DE69607211D1 - Verfahren und gerät zur nebensignalunterdrückung in einer direktsequenzspreizspektrumverbindung - Google Patents
Verfahren und gerät zur nebensignalunterdrückung in einer direktsequenzspreizspektrumverbindungInfo
- Publication number
- DE69607211D1 DE69607211D1 DE69607211T DE69607211T DE69607211D1 DE 69607211 D1 DE69607211 D1 DE 69607211D1 DE 69607211 T DE69607211 T DE 69607211T DE 69607211 T DE69607211 T DE 69607211T DE 69607211 D1 DE69607211 D1 DE 69607211D1
- Authority
- DE
- Germany
- Prior art keywords
- spread spectrum
- direct sequence
- sequence spread
- signal signals
- supporting signal
- 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 - Fee Related
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/69—Spread spectrum techniques
- H04B1/707—Spread spectrum techniques using direct sequence modulation
- H04B1/7097—Interference-related aspects
- H04B1/71—Interference-related aspects the interference being narrowband interference
- H04B1/7102—Interference-related aspects the interference being narrowband interference with transform to frequency domain
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Noise Elimination (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9515391A FR2742896B1 (fr) | 1995-12-22 | 1995-12-22 | Procede et dispositif d'elimination de signal parasite dans une liaison a spectre etale a sequence directe |
PCT/FR1996/002046 WO1997023961A1 (fr) | 1995-12-22 | 1996-12-20 | Procede et dispositif d'elimination de signal parasite dans une liaison a spectre etale a sequence directe |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69607211D1 true DE69607211D1 (de) | 2000-04-20 |
DE69607211T2 DE69607211T2 (de) | 2000-10-12 |
Family
ID=9485879
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69607211T Expired - Fee Related DE69607211T2 (de) | 1995-12-22 | 1996-12-20 | Verfahren und gerät zur nebensignalunterdrückung in einer direktsequenzspreizspektrumverbindung |
Country Status (7)
Country | Link |
---|---|
US (1) | US5844936A (de) |
EP (1) | EP0868786B1 (de) |
CA (1) | CA2240867A1 (de) |
DE (1) | DE69607211T2 (de) |
ES (1) | ES2146035T3 (de) |
FR (1) | FR2742896B1 (de) |
WO (1) | WO1997023961A1 (de) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR0173911B1 (ko) * | 1996-07-25 | 1999-04-01 | 에스케이텔레콤주식회사 | 간섭을 감소시킨 부호 분할 다중 접속 방식(cdma) 변.복조 방법 및 그 방법을 이용한 통신 시스템 |
JP2976281B2 (ja) * | 1997-02-07 | 1999-11-10 | 株式会社村田製作所 | スペクトル拡散通信装置 |
US5953365A (en) * | 1997-05-08 | 1999-09-14 | Sicom, Inc. | Interference-tolerant spread-spectrum receiver and method therefor |
US6732163B1 (en) | 2000-01-05 | 2004-05-04 | Cisco Technology, Inc. | System for selecting the operating frequency of a communication device in a wireless network |
US7260620B1 (en) | 2000-01-05 | 2007-08-21 | Cisco Technology, Inc. | System for selecting the operating frequency of a communication device in a wireless network |
US6868114B2 (en) | 2001-01-18 | 2005-03-15 | The Titan Corporation | Interference suppression in a spread spectrum communications system using non-linear frequency domain excision |
US7132980B2 (en) * | 2002-11-01 | 2006-11-07 | Sirf Technology, Inc. | Multi-function device with positioning system and shared processor |
KR100584407B1 (ko) * | 2003-06-30 | 2006-05-26 | 삼성전자주식회사 | 이동통신 시스템의 수신 전력 측정 장치 및 방법 |
JP2005080273A (ja) * | 2003-09-01 | 2005-03-24 | Gcomm Corp | スペクトラム拡散通信方式受信機 |
US7643759B2 (en) * | 2005-01-12 | 2010-01-05 | Sumitomo Electric Industries, Ltd. | Signal-quality evaluation device, signal adjustment method, optical-signal evaluation system, and optical transmission system |
US7596461B2 (en) | 2007-07-06 | 2009-09-29 | Cisco Technology, Inc. | Measurement of air quality in wireless networks |
US8305971B2 (en) | 2009-01-13 | 2012-11-06 | Cisco Technology, Inc. | Utilizing persistent interference information for radio channel selection |
CN110995301B (zh) * | 2019-12-25 | 2021-03-02 | 南京天际易达通信技术有限公司 | 一种基于信号抵消的寄生通信方法 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4462048A (en) * | 1982-02-11 | 1984-07-24 | Rca Corporation | Noise reduction circuitry for audio signals |
US5271038A (en) * | 1990-09-10 | 1993-12-14 | Hughes Aircraft Company | Distortion suppression using thresholding techniques |
US5263048A (en) * | 1992-07-24 | 1993-11-16 | Magnavox Electronic Systems Company | Narrow band interference frequency excision method and means |
US5268927A (en) * | 1992-10-06 | 1993-12-07 | Mayflower Communications Company, Inc. | Digital adaptive transversal filter for spread spectrum receivers |
US5363401A (en) * | 1993-02-25 | 1994-11-08 | Harris Corporation | Mechanism for extracting hybrid (fh/ds) spread spectrum signals within multi-signal type environment |
-
1995
- 1995-12-22 FR FR9515391A patent/FR2742896B1/fr not_active Expired - Fee Related
-
1996
- 1996-02-29 US US08/610,149 patent/US5844936A/en not_active Expired - Fee Related
- 1996-12-20 CA CA002240867A patent/CA2240867A1/fr not_active Abandoned
- 1996-12-20 DE DE69607211T patent/DE69607211T2/de not_active Expired - Fee Related
- 1996-12-20 EP EP96943162A patent/EP0868786B1/de not_active Expired - Lifetime
- 1996-12-20 WO PCT/FR1996/002046 patent/WO1997023961A1/fr active IP Right Grant
- 1996-12-20 ES ES96943162T patent/ES2146035T3/es not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
ES2146035T3 (es) | 2000-07-16 |
WO1997023961A1 (fr) | 1997-07-03 |
CA2240867A1 (fr) | 1997-07-03 |
FR2742896B1 (fr) | 1998-03-20 |
US5844936A (en) | 1998-12-01 |
FR2742896A1 (fr) | 1997-06-27 |
EP0868786B1 (de) | 2000-03-15 |
DE69607211T2 (de) | 2000-10-12 |
EP0868786A1 (de) | 1998-10-07 |
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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 |