HK1122915A1 - Method and system for processing communication signals in delta quantizer - Google Patents
Method and system for processing communication signals in delta quantizerInfo
- Publication number
- HK1122915A1 HK1122915A1 HK08114126.0A HK08114126A HK1122915A1 HK 1122915 A1 HK1122915 A1 HK 1122915A1 HK 08114126 A HK08114126 A HK 08114126A HK 1122915 A1 HK1122915 A1 HK 1122915A1
- Authority
- HK
- Hong Kong
- Prior art keywords
- state information
- channel state
- matrices
- matrix
- communication signals
- Prior art date
Links
Classifications
-
- 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
- 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
-
- 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
- H04B7/0658—Feedback reduction
- H04B7/0663—Feedback reduction using vector or matrix manipulations
-
- 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
-
- 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
- H04L25/0204—Channel estimation of multiple channels
-
- 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
- H04L25/024—Channel estimation channel estimation algorithms
- H04L25/0242—Channel estimation channel estimation algorithms using matrix methods
- H04L25/0248—Eigen-space methods
-
- 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
-
- 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
-
- 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
- H04L2025/03592—Adaptation methods
- H04L2025/03598—Algorithms
- H04L2025/03681—Control of adaptation
- H04L2025/03687—Control of adaptation of step size
-
- 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
- H04L2025/03592—Adaptation methods
- H04L2025/03598—Algorithms
- H04L2025/03681—Control of adaptation
- H04L2025/037—Detection of convergence state
-
- 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
- H04L2025/03777—Arrangements for removing intersymbol interference characterised by the signalling
- H04L2025/03802—Signalling on the reverse channel
- H04L2025/03808—Transmission of equaliser coefficients
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- Power Engineering (AREA)
- Radio Transmission System (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US88413307P | 2007-01-09 | 2007-01-09 | |
US88411307P | 2007-01-09 | 2007-01-09 | |
US88413207P | 2007-01-09 | 2007-01-09 | |
US88411807P | 2007-01-09 | 2007-01-09 | |
US11/767,108 US7961775B2 (en) | 2007-01-09 | 2007-06-22 | Method and system for a delta quantizer for MIMO pre-coders with finite rate channel state information feedback |
Publications (1)
Publication Number | Publication Date |
---|---|
HK1122915A1 true HK1122915A1 (en) | 2009-05-29 |
Family
ID=39219608
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
HK08114126.0A HK1122915A1 (en) | 2007-01-09 | 2008-12-31 | Method and system for processing communication signals in delta quantizer |
Country Status (6)
Country | Link |
---|---|
US (2) | US7961775B2 (ko) |
EP (1) | EP1944933A3 (ko) |
KR (1) | KR100947214B1 (ko) |
CN (1) | CN101232317B (ko) |
HK (1) | HK1122915A1 (ko) |
TW (1) | TWI474687B (ko) |
Families Citing this family (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20060028989A (ko) * | 2004-09-30 | 2006-04-04 | 엘지전자 주식회사 | 다중입출력 시스템에 적용되는 신호 처리 방법 |
KR101431234B1 (ko) | 2006-08-09 | 2014-08-21 | 코닌클리케 필립스 엔.브이. | 무선 통신국 및 무선 통신 디바이스, 이들을 동작시키는 방법 |
US7894506B2 (en) * | 2007-01-09 | 2011-02-22 | Broadcom Corp. | Method and system for a delta quantizer for MIMO pre-coders with finite rate channel state information feedback |
US7983322B2 (en) * | 2007-01-09 | 2011-07-19 | Broadcom Corporation | Method and system for codebook design of MIMO pre-coders with finite rate channel state information feedback |
US8090048B2 (en) | 2007-02-12 | 2012-01-03 | Broadcom Corporation | Method and system for an alternating channel delta quantizer for MIMO pre-coders with finite rate channel state information feedback |
US8090049B2 (en) * | 2007-02-12 | 2012-01-03 | Broadcom Corporation | Method and system for an alternating delta quantizer for limited feedback MIMO pre-coders |
EP2316174B1 (en) | 2008-08-14 | 2013-10-16 | Electronics and Telecommunications Research Institute | Method to generate beamforming vector and provide the information for generating beamforming vector |
US8401104B2 (en) * | 2008-10-20 | 2013-03-19 | Samsung Electronics Co., Ltd. | Codebook design method for multiple input multiple output system and method for using the codebook |
US8874046B2 (en) * | 2009-01-05 | 2014-10-28 | Intel Corporation | Techniques utilizing step size adaptation for differential beamforming in wireless networks |
CN101877609B (zh) * | 2009-04-30 | 2013-06-12 | 富士通株式会社 | 通信装置、基站和多点合作通信方法 |
CN102598523B (zh) * | 2009-09-04 | 2014-12-17 | 株式会社日立制作所 | 在多用户多输入多输出无线传输***中利用额外的接收机处理的Tomlinson Harashima 预编码 |
WO2011050628A1 (zh) * | 2009-11-02 | 2011-05-05 | 富士通株式会社 | 预编码矩阵码书生成方法、预编码矩阵选择方法及装置 |
US8761086B2 (en) * | 2009-11-02 | 2014-06-24 | Qualcomm Incorporated | Method and apparatus for hierarchical codebook design in wireless communication |
CN102438322B (zh) * | 2011-12-16 | 2014-03-26 | 华为技术有限公司 | 资源调度方法及相关设备 |
US9178590B2 (en) | 2011-12-27 | 2015-11-03 | Industrial Technology Research Institute | Channel information feedback method and wireless communication device using the same |
US8792538B2 (en) * | 2012-01-17 | 2014-07-29 | Huawei Technologies Co., Ltd. | Method and apparatus for transmitting data using codebook |
US8885752B2 (en) * | 2012-07-27 | 2014-11-11 | Intel Corporation | Method and apparatus for feedback in 3D MIMO wireless systems |
US9787376B2 (en) | 2014-01-06 | 2017-10-10 | Intel IP Corporation | Systems, methods, and devices for hybrid full-dimensional multiple-input multiple-output |
EP2983123A1 (en) * | 2014-07-17 | 2016-02-10 | Deutsche Telekom AG | Self transfer learning recommendation method and system |
CN105515730B (zh) * | 2014-09-22 | 2018-07-10 | 中兴通讯股份有限公司 | 信道信息的反馈方法、装置及*** |
US10090897B2 (en) | 2016-04-15 | 2018-10-02 | National Chiao Tung University | Communication system and channel estimating method thereof |
KR102383100B1 (ko) | 2017-09-25 | 2022-04-05 | 삼성전자주식회사 | 적응적인 빔포밍을 위한 무선 통신 장치 및 이의 동작 방법 |
US10516452B1 (en) * | 2018-06-08 | 2019-12-24 | University Of South Florida | Using artificial signals to maximize capacity and secrecy of multiple-input multiple-output (MIMO) communication |
US10644771B2 (en) * | 2018-06-08 | 2020-05-05 | University Of South Florida | Using artificial signals to maximize capacity and secrecy of multiple-input multiple-output (MIMO) communication |
US10892807B2 (en) * | 2018-06-27 | 2021-01-12 | Qualcomm Incorporated | Codebook adaptation |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100316777B1 (ko) * | 1999-08-24 | 2001-12-12 | 윤종용 | 차세대 이동 통신 시스템에서의 폐쇄 루프 전송 안테나 다이버시티 방법 및 이를 위한 기지국 장치 및 이동국 장치 |
US7676007B1 (en) * | 2004-07-21 | 2010-03-09 | Jihoon Choi | System and method for interpolation based transmit beamforming for MIMO-OFDM with partial feedback |
US20060039489A1 (en) | 2004-08-17 | 2006-02-23 | Texas Instruments Incorporated | Method and apparatus for providing closed-loop transmit precoding |
US7362822B2 (en) * | 2004-09-08 | 2008-04-22 | Intel Corporation | Recursive reduction of channel state feedback |
US7539253B2 (en) * | 2004-09-10 | 2009-05-26 | Intel Corporation | Interpolation in channel state feedback |
WO2006052890A1 (en) * | 2004-11-05 | 2006-05-18 | University Of Florida Research Foundation, Inc. | Uniform channel decomposition for mimo communications |
US7778826B2 (en) * | 2005-01-13 | 2010-08-17 | Intel Corporation | Beamforming codebook generation system and associated methods |
US8385433B2 (en) * | 2005-10-27 | 2013-02-26 | Qualcomm Incorporated | Linear precoding for spatially correlated channels |
KR100659725B1 (ko) * | 2005-12-09 | 2006-12-19 | 한국전자통신연구원 | 다중 안테나 시스템의 송신 장치 및 방법과, 수신 장치 및방법 |
US7702029B2 (en) * | 2006-10-02 | 2010-04-20 | Freescale Semiconductor, Inc. | MIMO precoding enabling spatial multiplexing, power allocation and adaptive modulation and coding |
US8059733B2 (en) * | 2006-12-20 | 2011-11-15 | Nec Laboratories America, Inc. | Multi-user downlink linear MIMO precoding systems |
US7983322B2 (en) * | 2007-01-09 | 2011-07-19 | Broadcom Corporation | Method and system for codebook design of MIMO pre-coders with finite rate channel state information feedback |
US8090049B2 (en) * | 2007-02-12 | 2012-01-03 | Broadcom Corporation | Method and system for an alternating delta quantizer for limited feedback MIMO pre-coders |
US20080192852A1 (en) * | 2007-02-12 | 2008-08-14 | Mark Kent | Method and system for an alternating channel delta quantizer for 2x2 mimo pre-coders with finite rate channel state information feedback |
US7769098B2 (en) * | 2007-06-05 | 2010-08-03 | Texas Instruments Incorporated | Low complexity precoding matrix selection |
KR101402242B1 (ko) * | 2008-04-16 | 2014-06-02 | 삼성전자주식회사 | 복합 분할 복신 기반의 다중 입출력 무선통신 시스템에서빔포밍 장치 및 방법 |
US8432990B2 (en) * | 2008-10-14 | 2013-04-30 | Futurewei Technologies, Inc. | System and method for employing a six-bit rank 1 codebook for four transmit antennas |
-
2007
- 2007-06-22 US US11/767,108 patent/US7961775B2/en not_active Expired - Fee Related
- 2007-11-14 EP EP07022130A patent/EP1944933A3/en not_active Withdrawn
-
2008
- 2008-01-09 KR KR1020080002714A patent/KR100947214B1/ko not_active IP Right Cessation
- 2008-01-09 CN CN2008100021835A patent/CN101232317B/zh active Active
- 2008-01-09 TW TW97100826A patent/TWI474687B/zh active
- 2008-12-31 HK HK08114126.0A patent/HK1122915A1/xx not_active IP Right Cessation
-
2011
- 2011-05-06 US US13/102,946 patent/US8155169B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US8155169B2 (en) | 2012-04-10 |
KR100947214B1 (ko) | 2010-03-11 |
TWI474687B (zh) | 2015-02-21 |
TW200845665A (en) | 2008-11-16 |
US20080165869A1 (en) | 2008-07-10 |
KR20080065565A (ko) | 2008-07-14 |
US20110211656A1 (en) | 2011-09-01 |
EP1944933A2 (en) | 2008-07-16 |
CN101232317A (zh) | 2008-07-30 |
EP1944933A3 (en) | 2011-10-19 |
US7961775B2 (en) | 2011-06-14 |
CN101232317B (zh) | 2013-03-20 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
HK1122915A1 (en) | Method and system for processing communication signals in delta quantizer | |
EP1956780A3 (en) | Signalling for precoding | |
EP1944883A3 (en) | Method and system for codebook design of MIMO pre-coders with finite rate channel state information feedback | |
EP1956730A3 (en) | Method and system for an alternating channel delta quantizer for 2X2 MIMO pre-coders with finite rate channel state information feedback | |
WO2006023832A3 (en) | Method and apparatus for providing closed-loop transmit precoding | |
WO2010056008A3 (ko) | 다중입력다중출력 시스템에서 신호 전송 방법 및 신호 수신 방법 | |
EP2145400A4 (en) | METHOD AND ARRANGEMENT FOR ADAPTING A MULTI-ANTENNA TRANSMISSION | |
DK1408637T3 (da) | Indretning til overførsel af DVB/MPEG-signaler med adaptiv kodning og modulation | |
WO2007133564A3 (en) | Codebook precoding with variable feedback | |
WO2007051208A3 (en) | Unitary precoding based on randomized fft matrices | |
WO2007066307A8 (en) | Multiple spatial channel transmission with rate control | |
WO2007066936A3 (en) | Transmitting apparatus and method, and receiving apparatus and method in multiple antenna system | |
WO2008024773A3 (en) | Approach to a unified su-mimo/mu-mimo operation | |
WO2006076583A3 (en) | Rate adaptation using semi-open loop technique | |
TW200635256A (en) | Efficient computation of spatial filter matrices for steering transmit diversity in a MIMO communication system | |
WO2005029273A3 (en) | Method and system for controlling video media | |
WO2009023686A3 (en) | Precoding matrix feedback processes, circuits and systems | |
WO2007132313A3 (en) | Feedback frame structure for subspace tracking precoding | |
TW200731694A (en) | Linear precoding for time division duplex system | |
TW200625851A (en) | Interpolation in channel state feedback | |
EP1856857A4 (en) | METHOD FOR TRANSFERRING RECONDITIONING INFORMATION IN A MULTIPLE INPUT AND MULTIPLE OUTPUT SYSTEM (MIMO) | |
MX2009007208A (es) | Metodo de transmisor y recepcion de datos que utiliza precodificacion basada en desplazamiento de fase y transceptor que soporta el mismo. | |
WO2008074020A3 (en) | Acm aware encoding systems and methods | |
TW200707924A (en) | Feedback equalizer for a communcation receiver | |
MY153494A (en) | Pre-coding method for spatial multiplexing in multiple input and output system |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PC | Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee) |
Effective date: 20180109 |