CN102056332A - Method and system for optimizing processing flow of buffer zone status report - Google Patents
Method and system for optimizing processing flow of buffer zone status report Download PDFInfo
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- CN102056332A CN102056332A CN200910236838XA CN200910236838A CN102056332A CN 102056332 A CN102056332 A CN 102056332A CN 200910236838X A CN200910236838X A CN 200910236838XA CN 200910236838 A CN200910236838 A CN 200910236838A CN 102056332 A CN102056332 A CN 102056332A
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Abstract
The invention discloses a method for optimizing the processing flow of a buffer zone status report (BSR). The method comprises the following steps of: reporting the BSR in the format of a truncate BSR or a new BSR media access control (MAC) control element when more than one logic channel group (LCG) has data capable of being transmitted and uplink resource is insufficient to report a long BSR; or, choosing not to report the BSR, and waiting to report next time. The invention discloses a system for optimizing the processing flow of a BSR. In the system, a report unit is selected and used for reporting the BSR in the format of a truncate BSR or a new BSR MAC control element when more than one LCG has data capable of being transmitted and the uplink resource is insufficient to report the long BSR. The reporting of the BSR is improved by the method and the system under the the condition that the uplink resource is insufficient to report the long BSR.
Description
Technical field
The present invention relates to the digital mobile communication technical field, relate in particular to the optimization method and the system of Buffer Status Report in a kind of wireless communication system (BSR, Buffer Status Reporting) handling process.
Background technology
Be illustrated in figure 1 as the schematic diagram of E-UTRAN Radio interface protocols uplink layer 2 structures.E-UTRAN is 3G (Third Generation) Moblie Long Term Evolution (LTE, Long Term Evolution) universal land radio access web of the evolution of system, (eNB) forms by a plurality of enhanced base stations, and E-UTRAN represents with Evolved UniversalTerrestrial Radio Access Network.Among Fig. 1,, there is scheduling/processed functional entity at medium access control (MAC, MediaAccess Control) protocol layer.(UE UserEquipment) reports BSR to subscriber equipment, informs the information that can be used for the data transmitted on the base station in the row buffer, is used to realize uplink scheduling function and processed function.
According to the difference of trigger condition, BSR is divided into three kinds: conventional BSR, fill BSR and cycle BSR.Below set forth respectively.
The trigger condition of conventional BSR comprises from belonging to logic channel group (LCG, the upper layer data that transmits of logic channel logical channelgroup) arrives, if the logic channel of the existing LCG of belonging to does not have the upper layer data that can transmit, then trigger conventional BSR; If the logic channel of the existing LCG of belonging to has the upper layer data that can transmit, and the logic channel of new data then triggers conventional BSR than the priority of logical channels height of data with existing.In addition, if the BSR retransmission timer is overtime, and the logic channel of the existing LCG of belonging to has the upper layer data that can transmit, and then triggers conventional BSR.
The trigger condition of filling BSR comprises that UE has obtained ascending resource, and the filling bit in the ascending resource is enough to hold transmission BSR.
The trigger condition of cycle BSR comprises that the BSR cycle timer is overtime.
The transmission form of BSR is encapsulated among the MAC PDU for BSR MAC control unit, goes up transmission at Uplink Shared Channel (UL-SCH, Uplink Shared Channel).BSR MAC control unit comprises three kinds of forms: short BSR, brachymemma BSR and long BSR.Wherein, short BSR is the same with the form of brachymemma BSR, is made up of the field of an indication LCG and the field of a corresponding buffer size of indication, as shown in Figure 2.Long BSR is made up of the field of four indication buffer size, corresponds to LCG ID#0 to LCG ID#3 successively, as shown in Figure 3.According to indicating the field of Logic Channel Identifier (LCID) can distinguish three kinds of different BSR in the MAC head, wherein LCID=11100 represents brachymemma BSR, and LCID=11101 represents short BSR, and LCID=11110 represents long BSR.
For conventional BSR and cycle BSR, if having the data that can transmit are arranged more than 1 LCG, then adopt long BSR to report, otherwise adopt short BSR to report.
For filling BSR, if filling bit more than or equal to long BSR and its MAC big or small sum, then adopts long BSR to report; Otherwise, if having the data that can transmit are arranged more than 1 LCG, then adopt brachymemma BSR to report the buffer size of LCG at the logic channel place of the limit priority that can transmit data, otherwise adopt short BSR to report.
After sending BSR last time, trigger at least one BSR or triggered at least one BSR for the first time, then according to following flow processing: if current transmission time interval (TTI) is useful on the first ascending resource that passes, then generate BSR MAC control unit, start or restart the BSR retransmission timer according to above-mentioned rule; If that report is not brachymemma BSR, then starts or restart cycle BSR timer; If current TTI is not used in the first ascending resource that passes, and has triggered conventional BSR, then trigger dispatch request (SR, Scheduling Request).
Can cancel the BSR of all triggerings in both cases, a kind of situation is: but uplink authorization is enough to transmit all data that can transmit is not enough to transmit BSR MAC control unit and MAC head thereof; Another kind of situation is: sent BSR.
Among the BSR that triggers conventional BSR or cycle BSR are arranged, its handling process may further comprise the steps as shown in Figure 5:
As can be seen, the handling process of Fig. 5 and complete inadequately.Under the insufficient situation of ascending resource (the ascending resource minimum can be 16 bits), being useful on the first ascending resource that passes as current TTI is 16 bits or 24 bits, and the BSR that triggers is cycle BSR, has more than 1 LCG the data that can transmit are arranged.Handling process according to Fig. 5 should generate BSR MAC control unit this moment, for cycle BSR, if having more than 1 LCG the data that can transmit is arranged, and then adopts long BSR to report, and promptly needs 32 bits, and obviously the ascending resource of this moment can't satisfy.
In sum, in the existing procedure, ascending resource is not enough to report the situation of long BSR how to handle to carry out standard when relating to cycle BSR, and same problem is also arranged when relating to conventional BSR, press for a kind of optimization method of BSR handling process at present, solve this problem.
Summary of the invention
In view of this, main purpose of the present invention is to provide a kind of optimization method and system of BSR handling process, is not enough to report the situation of long BSR at ascending resource, perfect reporting of BSR.
For achieving the above object, technical scheme of the present invention is achieved in that
A kind of optimization method of Buffer Status Report handling process, this method comprises: when the Buffer Status Report (BSR) that triggers comprises conventional BSR and/or cycle BSR; Existence has the data that can transmit more than 1 logic channel group (LCG), and ascending resource is when being not enough to report long BSR, selects the form of brachymemma BSR or new BSR medium access control (MAC) control unit to report BSR; Perhaps, select not report BSR, wait for next time and report.
Wherein, described ascending resource is not enough to report long BSR to be specially: the size of ascending resource is less than the big or small sum of long BSR and MAC head thereof.
Wherein, among the described brachymemma BSR, specifically comprise: the field of indication LCG sign and the field of the corresponding buffer size of indication; Wherein,
The field of described indication LCG sign is specifically indicated: the sign that the affiliated LCG of logic channel of the limit priority that can transmit data is arranged; The field of the corresponding buffer size of described indication is specifically indicated: the buffer size of described LCG.
Wherein, described new BSR MAC controls in the unit, specifically comprises: the field of two indication LCG signs and the fields of two corresponding buffer size of indication; Wherein,
The field of an indication LCG sign is specifically indicated: the sign that the LCG under the logic channel of the limit priority that can transmit data is arranged; Field of another indication LCG sign is specifically indicated: in the field of previous indication LCG sign the included logic channel of LCG, the sign of the LCG under the logic channel of the limit priority that can transmit data is arranged; The concrete respectively indication of the field of two corresponding buffer size of indication: the buffer size of LCG in the field of two indication LCG signs.
Wherein, this method further comprises: when the BSR that triggers comprises conventional BSR, trigger dispatch request (SR); Perhaps do not trigger SR.
Wherein, report under the situation of BSR, this method further comprises: when the BSR that triggers comprises conventional BSR, and the BSR that reports BSR cancellation afterwards to trigger; Perhaps, report BSR not cancel the BSR of triggering afterwards.
Wherein, report under the situation of BSR, this method further comprises: when the BSR that triggers has cycle BSR, and the BSR that reports BSR cancellation afterwards to trigger; Perhaps, report BSR not cancel the BSR of triggering afterwards.
Wherein, report under the situation of BSR, this method further comprises: start or restart the BSR retransmission timer.
Wherein, report under the situation of BSR, this method further comprises: start or restart the BSR cycle timer; Perhaps, do not start or restart the BSR cycle timer.
A kind of optimization system of Buffer Status Report handling process, this system comprises: select to report the unit or select not report the unit; Wherein,
Selection reports the unit, is used for comprising conventional BSR and/or cycle BSR as the BSR that triggers; Existence has the data that can transmit more than 1 LCG, and ascending resource is when being not enough to report long BSR, selects the form of brachymemma BSR or new BSR MAC control unit to report BSR;
Select not report the unit, be used for comprising conventional BSR and/or cycle BSR as the BSR that triggers; Existence has the data that can transmit more than 1 LCG, and ascending resource selects not report BSR when being not enough to report long BSR, waits for next time and reports.
Wherein, described selection reports the unit, is further used for selecting to report BSR when the size of ascending resource during less than the big or small sum of long BSR and MAC head thereof.
Wherein, described selection reports the unit, further comprises the form package module, wherein,
Adopt under the situation of form encapsulation of described brachymemma BSR, described form package module is used for the described brachymemma BSR in encapsulation, specifically comprises: the field of indication LCG sign and the field of the corresponding buffer size of indication; Wherein, the field of described indication LCG sign is specifically indicated: the sign that the affiliated LCG of logic channel of the limit priority that can transmit data is arranged; The field of the corresponding buffer size of described indication is specifically indicated: the buffer size of described LCG; Perhaps,
Under the situation that the form that adopts described new BSR MAC to control unit encapsulates, described form package module, be used for described new BSR MAC control unit, specifically comprise: the field of two indication LCG signs and the field of two corresponding buffer size of indication in encapsulation; Wherein, the field of an indication LCG sign is specifically indicated: the sign that the LCG under the logic channel of the limit priority that can transmit data is arranged; Field of another indication LCG sign is specifically indicated: in the field of previous indication LCG sign the included logic channel of LCG, the sign of the LCG under the logic channel of the limit priority that can transmit data is arranged; The concrete respectively indication of the field of two corresponding buffer size of indication: the buffer size of LCG in the field of two indication LCG signs.
Wherein, described selection does not report the unit, is further used for selecting not report BSR when the size of ascending resource during less than the big or small sum of long BSR and MAC head thereof, waits for next time and reports.
The present invention works as the BSR that triggers and comprises conventional BSR and/or cycle BSR; Existence has the data that can transmit more than 1 LCG, and ascending resource is when being not enough to report long BSR, selects the form of brachymemma BSR or new BSR MAC control unit to report BSR; Perhaps, select not report BSR, wait for next time and report.
Adopt the present invention, perfect in conventional BSR and/or cycle BSR, BSR handling process when ascending resource is not enough to report long BSR, that is: for conventional BSR and/or cycle BSR, when ascending resource is not enough to report long BSR, select brachymemma BSR or the new first form of BSR MAC control to report BSR; Perhaps, select not report BSR, wait for next time and report.
Description of drawings
Fig. 1 is the schematic diagram of existing E-UTRAN Radio interface protocols uplink layer 2 structures;
Fig. 2 is the schematic diagram of existing short BSR or brachymemma BSR form;
Fig. 3 is the schematic diagram of existing long BSR form;
Fig. 4 is the schematic diagram of the new BSR form of the present invention;
Fig. 5 is a BSR handling process schematic diagram in the prior art;
Fig. 6 is the schematic diagram of the present invention program one embodiment;
Fig. 7 is the schematic diagram of the present invention program two embodiment.
Embodiment
Basic thought of the present invention is: perfect in conventional BSR and/or cycle BSR, BSR handling process when ascending resource is not enough to report long BSR, that is: for conventional BSR and/or cycle BSR, when ascending resource is not enough to report long BSR, select brachymemma BSR or the new first form of BSR MAC control to report BSR; Perhaps, select not report BSR, wait for next time and report.
Be described in further detail below in conjunction with the enforcement of accompanying drawing technical scheme.
A kind of optimization method of Buffer Status Report handling process, this method comprises: when the BSR that triggers comprises conventional BSR and/or cycle BSR; Existence has the data that can transmit more than 1 LCG, and ascending resource is when being not enough to report long BSR, and a kind of implementation is: select the form of brachymemma BSR or new BSR MAC control unit to report BSR.Another kind of implementation is: select not report BSR, wait for next time and report.Below these two kinds of different implementations are set forth respectively.
First kind of situation: select to adopt the implementation that reports.
No matter at conventional BSR, or cycle BSR, ascending resource is not enough to report long BSR to be specially: the size of ascending resource is less than the big or small sum of long BSR and MAC head thereof.
When the form that adopts brachymemma BSR generates BSR MAC control unit, on realizing, give the correct time, among this brachymemma BSR, specifically comprise: the field of indication LCG sign and the field of the corresponding buffer size of indication.
Wherein, the field of indication LCG sign is specifically indicated: the sign that the affiliated LCG of logic channel of the limit priority that can transmit data is arranged.
Indicate the field of corresponding buffer size specifically to indicate: the buffer size of LCG in the field of this indication LCG sign.
When the form that adopts new BSR MAC control unit generates BSR MAC control unit, on realizing, give the correct time, in this new BSR MAC control unit, specifically comprise: the field of two indication LCG signs and the field of two corresponding buffer size of indication.
Wherein, the field of an indication LCG sign is specifically indicated: the sign that the LCG under the logic channel of the limit priority that can transmit data is arranged; Field of another indication LCG sign is specifically indicated: in the field of previous indication LCG sign the included logic channel of LCG, the sign of the LCG under the logic channel of the limit priority that can transmit data is arranged.
The concrete respectively indication of the field of two corresponding buffer size of indication: the buffer size of LCG in the field of two indication LCG signs.
Second kind of situation: select to adopt the implementation that does not report.
No matter at conventional BSR, or cycle BSR, ascending resource is not enough to report long BSR to be specially: the size of ascending resource is less than the big or small sum of long BSR and MAC head thereof.
At cycle BSR, the size of ascending resource selects not report BSR less than the big or small sum of long BSR and MAC head thereof, waits for next time and reports.
At conventional BSR, the size of ascending resource selects not report BSR less than the big or small sum of long BSR and MAC head thereof, waits for next time and reports.
More than in two kinds of situations, no matter report under the situation of BSR, still do not report under the situation of BSR, this method further all comprises: when the BSR that triggers comprises conventional BSR, trigger SR; Perhaps do not trigger SR.
Report under the situation of BSR, this method further comprises: when the BSR that triggers comprises conventional BSR, and the BSR that reports BSR cancellation afterwards to trigger; Perhaps, report BSR not cancel the BSR of triggering afterwards.Wherein, the cancellation or do not cancel " BSR of triggering " related among the BSR of triggering, comprising: conventional BSR; Optionally comprise: fill BSR and/or cycle BSR.
Report under the situation of BSR, this method further comprises: when the BSR that triggers has cycle BSR, and the BSR that reports BSR cancellation afterwards to trigger; Perhaps, report BSR not cancel the BSR of triggering afterwards.Wherein, the cancellation or do not cancel " BSR of triggering " related among the BSR of triggering, comprising: cycle BSR; Optionally comprise: fill BSR and/or conventional BSR.
Report under the situation of BSR, this method further comprises: start or restart the BSR retransmission timer.
Report under the situation of BSR, this method further comprises: start or restart the BSR cycle timer; Perhaps, do not start or restart the BSR cycle timer.
In sum, the present invention mainly comprises following content:
The present invention is primarily aimed at the situation that ascending resource is not enough to report long BSR, improves the handling process that BSR reports, and relates to conventional BSR and cycle BSR.In addition, at conventional BSR, the present invention also involves the processing scheme of the problem that whether needs to trigger SR.
Particular content is as follows:
Scheme one: the situation of selecting to report BSR.
For conventional BSR and cycle BSR, more than 1 LCG the data that can transmit are arranged if exist, and the size of ascending resource then reports BSR less than the big or small sum of long BSR and MAC head thereof.
Further, the form of the described BSR that reports is brachymemma BSR, or introduces new BSR MAC and control first form.Described new BSR MAC controls the field that first form comprises two LCG signs of indication and corresponding buffer size, as shown in Figure 4.Adopt described brachymemma BSR, field of its indication LCG sign refers to the sign of the LCG under the logic channel of the limit priority that can transmit data; It indicates the field of corresponding buffer size to refer to the buffer size of above-mentioned LCG.Adopt described new BSR MAC to control first form, field of its indication LCG sign refers to the sign of the LCG under the logic channel of the limit priority that can transmit data, and except the logic channel that above-mentioned LCG comprises, the sign of the LCG under the logic channel of the limit priority that can transmit data is arranged; It indicates the field of corresponding buffer size to refer to the buffer size of above-mentioned two LCG.
Here, describe as follows at above-mentioned " field of indication LCG sign refers to the sign of the LCG under the logic channel of the limit priority that can transmit data; and except the logic channel that above-mentioned LCG comprises, the sign of the LCG under the logic channel of the limit priority that can transmit data is arranged ":
Such as logic channel 1,2,3,4, wherein 1,2 belong to LCG1, and 3 belong to LCG2, and 4 belong to LCG3, and the priority of logic channel is 1＞2＞3＞4.If 4 logic channels all have the data that can transmit, then new BSR form only reports the buffer size of LCG1 and LCG2.Wherein, LCG1 is by logic channel 1 decision; LCG2 is by logic channel 3 decisions.Though priority ratio logic channel 3 height of logic channel 2, logic channel 2 belongs to LCG1, has reported.
Further, report described BSR, then start or restart the BSR retransmission timer.
Further, report described BSR, then start or restart the BSR cycle timer; Perhaps report described BSR, then do not start or restart the BSR cycle timer.
Further,, report described BSR, then trigger SR for conventional BSR; Perhaps, report described BSR, then do not trigger SR for conventional BSR.
Further, for conventional BSR, send the BSR that described BSR cancellation afterwards triggers; Perhaps, send the BSR that described BSR does not cancel triggering afterwards for conventional BSR.
Further, for cycle BSR, send the BSR that described BSR cancellation afterwards triggers; Perhaps, send the BSR that described BSR does not cancel triggering afterwards for cycle BSR.
Scheme two: the situation of selecting not send BSR.
For cycle BSR, more than 1 LCG the data that can transmit are arranged as if existing, and the size of ascending resource does not then report BSR less than the big or small sum of long BSR and MAC head thereof, wait transmission next time.
For conventional BSR, more than 1 LCG the data that can transmit are arranged as if existing, and the size of ascending resource does not then report BSR less than the big or small sum of long BSR and MAC head thereof, wait transmission next time.
Below to the present invention's elaboration of giving an example.
Do not have problem described in the invention owing to fill BSR, therefore, what following examples were described is that conventional BSR or cycle BSR use situation of the present invention.
Suppose that UE has 4 logic channel: LC1, LC2, LC3 and LC4, they belong to 4 logic channel group: LCG1, LCG2, LCG3, LCG4 respectively, and their priority is followed successively by: LC1＞LC2＞LC3＞LC4.Suppose that except LC2 other 3 logic channels all have the upper layer data that can transmit.
The embodiment of scheme one:
Each TTI, the handling process of UE may further comprise the steps as shown in Figure 6:
Step 601: judge that whether current TTI is useful on the first ascending resource that passes, if having, enters step 602; If no, enter step 603.
Step 602: generate BSR MAC control unit.Judging whether has the data that can transmit more than 1 LCG, if having, enters step 6021; If no, enter step 6022;
Here need to prove that fill the form that BSR reports and adopt existing procedure, its reason is: when having stipulated that ascending resource is not enough to report long BSR, adopt the form of BSR MAC control unit to fill BSR for brachymemma BSR reports.If what report in the step 602 is to fill BSR, then enter step 604 according to prior art.6021～6024 of following steps are at conventional BSR and cycle BSR.
Step 6021: judge whether ascending resource is enough to report long BSR, promptly whether the size of ascending resource more than or equal to the size of long BSR and MAC head thereof, if, enter step 6023, otherwise, step 6024 entered.
Step 6022: adopt short BSR to generate BSR MAC control unit, enter step 604.
Step 6023: adopt long BSR to generate BSR MAC control unit, enter step 604.
Step 6024: adopt brachymemma BSR or the new BSR MAC that introduces to control first form and generate BSRMAC control unit, enter step 604.
Here need to prove if ascending resource is not enough to report the BSR MAC of new introducing to control first form, as to have only 16 bits, can only adopt brachymemma BSR to report sign and the buffer size of LCG1 this moment.If ascending resource is enough to report the BSR MAC of new introducing to control first form, as have only 24 bits, can adopt brachymemma BSR to report sign and the buffer size of LCG1 this moment, 16 remaining bits can be used for reporting power overhead report (PHR, Power Headroom Reporing) MAC controls unit, or from the data of Dedicated Control Channel (DCCH, Dedicated Control Channel), or from data of Dedicated Traffic Channel (DTCH, Dedicated Traffic Channel) etc.; Also can adopt the BSR MAC of new introducing to control sign and the buffer size that first form reports LCG1 and LCG2.
Step 603: whether the BSR that judge to trigger has conventional BSR, if having then trigger SR.
Step 604: start or restart the BSR retransmission timer, start or restart the BSR cycle timer, judge whether the BSR that triggers has conventional BSR, if having then trigger SR.
Here need to prove in this step processing to the BSR cycle timer.
To the processing of BSR cycle timer, be except adopting brachymemma BSR in the prior art, start or restart the BSR cycle timer.Have only the BSR of filling to adopt brachymemma BSR in the prior art.But among the present invention, conventional BSR, cycle BSR also can adopt brachymemma BSR.
For filling BSR, still adopt prior art, start when promptly adopting long BSR or short BSR or restart the BSR cycle timer, do not start during employing brachymemma BSR or restart the BSR cycle timer.
For conventional BSR and cycle BSR, start when adopting long BSR or short BSR or restart the BSR cycle timer.
For conventional BSR and cycle BSR, when the present invention adopts brachymemma BSR or the new BSR MAC that introduces to control first form, can adopt same processing, as all starting or restarting the BSR cycle timer, perhaps do not start or restart the BSR cycle timer; Perhaps adopt different processing, start or restart the BSR cycle timer as a kind of BSR, another kind of BSR does not start or restarts the BSR cycle timer.
In addition, even there is conventional BSR also can not trigger SR, because UE thinks that the BSR that the capable basis in base station reports distributes uplink authorization to be used to report BSR or data once more, therefore also can not trigger SR.
For the scene that conventional BSR and cycle BSR are arranged among the BSR that triggers, generate BSR MAC control unit if adopt brachymemma BSR or the new BSR MAC that introduces to control first form, after then BSR sends, all BSR that cancellation has triggered; Perhaps, do not cancel all BSR that triggered.
For having conventional BSR not have the scene of cycle BSR and having cycle BSR not have the scene of conventional BSR, can adopt identical processing, that is: two kinds of scenes are all cancelled the BSR that has triggered, perhaps do not cancel the BSR that has triggered; Also can adopt different processing, that is: a kind of scene is cancelled BSR, and another kind of scene is not cancelled BSR.
The embodiment of scheme two:
Each TTI, the handling process of UE may further comprise the steps as shown in Figure 7:
Step 701: judge that whether current TTI has enough first ascending resources that passes that is used for, if having, enters step 702; If no, enter step 703.
Here need to prove if the BSR that triggers has only filling BSR, do not have conventional BSR or cycle BSR, so-called enough first ascending resources that passes that is used for refer to: ascending resource is arranged.Otherwise that is: the BSR of triggering comprises conventional BSR or cycle BSR, if there are the data more than 1 LCG to report, so-called enough first ascending resources that passes that is used for refer to: the size of ascending resource is more than or equal to the size of long BSR and MAC head thereof; Otherwise so-called enough first ascending resources that passes that is used for refer to: the size of ascending resource is more than or equal to the size of short BSR and MAC head thereof.
Step 702: generate BSR MAC control unit, start or restart the BSR retransmission timer, start or restart BSR cycle timer (do not start during brachymemma BSR or restart).
Here need to prove,, all adopt prior art to generate BSR MAC control unit for conventional BSR, cycle BSR, filling BSR.
Step 703: whether the BSR that judge to trigger has conventional BSR, if having then trigger SR.
A kind of optimization system of Buffer Status Report handling process, this system or comprise: select to report the unit, or comprise that selection does not report the unit.
Wherein, when this system comprises that selection reports the unit, select to report the unit to be used for comprising conventional BSR and/or cycle BSR as the BSR that triggers; Existence has the data that can transmit more than 1 LCG, and ascending resource is when being not enough to report long BSR, selects the form of brachymemma BSR or new BSR MAC control unit to report BSR.
When this system comprises that selection does not report the unit, select not report the unit to be used for comprising conventional BSR and/or cycle BSR as the BSR that triggers; Existence has the data that can transmit more than 1 LCG, and ascending resource selects not report BSR when being not enough to report long BSR, waits for next time and reports.
Here, at selecting to report the unit, select to report the unit to be further used for when the size of ascending resource during less than long BSR and MAC 's big or small sum, selection reports BSR.
Selection reports the unit further to comprise the form package module, wherein, under the situation of the form encapsulation of employing brachymemma BSR, the form package module is used for the described brachymemma BSR in encapsulation, specifically comprises: the field of indication LCG sign and the field of the corresponding buffer size of indication.Wherein, the field of indication LCG sign is specifically indicated: the sign that the affiliated LCG of logic channel of the limit priority that can transmit data is arranged.Indicate the field of corresponding buffer size specifically to indicate: the buffer size of LCG.
Under the situation that the form that adopts new BSR MAC to control unit encapsulates, the form package module is used for the new BSR MAC control unit in encapsulation, specifically comprises: two field and two fields of indicating corresponding buffer size of indicating the LCG sign.Wherein, the field of an indication LCG sign is specifically indicated: the sign that the LCG under the logic channel of the limit priority that can transmit data is arranged; Field of another indication LCG sign is specifically indicated: in the field of previous indication LCG sign the included logic channel of LCG, the sign of the LCG under the logic channel of the limit priority that can transmit data is arranged.The concrete respectively indication of the field of two corresponding buffer size of indication: the buffer size of LCG in the field of two indication LCG signs.
Do not report the unit at selecting, to select not report the unit to be further used for when the size of ascending resource during less than long BSR and MAC 's big or small sum, selection does not report BSR, and wait reports next time.
Here, the scheduling that more than relates to is handled and is represented with Scheduling; Processed is represented with Priorityhandling; Conventional Buffer Status Report is represented with Regular BSR; Filling Buffer Status Report represents with Padding BSR; The cycle Buffer Status Report is represented with Periodic BSR; The BSR retransmission timer is represented with retxBSR-Timer; The BSR cycle timer is represented with periodicBSR-Timer; MAC control unit represents with MAC Control Element, is called for short MAC CE; PDU refers to protocol Data Unit; Short BSR represents with short BSR; Brachymemma BSR represents with truncated BSR; Long BSR represents with long BSR.
Among Fig. 1, PDCP is represented with PDCP; Radio Link control is represented with RLC; The medium access control is represented with MAC; The head compression is represented with ROHC; Safety is represented with Security; Segmentation/repeat requests is represented with Segm.ARQ etc automatically; Scheduling/processed is represented with Scheduling/PriorityHandling; Multiplexingly represent with Multiplexing; Mixing automatic repeat requests represents with HARQ; Radio bearer is represented with Radio Bearers; Logic channel is represented with Logical Channels; Transmission channel is represented with Transport Channels.
The above is preferred embodiment of the present invention only, is not to be used to limit protection scope of the present invention.
Claims (13)
1. the optimization method of a Buffer Status Report handling process is characterized in that, this method comprises: when the Buffer Status Report (BSR) that triggers comprises conventional BSR and/or cycle BSR; Existence has the data that can transmit more than 1 logic channel group (LCG), and ascending resource is when being not enough to report long BSR, selects the form of brachymemma BSR or new BSR medium access control (MAC) control unit to report BSR; Perhaps, select not report BSR, wait for next time and report.
2. method according to claim 1 is characterized in that, described ascending resource is not enough to report long BSR to be specially: the size of ascending resource is less than the big or small sum of long BSR and MAC head thereof.
3. method according to claim 2 is characterized in that, among the described brachymemma BSR, specifically comprises: the field of indication LCG sign and the field of the corresponding buffer size of indication; Wherein,
The field of described indication LCG sign is specifically indicated: the sign that the affiliated LCG of logic channel of the limit priority that can transmit data is arranged; The field of the corresponding buffer size of described indication is specifically indicated: the buffer size of described LCG.
4. method according to claim 2 is characterized in that, described new BSR MAC controls in the unit, specifically comprises: the field of two indication LCG signs and the fields of two corresponding buffer size of indication; Wherein,
The field of an indication LCG sign is specifically indicated: the sign that the LCG under the logic channel of the limit priority that can transmit data is arranged; Field of another indication LCG sign is specifically indicated: in the field of previous indication LCG sign the included logic channel of LCG, the sign of the LCG under the logic channel of the limit priority that can transmit data is arranged; The concrete respectively indication of the field of two corresponding buffer size of indication: the buffer size of LCG in the field of two indication LCG signs.
5. according to each described method in the claim 1 to 4, it is characterized in that this method further comprises: when the BSR that triggers comprises conventional BSR, trigger dispatch request (SR); Perhaps do not trigger SR.
6. according to each described method in the claim 1 to 4, it is characterized in that report under the situation of BSR, this method further comprises: when the BSR that triggers comprises conventional BSR, the BSR that reports BSR cancellation afterwards to trigger; Perhaps, report BSR not cancel the BSR of triggering afterwards.
7. according to each described method in the claim 1 to 4, it is characterized in that report under the situation of BSR, this method further comprises: when the BSR that triggers has cycle BSR, the BSR that reports BSR cancellation afterwards to trigger; Perhaps, report BSR not cancel the BSR of triggering afterwards.
8. according to each described method in the claim 1 to 4, it is characterized in that report under the situation of BSR, this method further comprises: start or restart the BSR retransmission timer.
9. according to each described method in the claim 1 to 4, it is characterized in that report under the situation of BSR, this method further comprises: start or restart the BSR cycle timer; Perhaps, do not start or restart the BSR cycle timer.
10. the optimization system of a Buffer Status Report handling process is characterized in that, this system comprises: select to report the unit or select not report the unit; Wherein,
Selection reports the unit, is used for comprising conventional BSR and/or cycle BSR as the BSR that triggers; Existence has the data that can transmit more than 1 LCG, and ascending resource is when being not enough to report long BSR, selects the form of brachymemma BSR or new BSR MAC control unit to report BSR;
Select not report the unit, be used for comprising conventional BSR and/or cycle BSR as the BSR that triggers; Existence has the data that can transmit more than 1 LCG, and ascending resource selects not report BSR when being not enough to report long BSR, waits for next time and reports.
11. system according to claim 10 is characterized in that, described selection reports the unit, is further used for selecting to report BSR when the size of ascending resource during less than the big or small sum of long BSR and MAC head thereof.
12. system according to claim 11 is characterized in that, described selection reports the unit, further comprises the form package module, wherein,
Adopt under the situation of form encapsulation of described brachymemma BSR, described form package module is used for the described brachymemma BSR in encapsulation, specifically comprises: the field of indication LCG sign and the field of the corresponding buffer size of indication; Wherein, the field of described indication LCG sign is specifically indicated: the sign that the affiliated LCG of logic channel of the limit priority that can transmit data is arranged; The field of the corresponding buffer size of described indication is specifically indicated: the buffer size of described LCG; Perhaps,
Under the situation that the form that adopts described new BSR MAC to control unit encapsulates, described form package module, be used for described new BSR MAC control unit, specifically comprise: the field of two indication LCG signs and the field of two corresponding buffer size of indication in encapsulation; Wherein, the field of an indication LCG sign is specifically indicated: the sign that the LCG under the logic channel of the limit priority that can transmit data is arranged; Field of another indication LCG sign is specifically indicated: in the field of previous indication LCG sign the included logic channel of LCG, the sign of the LCG under the logic channel of the limit priority that can transmit data is arranged; The concrete respectively indication of the field of two corresponding buffer size of indication: the buffer size of LCG in the field of two indication LCG signs.
13. system according to claim 10 is characterized in that, described selection does not report the unit, is further used for selecting not report BSR when the size of ascending resource during less than the big or small sum of long BSR and MAC head thereof, waits for next time and reports.
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