CN102065552A - Method and device for reporting BSR (Buffer Status Report) - Google Patents
Method and device for reporting BSR (Buffer Status Report) Download PDFInfo
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- CN102065552A CN102065552A CN200910238169XA CN200910238169A CN102065552A CN 102065552 A CN102065552 A CN 102065552A CN 200910238169X A CN200910238169X A CN 200910238169XA CN 200910238169 A CN200910238169 A CN 200910238169A CN 102065552 A CN102065552 A CN 102065552A
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Abstract
The embodiment of the invention relates to radio communication technology, particularly a method and device for reporting BSR (Buffer Status Report). The method provided by the invention comprises the following steps: determining a scheduling priority weight allocated to a user terminal corresponding to each RB (Radio Bearer); determining a first relationship between the RBs and an LCG (Logical Channel Group) according to the quantity of the RBs allocated to the user terminal and the scheduling priority weight corresponding to each RB; and transmitting the first relationship to the user terminal to indicate the data of the user terminal on each RB corresponding to the LCG, and determining and reporting the BSR corresponding to each LCG. The method provided by the invention can help the base station to enhance the adjustment precision of scheduling priority of the user terminal, and improve the support system of QoS (Quality of Service).
Description
Technical field
The present invention relates to wireless communication technology, particularly a kind of method and apparatus that reports BSR (Buffer Status Report, buffer status report).
Background technology
At LTE (Long Term Evolution, Long Term Evolution) there is the business of number of different types in the system, as phone, visual telephone, game on line, ftp (File Transfer Protocol, file transfer protocol (FTP)) download, Streaming Media etc., they have different QoS (Quality Of Service, quality of service), as priority, time delay etc.The degree of protection of the QoS of different user terminals (UE) different business, be directly connected to user experience, it is the key factor of weighing system's quality, realize and give different dispatching priorities to different business when the guarantee of QoS mainly dispatched by base station (eNB), be high QoS business and give high priority, preferentially carry out resource allocation.
In the LTE system up-link, data are issued the base station by user terminal.And the base station can't predict user terminal whether have data to send out, at which or which RB (Radio Bearer, radio bearer) there are data will send out and have how many data to send out on, therefore design of protocol report mechanism: user terminal sends SR (Scheduling Request, sequential request) informing base station oneself has data to send out; Dispatch user terminal after detecting SR the base station, and distribute a small amount of interface-free resources; User terminal reports the BSR informing base station from 0 data transmit status on the interface-free resources of base station assigns; The dispatching priority that will send the service attribute decision user terminal of data behind the BSR according to user terminal is received in the base station, and what of its Resources allocation the size decision that will send data volume according to user terminal be, and issue scheduling grant; User terminal sends data on the resource of distributing.
At present, the QoS attribute and the data volume size of customer service all are embodied on the RB, but for the consideration of saving space interface signaling expense etc., reporting of BSR is not with RB to be that granularity is carried out in the LTE system, but press LCG (Logical Channel Group, the logic channel group) (be equivalent to RB Group) and carry out, a LCG can comprise one or more RB.Because the base station is determined corresponding which RB of LCG at random, and the BSR of LCG correspondence can only represent that the total data of the RB of LCG correspondence send situation, the concrete condition of each RB of this LCG is not known in the base station, thereby influenced the accuracy of the dispatching priority of base station adjustment user terminal, be unfavorable for that the QoS of user terminal ensures.
In sum, at present in the LTE up link, because the base station is determined corresponding which RB of LCG at random, thereby influenced the accuracy that the dispatching priority of user terminal is adjusted in the base station, be unfavorable for that the QoS of user terminal ensures.
Summary of the invention
The embodiment of the invention provides the method and apparatus of a kind of BSR of reporting, determines the RB of LCG correspondence at random in order to solve the base station that exists in the prior art, thereby reduces the problem that the dispatching priority class precision of user terminal is adjusted in the base station.
A kind of method that reports buffer status report BSR that the embodiment of the invention provides, this method comprises:
Determine to distribute to the dispatching priority weights of each radio bearer RB correspondence of user terminal;
According to the dispatching priority weights of the RB quantity of distributing to user terminal and each RB correspondence, determine first corresponding relation of RB and logic channel group LCG;
Described first corresponding relation is sent to user terminal, be used for indicating user terminal, determine and report the BSR of each LCG correspondence according to the data on each RB of LCG correspondence.
A kind of network equipment that the embodiment of the invention provides, this network equipment comprises:
The weights determination module is used to determine distribute to the dispatching priority weights of each radio bearer RB correspondence of user terminal;
Divide module, be used for determining first corresponding relation of RB and logic channel group LCG according to the dispatching priority weights of distributing to RB quantity He each RB correspondence of user terminal;
Notification module is used for described first corresponding relation is sent to user terminal, is used for indicating user terminal according to the data on each RB of LCG correspondence, determines and report the BSR of each LCG correspondence.
The embodiment of the invention is according to the dispatching priority weights of distributing to RB quantity He each RB correspondence of user terminal, determine first corresponding relation of RB and LCG, and first corresponding relation sent to user terminal, be used for indicating user terminal according to the data on each RB of LCG correspondence, determine and report the BSR of each LCG correspondence.Because the base station is according to the dispatching priority weights of RB, determine the RB of each LCG correspondence, make the BSR of LCG correspondence can be used as the concrete situation of each RB of LCG correspondence, the base station is at the RB that informs user terminal LCG correspondence, and behind the user terminal to send up BSR, the concrete situation of each RB of this BSR correspondence just can be known in the base station, adjusts the precision of the dispatching priority of user terminal thereby improved the base station, and then has improved the safeguards system of QoS; Further can reach and descending identical QoS safeguards system.
Description of drawings
Fig. 1 is the structural representation of embodiment of the invention network equipment;
Fig. 2 reports the method flow schematic diagram of BSR for the embodiment of the invention;
Fig. 3 is 4 o'clock for the quantity of the LCG of embodiment of the invention system support, the dividing mode of first kind of LCG;
Fig. 4 is 4 o'clock for the quantity of the LCG of embodiment of the invention system support, the dividing mode of second kind of LCG;
Fig. 5 is 4 o'clock for the quantity of the LCG of embodiment of the invention system support, the dividing mode of the third LCG;
Fig. 6 is 4 o'clock for the quantity of the LCG of embodiment of the invention system support, the dividing mode of the 4th kind of LCG.
Embodiment
The embodiment of the invention is according to the dispatching priority weights of distributing to RB quantity He each RB correspondence of user terminal, determine first corresponding relation of RB and LCG, and first corresponding relation sent to user terminal, be used for indicating user terminal according to the data on each RB of LCG correspondence, determine and report the BSR of each LCG correspondence.Because the base station is according to the dispatching priority weights of RB, determine the RB of each LCG correspondence, make the BSR of LCG correspondence can be used as the concrete situation of each RB of LCG correspondence, the base station is at the RB that informs user terminal LCG correspondence, and behind the user terminal to send up BSR, the concrete situation of each RB of this BSR correspondence just can be known in the base station, thereby has improved the precision of the dispatching priority of base station adjustment user terminal.
In the LTE system, RB is divided into two classes: data RB (DRB, (user) Data Radio Bearer) and signaling RB (SRB, Signaling Radio Bearer).The last carrying of DRB be data on the service surface, corresponding with customer service, professional QoS is by QCI (QoS Class Identify, the QoS class letter) attribute characterization of DRB, the concrete implication of QCI can be referring to table 1; The last carrying of SRB be signaling on the chain of command, the respective user business does not have the QoS attribute.For DRB, its priority is by the QoS decision of customer service; For SRB, because the importance of signaling have very high priority usually, and a plurality of SRB of same user has close priority usually.
Table 1 service identification mark sheet
The dispatching priority weights of RB correspondence are configured according to strategy by network side, think that such as operator Real Time Gaming is very important, can heighten the dispatching priority of the RB of QCI=6, as think that Conversational Video is very important, then can heighten the dispatching priority of the RB of QCI=2.
For SRB, weights can be fixing, are 1 such as the dispatching priority weights of SRB1, and the dispatching priority weights of SRB2 are 1.5;
For DRB, its weights are corresponding with QCI, than the corresponding relation of QCI as shown in table 2 and dispatching priority weights:
| The QCI of DRB | 5 | 1 | 4 | 2 | 3 | 7 | 6 | 8 | 9 |
| DRB dispatching priority weights | 6 | 8 | 9 | 10 | 11 | 12 | 13 | 15 | 17 |
The corresponding relation of table 2QCI and dispatching priority weights
Need to prove that the dispatching priority weights of embodiment of the invention RB correspondence are not limited to above-mentioned numerical value, other numerical value are suitable for the embodiment of the invention equally.
Wherein, the embodiment of the invention can be applied in the LTE system, also can be applied in the system that needs user terminal to send up BSR.
Below in conjunction with Figure of description the embodiment of the invention is described in further detail.
As shown in Figure 1, embodiment of the invention network equipment comprises: weights determination module 10, division module 20 and notification module 30.
Weights determination module 10 is used to determine distribute to the dispatching priority weights of each RB correspondence of user terminal.
Divide module 20, be used for the dispatching priority weights that basis is distributed to RB quantity and each RB correspondence that weights determination module 10 is determined of user terminal, determine first corresponding relation of RB and LCG.
Notification module 30 is used for sending to user terminal with dividing the module 20 first definite corresponding relations, is used for indicating user terminal according to the data on each RB of LCG correspondence, determines and report the BSR of each LCG correspondence.
Wherein, weights determination module 10 can be carried out the step of determining the dispatching priority weights when the RB quantity of distributing to user terminal changes; Accordingly, divide module 20 and carry out the step of determining first corresponding relation, the step of notification module 30 exercise notices.
In specific implementation process, division module 20 will distribute to the RB quantity of user terminal earlier and the quantity of the LCG that system supports (supporting 4 LCG in the LTE system at present) compares.
When the RB quantity of distributing to user terminal is not more than the quantity of the LCG that system supports, divides module 20 and determine between RB and the LCG first corresponding relation one to one.
Because RB quantity is not more than the quantity of the LCG of system's support, thus the corresponding LCG of a RB can be guaranteed, and the LCG difference of each RB correspondence.
Concrete, divide the LCG that module 20 can be determined each RB correspondence at random;
Divide module 20 and each RB can also be arranged from small to large according to the dispatching priority weights that (the dispatching priority weights are more little, priority is big more), dividing module 20 then arranges LCG from small to large according to numbering, the LCG of the RB reference numeral minimum of dispatching priority weights minimum, dispatching priority weights time little RB reference numeral time little LCG, the rest may be inferred.That is to say, divide the module 20 more little LCG of RB reference numeral that the dispatching priority weights are more little.
During the quantity of the LCG that supports greater than system in the RB quantity of distributing to user terminal, divide the dispatching priority weights of module 20 according to each RB correspondence, RB is merged, form new RB, make RB quantity after the merging be not more than the quantity of LCG, second corresponding relation one to one between RB after determine merging and the LCG, and the corresponding relation of RB new in second corresponding relation and LCG is revised as participates in merging each RB that forms this new RB and the corresponding relation of this LCG, obtain first corresponding relation.
Because the quantity of the LCG that RB quantity is supported greater than system,, make the quantity of LCG of RB quantity and system's support mate, then at definite first corresponding relation so need dwindle the quantity of RB.
Concrete, dividing module 20 merges immediate two RB of dispatching priority weights, form new RB, and determine the dispatching priority weights of new RB correspondence, check that RB quantity after the merging is whether greater than the quantity of LCG, if then continue to carry out with immediate two steps that RB merges of dispatching priority weights; Otherwise second corresponding relation one to one between RB after determine merging and the LCG is revised as the corresponding relation of RB new in second corresponding relation and LCG participating in merging each RB that forms this new RB and the corresponding relation of this LCG, obtains first corresponding relation.
Such as the corresponding LCG1 of RB1 in second corresponding relation, and RB1 to be RB2 and RB3 merge obtains (RB2 and RB3 merge the new RN that obtains), then the corresponding relation of RB1 and LCG1 in second corresponding relation is replaced to the corresponding relation of RB2 and LCG1, and the corresponding relation of RB3 and LCG1.
Immediate two RB of dispatching priority weights are meant the dispatching priority weights gap minimum of these two RB.
That is to say, all choose two RB of dispatching priority weights gap minimum among current all RB at every turn when merging; Repeatedly merge if desired, the new RB that obtains after the merging also may merge once more.
The dispatching priority weights of new RB correspondence can determine as required, such as the dispatching priority weights of dispatching priority weights bigger or less in can the dispatching priority weights with two RB participating in merging as new RB correspondence; The mean value of the dispatching priority weights of two RB that participation can also be merged is as the dispatching priority weights of new RB correspondence.
Many (the dispatching priority weights gap that is every couple of RB is all identical for the immediate RB of dispatching priority weights to (a pair of have two RB) if exist, and all be minimum value) time, divide module 20 from many to the immediate RB of dispatching priority weights, select a pair of RB to merge, wherein a pair of RB of Xuan Zeing is many a pair of RB to dispatching priority weights sum maximum among the RB.
Divide module 20 when determining the LCG of each RB correspondence, can determine the LCG of each RB correspondence at random;
Each RB can also be arranged from small to large according to the dispatching priority weights that (the dispatching priority weights are more little, priority is big more), dividing module 20 then arranges LCG from small to large according to numbering, the LCG of the RB reference numeral minimum of dispatching priority weights minimum, dispatching priority weights time little RB reference numeral time little LCG, the rest may be inferred.That is to say, divide the module 20 more little LCG of RB reference numeral that the dispatching priority weights are more little.
Wherein, the network equipment of the embodiment of the invention can be the base station, also can be other network equipments, can also be new network measurement equipment.
As shown in Figure 2, the embodiment of the invention reports the method for BSR to comprise the following steps:
Wherein, the RB quantity of distributing to user terminal depends on the business of user terminal, carries out polytype business simultaneously such as user terminal, then sets up the RB that is complementary with type of service respectively; Carry out video calling and FTP simultaneously such as user terminal and download, then can set up the RB of QCI=2 and QCI=7/8.
Accordingly, user terminal is known on 0 which RB data, will trigger and reports BSR if satisfy the agreement defined terms, does not have data originally such as certain LCG, and certain RB that belongs to this LCG has data suddenly, will trigger BSR and report; User terminal knows how many data each RB specifically has need transmission simultaneously, know also which LCG each RB belongs to, therefore (value that reports is an index value can to determine to report and report what value on which LCG, agreement has been stipulated the big minizone of data volume of index correspondence), if a plurality of RB of a LCG have data, then report their data volume sum.Have the data of 10 bytes to pass such as RB4, and RB4 belongs to LCG1, then terminal can report 01000001, and preceding 2bit represents it is which LCG, and back 6bit is BSR value (corresponding data amount interval 1～10 byte).
BSR according to user terminal to send up can obtain data volume and dispatching priority, dispatch then and resource allocation, because dispatching priority weights according to each RB correspondence, determine the RB of LCG correspondence, adjust the precision of the dispatching priority of user terminal thereby improved, and then improved the safeguards system of QoS.
Wherein, when changing (increase or reduce) in the RB quantity of distributing to user terminal, can execution in step 201.
In the step 202, can be earlier the quantity of distributing to the LCG of the RB quantity of user terminal and system's support be compared.
When the RB quantity of distributing to user terminal is not more than the quantity of the LCG that system supports, determine between RB and the LCG first corresponding relation one to one.
Because RB quantity is not more than the quantity of the LCG of system's support, thus the corresponding LCG of a RB can be guaranteed, and the LCG difference of each RB correspondence.
Concrete, can determine the LCG of each RB correspondence at random;
Each RB can also be arranged from small to large according to the dispatching priority weights that (the dispatching priority weights are more little, priority is big more), then LCG is arranged from small to large according to numbering, the LCG of the RB reference numeral minimum of dispatching priority weights minimum, dispatching priority weights time little RB reference numeral time little LCG, the rest may be inferred.That is to say that the numbering of the LCG of the RB correspondence that the dispatching priority weights are more little is more little.
During the quantity of the LCG that supports greater than system in the RB quantity of distributing to user terminal, dispatching priority weights according to each RB correspondence, RB is merged, form new RB, make RB quantity after the merging be not more than the quantity of LCG, second corresponding relation one to one between RB after determine merging and the LCG, and the corresponding relation of RB new in second corresponding relation and LCG is revised as participates in merging each RB that forms this new RB and the corresponding relation of this LCG, first corresponding relation obtained.
Because the quantity of the LCG that RB quantity is supported greater than system,, make the quantity of LCG of RB quantity and system's support mate, then at definite first corresponding relation so need dwindle the quantity of RB.
Concrete, immediate two RB merge with the dispatching priority weights, form new RB, and determine the dispatching priority weights of new RB correspondence, check that RB quantity after the merging is whether greater than the quantity of LCG, if then continue to carry out with immediate two steps that RB merges of dispatching priority weights; Otherwise second corresponding relation one to one between RB after determine merging and the LCG is revised as the corresponding relation of RB new in second corresponding relation and LCG participating in merging each RB that forms this new RB and the corresponding relation of this LCG, obtains first corresponding relation.
Such as the corresponding LCG1 of RB1 in second corresponding relation, and RB1 to be RB2 and RB3 merge obtains (RB2 and RB3 merge the new RN that obtains), then the corresponding relation of RB1 and LCG1 in second corresponding relation is replaced to the corresponding relation of RB2 and LCG1, and the corresponding relation of RB3 and LCG1.
Immediate two RB of dispatching priority weights are meant the dispatching priority weights gap minimum of these two RB.
That is to say, all choose two RB of dispatching priority weights gap minimum among current all RB at every turn when merging; Repeatedly merge if desired, the new RB that obtains after the merging also may merge once more.
The dispatching priority weights of new RB correspondence can determine as required, such as the dispatching priority weights of dispatching priority weights bigger or less in can the dispatching priority weights with two RB participating in merging as new RB correspondence; The mean value of the dispatching priority weights of two RB that participation can also be merged is as the dispatching priority weights of new RB correspondence.
Many (the dispatching priority weights gap that is every couple of RB is all identical for the immediate RB of dispatching priority weights to (a pair of have two RB) if exist, and all be minimum value) time, from many to the immediate RB of dispatching priority weights, select a pair of RB to merge, wherein a pair of RB of Xuan Zeing is many a pair of RB to dispatching priority weights sum maximum among the RB.
When determining the LCG of each RB correspondence, can determine the LCG of each RB correspondence at random;
Each RB can also be arranged from small to large according to the dispatching priority weights that (the dispatching priority weights are more little, priority is big more), then LCG is arranged from small to large according to numbering, the LCG of the RB reference numeral minimum of dispatching priority weights minimum, dispatching priority weights time little RB reference numeral time little LCG, the rest may be inferred.That is to say that the numbering of the LCG of the RB correspondence that the dispatching priority weights are more little is more little.
Wherein, the executive agent of the embodiment of the invention can be the base station, also can be other network equipments, can also be new network measurement equipment.
The LCG quantity that can support at present with the LTE system is that example describes below.
For ease of statement, RB and its dispatching priority weight number combining are expressed as RBx (y), as DRB1 (12) expression dispatching priority weights 12 DRB1.
New RB dispatching priority weights after RBx (y) merges with RBp (q) are got the mean value of the two, and new RB note is made RBx_RBp
Be expressed as DRB1_DRB2 (12.5) as the new RB after DRB1 (12) and DRB2 (13) merging.
The big more then dispatching priority of dispatching priority weights is low more.
As shown in Figure 3, the quantity of the LCG of embodiment of the invention system support is 4 o'clock, in the dividing mode of first kind of LCG, suppose that user terminal A set up 3 RB:SRB1, SRB2, DRB1, the dispatching priority weights are respectively 1,1.5,12, and the newly-increased dispatching priority weights of needs are 13 DRB2 now.
SRB1 (1), SRB2 (1.5), DRB1 (12) have been set up, newly-increased DRB2 (13), LCG partition process: because the RB number is not more than 4, by dispatching priority weights order from low to high SRB1 (1), SRB2 (1.5), DRB1 (12), DRB2 (13) are divided in LCG0～3 successively, concrete dividing condition can be referring to table 3.
| The LCG numbering | The RB that comprises among the LCG |
| LCG0 | SRB1(1) |
| LCG1 | SRB2(1.5) |
| LCG2 | DRB1(12) |
| LCG3 | DRB2(13) |
The LCG of table 3 user terminal A divides final result
Because the RB number that user terminal A is set up is not more than 4, each RB has assigned among the independent LCG, reports BSR by user terminal A, can accurately know the data transmit status of each RB of user terminal A, and priority control precision height is beneficial to QoS and ensures.
As shown in Figure 4, the quantity of the LCG of embodiment of the invention system support is 4 o'clock, in the dividing mode of second kind of LCG, suppose that user terminal B has set up 4 RB:SRB1, SRB2, DRB1, DRB2, the dispatching priority weights are respectively 1,1.5,6,10, and the newly-increased dispatching priority weights of needs are 8 DRB3 now.
Set up SRB1 (1), SRB2 (1.5), DRB1 (6), DRB2 (10), newly-increased DRB3 (8), the LCG partition process:
Because the RB number greater than 4, merges so need carry out RB.
The dispatching priority weights are immediate among SRB1 (1), SRB2 (1.5), DRB1 (6), DRB2 (10), the DRB3 (8) is: (SRB1, SRB2), difference is 0.5, and they are merged, new RB note is made SRB1_SRB2 (1.25)
Be not more than 4 owing to merge back RB number, by dispatching priority weights order from low to high SRB1_SRB2 (1.25), DRB1 (6), DRB3 (8), DRB2 (10) be divided in LCG0～3 successively, concrete dividing condition can be referring to table 4.
| The LCG numbering | The RB that comprises among the LCG |
| LCG0 | SRB1(1)、SRB2(1.5) |
| LCG1 | DRB1(6) |
| LCG2 | DRB3(8) |
| LCG3 | DRB2(10) |
The LCG of table 4 user terminal B divides final result
Because the RB number that user terminal B sets up is 5, need once merge, immediate SRB1 of dispatching priority weights and SRB2 merging are divided among the same LCG.B reports BSR by user terminal, can accurately know the data transmit status of DRB1, DRB2, DRB3; For SRB1 and SRB2, though can't obtain in them the concrete data transmit status of each,, still can control dispatching priority more accurately because their dispatching priority weights are very approaching, be beneficial to QoS and ensure.
As shown in Figure 5, the quantity of the LCG of embodiment of the invention system support is 4 o'clock, in the dividing mode of the third LCG, suppose that user terminal C has set up 5 RB:SRB 1, SRB2, DRB1, DRB2, DRB3, the dispatching priority weights are respectively 1,1.5,6,11,8, and the newly-increased dispatching priority weights of needs are 9 DRB4 now.
Set up SRB1 (1), SRB2 (1.5), DRB1 (6), DRB2 (11), DRB3 (8), newly-increased DRB4 (9), the LCG partition process:
Because the RB number greater than 4, merges so need carry out RB.
SRB1 (1), SRB2 (1.5), DRB1 (6), DRB2 (11), DRB3 (8), DRB4 (9) medium priority weights are immediate is: (SRB1, SRB2), difference is 0.5, and they are merged, new RB note is made SRB1_SRB2 (1.25).
Owing to merge back RB number greater than 4, merge so need proceed RB.
DRB1 (6), DRB2 (11), DRB3 (8), DRB4 (9), SRB1_SRB2 (1.25) medium priority weights are immediate is: (DRB3, DRB4), difference is 1, and they are merged, new RB note is made DRB3_DRB4 (8.5).
Be not more than 4 owing to merge back RB number, by dispatching priority weights order from low to high SRB1_SRB2 (1.25), DRB1 (6), DRB3_DRB4 (8.5), DRB2 (11) be divided in LCG0～3 successively, concrete dividing condition can be referring to table 5.
| The LCG numbering | The RB that comprises among the LCG |
| LCG0 | SRB1(1)、SRB2(1.5) |
| LCG1 | DRB1(6) |
| LCG2 | DRB3(8)、DRB4(9) |
| LCG3 | DRB2(11) |
The LCG of table 5 user terminal C divides final result
Because the RB number that user terminal C sets up is 6, need carries out two-wheeled and merge.The first round merges: select the immediate SRB1 of dispatching priority weights and SRB2 merges from 6 RB that participate in, the new RB that is merged into participates in second and takes turns merging; Second takes turns merging: select the immediate DRB3 of dispatching priority weights, DRB4 and merge from 5 RB that participate in; 6 RB are divided among the LCG more uniformly the most at last.Though all comprised two RB among LCG0, the LCG2, because (SRB1 is SRB2) with (DRB3, dispatching priority weights DRB4) are immediate among all RB, can improve the accuracy of priority control to greatest extent, help QoS and ensure.
As shown in Figure 6, the quantity of the LCG of embodiment of the invention system support is 4 o'clock, in the dividing mode of the 4th kind of LCG, suppose that user terminal D has set up 6 RB:SRB1, DRB1, DRB2, DRB3, DRB4, DRB5, the dispatching priority weights are respectively 1,10,12,18,17,15, need deletion DRB3 (18) now.
Set up SRB1 (1), DRB1 (10), DRB2 (12), DRB3 (18), DRB4 (17), DRB5 (15), deletion DRB3 (18), the LCG partition process:
Because the RB number greater than 4, merges so need carry out RB.
The dispatching priority weights are immediate among SRB1 (1), DRB1 (10), DRB2 (12), DRB4 (17), the DRB5 (15) two pairs: (DRB1, DRB2), (DRB4, DRB5), difference is 2, with the minimum (DRB4 of dispatching priority wherein, DRB5) merge (being a pair of RB of dispatching priority weights sum maximum), new RB note is made DRB4_DRB5 (16).
Be not more than 4 owing to merge back RB number, by dispatching priority weights order from low to high SRB1 (1), DRB1 (10), DRB2 (12), DRB4_DRB5 (16) be divided in LCG0～3 successively, concrete dividing condition can be referring to table 6.
| The LCG numbering | The RB that comprises among the LCG |
| LCG0 | SRB1(1) |
| LCG1 | DRB1(10) |
| LCG2 | DRB2(12) |
| LCG3 | DRB4(15)、DRB5(17) |
The LCG of table 6 user terminal D divides final result
Because the RB number that user terminal D sets up is 5, need carry out taking turns merging.There is two pairs dispatching priority the most close among 5 RB that participate in merging, select low that of its medium priority to merging, so that the DRB1 of high priority, DRB2 can assign among the independent LCG, like this can not only be better provide service for the business of the high QoS of this user terminal D, can also reduce the probability that other user terminals resources are seized, help improving whole QoS degree of protection.
Those skilled in the art should understand that embodiments of the invention can be provided as method, system or computer program.Therefore, the present invention can adopt complete hardware embodiment, complete software implementation example or in conjunction with the form of the embodiment of software and hardware aspect.And the present invention can adopt the form that goes up the computer program of implementing in one or more computer-usable storage medium (including but not limited to magnetic disc store, CD-ROM, optical memory etc.) that wherein include computer usable program code.
The present invention is that reference is described according to the flow chart and/or the block diagram of method, equipment (system) and the computer program of the embodiment of the invention.Should understand can be by the flow process in each flow process in computer program instructions realization flow figure and/or the block diagram and/or square frame and flow chart and/or the block diagram and/or the combination of square frame.Can provide these computer program instructions to the processor of all-purpose computer, special-purpose computer, Embedded Processor or other programmable data processing device to produce a machine, make the instruction of carrying out by the processor of computer or other programmable data processing device produce to be used for the device of the function that is implemented in flow process of flow chart or a plurality of flow process and/or square frame of block diagram or a plurality of square frame appointments.
These computer program instructions also can be stored in energy vectoring computer or the computer-readable memory of other programmable data processing device with ad hoc fashion work, make the instruction that is stored in this computer-readable memory produce the manufacture that comprises command device, this command device is implemented in the function of appointment in flow process of flow chart or a plurality of flow process and/or square frame of block diagram or a plurality of square frame.
These computer program instructions also can be loaded on computer or other programmable data processing device, make on computer or other programmable devices and to carry out the sequence of operations step producing computer implemented processing, thereby the instruction of carrying out on computer or other programmable devices is provided for being implemented in the step of the function of appointment in flow process of flow chart or a plurality of flow process and/or square frame of block diagram or a plurality of square frame.
Although described the preferred embodiments of the present invention, in a single day those skilled in the art get the basic creative notion of cicada, then can make other change and modification to these embodiment.So claims are intended to all changes and the modification that are interpreted as comprising preferred embodiment and fall into the scope of the invention.
From the foregoing description as can be seen: the embodiment of the invention determines to distribute to the dispatching priority weights of each radio bearer RB correspondence of user terminal; According to the dispatching priority weights of the RB quantity of distributing to user terminal and each RB correspondence, determine first corresponding relation of RB and logic channel group LCG; First corresponding relation is sent to user terminal, be used for indicating user terminal, determine and report the BSR of each LCG correspondence according to the data on each RB of LCG correspondence.
Because the base station is according to the dispatching priority weights of RB, determine the RB of each LCG correspondence, make the BSR of LCG correspondence can be used as the concrete situation of each RB of LCG correspondence, the base station is at the RB that informs user terminal LCG correspondence, and behind the user terminal to send up BSR, the concrete situation of each RB of this BSR correspondence just can be known in the base station, adjusts the precision of the dispatching priority of user terminal thereby improved the base station, and then has improved the safeguards system of QoS; Further can reach and descending identical QoS safeguards system.
Obviously, those skilled in the art can carry out various changes and modification to the present invention and not break away from the spirit and scope of the present invention.Like this, if of the present invention these are revised and modification belongs within the scope of claim of the present invention and equivalent technologies thereof, then the present invention also is intended to comprise these changes and modification interior.
Claims (12)
1. a method that reports buffer status report BSR is characterized in that, this method comprises:
Determine to distribute to the dispatching priority weights of each radio bearer RB correspondence of user terminal;
According to the dispatching priority weights of the RB quantity of distributing to user terminal and each RB correspondence, determine first corresponding relation of RB and logic channel group LCG;
Described first corresponding relation is sent to user terminal, be used for indicating user terminal, determine and report the BSR of each LCG correspondence according to the data on each RB of LCG correspondence.
2. the method for claim 1 is characterized in that, determines that first corresponding relation of RB and logic channel group LCG comprises:
When the RB quantity of distributing to user terminal is not more than the quantity of the LCG that system supports, determine between RB and the LCG first corresponding relation one to one.
3. the method for claim 1 is characterized in that, determines that first corresponding relation of RB and logic channel group LCG comprises:
During the quantity of the LCG that supports greater than system in the RB quantity of distributing to user terminal, the dispatching priority weights according to each RB correspondence merge RB, form new RB, make RB quantity after the merging be not more than the quantity of LCG;
Second corresponding relation one to one between RB after determine merging and the LCG, and the corresponding relation of RB new in second corresponding relation and LCG is revised as participates in merging each RB that forms this new RB and the corresponding relation of this LCG, first corresponding relation obtained.
4. method as claimed in claim 3 is characterized in that, determines that first corresponding relation of RB and logic channel group LCG comprises:
Immediate two RB merge with the dispatching priority weights, form new RB, and determine the dispatching priority weights of new RB correspondence;
Check that RB quantity after the merging is whether greater than the quantity of LCG, if then continue to carry out immediate two steps that RB merges of dispatching priority weights; Otherwise,
Second corresponding relation one to one between RB after determine merging and the LCG;
The corresponding relation of RB new in second corresponding relation and LCG is revised as each RB of this new RB of participation merging formation and the corresponding relation of this LCG, obtains first corresponding relation.
5. as claim 3 or 4 described methods, it is characterized in that, exist many immediate RB of dispatching priority weights;
Described immediate two RB of dispatching priority weights are merged comprises:
Select a pair of RB to merge from many to the immediate RB of dispatching priority weights, wherein a pair of RB of Xuan Zeing is many a pair of RB to dispatching priority weights sum maximum among the RB.
6. as the described method of the arbitrary claim of claim 1～4, it is characterized in that the numbering of the LCG of the RB correspondence that the dispatching priority weights are more little is more little.
7. a network equipment is characterized in that, this network equipment comprises:
The weights determination module is used to determine distribute to the dispatching priority weights of each radio bearer RB correspondence of user terminal;
Divide module, be used for determining first corresponding relation of RB and logic channel group LCG according to the dispatching priority weights of distributing to RB quantity He each RB correspondence of user terminal;
Notification module is used for described first corresponding relation is sent to user terminal, is used for indicating user terminal according to the data on each RB of LCG correspondence, determines and report the BSR of each LCG correspondence.
8. network equipment as claimed in claim 7 is characterized in that, described division module is used for:
When the RB quantity of distributing to user terminal is not more than the quantity of the LCG that system supports, determine between RB and the LCG first corresponding relation one to one.
9. network equipment as claimed in claim 7 is characterized in that, described division module is used for:
During the quantity of the LCG that supports greater than system in the RB quantity of distributing to user terminal, dispatching priority weights according to each RB correspondence, RB is merged, form new RB, make RB quantity after the merging be not more than the quantity of LCG, second corresponding relation one to one between RB after determine merging and the LCG, and the corresponding relation of RB new in second corresponding relation and LCG is revised as participates in merging each RB that forms this new RB and the corresponding relation of this LCG, first corresponding relation obtained.
10. network equipment as claimed in claim 9 is characterized in that, described division module is used for:
Immediate two RB merge with the dispatching priority weights, form new RB, and determine the dispatching priority weights of new RB correspondence, check that RB quantity after the merging is whether greater than the quantity of LCG, if then continue to carry out with immediate two steps that RB merges of dispatching priority weights; Otherwise second corresponding relation one to one between RB after determine merging and the LCG is revised as the corresponding relation of RB new in second corresponding relation and LCG participating in merging each RB that forms this new RB and the corresponding relation of this LCG, obtains first corresponding relation.
11., it is characterized in that described division module also is used for as claim 9 or 10 described network equipments:
Exist manyly during to the immediate RB of dispatching priority weights, select a pair of RB to merge from many to the immediate RB of dispatching priority weights, wherein a pair of RB of Xuan Zeing is many a pair of RB to dispatching priority weights sum maximum among the RB.
12., it is characterized in that described division module also is used for as the described network equipment of the arbitrary claim of claim 7～10:
The more little LCG of RB reference numeral that the dispatching priority weights are more little.
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