct-connected communication pattern include: direct-connected communication pattern based on scheduling andDirect-connected communication pattern based on shared resource, the direct-connected communication pattern conversion request includes: by described based on the direct-connected of schedulingCommunication pattern is converted into the direct-connected communication pattern based on shared resource, or by the direct-connected communication mould based on shared resourceFormula is converted into the direct-connected communication pattern based on scheduling, and when the equipment with base station functions is the target deviceWhen, it is described that the straight-through resource of target is configured for the terminal according to the direct-connected communication information, specifically further include: receive described currentThe direct-connected communication pattern conversion request that the current equipment with base station functions of serving cell is sent, according to described direct-connectedThe currently available straight-through resource of communication pattern conversion request and the target device is that the terminal configures the straight-through money of the targetSource.
In the technical scheme, when target device receives the direct-connected of the terminal that the current equipment with base station functions is sentWhen communication pattern conversion request, the currently available straight-through resource of target device adjacent cell according to locating for target device and direct-connected logicalThe target that the concrete type of letter mode conversion request is determined as terminal configuration leads directly to resource.
Such as: when direct-connected communication pattern conversion request is by the direct-connected communication mould based on shared resource being being currently usedWhen formula is converted into the request of the direct-connected communication pattern based on scheduling, target device judges the currently available straight-through resource of adjacent cellIt is whether sufficient, if sufficient, agree to that the direct-connected communication pattern that currently equipment with base station functions is sent converts request, and for eventuallyThe target of direct-connected communication pattern of the end configuration based on scheduling leads directly to resource, so that terminal is transferred to adjacent cell from current service cellWhen, the business continuance that D2D can be kept to communicate, and the direct-connected communication pattern based on scheduling is carried out after being transferred to adjacent cellD2D communication.
In the above-mentioned technical solutions, it is preferable that described when the equipment with base station functions is the current deviceIt is that the terminal configures the straight-through resource of target according to the direct-connected communication information, specifically includes: receiving the institute that the terminal is sentBusiness model is stated, to be that the terminal configures the straight-through resource of the target according to the business model.
In the technical scheme, when the equipment with base station functions is current device, illustrate that terminal does not carry out cell and cutsIt changes, also in current service cell (current service time cell), by the way that business model is sent to the current of current service cellEquipment can make current device preferentially guarantee that the direct-connected resource (target leads directly to resource) of the terminal with such business is distributed, in turnEnsure the continuity of the business of the D2D of terminal.
Fig. 3 shows the structural schematic diagram of the management system of straight-through resource according to an embodiment of the invention.
As shown in figure 3, the management system 300 of straight-through resource according to an embodiment of the invention, comprising: receiving unit302, receive the direct-connected communication information of sending side terminal；Configuration unit 304 is institute according to the direct-connected communication information receivedIt states terminal configuration target and leads directly to resource, so that the terminal keeps the continuity of direct-connected communication, wherein the target leads directly to resourceIt include: discovery resource and/or the communication resource, the direct-connected communication information includes at least one of following information: the terminalBusiness model, the direct-connected communication pattern of the terminal, the terminal current straight-through resource and the terminal direct-connected communicationMode conversion request.
In the technical scheme, by the direct-connected communication information sent according to the sending side terminal received, such as terminalThe information such as business model, direct-connected communication pattern (the D2D communication based on scheduling or the D2D communication based on shared resource), can makeEquipment with base station functions is that terminal configures the straight-through resource of target, so that the business continuity that terminal keeps D2D to communicate in real timeProperty, it avoids making D2D service disconnection because corresponding D2D communication can not be got in time.Wherein, setting with base station functionsStandby includes base station, the microcell base station realized by communication equipment (such as smart phone) etc..
In the above-mentioned technical solutions, it is preferable that the equipment with base station functions includes that any in following equipment setsIt is standby: the target device with base station functions of the adjacent cell adjacent with current service cell locating for the terminal, described currentThe current device of the current service cell locating for the macro base station of macrocell where serving cell, the terminal, Yi JisuoIt states receiving unit 302 to be specifically used for: when the equipment with base station functions is the macro base station, receiving and come from the terminalThe business model, the configuration unit 304 is specifically used for: being that the terminal configures the target according to the business modelStraight-through resource.
In the technical scheme, according to terminal send business model, i.e. the Business Stream of terminal be partially or completely fromIn the Business Stream of macro base station or terminal come self terminal carry out D2D communication period terminal and macro base station (such as with the D2D of network layerApplication server or LBS (Location Based Service, location based service) location-server) lasting sexual intercourseMutually, so that macro base station is preferably the straight-through resource of target that terminal configuration is advantageously implemented D2D business continuance.
In the above-mentioned technical solutions, it is preferable that the business model includes: the business feature of the terminal and/or describedThe discharge pattern of terminal, and the business feature include: the terminal Business Stream at least partially from the macro base station and/Or the Business Stream of the terminal all is from the terminal, the discharge pattern include: the terminal traffic statistics characteristic and/Or the portfolio of the terminal.
In the technical scheme, when terminal reports the business feature in business model to macro base station, the business featureReporting can be by enhancing existing RRC (Radio Resource Control, radio resource control) message (i.e. at itIt is middle to increase new parameter), the new RRC information of definition or realized based on the connection in user face, it is of course also possible to by terminalDischarge pattern report to macro base station be conducive to realize terminal so that macro base station is preferably formulated according to the discharge pattern of terminalThe resource management mechanism of D2D business continuance, so that terminal be made to keep D2D business continuance.In addition, terminal carries out D2D communicationWhen Business Stream the case where all being from terminal have it is very much, such as: when terminal and other terminals carry out file-swapping service, terminalBusiness Stream all just be from terminal, rather than the macro base station of network side.
In the above-mentioned technical solutions, it is preferable that the receiving unit 302 is specifically also used to: there are base station functions when describedEquipment when being the target device, receive the current service cell the current equipment with base station functions send it is describedDirect-connected communication pattern and/or the currently straight-through resource, the configuration unit 304 are specifically also used to: according to the direct-connected communicationMode and/or the currently straight-through resource are that the terminal configures the straight-through resource of the target.
In the technical scheme, when target device is that terminal configuration target leads directly to resource, illustrate terminal from currentServing cell is moved to the adjacent cell adjacent with current service cell, and the current of current service cell has setting for base station functionsIt is standby before terminal is moved to adjacent cell, be eventually by the current direct-connected communication pattern of terminal by being interacted with target deviceEnd is currently the direct-connected communication pattern based on scheduling or the direct-connected communication pattern based on shared resource and/or terminal currentThe current straight-through resource used under direct-connected communication pattern is sent to target device, and can make target device in advance is terminal configuration meshStraight-through resource is marked, with the business continuance that D2D when terminal is transferred to adjacent cell, can be kept to communicate, and then promotes user'sThe usage experience of D2D communication.Certainly, if the direct-connected communication pattern of terminal currently is the direct-connected communication pattern based on scheduling,Since terminal is in connected state always, thus the current equipment with base station functions only needs to notify target device, and terminal is currentDirect-connected communication pattern based on scheduling carries out D2D communication, without by terminal in the direct-connected communication mould based on schedulingCurrent straight-through resource under formula is sent to target device, to reduce unnecessary network overhead；If current direct-connected logical of terminalLetter mode is the direct-connected communication pattern based on shared resource, then currently the equipment with base station functions is needed terminal based on altogetherIt enjoys current straight-through resource under the direct-connected communication pattern based on shared resource of the direct-connected communication pattern and terminal of resource while sending outIt send to target device, so that target device is preferably that terminal configuration target leads directly to resource, to realize the industry for keeping D2D communicationBusiness continuity.
In the above-mentioned technical solutions, it is preferable that the configuration unit 304 is also used to: in the target device by the meshIt marks straight-through resource to be issued to before the terminal, controls the target device for the target and lead directly to resource distribution in the terminalTarget returns message in, by the target lead directly to resource be issued to the terminal.
It in the technical scheme, can be to avoid by the way that target is led directly to resource distribution in the target returns message of terminalInto additional message, and then avoid introducing additional processing delay.
In the above-mentioned technical solutions, it is preferable that the direct-connected communication pattern include: direct-connected communication pattern based on scheduling andDirect-connected communication pattern based on shared resource, the direct-connected communication pattern conversion request includes: by described based on the direct-connected of schedulingCommunication pattern is converted into the direct-connected communication pattern based on shared resource, or by the direct-connected communication mould based on shared resourceFormula is converted into the direct-connected communication pattern based on scheduling and the receiving unit 302 is specifically also used to: having base when describedWhen the equipment for function of standing is the target device, the current equipment with base station functions for receiving the current service cell is sentThe direct-connected communication pattern conversion request, the configuration unit 304 is specifically also used to: being converted according to the direct-connected communication patternThe currently available straight-through resource of request and the target device is that the terminal configures the straight-through resource of the target.
In the technical scheme, when target device receives the direct-connected of the terminal that the current equipment with base station functions is sentWhen communication pattern conversion request, the currently available straight-through resource of target device adjacent cell according to locating for target device and direct-connected logicalThe target that the concrete type of letter mode conversion request is determined as terminal configuration leads directly to resource.
Such as: when direct-connected communication pattern conversion request is by the direct-connected communication mould based on shared resource being being currently usedWhen formula is converted into the request of the direct-connected communication pattern based on scheduling, target device judges the currently available straight-through resource of adjacent cellIt is whether sufficient, if sufficient, agree to that the direct-connected communication pattern that currently equipment with base station functions is sent converts request, and for eventuallyThe target of direct-connected communication pattern of the end configuration based on scheduling leads directly to resource, so that terminal is transferred to adjacent cell from current service cellWhen, the business continuance that D2D can be kept to communicate, and the direct-connected communication pattern based on scheduling is carried out after being transferred to adjacent cellD2D communication.
In the above-mentioned technical solutions, it is preferable that the receiving unit 302 is specifically also used to: there are base station functions when describedEquipment when being the current device, receive the business model that the terminal is sent, the configuration unit 304 is specifically also usedIn: it is that the terminal configures the straight-through resource of the target according to the business model.
In the technical scheme, when the equipment with base station functions is current device, illustrate that terminal does not carry out cell and cutsIt changes, also in current service cell (current service time cell), by the way that business model is sent to the current of current service cellEquipment can make current device preferentially guarantee that the direct-connected resource (target leads directly to resource) of the terminal with such business is distributed, in turnEnsure the continuity of the business of the D2D of terminal.
It is that terminal configures the straight-through money of target that Fig. 4 A and Fig. 4 B, which show target device according to an embodiment of the invention,The process schematic in source.
As shown in Figure 4 A and 4 B shown in FIG., the target device for showing one embodiment of the present of invention is that terminal configuration target is straight-throughThe process of resource: include:
When sending side terminal 1 and receiving side terminal 2 carry out D2D communication, if sending side terminal 1 wishes that current service cell turnsThe adjacent cell adjacent with current service cell is moved to, then terminal 1 can be with current the setting with base station functions of current service cellIt is standby to be communicated, measurement report is sent to the current equipment with base station functions, and in the measurement report include sending side terminal 1Current direct-connected communication pattern with receiving side terminal 2 (is the direct-connected communication pattern based on scheduling still based on shared resourceDirect-connected communication pattern) and/or currently the current straight-through resource under direct-connected communication pattern is sent to current setting with base station functionsIt is standby；
And current service cell currently has the equipment of base station functions before sending side terminal 1 is moved to adjacent cell,It interacts by the target device with adjacent cell and (sends cell switching request to the target device of adjacent cell), by what is receivedWhat the current direct-connected communication pattern and/or sending side terminal 1 of sending side terminal 1 used under current direct-connected communication pattern works asPreceding straight-through resource is sent to target device；
Target device exists according to the current direct-connected communication pattern and/or sending side terminal 1 of the sending side terminal 1 receivedThe current straight-through resource used under current direct-connected communication pattern configures target for sending side terminal 1 in advance and leads directly to resource, and willConfigured target leads directly to resource and is back to the current equipment with base station functions, by currently with the equipment of base station functionsConfigured target is led directly into resource and is issued to sending side terminal 1, it, can be with thus when sending side terminal 1 being made to be transferred to adjacent cellThe business continuance for keeping D2D to communicate with receiving side terminal 2, and then promote the usage experience of the D2D communication of user.
The technical scheme of the present invention has been explained in detail above with reference to the attached drawings, can make terminal based on broadcast mechanism without evenWhen connecing the D2D communication of communication mode, the continuity of D2D business is kept in real time.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this fieldFor art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repairChange, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.