DE3787906T2 - Synchronisationssteuerung zum Herstellen der Synchronisation ohne Übertragung von Entfernungsinformation zwischen lokalen und Steuerungs-Erdstationen. - Google Patents

Synchronisationssteuerung zum Herstellen der Synchronisation ohne Übertragung von Entfernungsinformation zwischen lokalen und Steuerungs-Erdstationen.

Info

Publication number
DE3787906T2
DE3787906T2 DE87103639T DE3787906T DE3787906T2 DE 3787906 T2 DE3787906 T2 DE 3787906T2 DE 87103639 T DE87103639 T DE 87103639T DE 3787906 T DE3787906 T DE 3787906T DE 3787906 T2 DE3787906 T2 DE 3787906T2
Authority
DE
Germany
Prior art keywords
synchronization
local
transmission
distance information
earth stations
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 - Fee Related
Application number
DE87103639T
Other languages
English (en)
Other versions
DE3787906D1 (de
Inventor
Takahiro Aoki
Shunichiro Tejima
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.)
NEC Corp
Original Assignee
NEC Corp
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 NEC Corp filed Critical NEC Corp
Application granted granted Critical
Publication of DE3787906D1 publication Critical patent/DE3787906D1/de
Publication of DE3787906T2 publication Critical patent/DE3787906T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
DE87103639T 1986-03-15 1987-03-13 Synchronisationssteuerung zum Herstellen der Synchronisation ohne Übertragung von Entfernungsinformation zwischen lokalen und Steuerungs-Erdstationen. Expired - Fee Related DE3787906T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP61056086A JPS62214739A (ja) 1986-03-15 1986-03-15 同期制御方式

Publications (2)

Publication Number Publication Date
DE3787906D1 DE3787906D1 (de) 1993-12-02
DE3787906T2 true DE3787906T2 (de) 1994-03-24

Family

ID=13017279

Family Applications (1)

Application Number Title Priority Date Filing Date
DE87103639T Expired - Fee Related DE3787906T2 (de) 1986-03-15 1987-03-13 Synchronisationssteuerung zum Herstellen der Synchronisation ohne Übertragung von Entfernungsinformation zwischen lokalen und Steuerungs-Erdstationen.

Country Status (6)

Country Link
US (1) US4800560A (de)
EP (1) EP0237972B1 (de)
JP (1) JPS62214739A (de)
AU (1) AU586774B2 (de)
CA (1) CA1258324A (de)
DE (1) DE3787906T2 (de)

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JPS6214546A (ja) * 1985-07-12 1987-01-23 Nec Corp 準同期バツフア制御方式
US4937819A (en) * 1988-09-26 1990-06-26 A.T. & T. Paradyne Time orthogonal multiple virtual dce for use in analog and digital networks
JPH0683172B2 (ja) * 1988-09-27 1994-10-19 日本電気株式会社 フレームアライメント方式
US5638375A (en) * 1988-11-30 1997-06-10 Motorola, Inc. AGC isolation of information in TDMA systems
JPH02256329A (ja) * 1988-12-01 1990-10-17 Nec Corp 復調器制御方式
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
US5105439A (en) * 1989-08-11 1992-04-14 Motorola, Inc. Delay equalization detector
AU647062B2 (en) * 1989-12-27 1994-03-17 Nec Corporation Frame synchronization system among multiple radio base stations for TDMA digital mobile communications system
US5228029A (en) * 1990-02-27 1993-07-13 Motorola, Inc. Cellular tdm communication system employing offset frame synchronization
JP2723691B2 (ja) * 1991-04-30 1998-03-09 日本電気株式会社 可変タイミング信号発生回路
ATE151581T1 (de) * 1992-01-31 1997-04-15 Cit Alcatel Verfahren zur bestimmung der laufzeit zwischen einer entfernten endstation und einer zentralen endstation, in einem bidirektionalen punkt-zu- mehrpunkt-übertragungssystem
US5245634A (en) * 1992-03-23 1993-09-14 Motorola, Inc. Base-site synchronization in a communication system
GB2267200B (en) * 1992-05-19 1995-10-25 Dowty Communications Ltd Packet transmission system
US5363368A (en) * 1992-05-26 1994-11-08 Motorola, Inc. Simultaneous TDMA communication system
JPH0629910A (ja) * 1992-07-09 1994-02-04 Nec Corp 無線基地局間同期方式
JPH0738606B2 (ja) * 1992-10-30 1995-04-26 日本電気株式会社 衛星通信方式
US5406559A (en) * 1992-11-02 1995-04-11 National Semiconductor Corporation Isochronous link protocol
EP0596651A1 (de) 1992-11-02 1994-05-11 National Semiconductor Corporation Datennetz mit isochroner Übertragungsfähigkeit
USRE39116E1 (en) 1992-11-02 2006-06-06 Negotiated Data Solutions Llc Network link detection and generation
USRE39395E1 (en) 1992-11-02 2006-11-14 Negotiated Data Solutions Llc Data communication network with transfer port, cascade port and/or frame synchronizing signal
EP0596648A1 (de) 1992-11-02 1994-05-11 National Semiconductor Corporation Erkennung du Fähigkeiten eines Netzendpunkts
JPH0828754B2 (ja) * 1993-06-30 1996-03-21 日本電気株式会社 フレーム同期方式
JPH0787424B2 (ja) * 1993-06-30 1995-09-20 日本電気株式会社 バースト信号送信システム
FI106824B (fi) * 1993-07-05 2001-04-12 Nokia Networks Oy Tukiasema
US5697082A (en) * 1993-10-01 1997-12-09 Greer; Steven Craig Self-calibrating frequency standard system
US5469467A (en) * 1993-10-15 1995-11-21 At&T Corp. Method for synchronizing the reference frequency oscillator of a metallic-based microcell to a master oscillator
US5440562A (en) * 1993-12-27 1995-08-08 Motorola, Inc. Communication through a channel having a variable propagation delay
US5450394A (en) * 1994-03-10 1995-09-12 Northern Telecom Limited Delay monitoring of telecommunication networks
JP2800679B2 (ja) * 1994-06-01 1998-09-21 日本電気株式会社 通信システム
US5533018A (en) 1994-12-21 1996-07-02 National Semiconductor Corporation Multi-protocol packet framing over an isochronous network
CA2191221A1 (en) 1995-03-24 1996-10-03 Brian George Flowers A conferencing system
GB2301734B (en) * 1995-05-31 1999-10-20 Motorola Ltd Communications system and method of operation
US5790939A (en) * 1995-06-29 1998-08-04 Hughes Electronics Corporation Method and system of frame timing synchronization in TDMA based mobile satellite communication system
JP3435908B2 (ja) * 1995-07-05 2003-08-11 松下電器産業株式会社 ディジタル無線通信装置
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
US5878034A (en) * 1996-05-29 1999-03-02 Lockheed Martin Corporation Spacecraft TDMA communications system with synchronization by spread spectrum overlay channel
US5805597A (en) * 1996-06-04 1998-09-08 National Semiconductor Corporation Method and apparatus for providing low power basic telephony type service over a twisted pair ethernet physical layer
FR2750559A1 (fr) * 1996-06-28 1998-01-02 Alcatel Telspace Terminal pour systeme radiotelephonique et systeme et procede utilisant ce terminal
ZA978516B (en) * 1996-09-30 1998-06-10 Qualcomm Inc Method and apparatus for precorrecting timing and frequency in communication systems.
JPH11146444A (ja) * 1997-11-11 1999-05-28 Nec Corp 移動通信基地局網の同期確立システム
US6674730B1 (en) * 1998-08-04 2004-01-06 Tachyon, Inc. Method of and apparatus for time synchronization in a communication system
EP1528692A1 (de) * 1998-08-04 2005-05-04 Tachyon, Inc. Verfahren und Vorrichtung zur Zeitsynchronisierung in enem Kommunikationssystem
DE602004013592D1 (de) * 2003-07-11 2008-06-19 Qualcomm Inc Dynamischer gemeinsam benutzter vorwärtsstreckenka
US20050095982A1 (en) * 2003-11-05 2005-05-05 Blanchard Scott D. MSS user equipment and methods for synchronizing MSS user equipment
GB0329783D0 (en) * 2003-12-23 2004-01-28 Roke Manor Research TDD for satcom application
CN101406076B (zh) * 2007-02-28 2010-06-02 华为技术有限公司 确定无线通信系统中传输时间的系统及方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3320611A (en) * 1964-04-11 1967-05-16 Nippon Electric Co Time-division radio relay communication system
JPS5324761B1 (de) * 1968-10-11 1978-07-22
US3566267A (en) * 1968-10-30 1971-02-23 Communications Satellite Corp Burst synchronization method and apparatus
JPS61184014A (ja) * 1985-02-08 1986-08-16 Nec Corp 時分割多元接続通信における初期接続方式及び装置

Also Published As

Publication number Publication date
US4800560A (en) 1989-01-24
EP0237972B1 (de) 1993-10-27
CA1258324A (en) 1989-08-08
JPS62214739A (ja) 1987-09-21
AU586774B2 (en) 1989-07-20
EP0237972A2 (de) 1987-09-23
EP0237972A3 (en) 1989-11-02
DE3787906D1 (de) 1993-12-02
AU6999687A (en) 1987-09-17

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee