JPH052022B2 - - Google Patents

Info

Publication number
JPH052022B2
JPH052022B2 JP61199038A JP19903886A JPH052022B2 JP H052022 B2 JPH052022 B2 JP H052022B2 JP 61199038 A JP61199038 A JP 61199038A JP 19903886 A JP19903886 A JP 19903886A JP H052022 B2 JPH052022 B2 JP H052022B2
Authority
JP
Japan
Prior art keywords
synchronization
pattern
satellite
metric pattern
metric
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
JP61199038A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6356024A (ja
Inventor
Juhei Ishi
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
Nippon Electric 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 Nippon Electric Co Ltd filed Critical Nippon Electric Co Ltd
Priority to JP61199038A priority Critical patent/JPS6356024A/ja
Priority to US07/087,662 priority patent/US4800561A/en
Priority to CA000545267A priority patent/CA1260635A/en
Priority to AU77459/87A priority patent/AU586783B2/en
Priority to EP87112405A priority patent/EP0257634B1/en
Priority to DE87112405T priority patent/DE3785518T2/de
Publication of JPS6356024A publication Critical patent/JPS6356024A/ja
Publication of JPH052022B2 publication Critical patent/JPH052022B2/ja
Granted 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
    • H04B7/2046—SS-TDMA, TDMA satellite switching
    • H04B7/2048—Frame structure, synchronisation or frame acquisition in SS-TDMA systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Radio Relay Systems (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
JP61199038A 1986-08-27 1986-08-27 同期バ−スト送信位相制御方式 Granted JPS6356024A (ja)

Priority Applications (6)

Application Number Priority Date Filing Date Title
JP61199038A JPS6356024A (ja) 1986-08-27 1986-08-27 同期バ−スト送信位相制御方式
US07/087,662 US4800561A (en) 1986-08-27 1987-08-20 Synchronization burst transmit phase control system
CA000545267A CA1260635A (en) 1986-08-27 1987-08-25 Synchronization burst transmit phase control system
AU77459/87A AU586783B2 (en) 1986-08-27 1987-08-26 Synchronization burst transmit phase control system
EP87112405A EP0257634B1 (en) 1986-08-27 1987-08-26 Synchronisation burst transmit phase control system
DE87112405T DE3785518T2 (de) 1986-08-27 1987-08-26 System zur Steuerung der Sendephase eines Synchronisationsbursts.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP61199038A JPS6356024A (ja) 1986-08-27 1986-08-27 同期バ−スト送信位相制御方式

Publications (2)

Publication Number Publication Date
JPS6356024A JPS6356024A (ja) 1988-03-10
JPH052022B2 true JPH052022B2 (en, 2012) 1993-01-11

Family

ID=16401084

Family Applications (1)

Application Number Title Priority Date Filing Date
JP61199038A Granted JPS6356024A (ja) 1986-08-27 1986-08-27 同期バ−スト送信位相制御方式

Country Status (6)

Country Link
US (1) US4800561A (en, 2012)
EP (1) EP0257634B1 (en, 2012)
JP (1) JPS6356024A (en, 2012)
AU (1) AU586783B2 (en, 2012)
CA (1) CA1260635A (en, 2012)
DE (1) DE3785518T2 (en, 2012)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4089286A1 (en) 2021-05-12 2022-11-16 Sanyo Denki Co., Ltd. Reversible fan
EP4089285A1 (en) 2021-05-12 2022-11-16 Sanyo Denki Co., Ltd. Reversible fan

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4879711A (en) * 1986-08-14 1989-11-07 Hughes Aircraft Company Satellite communications system employing frequency reuse
JPH01106639A (ja) * 1987-10-20 1989-04-24 Nec Corp 衛星通信地球局用送受装置
US5668556A (en) * 1991-10-02 1997-09-16 Alcatel Espace Low-orbit satellite communications system for terminals
US5315589A (en) * 1991-10-03 1994-05-24 Hughes Aircraft Company TDMA synchronization using visibility designation
US5689568A (en) * 1995-06-29 1997-11-18 Hughes Electronics Medium access control for a mobile satellite system
US6072786A (en) * 1997-06-12 2000-06-06 Ericsson Inc. Method for acquisition of spotbeam beacon frequency within a satellite communications system
US6748451B2 (en) 1998-05-26 2004-06-08 Dow Global Technologies Inc. Distributed computing environment using real-time scheduling logic and time deterministic architecture
US6452962B1 (en) * 1999-06-11 2002-09-17 Trw Inc. Mitigation of co-channel interference in synchronization bursts in a multi-beam communication system
US7450914B2 (en) * 2001-07-31 2008-11-11 Hughes Network Systems, Llc Method and apparatus for allocating data communications resources in a satellite communications network

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS577490B2 (en, 2012) * 1974-02-26 1982-02-10
US4054753A (en) * 1975-10-20 1977-10-18 Digital Communications Corporation Double sync burst TDMA system
US4602375A (en) * 1982-06-11 1986-07-22 Communications Satellite Corporation Onboard clock correction by means of drift prediction
US4686673A (en) * 1984-02-15 1987-08-11 Toshinori Hotta Synchronizing burst transmission phase control system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4089286A1 (en) 2021-05-12 2022-11-16 Sanyo Denki Co., Ltd. Reversible fan
EP4089285A1 (en) 2021-05-12 2022-11-16 Sanyo Denki Co., Ltd. Reversible fan

Also Published As

Publication number Publication date
AU586783B2 (en) 1989-07-20
JPS6356024A (ja) 1988-03-10
EP0257634A2 (en) 1988-03-02
US4800561A (en) 1989-01-24
EP0257634B1 (en) 1993-04-21
AU7745987A (en) 1988-03-03
DE3785518T2 (de) 1993-11-18
CA1260635A (en) 1989-09-26
DE3785518D1 (de) 1993-05-27
EP0257634A3 (en) 1989-05-31

Similar Documents

Publication Publication Date Title
US4532635A (en) System and method employing two hop spread spectrum signal transmissions between small earth stations via a satellite and a large earth station and structure and method for synchronizing such transmissions
US4218654A (en) Space diversity system in TDMA communication system
US4107608A (en) Method and apparatus for burst synchronization in a time division multiple access communication system
EP0152108B1 (en) Synchronizing burst transmission phase control system
US4617674A (en) Synchronizing system for spread spectrum transmissions between small earth stations by satellite via an intermediate hop to a large earth station
US6549545B1 (en) Pilot signal detection method and receiver
US5867489A (en) Method and apparatus for TDMA slot synchronization with precision ranging
JPH052022B2 (en, 2012)
US4262356A (en) Method and system for synchronizing a TDMA communication network comprising a satellite equipped with several directional beam antennas transmitting signals at various frequencies
US3654395A (en) Synchronization of tdma space division satellite system
US5982809A (en) Method and apparatus for carrier recovery and compensation in spread spectrum communications
JPH11177544A (ja) 受信同期回路とこれを用いた受信機及びデジタル通信システム
US4587661A (en) Apparatus for synchronizing spread spectrum transmissions from small earth stations used for satellite transmission
KR100791824B1 (ko) 통신 시스템에서 타이밍 및 주파수를 예비정정하는 방법
CA2180203C (en) Radio communication apparatus and method
Carter Survey of synchronization techniques for a TDMA satellite-switched system
Giraud et al. Receiver synchronisation based on a single dummy frame for DVB-S2/S2X beam hopping systems
JPH0618338B2 (ja) Ｓｓ−ｔｄｍａ衛星通信の同期バースト送信位相制御方式
JPH0360210B2 (en, 2012)
JPH0360211B2 (en, 2012)
JPS6310616B2 (en, 2012)
JPH09289499A (ja) 同期制御装置及び方法
Acampora et al. Baseband processing in a high-speed burst modem for a satellite-switched TDMA system
JPH0442857B2 (en, 2012)
JP2004128658A (ja) 衛星通信システム、受信地球局及び通信衛星切替方法