CN104185290A - Data scheduling method, relay equipment, relay node and system - Google Patents
Data scheduling method, relay equipment, relay node and system Download PDFInfo
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- CN104185290A CN104185290A CN201310198852.1A CN201310198852A CN104185290A CN 104185290 A CN104185290 A CN 104185290A CN 201310198852 A CN201310198852 A CN 201310198852A CN 104185290 A CN104185290 A CN 104185290A
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Abstract
The invention discloses a data scheduling method, relay equipment, a relay node and a system. The method comprises the steps that a buffer state report (BSR) reported by user equipment (UE) is received by an RN-eNB, and the BSR is converted into data volume under transmission of the UE; and data volume under transmission of the UE is forwarded to an RN-UE so that the RN-UE is triggered in advance to apply for resources from a host base station (DeNB). The conversion unit in the relay equipment is used for converting the BSR into data volume under transmission of the UE. With adoption of the data scheduling method, data scheduling can be accelerated and time delay can be reduced.
Description
Technical field
The present invention relates to the dispatching technique in wireless mobile communications field, relate in particular to method, trunking, via node and the data dispatch system of data dispatch in a kind of long evolving system (LTE, Long Term Evolution).
Background technology
Via node (RN, Relay Node) be advanced long evolving system (LTE-A, Long Term Evolution Advanced) network element device of introducing in network system, the object of introducing RN is to strengthen covering under high data rate, the mobile support of group is provided, provides casual network easily cover, improve the throughput of cell edge and strengthen the covering of hot spot region.As shown in Figure 1, RN and existing network base station connect by wireless signal as host base station (DeNB, Donor eNB), and provide service to the subscriber equipment (UE, User Equipment) in self coverage.Wherein, the wireless link between DeNB and RN is called back haul link, and air interface is called Un interface, and the wireless link between RN and UE is called access link, and air interface is called Uu interface.RN, for UE, is the role who serves as a base station, and for DeNB, is the role who serves as a UE, and downlink data first arrives DeNB, then passes to RN, and RN transfers to UE again; Otherwise upstream data.
Be different from original network architecture that only comprises base station and UE, add RN in the network architecture, after RN access DeNB, set up community and provide service for UE, UE access RN community, and the direct and RN of UE carries out data interaction.Fig. 2 is that the uplink service of prior art UE flows to schematic diagram, as shown in Figure 2, RN is comprised of two parts module, for link terminal module (RN-UE) and relay base station module (RN-eNB), UE uplink service need to first arrive RN-eNB by Uu link, after sending to DeNB by Un link again, could arrive core net (EPC).
Adopt prior art, the problem of existence is as described below:
Prior art is when data dispatch, need RN-eNB and DeNB to distribute uplink authorization, concrete, when data dispatch, UE can send dispatch request (SR, Scheduling Request) to apply for uplink authorization to RN-eNB, RN-eNB receives after SR as UE issues uplink authorization, receive buffer status report (BSR) that UE reports afterwards, RN-eNB could know UE has how many business datums to send, and for UE issues RN-eNB after uplink authorization, forwards business datum that UE sends to RN-UE; DeNB will further wait until that RN-UE receives that the business datum of this UE transmission that RN-eNB forwards and application resource transmission BSR just know RN-UE has how many business datums to send afterwards, could issue uplink authorization for RN-UE, distribute suitable bandwidth, visible, by current flow process, realizing DeNB certainly will increase the time delay of whole data dispatch flow process to the business scheduling of RN-UE.
For the problems referred to above that exist in prior art data dispatch, not yet there is at present effective solution, in the urgent need to a kind of quickening data dispatch, to reduce the solution of time delay.
Summary of the invention
In view of this, main purpose of the present invention is to provide a kind of method, trunking, via node and data dispatch system of data dispatch, can accelerate data dispatch, reduces time delay.
For achieving the above object, technical scheme of the present invention is achieved in that
A method for data dispatch, the method comprises:
RN-eNB receives the Buffer Status Report BSR of reported by user equipment UE, and described BSR is converted to UE data volume to be sent;
Described UE data volume to be sent is transmitted to RN-UE, triggers in advance RN-UE to host base station DeNB application resource.
Wherein, the method also comprises:
Before described RN-eNB receives described BSR, described RN-eNB receives the dispatch request SR that UE sends, and issues uplink authorization, for described UE distributes bandwidth;
After described RN-eNB issues described uplink authorization to described UE, described RN-eNB receives the UE business datum that described UE sends, and described UE business datum is transmitted to described RN-UE.
Wherein, describedly described BSR be converted to UE data volume to be sent specifically comprise:
The index value that described RN-eNB comprises according to described BSR, obtains the interval of the buffering area quantity size that described index value is corresponding, from the optional numerical value of described interval as described UE data volume to be sent; Or, using the higher limit of described interval as described UE data volume to be sent.
Wherein, described UE is a plurality of UE, and each logic channel of each UE forms a logic channel group;
Accordingly, describedly described BSR is converted to UE data volume to be sent is further: the BSR of each logic channel group of the correspondence that described RN-eNB reports a plurality of UE is converted to the UE data volume to be sent of each logic channel group, the UE of each logic channel group data volume to be sent is added up to obtain to the summation of UE data volume to be sent;
Accordingly, describedly described UE data volume to be sent is transmitted to RN-UE is further: described RN-eNB is transmitted to RN-UE by the UE of each logic channel group data volume to be sent.
A method for data dispatch, the method comprises:
RN-UE receives while triggering in advance to host base station DeNB application resource after the user equipment (UE) data volume to be sent that RN-eNB forwards, sends dispatch request SR to described DeNB.
Wherein, the method also comprises: described DeNB issues uplink authorization after receiving described SR, and described RN-UE receives described uplink authorization, and RN-UE reports BSR to described DeNB;
The BSR that RN-UE reports specifically comprises: the BSR of the UE data volume to be sent that the BSR of sign RN-UE side self buffer data volume to be sent and the described RN-eNB of sign forward.
Wherein, the method also comprises:
Described RN-UE reports BSR to after described DeNB, and RN-UE receives the UE business datum that RN-eNB forwards;
After described RN-UE receives the uplink authorization that BSR that DeNB reports according to described RN-UE issues, distribute described in bandwidth uplink scheduling UE business datum to DeNB.
A trunking, this equipment is positioned at RN-eNB side, comprising:
The first receiving element, for receiving the Buffer Status Report BSR of reported by user equipment UE;
Converting unit, for being converted to described BSR UE data volume to be sent;
The first transmitting element, for described UE data volume to be sent is transmitted to RN-UE, triggers RN-UE in advance to host base station DeNB application resource.
Wherein, described the first receiving element, is further used for receiving the dispatch request SR that UE sends; Receive the UE business datum that described UE sends;
Described the first transmitting element, is further used for issuing uplink authorization according to described SR, for described UE distributes bandwidth; Described UE business datum is transmitted to described RN-UE.
Wherein, described converting unit, is further used for the index value that comprises according to described BSR, obtains the interval of the buffering area quantity size that described index value is corresponding, from the optional numerical value of described interval as described UE data volume to be sent; Or, using the higher limit of described interval as described UE data volume to be sent.
Wherein, this equipment also comprises data accumulation unit, for described UE, be a plurality of UE, each logic channel of each UE forms in a logic channel group situation, the BSR of each logic channel group of the correspondence that a plurality of UE are reported is converted to the UE data volume to be sent of each logic channel group, the UE of each logic channel group data volume to be sent is added up to obtain to the summation of UE data volume to be sent;
Described the first transmitting element, is further used for the UE of each logic channel group data volume to be sent to be transmitted to described RN-UE.
A trunking, this equipment is positioned at RN-UE side, comprising:
The second receiving element, the user equipment (UE) data volume to be sent forwarding for receiving RN-eNB;
The second transmitting element, while applying for resource for triggering in advance to host base station DeNB, sends dispatch request SR to described DeNB.
Wherein, described the second transmitting element, is further used for reporting BSR to described DeNB;
The BSR reporting specifically comprises: the BSR of the UE data volume to be sent that the BSR of sign RN-UE side self buffer data volume to be sent and the described RN-eNB of sign forward.
Wherein, described the second receiving element, the UE business datum forwarding for receiving RN-eNB;
Described the second transmitting element, is further used for described in uplink scheduling UE business datum to DeNB.
A via node, described via node comprises trunking and the trunking that is positioned at RN-UE side as described in above-mentioned any one of the RN-eNB side as described in above-mentioned any one.
A data dispatch system, this system comprises host base station DeNB, core net EPC, user equipment (UE), this system also comprises: the trunking of the RN-eNB side as described in above-mentioned any one and the trunking that is positioned at RN-UE side as described in above-mentioned any one.
Method of the present invention comprises: RN-eNB receives the BSR that UE reports, and described BSR is converted to UE data volume to be sent; Described UE data volume to be sent is transmitted to RN-UE, triggers in advance RN-UE and apply for resource to DeNB.
Adopt the present invention, the UE data volume to be sent just this BSR value being converted to owing to receiving the BSR that UE sends at RN-eNB sends to RN-UE, this UE data volume to be sent of receiving RN-UE can trigger in advance to the flow process of DeNB application resource, thereby DeNB can be as early as possible for RN-UE distributes bandwidth, accelerate data dispatch, reduce time delay.
Accompanying drawing explanation
Fig. 1 is that prior art increases the schematic network structure after network element device RN;
Fig. 2 is that the uplink service of prior art UE flows to schematic diagram;
Fig. 3 is the data dispatch realization flow figure of prior art;
Fig. 4 is the realization flow figure of the inventive method principle;
Fig. 5 is data dispatch realization flow figure of the present invention.
Embodiment
For cost-saving and follow-up consideration system compatible, the present invention does not change the existing procedure that UE sends SR and reports BSR, but on this basis, when RN-eNB receives the BSR of UE transmission, just this BSR value is sent to RN-UE by internal data path, this BSR value of receiving RN-UE can trigger in advance to the flow process of DeNB application resource, to realize pre-first to file, thereby DeNB can be as early as possible for RN-UE issues uplink authorization, distribute bandwidth to carry out business scheduling, owing to having shortened the business scheduling time delay of DeNB to RN-UE, certainly will also reduce the time delay of whole data dispatch flow process, compared to existing technology, data dispatch is optimized and perfect.And, preferably, when RN-UE reports BSR to DeNB, consider that BSR value and RN-UE buffer state that RN-eNB sends by internal data path report BSR to DeNB, thereby to DeNB bandwidth application, to send RN-eNB, provide in advance the data of the UE of Serving cell, in advance bandwidth application, quickening data dispatch.
With regard to RN-eNB side, the method for data dispatch of the present invention, the method mainly comprises following content:
As shown in Figure 4, the method principle process comprises the following steps:
Step 101, RN-eNB receive the BSR that UE reports, and BSR is converted to UE data volume to be sent.
Step 102, UE data volume to be sent is transmitted to RN-UE, trigger in advance RN-UE to DeNB application resource to realize data dispatch.
Here, the method also comprises: before described RN-eNB receives described BSR, described RN-eNB receives the dispatch request SR that UE sends, and issues uplink authorization, for described UE distributes bandwidth;
Described RN-eNB receives described BSR, and after issuing uplink authorization to described UE, described RN-eNB receives the UE business datum that described UE sends, and described UE business datum is transmitted to described RN-UE.
Here, describedly described BSR be converted to UE data volume to be sent specifically comprise:
The index value that described RN-eNB comprises according to described BSR, obtains the interval of the buffering area quantity size that described index value is corresponding, from the optional numerical value of described interval as described UE data volume to be sent; Or, using the higher limit of described interval as described UE data volume to be sent.
Here, described UE is a plurality of UE, and each logic channel of each UE forms a logic channel group;
Accordingly, describedly described BSR is converted to UE data volume to be sent is further: the BSR of each logic channel group of the correspondence that described RN-eNB reports a plurality of UE is converted to the UE data volume to be sent of each logic channel group, the UE of each logic channel group data volume to be sent is added up to obtain to the summation of UE data volume to be sent;
Accordingly, describedly described UE data volume to be sent is transmitted to RN-UE is further: described RN-eNB is transmitted to RN-UE by the UE of each logic channel group data volume to be sent.
With regard to RN-UE side, the method for data dispatch of the present invention, the method mainly comprises following content:
RN-UE receives while triggering in advance to DeNB application resource after the UE data volume to be sent that RN-eNB forwards, sends SR and realize data dispatch to described DeNB.
Here, the method also comprises: described DeNB issues uplink authorization after receiving described SR, and described RN-UE receives described uplink authorization, and RN-UE reports BSR to described DeNB;
The BSR that RN-UE reports specifically comprises: the BSR of sign RN-UE side self buffer data volume to be sent and identify the BSR of the UE data volume to be sent that described RN-eNB forwards.
Here, the method also comprises:
Described RN-UE reports BSR to after described DeNB, and RN-UE receives the UE business datum that RN-eNB forwards;
After described RN-UE receives the uplink authorization that BSR that DeNB reports according to described RN-UE issues, distribute UE business datum described in bandwidth uplink scheduling to DeNB, by DeNB, UE business datum to be sent to EPC.
Below in conjunction with accompanying drawing, the contrast by prior art flow process and embodiment of the present invention flow process, is described in further detail the enforcement of technical scheme, to better set forth the present invention's superiority compared to existing technology, described in being specifically described below:
Fig. 3 is that in prior art, UE business datum, at the flow chart of DeNB and twice scheduling of RN-eNB, comprises the following steps:
When the UE of step 301:RN service has up data to be sent, need first to RN-eNB, to send SR with application ascending resource.
Step 302:RN-eNB receives the SR that UE sends, and to UE, distributes bandwidth, issues uplink authorization.
Step 303:UE receives uplink authorization, to RN-eNB, reports BSR.
Here, this BSR is in order to illustrate UE side buffering area data volume to be sent.
Step 304:RN-eNB receives the BSR of UE, to UE, issues uplink authorization.
Step 305:UE uplink scheduling UE business datum is to RN-eNB.
After step 306:RN-eNB receives the UE business datum of service UE, UE business datum is sent to the buffering area of RN-UE side.
Step 307:RN-UE has up data volume to be sent, and RN-UE sends SR application ascending resource to DeNB.
Step 308:DeNB receives the SR of RN-UE, to RN-UE, distributes bandwidth, issues uplink authorization.
Step 309:RN-UE receives uplink authorization, to DeNB, reports BSR.
Here, this BSR is in order to illustrate RN-UE side buffering area data volume to be sent.
Step 310:DeNB receives the BSR of RN-UE, to RN-UE, issues uplink authorization.
Step 311:RN-UE uplink scheduling UE business datum is to DeNB.
Step 312:DeNB sends to EPC by the up UE business datum of UE.
Fig. 5 is the data dispatch realization flow figure that the inventive method embodiment will forward scheduling UE business datum, comprises the following steps:
When the UE of step 401:RN service has up data to be sent, need first to RN-eNB, to send SR with application ascending resource.
Step 402:RN-eNB receives the SR that UE sends, and to UE, distributes bandwidth, issues uplink authorization.
Step 403:UE receives uplink authorization, to RN-eNB, reports BSR, and the data volume that UE buffering area is to be sent is described.
Step 404:RN-eNB receives the BSR that UE reports, and BSR is converted to UE data volume to be sent, and UE data volume to be sent is transmitted to RN-UE.
Here, this step is one of core inventive point of the present invention, be different from the flow process of prior art, not that RN-eNB receives BSR, after issuing uplink authorization to UE, obtain the UE business datum that UE sends, this step be issue uplink authorization before, RN-eNB is once receiving that BSR triggers in advance RN-UE transmission SR and applies for resource to DeNB, trigger in advance RN-UE transmission SR and apply for that to DeNB the benefit of resource is: can shorten the time delay of DeNB to the scheduling of RN-UE business, thereby shorten the time delay of whole data dispatch flow process.
And, this step also has a place that is different from prior art to be: this step is first to report BSR, the UE data volume to be sent of UE buffering area is just described, offering RN-eNB knows, so that scheduling, follow-uply just can send UE business datum, wherein, described UE data volume to be sent can be understood as virtual data amount, it is not the data volume of actual transmission, the actual data volume sending refers to the described UE business datum occurring in accompanying drawing and text description herein, and what in the step of prior art flow process, send is all described UE business datum.
Here, BSR being converted to UE data volume to be sent comprises: the BSR value that RN-eNB sends UE in TTI converts buffering area quantity size to.Concrete, BSR comprises index value, the interval of a buffering area quantity size of the corresponding sign of each index value.
The BSR value that described RN-eNB sends UE in TTI converts buffering area quantity size to and can adopt any numerical value in above-mentioned interval, preferably, can get higher limit in the above-mentioned interval that index value is corresponding as the UE being converted to data volume to be sent.
Here it is to be noted: any UE is owing to can processing different business kind, as video traffic, speech business, text services etc. different business, accordingly, the corresponding logic channel of each business, thereby for any UE, by each logic channel of UE, form a logic channel group.Thereby, RN-eNB receives BSR, BSR is converted to UE data volume to be sent is further: need to safeguard the UE data volume to be sent in each logic channel group that a UE or a plurality of UE report, BSR in each logic channel group that a UE or a plurality of UE are reported is converted into buffer area data volume size, when BSR is converted into buffer area data volume size, the index value that preferably BSR comprises the higher limit of corresponding interval, as the UE outgoing data amount in one of them logic channel group.
Here, BSR is converted into buffer area data volume size, the conversion table that can provide according to 3gpp agreement, as existing protocol TS36.321Table6.1.3.1-1:Buffer size levels for BSR realizes.The benefit that BSR is converted into buffer area data volume size is: because BSR cannot add up, but be converted into buffer area data volume size, just can add up, thereby can realize, the data volume of all UE is added up, to obtain total data volume, to carry out follow-up data dispatch, in follow-up data dispatch, the SR that triggers RN-UE sends, make RN-UE apply for that to DeNB the moment of resource shifts to an earlier date, to reach data dispatch as early as possible, reduce the object of service delay, RN-UE gets uplink authorization, while reporting BSR to DeNB, because this BSR is comprised of two parts BSR, therefore, this BSR is in order to illustrate two parts data volume of corresponding two parts BSR, thereby get uplink authorization at RN-UE, while reporting BSR to DeNB, except inquiring about RN-UE side buffer state (with clear and definite RN-UE side buffering area data volume to be sent), also need outgoing data amount in counterlogic channel group (the UE data volume to be sent forwarding with clear and definite RN-eNB) to count and consider in the lump.
Subsequent step 409 can be specifically described this BSR, does not repeat herein.
Here, for a plurality of UE, report the situation of BSR, data volume in the counterlogic channel group that all UE need to be reported is accumulated, accumulate data volume size that in each logic channel group, all UE report and obtain the summation of UE data volume to be sent in each logic channel group, the summation of this UE data volume to be sent is sent to RN-UE.
Here, RN-eNB can report RN-UE by the outgoing data amount in each logic channel group according to the frequency of every millisecond, and triggers the SR transmission of RN-UE.
When step 405:RN-eNB receives the BSR that UE reports, also need to issue uplink authorization to UE.
Step 406:UE uplink scheduling UE business datum is to RN-eNB.
Step 407:RN-UE receives the UE data volume to be sent of the service UE that RN-eNB forwards, and RN-UE sends SR application ascending resource to DeNB.
Here, this step is one of core inventive point of the present invention, be different from the flow process of prior art, this step triggers in advance RN-UE transmission SR and applies for resource to DeNB, it is the just execution of UE data volume to be sent of receiving that RN-eNB forwards, be different from prior art, as shown in prior art step 305-307, prior art is to receive that UE business datum that RN-eNB forwards just triggers RN-UE and sends SR and apply for resource to DeNB.That is to say, of the present invention step is owing to being the UE data volume to be sent forwarding for RN-eNB, that reserved resource is to carry out the concept of data dispatch, and prior art is not to reserve resource to carry out the concept of data dispatch, must definitely receive that the UE business datum of RN-eNB forwarding just can be carried out, thereby, the present invention is different from prior art, there is reserved lead, therefore, further reduced the time delay of whole data dispatch flow process.
Step 408:DeNB receives the SR of RN-UE, to RN-UE, distributes bandwidth, issues uplink authorization.
Step 409:RN-UE receives uplink authorization, to DeNB, reports BSR, and this BSR comprises two parts content, and a part is the existing BSR of RN-UE side (being the BSR of RN-UE self), and another part is the BSR that UE that the RN-eNB that newly receives forwards reports.
Here, this step is one of core inventive point of the present invention, be different from the flow process of prior art, as shown in prior art step 309, to DeNB, report BSR, BSR only comprises the existing BSR of RN-UE side (being the BSR of RN-UE self), and this BSR is in order to illustrate RN-UE side buffering area data volume to be sent.And the BSR that this step comprises two parts content, in order to two parts data volume to be described, be: the data volume (existing BSR identifies this data volume by described RN-UE side) that RN-UE side buffering area is to be sent, and the UE data volume to be sent (BSR that the UE forwarding by described RN-eNB reports identifies this data volume) of RN-eNB forwarding.Because this step comprises the BSR of two parts content, therefore, RN-UE reports the BSR of this two parts content to DeNB, can apply for extra uplink authorization to DeNB, and its benefit is: can carry out the preparation of advance reservation, to send UE business datum on the horizon.
After step 410:RN-eNB receives the UE business datum of service UE, UE business datum is sent to the buffering area of RN-UE side.
Step 411:DeNB receives the BSR that RN-UE reports, and to RN-UE, issues uplink authorization.
Step 412:RN-UE uplink scheduling UE business datum is to DeNB.
Step 413:DeNB sends to EPC by the up UE business datum of UE.
With regard to RN-eNB side, trunking of the present invention is positioned at RN-eNB side, comprising:
The first receiving element, for receiving the Buffer Status Report BSR of reported by user equipment UE;
Converting unit, for being converted to described BSR UE data volume to be sent;
The first transmitting element, for described UE data volume to be sent is transmitted to RN-UE, triggers in advance RN-UE and applies for resource to DeNB.
Here, described the first receiving element, is further used for receiving the dispatch request SR that UE sends; Receive the UE business datum that described UE sends;
Described the first transmitting element, is further used for issuing uplink authorization according to described SR, for described UE distributes bandwidth; Described UE business datum is transmitted to described RN-UE.
Here, described converting unit, is further used for the index value that comprises according to described BSR, obtains the interval of the buffering area quantity size that described index value is corresponding, from the optional numerical value of described interval as described UE data volume to be sent; Or, using the higher limit of described interval as described UE data volume to be sent.
Here, this equipment also comprises data accumulation unit, for described UE, be a plurality of UE, each logic channel of each UE forms in a logic channel group situation, the BSR of each logic channel group of the correspondence that a plurality of UE are reported is converted to the UE data volume to be sent of each logic channel group, the UE of each logic channel group data volume to be sent is added up to obtain to the summation of UE data volume to be sent;
Described the first transmitting element, is further used for the UE of each logic channel group data volume to be sent to be transmitted to described RN-UE.
With regard to RN-UE side, trunking of the present invention is positioned at RN-UE side, comprising:
The second receiving element, the user equipment (UE) data volume to be sent forwarding for receiving RN-eNB;
The second transmitting element, while applying for resource for triggering in advance to DeNB, sends dispatch request SR to described DeNB.
Here, described the second transmitting element, is further used for reporting BSR to described DeNB;
The BSR reporting specifically comprises: the BSR of sign RN-UE side self buffer data volume to be sent and identify the BSR of the UE data volume to be sent that described RN-eNB forwards.
Here, described the second receiving element, the UE business datum forwarding for receiving RN-eNB;
Described the second transmitting element, is further used for described in uplink scheduling UE business datum to DeNB.
Via node of the present invention, comprising: the trunking of the trunking of the above-mentioned RN-eNB of being positioned at side and the above-mentioned RN-UE of being positioned at side.
System of the present invention, is positioned at the trunking of RN-eNB side and the trunking of the above-mentioned RN-UE of being positioned at side except comprising existing DeNB, EPC and UE, also comprising.
The above, be only preferred embodiment of the present invention, is not intended to limit protection scope of the present invention.
Claims (16)
1. a method for data dispatch, is characterized in that, the method comprises:
RN-eNB receives the Buffer Status Report BSR of reported by user equipment UE, and described BSR is converted to UE data volume to be sent;
Described UE data volume to be sent is transmitted to RN-UE, triggers in advance RN-UE to host base station DeNB application resource.
2. method according to claim 1, is characterized in that, the method also comprises:
Before described RN-eNB receives described BSR, described RN-eNB receives the dispatch request SR that UE sends, and issues uplink authorization, for described UE distributes bandwidth;
After described RN-eNB issues described uplink authorization to described UE, described RN-eNB receives the UE business datum that described UE sends, and described UE business datum is transmitted to described RN-UE.
3. method according to claim 2, is characterized in that, describedly described BSR is converted to UE data volume to be sent specifically comprises:
The index value that described RN-eNB comprises according to described BSR, obtains the interval of the buffering area quantity size that described index value is corresponding, from the optional numerical value of described interval as described UE data volume to be sent; Or, using the higher limit of described interval as described UE data volume to be sent.
4. according to the method described in claims 1 to 3 any one, it is characterized in that, described UE is a plurality of UE, and each logic channel of each UE forms a logic channel group;
Accordingly, describedly described BSR is converted to UE data volume to be sent is further: the BSR of each logic channel group of the correspondence that described RN-eNB reports a plurality of UE is converted to the UE data volume to be sent of each logic channel group, the UE of each logic channel group data volume to be sent is added up to obtain to the summation of UE data volume to be sent;
Accordingly, describedly described UE data volume to be sent is transmitted to RN-UE is further: described RN-eNB is transmitted to RN-UE by the UE of each logic channel group data volume to be sent.
5. a method for data dispatch, is characterized in that, the method comprises:
RN-UE receives while triggering in advance to host base station DeNB application resource after the user equipment (UE) data volume to be sent that RN-eNB forwards, sends dispatch request SR to described DeNB.
6. method according to claim 5, is characterized in that, the method also comprises: described DeNB issues uplink authorization after receiving described SR, and described RN-UE receives described uplink authorization, and RN-UE reports BSR to described DeNB;
The BSR that RN-UE reports specifically comprises: the BSR of the UE data volume to be sent that the BSR of sign RN-UE side self buffer data volume to be sent and the described RN-eNB of sign forward.
7. according to the method described in claim 5 or 6, it is characterized in that, the method also comprises:
Described RN-UE reports BSR to after described DeNB, and RN-UE receives the UE business datum that RN-eNB forwards;
After described RN-UE receives the uplink authorization that BSR that DeNB reports according to described RN-UE issues, distribute described in bandwidth uplink scheduling UE business datum to DeNB.
8. a trunking, is characterized in that, this equipment is positioned at RN-eNB side, comprising:
The first receiving element, for receiving the Buffer Status Report BSR of reported by user equipment UE;
Converting unit, for being converted to described BSR UE data volume to be sent;
The first transmitting element, for described UE data volume to be sent is transmitted to RN-UE, triggers RN-UE in advance to host base station DeNB application resource.
9. equipment according to claim 8, is characterized in that, described the first receiving element is further used for receiving the dispatch request SR that UE sends; Receive the UE business datum that described UE sends;
Described the first transmitting element, is further used for issuing uplink authorization according to described SR, for described UE distributes bandwidth; Described UE business datum is transmitted to described RN-UE.
10. equipment according to claim 9, it is characterized in that, described converting unit, be further used for the index value comprising according to described BSR, obtain the interval of the buffering area quantity size that described index value is corresponding, from the optional numerical value of described interval as described UE data volume to be sent; Or, using the higher limit of described interval as described UE data volume to be sent.
Equipment described in 11. according to Claim 8 to 10 any one, it is characterized in that, this equipment also comprises data accumulation unit, for described UE, be a plurality of UE, each logic channel of each UE forms in a logic channel group situation, the BSR of each logic channel group of the correspondence that a plurality of UE are reported is converted to the UE data volume to be sent of each logic channel group, the UE of each logic channel group data volume to be sent is added up to obtain to the summation of UE data volume to be sent;
Described the first transmitting element, is further used for the UE of each logic channel group data volume to be sent to be transmitted to described RN-UE.
12. 1 kinds of trunkings, is characterized in that, this equipment is positioned at RN-UE side, comprising:
The second receiving element, the user equipment (UE) data volume to be sent forwarding for receiving RN-eNB;
The second transmitting element, while applying for resource for triggering in advance to host base station DeNB, sends dispatch request SR to described DeNB.
13. equipment according to claim 12, is characterized in that, described the second transmitting element is further used for reporting BSR to described DeNB;
The BSR reporting specifically comprises: the BSR of the UE data volume to be sent that the BSR of sign RN-UE side self buffer data volume to be sent and the described RN-eNB of sign forward.
14. according to the equipment described in claim 12 or 13, it is characterized in that, described the second receiving element, the UE business datum forwarding for receiving RN-eNB;
Described the second transmitting element, is further used for described in uplink scheduling UE business datum to DeNB.
15. 1 kinds of via nodes, is characterized in that, described via node comprises trunking and the trunking as described in claim 12-14 any one as described in claim 8-11 any one.
16. 1 kinds of data dispatch systems, this system comprises host base station DeNB, core net EPC, user equipment (UE), it is characterized in that, this system also comprises: the trunking as described in claim 8-11 any one and the trunking as described in claim 12-14 any one.
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