WO2011137576A1 - 无线网络中用于发送缓冲状态报告的方法和装置 - Google Patents
无线网络中用于发送缓冲状态报告的方法和装置 Download PDFInfo
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- WO2011137576A1 WO2011137576A1 PCT/CN2010/072401 CN2010072401W WO2011137576A1 WO 2011137576 A1 WO2011137576 A1 WO 2011137576A1 CN 2010072401 W CN2010072401 W CN 2010072401W WO 2011137576 A1 WO2011137576 A1 WO 2011137576A1
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- WIPO (PCT)
- Prior art keywords
- buffer status
- status report
- uplink buffer
- report message
- layer protocol
- Prior art date
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/10—Scheduling measurement reports ; Arrangements for measurement reports
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/50—Allocation or scheduling criteria for wireless resources
- H04W72/56—Allocation or scheduling criteria for wireless resources based on priority criteria
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/0001—Arrangements for dividing the transmission path
- H04L5/0003—Two-dimensional division
- H04L5/0005—Time-frequency
- H04L5/0007—Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/12—Wireless traffic scheduling
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/50—Allocation or scheduling criteria for wireless resources
- H04W72/52—Allocation or scheduling criteria for wireless resources based on load
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
- H04W72/21—Control channels or signalling for resource management in the uplink direction of a wireless link, i.e. towards the network
Definitions
- the present invention relates to wireless communications, and more particularly to base stations and user terminals based on carrier aggregation in LTE-A. Background technique
- the Buffer Status Report is very important in the uplink system. It provides information on the user equipment (UE) side required for the base station (evolved NodeB, eNB) to perform scheduling.
- UE user equipment
- eNB evolved NodeB
- TTI Transit Time Interval
- MAC PDU Media Access Control Protocol Data Unit
- CA Carrier Aggregation
- CC Component Carrier
- the present invention considers new features in LTE-A to formulate rules for buffer status reporting.
- the present invention provides a cache status reporting mechanism for a carrier aggregation communication system.
- a method for reporting an uplink buffer status report message in a user terminal comprising the steps of: After the respective media access layer protocol data units corresponding to the respective component carriers are generated, the amount of data to be sent; B. generating the uplink buffer status report message according to the amount of data to be sent; The uplink buffer status report message is sent to a base station that occupies the user terminal.
- an apparatus for reporting an uplink buffer status report message in a user terminal wherein the user terminal is configured with a plurality of component carriers And the first acquiring means, configured to acquire, after the generating of each media access layer protocol data unit corresponding to the respective component carriers, the amount of data to be sent; generating means, configured to be used according to the And generating, by the sending device, the uplink buffer status report message, where the sending device is configured to send the uplink buffer status report message to a base station that is in charge of the user terminal.
- the present invention solves the problem of how to report cache status information when there are multiple transport blocks in a transmission time interval, that is, multiple media access layer protocol data units.
- the base station can clearly know how many uplink resources can be allocated for the user terminal to ensure that the scheduling is more efficient.
- the invention can utilize the padding buffer status report message from different angles such as reliability, high efficiency and accuracy, thereby improving the reliability of the buffer status report message, or improving the data transmission efficiency, or improving the accuracy of the buffer status report message.
- one embodiment of the present invention provides incremental information for further improved accuracy for coarse-grained cache size tables.
- FIG. 1 shows a schematic diagram of a network topology structure in accordance with an embodiment of the present invention
- FIG. 2 shows a flow chart of a system method in accordance with an embodiment of the present invention
- FIG. 3 illustrates a cycle/convention as a specific embodiment of the present invention.
- Figure 6 shows a block diagram of a device in accordance with an embodiment of the present invention.
- base station scheduling when data can be transmitted or received, the radio resources are only allocated to the UE or from the UE.
- the scheduler of the base station obviously knows the amount of data sent to each UE; but in the uplink direction, since the scheduling decision is made by the base station and the data buffer is located at the UE, the UE needs to report the BSR to the base station.
- the message is used to provide the base station with information about the total number of data shared by the UE in the uplink buffer, so that the base station can perform resource allocation and scheduling according to the uplink resource buffer information from the UE, so as to avoid excessive allocation or scheduling for the UE. Resources, resulting in waste of resources.
- Radio Resource Control through the configuration of two timer-periodic BSR timers ( periodicBSR-Timer) and regular BSR timers (retxBSR-Timer) and optional signaling for each logical channel
- the logicalChannelGroup indicates which logical channel group (LCG, Logical Channel Group) this logical channel belongs to.
- a BSR message is triggered when:
- a logical channel belonging to a certain logical channel group which has uplink data to be transmitted (such as RLC/PDCP control information and service data, etc.) in the RLC or PDCP entity; or has a logical channel, its priority
- uplink data to be transmitted such as RLC/PDCP control information and service data, etc.
- a logical channel belonging to a logical channel group there is data to be sent; or any logical channel belonging to a logical channel group does not have any data to be sent (that is, a BSR with a buffer size of 0, which may be used for The buffer information between the eNB and the UE is synchronized.)
- the BSR triggered by these conditions is called "normal BSR";
- the uplink resource has been allocated, and the number of padding bits is greater than or equal to the BSR MAC Control Element plus its subheader.
- the BSR triggered at this time belongs to the "fill BSR";
- the long BSR is reported.
- a short BSR when to send a long BSR, a short BSR, or a truncated BSR depends on the total amount of valid uplink transmission resources for transmitting the BSR, the number of non-empty buffer logic signals, and whether a specific event is triggered in the UE.
- the long BSR reports the amount of data buffered by the four logical channel groups, and the short BSR reports the buffered uplink data amount for only one logical channel group.
- FIG. 1 shows a network topology diagram in accordance with an embodiment of the present invention.
- the base station 2 serves the user terminal 1, and the user terminal 1 reports the BSR to the base station 2.
- step S20 the user terminal 1 is configured with at least one component carrier, and the user terminal 1 acquires the amount of data to be transmitted after the respective media access layer protocol data units corresponding to the respective component carriers are generated.
- the user terminal 1 acquires the amount of data to be transmitted after the respective media access layer protocol data units corresponding to the respective component carriers are generated.
- LTE-A because multiple CCs are transmitted simultaneously in one TTI, one CC encapsulates one MAC PDU, and CC and MAC PDUs are corresponding. Therefore, in a CA scenario, one TTI can transmit multiple MAC PDUs simultaneously.
- the BSR sent by the user terminal 1 to the base station 2 is used to provide the base station 2 with the number of data that can be adapted for transmission in the uplink buffer of the user terminal 1, specifically, after the MAC PDUs on the respective component carriers are established, The amount of data to be sent in the cache.
- the cache status report MAC control unit may include a long BSR format and a short BSR/truncated BSR format.
- step S21 the user terminal 1 generates according to the amount of data to be transmitted. Upstream cache status report message.
- step S22 the user terminal 1 transmits the uplink buffer status report message to the base station 2 of the jurisdiction user terminal 1.
- the BSR generation step S21 and the report step S22 in the CA case will be specifically described for the regular/period BSR and the padding BSR, respectively.
- the regular/periodic BSR provides user-specific information, rather than CC-specific information, that is, the regular/periodic BSR is independent of the CC, it is not necessary to report multiple BSRs on different CCs in one TTI. Therefore, even if there are multiple MAC PDUs on different CCs in one TTI, in step S21, the user terminal 1 only needs to encapsulate a regular/periodic BSR in the MAC PDU of one CC. In other words, in the case of carrier aggregation, the user terminal 1 reports only one BSR per TTI for the regular/periodic BSR.
- the signal transmitted on the Physical Uplink Shared Channel (PUSCH) without Uplink Control Information (UCI) is first used. Reducing the transmission power while maintaining the transmission power of the signal transmitted on the PUSCH with UCI, wherein the UCI includes the BSR, and the power headroom, that is, the PUSCH with UCI has a higher priority than the UCI without UCI PUSCH, that is, PUSCH with MAC Control Unit has a higher priority. That is, the BSR has a higher priority.
- the B SR should be included in the same MAC PDU with data belonging to the highest priority channel, that is, in step S21, the user terminal 1 encapsulates the regular/periodic BSR with the data from the logical channel having the highest priority.
- the user terminal 1 encapsulates the regular/periodic BSR with the data with the highest QoS requirement, for example, VoIP service data in the same MAC PDU, and transmits it to the base station 2.
- the user terminal 1 reports the MAC PDU encapsulating the regular/periodic BSR to the base station 1.
- the padding BSR will be triggered.
- only one MAC PDU is transmitted in one TTI, so at most there is only one padding BSR composed of multiple padding bits.
- MAC PDUs there are two alternative schemes for constructing MAC PDUs.
- One is to encapsulate the MAC PDUs serially according to a certain order, and after generating a MAC PDU, the remaining to be transmitted. At least a portion of the data is encapsulated in the latter MAC PDU, and so on, until the respective data is encapsulated in each of the MAC PDUs; another way is to assemble the MAC PDUs transmitted on each component carrier in parallel. Therefore, we will discuss the two cases of serial and parallel separately below, first discussing the serial generation of MAC PDUs on each CC.
- MAC PDUs on different CCs are serially assembled in some order. If a regular/periodic BSR is triggered, the BSR (long BSR or short BSR) will be transmitted in one CC, in other CCs. There is also padding in the MAC PDU that can be allowed to transmit the padding BSR. We will discuss the different usage scenarios for these filled BSRs.
- the user terminal 1 has generated an uplink buffer status report message in a MAC PDU corresponding to one component carrier, and the user terminal repeatedly places at least part of the content of the uplink buffer status report message in a padding bit of at least one other MAC PDU having padding bits. That is, the user terminal 1 transmits a complete or partial copy of the regular/periodic BSR in the form of a long BSR or a short BSR/truncate BSR based on the allowed padding bits.
- Step S21 can be divided into the following sub-steps.
- the user terminal 1 acquires the size of the padding bit; then, in sub-step S211, when the padding bit is sufficient to contain all the contents of the uplink buffer status report message, the user terminal 1 transmits in the same TTI. Repeating the entire contents of the uplink buffer status report message in the padding bits of other subsequent MAC PDUs with padding bits, that is, in the case where the regular/periodic BSR is a long BSR, if the padding supports a long BSR, then the BSR is filled with The regular/periodic BSR is the same; Alternatively, when the padding bit is sufficient to include part of the content of the uplink buffer status report message, in sub-step S211, the user terminal 1 sequentially places the uplink in the padding bits of other subsequent MAC PDUs with padding bits transmitted by the same TTI.
- Part of the content of the buffer status report message that is, if the regular/periodic BSR is a long BSR, if the padding is a short BSR7 truncating the BSR, then it includes a part of the buffer status information of the regular/periodic BSR, which part has a higher priority Level LCG.
- This principle also applies to scenarios where only a filled BSR exists when a regular/periodic BSR is not triggered.
- FIG. 3, FIG. 4 and FIG. 5 in the case of generating a MAC PDU in a serial manner in the case of CA, after the generation of the regular/periodic BSR, a flow of filling the BSR is further described.
- the regular/periodic BSR When the regular/periodic BSR is triggered, the user terminal 1 must transmit the regular/period BSR in a MAC PDU.
- the regular/periodic BSR encapsulation is transmitted in a MAC PDU, for example, the BSR is encapsulated in the first generated packet of the serial, and the remaining two MAC PDUs support padding of BSRs.
- step S21 can be further subdivided into the following sub-steps S210, S211 and S211.
- the user terminal 1 acquires the size of the padding bit of the next next MAC PDU, and determines whether the size of the padding bit of the next next MAC PDU is sufficient to contain the entire content of the cycle/conventional BSR;
- the padding bit is large enough to contain the entire contents of the cycle/conventional BSR, then in step S211, the user terminal 1 fills the entire contents of the cycle/regular BSR in the padding bit; if the padding bit size is not sufficient
- the entire contents of the periodic/conventional BSR for example, the size of the padding bit can only support the short BSR, and in sub-step S211, the user terminal 1 fills the period/normal BSR in the padding bit of the next MAC PDU of the serial. Part of the content.
- the user terminal 1 in sub-step S211, first fills the corresponding BSR information with the highest priority logical channel group in the priority order of the logical channel group corresponding to the BSR. In the padding bit of the next MAC PDU in the serial, and then in the remaining part of the cycle/regular BSR, the corresponding BSR with the second highest priority logical channel group The information is filled in the padding bit of another MAC PDU, and the sub-step S211 is specifically described by taking FIG. 3, FIG. 4 and FIG. 5 as an example.
- the long-term BSR reporting regular/periodic BSR reports the buffer status information of the four logical channel groups, that is, the corresponding data volume to be transmitted on the four logical channel groups.
- the uplink buffer status information of the 0th (#0.) logical channel group (LCG), the uplink buffer status information of the 1st (#1) logical channel group, and the 2nd (#2) logical channel group Up buffer status information and uplink buffer status information of the #3 (#3) logical channel group.
- the foregoing uplink buffer status information of each logical channel group occupies 6 bits, wherein the logical channel group 0 has priority greater than the first logical channel group, and the first logical channel The priority of the group is greater than that of the logical channel group No. 2, and the priority of the logical channel group No. 2 is greater than that of the logical channel group No. 3.
- the padding BSR in the subsequent two other MAC PDUs only supports the short BSR, the user terminal 1 first sets the first priority logical channel group, that is, the 0th (#0) logical channel group as the short one MAC. In the PDU, as shown in FIG.
- step S22 the user terminal 1 respectively sets the short BSR for the LCG of the first priority and the short BSR for the LCG of the second priority as shown in FIG. Transfer in two MAC PDUs.
- one padding BSR can support a long BSR and another padding BSR can only support a short BSR
- the long BSR shown in FIG. 3 will be included in a MAC PDU supporting a long BSR.
- the short BSR for the LCG of the first priority as shown in FIG. 4 will be included in another MAC PDU supporting the short BSR.
- padding can be used to transmit complete or partial copies of the cycle/conventional BSR to improve transmission reliability.
- a regular/periodic BSR is transmitted in the nth MAC PDU originally scheduled in one TTI, where n ⁇ N, N represents transmission in one TTI.
- the total number of MAC PDUs in a specific implementation, may be predetermined to be transmitted in the last assembled MAC PDU of the serial in one TTI.
- the step S21 further includes: including at least part of the BSR in the padding bits of the one or more MAC PDUs encapsulated before the nth MAC PDU. Then, the user terminal 1 determines whether a complete or part of the regular/periodic BSR has been included in the padding of at least one MAC PDU encapsulated before the nth MAC PDU.
- the regular/period BSR may not necessarily be included in the nth MAC PDU, so the bytes originally intended for loading the BSR in the nth MAC PDU may be saved for Encapsulate data content.
- the user terminal 1 If there is no BSR in the previously assembled MAC PDU or only part of the buffer status information, the user terminal 1 includes the remaining BSR information in the nth encapsulated MAC PDU. Specifically, if the BSR information of more than two LCGs is not included in the previous MAC PDU, the user terminal 1 uses the long BSR to transmit the cache information of the multiple LCGs in the nth MAC PDU, if only When the BSR information of one LCG is not included in the previous MAC PDU, the short BSR should be included in the nth MAC PDU.
- the content of the partial BSR is already included in the padding bit of the at least one preceding MAC PDU before the nth MAC PDU, for example, the buffer size information including the No. 0 LCG, and the No. 1 LCG.
- the buffer size information and the buffer size information of the No. 2 LCG the user terminal 1 only needs to use the short BSR or the truncated BSR to include the buffer size information of the No. 3 LCG in the nth MAC PDU, and the saved bits can be used.
- the buffer size information including the No. 0 LCG, and the No. 1 LCG.
- the user terminal 1 only needs to use the short BSR or the truncated BSR to include the buffer size information of the No. 3 LCG in the nth MAC PDU, and the saved bits can be used.
- the above scheme A and scheme B respectively assemble the MAC PDIL scheme from the perspective of reliability and high efficiency.
- A repeatedly transmits the BSR in multiple MAC PDUs, which can provide transmission reliability due to multiple transmissions.
- Solution B improves the efficiency of the transmission, and can fully utilize the padding and the saved bits can be used to transmit more data.
- the user terminal 1 since all MAC PDUs are encapsulated in parallel, the user terminal 1 does not know whether there is padding in other MAC PDUs when encapsulating one MAC PDU. BSR, therefore only scheme A introduced in the serially assembled MAC PDU can be used to fill bits, ie the padding BSR can be used to transmit a full or partial copy of the periodic/conventional BSR, thereby improving transmission reliability.
- the padding bits can also provide incremental information for the coarse-precision BSR mapping table to improve the accuracy of the BSR mapping table.
- the cache size table also known as Table 1, defines the maximum buffer size level, which is determined by multiplying the upstream peak rate by the expected response time.
- Table 1 defines the maximum buffer size level, which is determined by multiplying the upstream peak rate by the expected response time.
- the peak rate increases, and the cache table may not be able to support accurate buffer status information reporting.
- one solution is to increase the maximum value by coarse granularity, that is, the difference between the cache sizes of adjacent indexes is increased to satisfy the total cache size due to the peak rate. Increase and increase.
- the present invention proposes an enhanced solution as follows: A fill-in BSR and a regular/periodic BSR are used together to provide more accurate BSR information. Moreover, the R (reserved, reserved) bits in the MAC sub header can be used to distinguish the original BSR information from the incremental information.
- two MAC PDUs are transmitted in one TTI.
- the periodic/normal BSR is triggered, it will be transmitted in a MAC PDU, and the padding BSR is supported in the remaining MAC PDU.
- more accurate information can be provided in a multi-level incremental manner.
- the periodic/regular BSR is triggered, it will be transmitted in one MAC PDU, there is only one LCG and the actual number of buffers is 111148 bytes, and the other two MAC PDUs support padding.
- the case of the BSR is explained as an example.
- the packet is included in the subheader of the MAC PDU.
- the first R bit can be set as the identifier of the first level increment
- the second R bit can be set as the identifier of the second level increment. .
- the padding BSR index of the first MAC PDU is 61
- the various steps described above are described in terms of the transmitter, i.e., the user terminal 1.
- the following is a brief description from the perspective of the base station 2, that is, the receiver.
- the base station 2 receives the MAC PDU from the user terminal 1, and then the base station 2 extracts the BSR message from the MAC PDU encapsulating the BSR according to the manner in which the MAC PDU is assembled. In order to allocate and schedule uplink resources for the user terminal 1.
- FIG. 6 shows a block diagram of a device in accordance with an embodiment of the present invention.
- the device 10 is located in the user terminal shown in FIG.
- the device 10 includes a first acquisition device 100, a generation device 101 and a reporting device 102.
- user terminal 1 is configured with a plurality of component carriers.
- the first obtaining apparatus 100 is configured to acquire, after the generation of each media access layer protocol data unit corresponding to each component carrier, the amount of data to be sent;
- the generating device 101 is configured to generate an uplink buffer status report message according to the amount of data to be sent;
- the reporting device 102 is configured to report the uplink buffer status report message to the base station.
- the reporting device 102 is further configured to send an uplink buffer status report message to one of the at least one component carrier to the base station that occupies the user terminal.
- the generating apparatus 101 when each media access layer protocol data unit corresponds to a logical channel having a different priority, the generating apparatus 101 is further configured to correspond to the uplink buffer status report message and the logical channel having the highest priority.
- the data is encapsulated in a media access layer protocol data unit; and the reporting device 102 is further configured to send the media access layer protocol data unit encapsulating the uplink buffer status report message to the base station 2 of the jurisdiction user terminal 1.
- Table 1 Level of cache size of BSR
- the generating apparatus 101 is further configured to: place an uplink buffer status report message in a first medium access layer protocol data unit, and in at least one other media access layer protocol data unit having a padding bit. At least part of the content of the uplink buffer status report message is repeatedly placed in the padding bit;
- the sending device 102 is further configured to report the uplink buffer status report message to the base station 2 on the first component carrier, and simultaneously report the at least part of the content of the uplink buffer status report message on the at least one other component carrier.
- Base station 2
- the generating device 101 further includes:
- a second obtaining device configured to acquire a size of the padding bit
- the generating device 101 is further configured to: when the padding bit is sufficient to include the entire content of the uplink buffer status report message, repeatedly placing the uplink buffer status report message in a padding bit of at least one other media access layer protocol data unit having a padding bit.
- the generating device 101 is further configured to repeatedly place part of the content of the uplink buffer status report message in a padding bit of the at least one other media access layer protocol data unit having a padding bit.
- the media access layer protocol data unit on each component carrier is serially generated, and the first media access layer protocol data unit originally scheduled on one component carrier transmits an uplink buffer status report.
- the message generating apparatus 101 is further configured to include at least part of the uplink buffer status report message in a padding bit of the at least one previous media access layer protocol data unit encapsulated before the first media access layer protocol data unit;
- the device 10 further includes: a determining device (not shown), configured to determine whether a complete or part of the uplink buffer status report has been included in a padding bit of the at least one prior media access layer protocol data unit Message:
- the generating device 101 is also used to:
- the generating device 101 is further configured to:
Description
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Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US13/643,510 US9369904B2 (en) | 2010-05-03 | 2010-05-03 | Method and apparatus for transmitting buffer status report in wireless network |
JP2013508346A JP5788971B2 (ja) | 2010-05-03 | 2010-05-03 | 無線ネットワーク内でバッファ・ステータス・レポートを送信するための方法および装置 |
KR1020127031237A KR101411344B1 (ko) | 2010-05-03 | 2010-05-03 | 무선 네트워크에서 버퍼 상태 리포트를 전송하기 위한 방법 및 디바이스 |
PCT/CN2010/072401 WO2011137576A1 (zh) | 2010-05-03 | 2010-05-03 | 无线网络中用于发送缓冲状态报告的方法和装置 |
BR112012028070-8A BR112012028070B1 (pt) | 2010-05-03 | 2010-05-03 | Método e aparelho para transmissão de relatório de estado de buffer na rede sem fio |
EP10850946.4A EP2568759B1 (en) | 2010-05-03 | 2010-05-03 | Method and device for sending buffer status report in wireless network |
CN201080064960.4A CN102783234B (zh) | 2010-05-03 | 2010-05-03 | 无线网络中用于发送缓冲状态报告的方法和装置 |
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PCT/CN2010/072401 WO2011137576A1 (zh) | 2010-05-03 | 2010-05-03 | 无线网络中用于发送缓冲状态报告的方法和装置 |
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US (1) | US9369904B2 (zh) |
EP (1) | EP2568759B1 (zh) |
JP (1) | JP5788971B2 (zh) |
KR (1) | KR101411344B1 (zh) |
CN (1) | CN102783234B (zh) |
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WO (1) | WO2011137576A1 (zh) |
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KR20150106401A (ko) * | 2013-01-11 | 2015-09-21 | 엘지전자 주식회사 | 버퍼 상태를 보고하기 위한 방법 및 이를 위한 통신 장치 |
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WO2017032059A1 (zh) * | 2015-08-21 | 2017-03-02 | 中兴通讯股份有限公司 | 缓冲区状态报告生成方法及装置 |
CN110139389A (zh) * | 2018-02-09 | 2019-08-16 | 电信科学技术研究院有限公司 | 一种缓冲区状态上报的方法、装置及计算机存储介质 |
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CN102783234B (zh) | 2015-11-25 |
JP2013526223A (ja) | 2013-06-20 |
JP5788971B2 (ja) | 2015-10-07 |
US9369904B2 (en) | 2016-06-14 |
CN102783234A (zh) | 2012-11-14 |
KR20130014586A (ko) | 2013-02-07 |
EP2568759A4 (en) | 2015-07-01 |
US20130114445A1 (en) | 2013-05-09 |
EP2568759B1 (en) | 2016-09-28 |
EP2568759A1 (en) | 2013-03-13 |
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