[go: up one dir, main page]

DE69905039D1 - Zeitliche und räumliche entzerrung mittels choleskischer faktorisierung und systolischen matrizen - Google Patents

Zeitliche und räumliche entzerrung mittels choleskischer faktorisierung und systolischen matrizen

Info

Publication number
DE69905039D1
DE69905039D1 DE69905039T DE69905039T DE69905039D1 DE 69905039 D1 DE69905039 D1 DE 69905039D1 DE 69905039 T DE69905039 T DE 69905039T DE 69905039 T DE69905039 T DE 69905039T DE 69905039 D1 DE69905039 D1 DE 69905039D1
Authority
DE
Germany
Prior art keywords
cholesc
factorization
systolic
matrixes
temporal
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
DE69905039T
Other languages
English (en)
Other versions
DE69905039T2 (de
Inventor
Agostino Picciriello
Sabina Fanfoni
Umberto Spagnolini
Sergio Parolari
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.)
Siemens Holding SpA
Original Assignee
Siemens Mobile Communications SpA
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 Siemens Mobile Communications SpA filed Critical Siemens Mobile Communications SpA
Application granted granted Critical
Publication of DE69905039D1 publication Critical patent/DE69905039D1/de
Publication of DE69905039T2 publication Critical patent/DE69905039T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • H04B7/086—Weighted combining using weights depending on external parameters, e.g. direction of arrival [DOA], predetermined weights or beamforming
    • 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
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006—Arrangements for removing intersymbol interference
    • H04L25/03012—Arrangements for removing intersymbol interference operating in the time domain
    • H04L25/03019—Arrangements for removing intersymbol interference operating in the time domain adaptive, i.e. capable of adjustment during data reception
    • H04L25/03057—Arrangements for removing intersymbol interference operating in the time domain adaptive, i.e. capable of adjustment during data reception with a recursive structure
    • 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
    • H04B7/0802—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 antenna 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
    • H04B7/08—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
    • H04B7/0851—Joint weighting using training sequences or error 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
    • 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
    • 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
    • H04L2025/03433—Arrangements for removing intersymbol interference characterised by equaliser structure
    • H04L2025/03439—Fixed structures
    • H04L2025/03445—Time domain
    • H04L2025/03452—Systolic arrays

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Radio Transmission System (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Control Of Turbines (AREA)
  • Separation By Low-Temperature Treatments (AREA)
DE69905039T 1998-06-05 1999-06-03 Zeitliche und räumliche entzerrung mittels choleskischer faktorisierung und systolischen matrizen Expired - Fee Related DE69905039T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT98MI001280A ITMI981280A1 (it) 1998-06-05 1998-06-05 Metodo di rqualizzazione spaziale e temporale a convergenza rapida per la cancellazione di interferenti isofrequenziali stazionari e non
PCT/EP1999/003945 WO1999065160A1 (en) 1998-06-05 1999-06-03 Spatio-temporal equalisation using cholesky factorisation and systolic arrays

Publications (2)

Publication Number Publication Date
DE69905039D1 true DE69905039D1 (de) 2003-02-27
DE69905039T2 DE69905039T2 (de) 2003-10-16

Family

ID=11380190

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69905039T Expired - Fee Related DE69905039T2 (de) 1998-06-05 1999-06-03 Zeitliche und räumliche entzerrung mittels choleskischer faktorisierung und systolischen matrizen

Country Status (5)

Country Link
EP (1) EP1084536B1 (de)
CA (1) CA2334153A1 (de)
DE (1) DE69905039T2 (de)
IT (1) ITMI981280A1 (de)
WO (1) WO1999065160A1 (de)

Families Citing this family (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT410871B (de) * 1999-12-22 2003-08-25 Siemens Ag Oesterreich Verfahren zur auswertung der empfangssignale von n antennen eines mobilfunkempfängers und mobilfunkempfänger zur durchführung des verfahrens
AU2001259767A1 (en) 2000-05-15 2001-11-26 Virginia Tech Intellectual Properties, Inc. Method and system for overloaded array processing
DE10026076C2 (de) * 2000-05-25 2002-11-07 Siemens Ag Verfahren und Vorrichtung zum Auswerten eines Uplink-Funksignals
DE10032427A1 (de) * 2000-07-04 2002-01-24 Siemens Ag Verfahren und Vorrichtung zum Auswerten eines Funksignals
US6369757B1 (en) * 2000-07-05 2002-04-09 Neo Reach, Inc. Smart antenna with adaptive convergence parameter
WO2002021721A1 (de) * 2000-09-11 2002-03-14 Siemens Aktiengesellschaft Verfahren zum übertragen von strahlformungsinformation in einem funk-kommunikationssystem und stationen dafür
CN1129237C (zh) * 2000-11-15 2003-11-26 华为技术有限公司 无线通信系统中数字波束形成方法、模块及其阵列接收机
EP1215507A3 (de) * 2000-12-12 2002-08-28 Matsushita Electric Industrial Co., Ltd. Funkempfangspeilantennengerät und Sender-Empfänger mit variabler Richtcharakteristik
US6885338B2 (en) * 2000-12-29 2005-04-26 Lockheed Martin Corporation Adaptive digital beamformer coefficient processor for satellite signal interference reduction
US6470047B1 (en) * 2001-02-20 2002-10-22 Comsys Communications Signal Processing Ltd. Apparatus for and method of reducing interference in a communications receiver
FR2821217B1 (fr) * 2001-02-21 2003-04-25 France Telecom Procede et systeme de codage-decodage iteratif de flux de donnees numeriques codees par combinaisons spatio-temporelles, en emission et reception multiple
US6745052B2 (en) * 2001-07-27 2004-06-01 Qualcomm, Incorporated Method and apparatus for signal equalization in a communication system with multiple receiver antennas
US7031411B2 (en) * 2001-09-19 2006-04-18 Telefonaktiebolaget L.M. Ericsson Methods and apparatus for canceling co-channel interference in a receiving system using spatio-temporal whitening
WO2003055068A1 (en) * 2001-12-21 2003-07-03 Nokia Corporation A method for signal estimation in a receiver
US7133477B2 (en) 2002-01-02 2006-11-07 Intel Corporation Robust low complexity multi-antenna adaptive minimum mean square error equalizer
FR2838582B1 (fr) 2002-04-12 2004-05-21 Commissariat Energie Atomique Procede et dispositif de detection de donnees transmises par etalement de spectre
JP4509929B2 (ja) * 2003-06-13 2010-07-21 株式会社エヌ・ティ・ティ・ドコモ プレフィルタおよびポストフィルタの係数の同時最適化
GB0525161D0 (en) 2005-12-09 2006-01-18 Airspan Networks Inc Antenna system for wireless communications
US8150345B2 (en) 2008-03-31 2012-04-03 Qualcomm Incorporated Simplified interference suppression in multi-antenna receivers
WO2010027865A2 (en) 2008-08-26 2010-03-11 Marvell World Trade Ltd. Beamforming by sector sweeping
US8184052B1 (en) 2008-09-24 2012-05-22 Marvell International Ltd. Digital beamforming scheme for phased-array antennas
US8335167B1 (en) 2009-02-02 2012-12-18 Marvell International Ltd. Refining beamforming techniques for phased-array antennas
US9178593B1 (en) 2009-04-21 2015-11-03 Marvell International Ltd. Directional channel measurement and interference avoidance
ES2353178B1 (es) * 2010-08-10 2011-10-13 Insa, Ingenieria Y Servicios Aeroespaciales, S.A. Metodo y sistema de cancelacion de interferencias y acoplos en la señal recibida por un array de antenas con acoplos electromagneticos.
CN106454870B (zh) * 2015-08-05 2019-06-21 北京信威通信技术股份有限公司 一种二维天线阵列的波束合成方法
CN110445525B (zh) * 2019-08-14 2023-05-05 西安宇飞电子技术有限公司 一种多径信道下时域均衡波束赋形方法
CN112304309B (zh) * 2020-10-21 2022-10-04 西北工业大学 一种基于心动阵列的高超飞行器组合导航信息解算方法
WO2024023933A1 (ja) * 2022-07-26 2024-02-01 日本電信電話株式会社 アンテナ装置
CN116470944B (zh) * 2023-04-21 2025-07-22 乐鑫信息科技（上海）股份有限公司 一种天线选择方法
CN117031390B (zh) * 2023-08-11 2024-11-12 哈尔滨工程大学 一种基于天线互耦的无网格doa估计方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2219106B (en) * 1988-05-26 1992-04-15 Secr Defence Processor for constrained least squares computations
US5790598A (en) * 1996-03-01 1998-08-04 Her Majesty The Queen In Right Of Canada Block decision feedback equalizer
IL130034A (en) * 1996-11-26 2003-04-10 Trw Inc Cochannel signal processing system

Also Published As

Publication number Publication date
CA2334153A1 (en) 1999-12-16
EP1084536A1 (de) 2001-03-21
EP1084536B1 (de) 2003-01-22
DE69905039T2 (de) 2003-10-16
WO1999065160A1 (en) 1999-12-16
ITMI981280A1 (it) 1999-12-05

Similar Documents

Publication Publication Date Title
DE69905039D1 (de) Zeitliche und räumliche entzerrung mittels choleskischer faktorisierung und systolischen matrizen
DE60137559D1 (de) Räumliche und Zeitliche Entzerrer und Entzerrungsverfahren
DE59913730D1 (de) Herztherapiegerät
DE19781940T1 (de) Mittelohrwandler
ID20143A (id) Peralatan akustik
ID20762A (id) Peralatan pengeras suara
NO991150D0 (no) Pyrazolopyrimidiner og pyrazolotriaziner
NO20010446D0 (no) Substituert anilidforbindelser og metoder
DE59905321D1 (de) Haarnachbehandlungsmittel
DE69921571D1 (de) Massagegerät
DK0961609T3 (da) Fremgangsmåde til forbedring af sundhedstilstanden af hår og hovedbund
DE60000356D1 (de) Haltebügel
DE69904710D1 (de) Bürste- und abstandhalteranordnung
PT1178981E (pt) 3-piridil-4-arilpirrois substituidos e metodos terapeuticos e profilacticos
DE69914747D1 (de) Eingegossenes lautsprechergitter
IT246985Y1 (it) Dispositivo per massaggi perfezionato
IT1296342B1 (it) Apparecchiatura elettromedicale
NO20014743D0 (no) Insektvirusvektorer og anvendelse derav
FI956081A7 (fi) Maanmuokkauslaite
ID24537A (id) Peralatan pemasang pengeras suara
ITBS970096V0 (it) Soffione laterale orientabile regolabile e chiudibile per cabine doccia e simili
IT1299811B1 (it) Dispositivo massaggiante
NO985076D0 (no) Terapeutisk sitteredskap
DK1033179T3 (da) Elektroakustisk transducerarrangement
DE59703034D1 (de) Rüttlelegge

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee