DE69127839D1 - Zellulares Zeit-Multiplex-Kommunikationssystem mit Synchronisation durch Rahmen-Verschiebung - Google Patents

Zellulares Zeit-Multiplex-Kommunikationssystem mit Synchronisation durch Rahmen-Verschiebung

Info

Publication number
DE69127839D1
DE69127839D1 DE69127839T DE69127839T DE69127839D1 DE 69127839 D1 DE69127839 D1 DE 69127839D1 DE 69127839 T DE69127839 T DE 69127839T DE 69127839 T DE69127839 T DE 69127839T DE 69127839 D1 DE69127839 D1 DE 69127839D1
Authority
DE
Germany
Prior art keywords
communication system
synchronization
time division
division multiplex
multiplex communication
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
DE69127839T
Other languages
English (en)
Other versions
DE69127839T2 (de
Inventor
Michael D Kotzin
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.)
Motorola Solutions Inc
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 DE69127839D1 publication Critical patent/DE69127839D1/de
Application granted granted Critical
Publication of DE69127839T2 publication Critical patent/DE69127839T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/24—Reselection being triggered by specific parameters
    • H04W36/30—Reselection being triggered by specific parameters by measured or perceived connection quality data
    • H04W36/302—Reselection being triggered by specific parameters by measured or perceived connection quality data due to low signal strength
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/24—Reselection being triggered by specific parameters
    • H04W36/30—Reselection being triggered by specific parameters by measured or perceived connection quality data

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Selective Calling Equipment (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Radio Relay Systems (AREA)
DE69127839T 1990-02-27 1991-02-15 Zellulares Zeit-Multiplex-Kommunikationssystem mit Synchronisation durch Rahmen-Verschiebung Expired - Lifetime DE69127839T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/485,408 US5228029A (en) 1990-02-27 1990-02-27 Cellular tdm communication system employing offset frame synchronization

Publications (2)

Publication Number Publication Date
DE69127839D1 true DE69127839D1 (de) 1997-11-13
DE69127839T2 DE69127839T2 (de) 1998-03-26

Family

ID=23928045

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69127839T Expired - Lifetime DE69127839T2 (de) 1990-02-27 1991-02-15 Zellulares Zeit-Multiplex-Kommunikationssystem mit Synchronisation durch Rahmen-Verschiebung

Country Status (8)

Country Link
US (2) US5228029A (de)
EP (1) EP0444485B1 (de)
AT (1) ATE159138T1 (de)
DE (1) DE69127839T2 (de)
DK (1) DK0444485T3 (de)
ES (1) ES2107429T3 (de)
GR (1) GR3025389T3 (de)
HK (1) HK1003856A1 (de)

Families Citing this family (80)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5228029A (en) * 1990-02-27 1993-07-13 Motorola, Inc. Cellular tdm communication system employing offset frame synchronization
US5440561A (en) * 1991-09-30 1995-08-08 Motorola, Inc. Method for establishing frame synchronization within a TDMA communication system
DE4136147A1 (de) * 1991-11-02 1993-05-06 Robert Bosch Gmbh, 7000 Stuttgart, De Synchronisationsverfahren fuer ein mobilfunktelefon
US6101177A (en) * 1992-03-30 2000-08-08 Telefonaktiebolaget Lm Ericsson Cell extension in a cellular telephone system
GB2273024B (en) * 1992-11-28 1996-10-09 Motorola Ltd A transcoder
FI95187C (fi) * 1992-11-30 1995-12-27 Nokia Telecommunications Oy Menetelmä viereisten tukiasemien mittaamiseksi TDMA-radiojärjestelmässä sekä TDMA-radiojärjestelmä
SE9300681D0 (sv) * 1993-03-01 1993-03-01 Ericsson Telefon Ab L M A method and an apparatusfor handing off a mobile station from a first to a second channel in a mobile communication system
FR2705849B1 (fr) * 1993-05-28 1995-06-30 Alcatel Mobile Comm France Station de base d'un réseau cellulaire de type GSM, et procédé d'échange de données entre cette station de base et un mobile évoluant dans le réseau.
US5363404A (en) * 1993-07-13 1994-11-08 Motorola Inc. Apparatus and method for conveying information in a communication network
FR2708813B1 (fr) * 1993-07-30 1995-09-01 Alcatel Mobile Comm France Système de radiocommunications cellulaire.
JPH08503597A (ja) * 1993-09-17 1996-04-16 モトローラ・インコーポレイテッド ネットワーク装置間のネットワーク装置動作の伝達方法および装置
US5577047A (en) * 1993-11-10 1996-11-19 Telefonaktiebolaget Lm Ericsson System and method for providing macrodiversity TDMA radio communications
JPH07312616A (ja) * 1994-05-18 1995-11-28 Fujitsu Ltd 受信選択方式の通信システムの二重受信防止方法
US5485463A (en) * 1994-09-09 1996-01-16 Glenayre Electronics, Inc. System for transmitting paging signals using time-division-multiplexing
US5606560A (en) * 1994-09-23 1997-02-25 Motorola, Inc. Between a base station and a portable device
US5701592A (en) * 1994-12-19 1997-12-23 Telefonaktiebolaget Lm Ericsson Method and system for desynchronizing overhead messages in a radiocommunication system
US5901144A (en) * 1995-04-13 1999-05-04 Hitachi, Ltd. Mobile radio communications system
US5784362A (en) * 1995-04-17 1998-07-21 Telefonaktiebolaget Lm Ericsson Temporary frame identification for ARQ in a reservation-slotted-ALOHA type of protocol
US5682416A (en) * 1995-05-09 1997-10-28 Motorola, Inc. Method and apparatus communication handover in a communication system
US5561664A (en) * 1995-05-11 1996-10-01 Motorola, Inc. Method of reducing audio delays associated with mobile-to-mobile communications
GB2301734B (en) * 1995-05-31 1999-10-20 Motorola Ltd Communications system and method of operation
US6038455A (en) 1995-09-25 2000-03-14 Cirrus Logic, Inc. Reverse channel reuse scheme in a time shared cellular communication system
US5661724A (en) * 1995-12-18 1997-08-26 Ericsson Inc. Satellite diversity scheme
US6091936A (en) * 1996-03-29 2000-07-18 Ericsson Inc. Method and apparatus for reducing co-channel interference
US5850433A (en) * 1996-05-01 1998-12-15 Sprint Communication Co. L.P. System and method for providing an on-line directory service
JP2803637B2 (ja) * 1996-05-13 1998-09-24 日本電気株式会社 移動体通信の共通資源割付方法
US6108322A (en) * 1996-06-28 2000-08-22 Motorola, Inc. Method of enabling handoff
US5999818A (en) * 1996-08-06 1999-12-07 Cirrus Logic, Inc. Frequency re-used and time-shared cellular communication system having multiple radio communication systems
GB2320118A (en) * 1996-12-03 1998-06-10 Int Mobile Satellite Org Communication
US5883888A (en) * 1996-12-03 1999-03-16 Telefonaktiebolaget Lm Ericsson Seamless soft handoff in a CDMA cellular communications system
GB2320650B (en) * 1996-12-23 2001-09-26 Ericsson Telefon Ab L M Telecommunications systems
JP3393141B2 (ja) * 1996-12-26 2003-04-07 株式会社エヌ・ティ・ティ・ドコモ ハンドオーバ方法
US7046682B2 (en) 1997-02-12 2006-05-16 Elster Electricity, Llc. Network-enabled, extensible metering system
US6044272A (en) * 1997-02-25 2000-03-28 Sbc Technology Resources, Inc. Mobile assisted handoff system and method
US5959981A (en) * 1997-03-31 1999-09-28 Motorola, Inc. Method and apparatus for transmitting information in a communication network
US6333973B1 (en) * 1997-04-23 2001-12-25 Nortel Networks Limited Integrated message center
FR2764465B1 (fr) * 1997-06-09 1999-09-24 Alsthom Cge Alcatel Procede d'emission de canaux logiques de controle diffuses, par une station de base d'un systeme de radiocommunication numerique cellulaire
US6141555A (en) * 1997-06-09 2000-10-31 Nec Corporation Cellular communication system, and mobile and base stations used in the same
SE509836C2 (sv) * 1997-06-13 1999-03-15 Ericsson Telefon Ab L M Förfarande och arrangemang i ett radiokommunikationssystem
WO1999014905A1 (fr) * 1997-09-16 1999-03-25 Ntt Mobile Communications Network Inc. Procede de transmission de paquets, dispositif de transmission de paquets, procede de transmission de trames radio, procede concernant les telecommunications mobiles, systeme de telecommunications mobiles et commutateur
JP2865098B1 (ja) * 1997-10-01 1999-03-08 日本電気株式会社 Ｃｄｍａ通信におけるフレームオフセット決定方式
US6400697B1 (en) * 1998-01-15 2002-06-04 At&T Corp. Method and apparatus for sector based resource allocation in a broadhand wireless communications system
SE513233C2 (sv) * 1998-01-23 2000-08-07 Ericsson Telefon Ab L M TDMA-TDD/FDD Radiokommunikationssystem samt kanalvalsförfarande och -anordning för ett sådant system
FR2777730B1 (fr) * 1998-04-20 2000-05-26 Alsthom Cge Alcatel Procede de gestion destine a permettre la reception d'informations de signalisation au niveau d'un terminal radio communiquant en mode tdma avec une station fixe
JP3024751B2 (ja) * 1998-04-22 2000-03-21 日本電気株式会社 フレームオフセット設定システム及び設定方法並びに設定プログラム記録媒体
US6700902B1 (en) 1998-10-19 2004-03-02 Elster Electricity, Llc Method and system for improving wireless data packet delivery
FI106494B (fi) * 1998-11-05 2001-02-15 Nokia Networks Oy Kehystahdistusmekanismi
FI982399A0 (fi) * 1998-11-05 1998-11-05 Nokia Telecommunications Oy Kehyssykronointimekanismi
US6167036A (en) * 1998-11-24 2000-12-26 Nortel Networks Limited Method and apparatus for a sectored cell of a cellular radio communications system
US7603139B1 (en) 1999-03-25 2009-10-13 Kantan Inc. Methods and apparatus for a flexible wireless communication and cellular telephone system
US6690947B1 (en) 1999-03-25 2004-02-10 Kantan Inc. Methods and apparatus for a flexible wireless communication and cellular telephone system
US6925067B2 (en) * 1999-04-23 2005-08-02 Qualcomm, Incorporated Configuration of overhead channels in a mixed bandwidth system
KR100880129B1 (ko) 1999-04-23 2009-01-23 퀄컴 인코포레이티드 다중캐리어 통신시스템에서 동기채널 메시지를 전송하는방법 및 장치
KR100680070B1 (ko) * 1999-06-29 2007-02-09 유티스타콤코리아 유한회사 이동통신 시스템에서 주파수간/시스템간 핸드오버시데이터 전송방법
GB9927889D0 (en) * 1999-11-25 2000-01-26 Nokia Networks Oy Telecommunications network
US6707798B1 (en) 2000-03-31 2004-03-16 Ensemble Communications Method and apparatus for reducing co-channel interference in a frame-synchronized wireless communication system
EP1360855B1 (de) * 2001-02-06 2007-11-21 Nokia Corporation Zugriffssystem fur ein zellulares netzwerk
FR2823042B1 (fr) * 2001-03-29 2003-07-04 Cit Alcatel Procede de transmission bidirectionnelle synchronisee par paquets
WO2002098032A1 (en) * 2001-06-01 2002-12-05 Telefonaktiebolaget L M Ericsson (Publ) Synchronisation of communication links
EP1294205A1 (de) * 2001-09-13 2003-03-19 Alcatel Mehrkanalige Zeitausrichtung in einem digitalen Signalprozessor und die zugehörige Methode
US7233587B2 (en) * 2002-02-01 2007-06-19 Harris Corporation Method and system for encapsulating time division multiplex data into individual packets of a packet based network
US20030162545A1 (en) * 2002-02-22 2003-08-28 Samsung Electronics Co., Ltd. Overlapping coverage sectored/omni antenna architecture for dual standard support with handoff to backward-compatible standard during antenna/RF path/system failure
US6795419B2 (en) * 2002-03-13 2004-09-21 Nokia Corporation Wireless telecommunications system using multislot channel allocation for multimedia broadcast/multicast service
US6867707B1 (en) 2002-04-24 2005-03-15 Elster Electricity, Llc Automated on-site meter registration confirmation using a portable, wireless computing device
US20040005910A1 (en) * 2002-06-25 2004-01-08 Alfred Tom Methods and apparatus for a self-configuring smart modular wireless device
US7119713B2 (en) 2002-06-27 2006-10-10 Elster Electricity, Llc Dynamic self-configuring metering network
US6928283B2 (en) 2002-09-20 2005-08-09 Interdigitial Technology Corporation Method and system for improved beacon acquisition performance with time slot and antenna sector reuse
US7633927B2 (en) * 2003-01-31 2009-12-15 Nokia Corporation System and method for extending neighboring cell search window
EP1736011A4 (de) * 2004-04-15 2011-02-09 Qualcomm Inc Mehrträger-kommunikationsverfahren und vorrichtungen
US20050238060A1 (en) * 2004-04-23 2005-10-27 Kuntz Thomas L Synchronizing to GSM RF downlink signal frame timing
US7742430B2 (en) 2004-09-24 2010-06-22 Elster Electricity, Llc System for automated management of spontaneous node migration in a distributed fixed wireless network
US7702594B2 (en) 2004-09-24 2010-04-20 Elster Electricity, Llc System and method for automated configuration of meters
US8018930B2 (en) * 2004-10-01 2011-09-13 Qualcomm Incorporated Apparatus and method for receiving packet data on a subset of carrier frequencies in a wireless communication system
US20080207268A1 (en) * 2005-02-17 2008-08-28 Kantan Inc. Apparatus for a Removable Wireless Module With Storage Memory
US8073384B2 (en) 2006-12-14 2011-12-06 Elster Electricity, Llc Optimization of redundancy and throughput in an automated meter data collection system using a wireless network
US8320302B2 (en) 2007-04-20 2012-11-27 Elster Electricity, Llc Over the air microcontroller flash memory updates
US9612132B2 (en) 2007-12-26 2017-04-04 Elster Solutions, Llc Optimized data collection in a wireless fixed network metering system
US8525692B2 (en) 2008-06-13 2013-09-03 Elster Solutions, Llc Techniques for limiting demand from an electricity meter with an installed relay
US8203463B2 (en) 2009-02-13 2012-06-19 Elster Electricity Llc Wakeup and interrogation of meter-reading devices using licensed narrowband and unlicensed wideband radio communication
EP2537379A1 (de) * 2010-02-15 2012-12-26 Telefonaktiebolaget LM Ericsson (publ) Verfahren und anordnungen in funkkommunikationssystemen

Family Cites Families (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1278544B (de) * 1963-09-23 1968-09-26 Siemens Ag Verfahren und Schaltungsanordnung zum UEbertragen von mehreren impulsmodulierten Fernmeldenachrichten ueber einen gemeinsamen UEbertragungsweg in Zeitmultiplexanlagen, insbesondere Zeitmultiplex-Fernsprechvermittlungsanlagen
US3652803A (en) * 1970-07-30 1972-03-28 Bell Telephone Labor Inc Switching of time division multiplex lines through telephone central offices
US3778715A (en) * 1971-08-11 1973-12-11 Communications Satellite Corp Tdma satellite communications system with rapid automatic re-entry following brief outages of earth station equipment
US4349914A (en) * 1980-04-01 1982-09-14 Ford Aerospace & Communications Corp. Bit synchronous switching system for space diversity operation
US4414661A (en) * 1981-07-02 1983-11-08 Trancom Ab Apparatus for communicating with a fleet of vehicles
US4570265A (en) * 1981-11-23 1986-02-11 Motorola, Inc. Random frequency offsetting apparatus for multi-transmitter simulcast radio communications systems
US4510595A (en) * 1983-10-03 1985-04-09 At&T Bell Laboratories Modified time-division transmission technique for digital mobile radio systems
US4675863A (en) * 1985-03-20 1987-06-23 International Mobile Machines Corp. Subscriber RF telephone system for providing multiple speech and/or data signals simultaneously over either a single or a plurality of RF channels
US4726050A (en) * 1986-02-18 1988-02-16 Motorola, Inc. Scanning receiver allocation method and apparatus for cellular radiotelephone systems
JPS62214739A (ja) * 1986-03-15 1987-09-21 Nec Corp 同期制御方式
US4901307A (en) * 1986-10-17 1990-02-13 Qualcomm, Inc. Spread spectrum multiple access communication system using satellite or terrestrial repeaters
US4907224A (en) * 1986-10-17 1990-03-06 Bydatel Corporation Method for transmitting data in multiple access data communications networks
JPS6471329A (en) * 1987-09-11 1989-03-16 Nec Corp Mobile body satellite communication system
SE460449B (sv) * 1988-02-29 1989-10-09 Ericsson Telefon Ab L M Cellindelat digitalt mobilradiosystem och foerfarande foer att oeverfoera information i ett digitalt cellindelat mobilradiosystem
GB8809259D0 (en) * 1988-04-20 1988-05-25 Dowty Information Systems Ltd Communications systems
US4914649A (en) * 1988-09-12 1990-04-03 Motorola, Inc. Multiple frequency message system
FR2646302B1 (fr) * 1989-04-25 1993-01-15 Matra Communication Procede de pseudo-synchronisation d'un reseau de communication a multiplexage dans le temps et applications
US5127100A (en) * 1989-04-27 1992-06-30 Motorola, Inc. Digital radio communication system and two way radio
US5172375A (en) * 1989-06-22 1992-12-15 Nec Corporation Multiple access satellite communication system for mini-earth station networks
US5113394A (en) * 1989-06-26 1992-05-12 Motorola, Inc. Method for repeating TDM/TDMA frames
US5109390A (en) * 1989-11-07 1992-04-28 Qualcomm Incorporated Diversity receiver in a cdma cellular telephone system
EP0437835B1 (de) * 1989-12-27 1995-04-26 Nec Corporation Rahmensynchronisierungssystem zwischen mehreren Funkbasisstationen für ein TDMA digitales Mobilkommunikationssystem
US5146609A (en) * 1990-02-27 1992-09-08 Motorola, Inc. Cellular radio system having reduced handover disruption and method for use in such a system
US5228029A (en) * 1990-02-27 1993-07-13 Motorola, Inc. Cellular tdm communication system employing offset frame synchronization
SE466179B (sv) * 1990-05-10 1992-01-07 Ericsson Telefon Ab L M Foerfarande foer att i ett tidsmultiplext radiokommunikationssystem oeverfoera olika kommandon avseende val av saendarantenn
US5179559A (en) * 1990-07-27 1993-01-12 Motorola, Inc. Handoff method for a cellular system
US5203010A (en) * 1990-11-13 1993-04-13 Motorola, Inc. Radio telephone system incorporating multiple time periods for communication transfer
US5181200A (en) * 1990-10-29 1993-01-19 International Business Machines Corporation Handoff method and apparatus for mobile wireless workstation
US5093840A (en) * 1990-11-16 1992-03-03 Scs Mobilecom, Inc. Adaptive power control for a spread spectrum transmitter
CA2066538C (en) * 1991-07-09 1997-12-23 Brian David Bolliger Mobile-telephone system call processing arrangement
US5425049A (en) * 1993-10-25 1995-06-13 Ericsson Ge Mobile Communications Inc. Staggered frequency hopping cellular radio system

Also Published As

Publication number Publication date
ES2107429T3 (es) 1997-12-01
DK0444485T3 (da) 1998-05-18
EP0444485B1 (de) 1997-10-08
EP0444485A3 (en) 1992-09-09
US5228029A (en) 1993-07-13
EP0444485A2 (de) 1991-09-04
ATE159138T1 (de) 1997-10-15
US5627830A (en) 1997-05-06
HK1003856A1 (en) 1998-11-06
GR3025389T3 (en) 1998-02-27
DE69127839T2 (de) 1998-03-26

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