WO2003034617A1 - Radio apparatus and adaptive array processing method - Google Patents

Radio apparatus and adaptive array processing method Download PDF

Info

Publication number
WO2003034617A1
WO2003034617A1 PCT/JP2002/010637 JP0210637W WO03034617A1 WO 2003034617 A1 WO2003034617 A1 WO 2003034617A1 JP 0210637 W JP0210637 W JP 0210637W WO 03034617 A1 WO03034617 A1 WO 03034617A1
Authority
WO
WIPO (PCT)
Prior art keywords
response vector
wave
guard interval
signal arriving
arrival
Prior art date
Application number
PCT/JP2002/010637
Other languages
English (en)
French (fr)
Inventor
Yasutaka Ogawa
Takeo Ohgane
Yoshiharu Doi
Original Assignee
National University Corporation Hokkaido University
Sanyo Electric Co., Ltd.
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 National University Corporation Hokkaido University, Sanyo Electric Co., Ltd. filed Critical National University Corporation Hokkaido University
Priority to EP02775346A priority Critical patent/EP1443680A4/en
Priority to US10/492,351 priority patent/US7423961B2/en
Priority to KR1020047005670A priority patent/KR100659616B1/ko
Publication of WO2003034617A1 publication Critical patent/WO2003034617A1/ja

Links

Classifications

    • 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
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2647—Arrangements specific to the receiver only
    • 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
    • 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
    • H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
    • H04B7/0837—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using pre-detection combining
    • H04B7/0842—Weighted combining
    • H04B7/0848—Joint weighting
    • 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
    • H04L25/022—Channel estimation of frequency response
    • 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
    • H04L25/0228—Channel estimation using sounding signals with direct estimation from sounding signals
    • 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
    • H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
    • H04B7/0837—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using pre-detection combining
    • H04B7/0842—Weighted combining
    • H04B7/0848—Joint weighting
    • H04B7/0854—Joint weighting using error minimizing algorithms, e.g. minimum mean squared error [MMSE], "cross-correlation" or matrix inversion
    • 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
    • H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
    • H04B7/0837—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using pre-detection combining
    • H04B7/0842—Weighted combining
    • H04B7/0848—Joint weighting
    • H04B7/0857—Joint weighting using maximum ratio combining techniques, e.g. signal-to- interference ratio [SIR], received signal strenght indication [RSS]
    • 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
    • H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
    • H04B7/0891—Space-time diversity
    • H04B7/0897—Space-time diversity using beamforming per multi-path, e.g. to cope with different directions of arrival [DOA] at different multi-paths

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Radio Transmission System (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
  • Noise Elimination (AREA)
PCT/JP2002/010637 2001-10-17 2002-10-11 Radio apparatus and adaptive array processing method WO2003034617A1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP02775346A EP1443680A4 (en) 2001-10-17 2002-10-11 RADIO DEVICE AND METHOD FOR ADAPTIVE ARRAY PROCESSING
US10/492,351 US7423961B2 (en) 2001-10-17 2002-10-11 Radio apparatus and adaptive array processing method
KR1020047005670A KR100659616B1 (ko) 2001-10-17 2002-10-11 무선 장치 및 어댑티브 어레이 처리 방법

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2001319308A JP3814182B2 (ja) 2001-10-17 2001-10-17 無線装置およびアダプティブアレイ処理方法
JP2001-319308 2001-10-17

Publications (1)

Publication Number Publication Date
WO2003034617A1 true WO2003034617A1 (en) 2003-04-24

Family

ID=19136880

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2002/010637 WO2003034617A1 (en) 2001-10-17 2002-10-11 Radio apparatus and adaptive array processing method

Country Status (6)

Country Link
US (1) US7423961B2 (ja)
EP (1) EP1443680A4 (ja)
JP (1) JP3814182B2 (ja)
KR (1) KR100659616B1 (ja)
CN (1) CN100336319C (ja)
WO (1) WO2003034617A1 (ja)

Families Citing this family (41)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002054627A1 (fr) * 2000-12-27 2002-07-11 Sanyo Electric Co., Ltd. Appareil radio, programme et procede de detection de permutation
JP2003143047A (ja) * 2001-11-01 2003-05-16 Sony Corp アダプティブアレーアンテナ及びそのキャリブレーション方法
EP1540832B1 (en) * 2002-08-29 2016-04-13 Callahan Cellular L.L.C. Method for separating interferering signals and computing arrival angles
JP4289855B2 (ja) * 2002-09-20 2009-07-01 京セラ株式会社 無線基地装置、参照信号割当方法および参照信号割当プログラム
JP3891427B2 (ja) * 2002-12-27 2007-03-14 富士通株式会社 適応アレーアンテナ制御装置
JP3998578B2 (ja) * 2003-01-09 2007-10-31 株式会社東芝 移動通信システムおよび移動通信方法
JP4163971B2 (ja) * 2003-02-06 2008-10-08 松下電器産業株式会社 送信装置及び送信方法
US20050078735A1 (en) * 2003-07-18 2005-04-14 David Baker Communications systems and methods
US20050113141A1 (en) * 2003-11-20 2005-05-26 Telefonaktiebolaget Lm Ericsson (Publ) Spatial joint searcher and channel estimators
JP3910956B2 (ja) * 2003-12-26 2007-04-25 株式会社東芝 Ｏｆｄｍ無線通信システムのための伝搬路推定器及びこれを用いた受信装置
US7983142B2 (en) 2004-03-30 2011-07-19 Intel Corporation Apparatus, systems, and methods for the reception and synchronization of asynchronous signals
JP4496836B2 (ja) 2004-04-23 2010-07-07 ブラザー工業株式会社 無線受信装置
US20050265219A1 (en) * 2004-05-11 2005-12-01 Texas Instruments Incorporated Orthogonal frequency division multiplex (OFDM) packet detect unit, method of detecting an OFDM packet and OFDM receiver employing the same
JP4464403B2 (ja) 2004-06-04 2010-05-19 パナソニック株式会社 無線通信装置
KR100703523B1 (ko) 2005-01-17 2007-04-03 삼성전자주식회사 직교 주파수 분할 다중 수신기에서 에러 벡터 크기를감소시키기 위한 방법 및 장치
KR100587999B1 (ko) * 2005-03-25 2006-06-08 한국전자통신연구원 스마트 안테나를 갖는 직교 주파수 분할 다중 접속시스템에서의 상향 링크 반송파 주파수 동기화 및 안테나가중치 벡터 추정 방법 및 그 장치
EP1737176A1 (en) * 2005-06-20 2006-12-27 NTT DoCoMo, Inc. Signalling for allocation of a communication link in a MIMO system
US7664071B2 (en) 2005-11-28 2010-02-16 Kyocera Corporation Base station system and method for assigning a unique word in a communication system
KR100657515B1 (ko) * 2005-12-10 2006-12-14 한국전자통신연구원 직교 주파수분할 다중접속 시스템의 하향링크 빔형성 장치및 이 장치를 포함하는 송신 장치
JP4854315B2 (ja) * 2006-01-27 2012-01-18 三洋電機株式会社 受信方法および装置
JP4708206B2 (ja) * 2006-02-10 2011-06-22 日本電信電話株式会社 無線通信方法及び無線基地局
JP4664234B2 (ja) * 2006-05-24 2011-04-06 富士通セミコンダクター株式会社 Ｏｆｄｍ受信機
JP4732239B2 (ja) 2006-05-29 2011-07-27 京セラ株式会社 無線基地局及び無線基地局の制御方法
JP4836186B2 (ja) * 2006-05-31 2011-12-14 三洋電機株式会社 送信装置
WO2008027622A2 (en) * 2006-09-01 2008-03-06 Intermec Ip Corp. Rfid tags with cdma communication capabilities
US8587406B2 (en) * 2006-09-01 2013-11-19 Intermec Ip Corp. RFID tags with orthogonal communication capabilities, and associated systems
US8508369B2 (en) * 2006-09-01 2013-08-13 Intermec Ip Corp. RFID tag system with block coding, such as space-time block coding
WO2008049076A2 (en) * 2006-10-18 2008-04-24 Genesis Microchip Inc. Symbol synchronization using phase discontinuity for dvb-t systems in awgn channels
JP4829849B2 (ja) * 2006-11-15 2011-12-07 日本放送協会 Ｏｆｄｍ信号合成用受信装置および中継装置
US20080130794A1 (en) * 2006-12-04 2008-06-05 Chia-Chin Chong Method for optimum threshold selection of time-of-arrival estimators
KR100847015B1 (ko) * 2006-12-08 2008-07-17 한국전자통신연구원 빔 포밍 방법 및 그 장치
JP2008160569A (ja) * 2006-12-25 2008-07-10 Kyocera Corp Ｏｆｄｍ方式の通信システム、基地局、端末及び通信方法
WO2008103089A1 (en) * 2007-02-22 2008-08-28 Telefonaktiebolaget Lm Ericsson (Publ) A method and a device for reduced interference in a cellular access system
JP4929481B2 (ja) * 2008-08-15 2012-05-09 株式会社シンセシス ダイバーシチ受信機
EP2211512B1 (en) * 2009-01-23 2017-12-27 Telefonaktiebolaget LM Ericsson (publ) Method and arrangement of delay spread compensation
JP5570456B2 (ja) * 2011-02-18 2014-08-13 日本放送協会 Ｏｆｄｍ信号受信装置および中継装置
CN103747538B (zh) * 2014-01-09 2017-02-15 京信通信系统（中国）有限公司 自适应载波分离方法及装置
RU2580830C1 (ru) * 2014-12-29 2016-04-10 Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Московский государственный технический университет имени Н.Э. Баумана (МГТУ им. Н.Э. Баумана) Радиолокационный пеленгатор локализованных объектов
CN109690970B (zh) * 2016-09-15 2022-06-10 三菱电机株式会社 无线接收装置和期望信号检测方法
RU2646602C1 (ru) * 2017-07-13 2018-03-06 федеральное государственное казенное военное образовательное учреждение высшего образования "Военная академия связи имени Маршала Советского Союза С.М. Буденного" Министерства обороны Российской Федерации Широкополосное приемопередающее устройство с программной перестройкой фазы сигнала
WO2019117762A1 (en) * 2017-12-11 2019-06-20 Telefonaktiebolaget Lm Ericsson (Publ) Determination of directional beamforming weights

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11205026A (ja) * 1998-01-08 1999-07-30 Toshiba Corp 適応可変指向性アンテナ
JPH11275047A (ja) * 1998-03-20 1999-10-08 Sharp Corp 送信機、受信機および伝送方法

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6144711A (en) * 1996-08-29 2000-11-07 Cisco Systems, Inc. Spatio-temporal processing for communication
JP3381580B2 (ja) 1996-11-22 2003-03-04 株式会社豊田中央研究所 アダプティブ通信装置
JP3567734B2 (ja) 1998-04-28 2004-09-22 株式会社豊田中央研究所 アダプティブ受信装置
US6898235B1 (en) * 1999-12-10 2005-05-24 Argon St Incorporated Wideband communication intercept and direction finding device using hyperchannelization
US6937558B2 (en) * 2000-02-29 2005-08-30 Kabushiki Kaisha Toshiba Transmitter apparatus and receiver apparatus and base station making use of orthogonal frequency division multiplexing and spectrum spreading
US6920192B1 (en) * 2000-08-03 2005-07-19 Lucent Technologies Inc. Adaptive antenna array methods and apparatus for use in a multi-access wireless communication system
JP4374764B2 (ja) * 2000-10-31 2009-12-02 株式会社デンソー アダプティブ受信機
US6603427B2 (en) * 2001-06-27 2003-08-05 Raytheon Company System and method for forming a beam and creating nulls with an adaptive array antenna using antenna excision and orthogonal Eigen-weighting
US7359466B2 (en) * 2001-08-24 2008-04-15 Lucent Technologies Inc. Signal detection by a receiver in a multiple antenna time-dispersive system

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11205026A (ja) * 1998-01-08 1999-07-30 Toshiba Corp 適応可変指向性アンテナ
JPH11275047A (ja) * 1998-03-20 1999-10-08 Sharp Corp 送信機、受信機および伝送方法

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of EP1443680A4 *

Also Published As

Publication number Publication date
EP1443680A1 (en) 2004-08-04
CN100336319C (zh) 2007-09-05
KR100659616B1 (ko) 2006-12-20
JP3814182B2 (ja) 2006-08-23
CN1605167A (zh) 2005-04-06
EP1443680A4 (en) 2010-01-13
KR20040051610A (ko) 2004-06-18
US7423961B2 (en) 2008-09-09
US20040246889A1 (en) 2004-12-09
JP2003124857A (ja) 2003-04-25

Similar Documents

Publication Publication Date Title
WO2003034617A1 (en) Radio apparatus and adaptive array processing method
US6587526B1 (en) Apparatus and method for timing synchronization in OFDM-based wireless systems
KR100559070B1 (ko) 적응형 안테나 어레이 및 그 제어 방법
EP0932218A3 (en) Adaptive array antenna system and mobile telecommunications system using the same
CA2451916A1 (en) Object detection system and method
WO2003001684A3 (en) A timing estimation method and apparatus for a location system
AR008590A1 (es) Metodo y aparato para rechazo de interferencias con diferentes haces, polarizaciones y referencias de fase
EP1575187A3 (en) Radio equipment capable of real time change of antenna directivity and doppler frequency estimating circuit used for the radio equipment
JP2008271440A (ja) 受信制御方法および無線通信装置
JP2001324557A (ja) 近距離場における信号発信源の位置をアレーアンテナを用いて推定する装置及び方法
WO2005036775A3 (en) Apparatus and method of multiple antenna transmitter beamforming of high data rate wideband packetized wireless communication signals
WO2014173301A1 (zh) 波束赋形方法和设备
WO2002052748A3 (en) Method and apparatus for mitigating inter-channel interference in adaptive array systems
EP1271981A4 (en) RADIOCOMMUNICATION SYSTEM AND MOBILE TERMINAL, METHOD FOR DETERMINING THE DIRECTION
JP4163971B2 (ja) 送信装置及び送信方法
ATE340442T1 (de) Parameterschätzung für adaptives antennensystem
WO2005050861A1 (en) Multi-dimensional joint searcher and channel estimators
KR100532803B1 (ko) 방향 판단 방법
AU688228B1 (en) A system and method of estimating CIR
TW201141101A (en) Estimation device and method for the direction of arrival and the communication system using the same
JP3999955B2 (ja) ダウンリンクチャネルを推定する方法及びダウンリンクチャネルを推定する装置
KR20060103184A (ko) 무선 통신 방법, 무선 통신 시스템 및 무선 통신 디바이스
TW200731700A (en) Adaptive two-dimensional channel estimating method and the device for orthogonal frequency division multiplexing
WO2002056492A3 (en) Multiple transceiver amplification apparatus method and system
JP4098026B2 (ja) マルチパス伝播環境における周期定常信号の到来方向推定方法及びこれを用いた受信ビーム形成装置

Legal Events

Date Code Title Description
AK Designated states

Kind code of ref document: A1

Designated state(s): AE AG AL AM AT AU AZ BA BB BG BY BZ CA CH CN CO CR CU CZ DE DM DZ EC EE ES FI GB GD GE GH HR HU ID IL IN IS KE KG KR KZ LC LR LS LT LU LV MA MD MG MK MN MX MZ NO NZ OM PH PL PT RO RU SE SG SI SK SL TJ TM TN TR TT TZ UG US UZ VC VN YU ZA ZM

AL Designated countries for regional patents

Kind code of ref document: A1

Designated state(s): GH GM KE LS MW MZ SD SL SZ UG ZM ZW AM AZ BY KG KZ RU TJ TM AT BE BG CH CY CZ DK EE ES FI FR GB GR IE IT LU MC PT SE SK TR BF BJ CF CG CI GA GN GQ GW ML MR NE SN TD TG

121 Ep: the epo has been informed by wipo that ep was designated in this application
WWE Wipo information: entry into national phase

Ref document number: 10492351

Country of ref document: US

WWE Wipo information: entry into national phase

Ref document number: 1020047005670

Country of ref document: KR

WWE Wipo information: entry into national phase

Ref document number: 2002775346

Country of ref document: EP

WWE Wipo information: entry into national phase

Ref document number: 20028249593

Country of ref document: CN

WWP Wipo information: published in national office

Ref document number: 2002775346

Country of ref document: EP