WO2013051909A3 - 협력 멀티 포인트 통신 시스템에서 채널상태정보 송수신 방법 및 장치 - Google Patents
협력 멀티 포인트 통신 시스템에서 채널상태정보 송수신 방법 및 장치 Download PDFInfo
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- WO2013051909A3 WO2013051909A3 PCT/KR2012/008124 KR2012008124W WO2013051909A3 WO 2013051909 A3 WO2013051909 A3 WO 2013051909A3 KR 2012008124 W KR2012008124 W KR 2012008124W WO 2013051909 A3 WO2013051909 A3 WO 2013051909A3
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/0413—MIMO systems
- H04B7/0456—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting
- H04B7/0486—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting taking channel rank into account
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/022—Site diversity; Macro-diversity
- H04B7/024—Co-operative use of antennas of several sites, e.g. in co-ordinated multipoint or co-operative multiple-input multiple-output [MIMO] systems
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/0413—MIMO systems
- H04B7/0417—Feedback systems
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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
- H04L5/0057—Physical resource allocation for CQI
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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
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
- H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
- H04B7/0615—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
- H04B7/0619—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal using feedback from receiving side
- H04B7/0621—Feedback content
- H04B7/063—Parameters other than those covered in groups H04B7/0623 - H04B7/0634, e.g. channel matrix rank or transmit mode selection
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
- H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
- H04B7/0615—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
- H04B7/0619—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal using feedback from receiving side
- H04B7/0621—Feedback content
- H04B7/0632—Channel quality parameters, e.g. channel quality indicator [CQI]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
- H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
- H04B7/0615—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
- H04B7/0619—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal using feedback from receiving side
- H04B7/0636—Feedback format
- H04B7/0639—Using selective indices, e.g. of a codebook, e.g. pre-distortion matrix index [PMI] or for beam selection
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J11/00—Orthogonal multiplex systems, e.g. using WALSH codes
- H04J11/0023—Interference mitigation or co-ordination
- H04J11/005—Interference mitigation or co-ordination of intercell interference
- H04J11/0053—Interference mitigation or co-ordination of intercell interference using co-ordinated multipoint transmission/reception
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
- H04L25/0202—Channel estimation
- H04L25/0224—Channel estimation using sounding signals
- H04L25/0228—Channel estimation using sounding signals with direct estimation from sounding signals
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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
- H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
- H04L5/0051—Allocation of pilot signals, i.e. of signals known to the receiver of dedicated pilots, i.e. pilots destined for a single user or terminal
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Mobile Radio Communication Systems (AREA)
- Telephonic Communication Services (AREA)
Abstract
본 발명은 무선 통신 시스템에 대한 것으로, 보다 상세하게는 협력 멀티 포인트 통신 시스템에서 채널상태정보를 전송하는 방법 및 장치가 개시된다. 본 발명의 일 실시예에 따른 무선통신 시스템에서 단말이 다중 기지국에 대한 채널상태정보(CSI)를 전송하는 방법은 제1 기지국에 대한 랭크 지시자(RI), 프리코딩행렬지시자(PMI) 및 채널품질지시자(CQI) 중 적어도 하나를 포함하는 CSI의 보고에 대한 제1 CSI 설정 정보를 수신하는 단계; 제2 기지국에 대한 RI, PMI 및 CQI 중 적어도 하나를 포함하는 CSI의 보고에 대한 제2 CSI 설정 정보를 수신하는 단계; 및 상기 제1 및 제2 CSI 설정 정보에 기초하여 상기 제1 기지국 및 상기 제2 기지국에 대한 CSI를 전송하는 단계를 포함하고, 상기 제2 CSI 설정 정보의 일부 또는 전부의 파라미터는, 상기 제1 CSI 설정 정보의 대응되는 파라미터와 동일한 값으로 설정될 수 있다.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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US14/346,722 US9184818B2 (en) | 2011-10-07 | 2012-10-08 | Method and apparatus for transreceiving channel state information in cooperative multipoint communication system |
Applications Claiming Priority (6)
Application Number | Priority Date | Filing Date | Title |
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US201161544289P | 2011-10-07 | 2011-10-07 | |
US61/544,289 | 2011-10-07 | ||
US201161546048P | 2011-10-11 | 2011-10-11 | |
US61/546,048 | 2011-10-11 | ||
US201261610998P | 2012-03-14 | 2012-03-14 | |
US61/610,998 | 2012-03-14 |
Publications (2)
Publication Number | Publication Date |
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WO2013051909A2 WO2013051909A2 (ko) | 2013-04-11 |
WO2013051909A3 true WO2013051909A3 (ko) | 2013-06-06 |
Family
ID=48044323
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
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PCT/KR2012/008123 WO2013051908A2 (ko) | 2011-10-07 | 2012-10-08 | 협력 멀티 포인트 통신 시스템에서 채널상태정보 송수신 방법 및 장치 |
PCT/KR2012/008124 WO2013051909A2 (ko) | 2011-10-07 | 2012-10-08 | 협력 멀티 포인트 통신 시스템에서 채널상태정보 송수신 방법 및 장치 |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/KR2012/008123 WO2013051908A2 (ko) | 2011-10-07 | 2012-10-08 | 협력 멀티 포인트 통신 시스템에서 채널상태정보 송수신 방법 및 장치 |
Country Status (2)
Country | Link |
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US (2) | US9184818B2 (ko) |
WO (2) | WO2013051908A2 (ko) |
Families Citing this family (41)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2011162520A2 (ko) * | 2010-06-22 | 2011-12-29 | 엘지전자 주식회사 | 채널 상태 정보 전송 방법 및 장치 |
US10085164B2 (en) * | 2011-04-28 | 2018-09-25 | Qualcomm Incorporated | System and method for managing invalid reference subframes for channel state information feedback |
US20140308905A1 (en) * | 2011-11-07 | 2014-10-16 | Nokia Solutions and Networkds Oy | Flexible Configuration of Channel Measurement |
US9351288B2 (en) * | 2012-06-05 | 2016-05-24 | Samsung Electronics Co., Ltd. | Uplink channel sounding and channel state information estimation in mobile communication systems with multiple antennas |
KR101972945B1 (ko) * | 2012-09-18 | 2019-04-29 | 삼성전자 주식회사 | 무선 통신 시스템에서 채널 상태 정보 송수신 방법 및 장치 |
CN103840907B (zh) * | 2012-11-20 | 2018-06-05 | 电信科学技术研究院 | 一种传输导频信号和信号测量的方法、系统及设备 |
KR102126905B1 (ko) * | 2012-12-18 | 2020-06-25 | 삼성전자주식회사 | 다중 셀 무선 통신 시스템에서 복수의 셀들을 사용한 mimo 송신 방법 및 장치 |
KR102115901B1 (ko) * | 2013-04-16 | 2020-05-27 | 삼성전자 주식회사 | 프리코딩 관련 신호 송수신 방법 및 장치 |
US9252854B2 (en) * | 2013-06-07 | 2016-02-02 | Industrial Technology Research Institute | User equipment having channel quality indicator feedback mechanism |
US9432101B2 (en) * | 2013-06-07 | 2016-08-30 | Google Technology Holdings LLC | Methods for codebook sub-sampling |
US10404442B2 (en) * | 2013-07-02 | 2019-09-03 | Texas Instruments Incorporated | Inter-point parameter signaling in coordinated multi-point (CoMP) networks |
JP6102606B2 (ja) * | 2013-07-26 | 2017-03-29 | 富士通株式会社 | 無線基地局 |
CN105264802B (zh) | 2013-09-04 | 2020-01-31 | 华为技术有限公司 | 信道测量方法、终端设备及基站 |
EP3084990A1 (en) * | 2013-12-18 | 2016-10-26 | Telefonaktiebolaget LM Ericsson (publ) | Operation of a multi-standard base station site supporting at least two different radio access technologies |
CN105027458B (zh) * | 2013-12-31 | 2018-11-30 | 华为技术有限公司 | 一种信道信息获取的方法、装置及系统 |
US9888469B2 (en) | 2014-03-19 | 2018-02-06 | Nec Corporation | Signalling for coordinated multi-point transmission and reception (CoMP) |
EP3186916B1 (en) | 2014-08-28 | 2018-05-23 | Telefonaktiebolaget LM Ericsson (publ) | Network node and method for managing transmission of cell reference symbols |
US10224986B2 (en) * | 2014-09-25 | 2019-03-05 | Nec Corporation | Signalling in coordinated multi-point transmission and reception (CoMP) |
US10230507B2 (en) | 2014-09-25 | 2019-03-12 | Nec Corporation | Signalling in coordinated multi-point transmission and reception (CoMP) |
DE112015005879B4 (de) * | 2015-01-27 | 2023-02-02 | Lg Electronics Inc. | Verfahren und Vorrichtung zum Erzeugen einer Interzell-Information zum Entfernen von Interzell-Interferenzen |
JP2018050089A (ja) * | 2015-01-29 | 2018-03-29 | シャープ株式会社 | 端末装置、基地局装置、集積回路、および、通信方法 |
CN106301509B (zh) | 2015-05-21 | 2020-01-17 | 电信科学技术研究院 | 一种信道状态信息反馈方法和终端 |
EP3334204A4 (en) * | 2015-08-06 | 2019-03-20 | Sharp Kabushiki Kaisha | TERMINAL DEVICE, BASE STATION DEVICE, COMMUNICATION METHOD, AND INTEGRATED CIRCUIT |
CN108352941A (zh) * | 2015-11-06 | 2018-07-31 | 华为技术有限公司 | 一种传输上行控制信息uci的方法及装置 |
CN107302796B (zh) | 2016-03-31 | 2023-04-18 | 华为技术有限公司 | 一种数据传输方法、网络侧设备及终端设备 |
CN114828252A (zh) * | 2016-04-08 | 2022-07-29 | 华为技术有限公司 | 多传输点数据传输的方法及装置 |
US10097254B2 (en) * | 2016-04-18 | 2018-10-09 | Qualcomm Incorporated | Channel state information estimation and channel information reporting |
CN107306177B (zh) | 2016-04-22 | 2023-11-10 | 华为技术有限公司 | 传输数据的方法、用户设备和网络侧设备 |
US10616839B2 (en) * | 2017-04-27 | 2020-04-07 | Qualcomm Incorporated | Over-the-air phase synchronizatin for reciprocity-based comp joint transmission |
US10499386B2 (en) * | 2017-06-15 | 2019-12-03 | Sharp Kabushiki Kaisha | Procedure, base station and user equipment for uplink transmission without grant |
CN109120313B (zh) * | 2017-06-26 | 2023-11-10 | 华为技术有限公司 | 一种秩指示上报方法和装置、指示方法和装置 |
EP3744124A4 (en) * | 2018-01-23 | 2021-08-11 | QUALCOMM Incorporated | CHANNEL STATUS INFORMATION REPORT (CSI) RESOURCE DETERMINATION |
US10644828B2 (en) * | 2018-02-09 | 2020-05-05 | Samsung Electronics Co., Ltd. | Method and apparatus for wideband CSI reporting in an advanced wireless communication system |
JP6636555B2 (ja) * | 2018-03-01 | 2020-01-29 | 華為技術有限公司Huawei Technologies Co.,Ltd. | チャネル測定方法、端末デバイス、及び基地局 |
CN111656715B (zh) * | 2018-06-04 | 2022-01-11 | Oppo广东移动通信有限公司 | 一种码本处理方法、系统、网络设备、用户设备及存储介质 |
WO2020060377A1 (ko) * | 2018-09-21 | 2020-03-26 | 엘지전자 주식회사 | 무선 통신 시스템에서 채널 상태 정보를 보고하는 방법 및 이를 위한 장치 |
WO2020060378A1 (ko) * | 2018-09-21 | 2020-03-26 | 엘지전자 주식회사 | 무선 통신 시스템에서 drx 모드 동작에 따라 채널 상태 정보를 보고하는 방법 및 이를 위한 장치 |
CN113455041B (zh) * | 2019-02-24 | 2024-01-30 | Lg 电子株式会社 | 无线通信系统中用于副链路终端发送和接收与信道状态报告相关的信号的方法和装置 |
CN112242859A (zh) * | 2019-07-16 | 2021-01-19 | 华为技术有限公司 | 信道探测方法及装置 |
CN112911651B (zh) * | 2019-12-04 | 2022-11-08 | 大唐移动通信设备有限公司 | 一种物理传输速率调整方法和系统 |
US11316575B2 (en) * | 2020-04-29 | 2022-04-26 | Qualcomm Incorporated | Multiple channel quality indicator (CQI) reports for link adaptation |
Family Cites Families (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8406171B2 (en) * | 2008-08-01 | 2013-03-26 | Texas Instruments Incorporated | Network MIMO reporting, control signaling and transmission |
CN101729131B (zh) * | 2008-11-03 | 2014-06-04 | 夏普株式会社 | 无线通信系统及预编码方法 |
WO2010120024A1 (en) * | 2009-04-15 | 2010-10-21 | Lg Electronics Inc. | Method of coordinating precoding matrixes in a wireless communication system |
US8611238B2 (en) * | 2009-04-30 | 2013-12-17 | Samsung Electronics Co., Ltd | Multiplexing large payloads of control information from user equipments |
US8600308B2 (en) * | 2009-06-17 | 2013-12-03 | Futurewei Technologies, Inc. | Channel state information feedback for coordinated multiple points transmission |
EP2522095A2 (en) * | 2010-01-08 | 2012-11-14 | InterDigital Patent Holdings, Inc. | Channel state information transmission for multiple carriers |
US20110170427A1 (en) * | 2010-01-11 | 2011-07-14 | Nokia Corporation | Best Companion PMI-Based Beamforming |
US9515773B2 (en) * | 2010-04-13 | 2016-12-06 | Qualcomm Incorporated | Channel state information reporting in a wireless communication network |
US9219571B2 (en) * | 2010-04-13 | 2015-12-22 | Qualcomm Incorporated | Aperiodic CQI reporting in a wireless communication network |
JP5276047B2 (ja) * | 2010-04-30 | 2013-08-28 | 株式会社エヌ・ティ・ティ・ドコモ | 移動端末装置 |
KR101615236B1 (ko) * | 2010-05-18 | 2016-05-13 | 엘지전자 주식회사 | 다중 셀 협력 통신을 위한 적응적 피드백 및 적응적 전송 모드 결정 방법 및 장치 |
US20110319027A1 (en) * | 2010-06-25 | 2011-12-29 | Motorola, Inc. | Method for channel quality feedback in wireless communication systems |
US20120220286A1 (en) * | 2010-08-17 | 2012-08-30 | Texas Instruments Incorporated | Periodic Channel Quality Indicator on Physical Uplink Control Channel for Carrier Aggregation |
JP4987113B2 (ja) * | 2010-10-04 | 2012-07-25 | 株式会社エヌ・ティ・ティ・ドコモ | 基地局装置、移動端末装置及び通信制御方法 |
US8681651B2 (en) * | 2010-11-05 | 2014-03-25 | Qualcomm Incorporated | Reference signal reception and channel state information determination for multiple nodes in a wireless communication network |
WO2012093742A1 (en) * | 2011-01-04 | 2012-07-12 | Pantech Co.,Ltd. | Terminal and base station, method thereof in wireless communication system |
KR101776873B1 (ko) * | 2011-01-11 | 2017-09-11 | 삼성전자 주식회사 | 이동통신 시스템에서 역방향 전송 출력 결정 방법 및 장치 |
US9019850B2 (en) * | 2011-04-11 | 2015-04-28 | Qualcomm Incorporated | CSI reporting for multiple carriers with different system configurations |
US8761129B2 (en) * | 2011-04-29 | 2014-06-24 | Nec Laboratories America, Inc. | Enhancement of download multi-user multiple-input multiple-output wireless communications |
CN103814608A (zh) * | 2011-04-29 | 2014-05-21 | 英特尔公司 | 管理针对可互操作无线电接入技术网络的能量节省的技术 |
JP5325928B2 (ja) * | 2011-05-02 | 2013-10-23 | 株式会社エヌ・ティ・ティ・ドコモ | チャネル状態情報通知方法、無線基地局装置、ユーザ端末及び無線通信システム |
-
2012
- 2012-10-08 WO PCT/KR2012/008123 patent/WO2013051908A2/ko active Application Filing
- 2012-10-08 WO PCT/KR2012/008124 patent/WO2013051909A2/ko active Application Filing
- 2012-10-08 US US14/346,722 patent/US9184818B2/en not_active Expired - Fee Related
- 2012-10-08 US US14/347,840 patent/US9344173B2/en not_active Expired - Fee Related
Non-Patent Citations (3)
Title |
---|
HUAWEI: "Feedback Design Principles for Downlink CoMP", RL-092369, 3GPP RAN WG1 #57BIS, 29 June 2009 (2009-06-29) * |
QUALCOMM EUROPE: "CoMP email summary", RL-092946, 3GPP RAN WG1 #57BIS, 29 June 2009 (2009-06-29) * |
ZTE: "Consideration on downlink control signaling configuration for CoMP", RL-113015, 3GPP RAN WG1 #66BIS, 4 October 2011 (2011-10-04), Retrieved from the Internet <URL:http://list.etsi.org/scripts/wa.exe?A2=ind1110a&L=3gpptsgran_wgl&T=0&P=6668> * |
Also Published As
Publication number | Publication date |
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US9344173B2 (en) | 2016-05-17 |
WO2013051909A2 (ko) | 2013-04-11 |
US20140241454A1 (en) | 2014-08-28 |
US20140226612A1 (en) | 2014-08-14 |
US9184818B2 (en) | 2015-11-10 |
WO2013051908A2 (ko) | 2013-04-11 |
WO2013051908A3 (ko) | 2013-07-04 |
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