CN102281504A - Method and system for uplink feedback - Google Patents
Method and system for uplink feedback Download PDFInfo
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- CN102281504A CN102281504A CN2010102074726A CN201010207472A CN102281504A CN 102281504 A CN102281504 A CN 102281504A CN 2010102074726 A CN2010102074726 A CN 2010102074726A CN 201010207472 A CN201010207472 A CN 201010207472A CN 102281504 A CN102281504 A CN 102281504A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
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- H04L12/00—Data switching networks
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- H04L12/16—Arrangements for providing special services to substations
- H04L12/18—Arrangements for providing special services to substations for broadcast or conference, e.g. multicast
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Abstract
The invention discloses a method for uplink feedback. The method comprises the following step of: adding indication information for identifying an uplink feedback process into an uplink feedback signalling transmitted to user equipment UE by a network side. The invention further discloses a system for uplink feedback, comprising a transmitting unit for transmitting the uplink feedback signalling to the UE, wherein the indication information for identifying the uplink feedback process is added in the uplink signalling. With the technical scheme of the invention, the UE can exclusively determine the uplink feedback signalling according to MBMS (Multimedia Broadcast Multicast Service) service identification information and the indication information after receiving the uplink feedback signalling, so, even if the uplink feedback signalling in the same feedback process is transmitted for many times, the UE only feed back once. The method and the system avoid the UE from feeding back for many times in one feedback process, thereby avoiding making of wrong decisions based on inaccurate information counted by the network side.
Description
Technical field
The present invention relates to up feedback technique in multimedia broadcast multi-broadcasting business (MBMS, the Multimedia Broadcast MulticastService) system, relate in particular to the method and system of up feedback in a kind of MBMS system.
Background technology
Along with the fast development of Internet and popularizing of large-screen Multi-featured Mobile Terminal, a large amount of mobile data multimedia services and various high bandwidth multimedia service have appearred, as video conference, television broadcasting, video request program, advertisement, online education, interactive game etc., this has satisfied the multiple services demand of mobile subscriber on the one hand, has also brought new business growth point for mobile operator simultaneously.These mobile data multimedia services require a plurality of users can receive identical data simultaneously, compare with general data service, have characteristics such as data volume is big, longer duration, delay sensitive.
In order to effectively utilize mobile network resource, third generation partner program (3GPP, 3rd GenerationPartnership Project) the MBMS business has been proposed, this MBMS business is a kind of technology that transmits data from a data source to a plurality of destination mobile terminals, realize sharing of network (comprising core net and Access Network) resource, improved the especially utilance of air interface resource of Internet resources.The MBMS of 3GPP definition not only can realize the classes of messages multicast and the broadcasting of plain text low rate, but also can realize the broadcasting and the multicast of high-speed multimedia business, multiple rich video, audio frequency and multimedia service are provided, this has complied with the trend of following mobile data development undoubtedly, the development of communicating by letter for the third generation (3G, 3rd Generation) provides better professional prospect.
Design single frequency network (MB SFN, Multimedia Broadcast multicastservice Single Frequency Network) transmission mode among the 3GPP Release9 and come the MBMS transmission business.The MBSFN transmission mode is by the signal that synchronous transmission is identical on the identical physical resources of a plurality of co-frequency cells (MBMS control signaling and business datum), feasible subscriber equipment (the UE that receives this MBMS business, User Equipment) receives enhancing signal after the stack of a plurality of sub-districts, to improve the signal receiving quality of UE.
The feature of MBSFN transmission is as follows:
1) in the inter-sync transmission of MBSFN zone; 2) support the professional transmission of many cell MBMSs to merge; 3) multicast service channel (MTCH, Multicast Traffic Channel) and multicast control channel (MCCH, Multicast Control Channel) is mapped under multiple spot (p-T-m) pattern on the Multicast Channel (MCH, Multicast Channel) putting; 4) MBSFN retaining zone, MBSNF zone, MBSFN transmission, advertisement, reservation sub-district are by the semi-static configuration of Operation and Maintenance.
The UE of a plurality of like this sub-districts can receive the identical MBMS data of a plurality of contents and carry out single frequency network (SFN, Single Frequency Network) and merge, thus the gain that can improve received signal.Adopt identical physical resource and constituted a MBSFN zone with a plurality of sub-districts that the MBSFN sending mode sends the same MBMS business.
Long Term Evolution (LTE in reality, Long Term Evolution) in the system group network, several MBSFN business are arranged in the MBSFN zone, these all MBSFN business that belong to same MBSFN zone are called a MBSFN service groups, that is to say that a MBSFN service groups only belongs to a MBSFN zone.A MBSFN zone comprises a plurality of sub-districts, and each sub-district has all disposed identical MBSFN service groups.The data channel MTCH that possesses a plurality of MBSFN business in identical MBSFN zone, and the control channel MCCH of MBSFN business can be multiplexed into a MCH.The MCCH in identical MBSFN zone and a plurality of MTCH, promptly many logic channels can be mapped on the same transmission channel MCH.
Periodically read the electric quantity consumption that MCCH signaling content causes in order further to reduce UE, the LTE system has proposed MBMS notice (MBMS Notification simultaneously, be also referred to as MCCH Notification) whether mechanism, adopt physical layer signaling to indicate MCCH information will change.UE only need monitor the indication of MBMS notice, according to the content of MBMS notice indication, goes decision whether to receive MCCH information again.
At Physical Downlink Control Channel (PDCCH, Physical Downlink Control Channel) the physical down control information in (being specially PDCCH format 1C) has distributed 8 bit, each bit is corresponding to a MCCH, this MCCH belongs to a specific MBSFN zone, begin (session start) process if there is business that session will take place in this MBSFN zone, rise triggering corresponding bit position, promptly Dui Ying bit position is 1.These 8 bit fixedly keep for MBMS notice to use, though the MBSFN zone that disposes in the sub-district less than 8, remaining bit does not do other uses (can be made into invalid value or 0) yet.Inform in system broadcast message which MBSFN zone of UE is corresponding to which bit, because the Notification of 1 MCCH of each bit difference correspondence in 8 bits among the UE PDCCH format 1C, is just informed in a MBSFN zone for a MCCH in system broadcast message.As: bit0, bit1, bit2 ... bit7} correspond respectively to MCCH0, MCCH1, MCCH2 ... .MCCH7}.
When UE was interested in the MBMS business in certain MBSFN zone, UE monitored (monitor) MBMS notice indication information, and further, UE can only judge its corresponding notice bit in interested MBSFN zone.In case UE detects the notice bit of its care and put, UE will read the MCCH content of having upgraded when this notifies the modification cycle of the corresponding MCCH of bit to arrive.UE can only be concerned about the corresponding MCCH content alteration in part MBSFN zone, the notice bit corresponding to this MBSFN zone that passes through to be joined knows whether the content of the MCCH that this MBSFN zone is corresponding will change, and according to the modification cycle of this MCCH, the content that the repetition period is read this MCCH.
The PDCCH format1C that carries this MBMS notice indication information adopts MBMS Radio Network Temporary Identifier (M-RNTI) to identify, and this physical control channel is positioned at the common search space of subframe control domain.
This MBMS notice indication information is carried in the MBSFN subframe, if the meaningful renewal of MBMS notice indication information, the indication of MBMS notice will periodically send.Each MCCH has the modification cycle separately, and the transmission cycle of MBMS notice indication information is relevant with the modification cycle of MCCH, can repeat transmission and repeatedly (be specially 2 or 4 times) MBMS and notify indication information in the shortest MCCH modification cycle.If without any the business in a MBSFN zone session start (MBMS is professional to initiate) process will take place at the next one in the shortest MCCH modification cycle, that is to say in the notice indication information and put without any bit, this notice indication information will not send in this shortest MCCH modification cycle so, did not carry the PDCCH format1C by the M-RNTI sign at this moment in the common search space of subframe control domain.
The schematic diagram that Fig. 1 sends for the notice under the situation that a MCCH is only arranged, as shown in Figure 1, show a notice under the situation that a MCCH only arranged and send situation, in revising cycle n+1, MCCH have business to initiate in this MBSFN zone, in MCCH revises cycle n, the MBMS notice will send, and wherein rise Dui Ying bit position.
UE sends information such as number of times, subframe position according to the MCCH modification cycle and the MBMS notice indication information of configuration, periodically monitors MBMS notice indication information.Whether put to determine whether to trigger according to specific bit among the MBMS Notification and read corresponding M CCH, obtain the business information (comprising service identification, service configuration information) that disposes among the MCCH, and judge that further whether this business is the user's interest business, determines whether this business is received.
MBMS in the Release9 version do not support the user uplink feedback function, and up feedback designs in Release10.General procedure is that transmission fed back to network according to signaling after the network based up feedback signaling of transmission that needs, UE received up feedback signaling; The network based information of collecting decides further action.Such as, whether network is wanted to add up has the user interested in certain business in the sub-district, sending a signaling request reports this business users interest, if do not receive the Any user feedback in the feedback cycle, network is just known does not have the user to be ready to receive this business in the sub-district, can no longer transmit this business.
In order to guarantee to add up relatively accurate, network generally can send feedback signaling within a certain period of time continuously, feeds back so that the user is dispersed in the different subframes, avoids a plurality of users to feed back the impact that brings up simultaneously.
When network repeats to send the user feedback signaling in a period of time, to add up the information of user in this time period, some user may receive that at the beginning the user feedback signaling just fed back relevant information, but receives this user feedback signaling in the cycle subsequently once more, and feedback-related information once more.Can cause the information of network statistics inaccurate like this.Pressing for a kind of mechanism of design at present avoids the user repeatedly to send the problem of feedback at same feedback signaling.
Summary of the invention
In view of this, main purpose of the present invention is to provide a kind of method and system of up feedback, can guarantee that UE only feeds back once when receiving a plurality of up feedback signaling of same feedback procedure.
For achieving the above object, technical scheme of the present invention is achieved in that
A kind of method of up feedback comprises:
Network side has additional the indication information of the up feedback procedure of sign in the up feedback signaling that UE sends.
Preferably, described method also comprises:
After UE receives described up feedback signaling, judge whether the up feedback signaling of current reception is identical with the up feedback signaling that has received, abandon current up feedback signaling when identical, otherwise carry out up feedback according to the up feedback signaling that is received.
Preferably, described indication information is at up feedback procedure of the professional unique identification of identical MBMS.
Preferably, also comprise MBMS service identification information, feedback content information in the described up feedback signaling;
Describedly judge whether the up feedback signaling of current reception is all mutually with the up feedback signaling that has received:
Described UE compares the indication information and the MBMS service identification information of the up feedback signaling of current reception respectively with the indication information and the MBMS service identification information of the up feedback signaling that has received, homogeneous phase determines that simultaneously the up feedback signaling of current reception is identical with the up feedback signaling that has received, otherwise inequality.
Preferably, the described up feedback signaling that has received is the up feedback signaling that described UE was received in the setting period before receiving current up feedback signaling.
Preferably, described method also comprises:
Described UE obtains feedback information by the indication of the feedback content in the described up feedback signaling, and described feedback information is fed back to network side, and the indication information of the described up feedback signaling of described feedback information correspondence is fed back to network side in the lump.
A kind of system of up feedback comprises:
Transmitting element is used for sending up feedback signaling to UE; Wherein, have additional the indication information of the up feedback procedure of sign in the described up feedback signaling.
Preferably, described system also comprises receiving element, judging unit, discarding unit and feedback unit; Wherein,
Receiving element is used to receive the up feedback signaling that described transmitting element sends;
Judging unit is used to judge whether the up feedback signaling of described receiving element reception is identical with the up feedback signaling that has received, triggers discarding unit when identical; Otherwise triggering feedback unit;
Discarding unit is used to abandon current up feedback signaling;
Feedback unit is used for carrying out up feedback according to the up feedback signaling that is received.
Preferably, described indication information is at up feedback procedure of the professional unique identification of identical MBMS.
Preferably, also comprise MBMS service identification information, feedback content information in the described up feedback signaling;
Described judging unit is further compared the indication information and the MBMS service identification information of the up feedback signaling of current reception respectively with the indication information and the MBMS service identification information of the up feedback signaling that has received, homogeneous phase determines that simultaneously the up feedback signaling of current reception is identical with the up feedback signaling that has received, otherwise inequality.
Preferably, the described up feedback signaling that has received by the up feedback signaling that received in the setting period before the current up feedback signaling of reception.
Preferably, described feedback unit further obtains feedback information by the indication of the feedback content in the described up feedback signaling, described feedback information is fed back to network side, and the indication information of the described up feedback signaling of described feedback information correspondence is fed back to network side in the lump.
Among the present invention, when network side need to determine the UE among certain MBSFN to carry out up feedback, when the UE in MBSFN sends up feedback signaling, have additional the indication information of the up feedback procedure of sign in the up feedback signaling; Like this, UE is after receiving up feedback signaling, can even the up feedback signaling in the same feedback procedure repeatedly sends, can guarantee that also UE only feeds back once according to MBMS service identification information in the up feedback signaling and the unique definite up feedback signaling of indication information.The present invention has avoided the repeatedly feedback of UE in same feedback procedure, does the decision that makes mistake thereby the information of avoiding network side to add up is inaccurate.
Description of drawings
The schematic diagram that Fig. 1 sends for the notice under the situation that a MCCH is only arranged;
Fig. 2 is the composition structural representation of the system embodiment one of the up feedback of the present invention;
Fig. 3 is the composition structural representation of the system embodiment two of the up feedback of the present invention.
Embodiment
Basic thought of the present invention is, when network side need to determine the UE among certain MBSFN to carry out up feedback, when the UE in MBSFN sends up feedback signaling, has additional the indication information of the up feedback procedure of sign in the up feedback signaling; Like this, UE is after receiving up feedback signaling, can even the up feedback signaling in the same feedback procedure repeatedly sends, can guarantee that also UE only feeds back once according to MBMS service identification information in the up feedback signaling and the unique definite up feedback signaling of indication information.
For making the purpose, technical solutions and advantages of the present invention clearer, by the following examples and with reference to accompanying drawing, the present invention is described in more detail.
Network side is before sending a business, need determine in this service coverage area the interested UE quantity of this business, network side prepares to send a up feedback signaling at this business in this service coverage area, whether have the interested UE of this business to understand in the service area, and interested UE quantity etc.; Comprise in the up feedback signaling that network side disposed: information such as service identification, feedback content, feedback indication; Wherein, the feedback indication is as being set to 001, with the up feedback signaling of this time of sign; Among the present invention,, the indication information of up feedback can be set respectively at different MBMS business; For example, can be at different MBMS business, the identical span of indication information is set, as the sign scope of [0000,1110], network side is at the up feedback of each MBMS business, successively from [0000,1110] value and give the indication information of up feedback in like this, can uniquely be determined up feedback signaling by the indication information of MBMS service identification information and up feedback.Certainly, also can determine up signaling by indication information itself at the indication information of the different up feedback of different MBMS business settings; This implementation difficulty relatively just need be provided with a large amount of indication information of the up feedback of sign, also needs to dispose the corresponding relation of indication information and MBMS business etc.Feedback content Cause in the above-mentioned up feedback signaling is according to the needs setting of network side, as is set to add up users interest number etc., also can be feedback such as the current running state information of UE at other information of UE.Do not get rid of in the up feedback signaling and also comprise other information.
Network side sends above-mentioned up feedback signaling.Concrete, can be broadcast to all UE in the zone of business to be sent by system message.The send mode of this up feedback signaling and the send mode of existing up feedback signaling are identical, repeat no more it here and realize details.
As shown in Figure 1, suppose that UE1 receives this up feedback signaling at first MCCH in the repetition period, and UE1 is interested in this business; Being that UE1 is customized has this MBMS business, at this moment, UE1 can send uplink feedback information to network side, concrete, can comprise MBMS service identification or user ID or up feedback indication information (001) etc. in the uplink feedback information, after network side receives this uplink feedback information, can identify concrete feedback content and get final product.With aforementioned statistics to the professional interested UE of MBMS is example, when network side receive receive uplink feedback information after, according to identification information such as MBMS service identification and indication information etc. wherein, network side can determine that current feedback information is the feedback of carrying out at aforesaid up feedback signaling, and the UE1 that has carried out up feedback promptly is to the professional users interest of this MBMS.Concrete, after UE1 receives up feedback signaling, will preserve the information of this up feedback signaling.
In cycle, UE1 receives identical up feedback signaling once more, comprises MBMS service identification, feedback content, indication information etc. in the up feedback signaling at subsequently MCCH, and all the up feedback signaling that receives in the cycle with last MCCH is identical; The up feedback signaling of the more current reception of UE1 and the up feedback signaling that receives before, determine that the content in the up feedback signaling is identical, determine that then current received up feedback signaling and the up feedback signaling that receives before are the signalings at same feedback procedure, abandon the current up feedback signaling that receives.Here, determine that up feedback signaling is identical to be specially that the MBMS service identification in the up feedback signaling is identical, indication information is also identical.The UE1 general no longer carries out up feedback at the up feedback signaling of this current reception.
Network side subsequently again at same business setting a feedback procedure 2, network side need reconfigure up feedback signaling, comprise MBMS service identification, feedback content Cause (statistics is to the professional users interest number of MBMS), feedback indication information such as (002, identify this time feedback signaling) in the up feedback signaling that is reconfigured.
UE1 receives the above-mentioned up feedback signaling that reconfigures in new feedback procedure, current up feedback signaling that receives and the up feedback signaling that receives are before compared, determine the MBMS service identification in the up feedback signaling of current reception, feedback content is identical with the up feedback signaling that receives before, but the feedback indication information has become 002, but different with the feedback indication information 001 that receives before, UE1 can determine that the up feedback signaling of current reception is the up feedback procedure that network side is initiated once more at same MBMS business, UE1 will be once more obtains the channel that needs feedback by the requirement of wherein feedback content, and the uplink feedback information that is obtained is fed back to network side.
Among the present invention, after UE receives up feedback signaling, all the corresponding informance in the MBMS service identification in the up feedback signaling wherein and indication information and the up feedback signaling that receives before can be compared respectively, determine that above-mentioned information homogeneous phase means that simultaneously the uplink feedback information of this current reception is identical with the up feedback signaling that receives before, otherwise inequality.Concrete, UE when receiving uplink feedback information, even this up feedback signaling has been carried out up feedback, but in the period of setting, also can this up feedback signaling of buffer memory so that compare with the up feedback signaling that newly receives.Generally speaking, the buffer memory period of up feedback signaling is set to a MCCH cycle and gets final product, and certainly, also can be provided with more longerly.Like this, at different MBMS business, the indication information that identical up feedback can be set is shared, and the value section of aforesaid indication information promptly is set, at a certain MBMS business, recycle the up feedback signaling that value in the value section of indication information identifies different feedback procedures and get final product.
The MBMS business setting demand of operator is depended in the setting of feedback procedure, and operator can be at the continuous a plurality of feedback procedures of configuration of same feedback content, to add up the user profile in continuous a plurality of processes.Also can discontinuous configuration feedback procedure.
Above-mentioned UE determines that the up feedback signaling of current reception is different with the up feedback signaling that receives before, obtains uplink feedback information and when carrying out up feedback, with this feedback information at the indication information of up feedback signaling also feed back to network side in the lump.Indication information as the up feedback signaling of current reception is 002 o'clock, when carrying out up feedback at this up feedback signaling, is 002 indication information with carrying indication information.Network side can be determined the up feedback of carrying out at which up feedback signaling according to the MBMS service identification in the uplink feedback information and corresponding indication information.
Fig. 2 is the composition structural representation of the system embodiment one of the up feedback of the present invention, and as shown in Figure 2, the system of the up feedback of this example comprises transmitting element 20, is used for sending up feedback signaling to UE; Wherein, have additional the indication information of the up feedback procedure of sign in the described up feedback signaling.
Fig. 3 is the composition structural representation of the system embodiment two of the up feedback of the present invention, and as shown in Figure 3, the system of the up feedback of this example also comprises receiving element 21, judging unit 22, discarding unit 23 and feedback unit 24; Wherein,
Receiving element 21 is used to receive the up feedback signaling that transmitting element 20 sends;
Judging unit 22 is used to judge whether the up feedback signaling of receiving element 21 receptions is identical with the up feedback signaling that has received, triggers discarding unit 23 when identical; Otherwise trigger feedback unit 24;
Discarding unit 23 is used to abandon current up feedback signaling;
Feedback unit 24 is used for carrying out up feedback according to the up feedback signaling that is received.
Above-mentioned indication information is at up feedback procedure of the professional unique identification of identical MBMS.
Also comprise MBMS service identification information, feedback content information in the above-mentioned up feedback signaling;
Judging unit 22 is further compared the indication information and the MBMS service identification information of the up feedback signaling of current reception respectively with the indication information and the MBMS service identification information of the up feedback signaling that has received, homogeneous phase determines that simultaneously the up feedback signaling of current reception is identical with the up feedback signaling that has received, otherwise inequality.
The above-mentioned up feedback signaling that has received by the up feedback signaling that received in the setting period before the current up feedback signaling of reception.
Above-mentioned feedback unit 24 further obtains feedback information by the indication of the feedback content in the described up feedback signaling, described feedback information is fed back to network side, and the indication information of the described up feedback signaling of described feedback information correspondence is fed back to network side in the lump.
Those skilled in the art are to be understood that, the system of Fig. 2 of the present invention and up feedback shown in Figure 3 is for the method that realizes aforesaid up feedback designs, and the realization function of above-mentioned each processing unit can be with reference to the associated description of the method for aforesaid up feedback and understood.The function of the each processing unit among the figure can realize by the program that runs on the processor, also can realize by concrete logical circuit.
The above is preferred embodiment of the present invention only, is not to be used to limit protection scope of the present invention.
Claims (12)
1. the method for a up feedback is characterized in that, described method comprises:
Network side has additional the indication information of the up feedback procedure of sign in the up feedback signaling that user equipment (UE) sends.
2. method according to claim 1 is characterized in that, described method also comprises:
After UE receives described up feedback signaling, judge whether the up feedback signaling of current reception is identical with the up feedback signaling that has received, abandon current up feedback signaling when identical, otherwise carry out up feedback according to the up feedback signaling that is received.
3. method according to claim 2 is characterized in that, described indication information is at up feedback procedure of the professional unique identification of identical multimedia broadcast multicast MBMS.
4. method according to claim 3 is characterized in that, also comprises MBMS service identification information, feedback content information in the described up feedback signaling;
Describedly judge whether the up feedback signaling of current reception is all mutually with the up feedback signaling that has received:
Described UE compares the indication information and the MBMS service identification information of the up feedback signaling of current reception respectively with the indication information and the MBMS service identification information of the up feedback signaling that has received, homogeneous phase determines that simultaneously the up feedback signaling of current reception is identical with the up feedback signaling that has received, otherwise inequality.
5. method according to claim 4 is characterized in that, the described up feedback signaling that has received is the up feedback signaling that described UE was received in the setting period before receiving current up feedback signaling.
6. method according to claim 5 is characterized in that, described method also comprises:
Described UE obtains feedback information by the indication of the feedback content in the described up feedback signaling, and described feedback information is fed back to network side, and the indication information of the described up feedback signaling of described feedback information correspondence is fed back to network side in the lump.
7. the system of a up feedback is characterized in that, described system comprises:
Transmitting element is used for sending up feedback signaling to UE; Wherein, have additional the indication information of the up feedback procedure of sign in the described up feedback signaling.
8. system according to claim 7 is characterized in that described system also comprises receiving element, judging unit, discarding unit and feedback unit; Wherein,
Receiving element is used to receive the up feedback signaling that described transmitting element sends;
Judging unit is used to judge whether the up feedback signaling of described receiving element reception is identical with the up feedback signaling that has received, triggers discarding unit when identical; Otherwise triggering feedback unit;
Discarding unit is used to abandon current up feedback signaling;
Feedback unit is used for carrying out up feedback according to the up feedback signaling that is received.
9. system according to claim 8 is characterized in that, described indication information is up feedback procedure of unique identification in MBSFN.
10. system according to claim 9 is characterized in that, also comprises MBMS service identification information, feedback content information in the described up feedback signaling;
Described judging unit is further compared the indication information and the MBMS service identification information of the up feedback signaling of current reception respectively with the indication information and the MBMS service identification information of the up feedback signaling that has received, homogeneous phase determines that simultaneously the up feedback signaling of current reception is identical with the up feedback signaling that has received, otherwise inequality.
11. system according to claim 10 is characterized in that, the described up feedback signaling that has received by the up feedback signaling that received in the setting period before the current up feedback signaling of reception.
12. system according to claim 11, it is characterized in that, described feedback unit further obtains feedback information by the indication of the feedback content in the described up feedback signaling, described feedback information is fed back to network side, and the indication information of the described up feedback signaling of described feedback information correspondence is fed back to network side in the lump.
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| CN2010102074726A CN102281504A (en) | 2010-06-13 | 2010-06-13 | Method and system for uplink feedback |
| PCT/CN2011/073253 WO2011157079A1 (en) | 2010-06-13 | 2011-04-25 | Method and system for uplink feedback |
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| CN104602243B (en) * | 2013-10-31 | 2018-05-22 | 电信科学技术研究院 | A kind of channel quality statistics method and apparatus |
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| CN107135486B (en) * | 2016-02-29 | 2020-04-21 | 展讯通信（上海）有限公司 | Transmission method and device of multicast or multicast service |
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| WO2011157079A1 (en) | 2011-12-22 |
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