CN101641894B - 用于在正交频分复用通信系统中提供信道质量和预编码度量反馈的方法和装置 - Google Patents
用于在正交频分复用通信系统中提供信道质量和预编码度量反馈的方法和装置 Download PDFInfo
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- CN101641894B CN101641894B CN200880009016.1A CN200880009016A CN101641894B CN 101641894 B CN101641894 B CN 101641894B CN 200880009016 A CN200880009016 A CN 200880009016A CN 101641894 B CN101641894 B CN 101641894B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/26—Systems using multi-frequency codes
- H04L27/2601—Multicarrier modulation systems
- H04L27/2626—Arrangements specific to the transmitter only
- H04L27/2646—Arrangements specific to the transmitter only using feedback from receiver for adjusting OFDM transmission parameters, e.g. transmission timing or guard interval length
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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
- H04B7/0417—Feedback systems
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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
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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
- H04B7/0658—Feedback reduction
- H04B7/066—Combined feedback for a number of channels, e.g. over several subcarriers like in orthogonal frequency division multiplexing [OFDM]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
- H04L1/0023—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
- H04L1/0026—Transmission of channel quality indication
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- 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
- H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
- H04L25/03006—Arrangements for removing intersymbol interference
- H04L25/03343—Arrangements at the transmitter end
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/26—Systems using multi-frequency codes
- H04L27/2601—Multicarrier modulation systems
-
- 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
- H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
- H04L25/03006—Arrangements for removing intersymbol interference
- H04L2025/0335—Arrangements for removing intersymbol interference characterised by the type of transmission
- H04L2025/03375—Passband transmission
- H04L2025/03414—Multicarrier
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- 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
- H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
- H04L25/03006—Arrangements for removing intersymbol interference
- H04L2025/0335—Arrangements for removing intersymbol interference characterised by the type of transmission
- H04L2025/03426—Arrangements for removing intersymbol interference characterised by the type of transmission transmission using multiple-input and multiple-output channels
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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
- H04L5/02—Channels characterised by the type of signal
- H04L5/023—Multiplexing of multicarrier modulation signals
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- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Quality & Reliability (AREA)
- Mobile Radio Communication Systems (AREA)
- Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- Power Engineering (AREA)
Abstract
Description
Claims (15)
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US89585107P | 2007-03-20 | 2007-03-20 | |
US60/895,851 | 2007-03-20 | ||
US12/045,094 US8831116B2 (en) | 2007-03-20 | 2008-03-10 | Method and apparatus for providing channel quality and precoding metric feedback in an orthogonal frequency division multiplexing communication system |
US12/045,094 | 2008-03-10 | ||
PCT/US2008/056946 WO2008115772A1 (en) | 2007-03-20 | 2008-03-14 | Method and apparatus for providing channel quality and precoding metric feedback in an orthogonal frequency division multiplexing communication system |
Publications (2)
Publication Number | Publication Date |
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CN101641894A CN101641894A (zh) | 2010-02-03 |
CN101641894B true CN101641894B (zh) | 2013-11-06 |
Family
ID=39598193
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN200880009016.1A Active CN101641894B (zh) | 2007-03-20 | 2008-03-14 | 用于在正交频分复用通信系统中提供信道质量和预编码度量反馈的方法和装置 |
Country Status (6)
Country | Link |
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US (1) | US8831116B2 (zh) |
EP (1) | EP2137858B1 (zh) |
JP (1) | JP5130592B2 (zh) |
KR (1) | KR101084427B1 (zh) |
CN (1) | CN101641894B (zh) |
WO (1) | WO2008115772A1 (zh) |
Families Citing this family (51)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8363744B2 (en) | 2001-06-10 | 2013-01-29 | Aloft Media, Llc | Method and system for robust, secure, and high-efficiency voice and packet transmission over ad-hoc, mesh, and MIMO communication networks |
US6999430B2 (en) * | 2000-11-30 | 2006-02-14 | Qualcomm Incorporated | Method and apparatus for transmitting data traffic on a wireless communication channel |
EP2339854A3 (en) | 2001-11-30 | 2013-11-13 | NTT DoCoMo, Inc. | Moving picture encoding device, moving picture decoding device, moving picture encoding method, moving picture decoding method, program, and computer readable recording medium storing program |
US8594207B2 (en) * | 2005-10-31 | 2013-11-26 | Motorola Mobility Llc | Method and apparatus for providing channel quality feedback in an orthogonal frequency division multiplexing communication system |
JP4889532B2 (ja) * | 2007-03-20 | 2012-03-07 | 株式会社エヌ・ティ・ティ・ドコモ | 移動通信システムにおける基地局装置及び方法 |
US8982969B2 (en) * | 2007-05-03 | 2015-03-17 | Broadcom Corporation | Method and system for CQI/PMI feedback for precoded MIMO systems utilizing differential codebooks |
US20090257356A1 (en) * | 2008-04-11 | 2009-10-15 | Nokia Siemens Networks Oy | Enhanced channel quality indication reports |
EP2117155B1 (en) | 2008-05-06 | 2014-03-19 | Godo Kaisha IP Bridge 1 | Control channel signalling for triggering the independent transmission of a channel quality indicator |
TWI506976B (zh) | 2008-07-02 | 2015-11-01 | Interdigital Patent Holdings | 多輸入多輸出通信的秩及預編碼矩陣測量及報告方法及裝置 |
KR101056614B1 (ko) | 2008-07-30 | 2011-08-11 | 엘지전자 주식회사 | 다중안테나 시스템에서 데이터 전송방법 |
KR20100013251A (ko) * | 2008-07-30 | 2010-02-09 | 엘지전자 주식회사 | 다중안테나 시스템에서 데이터 전송방법 |
US8520537B2 (en) | 2008-08-08 | 2013-08-27 | Futurewei Technologies, Inc. | System and method for synchronized and coordinated beam switching and scheduling in a wireless communications system |
US8462881B2 (en) * | 2008-12-31 | 2013-06-11 | Ubidyne, Inc. | Method for digitally predistorting a payload signal and radio station incorporating the method |
EP2204903B1 (en) * | 2008-12-31 | 2012-07-18 | Ubidyne Inc. | A radio station and active antenna array |
US9071310B2 (en) * | 2009-01-12 | 2015-06-30 | Qualcomm Incorporated | Method and apparatus for enabling multiple transmission modes in a wireless communication system |
US9520933B2 (en) | 2009-01-12 | 2016-12-13 | Qualcomm Incorporated | Method and apparatus for enabling multiple transmission modes based on multiple search spaces |
KR101753391B1 (ko) * | 2009-03-30 | 2017-07-04 | 엘지전자 주식회사 | 무선 통신 시스템에서 신호 전송 방법 및 장치 |
US8396416B2 (en) * | 2009-04-01 | 2013-03-12 | Ubidyne, Inc. | Radio system and a method for relaying radio signals |
US8243851B2 (en) * | 2009-04-01 | 2012-08-14 | Ubidyne, Inc. | Radio system and a method for relaying radio signals |
US9397396B2 (en) * | 2009-04-01 | 2016-07-19 | Kathrein-Werke Kg | Radio system and a method for relaying packetized radio signals |
US9871620B2 (en) | 2009-04-27 | 2018-01-16 | Nokia Solutions And Networks Oy | Parameter feedback in a wireless communication system |
WO2010127026A1 (en) * | 2009-04-28 | 2010-11-04 | Futurewei Technologies, Inc. | System and method for coordinating electronic devices in a wireless communications system |
WO2011024524A1 (ja) | 2009-08-24 | 2011-03-03 | 日本電気株式会社 | 通信端末 |
US8731005B2 (en) * | 2009-10-12 | 2014-05-20 | Kathrein-Werke Kg | Absolute timing and Tx power calibration of the Tx path in a distributed system |
US9008009B2 (en) * | 2009-11-06 | 2015-04-14 | Lg Electronics Inc. | Method of resource block (RB) bundling |
CN102064908B (zh) * | 2009-11-18 | 2014-02-19 | 中兴通讯股份有限公司南京分公司 | 一种分类反馈全带宽上的子带信道质量信息的方法及终端 |
KR20110068854A (ko) * | 2009-12-15 | 2011-06-22 | 주식회사 팬택 | 무선통신 시스템에서의 자원 구성 방법과 구성된 자원에서의 데이터 송수신 방법 및 이를 위한 장치 |
WO2011083417A2 (en) * | 2010-01-07 | 2011-07-14 | Marvell World Trade Ltd | Signaling of dedicated reference signal (drs) precoding granularity |
US9118532B2 (en) | 2010-02-10 | 2015-08-25 | Telefonaktiebolaget L M Ericsson (Publ) | Method and arrangement in a telecommunications system |
WO2011100857A1 (en) * | 2010-02-17 | 2011-08-25 | Telefonaktiebolaget L M Ericsson (Publ) | Method and apparatus for improving demodulation performance using demodulation reference signals power boosting |
CN102244559A (zh) * | 2010-05-12 | 2011-11-16 | 华为技术有限公司 | 一种预编码信息的发送和接收方法及装置 |
US8774196B2 (en) | 2010-06-03 | 2014-07-08 | Kathrein-Werke Kg | Active antenna array and method for relaying radio signals with synchronous digital data interface |
US9148204B2 (en) * | 2010-06-21 | 2015-09-29 | Qualcomm Incorporated | Physical resource block (PRB) bundling for open loop beamforming |
US9014025B2 (en) * | 2010-10-04 | 2015-04-21 | Futurewei Technologies, Inc. | System and method for coordinating different types of base stations in a heterogeneous communications system |
US8687727B2 (en) * | 2010-11-05 | 2014-04-01 | Intel Corporation | Coordinated multi-point transmission using interference feedback |
US9432995B2 (en) * | 2011-04-18 | 2016-08-30 | Huawei Technologies Co., Ltd. | Method for arranging transmissions on a downlink carrier |
WO2013048051A2 (ko) * | 2011-09-26 | 2013-04-04 | 엘지전자 주식회사 | 무선 통신 시스템에서 상향링크 제어 신호를 전송하는 방법 및 장치 |
US8565181B2 (en) | 2012-02-06 | 2013-10-22 | Neocific, Inc. | Methods and apparatus for multi-carrier communications with efficient control signaling |
KR102091855B1 (ko) * | 2013-03-14 | 2020-03-20 | 삼성전자주식회사 | 다수 톤 주파수 직각 진폭 변조를 사용하는 무선 통신 시스템에서 심볼 매핑 방법 및 장치 |
EP3101971A4 (en) * | 2014-01-28 | 2017-09-06 | Fujitsu Limited | Beam selection method, apparatus and communication system |
US9872242B2 (en) * | 2014-01-31 | 2018-01-16 | Qualcomm Incorporated | Joint transmission of CSI-RS for channel state feedback and transmission point selection |
CN106416400B (zh) * | 2014-05-28 | 2020-03-20 | 诺基亚通信公司 | 无线通信的方法和装置以及相应的计算机可读存储介质 |
CN106302269B (zh) * | 2015-06-04 | 2020-06-23 | 电信科学技术研究院 | 一种信道状态信息的反馈及其控制方法及装置 |
EP4012945A1 (en) * | 2015-07-03 | 2022-06-15 | Telefonaktiebolaget LM Ericsson (publ) | A network node, a wireless device and respective method performed thereby for communicating therebetween |
US10021685B2 (en) * | 2015-12-28 | 2018-07-10 | Qualcomm Incorporated | Techniques for allocating resources in low latency wireless communications |
US10143002B2 (en) * | 2016-01-12 | 2018-11-27 | Cisco Technology, Inc. | System and method to facilitate centralized radio resource management in a split radio access network environment |
CN108882266A (zh) * | 2017-05-12 | 2018-11-23 | 维沃移动通信有限公司 | 无线资源管理rrm测量方法、网络侧设备及终端 |
CN110870235B (zh) * | 2017-08-31 | 2022-05-31 | 上海朗帛通信技术有限公司 | 一种被用于无线通信的用户、基站中的方法和装置 |
KR101954433B1 (ko) | 2018-01-11 | 2019-03-05 | 엘지전자 주식회사 | 무선 통신 시스템에서 단말의 하향링크 신호 수신 방법 및 상기 방법을 이용하는 단말 |
US10772024B2 (en) | 2018-01-12 | 2020-09-08 | At&T Intellectual Property I, L.P. | Adaptive multiple antenna transmission scheme for uplink data transmission in wireless communication systems |
US20210321423A1 (en) * | 2018-08-08 | 2021-10-14 | lNDIAN INSTITUTE OF TECHNOLOGY HYDERABAD | Method and system for scheduling a pool of resources to a plurality of user equipments |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1625164A (zh) * | 2003-11-20 | 2005-06-08 | 三星电子株式会社 | 正交频分复用系统中收发副载波信道质量的设备和方法 |
EP1890413A2 (en) * | 2006-08-18 | 2008-02-20 | Samsung Electronics Co., Ltd. | Method and apparatus for transmitting / receiving feedback information representing channel quality in a MIMO-OFDM system |
Family Cites Families (29)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3848421B2 (ja) | 1997-01-31 | 2006-11-22 | 秀男 村上 | 離散時間信号に対する多重化装置および多重化システムと、離散時間信号に対する多重化方法 |
US6359923B1 (en) | 1997-12-18 | 2002-03-19 | At&T Wireless Services, Inc. | Highly bandwidth efficient communications |
US6215827B1 (en) | 1997-08-25 | 2001-04-10 | Lucent Technologies, Inc. | System and method for measuring channel quality information in a communication system |
US6091777A (en) | 1997-09-18 | 2000-07-18 | Cubic Video Technologies, Inc. | Continuously adaptive digital video compression system and method for a web streamer |
US6043771A (en) | 1998-12-21 | 2000-03-28 | Trw Inc. | Compact, sensitive, low power device for broadband radar detection |
JP3875086B2 (ja) | 2001-11-30 | 2007-01-31 | ソフトバンクテレコム株式会社 | 直交周波数分割多重システムおよび送受信装置 |
JP3751265B2 (ja) | 2002-06-20 | 2006-03-01 | 松下電器産業株式会社 | 無線通信システムおよびスケジューリング方法 |
AU2004206590C1 (en) | 2003-01-23 | 2010-07-15 | Qualcomm Incorporated | Methods of providing transmit traversity in wireless |
US6927728B2 (en) | 2003-03-13 | 2005-08-09 | Motorola, Inc. | Method and apparatus for multi-antenna transmission |
US7640373B2 (en) | 2003-04-25 | 2009-12-29 | Motorola, Inc. | Method and apparatus for channel quality feedback within a communication system |
KR20050000709A (ko) | 2003-06-24 | 2005-01-06 | 삼성전자주식회사 | 다중 접속 방식을 사용하는 통신 시스템의 데이터 송수신장치 및 방법 |
KR100640461B1 (ko) | 2003-07-30 | 2006-10-30 | 삼성전자주식회사 | 직교 주파수 분할 다중 접속 방식을 사용하는 이동 통신시스템에서 서브 채널 할당 장치 및 방법 |
KR100640516B1 (ko) | 2004-02-27 | 2006-10-30 | 삼성전자주식회사 | 직교주파수분할다중화 통신 시스템에서 채널품질 정보의전송방법 및 장치 |
KR100620914B1 (ko) | 2004-04-07 | 2006-09-13 | 삼성전자주식회사 | 광대역 무선통신시스템에서 에이엠씨 모드와 다이버시티 모드를 스위칭하기 위한 장치 및 방법 |
US7570696B2 (en) | 2004-06-25 | 2009-08-04 | Intel Corporation | Multiple input multiple output multicarrier communication system and methods with quantized beamforming feedback |
TWI543572B (zh) | 2004-08-12 | 2016-07-21 | 內數位科技公司 | 正交分頻多工無線通信系統中實施空間頻率區塊編碼方法及裝置 |
EP2683106B1 (en) | 2004-10-29 | 2018-03-21 | Fujitsu Limited | Communications apparatus and communications system using multicarrier transmission mode |
US8130855B2 (en) | 2004-11-12 | 2012-03-06 | Interdigital Technology Corporation | Method and apparatus for combining space-frequency block coding, spatial multiplexing and beamforming in a MIMO-OFDM system |
US8571132B2 (en) | 2004-12-22 | 2013-10-29 | Qualcomm Incorporated | Constrained hopping in wireless communication systems |
WO2006093468A1 (en) | 2005-03-04 | 2006-09-08 | Matsushita Electric Industrial Co., Ltd. | Transmit power allocation in wireless communication system |
US20060203845A1 (en) * | 2005-03-09 | 2006-09-14 | Pantelis Monogioudis | High-rate wireless communication mehod for packet data |
US9184870B2 (en) | 2005-04-01 | 2015-11-10 | Qualcomm Incorporated | Systems and methods for control channel signaling |
US9136974B2 (en) | 2005-08-30 | 2015-09-15 | Qualcomm Incorporated | Precoding and SDMA support |
US7729432B2 (en) | 2005-10-28 | 2010-06-01 | Samsung Electronics Co., Ltd. | System and method for enhancing the performance of wireless communication systems |
US8054894B2 (en) | 2005-10-31 | 2011-11-08 | Motorola Mobility, Inc. | Method and apparatus for providing channel quality feedback in an orthogonal frequency division multiplexing communication system |
US10044532B2 (en) | 2006-03-20 | 2018-08-07 | Texas Instruments Incorporated | Pre-coder selection based on resource block grouping |
US8014455B2 (en) | 2006-03-27 | 2011-09-06 | Qualcomm Incorporated | Feedback of differentially encoded channel state information for multiple-input multiple-output (MIMO) and subband scheduling in a wireless communication system |
US20150030058A9 (en) | 2006-05-17 | 2015-01-29 | Texas Instruments Inc. | Cqi feedback for mimo deployments |
US20080219370A1 (en) * | 2007-03-06 | 2008-09-11 | Texas Instruments Incorporated | User equipment feedback structures for mimo ofdma |
-
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JP2010519874A (ja) | 2010-06-03 |
EP2137858A1 (en) | 2009-12-30 |
US20080232492A1 (en) | 2008-09-25 |
US8831116B2 (en) | 2014-09-09 |
KR101084427B1 (ko) | 2011-11-21 |
WO2008115772A1 (en) | 2008-09-25 |
CN101641894A (zh) | 2010-02-03 |
KR20090110882A (ko) | 2009-10-22 |
EP2137858B1 (en) | 2018-11-28 |
JP5130592B2 (ja) | 2013-01-30 |
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