CN101512929A - 用于在mimo无线通信系统中提供有效预编码反馈的方法和设备 - Google Patents
用于在mimo无线通信系统中提供有效预编码反馈的方法和设备 Download PDFInfo
- Publication number
- CN101512929A CN101512929A CNA2007800306142A CN200780030614A CN101512929A CN 101512929 A CN101512929 A CN 101512929A CN A2007800306142 A CNA2007800306142 A CN A2007800306142A CN 200780030614 A CN200780030614 A CN 200780030614A CN 101512929 A CN101512929 A CN 101512929A
- Authority
- CN
- China
- Prior art keywords
- feedback
- transmitter
- coding matrix
- receiver
- differential
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Classifications
-
- 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
-
- 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
- H04B7/0663—Feedback reduction using vector or matrix manipulations
-
- 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
- H04B7/0634—Antenna weights or vector/matrix coefficients
-
- 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
- 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
- H04B7/0641—Differential feedback
-
- 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]
-
- 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
- H04L1/02—Arrangements for detecting or preventing errors in the information received by diversity reception
- H04L1/06—Arrangements for detecting or preventing errors in the information received by diversity reception using space diversity
- H04L1/0618—Space-time coding
- H04L1/0675—Space-time coding characterised by the signaling
- H04L1/0687—Full feedback
-
- 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
-
- 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
Abstract
Description
参数 | 假设 |
载波频率 | 2.0GHz |
符号速率 | 4.096兆符号/秒 |
传输带宽 | 5MHz |
TTI长度 | 0.5ms(2048个符号) |
每个TTI的数据块数量 | 6 |
每个TTI的数据符号数量 | 1536 |
快速傅里叶变换(FFT)块大小 | 512 |
被占用的子载波数量 | 256 |
循环前缀(CP)长度 | 7.8125μs(32个采样) |
信道模型 | 典型市区(TU6),SCME-C |
天线结构 | 2 x 2(MIMO) |
发射/接收天线之间的衰落相关 | 对TU6以及SCME-C来说,ρ=0, |
移动速度 | 3km/hr,30km/hr,120km/hr |
数据调制 | QPSK和16QAM |
信道编码 | 具有软判定解码的Turbo码 |
编码速率 | 1/2和1/3 |
均衡器 | LMMSE |
群组反馈 | 每1、12和25个子载波具有一个反馈 |
反馈差错 | 无(假设是理想的) |
反馈延迟 | 2和6个TTI |
信道估计 | 理想信道估计 |
MCS | 可实现的数据速率(Mbps) | 频谱效率(bps/Hz) |
16QAM r7/8-16QAM r3/4 | 19.9680 | 3.99 |
16QAM r7/8-16QAM r1/2 | 16.8960 | 3.38 |
16QAM r7/8-16QAM r1/3 | 14.8480 | 2.97 |
16QAM r5/6-QPSK r1/8 | 11.08 | 2.22 |
16QAM r5/6-QPSK r1/2 | 10.752 | 2.15 |
16QAM r3/4-QPSK r1/6 | 10.24 | 2.05 |
16QAM r1/2-QPSK r1/3 | 8.192 | 1.64 |
16QAM r1/2-QPSK r1/6 | 7.168 | 1.43 |
16QAM r1/3-QPSK r1/8 | 4.864 | 0.97 |
16QAM r1/4-QPSK r1/8 | 3.840 | 0.77 |
Claims (59)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201410210349.8A CN103986556B (zh) | 2006-08-17 | 2007-08-15 | 用于在mimo无线通信系统中提供有效预编码反馈的方法和设备 |
Applications Claiming Priority (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US83827306P | 2006-08-17 | 2006-08-17 | |
US60/838,273 | 2006-08-17 | ||
US83919506P | 2006-08-21 | 2006-08-21 | |
US60/839,195 | 2006-08-21 | ||
US89271907P | 2007-03-02 | 2007-03-02 | |
US60/892,719 | 2007-03-02 | ||
PCT/US2007/018064 WO2008021396A2 (en) | 2006-08-17 | 2007-08-15 | Method and apparatus for providing efficient precoding feedback in a mimo wireless communication system |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201410210349.8A Division CN103986556B (zh) | 2006-08-17 | 2007-08-15 | 用于在mimo无线通信系统中提供有效预编码反馈的方法和设备 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN101512929A true CN101512929A (zh) | 2009-08-19 |
CN101512929B CN101512929B (zh) | 2014-06-25 |
Family
ID=38996664
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201410210349.8A Active CN103986556B (zh) | 2006-08-17 | 2007-08-15 | 用于在mimo无线通信系统中提供有效预编码反馈的方法和设备 |
CN200780030614.2A Active CN101512929B (zh) | 2006-08-17 | 2007-08-15 | 用于在mimo无线通信系统中提供有效预编码反馈的方法和设备 |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201410210349.8A Active CN103986556B (zh) | 2006-08-17 | 2007-08-15 | 用于在mimo无线通信系统中提供有效预编码反馈的方法和设备 |
Country Status (18)
Country | Link |
---|---|
US (1) | US7881247B2 (zh) |
EP (2) | EP2448145B1 (zh) |
JP (1) | JP5420407B2 (zh) |
KR (3) | KR101325370B1 (zh) |
CN (2) | CN103986556B (zh) |
AR (1) | AR062414A1 (zh) |
AU (1) | AU2007284477B2 (zh) |
BR (1) | BRPI0714537A2 (zh) |
CA (1) | CA2660945C (zh) |
ES (1) | ES2672397T3 (zh) |
HK (1) | HK1133495A1 (zh) |
HU (1) | HUE038842T2 (zh) |
IL (2) | IL197082A (zh) |
MX (1) | MX2009001761A (zh) |
MY (1) | MY157698A (zh) |
RU (1) | RU2407158C1 (zh) |
TW (1) | TWI479822B (zh) |
WO (1) | WO2008021396A2 (zh) |
Cited By (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2011038697A1 (zh) * | 2009-09-30 | 2011-04-07 | 华为技术有限公司 | 一种获取预编码矩阵指示的方法和装置 |
CN102130752A (zh) * | 2010-01-16 | 2011-07-20 | 华为技术有限公司 | 获取预编码矩阵指示以及预编码矩阵的方法和装置 |
WO2011124023A1 (zh) * | 2010-04-07 | 2011-10-13 | 上海贝尔股份有限公司 | 转换装置和方法 |
CN102447499A (zh) * | 2010-10-06 | 2012-05-09 | 马维尔国际贸易有限公司 | 用于pucch反馈的码本子采样 |
CN102752071A (zh) * | 2011-04-20 | 2012-10-24 | 上海交通大学 | 用于多点协作系统的下行链路预编码方法和中心处理节点 |
CN102957496A (zh) * | 2011-08-19 | 2013-03-06 | 中兴通讯股份有限公司 | 一种实现码本重排的方法和系统 |
CN103004104A (zh) * | 2010-06-03 | 2013-03-27 | 数码士有限公司 | 差分预编码方法和支持该方法的基站 |
CN102111197B (zh) * | 2009-12-28 | 2014-03-12 | 电信科学技术研究院 | 预编码矩阵索引信息上报方法和设备 |
CN103634065A (zh) * | 2012-08-24 | 2014-03-12 | 意法半导体(R&D)有限公司 | Cdma信号的生成和处理 |
CN105323037A (zh) * | 2014-08-01 | 2016-02-10 | 中国移动通信集团公司 | 根据复矩阵进行预编码的方法及装置 |
CN105323036A (zh) * | 2014-08-01 | 2016-02-10 | 中国移动通信集团公司 | 对复矩阵进行奇异值分解的方法、装置及计算设备 |
CN106788464A (zh) * | 2016-12-12 | 2017-05-31 | 中国科学院上海高等研究院 | 一种15线转4线编码电路 |
US10069547B2 (en) | 2014-04-02 | 2018-09-04 | Huawei Technologies Co., Ltd. | Beamforming based communications method and apparatus |
CN109784282A (zh) * | 2019-01-18 | 2019-05-21 | 重庆邮电大学 | 基于信号相干特征的被动式人员运动检测与追踪方法 |
US11621750B2 (en) * | 2021-06-29 | 2023-04-04 | Qualcomm Incorporated | Demodulator report for smart receiver power optimization |
Families Citing this family (149)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20060028989A (ko) * | 2004-09-30 | 2006-04-04 | 엘지전자 주식회사 | 다중입출력 시스템에 적용되는 신호 처리 방법 |
BRPI0617868A2 (pt) * | 2005-10-27 | 2011-08-09 | Qualcomm Inc | pré-codificação para programação sensìvel a segmento em sistemas de comunicação sem fio |
US7917176B2 (en) * | 2006-02-14 | 2011-03-29 | Nec Laboratories America, Inc. | Structured codebook and successive beamforming for multiple-antenna systems |
US10873375B2 (en) * | 2006-03-20 | 2020-12-22 | Texas Instruments Incorporated | Pre-coder selection based on resource block grouping |
WO2008021392A2 (en) * | 2006-08-17 | 2008-02-21 | Interdigital Technology Corporation | Method and apparatus for reducing a peak-to-average power ratio in a multiple-input multiple-output system |
TWI470957B (zh) * | 2006-10-30 | 2015-01-21 | Interdigital Tech Corp | 無線通信系統中處理反饋方法及裝置 |
KR101403105B1 (ko) * | 2006-10-31 | 2014-06-09 | 엘지전자 주식회사 | 귀환 데이터 전송 방법, 귀환 데이터 생성 방법 및 데이터스케줄링 방법 |
US8885744B2 (en) * | 2006-11-10 | 2014-11-11 | Qualcomm Incorporated | Providing antenna diversity in a wireless communication system |
US8290067B2 (en) * | 2006-11-13 | 2012-10-16 | Samsung Electronics Co., Ltd. | Spectrum sharing in a wireless communication network |
US7813315B2 (en) * | 2006-11-13 | 2010-10-12 | Samsung Electronics Co., Ltd. | Spectrum sharing in a wireless communication network |
US8411709B1 (en) | 2006-11-27 | 2013-04-02 | Marvell International Ltd. | Use of previously buffered state information to decode in an hybrid automatic repeat request (H-ARQ) transmission mode |
WO2008066349A1 (en) | 2006-12-01 | 2008-06-05 | Electronics And Telecommunications Research Institute | Method and apparatus for transmitting/receiving multiple codewords in sc-fdma system |
KR100874264B1 (ko) * | 2006-12-01 | 2008-12-16 | 한국전자통신연구원 | Sc-fdma 시스템에서의 다중 코드 워드 송수신 방법및 장치 |
US20080153428A1 (en) * | 2006-12-04 | 2008-06-26 | Samsung Electronics Co., Ltd. | Apparatus and method for transmitting/receiving feedback information in a mobile communication system using array antennas |
US7983366B2 (en) * | 2006-12-05 | 2011-07-19 | Intel Corporation | Transmission signaling techniques to enhance receiver interference mitigation performance |
DK3174221T3 (en) * | 2007-01-12 | 2019-01-07 | Ericsson Telefon Ab L M | Method and device in a wireless communication system |
CN101257367B (zh) * | 2007-02-28 | 2013-03-27 | 皇家飞利浦电子股份有限公司 | 选择预编码的方法和装置 |
US7839945B2 (en) * | 2007-03-20 | 2010-11-23 | Nec Laboratories America, Inc. | Static and differential precoding codebook for MIMO systems |
EP3249869B1 (en) | 2007-04-30 | 2019-05-15 | Telefonaktiebolaget LM Ericsson (publ) | Method and arrangement for adapting a multi-antenna transmission |
KR100932260B1 (ko) * | 2007-05-31 | 2009-12-16 | 한국전자통신연구원 | 다중입력 다중출력 시스템을 위한 복호화 장치 및 그 방법 |
WO2008157620A2 (en) * | 2007-06-19 | 2008-12-24 | Interdigital Technology Corporation | Constant modulus mimo precoding for constraining transmit antenna power for differential feedback |
US20080317145A1 (en) * | 2007-06-25 | 2008-12-25 | Bruno Clerckx | Multiple input multiple output communication system and a method of adaptively generating codebook |
KR20080114452A (ko) * | 2007-06-26 | 2008-12-31 | 엘지전자 주식회사 | 다중 안테나 시스템에서 데이터 전송방법 및 코드북구성방법 |
US8467367B2 (en) | 2007-08-06 | 2013-06-18 | Qualcomm Incorporated | Multiplexing and transmission of traffic data and control information in a wireless communication system |
KR101397341B1 (ko) * | 2007-08-21 | 2014-06-19 | 엘지전자 주식회사 | 다중안테나 시스템에서의 데이터 전송 방법 |
KR20090024623A (ko) * | 2007-09-04 | 2009-03-09 | 한국전자통신연구원 | 고속 무선 통신을 위한 프레임 구성 방법 및 이를 이용한 고속 무선 통신 장치 |
US8897393B1 (en) * | 2007-10-16 | 2014-11-25 | Marvell International Ltd. | Protected codebook selection at receiver for transmit beamforming |
US8040278B2 (en) * | 2007-11-09 | 2011-10-18 | Intel Corporation | Adaptive antenna beamforming |
US8542725B1 (en) | 2007-11-14 | 2013-09-24 | Marvell International Ltd. | Decision feedback equalization for signals having unequally distributed patterns |
CN101471907A (zh) * | 2007-12-28 | 2009-07-01 | 三星电子株式会社 | 多入多出系统中的预编码方法及使用该方法的装置 |
GB0800366D0 (en) * | 2008-01-09 | 2008-02-20 | Icera Inc | System and method of wireless communication |
GB2456217B (en) * | 2008-01-09 | 2013-01-02 | Icera Inc | System and method of wireless communication |
US8340060B2 (en) * | 2008-03-03 | 2012-12-25 | Ntt Docomo, Inc. | OFDMA-based co-channel femtocell |
KR101499255B1 (ko) * | 2008-03-12 | 2015-03-06 | 엘지전자 주식회사 | 다중안테나 시스템에서 파일럿의 전송방법 |
US8233559B2 (en) * | 2008-03-12 | 2012-07-31 | Lg Electronics Inc. | Method and apparatus for transmitting a pilot in multi-antenna system |
US8565325B1 (en) | 2008-03-18 | 2013-10-22 | Marvell International Ltd. | Wireless device communication in the 60GHz band |
GB2459284A (en) * | 2008-04-17 | 2009-10-21 | Stephen George Nunney | MIMO spatial multiplexing system |
KR20090115829A (ko) * | 2008-05-04 | 2009-11-09 | 포스데이타 주식회사 | 무선통신 시스템에서의 채널 정보 전송 장치 및 방법 |
US8848816B2 (en) * | 2008-05-21 | 2014-09-30 | Qualcomm Incorporated | Method and apparatus for determining the spatial channels in a spatial division multiple access (SDMA)-based wireless communication system |
US8958408B1 (en) * | 2008-06-05 | 2015-02-17 | The Boeing Company | Coded aperture scanning |
US8295868B2 (en) * | 2008-06-09 | 2012-10-23 | Samsung Electronics Co., Ltd. | Downlink control information format for multiple codeword transmission |
CN102067659B (zh) * | 2008-06-23 | 2014-01-15 | 夏普株式会社 | 移动台装置、通信系统以及通信方法 |
KR101497154B1 (ko) * | 2008-06-26 | 2015-03-02 | 엘지전자 주식회사 | Sc-fdma 시스템에서 전송 다이버시티를 이용한 데이터 전송장치 및 방법 |
KR101567078B1 (ko) * | 2008-06-26 | 2015-11-09 | 엘지전자 주식회사 | 다중안테나를 이용한 데이터 전송장치 및 방법 |
KR101507170B1 (ko) * | 2008-06-26 | 2015-03-31 | 엘지전자 주식회사 | Sc-fdma 시스템에서 전송 다이버시티를 이용한 데이터 전송장치 및 방법 |
KR101534349B1 (ko) * | 2008-06-26 | 2015-07-10 | 엘지전자 주식회사 | Stbc 기법을 이용한 데이터 전송방법 |
KR101467586B1 (ko) * | 2008-06-26 | 2014-12-02 | 엘지전자 주식회사 | 무선통신 시스템에서 전송 다이버시티를 이용한 데이터 전송장치 및 방법 |
KR100912226B1 (ko) | 2008-06-27 | 2009-08-14 | 삼성전자주식회사 | 다중 입출력 시스템을 위한 코드북 설계 방법 및 상기 코드북의 사용 방법 |
US9325538B2 (en) * | 2008-07-03 | 2016-04-26 | Apple Inc. | Precoding in high-order MIMO |
US8320492B2 (en) * | 2008-07-07 | 2012-11-27 | Wi-Lan Inc. | Closed form singular value decomposition |
US20110122963A1 (en) * | 2008-07-07 | 2011-05-26 | Jun Yuan | Codebook restructure, differential encoding/decoding, and scheduling |
WO2010005997A2 (en) * | 2008-07-07 | 2010-01-14 | Wi-Lan, Inc. | Closed form singular value decomposition |
US8498342B1 (en) | 2008-07-29 | 2013-07-30 | Marvell International Ltd. | Deblocking filtering |
US8761261B1 (en) | 2008-07-29 | 2014-06-24 | Marvell International Ltd. | Encoding using motion vectors |
KR101056614B1 (ko) | 2008-07-30 | 2011-08-11 | 엘지전자 주식회사 | 다중안테나 시스템에서 데이터 전송방법 |
KR101027237B1 (ko) * | 2008-07-30 | 2011-04-06 | 엘지전자 주식회사 | 다중안테나 시스템에서 데이터 전송방법 |
KR20100013251A (ko) * | 2008-07-30 | 2010-02-09 | 엘지전자 주식회사 | 다중안테나 시스템에서 데이터 전송방법 |
US8249540B1 (en) | 2008-08-07 | 2012-08-21 | Hypres, Inc. | Two stage radio frequency interference cancellation system and method |
KR20100019929A (ko) * | 2008-08-11 | 2010-02-19 | 엘지전자 주식회사 | Sc-fdma mimo 코드북 설계 방법 |
EP3026840B1 (en) | 2008-08-11 | 2020-09-30 | LG Electronics, Inc. | Method and apparatus for transmitting uplink signals using multi-antenna |
KR101440628B1 (ko) | 2008-08-11 | 2014-09-17 | 엘지전자 주식회사 | Sc-fdma 시스템에서 전송 다이버시티를 이용한 데이터 전송장치 및 방법 |
KR20100019948A (ko) * | 2008-08-11 | 2010-02-19 | 엘지전자 주식회사 | 공간 다중화 기법을 이용한 데이터 전송방법 |
US8345533B1 (en) | 2008-08-18 | 2013-01-01 | Marvell International Ltd. | Frame synchronization techniques |
US8422469B2 (en) | 2008-08-29 | 2013-04-16 | Ntt Docomo, Inc. | Method for interference-minimizing resource block-size selection at a macrocell, a microcell and a femtocell |
US8089993B2 (en) * | 2008-09-09 | 2012-01-03 | Nec Laboratories America, Inc. | Sliceable router with packet over optical OFDM transmission |
US8396163B2 (en) * | 2008-09-18 | 2013-03-12 | Commonwealth Scientific And Industrial Research Organization | Vector quantization in wireless communication |
US8107550B2 (en) * | 2008-09-23 | 2012-01-31 | Alcatel Lucent | Methods for precoding signals for transmission in wireless MIMO system |
US9608780B2 (en) * | 2008-09-23 | 2017-03-28 | Qualcomm Incorporated | Transmit diversity for SC-FDMA |
US8681893B1 (en) | 2008-10-08 | 2014-03-25 | Marvell International Ltd. | Generating pulses using a look-up table |
US8644408B2 (en) | 2008-10-10 | 2014-02-04 | Qualcomm Incorporated | Method and apparatus for channel feedback in a wireless communication system |
US8310981B2 (en) * | 2008-10-22 | 2012-11-13 | Qualcomm Incorporated | Common and dedicated modulation and coding scheme for a multicarrier system |
US8902805B2 (en) * | 2008-10-24 | 2014-12-02 | Qualcomm Incorporated | Cell relay packet routing |
WO2010050383A1 (ja) * | 2008-10-31 | 2010-05-06 | シャープ株式会社 | 送信装置、受信装置および通信システム |
JP5291199B2 (ja) * | 2008-10-31 | 2013-09-18 | テレフオンアクチーボラゲット エル エム エリクソン(パブル) | チャネル利用反復的プリコーダ選択 |
KR101183658B1 (ko) * | 2008-12-19 | 2012-09-17 | 한국전자통신연구원 | 이산 퓨리에 변환의 고속 처리 장치 및 방법 |
CN101771446B (zh) * | 2008-12-29 | 2014-06-04 | 株式会社Ntt都科摩 | 一种多输入多输出信号处理方法、装置及系统 |
US8874046B2 (en) * | 2009-01-05 | 2014-10-28 | Intel Corporation | Techniques utilizing step size adaptation for differential beamforming in wireless networks |
KR101673497B1 (ko) | 2009-01-05 | 2016-11-07 | 마벨 월드 트레이드 리미티드 | Mimo 통신 시스템을 위한 프리코딩 코드북들 |
US8787183B2 (en) * | 2009-01-06 | 2014-07-22 | Qualcomm Incorporated | Method and apparatus for channel estimation using multiple description codes |
CN101771648B (zh) * | 2009-01-06 | 2018-03-23 | 中兴通讯股份有限公司 | 一种多天线信号处理系统及方法 |
CN101783700B (zh) * | 2009-01-21 | 2013-03-27 | 电信科学技术研究院 | 对上行数据传输的指示方法、上行数据传输方法及装置 |
CN101820405B (zh) * | 2009-02-27 | 2013-11-06 | 富士通株式会社 | 多输入多输出合作通信方法、预编码装置和无线通信系统 |
US8654740B2 (en) | 2009-03-03 | 2014-02-18 | Intel Corporation | Polar cap reset method for differential codebook for wireless communications |
US8830918B2 (en) * | 2009-03-16 | 2014-09-09 | Interdigital Patent Holdings, Inc. | Method and apparatus for performing uplink transmit diversity |
WO2010105700A1 (en) * | 2009-03-19 | 2010-09-23 | Telefonaktiebolaget L M Ericsson (Publ) | Mimo transceiver controlling a repeater according to performance parameters |
US8773969B1 (en) | 2009-03-24 | 2014-07-08 | Marvell International Ltd. | Multi-radio device for WLAN |
US9226270B1 (en) * | 2009-03-24 | 2015-12-29 | Marvell International Ltd. | Multi-radio device for WLAN |
US10411846B1 (en) * | 2009-03-24 | 2019-09-10 | Marvell International Ltd. | Multi-radio device for WLAN |
US8520771B1 (en) | 2009-04-29 | 2013-08-27 | Marvell International Ltd. | WCDMA modulation |
CN102460996B (zh) * | 2009-04-29 | 2014-08-20 | 英特尔公司 | 用于闭环mimo射束形成的差分反馈方法和装置 |
CN102077627B (zh) * | 2009-04-30 | 2013-03-27 | 华为技术有限公司 | 一种上行信号的处理方法、基站和用户终端 |
JP2011004161A (ja) * | 2009-06-18 | 2011-01-06 | Sharp Corp | 通信システム、通信装置および通信方法 |
US8848603B2 (en) * | 2009-06-22 | 2014-09-30 | Qualcomm Incorporated | Precoding control channels in wireless networks |
US8675794B1 (en) * | 2009-10-13 | 2014-03-18 | Marvell International Ltd. | Efficient estimation of feedback for modulation and coding scheme (MCS) selection |
US8917796B1 (en) | 2009-10-19 | 2014-12-23 | Marvell International Ltd. | Transmission-mode-aware rate matching in MIMO signal generation |
KR101652869B1 (ko) | 2009-11-02 | 2016-09-01 | 삼성전자주식회사 | 네트워크 다중 입출력 시스템에서 협력 멀티 포인트 송신을 위한 동적 채널 피드백 제어 방법 |
US8880373B2 (en) * | 2009-11-04 | 2014-11-04 | Qualcomm Incorporated | Accurate magnetic compass in mobile electronic device |
US8645093B2 (en) * | 2009-11-04 | 2014-02-04 | Qualcomm Incorporated | Calibrating multi-dimensional sensor for offset, sensitivity, and non-orthogonality |
EP2499862B1 (en) | 2009-11-09 | 2018-09-05 | Marvell World Trade Ltd. | Asymmetrical feedback for coordinated transmission systems |
JP5637486B2 (ja) * | 2009-12-17 | 2014-12-10 | マーベル ワールド トレード リミテッド | 交差偏波アンテナ用のmimoフィードバックスキーム |
US8755455B2 (en) | 2010-01-12 | 2014-06-17 | Quantenna Communications Inc. | Quality of service and rate selection |
CN102474319B (zh) * | 2010-01-13 | 2014-03-05 | 上海贝尔股份有限公司 | 在网络设备中生成反馈码书的方法及装置 |
JP5258002B2 (ja) | 2010-02-10 | 2013-08-07 | マーベル ワールド トレード リミテッド | Mimo通信システムにおける装置、移動通信端末、チップセット、およびその方法 |
KR101707022B1 (ko) * | 2010-02-11 | 2017-02-15 | 삼성전자주식회사 | 여러 피드백 모드들을 지원하는 통합된 피드백 프레임 및 그 피드백 프레임을 이용하는 다중 입출력 통신 시스템 |
CN102201886B (zh) | 2010-03-22 | 2014-03-12 | 中兴通讯股份有限公司 | 闭环多输入多输出系统中预编码矩阵的选取方法和系统 |
KR101192041B1 (ko) | 2010-04-06 | 2012-10-17 | 서울대학교산학협력단 | 다중안테나 무선 시스템에서 채널 정보의 차등적 양자화 방법 및 장치 |
GB2479377B (en) * | 2010-04-07 | 2013-08-14 | Toshiba Res Europ Ltd | Dual indicator scheme for channel state information feedback |
WO2011162520A2 (ko) | 2010-06-22 | 2011-12-29 | 엘지전자 주식회사 | 채널 상태 정보 전송 방법 및 장치 |
US8989240B2 (en) * | 2010-06-23 | 2015-03-24 | Koninklijke Philips N.V. | Method for operating a secondary station |
US8817771B1 (en) | 2010-07-16 | 2014-08-26 | Marvell International Ltd. | Method and apparatus for detecting a boundary of a data frame in a communication network |
KR20120009649A (ko) * | 2010-07-20 | 2012-02-02 | 삼성전자주식회사 | 다중 사용자 다중안테나 시스템에서 채널 직교화를 이용한 선처리 방법 및 장치 |
KR101792510B1 (ko) * | 2010-07-27 | 2017-11-02 | 엘지전자 주식회사 | 다중 노드 시스템에서 기지국이 노드를 반정적으로 단말에 할당하는 방법 및 장치 |
US8446971B2 (en) * | 2010-08-23 | 2013-05-21 | Intel Corporation | Communication station and method for efficiently providing channel feedback for MIMO communications |
US9118364B2 (en) * | 2010-10-06 | 2015-08-25 | Broadcom Corporation | Differential feedback within single user, multiple user, multiple access, and/or MIMO wireless communications |
JP5578617B2 (ja) | 2010-10-18 | 2014-08-27 | パナソニック インテレクチュアル プロパティ コーポレーション オブ アメリカ | 送信方法、送信装置、受信方法および受信装置 |
WO2012093899A2 (ko) * | 2011-01-06 | 2012-07-12 | 엘지전자 주식회사 | 데이터 통신을 위한 신호 변조 방법 및 그 장치 |
US9048970B1 (en) | 2011-01-14 | 2015-06-02 | Marvell International Ltd. | Feedback for cooperative multipoint transmission systems |
TW201234793A (en) | 2011-02-11 | 2012-08-16 | Interdigital Patent Holdings | Method and apparatus for closed loop transmit diversity transmission initial access |
EP2692068B1 (en) | 2011-03-31 | 2019-06-19 | Marvell World Trade Ltd. | Channel feedback for cooperative multipoint transmission |
WO2012170530A1 (en) * | 2011-06-07 | 2012-12-13 | Marvel World Trade Ltd. | Systems and methods for compressed feedback and subcarrier grouping for beamforming |
US9541393B2 (en) | 2011-06-30 | 2017-01-10 | Qualcomm Incorporated | Reducing power consumption or error of digital compass |
US8891656B2 (en) * | 2011-10-27 | 2014-11-18 | Ntt Docomo, Inc. | Low-complexity, rank extendable, codebook design and method for supporting precoding matrix feedback for multi-user and single-user MIMO systems |
WO2013068916A1 (en) | 2011-11-07 | 2013-05-16 | Marvell World Trade Ltd. | Codebook sub-sampling for frequency-selective precoding feedback |
US9020058B2 (en) | 2011-11-07 | 2015-04-28 | Marvell World Trade Ltd. | Precoding feedback for cross-polarized antennas based on signal-component magnitude difference |
US9031597B2 (en) | 2011-11-10 | 2015-05-12 | Marvell World Trade Ltd. | Differential CQI encoding for cooperative multipoint feedback |
US9220087B1 (en) | 2011-12-08 | 2015-12-22 | Marvell International Ltd. | Dynamic point selection with combined PUCCH/PUSCH feedback |
US9178590B2 (en) | 2011-12-27 | 2015-11-03 | Industrial Technology Research Institute | Channel information feedback method and wireless communication device using the same |
FR2985397A1 (fr) * | 2012-01-03 | 2013-07-05 | France Telecom | Procede de pre-codage en tdd |
US8902842B1 (en) | 2012-01-11 | 2014-12-02 | Marvell International Ltd | Control signaling and resource mapping for coordinated transmission |
KR101297578B1 (ko) * | 2012-03-23 | 2013-08-19 | 주식회사 이노와이어리스 | Lte 업링크 전송을 위한 프리코딩 장치 및 방법 |
US9344162B2 (en) * | 2012-04-27 | 2016-05-17 | The Board Of Trustees Of The Leland Stanford Junior University | Exploiting spatial degrees of freedom in multiple input multiple output (MIMO) radio systems |
KR20150009980A (ko) | 2012-04-27 | 2015-01-27 | 마벨 월드 트레이드 리미티드 | 기지국들과 모바일 통신 단말기들 사이의 CoMP 통신 |
CN103220093B (zh) * | 2013-03-15 | 2016-05-11 | 国核电力规划设计研究院 | 一种控制输出信号的方法和装置 |
US20150043444A1 (en) * | 2013-08-12 | 2015-02-12 | Acer Incorporated | Concurrent device to device and cellular communication method with multiple antennas, user equipment using the same, base station using the same and communication system using the same |
EP3138211A4 (en) * | 2014-04-27 | 2018-01-10 | LG Electronics Inc. | Method of generating transmission signal using preprocessing filter of mimo transmitter |
EP3182610B1 (en) | 2014-10-17 | 2019-09-11 | Huawei Technologies Co., Ltd. | Wireless communication method and system |
CN106922212B (zh) | 2014-11-14 | 2020-04-21 | 华为技术有限公司 | 基于ofmda的wlan系统中的交织处理方法和设备 |
US9635574B2 (en) * | 2014-11-19 | 2017-04-25 | Intel IP Corporation | Systems and methods for signaling in an increased carrier monitoring wireless communication environment |
WO2016117982A2 (ko) * | 2015-01-23 | 2016-07-28 | 엘지전자 주식회사 | 무선 통신 시스템에서 장치 대 장치 통신 단말의 신호 생성 방법 및 장치 |
CN106712826B (zh) | 2015-11-13 | 2020-09-04 | 华为技术有限公司 | 数据传输方法和装置 |
US10637548B2 (en) | 2016-07-07 | 2020-04-28 | Bar-Ilan University | System and method for reduced overhead feedback scheme for interference mitigation in cellular networks |
US10700904B2 (en) * | 2016-09-16 | 2020-06-30 | Huawei Technologies Co., Ltd. | Systems and methods for the coexistence of differing cyclic prefix lengths |
US10401475B2 (en) * | 2016-12-06 | 2019-09-03 | GM Global Technology Operations LLC | Multiple modulation element radar waveform generation |
US10171144B2 (en) | 2017-03-24 | 2019-01-01 | At&T Intellectual Property I, L.P. | Low complexity high performance single codeword MIMO for 5G wireless communication systems |
US20190044666A1 (en) * | 2017-08-03 | 2019-02-07 | Asustek Computer Inc. | Method and apparatus for handling hybrid automatic repeat request (harq) feedback for multiple transmission/reception points (trp) in a wireless communication system |
US10594380B1 (en) * | 2018-09-28 | 2020-03-17 | At&T Intellectual Property I, L.P. | Channel state information determination using demodulation reference signals in advanced networks |
US11190244B1 (en) | 2020-07-31 | 2021-11-30 | Samsung Electronics Co., Ltd. | Low complexity algorithms for precoding matrix calculation |
KR102287791B1 (ko) * | 2021-04-30 | 2021-08-09 | 세종대학교산학협력단 | 대용량 하향링크 MIMO 시스템을 위한 향상된 Jacobi 프리코더 |
WO2023092339A1 (en) * | 2021-11-24 | 2023-06-01 | Huawei Technologies Co.,Ltd. | Devices, methods and computer programs for two-part feedback information transmission |
Family Cites Families (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100689398B1 (ko) * | 1999-10-09 | 2007-03-08 | 삼성전자주식회사 | 이동통신시스템에서 폐루프 송신 안테나 다이버시티 장치 및 방법 |
FI107307B (fi) * | 2000-01-18 | 2001-06-29 | Tellabs Oy | Menetelmä ja laitteisto kanavakorjauksen tekemiseksi digitaalisella tietoliikenneyhteydellä |
US6792049B1 (en) * | 2000-06-15 | 2004-09-14 | Mitsubishi Electric Research Laboratories, Inc. | Digital transceiver system with adaptive channel pre-coding in an asymmetrical communications network |
KR20020067615A (ko) * | 2000-11-21 | 2002-08-22 | 코닌클리케 필립스 일렉트로닉스 엔.브이. | 재동기 목적을 위한 불량 프레임 표시기를 갖는 통신 시스템 |
US6771706B2 (en) * | 2001-03-23 | 2004-08-03 | Qualcomm Incorporated | Method and apparatus for utilizing channel state information in a wireless communication system |
KR100724847B1 (ko) | 2001-05-09 | 2007-06-04 | 삼성전자주식회사 | 부호분할다중접속 이동통신시스템에서 부호화 및 복호화장치 및 방법 |
US20030125040A1 (en) * | 2001-11-06 | 2003-07-03 | Walton Jay R. | Multiple-access multiple-input multiple-output (MIMO) communication system |
US20050286663A1 (en) * | 2004-06-23 | 2005-12-29 | Intel Corporation | Compact feedback for closed loop MIMO systems |
US7570696B2 (en) * | 2004-06-25 | 2009-08-04 | Intel Corporation | Multiple input multiple output multicarrier communication system and methods with quantized beamforming feedback |
KR100932487B1 (ko) * | 2004-11-03 | 2009-12-17 | 엘지전자 주식회사 | 광대역 무선 접속 시스템에 있어서, 다중 입출력 시스템을위한 피드백 정보 전송 방법 |
US20080260053A1 (en) * | 2004-11-04 | 2008-10-23 | Samsung Electronics Co., Ltd. | Apparatus and method for transmitting and receiving data using space-time block coding |
TWI407320B (zh) * | 2004-11-15 | 2013-09-01 | Qualcomm Inc | 用於以jacobi旋轉分解矩陣之裝置及方法 |
US7711762B2 (en) * | 2004-11-15 | 2010-05-04 | Qualcomm Incorporated | Efficient computation for eigenvalue decomposition and singular value decomposition of matrices |
KR100895992B1 (ko) * | 2005-09-16 | 2009-05-07 | 삼성전자주식회사 | 다중 안테나를 사용하는 무선통신시스템에서 안테나 개수를확장하기 위한 장치 및 방법 |
CN100340077C (zh) * | 2005-11-29 | 2007-09-26 | 东南大学 | 多天线无线传输系统中信道环境自适应传输方法 |
WO2007106366A2 (en) * | 2006-03-10 | 2007-09-20 | Interdigital Technology Corporation | Method and apparatus for scaling soft bits for decoding |
CN101444057B (zh) * | 2006-03-17 | 2013-04-24 | 北电网络有限公司 | 发射和接收mimo信号的系统和方法 |
US10044532B2 (en) * | 2006-03-20 | 2018-08-07 | Texas Instruments Incorporated | Pre-coder selection based on resource block grouping |
US8271043B2 (en) * | 2006-08-21 | 2012-09-18 | Qualcomm Incorporated | Approach to a unified SU-MIMO/MU-MIMO operation |
-
2007
- 2007-08-15 WO PCT/US2007/018064 patent/WO2008021396A2/en active Application Filing
- 2007-08-15 JP JP2009524672A patent/JP5420407B2/ja not_active Expired - Fee Related
- 2007-08-15 HU HUE12152478A patent/HUE038842T2/hu unknown
- 2007-08-15 CA CA2660945A patent/CA2660945C/en not_active Expired - Fee Related
- 2007-08-15 AU AU2007284477A patent/AU2007284477B2/en not_active Ceased
- 2007-08-15 CN CN201410210349.8A patent/CN103986556B/zh active Active
- 2007-08-15 TW TW096130244A patent/TWI479822B/zh not_active IP Right Cessation
- 2007-08-15 RU RU2009109419/09A patent/RU2407158C1/ru active
- 2007-08-15 EP EP12152478.9A patent/EP2448145B1/en active Active
- 2007-08-15 KR KR1020097011907A patent/KR101325370B1/ko active IP Right Grant
- 2007-08-15 BR BRPI0714537-3A patent/BRPI0714537A2/pt not_active Application Discontinuation
- 2007-08-15 MY MYPI20090583A patent/MY157698A/en unknown
- 2007-08-15 CN CN200780030614.2A patent/CN101512929B/zh active Active
- 2007-08-15 EP EP07811350A patent/EP2060020A2/en not_active Ceased
- 2007-08-15 MX MX2009001761A patent/MX2009001761A/es active IP Right Grant
- 2007-08-15 KR KR1020097005482A patent/KR101066151B1/ko active IP Right Grant
- 2007-08-15 KR KR1020127021375A patent/KR101325434B1/ko active IP Right Grant
- 2007-08-15 ES ES12152478.9T patent/ES2672397T3/es active Active
- 2007-08-17 US US11/840,328 patent/US7881247B2/en active Active
- 2007-08-17 AR ARP070103661A patent/AR062414A1/es not_active Application Discontinuation
-
2009
- 2009-02-17 IL IL197082A patent/IL197082A/en not_active IP Right Cessation
-
2010
- 2010-01-20 HK HK10100600.0A patent/HK1133495A1/zh not_active IP Right Cessation
-
2014
- 2014-06-22 IL IL233294A patent/IL233294A/en active IP Right Grant
Cited By (33)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8553799B2 (en) | 2009-09-30 | 2013-10-08 | Huawei Technologies Co., Ltd. | Method and apparatus for obtaining precoding matrix indicator |
WO2011038697A1 (zh) * | 2009-09-30 | 2011-04-07 | 华为技术有限公司 | 一种获取预编码矩阵指示的方法和装置 |
CN102111197B (zh) * | 2009-12-28 | 2014-03-12 | 电信科学技术研究院 | 预编码矩阵索引信息上报方法和设备 |
US9350432B2 (en) | 2010-01-16 | 2016-05-24 | Huawei Technologies Co., Ltd. | Method and apparatus for acquiring a precoding matrix indicator and a precoding matrix |
CN103248457B (zh) * | 2010-01-16 | 2016-12-07 | 华为技术有限公司 | 获取预编码矩阵指示以及预编码矩阵的方法和装置 |
CN103220087B (zh) * | 2010-01-16 | 2017-06-06 | 华为技术有限公司 | 获取预编码矩阵指示以及预编码矩阵的方法和装置 |
CN102130752A (zh) * | 2010-01-16 | 2011-07-20 | 华为技术有限公司 | 获取预编码矩阵指示以及预编码矩阵的方法和装置 |
US9054754B2 (en) | 2010-01-16 | 2015-06-09 | Huawei Technologies Co., Ltd. | Method and apparatus for acquiring a precoding matrix indicator and a precoding matrix |
US8848768B2 (en) | 2010-01-16 | 2014-09-30 | Huawei Technologies Co., Ltd. | Method and apparatus for acquiring a precoding matrix indicator and a precoding matrix |
CN102130752B (zh) * | 2010-01-16 | 2013-04-24 | 华为技术有限公司 | 获取预编码矩阵指示以及预编码矩阵的方法和装置 |
CN103220087A (zh) * | 2010-01-16 | 2013-07-24 | 华为技术有限公司 | 获取预编码矩阵指示以及预编码矩阵的方法和装置 |
CN103248457A (zh) * | 2010-01-16 | 2013-08-14 | 华为技术有限公司 | 获取预编码矩阵指示以及预编码矩阵的方法和装置 |
WO2011085695A1 (zh) * | 2010-01-16 | 2011-07-21 | 华为技术有限公司 | 获取预编码矩阵指示以及预编码矩阵的方法和装置 |
US8625711B2 (en) | 2010-01-16 | 2014-01-07 | Huawei Technologies Co., Ltd. | Method and apparatus for acquiring a Precoding Matrix Indicator and a Precoding Matrix |
US8989292B2 (en) | 2010-04-07 | 2015-03-24 | Alcatel Lucent | Transformation apparatus and method |
WO2011124023A1 (zh) * | 2010-04-07 | 2011-10-13 | 上海贝尔股份有限公司 | 转换装置和方法 |
CN102725992A (zh) * | 2010-04-07 | 2012-10-10 | 上海贝尔股份有限公司 | 转换装置和方法 |
CN102725992B (zh) * | 2010-04-07 | 2016-03-23 | 上海贝尔股份有限公司 | 转换装置和方法 |
CN103004104B (zh) * | 2010-06-03 | 2015-06-03 | 数码士控股有限公司 | 差分预编码方法和支持该方法的基站 |
CN103004104A (zh) * | 2010-06-03 | 2013-03-27 | 数码士有限公司 | 差分预编码方法和支持该方法的基站 |
CN102447499A (zh) * | 2010-10-06 | 2012-05-09 | 马维尔国际贸易有限公司 | 用于pucch反馈的码本子采样 |
CN102752071B (zh) * | 2011-04-20 | 2015-12-16 | 上海交通大学 | 用于多点协作系统的下行链路预编码方法和中心处理节点 |
CN102752071A (zh) * | 2011-04-20 | 2012-10-24 | 上海交通大学 | 用于多点协作系统的下行链路预编码方法和中心处理节点 |
CN102957496A (zh) * | 2011-08-19 | 2013-03-06 | 中兴通讯股份有限公司 | 一种实现码本重排的方法和系统 |
CN103634065A (zh) * | 2012-08-24 | 2014-03-12 | 意法半导体(R&D)有限公司 | Cdma信号的生成和处理 |
CN103634065B (zh) * | 2012-08-24 | 2018-01-26 | 意法半导体(R&D)有限公司 | Cdma信号的生成和处理 |
US10069547B2 (en) | 2014-04-02 | 2018-09-04 | Huawei Technologies Co., Ltd. | Beamforming based communications method and apparatus |
CN105323036A (zh) * | 2014-08-01 | 2016-02-10 | 中国移动通信集团公司 | 对复矩阵进行奇异值分解的方法、装置及计算设备 |
CN105323037A (zh) * | 2014-08-01 | 2016-02-10 | 中国移动通信集团公司 | 根据复矩阵进行预编码的方法及装置 |
CN106788464A (zh) * | 2016-12-12 | 2017-05-31 | 中国科学院上海高等研究院 | 一种15线转4线编码电路 |
CN106788464B (zh) * | 2016-12-12 | 2020-08-11 | 中国科学院上海高等研究院 | 一种15线转4线编码电路 |
CN109784282A (zh) * | 2019-01-18 | 2019-05-21 | 重庆邮电大学 | 基于信号相干特征的被动式人员运动检测与追踪方法 |
US11621750B2 (en) * | 2021-06-29 | 2023-04-04 | Qualcomm Incorporated | Demodulator report for smart receiver power optimization |
Also Published As
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN101512929B (zh) | 用于在mimo无线通信系统中提供有效预编码反馈的方法和设备 | |
US8582680B2 (en) | MIMO codebook generation | |
CN201045756Y (zh) | 利用不对等调制和编码方案实现空时处理的发射机和接收机 | |
KR101356508B1 (ko) | 무선 통신 시스템에서의 데이터 전송 방법 | |
EP2158694B1 (en) | Method and apparatus for feedback in closed loop transmitting | |
CN102484501B (zh) | 使用公共导频和专用导频进行传输 | |
CN101379748A (zh) | 在多输入多输出单载波频分多址系统中用于执行上行链路传输的方法和设备 | |
CN101682453A (zh) | 用于开环su mimo的cdd预编码 | |
Salim et al. | Combining training and quantized feedback in multiantenna reciprocal channels | |
KR101100116B1 (ko) | 송신 안테나 개수를 이용하여 프리코딩을 수행하는 개루프 통신 시스템의 송신 장치 및 방법 | |
AU2013270616B2 (en) | Method and apparatus for providing efficient precoding feedback in a MIMO wireless communication system | |
KR101599532B1 (ko) | Mimo 코드북 생성 방법 및 장치 | |
KR20100097412A (ko) | 다중 안테나 시스템에서 프리코딩 기법을 이용한 데이터 전송장치 및 방법 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
REG | Reference to a national code |
Ref country code: HK Ref legal event code: DE Ref document number: 1133495 Country of ref document: HK |
|
ASS | Succession or assignment of patent right |
Owner name: INTEL CORPORATION Free format text: FORMER OWNER: INTERDIGITAL TECHNOLOGY CORP. Effective date: 20121220 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20121220 Address after: American California Applicant after: Intel Corporation Address before: Delaware Applicant before: Interdigital Technology Corp. |
|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
REG | Reference to a national code |
Ref country code: HK Ref legal event code: GR Ref document number: 1133495 Country of ref document: HK |
|
TR01 | Transfer of patent right |
Effective date of registration: 20200331 Address after: California, USA Patentee after: Apple Inc. Address before: California, USA Patentee before: INTEL Corp. |
|
TR01 | Transfer of patent right |