CN104853442A - Wireless resource rapid scheduling method and system and access equipment - Google Patents
Wireless resource rapid scheduling method and system and access equipment Download PDFInfo
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- CN104853442A CN104853442A CN201410054765.3A CN201410054765A CN104853442A CN 104853442 A CN104853442 A CN 104853442A CN 201410054765 A CN201410054765 A CN 201410054765A CN 104853442 A CN104853442 A CN 104853442A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
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- H04W72/00—Local resource management
- H04W72/12—Wireless traffic scheduling
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Abstract
The invention provides a wireless resource rapid scheduling method and system and access equipment in a LTE230 system; the method comprises the following steps: S0, the access equipment determines whether a present business needs UE response data return business or not, if yes, S1 is executed; S1, calling assigned UE, and issuing a downlink authorization; S2, receiving ACK returned by the UE, and sending data; S3, sending EndingBSRs of a first preset value when sending data cache is empty; S4, determining whether the access equipment in an uplink process receives a SR sent by the UE or not, if yes, issuing a close authorization, if no, executing S5; S5, sending one EndingBSR, determining whether the access equipment in the uplink process receives the SR sent by the UE or not, if yes, issuing the close authorization, if no, executing S6; S6, determining whether the number of sent EndingBSRs is bigger than a second preset value or not, if yes, issuing the close authorization, if no, executing S5. The method, system and access equipment can reduce time delay of the UE returning response data.
Description
Technical field
The present invention relates to communication technical field, particularly relate to a kind of Radio Resource fast dispatch method and system and access device.
Background technology
LTE(Long Term Evolution, long evolving system) 230 systems work in 230,000,000 frequency ranges, towards the wireless network that power system of data acquisition, distribution control, video communication etc. are applied.The network configuration of LTE230 system comprises: service terminal, Access Network, core net, main website and operation maintenance center etc., see Fig. 1.
Terminal comprises service terminal and communication terminal module.Service terminal is the general designation of power system service performer, comprises collector, concentrator, control switch, video camera etc.User terminal carries out wireless transmission as communication terminal module to data.
Access Network provides the wireless link between terminal and core net, is made up of one or more access device.Access Network, by air interface and serial communication, is responsible for the transmission of wireless signal, reception and RRM.Access Network is connected with core net by S1 interface on the other hand, is responsible for the route of user profile to core net, the encipherment protection of signaling and data, and the compression of IP head etc.Concrete function comprises: the call access control of communication terminal module, radio bearer control, allocation of radio resources and scheduling, air interface security control etc.Access device have employed the technology such as carrier aggregation, power control, can flexible dispatching frequency resource; Meanwhile, between multiple cell, seamless link is supported; Adopt Inter-Cell Interference Coordination and suppression technology at cell edge, reduce the interference of Cell Edge User, promote cell capacity further.
The intrasystem resource management of core net primary responsibility, signaling and business data processing etc.; Meanwhile, core net provides again terminal authentication, IP address of terminal management etc.; Core net is directly connected with main website, forwards terminal data, and safeguard the state of the whole network user by SGi interface.
Operation maintenance center, provides configuration management, fault management, performance management, daily record, safety and expanded function thereof, can improve the application network O&M efficiency in electrical network, farthest reduces network operation maintenance cost.
Main website is the information gathering control centre of electric power wireless broadband system, primary responsibility terminal control and information monitoring.
LTE230 system is by core net, Access Network and UE(User Equipment, subscriber equipment) between service terminal and main website, set up one based on TCP/IP(TransmissionControl Protocol/Internet Protocol, the mutual agreement in transmission control protocol/internet) data cube computation of agreement.
In order to save the expense of control channel, the up-downgoing scheduling of LTE230 all adopts semi-persistent scheduling.When UE has data upload, first send SR(Scheduling Request to Access Network, dispatch request), Access Network issues up open command after receiving the SR of UE.After UE receives up open command, just data can be sent.Each UE is setting up RRC(Radio ResourceControl, radio resource control) be assigned to a SR resource when connecting.The SR resource of UE exclusively enjoys, and can ensure that the SR of different UEs can not clash like this.
The UpPts(base station ascending pilot frequency of each frame) on, except DRX(DiscontinuousReception, discontinuous reception) paging frame and quiet frame, be all assigned to the position of SR request.Every 8 continuous print SR Resourse Distribute give 8 adjacent community uses, and each community takies a SR resource; There were 5 SR resources each community in one second; There are 8 orthogonal codes in SR resource in uplink frame, distribute to 7 users of this community by the mode of code division multiplexing, retain a code resource and adjust SR resource as fast.
In said system, the UE number that a frequency adheres to by the number of SR resource and the spendable SR number of resources of UE per second limit.Such as: a community of LTE230 system is per second has 40 SR resources to use.If wish that the dispatching response time of UE is 1 second, UE 1 SR resource per second must be distributed to.A frequency can adhere at most 40 UE.If wish that increasing UE adheres to number, such as can adhere to 80 UE, so each UE can only have a SR to use every 2 seconds.The reaction time delay of such UE has been lengthened to 2 seconds.
In order to reduce the reaction time delay of UE, in prior art, adopt following methods: for LTE230 system loading service control, main website issues control command, and Access Network first opens downlink transfer business, and UE needs to return reply data.When UE carries out downlink transfer, the fast dispatch SR resource that UE can use this frequency reserved, such UE has an opportunity to send SR thus accelerates the reaction speed of UE before downlink transfer terminates.The interval of fast dispatch SR resource is 0.2 second, if downlink transfer terminates, and UE just initiates uplink, and UE likely will have no chance to use fast dispatch SR resource.For load control terminal, after receiving the instruction that main website issues, actuator performs instruction, checks instruction executing state, sends instruction executing state.At this time, downlink transfer may be closed, and UE must wait for oneself SR resource.
Visible by foregoing description, in LTE230 system, for the business needing UE to return reply data, when UE carries out downlink transfer, the fast dispatch SR resource that UE can use this frequency reserved, but because the interval time of fast dispatch SR resource is shorter, if downlink transfer terminates, and UE just initiates uplink, UE likely will have no chance to use fast dispatch SR resource, UE does not use fast dispatch SR resource, and can only wait for the SR resource of oneself, the time that UE returns reply data is longer.
Summary of the invention
The invention provides a kind of Radio Resource fast dispatch method and system and access device, the time delay that UE returns reply data can be reduced.
First aspect, the invention provides a kind of Radio Resource fast dispatch method in LTE230 system, described method comprises:
S0: access device judges whether current business is the business needing user equipment (UE) to return reply data, if so, then performs S1;
S1: UE is specified in access device paging, issues downstream grants;
S2: after access device receives the acknowledge character ACK of UE feedback, sends data;
S3: when sending data buffer storage and being empty, access device sends the first default value EndingBSR;
S4: access device judges whether to have received in the up process of access device the dispatch request SR that UE sends, if so, then issues to close and authorizes, otherwise, perform S5;
S5: access device sends an EndingBSR, judges whether to have received in the up process of access device the dispatch request SR that UE sends, and if so, then issues to close and authorizes, otherwise, perform S6;
S6: access device judges whether the number of the EndingBSR sent is greater than the second default value, if so, then issues to close and authorizes, otherwise, perform S5;
Wherein, described first default value is less than described second default value.
Further, judge that whether current business is need before UE returns the business of reply data, to comprise further described:
Main website sends the control command of current business at the IP port of specifying;
Packet data gateway PDN-GW filters described IP port and obtains the data after filtering, and is transmitted by the QCI specified of the data acquisition after described filtration;
Data after described filtration are sent to access device by Core Network Service gateway.
Further, describedly judge whether current business is the business needing UE to return reply data, comprising:
After the data after described filtration are sent to access device by Core Network Service gateway, according to the QCI information that the data after described filtration are carried, access device judges whether current business is the business needing UE to return reply data.
Further, the setting principle of described first default value and the second default value comprises: arrange according to number of services.
Further, the setting principle of described first default value and the second default value comprises: the requirement according to signaling consumption is arranged.
Second aspect, the invention provides the access device in a kind of LTE230 system, described access device comprises:
First judging unit, for judging whether current business is the business needing user equipment (UE) to return reply data, if so, then notified on authorization unit;
Granted unit, specifies UE for paging, issues downstream grants;
Data transmission unit, for receive UE feedback acknowledge character ACK after, send data;
One EndingBSR transmitting element, for when sending data buffer storage and being empty, sends the first default value EndingBSR, notifies the second judging unit;
Second judging unit, for judge access device up process in whether received the dispatch request SR that UE sends, if so, then notice closes granted unit, otherwise, notify the 2nd EndingBSR transmitting element;
Closing granted unit, authorizing for issuing to close;
3rd judging unit, for judge access device up process in whether received the dispatch request SR that UE sends, if so, then notice closes granted unit, otherwise, notify the 4th judging unit;
2nd EndingBSR transmitting element, for sending an EndingBSR, notifies the 3rd judging unit;
4th judging unit, for judging whether the number of the EndingBSR sent is greater than the second default value, if so, then notice closes granted unit, otherwise, notify the 2nd EndingBSR transmitting element;
Wherein, described first default value is less than described second default value.
Further, the setting principle of described first default value and the second default value comprises: arrange according to number of services.
Further, the setting principle of described first default value and the second default value comprises: the requirement according to signaling consumption is arranged.
The third aspect, the invention provides the Radio Resource fast dispatch system of the arbitrary access device based on first aspect in a kind of LTE230 system, described system comprises:
Arbitrary access device in first aspect, main website, packet data gateway PDN-GW, Core Network Service gateway;
Described main website, for sending the control command of current business at the IP port of specifying;
Described PDN-GW, obtaining the data after filtering for filtering described IP port, being transmitted by the QCI specified of the data acquisition after described filtration;
Described Core Network Service gateway, for the data after described filtration are sent to access device, notifies the first judging unit;
Described first judging unit, the QCI information also for carrying according to the data after described filtration judges whether current business is the business needing UE to return reply data.
A kind of Radio Resource fast dispatch method and system provided by the invention and access device, when sending data buffer storage and being empty, waiting for that UE sends SR by sending EndingBSR, the possibility that UE uses fast dispatch SR resource can be increased, and then reduce the time delay that UE returns reply data.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is LTE230 system configuration schematic diagram of the prior art;
Fig. 2 is the Radio Resource fast dispatch method flow diagram in a kind of LTE230 system of providing of the embodiment of the present invention 1;
Fig. 3 is the access device in a kind of LTE230 system of providing of the embodiment of the present invention 2;
Fig. 4 is the Radio Resource fast dispatch method flow diagram in a kind of LTE230 system of providing of the embodiment of the present invention 4.
Embodiment
For making the object of the embodiment of the present invention, technical scheme and advantage clearly; below in conjunction with the accompanying drawing in the embodiment of the present invention; technical scheme in the embodiment of the present invention is clearly and completely described; obviously; described embodiment is the present invention's part embodiment, instead of whole embodiments, based on the embodiment in the present invention; the every other embodiment that those of ordinary skill in the art obtain under the prerequisite not making creative work, all belongs to the scope of protection of the invention.
Embodiment 1:
Embodiments provide a kind of Radio Resource fast dispatch method in LTE230 system, see Fig. 2, the method comprises:
S0: access device judges whether current business is the business needing UE to return reply data, if so, then performs S1;
S1: UE is specified in access device paging, issues downstream grants;
S2: access device receives the ACK((Acknowledgement of UE feedback, acknowledge character) after, send data;
S3: when sending data buffer storage and being empty, access device sends the first default value EndingBSR;
S4: access device judges whether to have received in the up process of access device the SR that UE sends, if so, then issues to close and authorizes, otherwise, perform S5;
S5: access device sends an EndingBSR, judges whether to have received in the up process of access device the SR that UE sends, and if so, then issues to close and authorizes, otherwise, perform S6;
S6: access device judges whether the number of the EndingBSR sent is greater than the second default value, if so, then issues to close and authorizes, otherwise, perform S5;
Wherein, described first default value is less than described second default value.
A kind of Radio Resource fast dispatch method that the embodiment of the present invention provides, when sending data buffer storage and being empty, waiting for that UE sends SR by sending EndingBSR, the possibility that UE uses fast dispatch SR resource can be increased, and then reduce the time delay that UE returns reply data.
Wherein, in S6, the EndingBSR number that statistics sends comprises the EndingBSR number sent in step S3.
Wherein, before step S0, process current business, whether convenient be that the business needing UE to return reply data judges to current business, and concrete steps comprise:
Main website sends the control command of current business at the IP port of specifying;
PDN-GW(Packet Data Network Gateway, packet data gateway) data after obtaining filtration are filtered to described IP port, the QCI specified (QoS Class Identifier) of the data acquisition after described filtration is transmitted;
Data after described filtration are sent to access device by Core Network Service gateway.
After to current business process, whether be that the business needing UE to return reply data judges to current business, specifically comprise:
Describedly judge whether current business is the business needing UE to return reply data, comprising:
After the data after described filtration are sent to access device by Core Network Service gateway, according to the QCI information that the data after described filtration are carried, access device judges whether current business is the business needing UE to return reply data.
In addition, the setting principle of described first default value and the second default value comprises: arrange according to number of services; Requirement according to signaling consumption is arranged.
In step so), when access device judges that current business is not that when needing user equipment (UE) to return the business of reply data, the method conventionally carries out process current business.
Embodiment 2:
The embodiment of the present invention provides the access device in a kind of LTE230 system, and see Fig. 3, described access device comprises:
First judging unit 201, for judging whether current business is the business needing UE to return reply data, if so, then notified on authorization unit 202;
Granted unit 202, specifies UE for paging, issues downstream grants;
Data transmission unit 203, for receive UE feedback ACK after, send data;
One EndingBSR transmitting element 204, for when sending data buffer storage and being empty, sends the first default value EndingBSR, notifies the second judging unit 205;
Second judging unit 205, for judge access device up process in whether received the SR that UE sends, if so, then notice closes granted unit 206, otherwise, notify the 2nd EndingBSR transmitting element 208;
Closing granted unit 206, authorizing for issuing to close;
3rd judging unit 207, for judge access device up process in whether received the SR that UE sends, if so, then notice closes granted unit 206, otherwise, notify the 4th judging unit 209;
2nd EndingBSR transmitting element 208, for sending an EndingBSR, notifies the 3rd judging unit 207;
4th judging unit 209, for judging whether the number of the EndingBSR sent is greater than the second default value, if so, then notice closes granted unit 206, otherwise, notify the 2nd EndingBSR transmitting element 208;
Wherein, described first default value is less than described second default value.
Wherein, the setting principle of described first default value and the second default value comprises: arrange according to number of services; Requirement according to signaling consumption is arranged.
The content such as information interaction, implementation between each unit in the said equipment, subelement, due to the inventive method embodiment based on same design, particular content can see in the inventive method embodiment describe, repeat no more herein.
Embodiment 3:
Embodiments provide the Radio Resource fast dispatch system of the access device in the embodiment 2 in a kind of LTE230 system, this system comprises:
Access device, main website, packet data gateway PDN-GW, Core Network Service gateway;
Described main website, for sending the control command of current business at the IP port of specifying;
Described PDN-GW, obtaining the data after filtering for filtering described IP port, being transmitted by the QCI specified of the data acquisition after described filtration;
Described Core Network Service gateway, for the data after described filtration are sent to access device, notifies the first judging unit;
Described first judging unit, the QCI information also for carrying according to the data after described filtration judges whether current business is the business needing UE to return reply data.
The content such as information interaction, implementation between each unit in the said equipment, subelement, due to the inventive method embodiment based on same design, particular content can see in the inventive method embodiment describe, repeat no more herein.
Embodiment 4:
Describe one embodiment of the present of invention in detail below by the process of network load service control, see Fig. 4, specifically comprise:
Step 301: main website sends the control command of current business at the IP port of specifying;
Step 302:PDN-GW filters described IP port and obtains the data after filtering, and is transmitted by the QCI specified of the data acquisition after described filtration;
Step 303: the data after described filtration are sent to access device by Core Network Service gateway;
Step 304: access device judges whether it is network load service control according to described QCI, if so, then performs step 305;
Step 305: UE is specified in access device paging, issues downstream grants;
Step 306: after access device receives the ACK of UE feedback, sends data;
Step 307: when sending data buffer storage and being empty, access device sends the first default value EndingBSR;
Step 308: access device judges whether to have received in the up process of access device the SR that UE sends, if so, then issues to close and authorizes, otherwise, perform step 309;
Step 309: access device sends an EndingBSR, judges whether to have received in the up process of access device the SR that UE sends, and if so, then issues to close and authorizes, otherwise, perform step 310;
Step 310: access device judges whether the number of the EndingBSR sent is greater than the second default value, if so, then issues to close and authorizes, otherwise, perform step 309.
Wherein, network load service control needs user equipment (UE) to return one in the business of reply data.
Visible by foregoing description, the embodiment of the present invention has following beneficial effect:
A kind of Radio Resource fast dispatch method and system that the embodiment of the present invention provides and access device, when sending data buffer storage and being empty, waiting for that UE sends SR by sending EndingBSR, the possibility that UE uses fast dispatch SR resource can be increased, and then reduce the time delay that UE returns reply data.
It should be noted that, in this article, the relational terms of such as first and second and so on is only used for an entity or operation to separate with another entity or operating space, and not necessarily requires or imply the relation that there is any this reality between these entities or operation or sequentially.And, term " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability, thus make to comprise the process of a series of key element, method, article or equipment and not only comprise those key elements, but also comprise other key elements clearly do not listed, or also comprise by the intrinsic key element of this process, method, article or equipment.When not more restrictions, the key element limited by statement " comprising ... ", and be not precluded within process, method, article or the equipment comprising described key element and also there is other identical factor.
One of ordinary skill in the art will appreciate that: all or part of step realizing said method embodiment can have been come by the hardware that program command is relevant, aforesaid program can be stored in the storage medium of embodied on computer readable, this program, when performing, performs the step comprising said method embodiment; And aforesaid storage medium comprises: ROM, RAM, magnetic disc or CD etc. various can be program code stored medium in.
Finally it should be noted that: the foregoing is only preferred embodiment of the present invention, only for illustration of technical scheme of the present invention, be not intended to limit protection scope of the present invention.All any amendments done within the spirit and principles in the present invention, equivalent replacement, improvement etc., be all included in protection scope of the present invention.
Claims (9)
1. the Radio Resource fast dispatch method in LTE230 system, it is characterized in that, described method comprises:
S0: access device judges whether current business is the business needing user equipment (UE) to return reply data, if so, then performs S1;
S1: UE is specified in access device paging, issues downstream grants;
S2: after access device receives the acknowledge character ACK of UE feedback, sends data;
S3: when sending data buffer storage and being empty, access device sends the first default value EndingBSR;
S4: access device judges whether to have received in the up process of access device the dispatch request SR that UE sends, if so, then issues to close and authorizes, otherwise, perform S5;
S5: access device sends an EndingBSR, judges whether to have received in the up process of access device the dispatch request SR that UE sends, and if so, then issues to close and authorizes, otherwise, perform S6;
S6: access device judges whether the number of the EndingBSR sent is greater than the second default value, if so, then issues to close and authorizes, otherwise, perform S5;
Wherein, described first default value is less than described second default value.
2. method according to claim 1, is characterized in that, judges that whether current business is need before UE returns the business of reply data, to comprise further described:
Main website sends the control command of current business at the IP port of specifying;
Packet data gateway PDN-GW filters described IP port and obtains the data after filtering, and is transmitted by the QCI specified of the data acquisition after described filtration;
Data after described filtration are sent to access device by Core Network Service gateway.
3. method according to claim 2, is characterized in that, describedly judges whether current business is the business needing UE to return reply data, comprising:
After the data after described filtration are sent to access device by Core Network Service gateway, according to the QCI information that the data after described filtration are carried, access device judges whether current business is the business needing UE to return reply data.
4. method according to claim 1, is characterized in that, the setting principle of described first default value and the second default value comprises: arrange according to number of services.
5. method according to claim 1, is characterized in that, the setting principle of described first default value and the second default value comprises: the requirement according to signaling consumption is arranged.
6. the access device in LTE230 system, is characterized in that, described access device comprises:
First judging unit, for judging whether current business is the business needing user equipment (UE) to return reply data, if so, then notified on authorization unit;
Granted unit, specifies UE for paging, issues downstream grants;
Data transmission unit, for receive UE feedback acknowledge character ACK after, send data;
One EndingBSR transmitting element, for when sending data buffer storage and being empty, sends the first default value EndingBSR, notifies the second judging unit;
Second judging unit, for judge access device up process in whether received the dispatch request SR that UE sends, if so, then notice closes granted unit, otherwise, notify the 2nd EndingBSR transmitting element;
Closing granted unit, authorizing for issuing to close;
3rd judging unit, for judge access device up process in whether received the dispatch request SR that UE sends, if so, then notice closes granted unit, otherwise, notify the 4th judging unit;
2nd EndingBSR transmitting element, for sending an EndingBSR, notifies the 3rd judging unit;
4th judging unit, for judging whether the number of the EndingBSR sent is greater than the second default value, if so, then notice closes granted unit, otherwise, notify the 2nd EndingBSR transmitting element;
Wherein, described first default value is less than described second default value.
7. access device according to claim 6, is characterized in that, the setting principle of described first default value and the second default value comprises: arrange according to number of services.
8. access device according to claim 6, is characterized in that, the setting principle of described first default value and the second default value comprises: the requirement according to signaling consumption is arranged.
9. the Radio Resource fast dispatch system based on the arbitrary access device in claim 6 to 8 in LTE230 system, it is characterized in that, described system comprises:
Arbitrary access device in claim 6 to 8, main website, packet data gateway PDN-GW, Core Network Service gateway;
Described main website, for sending the control command of current business at the IP port of specifying;
Described PDN-GW, obtaining the data after filtering for filtering described IP port, being transmitted by the QCI specified of the data acquisition after described filtration;
Described Core Network Service gateway, for the data after described filtration are sent to access device, notifies the first judging unit;
Described first judging unit, the QCI information also for carrying according to the data after described filtration judges whether current business is the business needing UE to return reply data.
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| CN107332822A (en) * | 2017-06-01 | 2017-11-07 | 国网浙江省电力公司嘉兴供电公司 | The means of defence of radio channel |
| US10869272B2 (en) | 2016-03-03 | 2020-12-15 | Huawei Technologies Co., Ltd. | Communication method and apparatus applied to hyper cell |
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| KR101233186B1 (en) * | 2010-10-21 | 2013-02-15 | 엘지전자 주식회사 | Method and apparutus for transmitting control information |
| CN102984664A (en) * | 2011-09-05 | 2013-03-20 | 普天信息技术研究院有限公司 | Method for controlling terminals |
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| US10869272B2 (en) | 2016-03-03 | 2020-12-15 | Huawei Technologies Co., Ltd. | Communication method and apparatus applied to hyper cell |
| CN106856627A (en) * | 2016-12-21 | 2017-06-16 | 国网四川省电力公司眉山供电公司 | It is adapted to the SR collocation methods of fast dispatch |
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| CN104853442B (en) | 2018-09-11 |
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