JPH0525309B2 - - Google Patents

Info

Publication number
JPH0525309B2
JPH0525309B2 JP62221589A JP22158987A JPH0525309B2 JP H0525309 B2 JPH0525309 B2 JP H0525309B2 JP 62221589 A JP62221589 A JP 62221589A JP 22158987 A JP22158987 A JP 22158987A JP H0525309 B2 JPH0525309 B2 JP H0525309B2
Authority
JP
Japan
Prior art keywords
communication
mobile
signals
positioning
base station
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
JP62221589A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6465474A (en
Inventor
Osamu Ichoshi
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 JP62221589A priority Critical patent/JPS6465474A/ja
Publication of JPS6465474A publication Critical patent/JPS6465474A/ja
Publication of JPH0525309B2 publication Critical patent/JPH0525309B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Position Fixing By Use Of Radio Waves (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Mobile Radio Communication Systems (AREA)
JP62221589A 1987-09-04 1987-09-04 Satellite communicate and position measurement system for moving body Granted JPS6465474A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP62221589A JPS6465474A (en) 1987-09-04 1987-09-04 Satellite communicate and position measurement system for moving body

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62221589A JPS6465474A (en) 1987-09-04 1987-09-04 Satellite communicate and position measurement system for moving body

Publications (2)

Publication Number Publication Date
JPS6465474A JPS6465474A (en) 1989-03-10
JPH0525309B2 true JPH0525309B2 (enrdf_load_stackoverflow) 1993-04-12

Family

ID=16769119

Family Applications (1)

Application Number Title Priority Date Filing Date
JP62221589A Granted JPS6465474A (en) 1987-09-04 1987-09-04 Satellite communicate and position measurement system for moving body

Country Status (1)

Country Link
JP (1) JPS6465474A (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9919525D0 (en) * 1999-08-19 1999-10-20 Secr Defence Method and apparatus for locating the source of an unknown signal

Also Published As

Publication number Publication date
JPS6465474A (en) 1989-03-10

Similar Documents

Publication Publication Date Title
JP2915851B2 (ja) 時刻同期型通信システム
US20030157943A1 (en) Method and apparatus for auxiliary pilot signal for mobile phone location
EP0865223B1 (en) Mobile station position estimation for cellular mobile communication system
JP4457117B2 (ja) ダイバーシチ送信を伴う加入者位置測定のための無線電話システム
US6574478B1 (en) System and method for locating mobile devices
AU599552B2 (en) Satellite-based vehicle communication/position determination system
US7039421B2 (en) System for determining the position of an object
US6466163B2 (en) GPS receiver and portable communication apparatus
JP3078997B2 (ja) 直接拡散通信方式の多元接続方法及びそれに使用される多元接続装置
TW351886B (en) Using two classes of channels with different capacity
CN112398506A (zh) 星地/中继一体化测控系统
CN103003716A (zh) 导航信号发送装置、导航信号发送方法以及位置信息提供装置
JPH05227124A (ja) 符号分割多元アクセス通信方式
JPH0525309B2 (enrdf_load_stackoverflow)
JP2602246B2 (ja) 移動体衛星通信/測位方式
JPH0565114B2 (enrdf_load_stackoverflow)
US7046718B1 (en) Coherent phase synchronous code division multiple access communications from multiple transponder platforms
JPH01288023A (ja) ミリ波構内無線通信方式
WO2004056149A3 (de) Verfahren zur teilnehmerseitigen versendung von daten in einem heterogenen netzwerk
JPS58178639A (ja) 衛星通信方式
AU2003209433A1 (en) Method and apparatus for auxiliary pilot signal for mobile phone location
JPH1141205A (ja) 情報信号伝送方法
JPH0613949A (ja) 周回衛星による衛星通信システム
JPH0357325A (ja) 地球局通信装置
JPH09252276A (ja) ディジタル通信システム