DE69026856T2 - Spreizspektrumsignaldetektor - Google Patents
SpreizspektrumsignaldetektorInfo
- Publication number
- DE69026856T2 DE69026856T2 DE69026856T DE69026856T DE69026856T2 DE 69026856 T2 DE69026856 T2 DE 69026856T2 DE 69026856 T DE69026856 T DE 69026856T DE 69026856 T DE69026856 T DE 69026856T DE 69026856 T2 DE69026856 T2 DE 69026856T2
- Authority
- DE
- Germany
- Prior art keywords
- spread spectrum
- signal detector
- spectrum signal
- detector
- 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 - Fee Related
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04K—SECRET COMMUNICATION; JAMMING OF COMMUNICATION
- H04K3/00—Jamming of communication; Counter-measures
- H04K3/20—Countermeasures against jamming
- H04K3/22—Countermeasures against jamming including jamming detection and monitoring
- H04K3/224—Countermeasures against jamming including jamming detection and monitoring with countermeasures at transmission and/or reception of the jammed signal, e.g. stopping operation of transmitter or receiver, nulling or enhancing transmitted power in direction of or at frequency of jammer
- H04K3/228—Elimination in the received signal of jamming or of data corrupted by jamming
-
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
- G01S19/01—Satellite radio beacon positioning systems transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
- G01S19/13—Receivers
- G01S19/21—Interference related issues ; Issues related to cross-correlation, spoofing or other methods of denial of service
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/319,504 US4972430A (en) | 1989-03-06 | 1989-03-06 | Spread spectrum signal detector |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69026856D1 DE69026856D1 (de) | 1996-06-13 |
DE69026856T2 true DE69026856T2 (de) | 1997-01-09 |
Family
ID=23242518
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69026856T Expired - Fee Related DE69026856T2 (de) | 1989-03-06 | 1990-03-06 | Spreizspektrumsignaldetektor |
Country Status (5)
Country | Link |
---|---|
US (1) | US4972430A (de) |
EP (1) | EP0386985B1 (de) |
JP (1) | JP2809468B2 (de) |
CA (1) | CA2010404C (de) |
DE (1) | DE69026856T2 (de) |
Families Citing this family (36)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5208829A (en) * | 1991-03-26 | 1993-05-04 | Hughes Aircraft Company | Communication satellite system having an increased power output density per unit of bandwidth |
US5410750A (en) * | 1992-02-24 | 1995-04-25 | Raytheon Company | Interference suppressor for a radio receiver |
FI90477C (fi) * | 1992-03-23 | 1994-02-10 | Nokia Mobile Phones Ltd | Puhesignaalin laadun parannusmenetelmä lineaarista ennustusta käyttävään koodausjärjestelmään |
FI93068C (fi) * | 1992-07-27 | 1995-02-10 | Nokia Mobile Phones Ltd | Kytkentä häiriöiden haittavaikutusten pienentämiseksi sovitettua suodatinta käyttävissä vastaanottimissa |
FI91579C (fi) * | 1992-08-20 | 1994-07-11 | Nokia Mobile Phones Ltd | Dekoodaus käyttäen lineaarista metriciä ja häiriön estimointia |
FI91687C (fi) * | 1992-08-20 | 1994-07-25 | Nokia Mobile Phones Ltd | AGC:n ohjaussignaalin suodatus |
KR950009406B1 (ko) * | 1992-11-27 | 1995-08-22 | 삼성전자주식회사 | 코드분할 다중접근(cdma) 직접확산(ds) 방식 수신기의 클럭 복구안정화방법 및 회로 |
US5526389A (en) * | 1993-07-16 | 1996-06-11 | Senses Data Communicaion | Spread spectrum open loop data recovery processor |
US5521938A (en) * | 1994-07-01 | 1996-05-28 | Motorola, Inc. | Apparatus for performing frequency conversion in a communication system |
US5548616A (en) * | 1994-09-09 | 1996-08-20 | Nokia Mobile Phones Ltd. | Spread spectrum radiotelephone having adaptive transmitter gain control |
US5566201A (en) * | 1994-09-27 | 1996-10-15 | Nokia Mobile Phones Ltd. | Digital AGC for a CDMA radiotelephone |
US5727031A (en) * | 1995-06-30 | 1998-03-10 | Telefonaktiebolaget Lm Ericsson | Adaptive gain controller |
JP3588175B2 (ja) * | 1995-11-29 | 2004-11-10 | パイオニア株式会社 | 波形同一識別回路 |
US5828692A (en) * | 1995-12-06 | 1998-10-27 | Rockwell International Corporation | Baseband demodulator for polar or rectangular modulated signal in a cordless spread spectrum telephone |
US6151373A (en) * | 1997-04-03 | 2000-11-21 | At&T Corp. | Weak signal resolver |
US6760389B1 (en) * | 1998-06-01 | 2004-07-06 | Agere Systems Inc. | Data recovery for non-uniformly spaced edges |
US6584163B1 (en) * | 1998-06-01 | 2003-06-24 | Agere Systems Inc. | Shared data and clock recovery for packetized data |
US6411646B1 (en) | 1998-06-30 | 2002-06-25 | Conexant Systems, Inc. | Direct conversion time division duplex radio, direct sequence spread spectrum cordless telephone |
JP3551841B2 (ja) * | 1999-06-09 | 2004-08-11 | 日本電気株式会社 | 受信機及びその利得制御方法 |
JP2001284996A (ja) * | 2000-03-31 | 2001-10-12 | Matsushita Electric Ind Co Ltd | ゲイン制御装置 |
KR100408753B1 (ko) * | 2002-01-22 | 2003-12-11 | 삼성전자주식회사 | 이퀄라이징 기법을 이용한 데이터와 클럭의 스큐를보상하는 수신기 |
KR100460207B1 (ko) * | 2002-10-16 | 2004-12-08 | 학교법인 포항공과대학교 | 룩어헤드 디시젼 피드백 이퀄라이징 기법을 이용한 수신기 |
JP4443991B2 (ja) * | 2004-04-23 | 2010-03-31 | 株式会社エヌ・ティ・ティ・ドコモ | 無線通信システム、受信装置及び受信方法 |
US7295145B2 (en) * | 2004-07-21 | 2007-11-13 | Daniel Alexander Weber | Selective-sampling receiver |
US8026839B2 (en) * | 2004-07-21 | 2011-09-27 | Daniel Alexander Weber | Selective-sampling receiver |
WO2006078314A2 (en) * | 2004-07-22 | 2006-07-27 | Daniel Weber | Selective-sampling receiver |
EP1777545A1 (de) * | 2005-10-24 | 2007-04-25 | Mitsubishi Electric Information Technology Centre Europe B.V. | Objekterkennung |
US7336219B1 (en) * | 2005-12-30 | 2008-02-26 | Valeo Raytheon Systems, Inc. | System and method for generating a radar detection threshold |
JP4206108B2 (ja) * | 2006-07-28 | 2009-01-07 | 東芝テック株式会社 | 無線タグリーダライタ |
US7485592B2 (en) * | 2006-09-13 | 2009-02-03 | E.I. Du Pont De Nemours And Company | Bag filter comprising polyphenylene sulfide and acrylic fiber |
JP2009074856A (ja) * | 2007-09-19 | 2009-04-09 | Panasonic Corp | スペクトル拡散型レーダ装置 |
US8934587B2 (en) | 2011-07-21 | 2015-01-13 | Daniel Weber | Selective-sampling receiver |
KR101473592B1 (ko) * | 2013-12-05 | 2014-12-16 | 한국항공우주연구원 | 교란 신호 검출 장치 및 방법 |
CN103905130B (zh) * | 2014-02-25 | 2016-04-06 | 北京邮电大学 | 基于相位邻差的频谱检测方法与装置 |
CN110221606B (zh) * | 2019-05-20 | 2021-08-17 | 南京航空航天大学 | 一种基于测距信号的距离变化率求解及机器人编队方法 |
JP2022145980A (ja) * | 2021-03-22 | 2022-10-05 | 株式会社Jvcケンウッド | 信号検出装置、受信装置および信号検出方法 |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6048955B2 (ja) * | 1977-02-28 | 1985-10-30 | ソニー株式会社 | ホワイトバランス調整装置 |
US4225976A (en) * | 1978-02-28 | 1980-09-30 | Harris Corporation | Pre-calibration of gain control circuit in spread-spectrum demodulator |
US4222115A (en) * | 1978-03-13 | 1980-09-09 | Purdue Research Foundation | Spread spectrum apparatus for cellular mobile communication systems |
US4247939A (en) * | 1978-11-09 | 1981-01-27 | Sanders Associates, Inc. | Spread spectrum detector |
US4279018A (en) * | 1979-03-06 | 1981-07-14 | Nasa | PN Lock indicator for dithered PN code tracking loop |
US4262829A (en) * | 1979-11-05 | 1981-04-21 | Hine-Snowbridge, Inc. | Bicycle pack and method of attachment |
US4280128A (en) * | 1980-03-24 | 1981-07-21 | The United States Of America As Represented By The Secretary Of The Army | Adaptive steerable null antenna processor |
US4387465A (en) * | 1981-04-13 | 1983-06-07 | Trw Inc. | Sequential threshold detector |
US4457006A (en) * | 1981-11-16 | 1984-06-26 | Sperry Corporation | Global positioning system receiver |
US4484335A (en) * | 1982-10-14 | 1984-11-20 | E-Systems, Inc. | Method and apparatus for despreading a spread spectrum signal at baseband |
US4550414A (en) * | 1983-04-12 | 1985-10-29 | Charles Stark Draper Laboratory, Inc. | Spread spectrum adaptive code tracker |
US4530103A (en) * | 1983-08-22 | 1985-07-16 | E-Systems, Inc. | Method and apparatus for baseband tracking of a PN code sequence in a spread spectrum receiver |
US4706286A (en) * | 1983-12-30 | 1987-11-10 | Litton Systems, Inc. | Method and circuit for extraction of Doppler information from a pseudo-noise modulated carrier |
US4630283A (en) * | 1985-07-17 | 1986-12-16 | Rca Corporation | Fast acquisition burst mode spread spectrum communications system with pilot carrier |
US4701934A (en) * | 1985-09-03 | 1987-10-20 | Motorola, Inc. | Method of doppler searching in a digital GPS receiver |
US4785463A (en) * | 1985-09-03 | 1988-11-15 | Motorola, Inc. | Digital global positioning system receiver |
US4890297A (en) * | 1988-10-19 | 1989-12-26 | Unisys Corp. | Burst jammer erasure circuit for spread spectrum receivers |
-
1989
- 1989-03-06 US US07/319,504 patent/US4972430A/en not_active Expired - Lifetime
-
1990
- 1990-02-20 CA CA002010404A patent/CA2010404C/en not_active Expired - Fee Related
- 1990-03-06 EP EP90302335A patent/EP0386985B1/de not_active Expired - Lifetime
- 1990-03-06 JP JP2054805A patent/JP2809468B2/ja not_active Expired - Fee Related
- 1990-03-06 DE DE69026856T patent/DE69026856T2/de not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
DE69026856D1 (de) | 1996-06-13 |
JPH03121635A (ja) | 1991-05-23 |
CA2010404A1 (en) | 1990-09-06 |
EP0386985A3 (de) | 1992-03-04 |
EP0386985A2 (de) | 1990-09-12 |
CA2010404C (en) | 2001-01-16 |
JP2809468B2 (ja) | 1998-10-08 |
EP0386985B1 (de) | 1996-05-08 |
US4972430A (en) | 1990-11-20 |
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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 |