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 mobilesInfo
- 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
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)
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 (fr) | 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 (fr) |
JP (1) | JPS5143001A (fr) |
CA (1) | CA1065019A (fr) |
DE (1) | DE2545165B2 (fr) |
FR (1) | FR2287810A1 (fr) |
GB (1) | GB1523787A (fr) |
Cited By (2)
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 (fr) * | 1993-06-16 | 1994-12-22 | Detecon Deutsche Telepost Consulting Gmbh | Procede permettant de mieux desservir des telephones mobiles dans des systemes radiotelephoniques mobiles cellulaires |
Families Citing this family (8)
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 |
WO1986000775A1 (fr) * | 1984-07-13 | 1986-01-30 | Motorola, Inc. | Systeme radiotelephonique cellulaire de transmission vocale et de donnees |
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)
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 |
-
1974
- 1974-10-09 JP JP49116412A patent/JPS5143001A/ja active Granted
-
1975
- 1975-09-30 CA CA236,676A patent/CA1065019A/fr not_active Expired
- 1975-10-06 GB GB40792/75A patent/GB1523787A/en not_active Expired
- 1975-10-08 DE DE19752545165 patent/DE2545165B2/de not_active Ceased
- 1975-10-08 FR FR7530856A patent/FR2287810A1/fr active Granted
- 1975-10-08 US US05/620,622 patent/US4032846A/en not_active Expired - Lifetime
Non-Patent Citations (5)
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)
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 (fr) * | 1993-06-16 | 1994-12-22 | Detecon Deutsche Telepost Consulting Gmbh | Procede permettant de mieux desservir des telephones mobiles dans des systemes radiotelephoniques mobiles cellulaires |
Also Published As
Publication number | Publication date |
---|---|
JPS5429205B2 (fr) | 1979-09-21 |
DE2545165A1 (de) | 1976-04-15 |
DE2545165B2 (de) | 1977-04-07 |
JPS5143001A (en) | 1976-04-13 |
GB1523787A (en) | 1978-09-06 |
FR2287810B1 (fr) | 1978-08-18 |
US4032846A (en) | 1977-06-28 |
CA1065019A (fr) | 1979-10-23 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
TP | Transmission of property |