SG64846A1 - Method and apparatus for providing a synchronous communication environment - Google Patents

Method and apparatus for providing a synchronous communication environment

Info

Publication number
SG64846A1
SG64846A1 SG1995001400A SG1995001400A SG64846A1 SG 64846 A1 SG64846 A1 SG 64846A1 SG 1995001400 A SG1995001400 A SG 1995001400A SG 1995001400 A SG1995001400 A SG 1995001400A SG 64846 A1 SG64846 A1 SG 64846A1
Authority
SG
Singapore
Prior art keywords
providing
communication environment
synchronous communication
synchronous
environment
Prior art date
Application number
SG1995001400A
Other languages
English (en)
Inventor
Charles J Malek
David L Weigand
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 SG64846A1 publication Critical patent/SG64846A1/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/14—Relay systems
    • H04B7/15—Active relay systems
    • H04B7/204—Multiple access
    • H04B7/212—Time-division multiple access [TDMA]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/24—Radio transmission systems, i.e. using radiation field for communication between two or more posts
    • H04B7/26—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile
    • H04B7/2662—Arrangements for Wireless System Synchronisation
    • H04B7/2671—Arrangements for Wireless Time-Division Multiple Access [TDMA] System Synchronisation
    • H04B7/2678—Time synchronisation
    • H04B7/2687—Inter base stations synchronisation
    • H04B7/269—Master/slave synchronisation

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
SG1995001400A 1994-09-23 1995-09-21 Method and apparatus for providing a synchronous communication environment SG64846A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/311,467 US5784368A (en) 1994-09-23 1994-09-23 Method and apparatus for providing a synchronous communication environment

Publications (1)

Publication Number Publication Date
SG64846A1 true SG64846A1 (en) 1999-05-25

Family

ID=23207001

Family Applications (1)

Application Number Title Priority Date Filing Date
SG1995001400A SG64846A1 (en) 1994-09-23 1995-09-21 Method and apparatus for providing a synchronous communication environment

Country Status (12)

Country Link
US (1) US5784368A (ko)
JP (1) JPH08102977A (ko)
KR (1) KR100203002B1 (ko)
CN (1) CN1126931A (ko)
BR (1) BR9504135A (ko)
CA (1) CA2157727C (ko)
DE (1) DE19535301A1 (ko)
FR (1) FR2725088A1 (ko)
GB (1) GB2293526A (ko)
SE (1) SE9503284L (ko)
SG (1) SG64846A1 (ko)
TW (1) TW288239B (ko)

Families Citing this family (52)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3456037B2 (ja) * 1994-12-13 2003-10-14 ソニー株式会社 デジタルコードレス電話用親機
JP3244610B2 (ja) * 1995-01-27 2002-01-07 株式会社日立製作所 周波数ホッピング方式無線ｌａｎシステム
GB9508884D0 (en) * 1995-05-02 1995-06-21 Telecom Sec Cellular Radio Ltd Cellular radio system
DE19536587C2 (de) * 1995-09-29 1999-07-29 Siemens Ag Verfahren zum Synchronisieren von Basisstationen eines drahtlosen Mehrzellen-Telekommunikationssystems sowie Basisstation eines drahtlosen Mehrzellen-Telekommunikationssystems
GB2309357B (en) * 1996-01-18 2000-08-16 Nokia Mobile Phones Ltd Communicating between base stations and cellular mobile phones
US6151352A (en) * 1996-04-16 2000-11-21 Brother Kogyo Kabushiki Kaisha Wireless communication using a frequency hopping method
US5940765A (en) * 1996-08-30 1999-08-17 Telefonaktiebolaget Lm Ericsson Radio communications systems and methods for jittered beacon transmission
US6289037B1 (en) * 1997-02-24 2001-09-11 At&T Wireless Services Inc. Out of channel cyclic redundancy code method for a discrete multitone spread spectrum communications system
JPH10261980A (ja) * 1997-03-18 1998-09-29 Fujitsu Ltd 無線通信ネットワーク用基地局装置，無線通信ネットワークの通信制御方法，無線通信ネットワークシステムおよび無線端末装置
US6332086B2 (en) * 1997-04-07 2001-12-18 Graham Avis Discontinuous receive operation in a wireless terminal
DE19735527C2 (de) * 1997-08-16 2003-02-06 Philips Corp Intellectual Pty Kommunikationssystem mit mehreren Funksystemen
GB2329553B (en) * 1997-08-22 2002-08-28 Olivetti Telemedia Spa Radio communication system
US6751196B1 (en) * 1997-08-27 2004-06-15 Philips Electronics North America Corp. Apparatus and method for peer-to-peer link monitoring of a wireless network with centralized control
JP3097074B2 (ja) * 1997-12-09 2000-10-10 日本電気株式会社 受信同期回路と受信同期方法及びこれを用いた受信機とデジタル通信システム
GB2333420A (en) * 1998-01-14 1999-07-21 Nokia Mobile Phones Ltd Remote headset for a mobile phone
US6018667A (en) * 1998-01-20 2000-01-25 Motorola, Inc. Method and apparatus for transmitting information regarding the synchronization status of a base station
US6643281B1 (en) 1998-03-05 2003-11-04 At&T Wireless Services, Inc. Synchronization preamble method for OFDM waveforms in a communications system
FR2778518A1 (fr) 1998-05-11 1999-11-12 Inst Nat Rech Inf Automat Installation de transmission de donnees a stations relais synchronisees, et procede correspondant
US6490454B1 (en) * 1998-08-07 2002-12-03 Telefonaktiebolaget Lm Ericsson (Publ) Downlink observed time difference measurements
DE19845040A1 (de) * 1998-09-30 2000-04-06 Siemens Ag Verfahren zum rückwirkungsfreien Betreiben von mindestens zwei nach dem DCMA (Code Division Multiple Access)-Prinzip arbeitenden Basisstationen in einem universellen Mobiltelekommunikationssystem, vorzugsweise Inhouse-Basisstationen, mit teilweise überlappenden Funkfeldern untereinander und/oder zu einem Telekommunikations-Funkzellennetz
US6377608B1 (en) * 1998-09-30 2002-04-23 Intersil Americas Inc. Pulsed beacon-based interference reduction mechanism for wireless communication networks
JP4103208B2 (ja) * 1998-10-30 2008-06-18 ソニー株式会社 無線伝送制御方法及び無線伝送装置
DE19916064C2 (de) * 1999-04-09 2003-02-20 Siemens Ag Synchronisationsverfahren für Basisstationen
US6542754B1 (en) * 1999-05-12 2003-04-01 Cisco Systems, Inc. Synchronizing clock signals in wireless networks
DE19930423A1 (de) * 1999-07-01 2001-01-18 Siemens Ag Schnurloses Datenübertragungsnetzwerk und Verfahren zu seiner Verwaltung
US6493560B1 (en) * 1999-11-19 2002-12-10 Siemens Information & Communication Mobile, Llc Method and system for changing states in a wireless telecommunication system
US6278742B1 (en) * 1999-11-19 2001-08-21 Siemens Information And Communication Mobile Llc. Method and system for power-conserving interference avoidance in communication between a mobile unit and a base unit in a wireless telecommunication system
DK1273111T3 (da) * 2000-04-07 2006-07-10 Interdigital Tech Corp Basisstationssynkronisering til trådlöse kommunikationssystemer
DE10026615B4 (de) * 2000-05-19 2004-12-23 Systemonic Ag Verfahren und Anordnung zum Empfang von CDMA-Signalen
GB2402022B (en) * 2000-07-14 2005-03-30 Ip Access Ltd Cellular radio telecommunication systems
DE60043815D1 (de) 2000-09-12 2010-03-25 Motorola Inc Ad hoc Telekommunikationsnetzwerkverwaltung und Vermittlung
WO2002058275A1 (en) * 2001-01-17 2002-07-25 Roke Manor Research Limited Method of synchronising base station transmitters
US6826244B2 (en) 2001-02-27 2004-11-30 Interdigital Technology Corporation Initial cell search algorithm for 3G FDD wireless communication systems
GB2375014A (en) * 2001-04-27 2002-10-30 Ericsson Telefon Ab L M Neighbour discovery in a communication network
US6975877B1 (en) 2001-10-17 2005-12-13 Cisco Technology, Inc. System and method for synchronizing clock dividers in a wireless network
US7813311B2 (en) * 2002-02-05 2010-10-12 Interdigital Technology Corporation Method and apparatus for synchronizing base stations
US7502614B2 (en) * 2002-02-18 2009-03-10 Sony Corporation Radio communication system, radio communication apparatus and radio communication method, and computer program
JP2005151369A (ja) * 2003-11-19 2005-06-09 Nec Corp アンテナ選択システム及びその方法並びにそれを用いた無線通信装置
US7844289B2 (en) * 2006-03-06 2010-11-30 Intel Corporation Method and apparatus for synchronization of base stations in a broadband wireless access system
US7826422B2 (en) * 2006-04-25 2010-11-02 Stmicroelectronics, Inc. Synchronized, semi-dynamic frequency hopping method for WRAN and other wireless networks
US7613156B2 (en) 2006-06-08 2009-11-03 Motorola, Inc. Method for energy efficient prospective peer discovery in an ad hoc network
CN101056135B (zh) * 2006-06-15 2010-05-12 华为技术有限公司 无线区域网络系统及调整小区同步的方法
GB2441375B (en) 2006-08-29 2011-03-02 Ubiquisys Ltd Basestation for cellular communication system
US8010138B2 (en) * 2007-08-15 2011-08-30 Nokia Corporation Alternate mobile network cell synchronization
EP2107766B1 (de) * 2008-04-01 2016-02-24 GIRA Giersiepen GmbH & Co. KG Elektrisches gerät, insbesondere stationsgerät für eine hauskommunikationsanlage"
EP2283694B1 (en) 2008-06-03 2021-01-27 Nokia Technologies Oy Cell search for flexible spectrum use
EP2286612A4 (en) * 2008-06-04 2016-12-28 Nokia Technologies Oy DELETION OF INTERFERENCES ON COMMON CHANNELS IN NON-COORDINATED NETWORK DEPLOYMENTS FOR FLEXIBLE SPECTRUM USE
JP5332840B2 (ja) 2009-04-08 2013-11-06 ソニー株式会社 無線通信装置、無線通信システム、無線通信方法及びプログラム
ES2661996T3 (es) * 2012-10-17 2018-04-05 Telefónica, S.A. Método para proporcionar sincronización de fase a estaciones base celulares no sincronizadas en fase
WO2017168539A1 (ja) * 2016-03-29 2017-10-05 株式会社日立国際電気 無線通信システム
CN106879060A (zh) * 2017-03-29 2017-06-20 武汉米风通信技术有限公司 一种广电频谱超窄带物联网多基站信标识别方法
US10289790B2 (en) * 2017-06-14 2019-05-14 Nuvoton Technology Corporation System, method and computer product for enhanced decoupling capacitor implementation

Family Cites Families (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3983498A (en) * 1975-11-13 1976-09-28 Motorola, Inc. Digital phase lock loop
NL8401101A (nl) * 1984-04-06 1985-11-01 Philips Nv Draaggolfsynchroniseersysteem en daarvoor geschikt basisstation.
FI71452C (fi) * 1985-04-10 1986-12-19 Arvo Mustonen Synkroniseringsfoerfarande foer ett lokalt t ex riksomfattandepersonsoekarnaets radiosaendare
GB8510808D0 (en) * 1985-04-29 1985-06-05 Automation & Computer Systems Communication system
US4696052A (en) * 1985-12-31 1987-09-22 Motorola Inc. Simulcast transmitter apparatus having automatic synchronization capability
US4901368A (en) * 1987-10-19 1990-02-13 American Telephone And Telegraph Company Frequency translation correction scheme for satellite communication system
US5293423A (en) * 1989-09-12 1994-03-08 Telefonaktiebolaget L M Ericsson Synchronizing method in a mobile radio system
JPH0494228A (ja) * 1990-08-09 1992-03-26 Matsushita Electric Ind Co Ltd ダイナミックチャネル割当方法
US5144668A (en) * 1991-01-25 1992-09-01 Motorola, Inc. Signal overlap detection in a communication system
US5212715A (en) * 1991-01-25 1993-05-18 Motorola, Inc. Digital communication signalling system
US5117441A (en) * 1991-02-25 1992-05-26 Motorola, Inc. Method and apparatus for real-time demodulation of a GMSK signal by a non-coherent receiver
US5293645A (en) * 1991-10-04 1994-03-08 Sharp Microelectronics Technology, Inc. Apparatus and method for locating mobile and portable radio terminals in a radio network
US5257404A (en) * 1991-10-04 1993-10-26 Motorola, Inc. Simulcast synchronization and equalization system and method therefor
US5327581A (en) * 1992-05-29 1994-07-05 Motorola, Inc. Method and apparatus for maintaining synchronization in a simulcast system
JPH0629910A (ja) * 1992-07-09 1994-02-04 Nec Corp 無線基地局間同期方式
US5285443A (en) * 1992-08-25 1994-02-08 Motorola, Inc. Method and apparatus for synchronizing a time division duplexing communication system
CA2107606A1 (en) * 1992-10-07 1994-04-08 Keishi Matsuno Method of establishing inter-base-station synchronization and mobile radio communication system using the method
US5287384A (en) * 1992-10-15 1994-02-15 Lxe Inc. Frequency hopping spread spectrum data communications system
GB9302975D0 (en) * 1993-02-15 1993-03-31 Shaye Communications Ltd Improvements relating to duplex communications systems
US5448570A (en) * 1993-03-17 1995-09-05 Kyocera Corporation System for mutual synchronization and monitoring between base stations
WO1994022245A1 (en) * 1993-03-23 1994-09-29 Telefonaktiebolaget Lm Ericsson A method for cascading of microbases
WO1994028643A1 (en) * 1993-05-27 1994-12-08 Nokia Telecommunications Oy Base station for a tdma cellular radio network
DE4317895C2 (de) * 1993-05-28 1996-11-14 Siemens Ag Verfahren zum Synchronisieren von Basisstationen in einem mehrzellularen, drahtlosen Fernsprechsystem
US5388102A (en) * 1993-07-01 1995-02-07 At&T Corp. Arrangement for synchronizing a plurality of base stations
JPH0799473A (ja) * 1993-09-28 1995-04-11 Toshiba Corp ディジタル移動通信装置

Also Published As

Publication number Publication date
TW288239B (ko) 1996-10-11
CN1126931A (zh) 1996-07-17
US5784368A (en) 1998-07-21
MX9504036A (es) 1998-12-31
BR9504135A (pt) 1996-07-30
CA2157727A1 (en) 1996-03-24
DE19535301A1 (de) 1996-03-28
KR960012803A (ko) 1996-04-20
KR100203002B1 (ko) 1999-06-15
GB9518836D0 (en) 1995-11-15
FR2725088A1 (fr) 1996-03-29
CA2157727C (en) 1999-08-10
SE9503284L (sv) 1996-03-24
JPH08102977A (ja) 1996-04-16
SE9503284D0 (sv) 1995-09-22
GB2293526A (en) 1996-03-27

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