SG74619A1 - Digital mobile communication system - Google Patents

Digital mobile communication system

Info

Publication number
SG74619A1
SG74619A1 SG1998000578A SG1998000578A SG74619A1 SG 74619 A1 SG74619 A1 SG 74619A1 SG 1998000578 A SG1998000578 A SG 1998000578A SG 1998000578 A SG1998000578 A SG 1998000578A SG 74619 A1 SG74619 A1 SG 74619A1
Authority
SG
Singapore
Prior art keywords
communication system
mobile communication
digital mobile
digital
mobile
Prior art date
Application number
SG1998000578A
Other languages
English (en)
Inventor
Keiichi Nakajima
Original Assignee
Oki Electric Ind Co 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 Oki Electric Ind Co Ltd filed Critical Oki Electric Ind Co Ltd
Publication of SG74619A1 publication Critical patent/SG74619A1/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/04—Arrangements for maintaining operational condition
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/14—Two-way operation using the same type of signal, i.e. duplex
    • H04L5/18—Automatic changing of the traffic direction
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/08—Access point devices
SG1998000578A 1997-07-23 1998-03-19 Digital mobile communication system SG74619A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP21260197A JP3359261B2 (ja) 1997-07-23 1997-07-23 公共業務ディジタル移動通信システム

Publications (1)

Publication Number Publication Date
SG74619A1 true SG74619A1 (en) 2000-08-22

Family

ID=16625403

Family Applications (1)

Application Number Title Priority Date Filing Date
SG1998000578A SG74619A1 (en) 1997-07-23 1998-03-19 Digital mobile communication system

Country Status (5)

Country Link
US (1) US6195549B1 (ja)
EP (1) EP0893929A3 (ja)
JP (1) JP3359261B2 (ja)
KR (1) KR19990014072A (ja)
SG (1) SG74619A1 (ja)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1117072A1 (en) * 2000-01-17 2001-07-18 Koninklijke Philips Electronics N.V. Text improvement
AU2001260885A1 (en) * 2000-05-30 2001-12-11 Telefonaktiebolaget Lm Ericsson (Publ) Operations and maintenance of radio base stations in mobile telecommunication systems
FR2812981B1 (fr) * 2000-08-10 2002-10-18 Alstom Protection pour reseau electrique ayant une liaison de transmission de donnees infrarouge utilisant le protocole wap
GB2375460B (en) * 2001-05-09 2004-09-29 Motorola Inc Cellular radio communication systems and methods and equipment for use therein
US20020193105A1 (en) * 2001-06-13 2002-12-19 Olsson John Gunnar Dynamic Handling of orphan cells
JP3923853B2 (ja) * 2002-05-31 2007-06-06 三菱電機株式会社 基地局及び中継方法
JP2005134316A (ja) * 2003-10-31 2005-05-26 Matsushita Electric Ind Co Ltd 災害予測システム
CN100366118C (zh) * 2004-11-17 2008-01-30 华为技术有限公司 一种维护链路检测与恢复方法
JP4788430B2 (ja) * 2006-03-24 2011-10-05 日本電気株式会社 移動体通信ネットワークシステム
JP2012156722A (ja) * 2011-01-25 2012-08-16 Kyocera Corp 移動通信システム、無線基地局、無線端末、及び移動通信方法
JP6202597B2 (ja) * 2013-04-26 2017-09-27 株式会社日立国際電気 無線通信システム

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5175866A (en) 1987-06-03 1992-12-29 Ericcson Ge Mobile Communications Inc. Fail-soft architecture for public trunking system
US4926421A (en) * 1987-10-23 1990-05-15 Mitsubishi Denki Kabushiki Kaisha Mobile radio telephone system
JP2726315B2 (ja) * 1989-09-20 1998-03-11 富士通株式会社 移動通信システムの回線異常検出方法
JPH04274627A (ja) * 1991-03-01 1992-09-30 Toshiba Corp 移動局装置
FI88991C (fi) * 1991-10-03 1993-07-26 Nokia Telecommunications Oy Allokeringsfoerfarande foer radiokanaler
JP2953898B2 (ja) * 1993-02-17 1999-09-27 日本電気通信システム株式会社 構内用無線内線着信方式
FI98974C (fi) * 1993-09-24 1997-09-10 Nokia Telecommunications Oy Menetelmä sektoroidun tukiaseman toiminnan varmistamiseksi sekä tukiasema
JP3239286B2 (ja) * 1994-03-01 2001-12-17 富士通株式会社 チャネル切替制御方式
DE69534333T2 (de) 1994-11-22 2006-05-24 Ntt Mobile Communications Network Inc. Steuerkanal-Suchverfahren in einer mobilen Station
JP2626597B2 (ja) * 1994-12-14 1997-07-02 日本電気株式会社 セルラ型移動無線通信方式における無線基地局の選択方法
US5911115A (en) 1995-03-31 1999-06-08 Intel Corporation Data transmission over amps networks
JP3415978B2 (ja) * 1995-11-24 2003-06-09 富士通株式会社 キャリア切替え方法

Also Published As

Publication number Publication date
JPH1141668A (ja) 1999-02-12
JP3359261B2 (ja) 2002-12-24
EP0893929A3 (en) 2000-02-02
EP0893929A2 (en) 1999-01-27
US6195549B1 (en) 2001-02-27
KR19990014072A (ko) 1999-02-25

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