DE69532316D1 - Spreizantwortvorkodiersystem für leitungsungebundene Nachrichtenübertragung - Google Patents
Spreizantwortvorkodiersystem für leitungsungebundene NachrichtenübertragungInfo
- Publication number
- DE69532316D1 DE69532316D1 DE69532316T DE69532316T DE69532316D1 DE 69532316 D1 DE69532316 D1 DE 69532316D1 DE 69532316 T DE69532316 T DE 69532316T DE 69532316 T DE69532316 T DE 69532316T DE 69532316 D1 DE69532316 D1 DE 69532316D1
- Authority
- DE
- Germany
- Prior art keywords
- wired communication
- coding system
- spread response
- response pre
- spread
- 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 - Lifetime
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J13/00—Code division multiplex systems
- H04J13/10—Code generation
- H04J13/102—Combining codes
- H04J13/105—Combining codes by extending
-
- 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
- H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
- Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
- Detection And Prevention Of Errors In Transmission (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/321,292 US5625642A (en) | 1994-10-11 | 1994-10-11 | Spread-response precoding system having signature sequences longer than the inter-symbol time interval |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69532316D1 true DE69532316D1 (de) | 2004-01-29 |
DE69532316T2 DE69532316T2 (de) | 2004-10-21 |
Family
ID=23250000
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69532316T Expired - Lifetime DE69532316T2 (de) | 1994-10-11 | 1995-10-03 | Spreizantwortvorkodiersystem für leitungsungebundene Nachrichtenübertragung |
Country Status (6)
Country | Link |
---|---|
US (1) | US5625642A (de) |
EP (1) | EP0707387B1 (de) |
JP (1) | JP3217948B2 (de) |
CA (1) | CA2156757C (de) |
DE (1) | DE69532316T2 (de) |
MX (1) | MX9504244A (de) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6678311B2 (en) | 1996-05-28 | 2004-01-13 | Qualcomm Incorporated | High data CDMA wireless communication system using variable sized channel codes |
US6741643B1 (en) * | 1998-04-15 | 2004-05-25 | Telecommunications Research Laboratories | Asymmetric equalization system for data transmission |
KR100267706B1 (ko) * | 1998-07-24 | 2000-10-16 | 윤덕용 | 부호 분할 다중 접속 시스템의 서명 수열 배정 방법 |
JP4288777B2 (ja) * | 1999-08-11 | 2009-07-01 | ソニー株式会社 | マルチキャリア信号送信装置及びマルチキャリア信号受信装置 |
US8463255B2 (en) * | 1999-12-20 | 2013-06-11 | Ipr Licensing, Inc. | Method and apparatus for a spectrally compliant cellular communication system |
US7580488B2 (en) * | 2000-11-29 | 2009-08-25 | The Penn State Research Foundation | Broadband modulation/demodulation apparatus and a method thereof |
KR100896684B1 (ko) | 2004-01-27 | 2009-05-14 | 삼성전자주식회사 | 수신 성능이 향상된 디지털 방송 송수신 시스템 및 그의신호처리방법 |
EP1566914A3 (de) * | 2004-02-18 | 2011-05-04 | Siemens Aktiengesellschaft | Verfahren zum Verbessern der Qualität einer Sprachübertragung über eine Luftschnittstelle |
KR100692596B1 (ko) * | 2004-05-06 | 2007-03-13 | 삼성전자주식회사 | 수신 성능이 향상된 디지털 방송 송수신 시스템 및 그의신호처리방법 |
FR2936593B1 (fr) * | 2008-09-26 | 2010-10-15 | Guilbert Express Sa | Generateur d'air chaud |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5031173A (en) * | 1989-08-15 | 1991-07-09 | Unisys Corporation | Decoder for added asynchronous bit sequences |
FR2664113B1 (fr) * | 1990-06-28 | 1993-06-04 | Alcatel Transmission | Procede de transmission numerique a etalement de spectre par sequence directe a changement de sequences en cours de transmission, et emetteur et recepteur le mettant en óoeuvre. |
DE59106942D1 (de) * | 1990-11-22 | 1996-01-04 | Ascom Tech Ag | Mehrfachzugriffsverfahren und Mobilfunksystem zur Durchführung des Mehrfachzugriffsverfahrens. |
AU636190B2 (en) * | 1991-01-21 | 1993-04-22 | Nec Corporation | Spread packet communication system |
US5467367A (en) * | 1991-06-07 | 1995-11-14 | Canon Kabushiki Kaisha | Spread spectrum communication apparatus and telephone exchange system |
DE69322322T2 (de) * | 1992-07-08 | 1999-06-17 | Koninklijke Philips Electronics N.V., Eindhoven | Verkettete Kodierung für OFDM-Übertragung |
JP2726220B2 (ja) * | 1993-07-05 | 1998-03-11 | 沖電気工業株式会社 | 符号分割多元接続装置 |
US5570351A (en) * | 1994-10-11 | 1996-10-29 | Lucent Technologies Inc. | Multi-user communication system employing spread signatures |
-
1994
- 1994-10-11 US US08/321,292 patent/US5625642A/en not_active Expired - Lifetime
-
1995
- 1995-08-23 CA CA002156757A patent/CA2156757C/en not_active Expired - Fee Related
- 1995-10-03 EP EP95307022A patent/EP0707387B1/de not_active Expired - Lifetime
- 1995-10-03 DE DE69532316T patent/DE69532316T2/de not_active Expired - Lifetime
- 1995-10-06 MX MX9504244A patent/MX9504244A/es unknown
- 1995-10-09 JP JP28639995A patent/JP3217948B2/ja not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
MX9504244A (es) | 1997-01-31 |
EP0707387A2 (de) | 1996-04-17 |
DE69532316T2 (de) | 2004-10-21 |
JPH08256083A (ja) | 1996-10-01 |
US5625642A (en) | 1997-04-29 |
JP3217948B2 (ja) | 2001-10-15 |
CA2156757C (en) | 1999-04-27 |
EP0707387A3 (de) | 2000-06-07 |
CA2156757A1 (en) | 1996-04-12 |
EP0707387B1 (de) | 2003-12-17 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |