A kind of dispatching method and device based on Satellite Communication SystemTechnical field
The present invention relates to satellite communication technology field, in particular to a kind of dispatching method and dress based on Satellite Communication SystemIt sets.
Background technique
Broadband Satellite based on DVB (Digital Video Broadcasting, digital video broadcasting) serial protocols movesDynamic communication is quickly grown in recent years, and especially in north America region, the cost performance of the Satellite Communication System land honeycomb that can match in excellence or beauty is logicalNews system.Qos (Quality of Service, the service for the support end station and personal user's full-service that satellite communication providesQuality) characteristic, the impression of user is influenced very big.Due to the particularity of satellite communication, most of personal user is to pass throughEnd station accesses Satellite Communication System, and satellite communication operator also provides clothes for personal user generally according to end station and end station groupBusiness, formed end station group, end station, personal user user's hierarchical structure, this structure communicates different with traditional terrestrial cellular.Satellite communication operator and traditional ground cellular based communication carrier policy be not also identical, it is desirable that formulates with end station group, end station, individualThe full-service Qos of hierarchy of users is serviced, and traditional Qos mechanism is typically all and to defend based on personal user, supplemented by type of serviceHierarchical service needed for star communication operator simultaneously embodies type of service class requirement and is not inconsistent, and the Qos for not being able to satisfy full-service is specialProperty.
Summary of the invention
The technical issues of scheme provided according to embodiments of the present invention solves is that satellite communication operator is not able to satisfy full industryThe Qos characteristic of business.
A kind of dispatching method based on Satellite Communication System provided according to embodiments of the present invention, comprising:
Obtain the application stream that satellite communication is carried out in each end station group；
According to the application stream for carrying out satellite communication in acquired each end station group, is assembled for each end station and empty mouth moneySource；
When the interface-free resources excess configured for some end station group, the permission of interface-free resources is used according to its permission excess,The interface-free resources for belonging to other end station groups are scheduled to the end station group of the interface-free resources excess.
Preferably, the stream of applying for obtaining progress satellite communication in each end station group includes:
By to the specific type business for having connected all personal users of satellite communication network in each end station group and usingDetected using stream, obtain the application stream that all personal users in each end station group carry out satellite communications；Or
Pass through the spy used all personal users under all end station for having connected satellite communication network in each end station groupDetermine being detected using stream for type service, obtains the application stream that all end station in each end station group carry out satellite communication.
Preferably, the application stream that satellite communication is carried out in each end station group according to acquired in, is each end station groupConfiguring interface-free resources includes:
It is every according to the preconfigured interface-free resources accounting of each end station group and acquired carry out satellite communication applications streamA end station group configures interface-free resources.
Preferably, the interface-free resources accounting of each end station group configuration is eated dishes without rice or wine according to removing system necessity shared overheadWhat interface-free resources accounting remained by resource accounting and the end station group quantity for needing to configure interface-free resources accounting were configured.
Preferably, described when the interface-free resources excess configured for some end station group, allow excess use to eat dishes without rice or wine according to itThe end station group that the interface-free resources for belonging to other end station groups are scheduled to the interface-free resources excess includes: by the permission of resource
According to the preconfigured interface-free resources accounting of each end station group and acquired carry out satellite communication applications stream, judgementThe interface-free resources of each end station group configuration whether excess；
If judging the interface-free resources excess of end station group configuration and the end station group allowing excess to use the permission of interface-free resourcesWhen, the interface-free resources for belonging to other end station groups are scheduled to the end station group of the interface-free resources excess；
If judging the interface-free resources excess that end station group configures and the end station group not allowing excess to use the power of interface-free resourcesIn limited time, then the end station group uses the progress interface-free resources scheduling of preconfigured interface-free resources accounting.
A kind of dispatching device based on Satellite Communication System provided according to embodiments of the present invention, comprising:
Module is obtained, for obtaining the application stream for carrying out satellite communication in each end station group；
Configuration module is each end station for being flowed according to the application for carrying out satellite communication in acquired each end station groupGroup configuration interface-free resources；
Scheduler module, for allowing excess to use according to it empty when the interface-free resources excess configured for some end station groupThe interface-free resources for belonging to other end station groups, are scheduled to the end station group of the interface-free resources excess by the permission of mouth resource.
Preferably, the acquisition module includes:
First acquisition unit, for by making to all personal users for having connected satellite communication network in each end station groupSpecific type business is detected using stream, is obtained all personal users in each end station group and is carried out answering for satellite communicationWith stream；Or
Second acquisition unit, for by owning under all end station for having connected satellite communication network in each end station groupThe specific type business that personal user uses is detected using stream, and it is logical to obtain all end station progress satellites in each end station groupThe application stream of letter.
Preferably, the configuration module is specifically used for according to the preconfigured interface-free resources accounting of each end station group and is obtainedThe carry out satellite communication applications stream taken configures interface-free resources for each end station group.
Preferably, the scheduler module includes:
Judging unit, for logical according to the preconfigured interface-free resources accounting of each end station group and acquired carry out satelliteLetter application stream, judge the configuration of each end station group interface-free resources whether excess；
Scheduling unit, for allowing excess to use sky when the interface-free resources excess and the end station group that judge the configuration of end station groupWhen the permission of mouth resource, the interface-free resources for belonging to other end station groups are scheduled to the end station group of the interface-free resources excess, and work asJudge the interface-free resources excess of end station group configuration and when the end station group does not allow excess to use the permission of interface-free resources, then it is describedEnd station group carries out interface-free resources scheduling using preconfigured interface-free resources accounting.
A kind of electronic equipment based on Satellite Communication System scheduling provided according to embodiments of the present invention, the electronic equipmentIt include: processor and memory, wherein the memory is for storing executable program code；The processor passes through readingThe executable program code stored in the memory runs program corresponding with executable program code, with for execute withLower step:
Obtain the application stream that satellite communication is carried out in each end station group；
According to the application stream for carrying out satellite communication in acquired each end station group, is assembled for each end station and empty mouth moneySource；
When the interface-free resources excess configured for some end station group, excess is allowed to use the power of interface-free resources according to end station groupThe interface-free resources for belonging to other end station groups, are scheduled to the end station group of the interface-free resources excess by limit.
The scheme provided according to embodiments of the present invention is studied by the Operational requirements to satellite communication operator, withAnd the requirement of personal user's full-service service, it is carried out using multiple levels that end station group, personal user, business are divided into a variety of strategiesQos scheduling.Meet the requirement that satellite communication operator divides its each agent to interface-free resources, also can satisfy end station orPersonal user's Qos configuration requirement, can also meet requirement of the various applications to Qos under end station or personal user, and formation group is usedThe comprehensive Qos guarantee at family/end station, business, has configuration to operator, agent, personal user and uses upper promotion.
Detailed description of the invention
Fig. 1 is a kind of dispatching method flow chart based on Satellite Communication System provided in an embodiment of the present invention；
Fig. 2 is a kind of dispatching device schematic diagram based on Satellite Communication System provided in an embodiment of the present invention；
Fig. 3 is the scheduler module schematic diagram provided in an embodiment of the present invention based on Satellite Communication System；
Fig. 4 is scheduling one flow chart provided in an embodiment of the present invention based on Satellite Communication System；
Fig. 5 is scheduling one process flow diagram provided in an embodiment of the present invention based on Satellite Communication System；
Fig. 6 is scheduling two flow chart provided in an embodiment of the present invention based on Satellite Communication System；
Fig. 7 is scheduling two process flow diagram provided in an embodiment of the present invention based on Satellite Communication System.
Specific embodiment
Below in conjunction with attached drawing to a preferred embodiment of the present invention will be described in detail, it should be understood that described below is excellentSelect embodiment only for the purpose of illustrating and explaining the present invention and is not intended to limit the present invention.
Fig. 1 is a kind of dispatching method flow chart based on Satellite Communication System provided in an embodiment of the present invention, such as Fig. 1 instituteShow, comprising:
Step S101: the application stream that satellite communication is carried out in each end station group is obtained；
Step S102: it is flowed according to the application for carrying out satellite communication in acquired each end station group, is assembled for each end stationSet interface-free resources；
Step S103: when the interface-free resources excess configured for some end station group, excess use is allowed to eat dishes without rice or wine to provide according to itThe interface-free resources for belonging to other end station groups are scheduled to the end station group of the interface-free resources excess by the permission in source.
Wherein, the application stream for obtaining progress satellite communication in each end station group includes: by each end station groupDetecting using stream for the specific type business that all personal users of satellite communication network use is had connected, each end is obtainedAll personal users carry out the application stream of satellite communication in group of standing；Or by having connected satellite communications net in each end station groupDetecting using stream for the specific type business that all personal users use under all end station of network, obtains in each end station groupAll end station carry out the application stream of satellite communication.
Wherein, the application stream that satellite communication is carried out in each end station group according to acquired in, assembles for each end stationSetting interface-free resources includes: according to the preconfigured interface-free resources accounting of each end station group and acquired carry out satellite communication applicationsStream configures interface-free resources for each end station group.
Wherein, the interface-free resources accounting of each end station group configuration is to eat dishes without rice or wine to provide according to removing system necessity shared overheadWhat interface-free resources accounting remained by the accounting of source and the end station group quantity for needing to configure interface-free resources accounting were configured.
Wherein, described when the interface-free resources excess configured for some end station group, allow excess use to eat dishes without rice or wine to provide according to itThe end station group that the interface-free resources for belonging to other end station groups are scheduled to the interface-free resources excess is included: according to each by the permission in sourceThe preconfigured interface-free resources accounting of end station group and acquired carry out satellite communication applications stream judge each end station group configurationInterface-free resources whether excess；If judging the interface-free resources excess of end station group configuration and the end station group allowing excess use to eat dishes without rice or wine to provideWhen the permission in source, the interface-free resources for belonging to other end station groups are scheduled to the end station group of the interface-free resources excess；If judging end stationWhen the interface-free resources excess and the end station group that group configures do not allow excess to use the permission of interface-free resources, then the end station group makesInterface-free resources scheduling is carried out with preconfigured interface-free resources accounting.
Fig. 2 is a kind of dispatching device schematic diagram based on Satellite Communication System provided in an embodiment of the present invention, such as Fig. 2 instituteShow, comprising: module 201 is obtained, for obtaining the application stream for carrying out satellite communication in each end station group；Configuration module 202, is used forAccording to the application stream for carrying out satellite communication in acquired each end station group, interface-free resources are configured for each end station group；Dispatch mouldBlock 203, for allowing excess to use the power of interface-free resources according to it when the interface-free resources excess configured for some end station groupThe interface-free resources for belonging to other end station groups, are scheduled to the end station group of the interface-free resources excess by limit.
Wherein, the acquisition module 201 includes: first acquisition unit, for by defending to having connected in each end station groupDetecting using stream for the specific type business that all personal users of star communication network use, obtains institute in each end station groupThere is personal user to carry out the application stream of satellite communication；Or second acquisition unit, for by being had connected in each end station groupThe specific type business that all personal users use under all end station of satellite communication network is detected using stream, is obtained everyAll end station carry out the application stream of satellite communication in a end station group.
Wherein, the configuration module 202 is specifically used for according to the preconfigured interface-free resources accounting of each end station group and instituteThe carry out satellite communication applications stream of acquisition configures interface-free resources for each end station group.
Wherein, the scheduler module 203 includes: judging unit, for eating dishes without rice or wine to provide according to each end station group is preconfiguredSource accounting and acquired carry out satellite communication applications stream, judge the configuration of each end station group interface-free resources whether excess；SchedulingUnit, for allowing excess to use the permission of interface-free resources when the interface-free resources excess and the end station group that judge the configuration of end station groupWhen, the interface-free resources for belonging to other end station groups are scheduled to the end station group of the interface-free resources excess, and work as and judge that end station assemblesWhen the interface-free resources excess and the end station group set do not allow excess to use the permission of interface-free resources, then the end station group uses pre-The interface-free resources accounting first configured carries out interface-free resources scheduling.
The embodiment of the invention also provides a kind of electronic equipment based on Satellite Communication System scheduling, the electronic equipment packetsIt includes: processor and memory, wherein the memory is for storing executable program code；The processor is by reading instituteThe executable program code that stores in memory is stated to run program corresponding with executable program code, with following for executingStep:
Obtain the application stream that satellite communication is carried out in each end station group；
According to the application stream for carrying out satellite communication in acquired each end station group, is assembled for each end station and empty mouth moneySource；
When the interface-free resources excess configured for some end station group, excess is allowed to use the power of interface-free resources according to end station groupThe interface-free resources for belonging to other end station groups, are scheduled to the end station group of the interface-free resources excess by limit.
The embodiment of the present invention is studied by the Operational requirements to satellite communication operator and personal user's full-serviceThe requirement of service carries out Qos scheduling using three levels that end station group, personal user, business are divided into a variety of strategies.
First level is directed to end station group, and end station group is that satellite communication operator is the minimum bandwidth that its multiple agent providesService range, each agent distribute an end station group, which is made of the affiliated agential end station.End station group can alsoRepresent virtual operator.
The specified interface-free resources ratio of each end station group configuration, and can generate strategy, if allow end station group excess to useThe interface-free resources of configuration.If the strategy being arranged is not allow excess to use, each end station group maximum can only use its configurationInterface-free resources ratio；If the strategy being arranged be allow excess in use, when other actually required bandwidth of end station group it is less, becauseWhen the interface-free resources of this its proportion have residue, the more busy end station group of business can be more than that the interface-free resources accounting of its distribution carries out skyMouth resource allocation, sufficiently uses interface-free resources that overall system throughput is maximized to reach.When the network is congested, each end station groupThe interface-free resources ratio configured does not allow other end station groups to use, unless the actually required bandwidth of some end station groups is less than correspondingInterface-free resources accounting.
The second-level dispatching strategy of each end station group of second hierarchical arrangement and the Qos configuration of the level, by personal user's tuneDegree, or dispatched by end station.
If the setting of the second level is dispatched for personal user, unite for all personal users under certain end station groupOne scheduling.It is affiliated according to the Qos requirement configured for personal user in the interface-free resources proportional region of end station group configurationAll personal users in the end station group are scheduled, and meet the Qos fairness of personal user in the end station group.Each end station groupInterior scheduling mode, it is consistent with all personal user's scheduling mode principles under traditional ground cellular based communication cell-level.
If the setting of the second level is dispatched for end station.That is all affiliated end station under an end station group carry out unified tuneDegree, rather than United Dispatching is carried out for users all under the end station group.It under this policy, is each end in the end station groupThe corresponding Qos configuration of setting of standing.All personal use under scheduling mode in each end station group, with traditional ground cellular based communication cell-levelFamily scheduling mode principle is consistent, and the personal user in Conventional communication is treated as end station.
The Qos of third level setting business.Correspondingly, third level is also according to the strategy of the second level, the range of schedulingIt is varied.
If the second level is dispatched for personal user, third level if, is directed to the different business in personal user, forThe different application type of service under some personal user under certain end station group, according to personal user's different business Qos configurationIt is required that being scheduled, the Qos fairness of different business under the personal user is realized.The dispatching party of different business under personal userFormula, it is consistent with different business scheduling mode principle under traditional ground cellular based communication personal user.
If the second level is dispatched for end station, third level is for the different business in end station group, similar personal userInterior different business carries out Qos configuration and scheduling by business.
Specifically, comprising the following steps:
Step 1, the first level scheduling node is set.End station group is divided, accounting of eating dishes without rice or wine is set, whether setting can excess useIt eats dishes without rice or wine parameter.
End station group configuration module gives each agential bandwidth requirement according to operator, and an end is respectively arranged for each agentIt stands group, is respectively that each agent divides interface-free resources occupation proportion in spectral range.All agents occupy interface-free resources ratioExample summation, no more than surplus resources ratio of the total frequency spectrum in addition to necessary system shared overhead.
Step 1.1, it formulates end station group excess and uses strategy.It is arranged for each end station group: if the practical industry of end station groupBusiness demand bandwidth is larger, and other end station group practical business demand bandwidth are less than the occupation proportion of eating dishes without rice or wine of its configuration simultaneously, then shouldEnd station group can be configured to can excess use or can not excess use.
Step 1.2, end station group must select personal user or end station as the second level scheduling node.
Step 2, the second level scheduling node is set.Each end station group selection individual is set and uses or select end station, and respectivelyPersonal user or end station Qos attribute are set.
Step 2.1, it if step 1.2 selects personal user as the second level scheduling node, is configured by following.The Qos attribute of industry routine is arranged for personal user according to user's Qos configuration strategy of operator for personal user's configuration module,It mainly include the attributes such as user gradation, inromation bandwidth rate.And the end station group belonging to it is configured for the personal user.
Step 2.2, it if step 1.2 selects end station as the second level scheduling node, is configured by following.End stationConfiguration module is the Qos attribute of terminal-station apparatus purchase of property circle routine according to the end station Qos configuration strategy of operator, mainly includes end stationThe attributes such as grade, inromation bandwidth rate.And the end station group belonging to it is configured for the end station.
Step 3, third level Qos attribute is set.
Industry routine is arranged according to the business Qos configuration strategy of operator for different business application in business configuration moduleQos attribute, mainly include the grade of service, inromation bandwidth rate, whether the attributes such as delay sensitive.
Step 4, end station group interface-free resources scheduler module runs multiple examples, and each example stands alone as one of end station groupCarry out end station scheduling in group.
Step 4.1, if step 1.2 selects personal user as the second level scheduling node, in the end station group, according toIn the end station group be already connected to satellite network and belong to the personal user of the end station group and its service application to the need of bandwidthIt asks, configure, carry out interface-free resources distribution by the usual Qos scheduling mode of industry, wherein thread is the business of personal user's gradeStream, each Business Stream are application stream of the every personal user using specific type business, and to be scheduled owned under the end station groupThe various businesses stream of personal user.Mac layer frame needed for generating physical layer group physical frame according to satellite communication protocol is buffered in thisIn end station group mac frame queue.
Step 4.2, if step 1.2 selects end station as the second level scheduling node, in the end station group, according to the endStand in group be already connected to satellite network and belong to demand to bandwidth of the end station of the end station group and its service application, configuration,Interface-free resources distribution is carried out by the usual Qos scheduling mode of industry, wherein thread is the Business Stream of end station grade, each Business StreamIt is converged by multiple personal users in the end station using same type of applied business stream, to be scheduled is institute under the end station groupThere is the various businesses stream of end station.Mac layer frame needed for generating physical layer group physical frame according to satellite communication protocol, is buffered in local terminalIn group of standing mac frame queue.
Step 5, it is scheduled between interface-free resources total allocation module distance station group.
The interface-free resources occupation proportion that interface-free resources total allocation module is configured according to each end station group, from each end station group mac frameCorresponding mac frame is taken in queue, and physical layer is submitted to carry out physical layer framing.If one of end station group practical business demand bandwidthMore than the interface-free resources occupation proportion that it is configured, and the currently practical business demand bandwidth of other end station groups is less than what it was configuredInterface-free resources accounting ratio can be used according to the excess of step 1.1 using strategy for the end station group excess, or excess does not useInterface-free resources.
Embodiment 1:
Operator respectively will configure an end station group for each agent, separate configurations Qos attribute in end station group, and independently intoRow is dispatched, and the personal user in end station group shares Qos attribute in the group, settable end station group excess or the plan that excess does not useSlightly.As shown in Figure 3 and Figure 4, comprising:
Step 101, operator is that 3 agents configure 3 end station groups using end station group configuration module, and removal system is necessary90% interface-free resources be there remains after shared overhead interface-free resources accounting for distribution.3 end station groups are respectively configured 30%, 40%,20% interface-free resources accounting.Configure 3 end station groups can excess usage mode.Select personal user's scheduling mode.
Step 102, operator utilizes personal user's configuration module, 3 class user types is arranged for personal user, and be respectivelyThe industries such as 3 seed type user configuration information rates are the Qos attribute of personal user's configuration.
Step 103, operator utilizes business configuration module, matches for voice service, real-time video traffic, internet businessSet the information rate of different business application type and various businesses, the Qos whether industries such as delay sensitive are business configuration belongs toProperty.
Step 104, according to the end station group number of configuration, 3 end station group interface-free resources scheduler module examples are run.Each skyMouth scheduling of resource module instance, respectively corresponds a configured end station group.In the end station group, it is directed to according to industry is conventionalPersonal user and business Qos scheduling mode carry out Qos scheduling, the list of scheduling according to the Qos attribute that step 102 and 103 configurePosition is the application stream of personal user's grade, and to be scheduled is the various application streams of all personal users in this end station group, and will schedulingMac frame afterwards is cached in the corresponding mac frame queue of this end station group.
Step 105, interface-free resources total allocation module is carried out according to the interface-free resources accounting that step 101 is the configuration of each end station groupDistribution.
Step 106, according to step 105, if this 3 end station groups have the actually required bandwidth overage of part end station group, and itsBandwidth needed for his end station group is currently practical is less than its configured occupation proportion, according to the excess of step 101 using strategy, if canExcess use, then can excess be part end station group be allocated scheduling, otherwise can only be by the configured each end station group institute of step 101Accounting example is allocated scheduling.If 3 end station groups are all more than its allocation ratio without actually required bandwidth, match by step 101Each end station group proportion set is allocated scheduling.
Step 107, according to step 105,106, mac frame is taken out from the mac frame queue cached in step 104, is submitted to objectIt manages layer and carries out framing.
Step 108, circulation executes step 104~107.
Embodiment 2:
Operator respectively will configure an end station group for each agent, separate configurations Qos attribute in end station group, and independently intoRow is dispatched, and the end station in end station group shares Qos attribute in the group, settable end station group excess or the strategy that excess does not use.Such asShown in Fig. 5 and Fig. 6, comprising:
Step 201, operator is that 3 agents configure 3 end station groups using end station group configuration module, and removal system is necessary90% interface-free resources be there remains after shared overhead interface-free resources accounting for distribution.3 end station groups are respectively configured 30%, 40%,20% interface-free resources accounting.Configure the excess usage mode of 3 end station groups.Select end station scheduling mode.
Step 202, operator utilizes end station configuration module, and 3 seed types, and respectively 3 seed type end station are arranged for end stationThe industries such as configuration information rate are the Qos attribute of end station configuration.
Step 203, operator utilizes business configuration module, matches for voice service, real-time video traffic, internet businessSet different brackets and various businesses information rate, whether the industries such as delay sensitive be business configuration Qos attribute.
Step 204, according to the end station group number of configuration, 3 end station group interface-free resources scheduler module examples are run.Each skyMouth scheduling of resource module instance, respectively corresponds a configured end station group.In the end station group, it is directed to according to industry is conventionalEnd station and business Qos scheduling mode carry out Qos scheduling according to the Qos attribute that step 202 and 203 configure, and the minimum of scheduling is singlePosition is the application stream of end station grade, to be scheduled to be the various application streams of each end station in this end station group, and the mac frame after scheduling is delayedIt is stored in the corresponding mac frame queue of this end station group.
Step 205, interface-free resources total allocation module is carried out according to the interface-free resources accounting that step 201 is the configuration of each end station groupDistribution.
Step 206, according to step 205, if this 3 end station groups have the actually required bandwidth overage of part end station group, and itsBandwidth needed for his end station group is currently practical is less than its configured occupation proportion, according to the excess of step 201 using strategy, if canExcess use, then can excess be part end station group be allocated scheduling, otherwise can only be by the configured each end station group institute of step 201Accounting example is allocated scheduling.If 3 end station groups are all more than its allocation ratio without actually required bandwidth, match by step 201Each end station group proportion set is allocated scheduling.
Step 207, according to step 205,206, mac frame is taken out from the mac frame queue cached in step 204, is submitted to objectIt manages layer and carries out framing.
Step 208, circulation executes step 204~207.
The scheme provided according to embodiments of the present invention is studied by the Operational requirements to satellite communication operator, withAnd the requirement of personal user's full-service service presses end station group, user or end station, industry using the scheduling mode of multiple levels respectivelyBusiness hierarchical is independently dispatched, and is provided the optional strategy that excess uses bandwidth allocation, is finally converged scheduling result, reach each levelNeeded for operator is pressed in scheduling bandwidth distribution, and sufficiently improve throughput of system.
Although describing the invention in detail above, but the invention is not restricted to this, those skilled in the art of the present techniqueIt can be carry out various modifications with principle according to the present invention.Therefore, all to be modified according to made by the principle of the invention, all it should be understood asFall into protection scope of the present invention.