HK1000483A1 - Radio communications apparatus with diversity - Google Patents

Radio communications apparatus with diversity

Info

Publication number
HK1000483A1
HK1000483A1 HK97102051A HK97102051A HK1000483A1 HK 1000483 A1 HK1000483 A1 HK 1000483A1 HK 97102051 A HK97102051 A HK 97102051A HK 97102051 A HK97102051 A HK 97102051A HK 1000483 A1 HK1000483 A1 HK 1000483A1
Authority
HK
Hong Kong
Prior art keywords
pct
call
diversity
receiver
spare receiver
Prior art date
Application number
HK97102051A
Other languages
English (en)
Inventor
Bartlett Ian
Original Assignee
Motorola Ltd
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 Ltd filed Critical Motorola Ltd
Publication of HK1000483A1 publication Critical patent/HK1000483A1/xx

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B1/00Details 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
    • H04B1/74Details 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 for increasing reliability, e.g. using redundant or spare channels or apparatus
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radio Transmission System (AREA)
  • Noise Elimination (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
  • Toys (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
HK97102051A 1991-12-23 1997-10-29 Radio communications apparatus with diversity HK1000483A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9127292A GB2262863B (en) 1991-12-23 1991-12-23 Radio communications apparatus with diversity

Publications (1)

Publication Number Publication Date
HK1000483A1 true HK1000483A1 (en) 1998-03-27

Family

ID=10706750

Family Applications (1)

Application Number Title Priority Date Filing Date
HK97102051A HK1000483A1 (en) 1991-12-23 1997-10-29 Radio communications apparatus with diversity

Country Status (15)

Country Link
US (1) US5557603A (fr)
EP (1) EP0619054B1 (fr)
JP (1) JP3401248B2 (fr)
KR (1) KR100244627B1 (fr)
AT (1) ATE126414T1 (fr)
AU (1) AU670919B2 (fr)
CA (1) CA2126574A1 (fr)
DE (1) DE69204078T2 (fr)
FI (1) FI943006A0 (fr)
GB (1) GB2262863B (fr)
HK (1) HK1000483A1 (fr)
IL (1) IL103781A (fr)
PL (1) PL171979B1 (fr)
SE (1) SE9402192D0 (fr)
WO (1) WO1993013605A1 (fr)

Families Citing this family (61)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI98974C (fi) * 1993-09-24 1997-09-10 Nokia Telecommunications Oy Menetelmä sektoroidun tukiaseman toiminnan varmistamiseksi sekä tukiasema
ZA95797B (en) 1994-02-14 1996-06-20 Qualcomm Inc Dynamic sectorization in a spread spectrum communication system
US6151310A (en) * 1994-03-24 2000-11-21 Ericsson Inc. Dividable transmit antenna array for a cellular base station and associated method
JP3866283B2 (ja) * 1994-09-14 2007-01-10 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ 無線伝送システム及びこのシステムに用いる無線装置
GB2294378A (en) * 1994-10-15 1996-04-24 Nokia Telecommunications Oy Radio telephone base station
US5768685A (en) * 1995-12-11 1998-06-16 Hughes Electronics Method and apparatus for converting signals in a base station receiver
JPH09163431A (ja) * 1995-12-12 1997-06-20 Fujitsu Ltd 無線チャネル割当て方法
JP3702551B2 (ja) * 1996-09-13 2005-10-05 住友電装株式会社 放送受信システム及びこれを利用した放送受信方法
JP3076252B2 (ja) * 1996-11-25 2000-08-14 日本電気株式会社 セルラー移動通信システムにおける多セクター切替制御装置
US6108526A (en) * 1997-05-07 2000-08-22 Lucent Technologies, Inc. Antenna system and method thereof
US6801788B1 (en) * 1997-09-09 2004-10-05 Samsung Electronics Co., Ltd. Distributed architecture for a base station transceiver subsystem having a radio unit that is remotely programmable
US6272191B1 (en) 1997-09-09 2001-08-07 Sumitomo Wiring Systems, Ltd. Information receiving system and an information receiving method using such a system
FI973849A (fi) * 1997-09-30 1999-03-31 Nokia Telecommunications Oy Menetelmä parantaa radioyhteyden laatua radiojärjestelmässä
SE511365C2 (sv) 1998-01-23 1999-09-20 Ericsson Telefon Ab L M Antennomkopplingsdiversitet
US6115930A (en) * 1998-06-11 2000-09-12 Fuji Photo Film Co., Ltd. Method and laminated member for measuring gap dimension
JP3111992B2 (ja) * 1998-07-07 2000-11-27 日本電気株式会社 自動車通信方法及びシステム
SE519473C2 (sv) * 1998-10-06 2003-03-04 Ericsson Telefon Ab L M Förfarande och arrangemang för att testa mottagningsantenner i radiobasstationer
US6377783B1 (en) * 1998-12-24 2002-04-23 At&T Wireless Services, Inc. Method for combining communication beams in a wireless communication system
US6308054B2 (en) * 1999-03-02 2001-10-23 Hitachi, Ltd. Diversity wireless communication method and its wireless communication apparatus
DE10014352A1 (de) * 2000-03-24 2001-10-04 Elan Schaltelemente Gmbh & Co Anordnung und Verfahren zur Übertragung sicherheitsrelevanter Daten über eine Funkstrecke
US7529548B2 (en) * 2001-06-28 2009-05-05 Intel Corporation Method and system for adapting a wireless link to achieve a desired channel quality
US20030021251A1 (en) * 2001-07-30 2003-01-30 Ramin Moshiri-Tafreshi Self-healing wireless communication systems
KR20030047389A (ko) * 2001-12-10 2003-06-18 삼성전자주식회사 휴대용 무선단말기의 분리형 다이버시티 안테나
DE10200805B4 (de) * 2002-01-11 2006-07-13 Harman/Becker Automotive Systems (Becker Division) Gmbh Verfahren zur Auswahl von n Antennen und einer von m alternativen Empfangsfrequenzen in einer Antennen- und Frequenzdiversityempfangsanlage sowie Antennen- und Frequenzdiversityempfangsanlage
JP3838924B2 (ja) 2002-03-05 2006-10-25 株式会社東芝 無線通信装置
KR20030075381A (ko) * 2002-03-18 2003-09-26 주식회사 한국통신부품 다이버시티 신호 합성/분배기
JP2004015089A (ja) * 2002-06-03 2004-01-15 Toa Corp アンテナダイバシティ方式のデジタル無線受信機
JP3642784B2 (ja) * 2002-10-28 2005-04-27 三菱電機株式会社 ダイバーシチ受信装置およびダイバーシチ受信方法
CN1765065B (zh) * 2003-04-17 2010-12-01 富士通株式会社 具有天线切换功能的信息处理装置
US20070076592A1 (en) * 2005-09-30 2007-04-05 Thibeault Brian K Non-invasive frequency rollback apparatus and method
KR100760225B1 (ko) * 2005-10-14 2007-09-20 후지쯔 가부시끼가이샤 안테나 전환 기능을 갖는 정보 처리 장치와 통신 장치, 안테나 전환 제어 장치, 안테나 전환 제어 프로그램을 기록한 컴퓨터 판독 가능한 기록 매체
CN101026406B (zh) * 2006-02-17 2011-05-25 深圳迈瑞生物医疗电子股份有限公司 空间分集接收的输入通道切换方法
CA2646281C (fr) * 2006-03-24 2015-02-17 General Instrument Corporation Procede et appareil pour configurer des canaux logiques dans un reseau
US9088355B2 (en) * 2006-03-24 2015-07-21 Arris Technology, Inc. Method and apparatus for determining the dynamic range of an optical link in an HFC network
US7937052B2 (en) * 2006-06-27 2011-05-03 Cisco Technology, Inc. Multiple input multiple output signal receiving apparatus with optimized performance
FR2904165B1 (fr) * 2006-07-18 2008-11-28 Excem Soc Par Actions Simplifiee Procede et dispositif pour la reception radioelectrique utilisant une pluralite d'antennes
US20080112340A1 (en) * 2006-11-09 2008-05-15 Luebke Charles J Wireless communication network and method of dynamic channel selection of a wireless communication network
US8537972B2 (en) * 2006-12-07 2013-09-17 General Instrument Corporation Method and apparatus for determining micro-reflections in a network
JP4079197B1 (ja) * 2007-02-06 2008-04-23 松下電器産業株式会社 受信装置とこれを用いた受信システム
GB0721428D0 (en) * 2007-10-31 2007-12-12 Icera Inc Wireless receiver with receive diversity
US8085734B2 (en) * 2008-03-14 2011-12-27 Lantiq Deutschland Gmbh System and method for dynamic receive diversity allocation
US8817716B2 (en) 2008-08-29 2014-08-26 Telefonaktiebolaget L M Ericsson (Publ) Efficient working standby radio protection scheme
US8516532B2 (en) * 2009-07-28 2013-08-20 Motorola Mobility Llc IP video delivery using flexible channel bonding
US8526485B2 (en) * 2009-09-23 2013-09-03 General Instrument Corporation Using equalization coefficients of end devices in a cable television network to determine and diagnose impairments in upstream channels
US8654640B2 (en) 2010-12-08 2014-02-18 General Instrument Corporation System and method for IP video delivery using distributed flexible channel bonding
US8937992B2 (en) 2011-08-30 2015-01-20 General Instrument Corporation Method and apparatus for updating equalization coefficients of adaptive pre-equalizers
US8576705B2 (en) 2011-11-18 2013-11-05 General Instrument Corporation Upstream channel bonding partial service using spectrum management
US9113181B2 (en) 2011-12-13 2015-08-18 Arris Technology, Inc. Dynamic channel bonding partial service triggering
US8867371B2 (en) 2012-04-27 2014-10-21 Motorola Mobility Llc Estimating physical locations of network faults
US8837302B2 (en) 2012-04-27 2014-09-16 Motorola Mobility Llc Mapping a network fault
US9003460B2 (en) 2012-04-27 2015-04-07 Google Technology Holdings LLC Network monitoring with estimation of network path to network element location
US8868736B2 (en) 2012-04-27 2014-10-21 Motorola Mobility Llc Estimating a severity level of a network fault
US9065731B2 (en) 2012-05-01 2015-06-23 Arris Technology, Inc. Ensure upstream channel quality measurement stability in an upstream channel bonding system using T4 timeout multiplier
FR2993732B1 (fr) * 2012-07-20 2014-07-18 Thales Sa Formateur de voies pre-conditionne reconfigurable pour reseau antennaire
US9136943B2 (en) 2012-07-30 2015-09-15 Arris Technology, Inc. Method of characterizing impairments detected by equalization on a channel of a network
US9137164B2 (en) 2012-11-15 2015-09-15 Arris Technology, Inc. Upstream receiver integrity assessment for modem registration
US9203639B2 (en) 2012-12-27 2015-12-01 Arris Technology, Inc. Dynamic load balancing under partial service conditions
US9197886B2 (en) 2013-03-13 2015-11-24 Arris Enterprises, Inc. Detecting plant degradation using peer-comparison
US9042236B2 (en) 2013-03-15 2015-05-26 Arris Technology, Inc. Method using equalization data to determine defects in a cable plant
US10477199B2 (en) 2013-03-15 2019-11-12 Arris Enterprises Llc Method for identifying and prioritizing fault location in a cable plant
US9025469B2 (en) 2013-03-15 2015-05-05 Arris Technology, Inc. Method for estimating cable plant topology

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4823398A (en) * 1985-12-23 1989-04-18 Kazuya Hashimoto Diversity receiver
US5097484A (en) * 1988-10-12 1992-03-17 Sumitomo Electric Industries, Ltd. Diversity transmission and reception method and equipment
JPH03293822A (ja) * 1990-04-12 1991-12-25 Pioneer Electron Corp ダイバシティー受信機

Also Published As

Publication number Publication date
JP3401248B2 (ja) 2003-04-28
JPH07502391A (ja) 1995-03-09
US5557603A (en) 1996-09-17
FI943006A (fi) 1994-06-22
CA2126574A1 (fr) 1993-07-08
FI943006A0 (fi) 1994-06-22
IL103781A (en) 1995-08-31
KR100244627B1 (ko) 2000-02-15
GB2262863A (en) 1993-06-30
PL171979B1 (pl) 1997-07-31
KR940704088A (ko) 1994-12-12
GB9127292D0 (en) 1992-02-19
SE9402192D0 (sv) 1994-06-22
EP0619054A1 (fr) 1994-10-12
DE69204078T2 (de) 1996-04-04
EP0619054B1 (fr) 1995-08-09
IL103781A0 (en) 1993-04-04
DE69204078D1 (de) 1995-09-14
GB2262863B (en) 1995-06-21
ATE126414T1 (de) 1995-08-15
AU2943492A (en) 1993-07-28
AU670919B2 (en) 1996-08-08
WO1993013605A1 (fr) 1993-07-08

Similar Documents

Publication Publication Date Title
GB2262863B (en) Radio communications apparatus with diversity
US5329548A (en) Base station for a frequency hopping TDMA radio communication system
EP0656697A3 (fr) Procédé et dispositif pour la création d'évanouissement rapide dans un récepteur en utilisant des antennes polarisées orthogonalement et la diversité en temps à l'émetteur
TW358268B (en) Method of and apparatus for interference rejection combining and downlink beamforming in a cellular radiocommunications system
HUT62734A (en) Mobil multichannel receiver for metric and decimetric frequency bands
MY116143A (en) Received signal selection system for combined pager/cellular telephone apparatus
DE69624662T2 (de) Empfangsverfahren und basisstationsempfänger
SE9801754D0 (sv) An antenna system and a radio communication device including an antenna system
CA2489395A1 (fr) Filtres pour terminaux combines de radiotelephone/gps
MY106766A (en) Periodic system ordered rescan in a cellular commmunications systemperiodic system ordered rescan in a cellular communications system.
CA2270000A1 (fr) Methode et appareil de communication radio multimode
SE9800201D0 (sv) Sätt och anordning vid telekommunikation
MY118134A (en) Multi-frequency band receiver for rf signal
CA2260281A1 (fr) Architecture de systeme de telecommunications sans fil prenant en charge la diversite de reception
GB2281478A (en) Diversity radio communication systems
CA2247913A1 (fr) Procede et dispositif d'amelioration de la qualite d'etablissement et de transfert d'un appel
MX9602584A (es) Configuracion de disposicion de antena.
SE9603596L (sv) Radiotelefonanordning för utförande av rumsdiversitetsmottagning för att kommunicera med basstationer i ett TDMA-radiokommunikationssystem
MY112693A (en) Radio station having a remote antenna unit
AU680028B2 (en) Radio receiving apparatus
CA2210876A1 (fr) Dispositif et procede pour le choix des antennes dans un systeme telephonique sans fil
SE9902877L (sv) Antennenhet för två band
JPS6457835A (en) Time division mobile multiplex communication system
KR100595591B1 (ko) 워키토키 겸용 이동 통신 단말기
CA2293814A1 (fr) Procede et appareil a demodulation s'adaptant a la bande

Legal Events

Date Code Title Description
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)