CN100550666C - 扩频系统中窄带干扰消除的方法、装置 - Google Patents
扩频系统中窄带干扰消除的方法、装置 Download PDFInfo
- Publication number
- CN100550666C CN100550666C CNB2005800476021A CN200580047602A CN100550666C CN 100550666 C CN100550666 C CN 100550666C CN B2005800476021 A CNB2005800476021 A CN B2005800476021A CN 200580047602 A CN200580047602 A CN 200580047602A CN 100550666 C CN100550666 C CN 100550666C
- Authority
- CN
- China
- Prior art keywords
- data
- energy value
- value
- energy
- interference
- 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
- 238000001228 spectrum Methods 0.000 title claims abstract description 82
- 238000000034 method Methods 0.000 title claims abstract description 42
- 230000009466 transformation Effects 0.000 claims abstract description 48
- 238000006243 chemical reaction Methods 0.000 claims abstract description 12
- 230000005764 inhibitory process Effects 0.000 claims abstract description 12
- 230000008030 elimination Effects 0.000 claims description 17
- 238000003379 elimination reaction Methods 0.000 claims description 17
- 238000009825 accumulation Methods 0.000 claims description 14
- 238000005070 sampling Methods 0.000 claims description 4
- 230000002452 interceptive effect Effects 0.000 abstract description 13
- 238000012545 processing Methods 0.000 description 10
- 238000004891 communication Methods 0.000 description 7
- 238000013461 design Methods 0.000 description 6
- 230000008859 change Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 3
- 230000004044 response Effects 0.000 description 3
- 238000004364 calculation method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004422 calculation algorithm Methods 0.000 description 1
- 238000000205 computational method Methods 0.000 description 1
- 238000005094 computer simulation Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 230000009897 systematic effect Effects 0.000 description 1
- 230000001131 transforming effect Effects 0.000 description 1
Images
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
Abstract
Description
Claims (15)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/CN2005/002115 WO2007065297A1 (fr) | 2005-12-07 | 2005-12-07 | Procede et dispositif pour l'elimination d'interference de bande etroite dans un systeme d'etalement de frequences |
Publications (2)
Publication Number | Publication Date |
---|---|
CN101112003A CN101112003A (zh) | 2008-01-23 |
CN100550666C true CN100550666C (zh) | 2009-10-14 |
Family
ID=38122455
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB2005800476021A Expired - Fee Related CN100550666C (zh) | 2005-12-07 | 2005-12-07 | 扩频系统中窄带干扰消除的方法、装置 |
Country Status (5)
Country | Link |
---|---|
US (1) | US8059768B2 (zh) |
EP (1) | EP1959581B1 (zh) |
CN (1) | CN100550666C (zh) |
NO (1) | NO20082702L (zh) |
WO (1) | WO2007065297A1 (zh) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103439574A (zh) * | 2013-08-08 | 2013-12-11 | 国家电网公司 | 直流线路电晕电流测量数据中窄带干扰的同步抑制方法 |
CN105429719A (zh) * | 2015-10-29 | 2016-03-23 | 中国电子科技集团公司第二十研究所 | 基于功率谱和多尺度小波变换分析强干扰信号检测方法 |
Families Citing this family (50)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102007002230A1 (de) * | 2007-01-10 | 2008-07-17 | Benecke-Kaliko Ag | Thermoplastische Folie |
US8312551B2 (en) | 2007-02-15 | 2012-11-13 | Harris Corporation | Low level sequence as an anti-tamper Mechanism |
US7937427B2 (en) | 2007-04-19 | 2011-05-03 | Harris Corporation | Digital generation of a chaotic numerical sequence |
US8611530B2 (en) | 2007-05-22 | 2013-12-17 | Harris Corporation | Encryption via induced unweighted errors |
US7921145B2 (en) * | 2007-05-22 | 2011-04-05 | Harris Corporation | Extending a repetition period of a random sequence |
US7995757B2 (en) * | 2007-05-31 | 2011-08-09 | Harris Corporation | Closed galois field combination |
US7974413B2 (en) * | 2007-06-07 | 2011-07-05 | Harris Corporation | Spread spectrum communications system and method utilizing chaotic sequence |
US7962540B2 (en) | 2007-06-07 | 2011-06-14 | Harris Corporation | Mixed radix number generator with chosen statistical artifacts |
US7970809B2 (en) * | 2007-06-07 | 2011-06-28 | Harris Corporation | Mixed radix conversion with a priori defined statistical artifacts |
US8005221B2 (en) * | 2007-08-01 | 2011-08-23 | Harris Corporation | Chaotic spread spectrum communications system receiver |
US7995749B2 (en) * | 2007-10-30 | 2011-08-09 | Harris Corporation | Cryptographic system configured for extending a repetition period of a random sequence |
CN101197582B (zh) * | 2007-12-21 | 2011-08-10 | 上海华为技术有限公司 | 干扰抑制方法、装置及接收机 |
US8180055B2 (en) | 2008-02-05 | 2012-05-15 | Harris Corporation | Cryptographic system incorporating a digitally generated chaotic numerical sequence |
US8363830B2 (en) * | 2008-02-07 | 2013-01-29 | Harris Corporation | Cryptographic system configured to perform a mixed radix conversion with a priori defined statistical artifacts |
US8040937B2 (en) * | 2008-03-26 | 2011-10-18 | Harris Corporation | Selective noise cancellation of a spread spectrum signal |
US8139764B2 (en) | 2008-05-06 | 2012-03-20 | Harris Corporation | Closed galois field cryptographic system |
US8320557B2 (en) * | 2008-05-08 | 2012-11-27 | Harris Corporation | Cryptographic system including a mixed radix number generator with chosen statistical artifacts |
US8145692B2 (en) | 2008-05-29 | 2012-03-27 | Harris Corporation | Digital generation of an accelerated or decelerated chaotic numerical sequence |
US8064552B2 (en) | 2008-06-02 | 2011-11-22 | Harris Corporation | Adaptive correlation |
US8068571B2 (en) | 2008-06-12 | 2011-11-29 | Harris Corporation | Featureless coherent chaotic amplitude modulation |
US8325702B2 (en) | 2008-08-29 | 2012-12-04 | Harris Corporation | Multi-tier ad-hoc network in which at least two types of non-interfering waveforms are communicated during a timeslot |
US8165065B2 (en) | 2008-10-09 | 2012-04-24 | Harris Corporation | Ad-hoc network acquisition using chaotic sequence spread waveform |
US8325858B2 (en) * | 2008-12-22 | 2012-12-04 | Entropic Communications, Inc. | Estimation of noise variance combined with narrow-band interference detection |
US8406276B2 (en) | 2008-12-29 | 2013-03-26 | Harris Corporation | Communications system employing orthogonal chaotic spreading codes |
US8351484B2 (en) | 2008-12-29 | 2013-01-08 | Harris Corporation | Communications system employing chaotic spreading codes with static offsets |
US8457077B2 (en) | 2009-03-03 | 2013-06-04 | Harris Corporation | Communications system employing orthogonal chaotic spreading codes |
US8428102B2 (en) | 2009-06-08 | 2013-04-23 | Harris Corporation | Continuous time chaos dithering |
CN101909323B (zh) * | 2009-06-08 | 2014-01-01 | 中兴通讯股份有限公司 | 一种过载指示器报告指示方法和系统 |
US8509284B2 (en) | 2009-06-08 | 2013-08-13 | Harris Corporation | Symbol duration dithering for secured chaotic communications |
US8428103B2 (en) | 2009-06-10 | 2013-04-23 | Harris Corporation | Discrete time chaos dithering |
US8385385B2 (en) * | 2009-07-01 | 2013-02-26 | Harris Corporation | Permission-based secure multiple access communication systems |
US8363700B2 (en) | 2009-07-01 | 2013-01-29 | Harris Corporation | Rake receiver for spread spectrum chaotic communications systems |
US8369376B2 (en) | 2009-07-01 | 2013-02-05 | Harris Corporation | Bit error rate reduction in chaotic communications |
US8379689B2 (en) | 2009-07-01 | 2013-02-19 | Harris Corporation | Anti-jam communications having selectively variable peak-to-average power ratio including a chaotic constant amplitude zero autocorrelation waveform |
US8340295B2 (en) | 2009-07-01 | 2012-12-25 | Harris Corporation | High-speed cryptographic system using chaotic sequences |
US8428104B2 (en) | 2009-07-01 | 2013-04-23 | Harris Corporation | Permission-based multiple access communications systems |
US8406352B2 (en) * | 2009-07-01 | 2013-03-26 | Harris Corporation | Symbol estimation for chaotic spread spectrum signal |
US8848909B2 (en) | 2009-07-22 | 2014-09-30 | Harris Corporation | Permission-based TDMA chaotic communication systems |
US8369377B2 (en) * | 2009-07-22 | 2013-02-05 | Harris Corporation | Adaptive link communications using adaptive chaotic spread waveform |
US8345725B2 (en) | 2010-03-11 | 2013-01-01 | Harris Corporation | Hidden Markov Model detection for spread spectrum waveforms |
US8582633B2 (en) * | 2010-11-22 | 2013-11-12 | Applied Micro Circuits Corporation | Confirmation of presence of narrowband interference by harmonic analysis |
CN102984103B (zh) | 2011-09-07 | 2015-08-05 | 华为技术有限公司 | 扩频系统中的信号处理方法及装置 |
US9319916B2 (en) | 2013-03-15 | 2016-04-19 | Isco International, Llc | Method and appartus for signal interference processing |
US9668223B2 (en) | 2014-05-05 | 2017-05-30 | Isco International, Llc | Method and apparatus for increasing performance of communication links of communication nodes |
US9118401B1 (en) * | 2014-10-28 | 2015-08-25 | Harris Corporation | Method of adaptive interference mitigation in wide band spectrum |
US10164684B2 (en) | 2016-09-09 | 2018-12-25 | Hong Kong Applied Science and Technology Research Institute Company Limited | Interference detection and mitigation in power line communication |
US10298279B2 (en) | 2017-04-05 | 2019-05-21 | Isco International, Llc | Method and apparatus for increasing performance of communication paths for communication nodes |
TWI646842B (zh) * | 2017-09-11 | 2019-01-01 | 晨星半導體股份有限公司 | 應用於顯示裝置的電路及相關的訊號處理方法 |
CN108880605B (zh) * | 2018-07-26 | 2019-12-24 | 武汉轻工大学 | 抑制窄带干扰的短波通信方法及系统 |
CN116500553B (zh) * | 2023-06-07 | 2023-10-03 | 北京交通大学 | 雷达互相干扰抑制方法、装置、计算机设备及存储介质 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5612978A (en) * | 1995-05-30 | 1997-03-18 | Motorola, Inc. | Method and apparatus for real-time adaptive interference cancellation in dynamic environments |
US6229998B1 (en) * | 1999-04-12 | 2001-05-08 | Qualcomm Inc. | Method and system for detecting in-band jammers in a spread spectrum wireless base station |
WO2000077675A1 (de) * | 1999-06-10 | 2000-12-21 | Koninklijke Philips Electronics N.V. | Störungsunterdrückung für messsignale mit periodischem nutzsignal |
US6760319B1 (en) * | 2000-07-05 | 2004-07-06 | Motorola, Inc. | Fixed frequency interference avoidance enhancement |
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 |
FI20010952A0 (fi) * | 2001-05-07 | 2001-05-07 | Nokia Corp | Signaalikomponenttien erottaminen radiojärjestelmän vastaanottimessa |
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 |
JP2007535265A (ja) * | 2004-04-29 | 2007-11-29 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | 狭帯域干渉キャンセレーションのための受信機 |
-
2005
- 2005-12-07 EP EP05817884.9A patent/EP1959581B1/en active Active
- 2005-12-07 CN CNB2005800476021A patent/CN100550666C/zh not_active Expired - Fee Related
- 2005-12-07 WO PCT/CN2005/002115 patent/WO2007065297A1/zh active Application Filing
- 2005-12-07 US US12/096,160 patent/US8059768B2/en active Active
-
2008
- 2008-06-11 NO NO20082702A patent/NO20082702L/no not_active Application Discontinuation
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103439574A (zh) * | 2013-08-08 | 2013-12-11 | 国家电网公司 | 直流线路电晕电流测量数据中窄带干扰的同步抑制方法 |
CN103439574B (zh) * | 2013-08-08 | 2016-08-10 | 国家电网公司 | 直流线路电晕电流测量数据中窄带干扰的同步抑制方法 |
CN105429719A (zh) * | 2015-10-29 | 2016-03-23 | 中国电子科技集团公司第二十研究所 | 基于功率谱和多尺度小波变换分析强干扰信号检测方法 |
CN105429719B (zh) * | 2015-10-29 | 2017-12-12 | 中国电子科技集团公司第二十研究所 | 基于功率谱和多尺度小波变换分析强干扰信号检测方法 |
Also Published As
Publication number | Publication date |
---|---|
NO20082702L (no) | 2008-06-23 |
US20080304553A1 (en) | 2008-12-11 |
CN101112003A (zh) | 2008-01-23 |
WO2007065297A1 (fr) | 2007-06-14 |
US8059768B2 (en) | 2011-11-15 |
EP1959581A4 (en) | 2010-03-31 |
EP1959581B1 (en) | 2019-04-17 |
EP1959581A1 (en) | 2008-08-20 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN100550666C (zh) | 扩频系统中窄带干扰消除的方法、装置 | |
CN100544218C (zh) | 扩频系统中通过加窗处理消除窄带干扰的方法和装置 | |
Joshi et al. | Adaptive spectrum sensing with noise variance estimation for dynamic cognitive radio systems | |
CN102904604B (zh) | 一种窄带干扰抑制方法和装置 | |
US8315297B2 (en) | Method, device and computer program for classifying a received signal | |
CN103634026B (zh) | 一种基于fpga的数字零中频自适应陷波方法 | |
RU2365042C2 (ru) | Способ и устройство устранения узкополосных радиопомех в широкополосной системе | |
Sheikh et al. | Cognitive spectrum sensing and detection using polyphase DFT filter banks | |
CN108810923B (zh) | Afh干扰频点的判断方法及装置、计算机可读存储介质、接收机 | |
CN101527698A (zh) | 基于希尔伯特黄变换和自适应陷波的非平稳干扰抑制方法 | |
CN100375401C (zh) | 扩频系统中窄带干扰消除的方法和装置 | |
CN101594166A (zh) | 短距离无线网络中消除信号中干扰的方法和装置 | |
CN101136654A (zh) | 一种消除通信系统中窄带干扰的方法及装置 | |
EP2933928B1 (en) | Low complexity narrowband interference suppression | |
US8175829B2 (en) | Analyzer for signal anomalies | |
Chen et al. | Robust adaptive MMSE/DFE multiuser detection in multipath fading channel with impulse noise | |
CN102571656B (zh) | 短距离无线网络中消除信号中干扰的方法和装置 | |
CN115378776A (zh) | 一种基于循环谱参数的mfsk调制识别方法 | |
Yang et al. | Adaptive median threshold algorithm used in FDIS of DSSS receivers | |
Shan et al. | FM interference suppression in spread spectrum communications using time-varying autoregressive model based instantaneous frequency estimation | |
Tahouri et al. | Design of evolutionary adaptive notch filter for GPS anti-jamming system | |
Bektas et al. | Energy based spectrum sensing using wavelet transform for fading channels | |
Rose et al. | Multiscale Discrete Wavelet Transform based Efficient Energy Detection for Wideband Spectrum Sensing | |
Ibadik et al. | Frequency domain energy detection for multiband spectrum sensing in cognitive radio system | |
US20230291615A1 (en) | Communications method and apparatus |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CI01 | Publication of corrected invention patent application |
Correction item: Application Date Correct: 2005.12.7 False: 2007.6.14 Number: 04 Page: 998 Volume: 24 |
|
CI03 | Correction of invention patent |
Correction item: Application Date Correct: 2005.12.7 False: 2007.6.14 Number: 04 Page: The title page Volume: 24 |
|
ERR | Gazette correction |
Free format text: CORRECT: APPLICATION DATE; FROM: 2007.6.14 TO: 2005.12.7 |
|
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20091014 Termination date: 20201207 |
|
CF01 | Termination of patent right due to non-payment of annual fee |