KR101373788B1 - Ｍｉｍｏ 등화기에 대한 채널 행렬의 재귀적 추정 - Google Patents

Ｍｉｍｏ 등화기에 대한 채널 행렬의 재귀적 추정 Download PDF

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KR101373788B1
KR101373788B1 KR1020087020091A KR20087020091A KR101373788B1 KR 101373788 B1 KR101373788 B1 KR 101373788B1 KR 1020087020091 A KR1020087020091 A KR 1020087020091A KR 20087020091 A KR20087020091 A KR 20087020091A KR 101373788 B1 KR101373788 B1 KR 101373788B1
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matrix
module
data
training
training fields
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KR20080098495A (ko
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콘스탄티노스 사리게오르기디스
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마벨 월드 트레이드 리미티드
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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
    • H04B7/0684—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 using different training sequences per antenna
    • 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
    • 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
    • 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
    • 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
    • H04L25/0246—Channel estimation channel estimation algorithms using matrix methods with factorisation
    • 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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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Radio Transmission System (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
KR1020087020091A 2006-01-17 2007-01-17 Ｍｉｍｏ 등화기에 대한 채널 행렬의 재귀적 추정 Active KR101373788B1 (ko)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US75945306P 2006-01-17 2006-01-17
US60/759,453 2006-01-17
US11/521,182 US7813421B2 (en) 2006-01-17 2006-09-14 Order recursive computation for a MIMO equalizer
US11/521,182 2006-09-14
PCT/US2007/001233 WO2007084562A1 (en) 2006-01-17 2007-01-17 Recursive computation of a channel matrix for a mimo equalizer

Publications (2)

Publication Number Publication Date
KR20080098495A KR20080098495A (ko) 2008-11-10
KR101373788B1 true KR101373788B1 (ko) 2014-03-13

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KR1020087020091A Active KR101373788B1 (ko) 2006-01-17 2007-01-17 Ｍｉｍｏ 등화기에 대한 채널 행렬의 재귀적 추정

Country Status (6)

Country Link
US (4) US7813421B2 (enExample)
EP (1) EP1974512B1 (enExample)
JP (1) JP5160449B2 (enExample)
KR (1) KR101373788B1 (enExample)
CN (1) CN101371537B (enExample)
WO (1) WO2007084562A1 (enExample)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8494084B1 (en) 2006-05-02 2013-07-23 Marvell International Ltd. Reuse of a matrix equalizer for the purpose of transmit beamforming in a wireless MIMO communication system
US8223872B1 (en) 2007-04-04 2012-07-17 Marvell International Ltd. Reuse of a matrix equalizer for the purpose of transmit beamforming in a wireless MIMO communication system
US8199841B1 (en) 2007-04-26 2012-06-12 Marvell International Ltd. Channel tracking in a wireless multiple-input multiple-output (MIMO) communication system
US8077805B1 (en) 2007-04-27 2011-12-13 Marvell International Ltd. MIMO equalizer method and apparatus
US8155233B1 (en) 2007-09-11 2012-04-10 Marvell International Ltd. MIMO decoding in the presence of various interfering sources
US8229017B1 (en) 2007-12-13 2012-07-24 Marvell International Ltd. Transmit beamforming utilizing channel estimation matrix decomposition feedback in a wireless MIMO communication system
CN101247373B (zh) * 2008-03-20 2010-07-28 上海交通大学 基于免疫网络的正交频分复用系统的动态信道均衡方法
EP2309667B1 (en) * 2008-07-29 2016-03-30 Panasonic Intellectual Property Corporation of America Mimo transmission device and mimo transmission method
US8411806B1 (en) 2008-09-03 2013-04-02 Marvell International Ltd. Method and apparatus for receiving signals in a MIMO system with multiple channel encoders
US8750215B2 (en) * 2012-03-06 2014-06-10 Intel Corporation Method and apparatus for a 1 MHz long training field design
US20140160957A1 (en) * 2012-12-11 2014-06-12 Broadcom Corporation Channel state information calibration
US9197461B1 (en) 2013-03-12 2015-11-24 Marvell International Ltd. Method and apparatus for memory efficient architecture of successive interference cancellation for MIMO systems
KR101550110B1 (ko) 2013-12-30 2015-09-04 알까뗄 루슨트 Mimo 시스템의 추정을 위한 광의-선형 프레임워크
US9660736B2 (en) * 2014-11-19 2017-05-23 Intel Corporation Systems, methods, and devices for interference mitigation in wireless networks
JP6472259B2 (ja) * 2015-02-10 2019-02-20 キヤノン株式会社 通信装置、通信装置の制御方法、プログラム
US9722730B1 (en) 2015-02-12 2017-08-01 Marvell International Ltd. Multi-stream demodulation schemes with progressive optimization
JP6699738B2 (ja) 2016-01-29 2020-05-27 日本電気株式会社 情報処理装置、情報処理方法、及び、コンピュータプログラム
US10014026B1 (en) * 2017-06-20 2018-07-03 Seagate Technology Llc Head delay calibration and tracking in MSMR systems
US11018729B2 (en) 2019-05-21 2021-05-25 Nxp Usa, Inc. Structured-pipelined CORDIC for matrix equalization
CN111246485B (zh) * 2020-02-27 2022-09-20 华南理工大学 一种高密度车载通信环境下的车联网资源分配方法

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050185738A1 (en) 2004-02-25 2005-08-25 Gaikwad Rohit V. Payload based channel estimation of a wireless channel
US20060105767A1 (en) 2004-11-12 2006-05-18 Joonsuk Kim Method and system for bits and coding assignment utilizing Eigen beamforming with fixed rates for closed loop WLAN

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT407933B (de) * 1998-06-09 2001-07-25 Juha Dipl Ing Laurila Verfahren zur trennung und zur detektion von gleichkanal-signalen
US20020027985A1 (en) * 2000-06-12 2002-03-07 Farrokh Rashid-Farrokhi Parallel processing for multiple-input, multiple-output, DSL systems
US7050513B1 (en) * 2001-02-20 2006-05-23 Comsys Communications & Signal Processing Ltd. Block based channel tracking using weighted recursive least squares
GB2392065B (en) * 2002-08-15 2004-12-29 Toshiba Res Europ Ltd Signal decoding methods and apparatus
US7239672B2 (en) * 2002-09-05 2007-07-03 Silicon Integrated Systems Corp. Channel estimator for WLAN
JP4298320B2 (ja) * 2002-11-08 2009-07-15 富士通株式会社 Ｏｆｄｍ伝送方式における受信装置
CN1200521C (zh) * 2003-06-18 2005-05-04 清华大学 用于频域均衡的导频插入与信道参数估计的方法
US20050141657A1 (en) * 2003-12-30 2005-06-30 Maltsev Alexander A. Adaptive channel equalizer for wireless system
GB2411328B (en) * 2004-02-23 2007-05-16 Toshiba Res Europ Ltd Adaptive MIMO systems
US20050201454A1 (en) * 2004-03-12 2005-09-15 Intel Corporation System and method for automatically calibrating two-tap and multi-tap equalization for a communications link
JP4543737B2 (ja) * 2004-05-10 2010-09-15 ソニー株式会社 無線通信システム、無線通信装置及び無線通信方法、並びにコンピュータ・プログラム
US7110463B2 (en) * 2004-06-30 2006-09-19 Qualcomm, Incorporated Efficient computation of spatial filter matrices for steering transmit diversity in a MIMO communication system
EP1807959A1 (en) * 2004-11-05 2007-07-18 University Of Florida Research Foundation, Inc. Uniform channel decomposition for mimo communications
GB2423437B (en) * 2005-02-16 2007-06-13 Toshiba Res Europ Ltd Communications system, method and device
US7978759B1 (en) * 2005-03-24 2011-07-12 Marvell International Ltd. Scalable equalizer for multiple-in-multiple-out (MIMO) wireless transmission
US20070127608A1 (en) * 2005-12-06 2007-06-07 Jacob Scheim Blind interference mitigation in a digital receiver

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050185738A1 (en) 2004-02-25 2005-08-25 Gaikwad Rohit V. Payload based channel estimation of a wireless channel
US20060105767A1 (en) 2004-11-12 2006-05-18 Joonsuk Kim Method and system for bits and coding assignment utilizing Eigen beamforming with fixed rates for closed loop WLAN

Also Published As

Publication number Publication date
JP2009524291A (ja) 2009-06-25
US8699556B1 (en) 2014-04-15
JP5160449B2 (ja) 2013-03-13
WO2007084562A1 (en) 2007-07-26
KR20080098495A (ko) 2008-11-10
US7813421B2 (en) 2010-10-12
CN101371537A (zh) 2009-02-18
US20140226703A1 (en) 2014-08-14
EP1974512B1 (en) 2018-08-22
EP1974512A1 (en) 2008-10-01
US9001873B2 (en) 2015-04-07
CN101371537B (zh) 2012-07-18
US8340169B1 (en) 2012-12-25
US20070165737A1 (en) 2007-07-19

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