CN102763143B - 用于使用相干传输信号进行接收器清空的方法和系统 - Google Patents
用于使用相干传输信号进行接收器清空的方法和系统 Download PDFInfo
- Publication number
- CN102763143B CN102763143B CN201080064097.2A CN201080064097A CN102763143B CN 102763143 B CN102763143 B CN 102763143B CN 201080064097 A CN201080064097 A CN 201080064097A CN 102763143 B CN102763143 B CN 102763143B
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- CN
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- Prior art keywords
- receiver
- value
- transmitter
- module
- low pass
- 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.)
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Classifications
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- 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
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/40—Circuits
- H04B1/50—Circuits using different frequencies for the two directions of communication
- H04B1/52—Hybrid arrangements, i.e. arrangements for transition from single-path two-direction transmission to single-direction transmission on each of two paths or vice versa
- H04B1/525—Hybrid arrangements, i.e. arrangements for transition from single-path two-direction transmission to single-direction transmission on each of two paths or vice versa with means for reducing leakage of transmitter signal into the receiver
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B13/00—Burglar, theft or intruder alarms
- G08B13/22—Electrical actuation
- G08B13/24—Electrical actuation by interference with electromagnetic field distribution
- G08B13/2402—Electronic Article Surveillance [EAS], i.e. systems using tags for detecting removal of a tagged item from a secure area, e.g. tags for detecting shoplifting
-
- 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
- H04B1/02—Transmitters
- H04B1/04—Circuits
- H04B1/0475—Circuits with means for limiting noise, interference or distortion
Abstract
Description
Claims (20)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/686,729 | 2010-01-13 | ||
US12/686,729 US8311485B2 (en) | 2010-01-13 | 2010-01-13 | Method and system for receiver nulling using coherent transmit signals |
PCT/US2010/003241 WO2011087492A1 (en) | 2010-01-13 | 2010-12-23 | Method and system for receiver nulling using coherent transmit signals |
Publications (2)
Publication Number | Publication Date |
---|---|
CN102763143A CN102763143A (zh) | 2012-10-31 |
CN102763143B true CN102763143B (zh) | 2017-04-26 |
Family
ID=43829386
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201080064097.2A Active CN102763143B (zh) | 2010-01-13 | 2010-12-23 | 用于使用相干传输信号进行接收器清空的方法和系统 |
Country Status (7)
Country | Link |
---|---|
US (1) | US8311485B2 (zh) |
EP (1) | EP2524360B1 (zh) |
KR (1) | KR101728829B1 (zh) |
CN (1) | CN102763143B (zh) |
CA (1) | CA2786530C (zh) |
ES (1) | ES2560886T3 (zh) |
WO (1) | WO2011087492A1 (zh) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8816854B2 (en) * | 2009-11-10 | 2014-08-26 | Tyco Fire & Security Gmbh | System and method for reducing cart alarms and increasing sensitivity in an EAS system with metal shielding detection |
US8264353B2 (en) * | 2010-05-06 | 2012-09-11 | Sensormatic Electronics, LLC | Method and system for sliding door pattern cancellation in metal detection |
US10191177B2 (en) * | 2011-11-11 | 2019-01-29 | Nokia Technologies Oy | Apparatus and a method for metal detection involving a mobile terminal with a display |
CA2909650C (en) | 2013-03-14 | 2022-05-03 | Ronald B. Easter | Mobile eas deactivator |
US10574276B2 (en) * | 2014-08-27 | 2020-02-25 | Qualcomm Incorporated | Selecting a precoding configuration based on self-jamming metrics |
US20170090066A1 (en) * | 2015-09-28 | 2017-03-30 | Tyco Fire & Security Gmbh | Systems and methods for adaptive cancellation of a moving metal object's effect on received signals |
US20170178478A1 (en) * | 2015-12-18 | 2017-06-22 | Checkpoint Systems, Inc. | Reduction of false alarms in eas systems |
CN107220574B (zh) * | 2017-05-12 | 2020-02-21 | 深圳信实科科技有限公司 | 信号识别方法 |
US10255777B1 (en) * | 2018-01-31 | 2019-04-09 | Sensormatic Electronics, LLC | Systems and methods for dynamic field reduction based on a measured distance between a tag and a tag deactivator |
Citations (2)
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US5349339A (en) * | 1992-04-07 | 1994-09-20 | Actron Entwicklungs Ag | Apparatus for the detection of labels employing subtraction of background signals |
CN1523769A (zh) * | 2003-02-20 | 2004-08-25 | �ձ�������ʽ���� | 用于频谱高效高速传输的迭代软干扰消除和滤波 |
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US3911389A (en) * | 1974-03-21 | 1975-10-07 | Us Transport | Magnetic gradient vehicle detector |
JPS5855703B2 (ja) * | 1976-11-24 | 1983-12-10 | ケイディディ株式会社 | 自動予等化方式 |
US5107273A (en) * | 1981-05-11 | 1992-04-21 | The United States Of America As Represented By The Secretary Of The Army | Adaptive steerable null antenna processor with null indicator |
DE3520606A1 (de) * | 1985-06-08 | 1986-12-11 | Blaupunkt-Werke Gmbh, 3200 Hildesheim | Verfahren zur gleichzeitigen uebertragung von in parallelen nachrichtenkanaelen auftretenden nachrichten |
US5387900A (en) | 1992-11-19 | 1995-02-07 | Sensormatic Electronics Corporation | EAS system with improved processing of antenna signals |
US5699045A (en) | 1996-06-06 | 1997-12-16 | Sensormatic Electronics Corporation | Electronic article surveillance system with cancellation of interference signals |
SG84514A1 (en) * | 1998-08-31 | 2001-11-20 | Oki Techno Ct Singapore Pte | Receiving device and channel estimator for use in a cdma communication system |
US6601104B1 (en) * | 1999-03-11 | 2003-07-29 | Realtime Data Llc | System and methods for accelerated data storage and retrieval |
US6404758B1 (en) * | 1999-04-19 | 2002-06-11 | Ericsson, Inc. | System and method for achieving slot synchronization in a wideband CDMA system in the presence of large initial frequency errors |
JP3565160B2 (ja) * | 2000-11-17 | 2004-09-15 | 日本電気株式会社 | 交差偏波間干渉補償回路 |
KR100510434B1 (ko) * | 2001-04-09 | 2005-08-26 | 니폰덴신뎅와 가부시키가이샤 | Ofdm신호전달 시스템, ofdm신호 송신장치 및ofdm신호 수신장치 |
US6781520B1 (en) * | 2001-08-06 | 2004-08-24 | Halliburton Energy Services, Inc. | Motion sensor for noise cancellation in borehole electromagnetic telemetry system |
US7542446B2 (en) * | 2002-07-31 | 2009-06-02 | Mitsubishi Electric Research Laboratories, Inc. | Space time transmit diversity with subgroup rate control and subgroup antenna selection in multi-input multi-output communications systems |
DE10301125B3 (de) * | 2003-01-14 | 2004-06-24 | Eads Deutschland Gmbh | Verfahren zur Kalibrierung von Sende- und Empfangspfaden von Antennensystemen |
US7096042B2 (en) * | 2003-01-21 | 2006-08-22 | Interdigital Technology Corporation | System and method for increasing cellular system capacity by the use of the same frequency and time slot for both uplink and downlink transmissions |
US7092684B2 (en) * | 2003-03-31 | 2006-08-15 | Motorola, Inc. | Method and apparatus for reducing interfering signals in a transmitter |
US7002897B2 (en) * | 2003-04-28 | 2006-02-21 | Solarflare Communications, Inc. | Multiple channel interference cancellation |
US6998908B1 (en) * | 2003-06-10 | 2006-02-14 | Rockwell Collins, Inc. | Adaptive interference cancellation receiving system using synthesizer phase accumulation |
US7639616B1 (en) * | 2004-06-08 | 2009-12-29 | Sun Microsystems, Inc. | Adaptive cut-through algorithm |
FR2886076B1 (fr) * | 2005-05-23 | 2007-10-19 | Anagram Technologies Sa | Procede et dispositif de conversion de frequence d'echantillonnage d'un signal numerique |
JP4939888B2 (ja) * | 2005-10-05 | 2012-05-30 | パナソニック株式会社 | 無線通信装置 |
US20080013747A1 (en) * | 2006-06-30 | 2008-01-17 | Bao Tran | Digital stethoscope and monitoring instrument |
US7446558B2 (en) | 2006-09-29 | 2008-11-04 | Mediatek Inc. | High speed IO buffer |
US20080079547A1 (en) | 2006-09-29 | 2008-04-03 | Sensormatic Electronics Corporation | Radio frequency identification reader having a signal canceller and method thereof |
US7460059B1 (en) * | 2006-10-25 | 2008-12-02 | Sandia Corporation | Removing interfering clutter associated with radar pulses that an airborne radar receives from a radar transponder |
KR100902336B1 (ko) | 2007-07-20 | 2009-06-12 | 한국전자통신연구원 | 동일채널 중계장치 및 그 방법 |
US8855580B2 (en) | 2008-06-27 | 2014-10-07 | Telefonaktiebolaget L M Ericsson (Publ) | Methods and apparatus for reducing own-transmitter interference in low-IF and zero-IF receivers |
US8704638B2 (en) | 2008-07-07 | 2014-04-22 | Tyco Fire & Security Services GmbH | Electronic article surveillance system with metal detection capability and method therefor |
US20110256857A1 (en) * | 2010-04-20 | 2011-10-20 | Intersil Americas Inc. | Systems and Methods for Improving Antenna Isolation Using Signal Cancellation |
-
2010
- 2010-01-13 US US12/686,729 patent/US8311485B2/en active Active
- 2010-12-23 EP EP10803669.0A patent/EP2524360B1/en active Active
- 2010-12-23 WO PCT/US2010/003241 patent/WO2011087492A1/en active Application Filing
- 2010-12-23 KR KR1020127020931A patent/KR101728829B1/ko active IP Right Grant
- 2010-12-23 CA CA2786530A patent/CA2786530C/en active Active
- 2010-12-23 ES ES10803669.0T patent/ES2560886T3/es active Active
- 2010-12-23 CN CN201080064097.2A patent/CN102763143B/zh active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5349339A (en) * | 1992-04-07 | 1994-09-20 | Actron Entwicklungs Ag | Apparatus for the detection of labels employing subtraction of background signals |
CN1523769A (zh) * | 2003-02-20 | 2004-08-25 | �ձ�������ʽ���� | 用于频谱高效高速传输的迭代软干扰消除和滤波 |
Also Published As
Publication number | Publication date |
---|---|
US8311485B2 (en) | 2012-11-13 |
WO2011087492A1 (en) | 2011-07-21 |
KR20120116471A (ko) | 2012-10-22 |
CA2786530A1 (en) | 2011-07-21 |
EP2524360B1 (en) | 2015-12-23 |
CA2786530C (en) | 2018-08-28 |
US20110171910A1 (en) | 2011-07-14 |
AU2010341820A1 (en) | 2012-07-26 |
CN102763143A (zh) | 2012-10-31 |
ES2560886T3 (es) | 2016-02-23 |
EP2524360A1 (en) | 2012-11-21 |
KR101728829B1 (ko) | 2017-04-20 |
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Owner name: TYCO FIRE + SECURITY GMBH Free format text: FORMER OWNER: ADT SERVICE LLC Effective date: 20150804 Owner name: ADT SERVICE LLC Free format text: FORMER OWNER: SENSOR ELECTRONICS CO., LTD. Effective date: 20150804 |
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Effective date of registration: 20150804 Address after: Switzerland Rhine falls Neuhausen Applicant after: TYCO FIRE & SECURITY GmbH Address before: Switzerland Rhine falls Neuhausen Applicant before: ADT Services LLC Effective date of registration: 20150804 Address after: Switzerland Rhine falls Neuhausen Applicant after: ADT Services LLC Address before: American Florida Applicant before: SENSORMATIC ELECTRONICS, LLC |
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