DE69934041D1 - Spreizspektrumempfangsgerät mit Pfad- und Raumdiversität - Google Patents

Spreizspektrumempfangsgerät mit Pfad- und Raumdiversität

Info

Publication number
DE69934041D1
DE69934041D1 DE69934041T DE69934041T DE69934041D1 DE 69934041 D1 DE69934041 D1 DE 69934041D1 DE 69934041 T DE69934041 T DE 69934041T DE 69934041 T DE69934041 T DE 69934041T DE 69934041 D1 DE69934041 D1 DE 69934041D1
Authority
DE
Germany
Prior art keywords
path
receiving device
spread spectrum
space diversity
spectrum receiving
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
DE69934041T
Other languages
English (en)
Other versions
DE69934041T2 (de
Inventor
Hiroki Shoki
Yasuo Suzuki
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.)
Toshiba Corp
Original Assignee
Toshiba 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 Toshiba Corp filed Critical Toshiba Corp
Publication of DE69934041D1 publication Critical patent/DE69934041D1/de
Application granted granted Critical
Publication of DE69934041T2 publication Critical patent/DE69934041T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/69—Spread spectrum techniques
    • H04B1/707—Spread spectrum techniques using direct sequence modulation
    • H04B1/7097—Interference-related aspects
    • H04B1/711—Interference-related aspects the interference being multi-path interference
    • H04B1/7115—Constructive combining of multi-path signals, i.e. RAKE receivers
    • 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
    • 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
    • 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
    • H04B7/10—Polarisation diversity; Directional diversity

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Radio Transmission System (AREA)
  • Mobile Radio Communication Systems (AREA)
DE1999634041 1998-03-13 1999-03-12 Spreizspektrumempfangsgerät mit Pfad- und Raumdiversität Expired - Fee Related DE69934041T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP06262298 1998-03-13
JP6262298A JP3967452B2 (ja) 1998-03-13 1998-03-13 スペクトラム拡散無線伝送受信装置

Publications (2)

Publication Number Publication Date
DE69934041D1 true DE69934041D1 (de) 2007-01-04
DE69934041T2 DE69934041T2 (de) 2007-03-08

Family

ID=13205613

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1999634041 Expired - Fee Related DE69934041T2 (de) 1998-03-13 1999-03-12 Spreizspektrumempfangsgerät mit Pfad- und Raumdiversität

Country Status (4)

Country Link
US (1) US6480526B1 (de)
EP (1) EP0942540B1 (de)
JP (1) JP3967452B2 (de)
DE (1) DE69934041T2 (de)

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6584144B2 (en) * 1997-02-24 2003-06-24 At&T Wireless Services, Inc. Vertical adaptive antenna array for a discrete multitone spread spectrum communications system
US6359923B1 (en) * 1997-12-18 2002-03-19 At&T Wireless Services, Inc. Highly bandwidth efficient communications
KR100294711B1 (ko) * 1999-03-15 2001-07-12 서평원 최적의 파일럿 심볼을 이용한 프레임 동기 방법
US6721299B1 (en) * 1999-03-15 2004-04-13 Lg Information & Communications, Ltd. Pilot signals for synchronization and/or channel estimation
US7012906B1 (en) * 1999-03-15 2006-03-14 Lg Information & Communications, Ltd. Pilot signals for synchronization and/or channel estimation
US7643540B2 (en) * 1999-03-15 2010-01-05 Lg Electronics Inc. Pilot signals for synchronization and/or channel estimation
US6791960B1 (en) 1999-03-15 2004-09-14 Lg Information And Communications, Ltd. Pilot signals for synchronization and/or channel estimation
US7496132B2 (en) * 1999-03-15 2009-02-24 Kg Electronics Inc. Pilot signals for synchronization and/or channel estimation
EP1104121A1 (de) * 1999-11-23 2001-05-30 Siemens Aktiengesellschaft Funkstation zum Empfang von Signalen unter Verwendung von Antennen-Diversität und RAKE-Empfänger
FI19992734A (fi) * 1999-12-20 2001-06-21 Nokia Networks Oy Menetelmä hajaspektrisignaalin vastaanottamiseksi ja vastaanotin
EP1117186A1 (de) * 2000-01-14 2001-07-18 Lucent Technologies Inc. Adaptiver Kodenachlauf-RAKE-Empfänger für CDMA-Nachrichtenübertragung
EP1117185A1 (de) 2000-01-14 2001-07-18 Lucent Technologies Inc. Verfahren und RAKE-Empfänger zur Kodenachführung in einem CDMA-Nachrichtenübertragungssystem
US6754511B1 (en) 2000-02-04 2004-06-22 Harris Corporation Linear signal separation using polarization diversity
EP1130792A1 (de) * 2000-03-03 2001-09-05 Lucent Technologies Inc. Verfahren und Rake-empfänger für Phasenvektorschätzung in Kommunikationssystemen
EP1162755B1 (de) * 2000-06-06 2006-05-17 Lucent Technologies Inc. Kodeangepasstes Filter für einen CDMA Funk-Diversity-Empfänger
JP3464645B2 (ja) * 2000-08-30 2003-11-10 松下電器産業株式会社 無線受信装置
US6448547B1 (en) * 2001-01-24 2002-09-10 Applied Optoelectronics, Inc. Method for determining photodiode performance parameters
FR2833784B1 (fr) * 2001-12-18 2004-02-13 Thales Sa Procede d'antibrouillage pour recepteur de signaux radioelectriques a spectre etale
FI20021000A0 (fi) * 2002-05-28 2002-05-28 Nokia Corp Pilotti radiojärjestelmässä
FR2845540B1 (fr) * 2002-10-03 2005-06-24 Cit Alcatel Procede de reception de signaux dans un systeme de telecommunications a repeteurs terrestres presentant une source complementaire
CN100499397C (zh) * 2002-12-04 2009-06-10 皇家飞利浦电子股份有限公司 无线通信系统中的延迟分集
US20050043045A1 (en) * 2003-08-18 2005-02-24 Lucent Technologies, Inc. Uplink timing in a wireless communications system
JP4494250B2 (ja) * 2005-02-18 2010-06-30 株式会社エヌ・ティ・ティ・ドコモ 受信装置
JP4507909B2 (ja) * 2005-02-21 2010-07-21 株式会社日立製作所 チャネル密度を適応的に制御する基地局装置、および制御方法
US8515378B2 (en) * 2009-06-15 2013-08-20 Agc Automotive Americas R&D, Inc. Antenna system and method for mitigating multi-path effect
US8855172B2 (en) * 2011-12-09 2014-10-07 Telefonaktiebolaget Lm Ericsson (Publ) Non-redundant equalization
WO2014149201A1 (en) 2013-03-15 2014-09-25 Agc Automotive Americas R& D, Inc. Window assembly with transparent regions having a perfoormance enhancing slit formed therein
EP3276378B1 (de) * 2016-07-25 2020-10-14 ADVA Optical Networking SE Vorrichtung und verfahren zur extraktion von zeitinformationen aus einem funksignal

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3889403T2 (de) * 1987-09-24 1994-09-29 Fujitsu Ltd Identifizierungssystem mit Funkfrequenzen.
US5513176A (en) * 1990-12-07 1996-04-30 Qualcomm Incorporated Dual distributed antenna system
FR2699008B1 (fr) * 1992-12-04 1994-12-30 Alcatel Espace Antenne active à synthèse de polarisation variable.
US5481570A (en) * 1993-10-20 1996-01-02 At&T Corp. Block radio and adaptive arrays for wireless systems
US5742583A (en) * 1994-11-03 1998-04-21 Omnipoint Corporation Antenna diversity techniques
US5563610A (en) * 1995-06-08 1996-10-08 Metawave Communications Corporation Narrow beam antenna systems with angular diversity
JPH0974372A (ja) 1995-09-04 1997-03-18 Matsushita Electric Ind Co Ltd スペクトラム拡散無線伝送受信装置
JP2924730B2 (ja) * 1995-09-13 1999-07-26 日本電気株式会社 信号受信方法
KR19990076867A (ko) * 1995-12-28 1999-10-25 밀러 럿셀 비 휴대형 무선전화기에 안테나 다이버시티를 제공하는 장치 및방법
JP3034481B2 (ja) 1996-03-21 2000-04-17 エヌ・ティ・ティ移動通信網株式会社 移動通信方法および基地局装置と移動局装置
JP3447897B2 (ja) * 1996-08-20 2003-09-16 松下電器産業株式会社 Ｃｄｍａ無線通信装置
JP3795984B2 (ja) * 1996-12-20 2006-07-12 富士通株式会社 無線受信機
JPH10247869A (ja) * 1997-03-04 1998-09-14 Nec Corp ダイバーシティ回路
US6185408B1 (en) * 1997-09-03 2001-02-06 Motorola, Inc. Method and apparatus for mitigating the effects of a communications channel using polarized signals
US6061336A (en) * 1997-09-30 2000-05-09 Qualcomm Incorporated Polarization enhanced CDMA communication system
US6259687B1 (en) * 1997-10-31 2001-07-10 Interdigital Technology Corporation Communication station with multiple antennas
US6125109A (en) * 1998-02-24 2000-09-26 Repeater Technologies Delay combiner system for CDMA repeaters and low noise amplifiers

Also Published As

Publication number Publication date
EP0942540A2 (de) 1999-09-15
JP3967452B2 (ja) 2007-08-29
EP0942540B1 (de) 2006-11-22
US6480526B1 (en) 2002-11-12
EP0942540A3 (de) 2003-08-06
DE69934041T2 (de) 2007-03-08
JPH11261525A (ja) 1999-09-24

Similar Documents

Publication Publication Date Title
DE69934041D1 (de) Spreizspektrumempfangsgerät mit Pfad- und Raumdiversität
DE69734180D1 (de) Spread-Spektrum-Empfänger
DE69718909D1 (de) Paketvermittelte spreizspektrumanordnung
DE69719908D1 (de) Antennenvorrichtung
DE69834178D1 (de) Selektive diversity-kombination
DE69814221D1 (de) Diversity-Schaltung
EP1237462A4 (de) Felduntersuchung unter verwendung der spread-spectrum technik
DE69733005D1 (de) Antennenvorrichtung
DE69735831D1 (de) Spread-Spektrum-Empfänger
DE69726786D1 (de) Spreizspektrumempfänger
DE69922116D1 (de) Spreizspektrumdiversitysender/-empfänger
DE69811966T2 (de) Antennenvorrichtung
DE19983744T8 (de) Antennenvorrichtung
DE29708536U1 (de) Antennenvorrichtung
DE69918215D1 (de) Bauteil-Tragvorrichtung
DE69801831D1 (de) Spreizvorrichtung
DE69834378D1 (de) Differentieller Direktsequenzspreizspektrumempfänger mit gemischter Störsignalerzeugungsvorrichtung
DE29811124U1 (de) Antennenvorrichtung
DE69623418T2 (de) Spreizspektrum-Nachrichtenübertragungsgerät
DE29901851U1 (de) Zeigervorrichtung
DE29821423U1 (de) Quenching-Vorrichtung
DE29823004U1 (de) Detektorvorrichtung
FR2766392B1 (fr) Dispositif combine de sertissage et de presertissage
DE69919006D1 (de) Auswahlvorrichtung
DE69817509D1 (de) Gefederte Streuvorrichtung

Legal Events

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