DE69605447T2 - Verfahren und nichtlineares filter zur verminderung der gleichkanalstörung - Google Patents
Verfahren und nichtlineares filter zur verminderung der gleichkanalstörungInfo
- Publication number
- DE69605447T2 DE69605447T2 DE69605447T DE69605447T DE69605447T2 DE 69605447 T2 DE69605447 T2 DE 69605447T2 DE 69605447 T DE69605447 T DE 69605447T DE 69605447 T DE69605447 T DE 69605447T DE 69605447 T2 DE69605447 T2 DE 69605447T2
- Authority
- DE
- Germany
- Prior art keywords
- reduce
- same
- channel interference
- linear filter
- linear
- 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
- H04B1/06—Receivers
- H04B1/10—Means associated with receiver for limiting or suppressing noise or interference
- H04B1/12—Neutralising, balancing, or compensation arrangements
- H04B1/123—Neutralising, balancing, or compensation arrangements using adaptive balancing or compensation means
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/565,265 US5778310A (en) | 1995-11-30 | 1995-11-30 | Co-channel interference reduction |
PCT/CA1996/000675 WO1997020397A1 (en) | 1995-11-30 | 1996-10-09 | Method and non-linear filter for reducing co-channel interference |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69605447D1 DE69605447D1 (de) | 2000-01-05 |
DE69605447T2 true DE69605447T2 (de) | 2000-04-13 |
Family
ID=24257863
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69605447T Expired - Fee Related DE69605447T2 (de) | 1995-11-30 | 1996-10-09 | Verfahren und nichtlineares filter zur verminderung der gleichkanalstörung |
Country Status (8)
Country | Link |
---|---|
US (1) | US5778310A (de) |
EP (1) | EP0864206B1 (de) |
JP (1) | JP3122793B2 (de) |
CN (1) | CN1086866C (de) |
CA (1) | CA2187480C (de) |
DE (1) | DE69605447T2 (de) |
MX (1) | MX9804211A (de) |
WO (1) | WO1997020397A1 (de) |
Families Citing this family (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE69731455T2 (de) * | 1996-09-18 | 2005-12-15 | Koninklijke Philips Electronics N.V. | Interferenzdetektionsschaltung mit diskrimination durch amplitudenfrequenzdomänedefinition |
KR100251560B1 (ko) * | 1996-10-29 | 2000-04-15 | 윤종용 | 부호분할 다중 접속방식 단말기의 외부 간섭신호 제거장치 |
US6097773A (en) * | 1997-05-22 | 2000-08-01 | Nortel Networks Limited | Co-channel interference reduction |
GB9804354D0 (en) * | 1998-03-03 | 1998-04-22 | Pettigrew Archibald M | Improvements in FM demodulation circuits |
US6271781B1 (en) * | 1998-06-10 | 2001-08-07 | Lockheed Martin Corporation | Nonlinear filter correction of multibit ΣΔ modulators |
CN1076917C (zh) * | 1998-09-11 | 2001-12-26 | 华为技术有限公司 | 码分多址扩频无线通信系统基站的基带成形滤波器 |
US6553214B1 (en) | 1999-05-05 | 2003-04-22 | Tenatronics Limited | Active window glass antenna system with automatic overload protection circuit |
US6714775B1 (en) | 2000-02-24 | 2004-03-30 | Veridian Engineering, Inc. | Interference canceller |
US6714774B1 (en) * | 2000-02-24 | 2004-03-30 | Texas Instruments Incorporated | Antenna reception diversity in wireless communications |
EP1138771A1 (de) | 2000-03-30 | 2001-10-04 | Societe Des Produits Nestle S.A. | Endo-Mannanase aus Kaffee |
US6373418B1 (en) * | 2000-05-25 | 2002-04-16 | Rockwell Collins, Inc. | Nyquist response restoring delta-sigma modulator based analog to digital and digital to analog conversion |
US6560440B1 (en) | 2000-10-10 | 2003-05-06 | General Dynamics Decision Systems, Inc. | Method for precompensating frequency data for use in high-velocity satellite communication systems |
CN101072018B (zh) * | 2006-05-12 | 2010-06-09 | 扬智科技股份有限公司 | 数字信号的分频滤波方法及其系统 |
US20080063122A1 (en) * | 2006-09-07 | 2008-03-13 | Gwo-Jia Jong | Method for suppressing co-channel interference from different frequency |
US7904047B2 (en) * | 2007-10-31 | 2011-03-08 | Broadcom Corporation | Radio frequency filtering technique with auto calibrated stop-band rejection |
US8849227B2 (en) * | 2009-09-28 | 2014-09-30 | The Trustees Of Columbia University In The City Of New York | Systems and methods for controlling the second order intercept point of receivers |
US8594603B2 (en) * | 2009-11-08 | 2013-11-26 | The Trustees Of Columbia University In The City Of New York | Systems and methods for cancelling interferers in a receiver |
CN101944892B (zh) * | 2010-08-12 | 2013-11-06 | 聚辰半导体(上海)有限公司 | 一种低成本有效迭代多阶数字滤波方法及装置 |
CN102420621B (zh) * | 2011-11-16 | 2014-10-08 | 北京华力创通科技股份有限公司 | 对数字信号的带外干扰进行抑制的方法和装置 |
US8938041B2 (en) * | 2012-12-18 | 2015-01-20 | Intel Corporation | Techniques for managing interference in multiple channel communications system |
CN105978521A (zh) * | 2016-06-22 | 2016-09-28 | 广东电网有限责任公司电力科学研究院 | 一种过程信号的近似微分信号提取方法及装置 |
CN105929684A (zh) * | 2016-06-22 | 2016-09-07 | 广东电网有限责任公司电力科学研究院 | 一种获取过程信号的近似降价信号的方法及装置 |
US10608685B2 (en) * | 2016-10-28 | 2020-03-31 | Perspecta Labs Inc. | Photonics based interference mitigation |
CN108257238B (zh) * | 2018-02-13 | 2020-07-10 | 深圳市金溢科技股份有限公司 | 一种电子不停车收费设备及其射频前端和射频接收方法 |
WO2021167905A1 (en) * | 2020-02-17 | 2021-08-26 | Sam Belkin | Dynamically tunable radio frequency filter and applications |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2227907B (en) * | 1979-12-01 | 1990-11-14 | Plessey Co Ltd | Improvements now relating to interference suppressors |
US5355533A (en) * | 1991-12-11 | 1994-10-11 | Xetron Corporation | Method and circuit for radio frequency signal detection and interference suppression |
US5452015A (en) * | 1994-02-10 | 1995-09-19 | Philips Electronics North America Corporation | Method and apparatus for combating co-channel NTSC interference for digital TV transmission |
-
1995
- 1995-11-30 US US08/565,265 patent/US5778310A/en not_active Expired - Lifetime
-
1996
- 1996-10-09 DE DE69605447T patent/DE69605447T2/de not_active Expired - Fee Related
- 1996-10-09 JP JP09520021A patent/JP3122793B2/ja not_active Expired - Fee Related
- 1996-10-09 CA CA002187480A patent/CA2187480C/en not_active Expired - Fee Related
- 1996-10-09 CN CN96199699A patent/CN1086866C/zh not_active Expired - Fee Related
- 1996-10-09 EP EP96932410A patent/EP0864206B1/de not_active Expired - Lifetime
- 1996-10-09 WO PCT/CA1996/000675 patent/WO1997020397A1/en active IP Right Grant
-
1998
- 1998-05-27 MX MX9804211A patent/MX9804211A/es unknown
Also Published As
Publication number | Publication date |
---|---|
CA2187480C (en) | 2001-03-20 |
CA2187480A1 (en) | 1997-05-31 |
CN1207836A (zh) | 1999-02-10 |
US5778310A (en) | 1998-07-07 |
EP0864206B1 (de) | 1999-12-01 |
MX9804211A (es) | 1998-10-31 |
WO1997020397A1 (en) | 1997-06-05 |
JP3122793B2 (ja) | 2001-01-09 |
CN1086866C (zh) | 2002-06-26 |
EP0864206A1 (de) | 1998-09-16 |
JPH11500888A (ja) | 1999-01-19 |
DE69605447D1 (de) | 2000-01-05 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8327 | Change in the person/name/address of the patent owner |
Owner name: NORTEL NETWORKS LTD., ST.LAURENT, QUEBEC, CA |
|
8339 | Ceased/non-payment of the annual fee |