DE3478177D1 - Packetized ensemble modem - Google Patents
Packetized ensemble modemInfo
- Publication number
- DE3478177D1 DE3478177D1 DE8484900684T DE3478177T DE3478177D1 DE 3478177 D1 DE3478177 D1 DE 3478177D1 DE 8484900684 T DE8484900684 T DE 8484900684T DE 3478177 T DE3478177 T DE 3478177T DE 3478177 D1 DE3478177 D1 DE 3478177D1
- Authority
- DE
- Germany
- Prior art keywords
- packetized
- ensemble modem
- modem
- packetized ensemble
- ensemble
- 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
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/24—Testing correct operation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/26—Systems using multi-frequency codes
- H04L27/2601—Multicarrier modulation systems
- H04L27/2626—Arrangements specific to the transmitter only
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/26—Systems using multi-frequency codes
- H04L27/2601—Multicarrier modulation systems
- H04L27/2647—Arrangements specific to the receiver only
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
- Telephonic Communication Services (AREA)
- Communication Control (AREA)
- Synchronisation In Digital Transmission Systems (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/US1984/000045 WO1985003180A1 (en) | 1984-01-11 | 1984-01-11 | Packetized ensemble modem |
Publications (1)
Publication Number | Publication Date |
---|---|
DE3478177D1 true DE3478177D1 (de) | 1989-06-15 |
Family
ID=22182004
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8484900684T Expired DE3478177D1 (de) | 1984-01-11 | 1984-01-11 | Packetized ensemble modem |
Country Status (9)
Country | Link |
---|---|
EP (1) | EP0167531B1 (de) |
JP (1) | JPS61501063A (de) |
AU (1) | AU560098B2 (de) |
BR (1) | BR8407263A (de) |
DE (1) | DE3478177D1 (de) |
DK (1) | DK413885A (de) |
HK (1) | HK54690A (de) |
NO (1) | NO853476L (de) |
WO (1) | WO1985003180A1 (de) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4744083A (en) * | 1984-09-14 | 1988-05-10 | Geostar Corporation | Satellite-based position determining and message transfer system with monitoring of link quality |
US4679227A (en) * | 1985-05-20 | 1987-07-07 | Telebit Corporation | Ensemble modem structure for imperfect transmission media |
JPH05316063A (ja) * | 1992-05-12 | 1993-11-26 | Fujitsu Ltd | 周波数多重モデムの多重制御方式 |
CN1124716C (zh) * | 1993-09-10 | 2003-10-15 | 德国汤姆逊-布朗特公司 | 在ofdm***中传输参考信号的方法 |
GB2283879B (en) * | 1993-11-11 | 1998-02-11 | Plessey Telecomm | High-speed digital subscriber lines |
GB9323337D0 (en) * | 1993-11-11 | 1994-01-05 | Marconi Gec Ltd | High-speed digital subscriber lines |
US5625651A (en) * | 1994-06-02 | 1997-04-29 | Amati Communications, Inc. | Discrete multi-tone data transmission system using an overhead bus for synchronizing multiple remote units |
CA2440657A1 (en) * | 1994-06-02 | 1995-12-14 | John M. Cioffi | Method and apparatus for coordinating multi-point to point communications in a multi-tone data transmission system |
WO1997036384A1 (de) * | 1996-03-27 | 1997-10-02 | Robert Bosch Gmbh | Punkt-zu-mehrpunkt funkübertragungssystem |
US6678311B2 (en) | 1996-05-28 | 2004-01-13 | Qualcomm Incorporated | High data CDMA wireless communication system using variable sized channel codes |
EP0923823B1 (de) * | 1996-09-02 | 2002-11-13 | STMicroelectronics N.V. | Verbesserungen an oder in bezug auf mehrträger-übertragungsysteme |
DE69717122T2 (de) * | 1996-09-02 | 2003-08-21 | Stmicroelectronics N.V., Amsterdam | Verbesserungen bei, oder in bezug auf mehrträgerübertragungssysteme |
US6937623B2 (en) | 1997-10-22 | 2005-08-30 | Texas Instruments Incorporated | Method and apparatus for coordinating multi-point to point communications in a multi-tone data transmission system |
US6278685B1 (en) * | 1999-08-19 | 2001-08-21 | Intellon Corporation | Robust transmission mode |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4055808A (en) * | 1976-05-20 | 1977-10-25 | Intertel, Inc. | Data communications network testing system |
US4317204A (en) * | 1976-06-04 | 1982-02-23 | Ncr Corporation | Spread spectrum conferencing communication system |
US4225935A (en) * | 1977-08-30 | 1980-09-30 | Sperry Corporation | Coding method and system with enhanced security |
US4206320A (en) * | 1978-08-21 | 1980-06-03 | University Of Illinois Foundation | High speed modem suitable for operating with a switched network |
US4306308A (en) * | 1979-09-14 | 1981-12-15 | Rca Corporation | Symbols communication system |
JPS5660133A (en) * | 1979-10-23 | 1981-05-23 | Fujitsu Ltd | Error rate supervisory system |
US4383323A (en) * | 1980-06-09 | 1983-05-10 | Bell Telephone Laboratories, Incorporated | Spread spectrum FH-MFSK transmitter and receiver |
US4320514A (en) * | 1980-06-09 | 1982-03-16 | Bell Telephone Laboratories, Incorporated | Spread spectrum FH-MFSK radio receiver |
US4355399A (en) * | 1981-02-23 | 1982-10-19 | Bell Telephone Laboratories, Incorporated | Adaptive spread spectrum FH-MFSK transmitter and receiver |
-
1984
- 1984-01-11 DE DE8484900684T patent/DE3478177D1/de not_active Expired
- 1984-01-11 JP JP59500777A patent/JPS61501063A/ja active Granted
- 1984-01-11 WO PCT/US1984/000045 patent/WO1985003180A1/en active IP Right Grant
- 1984-01-11 BR BR8407263A patent/BR8407263A/pt not_active IP Right Cessation
- 1984-01-11 AU AU24910/84A patent/AU560098B2/en not_active Ceased
- 1984-01-11 EP EP84900684A patent/EP0167531B1/de not_active Expired
-
1985
- 1985-09-04 NO NO853476A patent/NO853476L/no unknown
- 1985-09-11 DK DK413885A patent/DK413885A/da not_active Application Discontinuation
-
1990
- 1990-07-19 HK HK546/90A patent/HK54690A/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
JPS61501063A (ja) | 1986-05-22 |
EP0167531B1 (de) | 1989-05-10 |
DK413885D0 (da) | 1985-09-11 |
WO1985003180A1 (en) | 1985-07-18 |
AU2491084A (en) | 1985-07-30 |
HK54690A (en) | 1990-07-27 |
BR8407263A (pt) | 1985-12-24 |
EP0167531A4 (de) | 1987-12-08 |
NO853476L (no) | 1985-11-04 |
AU560098B2 (en) | 1987-03-26 |
JPH0455014B2 (de) | 1992-09-02 |
EP0167531A1 (de) | 1986-01-15 |
DK413885A (da) | 1985-09-11 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |