SE8005968L - Digitalt radiosystem, som over ett sendarnet utsender flera informationssignaler pa nestan samma berfrekvens - Google Patents
Digitalt radiosystem, som over ett sendarnet utsender flera informationssignaler pa nestan samma berfrekvensInfo
- Publication number
- SE8005968L SE8005968L SE8005968A SE8005968A SE8005968L SE 8005968 L SE8005968 L SE 8005968L SE 8005968 A SE8005968 A SE 8005968A SE 8005968 A SE8005968 A SE 8005968A SE 8005968 L SE8005968 L SE 8005968L
- Authority
- SE
- Sweden
- Prior art keywords
- information signals
- same reference
- radio system
- digital radio
- multiple information
- Prior art date
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)
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 |
---|---|
SE8005968L true SE8005968L (sv) | 1981-03-01 |
SE446363B SE446363B (sv) | 1986-09-01 |
Family
ID=9229184
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE8005968A SE446363B (sv) | 1979-08-29 | 1980-08-26 | Radiosendarsystem for utsendning av digitala informationssignaler over ett netverk av sendare |
Country Status (10)
Country | Link |
---|---|
US (1) | US4385381A (sv) |
JP (1) | JPS5636247A (sv) |
AU (1) | AU537045B2 (sv) |
BE (1) | BE884955A (sv) |
CA (1) | CA1154181A (sv) |
DE (1) | DE3031963C2 (sv) |
FR (1) | FR2464601B1 (sv) |
GB (1) | GB2057819B (sv) |
IT (1) | IT1132479B (sv) |
SE (1) | SE446363B (sv) |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ATE47948T1 (de) * | 1984-07-13 | 1989-11-15 | Motorola Inc | Cellulares stimme- und datenfunkfernuebertragungssystem. |
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 |
US5278826A (en) * | 1991-04-11 | 1994-01-11 | Usa Digital Radio | Method and apparatus for digital audio broadcasting and reception |
US5315583A (en) * | 1991-04-11 | 1994-05-24 | 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 |
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 |
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 |
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)
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 (sv) * | 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 |
-
1979
- 1979-08-29 FR FR7921674A patent/FR2464601B1/fr not_active Expired
-
1980
- 1980-08-14 US US06/178,200 patent/US4385381A/en not_active Expired - Lifetime
- 1980-08-21 CA CA000358708A patent/CA1154181A/en not_active Expired
- 1980-08-22 GB GB8027476A patent/GB2057819B/en not_active Expired
- 1980-08-25 DE DE3031963A patent/DE3031963C2/de not_active Expired
- 1980-08-26 IT IT24293/80A patent/IT1132479B/it active
- 1980-08-26 SE SE8005968A patent/SE446363B/sv not_active IP Right Cessation
- 1980-08-27 AU AU61782/80A patent/AU537045B2/en not_active Expired
- 1980-08-27 BE BE0/201893A patent/BE884955A/fr unknown
- 1980-08-29 JP JP11963580A patent/JPS5636247A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS6411176B2 (sv) | 1989-02-23 |
BE884955A (fr) | 1981-02-27 |
CA1154181A (en) | 1983-09-20 |
FR2464601A1 (fr) | 1981-03-06 |
US4385381A (en) | 1983-05-24 |
FR2464601B1 (fr) | 1986-10-24 |
AU537045B2 (en) | 1984-05-31 |
SE446363B (sv) | 1986-09-01 |
IT1132479B (it) | 1986-07-02 |
AU6178280A (en) | 1981-03-05 |
GB2057819B (en) | 1983-11-09 |
JPS5636247A (en) | 1981-04-09 |
GB2057819A (en) | 1981-04-01 |
DE3031963A1 (de) | 1981-03-19 |
DE3031963C2 (de) | 1985-02-14 |
IT8024293A0 (it) | 1980-08-26 |
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