CN1883131B - 用于确定信道估计的设备与方法 - Google Patents

用于确定信道估计的设备与方法 Download PDF

Info

Publication number
CN1883131B
CN1883131B CN2004800345020A CN200480034502A CN1883131B CN 1883131 B CN1883131 B CN 1883131B CN 2004800345020 A CN2004800345020 A CN 2004800345020A CN 200480034502 A CN200480034502 A CN 200480034502A CN 1883131 B CN1883131 B CN 1883131B
Authority
CN
China
Prior art keywords
antenna
time
dimension
channel
signal
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.)
Expired - Fee Related
Application number
CN2004800345020A
Other languages
English (en)
Chinese (zh)
Other versions
CN1883131A (zh
Inventor
S·费尔特
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Clastres LLC
WIRELESS PLANET LLC
Original Assignee
Telefonaktiebolaget LM Ericsson AB
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 Telefonaktiebolaget LM Ericsson AB filed Critical Telefonaktiebolaget LM Ericsson AB
Publication of CN1883131A publication Critical patent/CN1883131A/zh
Application granted granted Critical
Publication of CN1883131B publication Critical patent/CN1883131B/zh
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q3/00Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
    • H01Q3/26Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture
    • H01Q3/30Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture varying the relative phase between the radiating elements of an array
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/02Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/08Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
    • H04B7/0837Diversity 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
    • H04B7/0842Weighted combining
    • H04B7/086Weighted combining using weights depending on external parameters, e.g. direction of arrival [DOA], predetermined weights or beamforming

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Radio Transmission System (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
CN2004800345020A 2003-11-20 2004-11-09 用于确定信道估计的设备与方法 Expired - Fee Related CN1883131B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US10/717,313 2003-11-20
US10/717,313 US7308286B2 (en) 2003-11-20 2003-11-20 Multi-dimensional joint searcher and channel estimators
PCT/SE2004/001623 WO2005050861A1 (en) 2003-11-20 2004-11-09 Multi-dimensional joint searcher and channel estimators

Publications (2)

Publication Number Publication Date
CN1883131A CN1883131A (zh) 2006-12-20
CN1883131B true CN1883131B (zh) 2010-12-01

Family

ID=34590902

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2004800345020A Expired - Fee Related CN1883131B (zh) 2003-11-20 2004-11-09 用于确定信道估计的设备与方法

Country Status (6)

Country Link
US (1) US7308286B2 (enExample)
EP (1) EP1687909B1 (enExample)
JP (1) JP2007512762A (enExample)
CN (1) CN1883131B (enExample)
ES (1) ES2402425T3 (enExample)
WO (1) WO2005050861A1 (enExample)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050113141A1 (en) * 2003-11-20 2005-05-26 Telefonaktiebolaget Lm Ericsson (Publ) Spatial joint searcher and channel estimators
TWI245199B (en) * 2004-08-10 2005-12-11 Ali Corp Blind channel searching and estimation method using fast Fourier transformation
KR101009774B1 (ko) 2006-07-11 2011-01-19 더 유니버시티 코트 오브 더 유니버시티 오브 에딘버그 다중입출력 시스템에서 공간 변조 방법 및 그를 이용한 송수신 장치
JP5186748B2 (ja) * 2006-09-29 2013-04-24 富士通株式会社 無線通信装置および無線通信方法
US8208587B2 (en) * 2007-04-27 2012-06-26 Ntt Docomo, Inc. Method and system for joint time-of-arrival and amplitude estimation based on a super-resolution technique
JP2010531084A (ja) * 2007-06-08 2010-09-16 エルジー イノテック カンパニー リミテッド 無線通信装置
JP5628144B2 (ja) 2008-03-18 2014-11-19 エリプティック・ラボラトリーズ・アクシェルスカブElliptic Laboratories As 目的物及び動作検出
ATE523839T1 (de) * 2008-05-07 2011-09-15 Tyco Electronics Services Gmbh Verfahren zur bestimmung der position eines aufpralls auf der oberfläche eines objekts
EP2200245B1 (en) * 2008-12-19 2012-08-15 Telefonaktiebolaget L M Ericsson (publ) A receiver and a method for mobile communications
US20100226448A1 (en) * 2009-03-05 2010-09-09 Paul Wilkinson Dent Channel extrapolation from one frequency and time to another
CN104113396B (zh) * 2013-04-17 2019-02-12 上海诺基亚贝尔股份有限公司 大规模天线系统中的信道检测方法和装置
CN104378147B (zh) * 2013-08-16 2018-07-13 上海诺基亚贝尔股份有限公司 Mimo系统中的上行导频分配方法及装置
CN107850660B (zh) * 2015-07-17 2021-06-15 株式会社村田制作所 位置检测系统以及计算机程序
DE112017004430T5 (de) * 2016-09-02 2019-06-27 Marvell World Trade Ltd. Verfahren und vorrichtung zum bestimmen eines einfallswinkels eines drahtlosen signals
CN109995689B (zh) * 2017-12-29 2021-08-06 普天信息技术有限公司 估计pucch频偏的方法、装置、电子设备和存储介质
US10659941B2 (en) * 2018-03-13 2020-05-19 Cypress Semiconductor Corporation Communicating packets in a mesh network
DE102020215852B4 (de) * 2020-12-14 2022-07-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung eingetragener Verein Robuste Ankunftszeitschätzung unter Verwendung von faltenden neuronalen Netzerken (oder anderen Funktionsapproximationen) auf randomisierten Kanalmodellen
CN115695105B (zh) * 2023-01-03 2023-03-17 南昌大学 基于深度迭代智能超表面辅助通信的信道估计方法及装置

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1304584A (zh) * 1999-04-02 2001-07-18 株式会社Ntt杜可莫 信道估计装置和方法,解调装置和方法、以及衰落频率判定装置和方法
EP1303058A2 (en) * 1998-05-29 2003-04-16 TELEFONAKTIEBOLAGET LM ERICSSON (publ) Searching and tracking unit for determining the location and/or moving direction of a CDMA mobile station

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5790606A (en) * 1994-01-11 1998-08-04 Ericsson Inc. Joint demodulation using spatial maximum likelihood
ZA957858B (en) * 1994-09-30 1996-04-22 Qualcomm Inc Multipath search processor for a spread spectrum multiple access communication system
EP1007998A1 (en) * 1997-02-11 2000-06-14 Massachusetts Institute Of Technology Polymeric photonic band gap materials
DE19754031A1 (de) 1997-12-05 1999-06-17 Siemens Ag Verfahren und Meßanordnung zur Messung der Eigenschaften von Funkkanälen
JPH11266180A (ja) * 1998-03-18 1999-09-28 Fujitsu Ltd 無線基地局のアレーアンテナシステム
US6370397B1 (en) 1998-05-01 2002-04-09 Telefonaktiebolaget Lm Ericsson (Publ) Search window delay tracking in code division multiple access communication systems
US6311043B1 (en) 1998-10-27 2001-10-30 Siemens Aktiengesellschaft Method and measurement configuration for measuring the characteristics of radio channels
US6473393B1 (en) 1998-12-18 2002-10-29 At&T Corp. Channel estimation for OFDM systems with transmitter diversity
JP3001570B1 (ja) 1999-02-22 2000-01-24 埼玉日本電気株式会社 適応アンテナ指向性制御方法及びそのシステム
US6141393A (en) 1999-03-03 2000-10-31 Motorola, Inc. Method and device for channel estimation, equalization, and interference suppression
US6567482B1 (en) 1999-03-05 2003-05-20 Telefonaktiebolaget Lm Ericsson (Publ) Method and apparatus for efficient synchronization in spread spectrum communications
WO2001067627A1 (en) * 2000-03-06 2001-09-13 Fujitsu Limited Cdma receiver and searcher of the cdma receiver
JP4509297B2 (ja) * 2000-04-26 2010-07-21 三菱電機株式会社 スペクトル拡散受信装置
FR2813465B1 (fr) 2000-08-29 2005-04-08 Mitsubishi Electric Inf Tech Methode d'estimation conjointe de canal et de direction d'arrivee
JP4087549B2 (ja) * 2000-09-06 2008-05-21 富士通株式会社 アレーアンテナ無線通信装置
US6496535B2 (en) 2001-03-23 2002-12-17 Navini Networks, Inc. Method and system for effective channel estimation in a telecommunication system
US20020176485A1 (en) 2001-04-03 2002-11-28 Hudson John E. Multi-cast communication system and method of estimating channel impulse responses therein
JP3558053B2 (ja) * 2001-06-06 2004-08-25 日本電気株式会社 適応アンテナ受信装置
JP4152091B2 (ja) 2001-06-06 2008-09-17 日本電気株式会社 適応アンテナ受信装置
JP2003008483A (ja) 2001-06-18 2003-01-10 Nec Corp アダプティブアレイアンテナ受信装置
KR100591700B1 (ko) 2001-10-06 2006-07-03 엘지노텔 주식회사 배열 안테나 시스템에서 신호 경로 탐색 방법 및 이를위한 장치

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1303058A2 (en) * 1998-05-29 2003-04-16 TELEFONAKTIEBOLAGET LM ERICSSON (publ) Searching and tracking unit for determining the location and/or moving direction of a CDMA mobile station
CN1304584A (zh) * 1999-04-02 2001-07-18 株式会社Ntt杜可莫 信道估计装置和方法,解调装置和方法、以及衰落频率判定装置和方法

Also Published As

Publication number Publication date
WO2005050861A1 (en) 2005-06-02
US20050113042A1 (en) 2005-05-26
US7308286B2 (en) 2007-12-11
CN1883131A (zh) 2006-12-20
EP1687909B1 (en) 2013-01-02
JP2007512762A (ja) 2007-05-17
ES2402425T3 (es) 2013-05-03
EP1687909A1 (en) 2006-08-09

Similar Documents

Publication Publication Date Title
CN1883131B (zh) 用于确定信道估计的设备与方法
US6907270B1 (en) Method and apparatus for reduced rank channel estimation in a communications system
US6745050B1 (en) Multichannel multiuser detection
EP1100214B1 (en) Smart antennas for IMT-2000 Code division multiple access wireless communications
US20050113141A1 (en) Spatial joint searcher and channel estimators
US6549565B1 (en) Code division multiple access system and method of operation with improved signal acquisition and processing
US20050113142A1 (en) Temporal joint searcher and channel estimators
Dharamdial et al. Multipath delay estimations using matrix pencil
JP3935968B2 (ja) 方向推定方法
US20050111598A1 (en) Spatio-temporal joint searcher and channel estimators
KR100992432B1 (ko) 안테나 어레이를 구비한 무선통신 시스템에 이용되는조인트 검출 방법 및 기지국
WO2007029142A2 (en) Method and apparatus for estimating channel based on implicit training sequences
CN1481099A (zh) 匹配滤波器组码分多址多径信号波达方向估计方法和装置
RU2252493C2 (ru) Способ квазикогерентного приема многолучевого сигнала и устройство, его реализующее
Baltersee Smart antennas and space-time processing
Chen et al. Blind 2-D RAKE receivers based on RLS-type space-time adaptive filtering for DS-CDMA system
Zacharia et al. Low complexity Estimation of Fractional Delay-Doppler-Angle Parameters in MIMO-OTFS ISAC System
AU2002248233A1 (en) Method and apparatus for producing a channel estimate with reduced rank

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
ASS Succession or assignment of patent right

Owner name: CLUSTER CO., LTD.

Free format text: FORMER OWNER: TELEFONAKTIEBOLAGET LM ERICSSON (SE) S-126 25 STOCKHOLM, SWEDEN

Effective date: 20130709

Owner name: UNWIRED PLANET INC.

Free format text: FORMER OWNER: CLUSTER CO., LTD.

Effective date: 20130709

C41 Transfer of patent application or patent right or utility model
TR01 Transfer of patent right

Effective date of registration: 20130709

Address after: Nevada

Patentee after: Wireless Planet LLC

Address before: Delaware

Patentee before: Clastres LLC

Effective date of registration: 20130709

Address after: Delaware

Patentee after: Clastres LLC

Address before: Stockholm

Patentee before: Telefonaktiebolaget LM Ericsson

CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20101201

CF01 Termination of patent right due to non-payment of annual fee