AU596408B2 - Method and device for building up a connection in shortwave radio networks - Google Patents
Method and device for building up a connection in shortwave radio networks Download PDFInfo
- Publication number
- AU596408B2 AU596408B2 AU72267/87A AU7226787A AU596408B2 AU 596408 B2 AU596408 B2 AU 596408B2 AU 72267/87 A AU72267/87 A AU 72267/87A AU 7226787 A AU7226787 A AU 7226787A AU 596408 B2 AU596408 B2 AU 596408B2
- Authority
- AU
- Australia
- Prior art keywords
- signal
- signals
- frequency
- synchronization signal
- noise
- 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.)
- Ceased
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
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Radio Transmission System (AREA)
- Mobile Radio Communication Systems (AREA)
- Radar Systems Or Details Thereof (AREA)
- Noise Elimination (AREA)
- Radio Relay Systems (AREA)
- Steroid Compounds (AREA)
- Saccharide Compounds (AREA)
- Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
- Transceivers (AREA)
- Communication Control (AREA)
- Near-Field Transmission Systems (AREA)
- Synchronisation In Digital Transmission Systems (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH01773/86 | 1986-04-30 | ||
| CH1773/86A CH671124A5 (US20020098797A1-20020725-M00005.png) | 1986-04-30 | 1986-04-30 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| AU7226787A AU7226787A (en) | 1987-11-05 |
| AU596408B2 true AU596408B2 (en) | 1990-05-03 |
Family
ID=4218266
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AU72267/87A Ceased AU596408B2 (en) | 1986-04-30 | 1987-04-30 | Method and device for building up a connection in shortwave radio networks |
Country Status (13)
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH673550A5 (US20020098797A1-20020725-M00005.png) * | 1987-09-29 | 1990-03-15 | Zellweger Telecomm Ag | |
| CH675514A5 (US20020098797A1-20020725-M00005.png) * | 1988-04-07 | 1990-09-28 | Ascom Zelcom Ag | |
| GB2222053B (en) * | 1988-08-17 | 1993-03-31 | Topexpress Ltd | Signal processing means for sensing a periodic signal in the presence of another interfering periodic noise |
| US5711001A (en) * | 1992-05-08 | 1998-01-20 | Motorola, Inc. | Method and circuit for acquisition by a radio receiver |
| RU2123771C1 (ru) * | 1992-05-08 | 1998-12-20 | Моторола, Инк. | Схема селективной настройки радиоприемника |
| US5327581A (en) * | 1992-05-29 | 1994-07-05 | Motorola, Inc. | Method and apparatus for maintaining synchronization in a simulcast system |
| US6334219B1 (en) | 1994-09-26 | 2001-12-25 | Adc Telecommunications Inc. | Channel selection for a hybrid fiber coax network |
| US7280564B1 (en) | 1995-02-06 | 2007-10-09 | Adc Telecommunications, Inc. | Synchronization techniques in multipoint-to-point communication using orthgonal frequency division multiplexing |
| USRE42236E1 (en) | 1995-02-06 | 2011-03-22 | Adc Telecommunications, Inc. | Multiuse subcarriers in multipoint-to-point communication using orthogonal frequency division multiplexing |
| EP1071203A1 (en) * | 1999-07-21 | 2001-01-24 | Sony International (Europe) GmbH | Stereo demultiplexer |
| US7154966B2 (en) * | 2003-06-30 | 2006-12-26 | Telefonaktiebolaget L M Ericsson (Publ) | Method and system for M-QAM detection in communication systems |
| JP4957036B2 (ja) * | 2006-03-22 | 2012-06-20 | 富士通株式会社 | 期間分割統計プログラム |
| JP5988863B2 (ja) * | 2012-12-27 | 2016-09-07 | パナソニック株式会社 | 受信装置及び復調方法 |
| CN103297115B (zh) * | 2013-05-29 | 2016-01-06 | 西安烽火电子科技有限责任公司 | 一种短波广域分集接收装置及其接收方法 |
| WO2018152155A1 (en) | 2017-02-14 | 2018-08-23 | Hysky Technologies, Inc. | Intelligent short frequency management systems and associated methods |
| US10957445B2 (en) | 2017-10-05 | 2021-03-23 | Hill-Rom Services, Inc. | Caregiver and staff information system |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2042133A1 (de) * | 1970-08-25 | 1972-03-02 | Siemens Ag | Verfahren zum automatischen Auffinden von geeigneten Frequenzplaetzen bei der Datenuebertragung |
| WO1982002633A1 (en) * | 1981-01-29 | 1982-08-05 | Wilkinson Robert Graham | High frequency communications |
| AU574026B2 (en) * | 1984-02-15 | 1988-06-23 | Nec Corporation | Synchronizing burst transmission phase control |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4011511A (en) * | 1974-07-24 | 1977-03-08 | The Singer Company | Frequency-shift digital data link and digital frequency detection system |
| US3955142A (en) * | 1975-03-06 | 1976-05-04 | R. L. Drake Company | Single-sideband radiotelephone system |
| US4217661A (en) * | 1975-10-14 | 1980-08-12 | Kahn Leonard R | Audio signal transmission system and method incorporating automatic frequency correction |
| DE3121146A1 (de) * | 1981-05-27 | 1983-01-05 | Siemens AG, 1000 Berlin und 8000 München | Digitales funksystem |
| DE3211325C1 (de) * | 1982-03-27 | 1989-05-18 | Rohde & Schwarz GmbH & Co KG, 8000 München | System zum automatischen Aufbau einer Kurzwellen-Telegrafiezeichen-Verbindung |
| FR2552957B1 (fr) * | 1983-09-30 | 1986-07-25 | Trt Telecom Radio Electr | Poste emetteur-recepteur pour un systeme de transmission d'informations par evasion de frequences |
| US4616364A (en) * | 1984-06-18 | 1986-10-07 | Itt Corporation | Digital hopped frequency, time diversity system |
-
1986
- 1986-04-30 CH CH1773/86A patent/CH671124A5/de not_active IP Right Cessation
-
1987
- 1987-03-31 IL IL82068A patent/IL82068A0/xx not_active IP Right Cessation
- 1987-04-23 AT AT87105972T patent/ATE99101T1/de not_active IP Right Cessation
- 1987-04-23 EP EP87105972A patent/EP0243885B1/de not_active Expired - Lifetime
- 1987-04-23 DE DE87105972T patent/DE3788531D1/de not_active Expired - Fee Related
- 1987-04-28 JP JP62103478A patent/JPS62262538A/ja active Pending
- 1987-04-28 FI FI871843A patent/FI86015C/fi not_active IP Right Cessation
- 1987-04-29 US US07/044,104 patent/US4853686A/en not_active Expired - Fee Related
- 1987-04-29 DK DK217687A patent/DK167418B1/da not_active IP Right Cessation
- 1987-04-29 CA CA000535962A patent/CA1269715A/en not_active Expired - Lifetime
- 1987-04-29 NO NO871781A patent/NO173760C/no unknown
- 1987-04-30 AU AU72267/87A patent/AU596408B2/en not_active Ceased
- 1987-04-30 CN CN87103288A patent/CN1009790B/zh not_active Expired
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2042133A1 (de) * | 1970-08-25 | 1972-03-02 | Siemens Ag | Verfahren zum automatischen Auffinden von geeigneten Frequenzplaetzen bei der Datenuebertragung |
| WO1982002633A1 (en) * | 1981-01-29 | 1982-08-05 | Wilkinson Robert Graham | High frequency communications |
| AU574026B2 (en) * | 1984-02-15 | 1988-06-23 | Nec Corporation | Synchronizing burst transmission phase control |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1009790B (zh) | 1990-09-26 |
| CN87103288A (zh) | 1987-11-11 |
| NO871781L (no) | 1987-11-02 |
| CA1269715A (en) | 1990-05-29 |
| EP0243885B1 (de) | 1993-12-22 |
| DK217687A (da) | 1987-10-31 |
| AU7226787A (en) | 1987-11-05 |
| NO173760C (no) | 1994-01-26 |
| DK217687D0 (da) | 1987-04-29 |
| EP0243885A3 (en) | 1989-09-06 |
| NO871781D0 (no) | 1987-04-29 |
| EP0243885A2 (de) | 1987-11-04 |
| ATE99101T1 (de) | 1994-01-15 |
| US4853686A (en) | 1989-08-01 |
| FI871843A0 (fi) | 1987-04-28 |
| FI86015B (fi) | 1992-03-13 |
| JPS62262538A (ja) | 1987-11-14 |
| IL82068A0 (en) | 1987-10-20 |
| DE3788531D1 (de) | 1994-02-03 |
| DK167418B1 (da) | 1993-10-25 |
| NO173760B (no) | 1993-10-18 |
| FI871843A (fi) | 1987-10-31 |
| CH671124A5 (US20020098797A1-20020725-M00005.png) | 1989-07-31 |
| FI86015C (fi) | 1992-06-25 |
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