CN102573089B - Method for reporting buffer state report in broadband cluster system - Google Patents
Method for reporting buffer state report in broadband cluster system Download PDFInfo
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- CN102573089B CN102573089B CN201010586203.5A CN201010586203A CN102573089B CN 102573089 B CN102573089 B CN 102573089B CN 201010586203 A CN201010586203 A CN 201010586203A CN 102573089 B CN102573089 B CN 102573089B
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Abstract
The invention discloses a method for reporting a buffer state report (BSR) in a broadband cluster system. The BSRs respectively used for notifying a cluster service data buffer state and notifying a non-clustered service data buffer state are distinguished, and different logical channel identifiers are configured for the cluster BSR and the non-clustered BSR, in this way, after receiving a MAC PDU, a network side can distinguish the cluster service and the non-clustered service according to the logical channel identifiers packaged in the MAC PDU so as to preferentially perform uplink scheduling for the cluster service, so that the priority of the cluster service is reflected in the scheduling strategy.
Description
Technical field
The present invention relates to the communications field, particularly the report method of buffer state report in broadband cluster system (BSR, Buffer State Report).
Background technology
Broadband cluster system refers to the system of compatible broadband cluster and broadband wireless public network business, the system construction drawing that Fig. 1 is broadband cluster system, and whole system is divided into three layers, and the superiors are core net, and intermediate layer is wireless access subsystem, and smallest tier is terminal.When terminal has business datum to transmit to network side, terminal and network side are followed standard long-term evolution (LTE, Long Term Evolution) point-to-point communication rule.The business of terminal support comprises following several:
The first, as the caller of cluster multi call business, signalling of bouquet group calling, the business of the terminal of Fig. 1 rightmost side is exactly cluster multi call;
The second, as the caller of cluster individual calling or called, initiate or accept cluster individual calling, the business of the terminal of Fig. 1 leftmost side is exactly cluster individual calling;
Three, as the caller of common non cluster service or called, initiate or accept non cluster service; The non cluster service here refers to the business such as voice, Streaming Media and FTP that public network provides, and the business of the terminal in the middle of Fig. 1 is exactly non cluster service.
Fig. 2 be the terminal shown in Fig. 1 to the flow chart of network side service data transmission, this flow process comprises:
Step 201: terminal and network side are carried out Radio Resource and controlled (RRC, Radio Resource Control) connection procedure.
Step 202: terminal sends dispatch request (SR, Scheduling Request) to network side, obtains the first uplink authorization of network side (DCI 0).
This step is called SR process.
Step 203: terminal sends and contains BSR and data to network side, or only contains the PUSCH data of BSR.
This step is called transmitting uplink data process.
In terminal, different buffer areas divide into groups according to the priority of corresponding radio bearer, be called logic channel group, while having business datum to send in certain logic channel group, terminal just, by report the buffer status of business datum in this logic channel group of BSR informing network side to network side, makes network side to this logic channel group, carry out uplink scheduling according to BSR.
Fig. 3 is the form schematic diagram of BSR in prior art.What be arranged in Fig. 3 top is the short BSR form of 1 byte, comprise logic channel group sign (LCG ID) and cache size (Buffer Size), wherein logic channel group sign value is 0～3, and value is less represents that the priority of this logic channel group is higher.What be arranged in Fig. 3 below is the long BSR form of 3 bytes, comprises the cache size of four logic channel groups, and the priority that comes logic channel group corresponding to cache size is above higher.When terminal only has certain logic channel group to have the business datum that needs transmission, use short BSR form to report, when the business datum that has a plurality of logic channel groups to have need to send when terminal but ascending resource are not enough to send long BSR form, select the logic channel group that priority is the highest and use short BSR form to report, this brachymemma BSR form that is in particular cases often otherwise known as.Except above-mentioned situation, all use long BSR form to report.
Terminal is using BSR as media access control (MAC, Media Access Control) control unit (CE of layer, Control Element), multiplexing generation Medium Access Control (MAC) Protocol Data Unit (PDU, Protocol Data Unit) to network side, report, Fig. 4 is the form schematic diagram of MAC PDU, MAC PDU comprises MAC head (header) and MAC payload (payload) two parts, wherein in MAC head, comprise some sub-heads, every height head is a subelement of co-located in corresponding MAC payload in order.Terminal reports BSR with the R/R/E/LCID head shown in Fig. 4, wherein R is reserved bit, value is 0, E is expansion sign, represent that next bit is son head or payload, LCID is Logic Channel Identifier, according to default regular value, for example terminal to report be short BSR form time a corresponding value, report be long BSR form time correspondence another value etc.BSR is specifically carried at a subelement in the payload that R/R/E/LCID head is corresponding.
Network configuration based on shown in Fig. 1, terminal in broadband cluster system is when reporting BSR to network side, in logic channel group, needing the business datum of transmission may be group service data, also may be non cluster service data, but BSR report method of the prior art cannot make network side distinguish this two kinds of business, network side just cannot carry out preferential uplink scheduling to group service like this, cannot embody from scheduling strategy the priority of group service.
Summary of the invention
The invention provides the report method of BSR in a kind of broadband cluster system, can report different BSR for group service and non cluster service, make network side preferentially to group service, carry out uplink scheduling.
Technical scheme of the present invention is achieved in that
A report method for buffer state report in broadband cluster system, key is, for the cluster BSR of notice group service data buffer storage state with for notifying the non-cluster BSR of non cluster service data buffer storage state, configures respectively different Logic Channel Identifiers; The method also comprises:
A, according to the type of business datum, generate BSR;
B, the BSR based on generating and corresponding Logic Channel Identifier thereof, multiplexing generation MAC PDU;
C, to network side, send MAC PDU.
Visible, the report method of BSR in the present invention, not only distinguished the BSR of notice group service data buffer storage state and notice non cluster service data buffer storage state, also configured different Logic Channel Identifiers for cluster BSR and non-cluster BSR, network side is after receiving MAC PDU like this, by the Logic Channel Identifier wherein encapsulating, just can distinguish group service and non cluster service, thereby group service is carried out to preferential uplink scheduling, from scheduling strategy, embody the priority of group service.
Accompanying drawing explanation
Fig. 1 is the system construction drawing of compatible broadband cluster and broadband wireless public network business;
Fig. 2 is that the terminal shown in Fig. 1 is to the flow chart of network side service data transmission;
Fig. 3 is the form schematic diagram of BSR in prior art;
Fig. 4 is the form schematic diagram of MAC PDU;
Fig. 5 is the flow chart of the report method of BSR of the present invention;
Fig. 6 is the schematic diagram of the form of cluster BSR in the present invention;
Fig. 7 is the flow chart of the report method of BSR in the embodiment of the present invention.
Embodiment
For making objects and advantages of the present invention clearer, below in conjunction with drawings and Examples, the present invention is described in further detail.
The present invention is divided into two types by BSR for group service and non cluster service, and wherein the BSR to network side notice group service data buffer storage state is called cluster BSR, to network side, notifies the BSR of non cluster service data buffer storage state to be called non-cluster BSR.
The present invention is that above-mentioned cluster BSR and non-cluster BSR configure different Logic Channel Identifiers.
Fig. 5 is the flow chart of the report method of BSR of the present invention, and this flow process comprises:
Step 501: generate BSR according to the type of business datum.
Step 502: the BSR based on generating and corresponding Logic Channel Identifier thereof, multiplexing generation MACPDU.
Step 503: send MAC PDU to network side.
Visible, the report method of BSR in the present invention, not only distinguished the BSR of notice group service data buffer storage state and notice non cluster service data buffer storage state, also configured different Logic Channel Identifiers for cluster BSR and non-cluster BSR, network side is after receiving MAC PDU like this, by the Logic Channel Identifier wherein encapsulating, just can distinguish group service and non cluster service, thereby group service is carried out to preferential uplink scheduling, from scheduling strategy, embody the priority of group service.
Provide the embodiment of the inventive method below.
In the present embodiment, the form of cluster BSR comprises short BSR form, long BSR form and brachymemma BSR form, and Fig. 6 is the schematic diagram of the form of cluster BSR in the present invention.Shown in Fig. 6 top is short BSR form, comprises service identification and cache size two parts, the logic channel group of the class group service that wherein service identification indication priority is identical, or be less than or equal at 4 o'clock at group service sum, indicate a group service; Identical with non-cluster BSR of the implication of cache size.Short BSR form is 1 byte, can only notify the business datum buffer status of a logic channel group, and service identification wherein takies 2 bits, and value is 0～3, and value is less, and the priority of representative is higher.Shown in Fig. 6 below is long BSR form, comprises the cache size of four logic channel groups, and is arranged in order according to the priority sequence of logic channel group.Long BSR form is 3 bytes.When the group service data that have a plurality of logic channel groups to have need to send when terminal but ascending resource are not enough to send long BSR form, select the logic channel group that priority is the highest also to use short BSR form to report, this special circumstances are called brachymemma BSR form.
In the present embodiment, the value principle of the Logic Channel Identifier that cluster BSR and non-cluster BSR difference are corresponding as shown in Table 1.For non-cluster BSR, brachymemma BSR value is 11100, and short BSR is 11101, and long BSR is 11110.For cluster BSR, value in 01011～11001 scope that retains (Reserved) section, its short-and-medium BSR, long BSR and brachymemma BSR select respectively different values within the scope of this.The CCCH section that the Logic Channel Identifier section of span shown in table one in 00001～01010 scope, filling (padding) section that value is 11111 and value are 00000, be the content of stipulating in existing LTE standard, the common practise that its implication is this area.
Table one
Value for fear of the Logic Channel Identifier of cluster BSR is conflicted mutually with standard LTE regulation, the Logic Channel Identifier of cluster BSR can be configured by space interface signaling by high level, the space interface signaling here refers to the configuration messages of collocating uplink shared channel, for example at RRC, connect in the MAC-MainConfig IE set up message the configuration about ul-SCH-Config, increase the information of the Logic Channel Identifier of cluster BSR, or can also connect the information that increases the Logic Channel Identifier of cluster BSR in reallocation message at RRC.
Fig. 7 is the flow chart of the report method of BSR in the embodiment of the present invention, and this flow process comprises:
Step 701: judge whether to need the business datum of transmission, if so, execution step 702, otherwise process ends.
Step 702: according to traffic data type, generate cluster BSR and/or non-cluster BSR.
In this step, may exist group service data or non cluster service data to need to send, or these two kinds of business datums all need to send, need to, for every kind of traffic data type, generate corresponding BSR.
Step 703: the BSR based on generating and corresponding Logic Channel Identifier thereof, according to the multiplexing generation of multiplexing rule MAC PDU.
In this step, multiplexing rule can comprise: if having cluster BSR in the BSR that step 702 generates, only multiplexing cluster BSR carries out; If current uplink authorization is abundant, in the BSR that step 702 generates, existing cluster BSR also has non-cluster BSR, this step can first multiplexing cluster BSR, multiplexing non-cluster BSR again, and generate a MAC PDU; If the BSR that step 702 generates only has non-cluster BSR, the multiplexing non-cluster BSR of this step.
Step 704: MAC PDU is sent in uplink frame to network side by eating dishes without rice or wine.
In sum, these are only preferred embodiment of the present invention, be not intended to limit protection scope of the present invention.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (7)
1. the report method of a buffer state report in broadband cluster system, it is characterized in that, for the cluster cache status report BSR of notice group service data buffer storage state with for notifying the non-cluster BSR of non cluster service data buffer storage state, configure respectively different Logic Channel Identifiers; The method also comprises:
A, according to the type of business datum, generate BSR;
B, the BSR based on generating and corresponding Logic Channel Identifier thereof, multiplexing generation media access control protocol data unit MAC PDU;
C, to network side, send MAC PDU;
Described in step B, multiplexing generation MAC PDU is: according to the multiplexing generation of multiplexing rule MAC PDU;
Described multiplexing rule comprises:
If the BSR generating comprises cluster BSR, only multiplexing cluster BSR;
If uplink authorization is sufficient, and both comprised that cluster BSR also comprised non-cluster BSR in the BSR generating, first multiplexing cluster BSR is multiplexing non-cluster BSR again, generates a MAC PDU;
If do not comprise cluster BSR, multiplexing non-cluster BSR in the BSR generating.
2. the method for claim 1, is characterized in that, described steps A comprises:
A1, judge whether the business datum that need to send, if so, execution step A2, otherwise process ends;
A2, according to traffic data type, generate cluster BSR and/or non-cluster BSR.
3. method as claimed in claim 1 or 2, is characterized in that, the form of described cluster BSR comprises short BSR form, long BSR form and brachymemma BSR form;
Described short BSR form and brachymemma BSR form comprise service identification and cache size two parts;
Described long BSR form comprises the cache size of four logic channel groups, and is arranged in order according to the priority sequence of logic channel group.
4. method as claimed in claim 3, is characterized in that, described short BSR form and brachymemma BSR form are 1 byte, and wherein said service identification takies 2 bits; Described long BSR form is 3 bytes.
5. method as claimed in claim 3, is characterized in that, the logic channel group of the class group service that described service identification indication priority is identical; Or, at group service sum, be less than or equal at 4 o'clock, a group service of described service identification indication.
6. method as claimed in claim 3, it is characterized in that, Logic Channel Identifier corresponding to described cluster BSR, value in 01011～11001 scope that the Logic Channel Identifier reservation paragraph of Uplink Shared Channel comprises, the Logic Channel Identifier value that its short-and-medium BSR form, long BSR form and brachymemma BSR form are corresponding is different.
7. the method for claim 1, is characterized in that, Logic Channel Identifier corresponding to described cluster BSR, is configured by high-rise space interface signaling.
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Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103857050B (en) * | 2012-12-07 | 2017-10-17 | 普天信息技术研究院有限公司 | A kind of method of scheduling of resource in TD LTE trunked communication systems |
| CN104038942A (en) * | 2013-03-04 | 2014-09-10 | 中兴通讯股份有限公司 | Cluster service processing method, network side device and user equipment |
| CN104349461B (en) * | 2013-07-26 | 2019-02-22 | 电信科学技术研究院 | A kind of uplink resource allocating method and its equipment |
| CN104754524B (en) * | 2015-03-31 | 2018-06-15 | 深圳酷派技术有限公司 | A kind of method of group communication, user equipment, base station equipment and system |
| CN107404732B (en) * | 2016-05-18 | 2020-01-24 | 普天信息技术有限公司 | Method and device for reporting cache report |
| CN107889147A (en) * | 2016-09-30 | 2018-04-06 | 中兴通讯股份有限公司 | A kind of reporting cached state and uplink scheduling method and terminal, network side equipment |
| CN108347784B (en) * | 2017-01-23 | 2023-10-13 | 华为技术有限公司 | Resource scheduling method, wireless access network equipment and terminal equipment |
| CN106879075A (en) * | 2017-02-15 | 2017-06-20 | 北京北方烽火科技有限公司 | A kind of method for realizing service connection, colony terminal and base station |
| CN108632884B (en) * | 2017-03-17 | 2020-06-30 | 维沃移动通信有限公司 | Reconfiguration method and device of buffer status report timer |
| CN109392009A (en) * | 2017-08-11 | 2019-02-26 | 华为技术有限公司 | Data transmission method, equipment and communication system |
| CN112787973B (en) * | 2019-11-04 | 2022-11-18 | 成都鼎桥通信技术有限公司 | Method and device for installing cluster service stream in broadband cluster terminal roaming scene |
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| US20110130098A1 (en) * | 2009-05-22 | 2011-06-02 | Qualcomm Incorporated | Systems, apparatus and methods for distributed scheduling to facilitate interference management |
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| CN101778473A (en) * | 2009-01-08 | 2010-07-14 | 华为技术有限公司 | Method, equipment and system for reporting buffer zone state |
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