JPS6157741B2 - - Google Patents

Info

Publication number
JPS6157741B2
JPS6157741B2 JP4055182A JP4055182A JPS6157741B2 JP S6157741 B2 JPS6157741 B2 JP S6157741B2 JP 4055182 A JP4055182 A JP 4055182A JP 4055182 A JP4055182 A JP 4055182A JP S6157741 B2 JPS6157741 B2 JP S6157741B2
Authority
JP
Japan
Prior art keywords
frequency
signal
output
transmission
pilot
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
Application number
JP4055182A
Other languages
English (en)
Japanese (ja)
Other versions
JPS57181239A (en
Inventor
Hiroaki Shimayama
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 JP4055182A priority Critical patent/JPS57181239A/ja
Publication of JPS57181239A publication Critical patent/JPS57181239A/ja
Publication of JPS6157741B2 publication Critical patent/JPS6157741B2/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
    • H04B7/155—Ground-based stations

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Radio Relay Systems (AREA)
JP4055182A 1982-03-15 1982-03-15 Transmission frequency controller Granted JPS57181239A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4055182A JPS57181239A (en) 1982-03-15 1982-03-15 Transmission frequency controller

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4055182A JPS57181239A (en) 1982-03-15 1982-03-15 Transmission frequency controller

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
JP52133860A Division JPS5811143B2 (ja) 1977-11-07 1977-11-07 送信周波数制御装置

Publications (2)

Publication Number Publication Date
JPS57181239A JPS57181239A (en) 1982-11-08
JPS6157741B2 true JPS6157741B2 (enrdf_load_stackoverflow) 1986-12-08

Family

ID=12583581

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4055182A Granted JPS57181239A (en) 1982-03-15 1982-03-15 Transmission frequency controller

Country Status (1)

Country Link
JP (1) JPS57181239A (enrdf_load_stackoverflow)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0654891B2 (ja) * 1983-07-22 1994-07-20 日本電気株式会社 移動通信方式
US6724804B1 (en) 1998-07-13 2004-04-20 Kabushiki Kaisha Kobe Seiko Sho Frequency converter and radio communications system employing the same
JP4892286B2 (ja) * 2006-06-29 2012-03-07 京セラ株式会社 移動体無線通信装置及び送信周波数制御方法
JP5422285B2 (ja) * 2009-07-21 2014-02-19 株式会社Ｉｈｉエアロスペース 通信装置

Also Published As

Publication number Publication date
JPS57181239A (en) 1982-11-08

Similar Documents

Publication Publication Date Title
US6212397B1 (en) Method and system for controlling remote multipoint stations
US4363129A (en) Method and means of minimizing simulcast distortion in a receiver when using a same-frequency repeater
US4520474A (en) Duplex communication transceiver with modulation cancellation
US4932070A (en) Mechanism for deriving accurate frequency reference for satellite communications burst demodulator
US6229991B1 (en) Method of and apparatus for automatic frequency control range extension
JPH0365691B2 (enrdf_load_stackoverflow)
JPH03112224A (ja) 衛星トランスポンダ
US5497402A (en) Automatic frequency control device for satellite communications ground system
CA1201777A (en) Two pilot frequency control for communication systems
CA1193674A (en) Two pilot frequency control for communication systems
JPS6157741B2 (enrdf_load_stackoverflow)
US6728523B1 (en) Method and apparatus for stabilizing frequency of output signal of relay station in radio communication system
JPS5811143B2 (ja) 送信周波数制御装置
JP2002101032A (ja) 地上波デジタル放送用ギャップフィラー
JPS5923500B2 (ja) 送信周波数制御装置
WO1999000967A1 (en) Method of synchronization
JP4074807B2 (ja) ミリ波帯送受信システム、送信装置、及び受信装置
JPH0754920B2 (ja) 衛星通信の自動周波数制御装置
JP2812194B2 (ja) 衛星通信地球受信局装置
JPS62120738A (ja) パイロツト信号送受信装置
JPH05191214A (ja) 自動周波数制御方式
KR0143727B1 (ko) 위성통신시스템의 주파수 발진 장치
JPH02181526A (ja) 衛星通信用基準局
JPS59158137A (ja) パイロツト受信装置
JPH11127476A (ja) 無線通信システム