FR2287810A1 - Procede et systeme pour l'affectation des frequences porteuses dans un systeme a postes mobiles - Google Patents

Procede et systeme pour l'affectation des frequences porteuses dans un systeme a postes mobiles

Info

Publication number
FR2287810A1
FR2287810A1 FR7530856A FR7530856A FR2287810A1 FR 2287810 A1 FR2287810 A1 FR 2287810A1 FR 7530856 A FR7530856 A FR 7530856A FR 7530856 A FR7530856 A FR 7530856A FR 2287810 A1 FR2287810 A1 FR 2287810A1
Authority
FR
France
Prior art keywords
allocation
mobile station
carrier frequencies
station system
frequencies
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.)
Granted
Application number
FR7530856A
Other languages
English (en)
French (fr)
Other versions
FR2287810B1 (enExample
Inventor
Kenkichi Hirade
Takeshi Hatiori
Hiromi Wasai
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 Inc
Original Assignee
Nippon Telegraph and Telephone 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 Nippon Telegraph and Telephone Corp filed Critical Nippon Telegraph and Telephone Corp
Publication of FR2287810A1 publication Critical patent/FR2287810A1/fr
Application granted granted Critical
Publication of FR2287810B1 publication Critical patent/FR2287810B1/fr
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
    • H04B7/24—Radio transmission systems, i.e. using radiation field for communication between two or more posts
    • H04B7/26—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile
    • H04B7/2625—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile using common wave

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
FR7530856A 1974-10-09 1975-10-08 Procede et systeme pour l'affectation des frequences porteuses dans un systeme a postes mobiles Granted FR2287810A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP49116412A JPS5143001A (en) 1974-10-09 1974-10-09 Deijitaruidotsushinhoshikiniokeru shuhasuhaichiho

Publications (2)

Publication Number Publication Date
FR2287810A1 true FR2287810A1 (fr) 1976-05-07
FR2287810B1 FR2287810B1 (enExample) 1978-08-18

Family

ID=14686410

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7530856A Granted FR2287810A1 (fr) 1974-10-09 1975-10-08 Procede et systeme pour l'affectation des frequences porteuses dans un systeme a postes mobiles

Country Status (6)

Country Link
US (1) US4032846A (enExample)
JP (1) JPS5143001A (enExample)
CA (1) CA1065019A (enExample)
DE (1) DE2545165B2 (enExample)
FR (1) FR2287810A1 (enExample)
GB (1) GB1523787A (enExample)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2464601A1 (fr) * 1979-08-29 1981-03-06 Trt Telecom Radio Electr Systeme de radiodiffusion numerique de plusieurs signaux d'information par un reseau d'emetteurs utilisant sensiblement la meme frequence porteuse
WO1994029973A1 (de) * 1993-06-16 1994-12-22 Detecon Deutsche Telepost Consulting Gmbh Verfahren zur verbesserung der versorgung von mobiltelefonen in zellularen mobilfunksystemen

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52149403A (en) * 1976-06-07 1977-12-12 Nippon Telegr & Teleph Corp <Ntt> Mobile communication system
US4355411A (en) * 1980-03-24 1982-10-19 Bell Telephone Laboratories, Incorporated Technique for efficient spectrum utilization in mobile radio systems using space diversity
US4570265A (en) * 1981-11-23 1986-02-11 Motorola, Inc. Random frequency offsetting apparatus for multi-transmitter simulcast radio communications systems
US4658436A (en) * 1982-10-28 1987-04-14 Cincinnati Electronics Corporation Disguised transmission system and method
GB8305037D0 (en) * 1983-02-23 1983-03-30 Mcmichael Ltd Radio communications systems
EP0188554B2 (en) * 1984-07-13 1995-05-24 Motorola, Inc. Cellular voice and data radiotelephone system
JPH02136489A (ja) * 1988-11-18 1990-05-25 Yokoyama Kiso Koji:Kk 竪孔掘削工法及びそれに使用する竪孔掘削機
JP2802254B2 (ja) * 1996-01-10 1998-09-24 株式会社次世代デジタルテレビジョン放送システム研究所 Ｏｆｄｍシステムとｏｆｄｍ装置

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3125724A (en) * 1964-03-17 Transmitting
US2904674A (en) * 1956-11-29 1959-09-15 Bell Telephone Labor Inc Radiant energy highway communication system with controlled directive antenna
US3662267A (en) * 1970-05-20 1972-05-09 Sylvania Electric Prod System for locating and communicating with mobile units

Non-Patent Citations (5)

* Cited by examiner, † Cited by third party
Title
*REVUE GB "ELECTRONICS WEEKLY", NOVEMBER 1971, NO. 586 *
ARTICLE:"FM AND AM DESIGN COMPATIBILITY COULD BE ACHIEVED" *
AUTEUR: TITHERADGE PAGES 12 A 15) *
PAGES 29 A 34 *
REVUE CH "TECHNISCHE RUNDSCHAU", VOLUME 63, NO. 32, JUILLET 1971 ARTICLE:"DER MOBILE RUF UND SPRECHFUNK" AUTEUR E. WEY *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2464601A1 (fr) * 1979-08-29 1981-03-06 Trt Telecom Radio Electr Systeme de radiodiffusion numerique de plusieurs signaux d'information par un reseau d'emetteurs utilisant sensiblement la meme frequence porteuse
WO1994029973A1 (de) * 1993-06-16 1994-12-22 Detecon Deutsche Telepost Consulting Gmbh Verfahren zur verbesserung der versorgung von mobiltelefonen in zellularen mobilfunksystemen

Also Published As

Publication number Publication date
DE2545165B2 (de) 1977-04-07
FR2287810B1 (enExample) 1978-08-18
CA1065019A (en) 1979-10-23
GB1523787A (en) 1978-09-06
JPS5143001A (en) 1976-04-13
JPS5429205B2 (enExample) 1979-09-21
US4032846A (en) 1977-06-28
DE2545165A1 (de) 1976-04-15

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Legal Events

Date Code Title Description
TP Transmission of property