DE69431984T2 - Phasensynchronisationssystem für ortsvermittlungen - Google Patents

Phasensynchronisationssystem für ortsvermittlungen

Info

Publication number
DE69431984T2
DE69431984T2 DE69431984T DE69431984T DE69431984T2 DE 69431984 T2 DE69431984 T2 DE 69431984T2 DE 69431984 T DE69431984 T DE 69431984T DE 69431984 T DE69431984 T DE 69431984T DE 69431984 T2 DE69431984 T2 DE 69431984T2
Authority
DE
Germany
Prior art keywords
locations
phase synchronization
synchronization system
phase
synchronization
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
DE69431984T
Other languages
English (en)
Other versions
DE69431984D1 (de
Inventor
Shogo Ito
Nobuhiro Nishikawa
Mitsuru Murata
Toshihiro Nozawa
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.)
NTT Docomo Inc
Nippon Telegraph and Telephone Corp
Original Assignee
Nippon Telegraph and Telephone Corp
NTT Mobile Communications Networks 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 Nippon Telegraph and Telephone Corp, NTT Mobile Communications Networks Inc filed Critical Nippon Telegraph and Telephone Corp
Publication of DE69431984D1 publication Critical patent/DE69431984D1/de
Application granted granted Critical
Publication of DE69431984T2 publication Critical patent/DE69431984T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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]
    • H04B7/2125—Synchronisation
DE69431984T 1993-07-12 1994-07-11 Phasensynchronisationssystem für ortsvermittlungen Expired - Lifetime DE69431984T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP17183393 1993-07-12
PCT/JP1994/001127 WO1995002932A1 (fr) 1993-07-12 1994-07-11 Systeme de synchronisation de phases interservices

Publications (2)

Publication Number Publication Date
DE69431984D1 DE69431984D1 (de) 2003-02-13
DE69431984T2 true DE69431984T2 (de) 2003-08-28

Family

ID=15930601

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69431984T Expired - Lifetime DE69431984T2 (de) 1993-07-12 1994-07-11 Phasensynchronisationssystem für ortsvermittlungen

Country Status (6)

Country Link
US (1) US5734985A (de)
EP (1) EP0668667B1 (de)
JP (1) JP3166174B2 (de)
CN (1) CN1054244C (de)
DE (1) DE69431984T2 (de)
WO (1) WO1995002932A1 (de)

Families Citing this family (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6011977A (en) * 1995-11-30 2000-01-04 Ericsson Inc. RF simulcasting system with dynamic wide-range automatic synchronization
KR0168797B1 (ko) * 1996-04-02 1999-02-01 김광호 기지국 송신기의 동시 송출 제어장치
US5937357A (en) * 1996-05-15 1999-08-10 Nec Corporation Network comprising base stations for selectivity calling mobile units by call radio signals of different bit rates in phase coincidence
CA2230804C (en) 1996-06-27 2006-10-17 Ntt Mobile Communications Network Inc. Radio paging system
JP2861955B2 (ja) * 1996-07-24 1999-02-24 日本電気株式会社 局間位相同期システム
DE19633786A1 (de) * 1996-08-22 1998-02-26 Bosch Gmbh Robert Verfahren zur Synchronisation von Funkzellen im Gleichwellenfunk und Funkstation
KR100206310B1 (ko) * 1997-01-17 1999-07-01 윤종용 지상위치측정시스템 수신기의 상태/알람 관리와 시스템시간 방송 방법 및 그 장치
DE19723497A1 (de) * 1997-06-05 1998-12-10 Rohde & Schwarz Funknetz
US6278876B1 (en) * 1997-07-14 2001-08-21 Hughes Electronics Corporation System and method for implementing terminal to terminal connections via a geosynchronous earth orbit satellite
DE19813564A1 (de) * 1998-03-27 1999-09-30 Wandel & Goltermann Management Verfahren und Vorrichtung zur Messung der Übertragungsqualität in Zellen von Mobilfunknetzen
US6178333B1 (en) * 1998-04-15 2001-01-23 Metawave Communications Corporation System and method providing delays for CDMA nulling
US6256507B1 (en) * 1998-08-31 2001-07-03 Telefonaktiebolaget Lm Ericsson (Publ) Telecommunications network synchronization for data services
CN1093723C (zh) * 1998-09-04 2002-10-30 华为技术有限公司 移动通信系统全网基站同步方法
US6324586B1 (en) 1998-09-17 2001-11-27 Jennifer Wallace System for synchronizing multiple computers with a common timing reference
US6553225B1 (en) 1999-02-03 2003-04-22 Wei Zhao Apparatus and method for positioning single-offset zones in a spot beam coverage area to maximize call duration in a satellite-based communications network
US6332069B1 (en) 1999-02-10 2001-12-18 Hughes Electronics Corporation Apparatus and method for grouping carriers to minimize the occurrence of call blocking in a satellite-based communications network
US6266536B1 (en) * 1999-05-03 2001-07-24 Ericsson Inc. System and method for dynamic overlap compensation in a simulcast network
US6493539B1 (en) * 1999-07-28 2002-12-10 Lucent Technologies Inc. Providing an accurate timing source for locating the geographical position of a mobile
ATE372625T1 (de) * 2000-02-18 2007-09-15 Bridgeco Ag Mehrtor-brücke zur lieferung von netzwerkverbindungen
FI20001298A (fi) * 2000-05-30 2001-12-01 Nokia Networks Oy Kehyslähetysten synkronointi tietoliikenneverkossa
US20020172309A1 (en) * 2001-05-15 2002-11-21 International Business Machines Corporation Universal clock reference
US7209795B2 (en) 2002-04-23 2007-04-24 Gateway Inc. Method of synchronizing the playback of a digital audio broadcast by inserting a control track pulse
US7333519B2 (en) * 2002-04-23 2008-02-19 Gateway Inc. Method of manually fine tuning audio synchronization of a home network
US7392102B2 (en) * 2002-04-23 2008-06-24 Gateway Inc. Method of synchronizing the playback of a digital audio broadcast using an audio waveform sample
US20030219723A1 (en) * 2002-05-20 2003-11-27 Lu Henry H. Compositions and methods for screening and identifying anti-HCV agents
JP2004023350A (ja) * 2002-06-14 2004-01-22 Mitsubishi Electric Corp 基地局及び通信方法及び通信プログラム及び通信プログラムを記録したコンピュータ読み取り可能な記録媒体
US7174133B2 (en) * 2003-05-16 2007-02-06 Agilent Technologies, Inc. Systems and methods for determining the delay offsets of communication systems
US7760704B2 (en) * 2004-06-29 2010-07-20 Interdigital Technology Corporation System and method for call routing and paging across different types of networks
JPWO2006082628A1 (ja) * 2005-02-01 2008-06-26 三菱電機株式会社 基地局間同期システム、同期制御装置および基地局
US8364185B2 (en) * 2005-04-18 2013-01-29 Samsung Electronics Co., Ltd. Method and system for synchronizing a clock for an adjacent network to a clock for an overlay network
US8660153B2 (en) * 2008-09-17 2014-02-25 Qualcomm Incorporated Methods and apparatus for frame number synchronization in wireless communication networks

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58111784A (ja) * 1981-12-25 1983-07-02 Nec Corp 時刻の遠隔較正方式
JPS6162244A (ja) * 1984-09-04 1986-03-31 Nec Corp 局間自動位相補償方式
US4899117A (en) * 1987-12-24 1990-02-06 The United States Of America As Represented By The Secretary Of The Army High accuracy frequency standard and clock system
JPH0215135A (ja) * 1988-06-30 1990-01-18 Aichi Steel Works Ltd 通気性発泡アルミニウムの製造方法
JPH0267820A (ja) * 1988-09-02 1990-03-07 Toyo Commun Equip Co Ltd 標準周波数クロック発生装置
US5003617A (en) * 1988-10-21 1991-03-26 Motorola, Inc. Simulcast broadcasting system and method
JPH02151135A (ja) * 1988-12-02 1990-06-11 Fujitsu Ltd 遅延補償方式
JPH0361893A (ja) * 1989-07-31 1991-03-18 Mazda Motor Corp 車載用時計
US5046128A (en) * 1989-08-11 1991-09-03 Motorola, Inc. Frequency equalized simulcast broadcasting system and method
US5287550A (en) * 1990-12-24 1994-02-15 Motorola, Inc. Simulcast scheduler
AU1342892A (en) * 1991-01-28 1992-08-27 Motorola, Inc. Simulcast transmission system having predetermined launch times
US5261118A (en) * 1991-10-04 1993-11-09 Motorola, Inc. Simulcast synchronization and equalization system and method therefor
US5257404A (en) * 1991-10-04 1993-10-26 Motorola, Inc. Simulcast synchronization and equalization system and method therefor
US5280629A (en) * 1991-12-06 1994-01-18 Motorola, Inc. Technique for measuring channel delay
DE69329209T2 (de) * 1992-01-10 2001-04-05 Nec Corp Synchronfunkrufsystem
CA2091962A1 (en) * 1992-03-31 1993-10-01 Mark L. Witsaman Clock synchronization system
GB2271248B (en) * 1992-10-05 1997-04-02 Motorola Inc Simulcast transmission system
US5521887A (en) * 1993-07-30 1996-05-28 Trimble Navigation Limited Time transfer system

Also Published As

Publication number Publication date
EP0668667A1 (de) 1995-08-23
DE69431984D1 (de) 2003-02-13
JP3166174B2 (ja) 2001-05-14
EP0668667A4 (de) 1995-11-15
CN1054244C (zh) 2000-07-05
EP0668667B1 (de) 2003-01-08
CN1111468A (zh) 1995-11-08
WO1995002932A1 (fr) 1995-01-26
US5734985A (en) 1998-03-31

Similar Documents

Publication Publication Date Title
DE69431984T2 (de) Phasensynchronisationssystem für ortsvermittlungen
DE69633842D1 (de) Phasensynchronisationssystem
DE69405388D1 (de) Multimedia synchronisationssystem
DE69327318T2 (de) Unterstützung für systementwicklung.
GB2282464B (en) Splice synchronization system
DE69424530T2 (de) Synchronisieranordnung
DE69629384D1 (de) Anlegesystem für ein flugzeug
DE69527590T2 (de) Frequenzsynchronisierung für OFDM-System
DE69419294T2 (de) Trägersystem für Wandler
DE69409142D1 (de) Synchronisationssystem für redundante Aufträge
DE69700318T2 (de) Phasensynchronisationssystem
FI954393A0 (fi) Synkronointilaitteisto
DE69522621T2 (de) Steuerungssystem für Phasenregelschleife
DE69316157D1 (de) Phasensynchronisierungsschaltungen
DE69534017D1 (de) Uhren synchronisierung
DE69420878T2 (de) Synchrongeschalteter Taktgeber
DE69614329T2 (de) Bolzen-typ Synchronisiereinheit
DE69413251T2 (de) Orientierungskorrektursystem für beobachtungsgerät
DE59302826D1 (de) Synchronisationsverfahren für Automatisierungssysteme
DE69432890D1 (de) Taktverteilungssystem für synchrone Schaltungsanordnungen
DE9319660U1 (de) Trennwandsystem
KR950027645U (ko) 모노카트시스템용 모노레일
NO953824L (no) Informasjonssystem for butikker
DE9309742U1 (de) Einsatzsystem für Schubfächer
KR950022039U (ko) 통합동기시스템

Legal Events

Date Code Title Description
8364 No opposition during term of opposition