FR2464601B1 - Systeme de radiodiffusion numerique de plusieurs signaux d'information par un reseau d'emetteurs utilisant sensiblement la meme frequence porteuse - Google Patents

Systeme de radiodiffusion numerique de plusieurs signaux d'information par un reseau d'emetteurs utilisant sensiblement la meme frequence porteuse

Info

Publication number
FR2464601B1
FR2464601B1 FR7921674A FR7921674A FR2464601B1 FR 2464601 B1 FR2464601 B1 FR 2464601B1 FR 7921674 A FR7921674 A FR 7921674A FR 7921674 A FR7921674 A FR 7921674A FR 2464601 B1 FR2464601 B1 FR 2464601B1
Authority
FR
France
Prior art keywords
transmitters
network
carrier frequency
digital broadcasting
information signals
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
FR7921674A
Other languages
English (en)
French (fr)
Other versions
FR2464601A1 (fr
Inventor
Roger Alexis
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.)
Telecommunications Radioelectriques et Telephoniques SA TRT
Original Assignee
Telecommunications Radioelectriques et Telephoniques SA TRT
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 Telecommunications Radioelectriques et Telephoniques SA TRT filed Critical Telecommunications Radioelectriques et Telephoniques SA TRT
Priority to FR7921674A priority Critical patent/FR2464601B1/fr
Priority to US06/178,200 priority patent/US4385381A/en
Priority to CA000358708A priority patent/CA1154181A/en
Priority to GB8027476A priority patent/GB2057819B/en
Priority to DE3031963A priority patent/DE3031963C2/de
Priority to IT24293/80A priority patent/IT1132479B/it
Priority to SE8005968A priority patent/SE446363B/sv
Priority to AU61782/80A priority patent/AU537045B2/en
Priority to BE0/201893A priority patent/BE884955A/fr
Priority to JP11963580A priority patent/JPS5636247A/ja
Publication of FR2464601A1 publication Critical patent/FR2464601A1/fr
Application granted granted Critical
Publication of FR2464601B1 publication Critical patent/FR2464601B1/fr
Expired 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
    • H04B7/2621—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile using frequency division multiple access [FDMA]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/02—Channels characterised by the type of signal

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
  • Radio Transmission System (AREA)
FR7921674A 1979-08-29 1979-08-29 Systeme de radiodiffusion numerique de plusieurs signaux d'information par un reseau d'emetteurs utilisant sensiblement la meme frequence porteuse Expired FR2464601B1 (fr)

Priority Applications (10)

Application Number Priority Date Filing Date Title
FR7921674A FR2464601B1 (fr) 1979-08-29 1979-08-29 Systeme de radiodiffusion numerique de plusieurs signaux d'information par un reseau d'emetteurs utilisant sensiblement la meme frequence porteuse
US06/178,200 US4385381A (en) 1979-08-29 1980-08-14 Digital radio transmission system for transmitting a plurality of information signals by a network of transmitters having substantially the same carrier frequencies
CA000358708A CA1154181A (en) 1979-08-29 1980-08-21 Digital radio transmission system for transmitting a plurality of information signals by a network of transmitters having substantially the same carrier frequencies
GB8027476A GB2057819B (en) 1979-08-29 1980-08-22 Digital radio system
DE3031963A DE3031963C2 (de) 1979-08-29 1980-08-25 Digitales Rundfunksendesystem zum Aussenden von Informationssignalen über ein Netzwerk von Sendern mit nahezu gleicher Trägerfrequenz
IT24293/80A IT1132479B (it) 1979-08-29 1980-08-26 Sistema digitale di raidotrasmissione per trasmettere una pluralita' di segnali di informazione per mezzo di una ret di trasmettitori le cui portanti presentano sostanzialmente la stessa frequenza
SE8005968A SE446363B (sv) 1979-08-29 1980-08-26 Radiosendarsystem for utsendning av digitala informationssignaler over ett netverk av sendare
AU61782/80A AU537045B2 (en) 1979-08-29 1980-08-27 Digital radio transmission system
BE0/201893A BE884955A (fr) 1979-08-29 1980-08-27 Digitaal radiozendsysteem voor het uitzenden van meerdere informatiesignalen door een net van zenders met praktisch dezelfde draaggolffrequentie
JP11963580A JPS5636247A (en) 1979-08-29 1980-08-29 Radio transmission system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7921674A FR2464601B1 (fr) 1979-08-29 1979-08-29 Systeme de radiodiffusion numerique de plusieurs signaux d'information par un reseau d'emetteurs utilisant sensiblement la meme frequence porteuse

Publications (2)

Publication Number Publication Date
FR2464601A1 FR2464601A1 (fr) 1981-03-06
FR2464601B1 true FR2464601B1 (fr) 1986-10-24

Family

ID=9229184

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7921674A Expired FR2464601B1 (fr) 1979-08-29 1979-08-29 Systeme de radiodiffusion numerique de plusieurs signaux d'information par un reseau d'emetteurs utilisant sensiblement la meme frequence porteuse

Country Status (10)

Country Link
US (1) US4385381A (enExample)
JP (1) JPS5636247A (enExample)
AU (1) AU537045B2 (enExample)
BE (1) BE884955A (enExample)
CA (1) CA1154181A (enExample)
DE (1) DE3031963C2 (enExample)
FR (1) FR2464601B1 (enExample)
GB (1) GB2057819B (enExample)
IT (1) IT1132479B (enExample)
SE (1) SE446363B (enExample)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0188554B2 (en) * 1984-07-13 1995-05-24 Motorola, Inc. Cellular voice and data radiotelephone system
DE3675044D1 (de) * 1985-03-15 1990-11-29 Thorn Emi Patents Ltd Signalgenerator mit gespreitztem spektrum.
DE3707244A1 (de) * 1987-03-06 1988-09-15 Siemens Ag Verfahren zur digitalen uebertragung von hoerrundfunksignalen
US4995057A (en) * 1988-11-02 1991-02-19 At&T Bell Laboratories Technique for achieving the theoretical coding gain of digital signals incorporating error correction
US4991975A (en) * 1988-11-22 1991-02-12 At&T Bell Laboratories Division multiplexing and demultiplexing means lightwave communication system comprising optical time
US4999831A (en) * 1989-10-19 1991-03-12 United Telecommunications, Inc. Synchronous quantized subcarrier multiplexer for digital transport of video, voice and data
GB9008162D0 (en) * 1990-04-10 1990-06-06 British Telecomm Signal distribution
US5315583A (en) * 1991-04-11 1994-05-24 Usa Digital Radio Method and apparatus for digital audio broadcasting and reception
US5278826A (en) * 1991-04-11 1994-01-11 Usa Digital Radio Method and apparatus for digital audio broadcasting and reception
US5251909A (en) * 1991-05-28 1993-10-12 Reed Michael J Secured high throughput data channel for public broadcast system
US5588022A (en) * 1994-03-07 1996-12-24 Xetron Corp. Method and apparatus for AM compatible digital broadcasting
JP3745459B2 (ja) * 1996-07-18 2006-02-15 富士通株式会社 無線ｌａｎシステム用通信方法及び通信装置
US6542480B1 (en) 1996-11-05 2003-04-01 Worldspace, Inc. Satellite payload processing system using polyphase demultiplexing, quadrature phase shift keying demodulation and rate alignment
JP3899525B2 (ja) * 1997-11-26 2007-03-28 セイコーエプソン株式会社 画像処理装置
JP2007102219A (ja) * 1997-11-26 2007-04-19 Seiko Epson Corp 画像処理装置のための集積化回路
US6944139B1 (en) 1998-03-27 2005-09-13 Worldspace Management Corporation Digital broadcast system using satellite direct broadcast and terrestrial repeater
US6956814B1 (en) 2000-02-29 2005-10-18 Worldspace Corporation Method and apparatus for mobile platform reception and synchronization in direct digital satellite broadcast system
JP6667588B1 (ja) * 2018-09-18 2020-03-18 Ｈａｐｓモバイル株式会社 制御装置、プログラム、制御方法及び飛行体

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2705795A (en) * 1949-07-06 1955-04-05 Fisk Bert Data transmission system
GB877919A (en) * 1958-12-15 1961-09-20 Hycon Eastern Inc Pulse code modulation communication system
US3160711A (en) * 1960-06-04 1964-12-08 Bell Telephone Labor Inc Nonsynchronous time-frequency multiplex transmission system
GB1118305A (en) * 1964-07-10 1968-06-26 Nippon Telegraph & Telephone Improvements in or relating to multiplexing communication systems
CH497089A (de) * 1968-07-26 1970-09-30 Autophon Ag Anlage zur Übermittlung von kontinuierlichen Signalen
FR2188920A5 (enExample) * 1972-06-15 1974-01-18 Trt Telecom Radio Electr
US4011511A (en) * 1974-07-24 1977-03-08 The Singer Company Frequency-shift digital data link and digital frequency detection system
NL7410763A (nl) * 1974-08-12 1976-02-16 Philips Nv Digitaal transmissiestelsel voor het met een lage pulsfrequentie(bit-rate)overdragen van gespreks- signalen en een zender voor toepassing in zulk een stelsel.
JPS5143001A (en) * 1974-10-09 1976-04-13 Nippon Telegraph & Telephone Deijitaruidotsushinhoshikiniokeru shuhasuhaichiho
JPS52141113A (en) * 1976-05-19 1977-11-25 Nippon Telegr & Teleph Corp <Ntt> Transmission diversity system
US4237551A (en) * 1978-12-22 1980-12-02 Granger Associates Transmultiplexer

Also Published As

Publication number Publication date
GB2057819B (en) 1983-11-09
US4385381A (en) 1983-05-24
DE3031963A1 (de) 1981-03-19
IT8024293A0 (it) 1980-08-26
FR2464601A1 (fr) 1981-03-06
JPS6411176B2 (enExample) 1989-02-23
CA1154181A (en) 1983-09-20
IT1132479B (it) 1986-07-02
SE8005968L (sv) 1981-03-01
AU537045B2 (en) 1984-05-31
SE446363B (sv) 1986-09-01
JPS5636247A (en) 1981-04-09
AU6178280A (en) 1981-03-05
DE3031963C2 (de) 1985-02-14
BE884955A (fr) 1981-02-27
GB2057819A (en) 1981-04-01

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Legal Events

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TP Transmission of property
TP Transmission of property
TP Transmission of property
CD Change of name or company name