CS560890A3 - Method and apparatus for the reception of signals scattered in time - Google Patents

Method and apparatus for the reception of signals scattered in time Download PDF

Info

Publication number
CS560890A3
CS560890A3 CS905608A CS560890A CS560890A3 CS 560890 A3 CS560890 A3 CS 560890A3 CS 905608 A CS905608 A CS 905608A CS 560890 A CS560890 A CS 560890A CS 560890 A3 CS560890 A3 CS 560890A3
Authority
CS
Czechoslovakia
Prior art keywords
signal
received
time
scattered
branch
Prior art date
Application number
CS905608A
Other languages
Czech (cs)
English (en)
Inventor
Gerald P Labedz
Frederik G Atkinson
Duane C Rabe
Joseph J Schuler
Alton P Werronen
Original Assignee
Motorola 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 Motorola Inc filed Critical Motorola Inc
Publication of CS560890A3 publication Critical patent/CS560890A3/cs

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
    • 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
    • H04B7/0845—Weighted combining per branch equalization, e.g. by an FIR-filter or RAKE receiver per antenna branch
    • 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
    • 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
    • H04B7/084—Equal gain combining, only phase adjustments
    • 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
    • H04B7/0882—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 post-detection diversity
    • H04B7/0888—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 post-detection diversity with selection

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Radio Transmission System (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
CS905608A 1989-11-13 1990-11-13 Method and apparatus for the reception of signals scattered in time CS560890A3 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/435,650 US5031193A (en) 1989-11-13 1989-11-13 Method and apparatus for diversity reception of time-dispersed signals

Publications (1)

Publication Number Publication Date
CS560890A3 true CS560890A3 (en) 1992-04-15

Family

ID=23729244

Family Applications (1)

Application Number Title Priority Date Filing Date
CS905608A CS560890A3 (en) 1989-11-13 1990-11-13 Method and apparatus for the reception of signals scattered in time

Country Status (12)

Country Link
US (1) US5031193A (fr)
EP (1) EP0430481A3 (fr)
JP (1) JP2715662B2 (fr)
KR (1) KR950012827B1 (fr)
CN (1) CN1017858B (fr)
AU (1) AU638785B2 (fr)
CA (1) CA2065739C (fr)
CS (1) CS560890A3 (fr)
MX (1) MX167843B (fr)
PL (1) PL167072B1 (fr)
PT (1) PT95871B (fr)
WO (1) WO1991007829A1 (fr)

Families Citing this family (110)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1230284B (it) * 1989-06-15 1991-10-18 Italtel Spa Procedimento e dispositivo per la ricezione di segnali in sistemi radiomobili digitali.
DE4001592A1 (de) * 1989-10-25 1991-05-02 Philips Patentverwaltung Empfaenger fuer digitales uebertragungssystem
JPH03155228A (ja) * 1989-11-14 1991-07-03 Toshiba Corp ダイバーシティ受信装置
SE465245B (sv) * 1989-12-22 1991-08-12 Ericsson Telefon Ab L M Foerfarande att utfoera kanalestimering foer en faedande kanal vid oeverfoering av symbolsekvenser
SE465597B (sv) * 1990-02-16 1991-09-30 Ericsson Telefon Ab L M Foerfarande att reducera inverkan av faedning hos en viterbimottagare med minst tvaa antenner
CA2037824C (fr) * 1990-03-20 1999-11-09 Hiroshi Kubo Circuit fonctionnant en diversite et circuit d'evaluation de la phase de trame (ou du temps d'echantillonnage) utilisant ce circuit
DE69129768T2 (de) * 1990-03-30 1999-02-25 Nec Corp Störungsunempfindlicher Raumdiversityempfänger
US5335359A (en) * 1990-05-31 1994-08-02 Nec Corporation Diversity receiver using matched filter and decision feedback equalizer
DE4039245A1 (de) * 1990-12-08 1992-06-11 Philips Patentverwaltung Empfaenger mit mindestens zwei empfangszweigen
US5251233A (en) * 1990-12-20 1993-10-05 Motorola, Inc. Apparatus and method for equalizing a corrupted signal in a receiver
IT1244906B (it) * 1991-01-23 1994-09-13 Vitroselenia Spa Ponte radio mobile a banda estesa per ambienti a riflessione multipla ed elevata capacita'.
JP2643614B2 (ja) * 1991-02-22 1997-08-20 日本電気株式会社 ディジタル移動通信端末装置
DE4108806C1 (fr) * 1991-03-18 1992-01-30 Litef Gmbh, 7800 Freiburg, De
EP0515761A1 (fr) * 1991-05-31 1992-12-02 International Business Machines Corporation Procédé et dispositif pour l'égalisation adaptative d'un signal dans un équipement de terminaison de circuit de données
US5263026A (en) * 1991-06-27 1993-11-16 Hughes Aircraft Company Maximum likelihood sequence estimation based equalization within a mobile digital cellular receiver
US5289504A (en) * 1991-06-28 1994-02-22 Wilson Timothy J Signal decoding method using both signal and channel state information
US5297186A (en) * 1991-07-29 1994-03-22 Codex Corporation Device and method for on-line adaptive selection of baud rate and carrier frequency
CA2074889C (fr) * 1991-07-30 1997-12-09 Motoya Iwasaki Detecteur d'erreurs de frequence de porteuse de precision
US5299235A (en) * 1991-09-10 1994-03-29 Telefonaktiebolaget L M Ericsson Time synchronization of a receiver in a digital radio telephone system
US5280637A (en) * 1991-09-18 1994-01-18 Motorola, Inc. Phase combining method and apparatus for use in a diversity receiver
IL100029A (en) * 1991-11-11 1994-02-27 Motorola Inc Method and apparatus for improving detection of data bits in a slow frequency hopping communication system
JPH05159462A (ja) * 1991-12-03 1993-06-25 Canon Inc 情報伝送または記録方法、情報記録再生装置および情報伝送装置
GB2271249B (en) * 1992-03-02 1995-11-01 Motorola Inc Clock recovery method and apparatus in a diversity receiver
US5710798A (en) * 1992-03-12 1998-01-20 Ntp Incorporated System for wireless transmission and receiving of information and method of operation thereof
US5717725A (en) * 1992-03-12 1998-02-10 Ntp Incorporated System for wireless transmission and receiving of information through a computer bus interface and method of operation
US5745532A (en) * 1992-03-12 1998-04-28 Ntp Incorporated System for wireless transmission and receiving of information and method of operation thereof
US6272190B1 (en) 1992-03-12 2001-08-07 Ntp Incorporated System for wireless transmission and receiving of information and method of operation thereof
US5265122A (en) * 1992-03-19 1993-11-23 Motorola, Inc. Method and apparatus for estimating signal weighting parameters in a diversity receiver
US5577068A (en) * 1992-06-08 1996-11-19 Ericsson Ge Mobile Communications Inc. Generalized direct update viterbi equalizer
US5621769A (en) * 1992-06-08 1997-04-15 Novatel Communications Ltd. Adaptive-sequence-estimation apparatus employing diversity combining/selection
SE470371B (sv) * 1992-06-23 1994-01-31 Ericsson Telefon Ab L M Sätt och anordning vid digital signalöverföring att hos en mottagare estimera överförda symboler
SE470372B (sv) * 1992-06-23 1994-01-31 Ericsson Telefon Ab L M Metod jämte anordning att uppskatta kvaliten vid ramfelsdetektering i mottagaren hos ett radiokommunikationssystem
JP2780576B2 (ja) * 1992-08-05 1998-07-30 日本電気株式会社 干渉波除去装置
US5841816A (en) * 1992-10-22 1998-11-24 Ericsson Inc. Diversity Pi/4-DQPSK demodulation
US5546429A (en) * 1992-11-09 1996-08-13 Motorola, Inc. Frequency hopping code division multiple access radio communication unit
US5325403A (en) * 1992-12-09 1994-06-28 Motorola, Inc. Method and apparatus for dual-channel diversity reception of a radio signal
US5289499A (en) * 1992-12-29 1994-02-22 At&T Bell Laboratories Diversity for direct-sequence spread spectrum systems
US5402451A (en) * 1993-01-11 1995-03-28 Hughes Aircraft Company Digital post-detection FM spatial diversity combination circuit
KR960011125B1 (ko) * 1993-01-30 1996-08-20 삼성전자 주식회사 시분할 다중 통신 채널용 디지탈 복조 회로
KR100332607B1 (ko) * 1993-02-05 2002-10-04 니뽄 덴신 덴와 가부시키가이샤 랜덤fm잡음제거회로
US5390166A (en) * 1993-07-14 1995-02-14 Motorola, Inc. Method for recovering a data signal using diversity in a radio frequency, time division multiple access communication system
DE4326843C2 (de) * 1993-08-10 1997-11-20 Hirschmann Richard Gmbh Co Empfangsverfahren und Empfangsantennensystem zur Beseitigung von Mehrwegstörungen bzw. Steuergerät zur Durchführung dieses Verfahrens
US5504786A (en) * 1993-10-05 1996-04-02 Pacific Communication Sciences, Inc. Open loop phase estimation methods and apparatus for coherent combining of signals using spatially diverse antennas in mobile channels
US5563918A (en) * 1993-12-17 1996-10-08 Rockwell International Method of selecting optimum frequency in skywave communication apparatus
FI941072A (fi) * 1994-03-07 1995-09-08 Nokia Mobile Phones Ltd Tiedonsiirtomenetelmä, lähetin sekä vastaanotin
CN1235436C (zh) * 1994-05-20 2006-01-04 Ntt移动通信网株式会社 移动通信方法和使用可靠性信息的基站侧子系统装置
US5499272A (en) * 1994-05-31 1996-03-12 Ericsson Ge Mobile Communications Inc. Diversity receiver for signals with multipath time dispersion
EP0763307A2 (fr) * 1994-06-03 1997-03-19 Telefonaktiebolaget Lm Ericsson Systeme de combinaison en diversite pour antennes
JP2561031B2 (ja) * 1994-06-07 1996-12-04 日本電気株式会社 送受信装置
US5844951A (en) * 1994-06-10 1998-12-01 Northeastern University Method and apparatus for simultaneous beamforming and equalization
US5481572A (en) * 1994-08-02 1996-01-02 Ericsson Inc. Method of and apparatus for reducing the complexitiy of a diversity combining and sequence estimation receiver
US6173014B1 (en) 1994-08-02 2001-01-09 Telefonaktiebolaget Lm Ericsson Method of and apparatus for interference rejection combining and downlink beamforming in a cellular radio communications system
US6081566A (en) * 1994-08-02 2000-06-27 Ericsson, Inc. Method and apparatus for interference rejection with different beams, polarizations, and phase references
US5680419A (en) * 1994-08-02 1997-10-21 Ericsson Inc. Method of and apparatus for interference rejection combining in multi-antenna digital cellular communications systems
DE4427755A1 (de) * 1994-08-05 1996-02-08 Sel Alcatel Ag Ortsfeste oder mobile Funkstation für ein SDMA-Mobilfunksystem
US5614914A (en) * 1994-09-06 1997-03-25 Interdigital Technology Corporation Wireless telephone distribution system with time and space diversity transmission for determining receiver location
AU3215695A (en) * 1994-09-09 1996-03-27 Motorola, Inc. Diversity receiver with combiner for equalization and diversity transmitter with splitter and delay
US5697084A (en) * 1994-09-16 1997-12-09 Bose Corporation Reducing multipath fading using adaptive filtering
US5553102A (en) * 1994-12-01 1996-09-03 Motorola, Inc. Diversity reception communication system with maximum ratio combining method
GB9424341D0 (en) * 1994-12-02 1995-01-18 Philips Electronics Uk Ltd Receiver diversity
JP3482722B2 (ja) * 1995-01-13 2004-01-06 ソニー株式会社 Ｔｄｍａ方式の受信機
DE19509601A1 (de) * 1995-03-16 1996-09-26 Siemens Ag Verfahren und Anordnung zum Entzerren von empfangenen Datensignalen
FI98578C (fi) * 1995-04-24 1997-07-10 Nokia Technology Gmbh Menetelmä ja piirijärjestely tiedonsiirtosignaalin viivästyneiden komponenttien kompensoimiseksi
US6215983B1 (en) * 1995-06-02 2001-04-10 Trw Inc. Method and apparatus for complex phase equalization for use in a communication system
SE503648C2 (sv) * 1995-06-12 1996-07-22 Ericsson Telefon Ab L M Anordning och förfarande för mottagning och demodulering av olika signaltyper i en basstation
US5907555A (en) * 1995-10-18 1999-05-25 Telefonaktiebolaget Lm Ericsson Method for compensating for time dispersion in a communication system
US5940452A (en) * 1995-11-29 1999-08-17 Motorola, Inc. Dual mode radio subscriber unit having a diversity receiver apparatus and method therefor
US6014570A (en) * 1995-12-18 2000-01-11 The Board Of Trustees Of The Leland Stanford Junior University Efficient radio signal diversity combining using a small set of discrete amplitude and phase weights
US5787131A (en) * 1995-12-22 1998-07-28 Ericsson Inc. Method and apparatus for mitigation of self interference using array processing
DE19604772C2 (de) * 1996-02-09 2002-08-29 Siemens Ag Verfahren zur Parametrierung einer Empfangseinrichtung, sowie entsprechende Empfangseinrichtung und Funkstation
US5796777A (en) * 1996-02-27 1998-08-18 Motorola, Inc. Apparatus and method for digitizing and detecting a received radio frequency signal
US5796788A (en) * 1996-04-19 1998-08-18 Ericsson Inc. Method and apparatus for interference decorrelation in time and space
FI100561B (fi) * 1996-04-26 1997-12-31 Nokia Telecommunications Oy Yhteyden laadun estimointimenetelmä, diversiteettiyhdistelymenetelmä s ekä vastaanotin
JP3624547B2 (ja) * 1996-05-21 2005-03-02 ソニー株式会社 バースト信号受信方法及び装置
US6498929B1 (en) * 1996-06-21 2002-12-24 Kabushiki Kaisha Toshiba Receiver having DC offset decreasing function and communication system using the same
CA2180924C (fr) * 1996-07-10 2003-04-08 Adnan Abu-Dayya Reduction du brouillage sur canal commun pour signaux de liaison en diversite
US5822380A (en) * 1996-08-12 1998-10-13 Ericsson Inc. Apparatus and method for joint channel estimation
US5768307A (en) * 1996-09-13 1998-06-16 Telefonaktiebolaget Lm Ericsson Coherent demodulation with decision-directed channel estimation for digital communication
US5905757A (en) * 1996-10-04 1999-05-18 Motorola, Inc. Filter co-processor
US7190720B2 (en) * 2001-07-03 2007-03-13 Zenith Electronics Corporation Tap weight initializer for an adaptive equalizer
US6172970B1 (en) * 1997-05-05 2001-01-09 The Hong Kong University Of Science And Technology Low-complexity antenna diversity receiver
US5894494A (en) * 1997-10-29 1999-04-13 Golden Bridge Technology, Inc. Parallel correlator architecture for synchronizing direct sequence spread-spectrum signals
SE522587C2 (sv) 1998-02-16 2004-02-24 Ericsson Telefon Ab L M Förfarande och mottagaranordning för mottagning av upprepade skurar i ett radiokommunikationssystem
DE19810558A1 (de) * 1998-03-11 1999-09-16 Siemens Ag Integrierbare Funkempfängerschaltung für frequenzmodulierte digitale Signale
US6236844B1 (en) * 1998-06-23 2001-05-22 Visteon Global Technologies, Inc. Proportional diversity radio receiver system
US6271780B1 (en) * 1998-10-08 2001-08-07 Cirrus Logic, Inc. Gain ranging analog-to-digital converter with error correction
EP1177638B1 (fr) 1999-05-10 2004-08-04 Infineon Technologies AG Circuit recepteur pour terminal de communication et procede de traitement de signaux dans un circuit recepteur
US6560299B1 (en) * 1999-07-30 2003-05-06 Christopher H Strolle Diversity receiver with joint signal processing
US6470192B1 (en) 1999-08-16 2002-10-22 Telefonaktiebolaget Lm Ericcson (Publ) Method of an apparatus for beam reduction and combining in a radio communications system
US6760366B1 (en) * 1999-11-29 2004-07-06 Qualcomm Incorporated Method and apparatus for pilot search using a matched filter
US6954489B2 (en) * 2001-01-02 2005-10-11 Telefonaktiebolaget L M Ericsson (Publ) Determining correlations of received sequences to multiple known sequences in a communications system
CA2398057C (fr) 2001-08-15 2011-07-19 Raytheon Company Combinaison d'images de signaux conformement aux rapports signal-bruit
US7173992B2 (en) * 2001-12-11 2007-02-06 Sasken Communication Technologies Limited Method for synchronization in wireless systems using receive diversity
AU2003203650A1 (en) 2002-01-18 2003-08-07 Raytheon Company Combining signals exhibiting multiple types of diversity
GB2417648B (en) * 2002-01-18 2006-08-30 Raytheon Co Combining signals exhibiting multiple types of diversity
EP1557962A4 (fr) * 2002-10-28 2011-06-15 Mitsubishi Electric Corp Dispositif de reception en diversite et procede correspondant
JP3973543B2 (ja) * 2002-11-20 2007-09-12 三洋電機株式会社 受信方法と装置
GB0227626D0 (en) * 2002-11-27 2003-01-08 Koninkl Philips Electronics Nv Low complexity equalizer for radio receiver
KR100556401B1 (ko) * 2003-12-04 2006-03-03 엘지전자 주식회사 Ｖｓｂ 수신 시스템의 등화 장치
GB2415113B (en) * 2004-06-12 2006-10-18 Sonardyne Internat Ltd Robust underwater communication system
US7778615B2 (en) 2006-06-29 2010-08-17 Nokia Corporation Signal level estimation in radio communication system
US7599454B2 (en) 2006-07-24 2009-10-06 Telefonaktiebolaget Lm Ericsson (Publ) Method and apparatus for symbol alignment in diversity signal reception
US8295418B2 (en) * 2007-03-15 2012-10-23 Qualcomm Incorporated Adjacent channel interference detection for wireless communication
EP2153543B1 (fr) 2007-06-01 2017-04-05 Nextivity, Inc. Amplificateur à courte portée ayant de multiples antennes
KR100893736B1 (ko) * 2007-09-20 2009-04-17 한국전자통신연구원 광대역 단일 반송파 이동통신용 채널 사운딩 시스템 및방법
US10020912B2 (en) * 2013-03-13 2018-07-10 Sans R&D, Llc Method and a system for a receiver design in bandwidth constrained communication systems
CN103763037B (zh) * 2013-12-17 2017-02-22 记忆科技(深圳)有限公司 一种动态补偿接收器及动态补偿接收方法
EP3322998B1 (fr) * 2015-09-14 2020-02-26 Red Point Positioning Corporation Procédé pour estimer et compenser l'influence d'une observation indirecte dans le cadre de l'estimation d'une différence entre les temps d'arrivée
JP6249029B2 (ja) * 2016-03-08 2017-12-20 Ｎｔｔエレクトロニクス株式会社 データ位相追従装置、データ位相追従方法及び通信装置
CN115277331B (zh) * 2022-06-17 2023-09-12 哲库科技(北京)有限公司 信号补偿方法及装置、调制解调器、通信设备、存储介质

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3633107A (en) * 1970-06-04 1972-01-04 Bell Telephone Labor Inc Adaptive signal processor for diversity radio receivers
US4112370A (en) * 1976-08-06 1978-09-05 Signatron, Inc. Digital communications receiver for dual input signal
JPS5927133B2 (ja) * 1979-02-21 1984-07-03 日本電気株式会社 適応型受信機
US4281411A (en) * 1979-06-25 1981-07-28 Signatron, Inc. High speed digital communication receiver
US4328585A (en) * 1980-04-02 1982-05-04 Signatron, Inc. Fast adapting fading channel equalizer
FI844810A0 (fi) * 1984-12-05 1984-12-05 Nokia Oy Ab Foerfarande foer mottagning och detektering av digitala signaler.
US4733402A (en) * 1987-04-23 1988-03-22 Signatron, Inc. Adaptive filter equalizer systems
US4829543A (en) * 1987-12-04 1989-05-09 Motorola, Inc. Phase-coherent TDMA quadrature receiver for multipath fading channels
DE69129768T2 (de) * 1990-03-30 1999-02-25 Nec Corp Störungsunempfindlicher Raumdiversityempfänger

Also Published As

Publication number Publication date
KR950012827B1 (ko) 1995-10-21
KR920704448A (ko) 1992-12-19
JP2715662B2 (ja) 1998-02-18
AU638785B2 (en) 1993-07-08
MX167843B (es) 1993-04-15
EP0430481A2 (fr) 1991-06-05
US5031193A (en) 1991-07-09
AU6887891A (en) 1991-06-13
CN1052014A (zh) 1991-06-05
PL167072B1 (pl) 1995-07-31
PT95871A (pt) 1992-10-30
EP0430481A3 (en) 1992-09-09
PT95871B (pt) 1999-03-31
JPH05501789A (ja) 1993-04-02
PL287739A1 (en) 1991-07-29
CA2065739C (fr) 1996-09-24
CN1017858B (zh) 1992-08-12
CA2065739A1 (fr) 1991-05-14
WO1991007829A1 (fr) 1991-05-30

Similar Documents

Publication Publication Date Title
CS560890A3 (en) Method and apparatus for the reception of signals scattered in time
CA2036423C (fr) Methode pour reduire l'effet du a l'evanouissement dans un recepteur viterbi a antennes multiples
US4733402A (en) Adaptive filter equalizer systems
US4271525A (en) Adaptive diversity receiver for digital communications
CA2083304C (fr) Egalisation et decodage pour canal de communication numerique
EP1135908B1 (fr) Caracterisation adaptative d'un canal a partir de symboles decodes
US7110795B2 (en) Radio apparatus, method for receiving its signal, method for measuring its filter coefficient, and program for measuring its filter coefficient
US5727032A (en) Method and device for estimating transmitted signals in a receiver in digital signal transmission operations
US5553102A (en) Diversity reception communication system with maximum ratio combining method
US5109392A (en) Diversity receiver arrangement for digital signals
US5195106A (en) Method for channel adaptive detecting/equalize
EP0793359A2 (fr) Procédé et dispositif d'égalisation à décision récursive par blocs avec algorithme de Cholesky
US5434889A (en) Receiver comprising an arrangement for estimating a frequency deviation
US20020039391A1 (en) Cellular communications system receivers
CA2229182A1 (fr) Unite emettrice-receptrice a egalisation bidirectionnelle
US5479450A (en) Digital data demodulating apparatus
EP1010260B1 (fr) Combinaison de rejet des bruits compatible avec une correction de frequence
US7274715B2 (en) Method and apparatus for automatic delay compensation in space diversity radio transmissions
KR20000062638A (ko) 전송 채널의 복소 이득을 추정하는 시스템
US20040049717A1 (en) Frequency error detector and combiner in receiving end of mobile communication system
Kaasila et al. Bit-error probability for an adaptive diversity receiver in a Rayleigh-fading channel
US6763077B1 (en) Receiving apparatus and array combining method
SI9012143A (sl) Postopek in aparat za raznoterosten sprejem časovno dispergiranih signalov
JP3231249B2 (ja) 伝搬路推定器