TWI340568B - Channel estimation for wireless communication - Google Patents

Channel estimation for wireless communication

Info

Publication number
TWI340568B
TWI340568B TW095129608A TW95129608A TWI340568B TW I340568 B TWI340568 B TW I340568B TW 095129608 A TW095129608 A TW 095129608A TW 95129608 A TW95129608 A TW 95129608A TW I340568 B TWI340568 B TW I340568B
Authority
TW
Taiwan
Prior art keywords
filter
channel estimation
channel
wireless communication
derived
Prior art date
Application number
TW095129608A
Other languages
English (en)
Other versions
TW200718080A (en
Inventor
Tao Luo
Aleksandar Damnjanovic
Durga Prasad Malladi
Original Assignee
Qualcomm Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Qualcomm Inc filed Critical Qualcomm Inc
Publication of TW200718080A publication Critical patent/TW200718080A/zh
Application granted granted Critical
Publication of TWI340568B publication Critical patent/TWI340568B/zh

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
    • H04L25/0202—Channel estimation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/69—Spread spectrum techniques
    • H04B1/707—Spread spectrum techniques using direct sequence modulation
    • H04B1/7097—Interference-related aspects
    • H04B1/7103—Interference-related aspects the interference being multiple access interference
    • H04B1/7107—Subtractive interference cancellation
    • H04B1/71072—Successive interference cancellation
    • 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
    • H04L25/0224—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
    • H04L25/0202—Channel estimation
    • H04L25/0224—Channel estimation using sounding signals
    • H04L25/0226—Channel estimation using sounding signals sounding signals per se
    • 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
    • H04L25/0238—Channel estimation using blind estimation

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Noise Elimination (AREA)
  • Radio Transmission System (AREA)
  • Transceivers (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
TW095129608A 2005-08-12 2006-08-11 Channel estimation for wireless communication TWI340568B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US70767305P 2005-08-12 2005-08-12
US11/492,605 US8165186B2 (en) 2005-08-12 2006-07-24 Channel estimation for wireless communication

Publications (2)

Publication Number Publication Date
TW200718080A TW200718080A (en) 2007-05-01
TWI340568B true TWI340568B (en) 2011-04-11

Family

ID=37499233

Family Applications (2)

Application Number Title Priority Date Filing Date
TW099116720A TW201036363A (en) 2005-08-12 2006-08-11 Channel estimation for wireless communication
TW095129608A TWI340568B (en) 2005-08-12 2006-08-11 Channel estimation for wireless communication

Family Applications Before (1)

Application Number Title Priority Date Filing Date
TW099116720A TW201036363A (en) 2005-08-12 2006-08-11 Channel estimation for wireless communication

Country Status (10)

Country Link
US (3) US8165186B2 (zh)
EP (3) EP2226949B1 (zh)
JP (3) JP4897810B2 (zh)
KR (3) KR101096889B1 (zh)
CN (3) CN101283559B (zh)
AT (1) ATE532301T1 (zh)
ES (1) ES2373567T3 (zh)
MY (1) MY146679A (zh)
TW (2) TW201036363A (zh)
WO (1) WO2007021952A2 (zh)

Families Citing this family (48)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005015775A1 (en) * 2003-08-11 2005-02-17 Nortel Networks Limited System and method for embedding ofdm in cdma systems
US8165186B2 (en) * 2005-08-12 2012-04-24 Qualcomm Incorporated Channel estimation for wireless communication
US7864885B2 (en) * 2006-11-15 2011-01-04 Samsung Electronics Co., Ltd. Multiple input multiple output (MIMO) transceiver with pooled adaptive digital filtering
US8102795B2 (en) * 2007-03-09 2012-01-24 Qualcomm Incorporated Channel equalization with non-common midamble allocation in 3GPP TD-CDMA systems
US8014424B2 (en) * 2007-06-25 2011-09-06 Qualcomm Incorporated Method and apparatus for using an unique index set for PSC sequence in a wireless communication system
WO2009026769A1 (en) * 2007-08-31 2009-03-05 Fujitsu Limited Wireless communication system and wireless communication method
KR101457690B1 (ko) * 2008-03-05 2014-11-04 삼성전자주식회사 통신 시스템에서 간섭 신호를 제거하기 위한 수신 장치 및 방법
KR101402906B1 (ko) * 2008-06-23 2014-06-02 삼성전자주식회사 이동통신 시스템에서 전력 제어를 위한 장치 및 방법
US8428538B2 (en) * 2008-07-09 2013-04-23 Intel Mobile Communications GmbH Channel estimator
US8238482B2 (en) * 2008-10-14 2012-08-07 Apple Inc. Techniques for improving channel estimation and tracking in a wireless communication system
KR101556636B1 (ko) * 2008-12-16 2015-10-01 삼성전자주식회사 데이터 채널을 이용한 채널 추정 방법 및 장치
US8830918B2 (en) * 2009-03-16 2014-09-09 Interdigital Patent Holdings, Inc. Method and apparatus for performing uplink transmit diversity
US8615030B2 (en) * 2009-05-04 2013-12-24 Qualcomm Incorporated Method and system for multi-user detection using two-stage processing
US8451963B2 (en) * 2009-06-09 2013-05-28 Qualcomm Incorporated Method and system for interference cancellation
CA2768150C (en) * 2009-07-15 2016-09-20 Nortel Networks Limited Selecting from among plural channel estimation techniques
US9256560B2 (en) * 2009-07-29 2016-02-09 Solarflare Communications, Inc. Controller integration
US8509287B2 (en) * 2009-10-23 2013-08-13 Broadcom Corporation Method and system for diversity processing utilizing a programmable interface suppression module
US8335286B2 (en) * 2009-08-26 2012-12-18 Qualcomm Incorporated Methods for determining decoding order in a MIMO system with successive interference cancellation
KR101329335B1 (ko) * 2009-12-15 2013-11-20 한국전자통신연구원 주파수 영역의 채널 추정 장치 및 방법
US8594238B2 (en) 2009-12-15 2013-11-26 Electronics And Telecommunications Research Institute Apparatus and method for estimating channel in channel domain
US8699553B2 (en) 2010-02-19 2014-04-15 Telefonaktiebolaget Lm Ericsson (Publ) Data-aided SIR estimation
US8396168B2 (en) * 2010-04-15 2013-03-12 Telefonaktiebolaget L M Ericsson (Publ) Channel estimation for equalizer using serial localization with indecision
US8699592B1 (en) 2010-06-11 2014-04-15 Marvell International Ltd. Systems and methods for estimating decoder noise power in OFDM systems
TW201234793A (en) 2011-02-11 2012-08-16 Interdigital Patent Holdings Method and apparatus for closed loop transmit diversity transmission initial access
US9313744B2 (en) * 2011-10-28 2016-04-12 Qualcomm Incorporated Method and apparatus for configuring traffic-to-pilot power ratios in heterogeneous networks
US8903001B2 (en) * 2011-11-10 2014-12-02 Marvell World Trade Ltd. Channel estimation with decision feedback
DE112013003165B4 (de) * 2012-07-23 2021-10-07 Apple Inc. Verfahren und Systeme für adaptives Kanalbewertungs/-Vorhersage-Filterdesign
US8737457B2 (en) * 2012-09-28 2014-05-27 Telefonaktiebolaget L M Ericsson (Publ) Adaptive smoothing of channel estimates
US9485061B2 (en) * 2012-10-12 2016-11-01 Samsung Electronics Co., Ltd. Communication system with flexible repeat-response mechanism and method of operation thereof
US9350587B1 (en) 2012-11-30 2016-05-24 Marvell International Ltd. System and method for timing error estimation
US9329929B2 (en) 2013-03-20 2016-05-03 Zte (Usa) Inc. Soft maximum likelihood sequence estimation in digital communication
US9762351B2 (en) 2013-03-20 2017-09-12 Zte (Usa) Inc. Statistics adaptive soft decision forward error correction in digital communication
US9553706B2 (en) 2013-05-15 2017-01-24 Qualcomm Incorporated Channel estimate under non-uniform reference signal pattern
US20150049731A1 (en) * 2013-08-16 2015-02-19 Mitsubishi Electric Research Laboratories, Inc. Method for Coding OFDMA Data without Pilot Symbols
US10103904B2 (en) 2013-10-04 2018-10-16 Samsung Electronics Co., Ltd Method and device for estimating channel in wireless communication system
US9350590B2 (en) * 2013-10-25 2016-05-24 Texas Instruments Incorporated Method, system and apparatus for carrier frequency offset correction and channel estimation
EP2975787B1 (en) * 2014-07-16 2018-10-03 ZTE Corporation Adaptive post digital filter and inter-symbol interference equalizer for optical communication
US9819419B2 (en) 2014-10-07 2017-11-14 Zte Corporation Maximum likelihood sequence estimation of Quadrature Amplitude Modulated signals
CA2988717C (en) * 2015-07-24 2021-01-26 Halliburton Energy Services, Inc. Channel estimation in mud pulse telemetry
JP6538589B2 (ja) * 2016-02-26 2019-07-03 日本電信電話株式会社 無線通信装置及び干渉低減方法
KR101943984B1 (ko) 2017-02-13 2019-01-31 전남대학교산학협력단 Lte 기반 사이드링크 시스템에서의 채널 추정 방법 및 이를 위한 장치
KR101943985B1 (ko) 2017-02-14 2019-01-31 전남대학교산학협력단 Lte 기반 채널 추정 방법 및 이를 위한 장치
KR101977623B1 (ko) 2017-06-30 2019-05-14 전남대학교산학협력단 고속 링크 적응을 위한 채널 보간 및 예측 방법, 그리고 이를 위한 장치
KR101940749B1 (ko) 2017-08-21 2019-01-22 전남대학교산학협력단 채널 추정 방법 및 이를 위한 장치
KR101943983B1 (ko) 2017-08-22 2019-01-31 전남대학교산학협력단 차량 간 통신에서 채널 추정을 위한 방법 및 이를 위한 장치
EP4032341A4 (en) * 2019-09-19 2023-05-31 Nokia Solutions and Networks Oy CHANNEL ESTIMATION BASED ON MACHINE LEARNING
WO2023287415A1 (en) * 2021-07-14 2023-01-19 Zeku, Inc. Apparatus and method for low power channel estimation
CN113436648B (zh) * 2021-08-26 2021-11-30 深圳市志泽科技有限公司 具有传输信道选择功能的双向通讯系统

Family Cites Families (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4740236A (en) * 1982-12-03 1988-04-26 Ciba-Geigy Corporation N-sulfonyl-imino-thiocarbonic acid diesters as herbicide antagonists for the protection of rice crops
US5572552A (en) 1994-01-27 1996-11-05 Ericsson Ge Mobile Communications Inc. Method and system for demodulation of downlink CDMA signals
JP2746261B2 (ja) 1996-06-10 1998-05-06 日本電気株式会社 Ｄｓ−ｃｄｍａ干渉キャンセル装置
US5872816A (en) 1996-08-20 1999-02-16 Hughes Electronics Corporation Coherent blind demodulation
JP3335900B2 (ja) 1998-02-27 2002-10-21 松下電器産業株式会社 干渉除去装置及び干渉除去方法
US6381290B1 (en) * 1998-05-15 2002-04-30 Ericsson Inc. Mobile unit for pilot symbol assisted wireless system and method of improving performance thereof
JP2970656B1 (ja) 1998-06-25 1999-11-02 日本電気株式会社 Ｄｓ−ｃｄｍａマルチユーザ干渉キャンセラ
JP3369489B2 (ja) * 1998-11-11 2003-01-20 松下電器産業株式会社 無線通信装置及び無線通信方法
US6442154B1 (en) 1999-04-15 2002-08-27 Ericsson Inc. Method and apparatus for successive cancellation using multiple signal timings
US6414988B1 (en) * 1999-05-12 2002-07-02 Qualcomm Incorporated Amplitude and phase estimation method in a wireless communication system
JP3373457B2 (ja) 1999-08-24 2003-02-04 松下電器産業株式会社 無線受信装置及び無線受信方法
MY133723A (en) 1999-09-17 2007-11-30 Ericsson Telefon Ab L M "apparatus and method for substantially eliminating a near-channel interfering amplitude modulated signal"
WO2001039032A1 (en) 1999-11-11 2001-05-31 Voyan Technology Method for design and implementation of fixed-point filters for control and signal processing
EP1122891A1 (en) 2000-01-31 2001-08-08 Telefonaktiebolaget Lm Ericsson Radio receiver and method therein
US6963546B2 (en) 2000-03-15 2005-11-08 Interdigital Technology Corp. Multi-user detection using an adaptive combination of joint detection and successive interface cancellation
JP2001326586A (ja) 2000-05-17 2001-11-22 Nec Corp Ｃｄｍａ通信システム及びそれに用いるチャネル推定方法
JP2002043980A (ja) * 2000-07-24 2002-02-08 Matsushita Electric Ind Co Ltd 無線受信装置および無線受信方法
JP3735015B2 (ja) 2000-07-26 2006-01-11 松下電器産業株式会社 回線推定装置および回線推定方法
JP2002044172A (ja) 2000-07-26 2002-02-08 Sanyo Electric Co Ltd 位相補正回路および位相補正回路を備えた携帯無線端末
JP2002232397A (ja) 2001-01-31 2002-08-16 Ntt Docomo Inc 移動通信システムにおける受信処理方法及び受信装置
US7133435B2 (en) 2001-06-20 2006-11-07 Texas Instruments Incorporated Interference cancellation system and method
US7230975B2 (en) * 2001-08-07 2007-06-12 Qualcomm Incorporated Adaptive pilot filter for a wireless communication system
US7058144B2 (en) 2001-08-07 2006-06-06 Conexant, Inc. Intelligent control system and method for compensation application in a wireless communications system
US7035659B1 (en) * 2001-10-22 2006-04-25 Via Telecom Co., Ltd. Estimation of forward link signal-to-noise ratio
DE10228103A1 (de) 2002-06-24 2004-01-15 Bayer Cropscience Ag Fungizide Wirkstoffkombinationen
GB2403112B (en) 2002-08-16 2005-08-10 Toshiba Res Europ Ltd Channel estimation and training sequence determination
EP1401164A1 (en) 2002-09-19 2004-03-24 Telefonaktiebolaget Lm Ericsson Bandwith estimation and adaptive filtering
JP2004120643A (ja) * 2002-09-27 2004-04-15 Toshiba Corp Ｒａｋｅ受信機とその受信制御プログラム
US7092731B2 (en) * 2003-03-06 2006-08-15 Lucent Technologies Inc. Method for improving capacity of a reverse link channel in a wireless network
WO2004082172A1 (en) 2003-03-10 2004-09-23 Samsung Electronics Co. Ltd. Apparatus and method for estimating a velocity of a mobile station in a mobile communication system
US7433433B2 (en) 2003-11-13 2008-10-07 Telefonaktiebolaget L M Ericsson (Publ) Channel estimation by adaptive interpolation
US8165186B2 (en) 2005-08-12 2012-04-24 Qualcomm Incorporated Channel estimation for wireless communication

Also Published As

Publication number Publication date
JP4897810B2 (ja) 2012-03-14
TW200718080A (en) 2007-05-01
EP2273742A2 (en) 2011-01-12
EP1913745B1 (en) 2011-11-02
JP5442697B2 (ja) 2014-03-12
CN101283559B (zh) 2015-02-18
CN101977168B (zh) 2014-04-09
MY146679A (en) 2012-09-14
US8437380B2 (en) 2013-05-07
EP2226949B1 (en) 2020-10-21
CN101958730A (zh) 2011-01-26
CN101283559A (zh) 2008-10-08
EP1913745A2 (en) 2008-04-23
KR20100008010A (ko) 2010-01-22
US20070104253A1 (en) 2007-05-10
EP2273742B1 (en) 2019-10-16
JP2012034412A (ja) 2012-02-16
JP2012034413A (ja) 2012-02-16
KR20100110398A (ko) 2010-10-12
TW201036363A (en) 2010-10-01
KR20080033543A (ko) 2008-04-16
EP2226949A1 (en) 2010-09-08
JP2009505510A (ja) 2009-02-05
CN101958730B (zh) 2013-02-13
ATE532301T1 (de) 2011-11-15
US20110026653A1 (en) 2011-02-03
CN101977168A (zh) 2011-02-16
WO2007021952A3 (en) 2007-04-12
JP5442696B2 (ja) 2014-03-12
ES2373567T3 (es) 2012-02-06
KR101096889B1 (ko) 2011-12-22
WO2007021952A2 (en) 2007-02-22
US20100158176A1 (en) 2010-06-24
KR101185876B1 (ko) 2012-09-26
EP2273742A3 (en) 2013-03-06
US8165186B2 (en) 2012-04-24
US8625656B2 (en) 2014-01-07
KR101143242B1 (ko) 2012-05-21

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