SE446363B - Radiosendarsystem for utsendning av digitala informationssignaler over ett netverk av sendare - Google Patents
Radiosendarsystem for utsendning av digitala informationssignaler over ett netverk av sendareInfo
- Publication number
- SE446363B SE446363B SE8005968A SE8005968A SE446363B SE 446363 B SE446363 B SE 446363B SE 8005968 A SE8005968 A SE 8005968A SE 8005968 A SE8005968 A SE 8005968A SE 446363 B SE446363 B SE 446363B
- Authority
- SE
- Sweden
- Prior art keywords
- frequency
- signals
- information signals
- signal
- bits
- Prior art date
Links
- 230000005540 biological transmission Effects 0.000 title claims description 9
- 230000009466 transformation Effects 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims 4
- 238000010168 coupling process Methods 0.000 claims 4
- 238000005859 coupling reaction Methods 0.000 claims 4
- 239000004570 mortar (masonry) Substances 0.000 claims 1
- 238000005562 fading Methods 0.000 description 23
- 238000000034 method Methods 0.000 description 4
- 238000005070 sampling Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- 239000000969 carrier Substances 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- NAWXUBYGYWOOIX-SFHVURJKSA-N (2s)-2-[[4-[2-(2,4-diaminoquinazolin-6-yl)ethyl]benzoyl]amino]-4-methylidenepentanedioic acid Chemical compound C1=CC2=NC(N)=NC(N)=C2C=C1CCC1=CC=C(C(=O)N[C@@H](CC(=C)C(O)=O)C(O)=O)C=C1 NAWXUBYGYWOOIX-SFHVURJKSA-N 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000005236 sound signal Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
- 239000013598 vector Substances 0.000 description 1
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 SE8005968L (sv) | 1981-03-01 |
| SE446363B true 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 (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)
| 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)
| 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 |
-
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 SE SE8005968A patent/SE446363B/sv not_active IP Right Cessation
- 1980-08-26 IT IT24293/80A patent/IT1132479B/it active
- 1980-08-27 BE BE0/201893A patent/BE884955A/fr unknown
- 1980-08-27 AU AU61782/80A patent/AU537045B2/en not_active Expired
- 1980-08-29 JP JP11963580A patent/JPS5636247A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| GB2057819B (en) | 1983-11-09 |
| US4385381A (en) | 1983-05-24 |
| DE3031963A1 (de) | 1981-03-19 |
| FR2464601B1 (fr) | 1986-10-24 |
| 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 |
| 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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| NAL | Patent in force |
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