DE69024525T2 - TDMA-Raumdiversity-Empfänger - Google Patents

TDMA-Raumdiversity-Empfänger

Info

Publication number
DE69024525T2
DE69024525T2 DE69024525T DE69024525T DE69024525T2 DE 69024525 T2 DE69024525 T2 DE 69024525T2 DE 69024525 T DE69024525 T DE 69024525T DE 69024525 T DE69024525 T DE 69024525T DE 69024525 T2 DE69024525 T2 DE 69024525T2
Authority
DE
Germany
Prior art keywords
tdma
diversity receiver
space diversity
space
receiver
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 - Lifetime
Application number
DE69024525T
Other languages
English (en)
Other versions
DE69024525D1 (de
Inventor
Kazuhiro Okanoue
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.)
NEC Corp
Original Assignee
NEC Corp
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 NEC Corp filed Critical NEC Corp
Publication of DE69024525D1 publication Critical patent/DE69024525D1/de
Application granted granted Critical
Publication of DE69024525T2 publication Critical patent/DE69024525T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
DE69024525T 1989-05-02 1990-04-30 TDMA-Raumdiversity-Empfänger Expired - Lifetime DE69024525T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11320289 1989-05-02

Publications (2)

Publication Number Publication Date
DE69024525D1 DE69024525D1 (de) 1996-02-15
DE69024525T2 true DE69024525T2 (de) 1996-05-15

Family

ID=14606141

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69024525T Expired - Lifetime DE69024525T2 (de) 1989-05-02 1990-04-30 TDMA-Raumdiversity-Empfänger

Country Status (5)

Country Link
US (1) US5127025A (de)
EP (1) EP0396101B1 (de)
AU (1) AU617942B2 (de)
CA (1) CA2015843C (de)
DE (1) DE69024525T2 (de)

Families Citing this family (51)

* 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.
CA2037824C (en) * 1990-03-20 1999-11-09 Hiroshi Kubo Diversity circuit and frame phase (or sampling timing) estimation circuit using the diversity circuit
US5335359A (en) * 1990-05-31 1994-08-02 Nec Corporation Diversity receiver using matched filter and decision feedback equalizer
DE4018044A1 (de) * 1990-06-06 1991-12-12 Philips Patentverwaltung Empfaenger mit mindestens zwei empfangszweigen
CA2048210C (en) * 1990-07-31 1995-11-28 Yukitsuna Furuya Blind type sequence estimator for use in communications system
DE4039245A1 (de) * 1990-12-08 1992-06-11 Philips Patentverwaltung Empfaenger mit mindestens zwei empfangszweigen
FR2670970B1 (fr) * 1990-12-21 1994-09-30 Alcatel Telspace Un systeme recepteur pour le traitement de signaux recus sur des voies de diversite.
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
JP2621685B2 (ja) * 1991-05-29 1997-06-18 日本電気株式会社 適応型最尤系列推定装置
US5289504A (en) * 1991-06-28 1994-02-22 Wilson Timothy J Signal decoding method using both signal and channel state information
CA2076099A1 (en) * 1991-09-03 1993-03-04 Howard Leroy Lester Automatic simulcast alignment
US5319677A (en) * 1992-05-12 1994-06-07 Hughes Aircraft Company Diversity combiner with MLSE for digital cellular radio
US5546429A (en) * 1992-11-09 1996-08-13 Motorola, Inc. Frequency hopping code division multiple access radio communication unit
US5430769A (en) * 1992-11-23 1995-07-04 Motorola, Inc. Method and apparatus for controlling switched antenna diversity systems
JP2605566B2 (ja) * 1992-12-25 1997-04-30 日本電気株式会社 適応型等化器
JPH07123257B2 (ja) * 1992-12-25 1995-12-25 日本電気株式会社 ディジタルデータ復調装置
US5363412A (en) * 1992-12-28 1994-11-08 Motorola, Inc. Method and apparatus of adaptive maximum likelihood sequence estimation using filtered correlation synchronization
US5581580A (en) * 1993-05-20 1996-12-03 Telefonaktiebolaget Lm Ericsson Low complexity model based channel estimation algorithm for fading channels
JP3111411B2 (ja) * 1993-06-15 2000-11-20 大英エレクトロニクス株式会社 擬周期系列を用いた通信方式
US5351274A (en) * 1993-08-20 1994-09-27 General Electric Company Post detection selection combining diversity receivers for mobile and indoor radio channels
US5440590A (en) * 1993-11-01 1995-08-08 Motorola, Inc. Method and apparatus for producing a usable signal from received diverse modulated signals
FI934875A (fi) * 1993-11-04 1995-05-05 Nokia Telecommunications Oy Menetelmä radiotaajuisten signaalien lähettämiseksi sekä TDMA-lähetinvastaanotin
JP2616440B2 (ja) * 1994-05-31 1997-06-04 日本電気株式会社 軟判定回路
KR970010242B1 (ko) * 1994-11-08 1997-06-23 엘지정보통신 주식회사 디지틀 통신시스팀의 판정에러 정정 방법 및 이를 실현하기 위한 디지틀 통신시스팀
US5748680A (en) * 1994-12-16 1998-05-05 Lucent Technologies Inc. Coarse frequency burst detector for a wireline communications system
US5577031A (en) * 1995-03-22 1996-11-19 Smith; Jeffrey W. Wideband channelizer incorporating diversity switch
FI105430B (fi) * 1995-05-24 2000-08-15 Nokia Networks Oy Tukiasemalaitteisto sekä menetelmä antennikeilan suuntaamiseksi
FI106668B (fi) * 1995-05-24 2001-03-15 Nokia Networks Oy Tukiasemalaitteisto sekä menetelmä antennikeilan suuntaamiseksi
FI105513B (fi) * 1995-05-24 2000-08-31 Nokia Networks Oy Vastaanottomenetelmä sekä vastaanotin
FI105512B (fi) 1995-05-24 2000-08-31 Nokia Networks Oy Menetelmä kulmatoisteen aikaansaamiseksi sekä tukiasemalaitteisto
FI110645B (fi) * 1995-06-30 2003-02-28 Nokia Corp Vastaanottomenetelmä ja tukiasemavastaanotin
US5742907A (en) * 1995-07-19 1998-04-21 Ericsson Inc. Automatic clear voice and land-line backup alignment for simulcast system
US5819182A (en) * 1995-11-13 1998-10-06 Pacific Communication Sciences, Inc. Method and apparatus for improving receiver performance in a land mobile communications system
US5838739A (en) * 1996-03-29 1998-11-17 Ericsson Inc. Channel estimator circuitry, and associated method, for a digital communication system
CA2264789A1 (en) * 1996-09-04 1998-03-12 Ascom Systec Ag Preamble for the assessment of channel impulse response in a antenna diversity system
JP2904196B2 (ja) * 1997-07-16 1999-06-14 日本ビクター株式会社 直交周波数分割多重信号のダイバーシティ受信装置
US6185258B1 (en) 1997-09-16 2001-02-06 At&T Wireless Services Inc. Transmitter diversity technique for wireless communications
CA2276207C (en) 1997-10-31 2003-02-18 At&T Wireless Services, Inc. Low complexity maximum likelihood detection of concatenated space codes for wireless applications
US6130909A (en) * 1998-01-16 2000-10-10 Transamerica Business Credit Corporation Method and apparatus for equalization in a diversity receiver
US6535721B1 (en) * 1998-09-30 2003-03-18 Qualcomm Incorporated Architecture for dependability enhancement of wireless base stations
FR2786048B1 (fr) * 1998-11-13 2001-01-12 France Telecom Dispositif et procede de reception a au moins deux voies de reception, et utilisation correspondante
US6088570A (en) * 1998-11-24 2000-07-11 Airnet Communications Corporation Method and apparatus employing delay elements in multiple diversity paths of a wireless system repeater translator to allow for selective diversity and automatic level control in a time-division multiple access system
JP2001111462A (ja) * 1999-10-06 2001-04-20 Nec Corp 遅延判定帰還型系列推定ダイバーシティ受信装置
WO2001078255A1 (en) * 2000-04-11 2001-10-18 Airnet Communications Corporation Method and apparatus employing delay combining for receive diversity in a wireless system repeater
IT1317249B1 (it) * 2000-04-14 2003-05-27 Cit Alcatel Metodo e apparato per la compensazione automatica del ritardo pertrasmissioni radio in diversita' di spazio.
JP2002043990A (ja) * 2000-07-21 2002-02-08 Mitsubishi Electric Corp 無線通信用受信装置
EP1206061B1 (de) * 2000-11-13 2009-06-17 Lucent Technologies Inc. Kanalschätzung für Raumdiversitätskommunikationssystemen
WO2002080480A1 (en) * 2001-03-28 2002-10-10 Broadcom Corporation System and method for terrestrial high-definition television reception
GB0420183D0 (en) * 2004-09-10 2004-10-13 Ttp Communications Ltd Metric calculation utilising pre-stored values
JP4478119B2 (ja) * 2005-05-25 2010-06-09 パナソニック株式会社 受信装置
WO2014122771A1 (ja) * 2013-02-08 2014-08-14 パイオニア株式会社 ダイバーシティ受信装置、ダイバーシティ受信方法、受信プログラム及び記録媒体

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3815028A (en) * 1972-08-09 1974-06-04 Itt Maximum-likelihood detection system
JPS54143009A (en) * 1978-04-28 1979-11-07 Kokusai Denshin Denwa Co Ltd Space diversity system for tdma communication system
US4278978A (en) * 1979-09-18 1981-07-14 Nasa Baseband signal combiner for large aperture antenna array
US4513412A (en) * 1983-04-25 1985-04-23 At&T Bell Laboratories Time division adaptive retransmission technique for portable radio telephones
JPS60214641A (ja) * 1984-04-10 1985-10-26 Nec Corp 時分割多方向通信のスペース・ダイバシティ通信方式
US4733402A (en) * 1987-04-23 1988-03-22 Signatron, Inc. Adaptive filter equalizer systems
US4884272A (en) * 1988-02-10 1989-11-28 Mcconnell Peter R H Maximum likelihood diversity receiver
IT1230284B (it) * 1989-06-15 1991-10-18 Italtel Spa Procedimento e dispositivo per la ricezione di segnali in sistemi radiomobili digitali.
CA2021232C (en) * 1989-07-17 1993-09-21 Hiroyasu Muto Diversity receiving system for use in digital radio communication with means for selecting branch by estimating propagation path property
WO1991008865A1 (en) * 1989-12-19 1991-06-27 John Arthur Holman Clamping mechanism for a workpiece

Also Published As

Publication number Publication date
EP0396101A3 (de) 1992-09-30
CA2015843C (en) 1994-07-26
EP0396101A2 (de) 1990-11-07
CA2015843A1 (en) 1990-11-02
EP0396101B1 (de) 1996-01-03
DE69024525D1 (de) 1996-02-15
AU617942B2 (en) 1991-12-05
US5127025A (en) 1992-06-30
AU5460590A (en) 1990-11-08

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition