JP2004536533A - 無線ロケーション・システムにおいてtdoaおよびfdoaを推定するための方法の改良 - Google Patents
無線ロケーション・システムにおいてtdoaおよびfdoaを推定するための方法の改良 Download PDFInfo
- Publication number
- JP2004536533A JP2004536533A JP2003514822A JP2003514822A JP2004536533A JP 2004536533 A JP2004536533 A JP 2004536533A JP 2003514822 A JP2003514822 A JP 2003514822A JP 2003514822 A JP2003514822 A JP 2003514822A JP 2004536533 A JP2004536533 A JP 2004536533A
- Authority
- JP
- Japan
- Prior art keywords
- wireless
- cross
- tdoa
- location
- scs
- 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.)
- Pending
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W64/00—Locating users or terminals or network equipment for network management purposes, e.g. mobility management
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- 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
- G01S5/00—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
- G01S5/02—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations using radio waves
- G01S5/06—Position of source determined by co-ordinating a plurality of position lines defined by path-difference measurements
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- 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
- G01S5/00—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
- G01S5/02—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations using radio waves
- G01S5/10—Position of receiver fixed by co-ordinating a plurality of position lines defined by path-difference measurements, e.g. omega or decca systems
-
- 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
- G01S1/00—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith
- G01S1/02—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith using radio waves
- G01S1/022—Means for monitoring or calibrating
- G01S1/026—Means for monitoring or calibrating of associated receivers
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
- Position Fixing By Use Of Radio Waves (AREA)
- Radar Systems Or Details Thereof (AREA)
- Radio Relay Systems (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US09/908,998 US6876859B2 (en) | 2001-07-18 | 2001-07-18 | Method for estimating TDOA and FDOA in a wireless location system |
| PCT/US2002/000754 WO2003009613A1 (en) | 2001-07-18 | 2002-01-10 | Improved method for estimating tdoa and fdoa in a wireless location system |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2009052961A Division JP2009162771A (ja) | 2001-07-18 | 2009-03-06 | 無線ロケーション・システムにおいてtdoaおよびfdoaを推定するための方法の改良 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2004536533A true JP2004536533A (ja) | 2004-12-02 |
| JP2004536533A5 JP2004536533A5 (https=) | 2008-07-31 |
Family
ID=25426487
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2003514822A Pending JP2004536533A (ja) | 2001-07-18 | 2002-01-10 | 無線ロケーション・システムにおいてtdoaおよびfdoaを推定するための方法の改良 |
| JP2009052961A Ceased JP2009162771A (ja) | 2001-07-18 | 2009-03-06 | 無線ロケーション・システムにおいてtdoaおよびfdoaを推定するための方法の改良 |
| JP2012216896A Pending JP2013057668A (ja) | 2001-07-18 | 2012-09-28 | 無線ロケーション・システムにおいてtdoaおよびfdoaを推定するための方法の改良 |
Family Applications After (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2009052961A Ceased JP2009162771A (ja) | 2001-07-18 | 2009-03-06 | 無線ロケーション・システムにおいてtdoaおよびfdoaを推定するための方法の改良 |
| JP2012216896A Pending JP2013057668A (ja) | 2001-07-18 | 2012-09-28 | 無線ロケーション・システムにおいてtdoaおよびfdoaを推定するための方法の改良 |
Country Status (13)
| Country | Link |
|---|---|
| US (1) | US6876859B2 (https=) |
| EP (1) | EP1417847B1 (https=) |
| JP (3) | JP2004536533A (https=) |
| KR (1) | KR100881946B1 (https=) |
| CN (1) | CN100397911C (https=) |
| AT (1) | ATE546975T1 (https=) |
| BR (1) | BR0210360A (https=) |
| CA (1) | CA2454161C (https=) |
| ES (1) | ES2386669T3 (https=) |
| GB (1) | GB2395080B (https=) |
| IL (2) | IL159413A0 (https=) |
| MX (1) | MXPA04000461A (https=) |
| WO (1) | WO2003009613A1 (https=) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006226973A (ja) * | 2005-02-21 | 2006-08-31 | Electronic Navigation Research Institute | 移動体の測位方法及びその測位装置 |
| JP2006349470A (ja) * | 2005-06-15 | 2006-12-28 | Toshiba Corp | アップリンク干渉源位置特定装置及びその方法 |
| JP2011508873A (ja) * | 2007-12-10 | 2011-03-17 | トゥルーポジション・インコーポレーテッド | ワイヤレス位置検出システムにおけるcmda信号の到達時間検出 |
| KR101047927B1 (ko) | 2009-09-23 | 2011-07-08 | (주)에이알테크놀로지 | 도착 시간 차이 및 도착 주파수 차이를 추정하는 방법 및 장치 |
| JP2011525326A (ja) * | 2008-06-13 | 2011-09-15 | クゥアルコム・インコーポレイテッド | 無線網で性能測定値を生成する装置および方法 |
Families Citing this family (204)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7548787B2 (en) | 2005-08-03 | 2009-06-16 | Kamilo Feher | Medical diagnostic and communication system |
| US6757334B1 (en) * | 1998-08-10 | 2004-06-29 | Kamilo Feher | Bit rate agile third-generation wireless CDMA, GSM, TDMA and OFDM system |
| US8050345B1 (en) * | 1999-08-09 | 2011-11-01 | Kamilo Feher | QAM and GMSK systems |
| US7079584B2 (en) | 1998-08-10 | 2006-07-18 | Kamilo Feher | OFDM, CDMA, spread spectrum, TDMA, cross-correlated and filtered modulation |
| US7593481B2 (en) * | 1998-08-31 | 2009-09-22 | Kamilo Feher | CDMA, W-CDMA, 3rd generation interoperable modem format selectable (MFS) systems with GMSK modulated systems |
| US6470055B1 (en) | 1998-08-10 | 2002-10-22 | Kamilo Feher | Spectrally efficient FQPSK, FGMSK, and FQAM for enhanced performance CDMA, TDMA, GSM, OFDN, and other systems |
| US7415066B2 (en) * | 1998-08-10 | 2008-08-19 | Kamilo Feher | Mis-matched modulation-demodulation format selectable filters |
| EP1110356A4 (en) | 1998-08-31 | 2003-05-28 | Kamilo Feher | MODULATION BY FEHER HANDLING AND TRANSCEIVERS WITH CLOCK SIGNAL CONFORMERS |
| US7739167B2 (en) | 1999-03-05 | 2010-06-15 | Era Systems Corporation | Automated management of airport revenues |
| US7777675B2 (en) | 1999-03-05 | 2010-08-17 | Era Systems Corporation | Deployable passive broadband aircraft tracking |
| US8446321B2 (en) | 1999-03-05 | 2013-05-21 | Omnipol A.S. | Deployable intelligence and tracking system for homeland security and search and rescue |
| US7612716B2 (en) | 1999-03-05 | 2009-11-03 | Era Systems Corporation | Correlation of flight track data with other data sources |
| US7667647B2 (en) | 1999-03-05 | 2010-02-23 | Era Systems Corporation | Extension of aircraft tracking and positive identification from movement areas into non-movement areas |
| US8203486B1 (en) | 1999-03-05 | 2012-06-19 | Omnipol A.S. | Transmitter independent techniques to extend the performance of passive coherent location |
| US7908077B2 (en) | 2003-06-10 | 2011-03-15 | Itt Manufacturing Enterprises, Inc. | Land use compatibility planning software |
| US7570214B2 (en) | 1999-03-05 | 2009-08-04 | Era Systems, Inc. | Method and apparatus for ADS-B validation, active and passive multilateration, and elliptical surviellance |
| US7889133B2 (en) | 1999-03-05 | 2011-02-15 | Itt Manufacturing Enterprises, Inc. | Multilateration enhancements for noise and operations management |
| US7782256B2 (en) | 1999-03-05 | 2010-08-24 | Era Systems Corporation | Enhanced passive coherent location techniques to track and identify UAVs, UCAVs, MAVs, and other objects |
| US9307407B1 (en) | 1999-08-09 | 2016-04-05 | Kamilo Feher | DNA and fingerprint authentication of mobile devices |
| US9373251B2 (en) | 1999-08-09 | 2016-06-21 | Kamilo Feher | Base station devices and automobile wireless communication systems |
| US9813270B2 (en) | 1999-08-09 | 2017-11-07 | Kamilo Feher | Heart rate sensor and medical diagnostics wireless devices |
| US7260369B2 (en) | 2005-08-03 | 2007-08-21 | Kamilo Feher | Location finder, tracker, communication and remote control system |
| EP1266321A4 (en) | 2000-02-25 | 2003-05-21 | Telecomm Systems Inc | SHORT NEWS WITH PRE-PAYMENT |
| US7110773B1 (en) * | 2000-04-11 | 2006-09-19 | Telecommunication Systems, Inc. | Mobile activity status tracker |
| US7522911B2 (en) | 2000-04-11 | 2009-04-21 | Telecommunication Systems, Inc. | Wireless chat automatic status tracking |
| US7853272B2 (en) * | 2001-12-21 | 2010-12-14 | Telecommunication Systems, Inc. | Wireless network tour guide |
| US6823284B2 (en) * | 2002-04-30 | 2004-11-23 | International Business Machines Corporation | Geolocation subsystem |
| US20040029545A1 (en) * | 2002-08-09 | 2004-02-12 | Anderson Jon J. | Method and system for leaving a communication channel in a wireless communications system |
| US7715850B2 (en) * | 2002-10-22 | 2010-05-11 | Qualcomm Incorporated | Method and apparatus for identifying transmitters in a wireless communication system using power predictions |
| JP2004175052A (ja) * | 2002-11-29 | 2004-06-24 | Sony Corp | インクジェット被記録媒体、インクジェット画像形成方法及び印画物 |
| CN100536594C (zh) * | 2002-12-02 | 2009-09-02 | 诺基亚公司 | 信号延迟的估计 |
| CN100362365C (zh) * | 2003-02-07 | 2008-01-16 | 西门子公司 | 无线通信系统中的用户定位方法 |
| EP1445625B1 (de) * | 2003-02-07 | 2007-07-11 | Siemens Aktiengesellschaft | Verfahren zur Positionsbestimmung eines Teilnehmers in einem Funkkommunikationssystem |
| FR2857102B1 (fr) * | 2003-07-04 | 2007-06-15 | Nortel Networks Ltd | Procede de mesure de l'instant d'arrivee d'un signal radio recu, dispositif de mesure et dispositif de localisation d'une station mobile pour la mise en oeuvre du procede |
| CA2532050C (en) * | 2003-08-14 | 2010-02-23 | Sensis Corporation | Target localization using tdoa distributed antenna |
| GB0327041D0 (en) * | 2003-11-21 | 2003-12-24 | Roke Manor Research | Apparatus and methods |
| GB0327794D0 (en) * | 2003-11-29 | 2003-12-31 | Koninkl Philips Electronics Nv | Positioning method and apparatus |
| GB0328202D0 (en) | 2003-12-05 | 2004-01-07 | Westinghouse Brake & Signal | Railway vehicle detection |
| US7627333B2 (en) * | 2003-12-19 | 2009-12-01 | Andrew Llc | E-OTD augmentation to U-TDOA location system |
| US7440762B2 (en) * | 2003-12-30 | 2008-10-21 | Trueposition, Inc. | TDOA/GPS hybrid wireless location system |
| GB0401767D0 (en) * | 2004-01-27 | 2004-03-03 | Koninkl Philips Electronics Nv | Positioning systems |
| US7409189B2 (en) * | 2004-03-30 | 2008-08-05 | Intel Corporation | Calibration and testing architecture for receivers |
| US7570696B2 (en) * | 2004-06-25 | 2009-08-04 | Intel Corporation | Multiple input multiple output multicarrier communication system and methods with quantized beamforming feedback |
| US7292189B2 (en) * | 2004-09-10 | 2007-11-06 | Worcester Polytechnic Institute | Methods and apparatus for high resolution positioning |
| US7421004B2 (en) * | 2004-10-05 | 2008-09-02 | Kamilo Feher | Broadband, ultra wideband and ultra narrowband reconfigurable interoperable systems |
| US7359449B2 (en) * | 2004-10-05 | 2008-04-15 | Kamilo Feher | Data communication for wired and wireless communication |
| US7453961B1 (en) | 2005-01-11 | 2008-11-18 | Itt Manufacturing Enterprises, Inc. | Methods and apparatus for detection of signal timing |
| US20060217944A1 (en) * | 2005-03-11 | 2006-09-28 | Newfield Wireless, Inc. | Methods for accurate use of finite dynamic range measurement data in radio path loss propagation model calibration |
| US7427952B2 (en) * | 2005-04-08 | 2008-09-23 | Trueposition, Inc. | Augmentation of commercial wireless location system (WLS) with moving and/or airborne sensors for enhanced location accuracy and use of real-time overhead imagery for identification of wireless device locations |
| US7869810B2 (en) * | 2005-04-25 | 2011-01-11 | Agilent Technologies, Inc. | Method and system for computing and displaying location information from cross-correlation data |
| EP1882374A4 (en) | 2005-05-17 | 2008-05-21 | Andrew Corp | METHOD AND DEVICE FOR DETERMINING COUPLED PATH LOSSES |
| US7280810B2 (en) * | 2005-08-03 | 2007-10-09 | Kamilo Feher | Multimode communication system |
| US10009956B1 (en) | 2017-09-02 | 2018-06-26 | Kamilo Feher | OFDM, 3G and 4G cellular multimode systems and wireless mobile networks |
| US7295156B2 (en) * | 2005-08-08 | 2007-11-13 | Trimble Navigation Limited | Cellphone GPS positioning system |
| US7283091B1 (en) | 2005-08-08 | 2007-10-16 | Trimble Navigation Limited | Radio positioning system for providing position and time for assisting GPS signal acquisition in mobile unit |
| US20070066309A1 (en) * | 2005-09-20 | 2007-03-22 | Elizabeth Countryman | Prepaid call management in intelligent network |
| US7489937B2 (en) * | 2005-12-22 | 2009-02-10 | L-3 Communications Integrated Systems, L.P. | Method and apparatus for detecting emitter movement |
| US7593738B2 (en) * | 2005-12-29 | 2009-09-22 | Trueposition, Inc. | GPS synchronization for wireless communications stations |
| US8150421B2 (en) * | 2005-12-30 | 2012-04-03 | Trueposition, Inc. | User plane uplink time difference of arrival (U-TDOA) |
| US20090005061A1 (en) * | 2005-12-30 | 2009-01-01 | Trueposition, Inc. | Location quality of service indicator |
| US20070155489A1 (en) * | 2005-12-30 | 2007-07-05 | Frederic Beckley | Device and network enabled geo-fencing for area sensitive gaming enablement |
| US8588220B2 (en) * | 2005-12-30 | 2013-11-19 | L-3 Communications Corporation | Method and apparatus for mitigating port swapping during signal tracking |
| US8768343B2 (en) * | 2006-03-31 | 2014-07-01 | Zebra Enterprise Solutions Corp | Wireless local area network receiver and associated method |
| US7570212B2 (en) * | 2006-04-07 | 2009-08-04 | The Boeing Company | Reference beacon methods and apparatus for TDOA/FDOA geolocation |
| US7411548B2 (en) * | 2006-04-12 | 2008-08-12 | The Boeing Company | Reference beacon identification using transmission sequence characteristics |
| US9362976B2 (en) | 2006-04-26 | 2016-06-07 | Zih Corp. | Wireless local area network system and receiver adapted for use thereof and associated method |
| US8892065B2 (en) * | 2006-04-26 | 2014-11-18 | Zebra Enterprise Solutions Corp. | Method, apparatus, and computer program product for wireless signal storage with signal recognition detection triggering |
| US7965227B2 (en) | 2006-05-08 | 2011-06-21 | Era Systems, Inc. | Aircraft tracking using low cost tagging as a discriminator |
| US8000702B2 (en) * | 2006-05-16 | 2011-08-16 | Andrew, Llc | Optimizing location services performance by combining user plane and control plane architectures |
| US8000701B2 (en) | 2006-05-16 | 2011-08-16 | Andrew, Llc | Correlation mechanism to communicate in a dual-plane architecture |
| US8019339B2 (en) | 2006-05-16 | 2011-09-13 | Andrew Llc | Using serving area identification in a mixed access network environment |
| US8335196B2 (en) * | 2006-09-19 | 2012-12-18 | Qualcomm Incorporated | Accommodating wideband and narrowband communication devices |
| US8103293B2 (en) | 2006-10-17 | 2012-01-24 | Itt Manufacturing Enterprises, Inc. | System and related circuits and methods for detecting and locating wireless communication device use within a geographical area or facility |
| US7974235B2 (en) | 2006-11-13 | 2011-07-05 | Telecommunication Systems, Inc. | Secure location session manager |
| US8311018B2 (en) | 2007-02-05 | 2012-11-13 | Andrew Llc | System and method for optimizing location estimate of mobile unit |
| US7663547B2 (en) * | 2007-04-13 | 2010-02-16 | Glowlink Communications Technology, Inc. | Determining a geolocation solution of an emitter on earth based on weighted least-squares estimation |
| US7667640B2 (en) * | 2007-04-13 | 2010-02-23 | Glowlink Communications Technology, Inc. | Determining a geolocation solution of an emitter on earth using satellite signals |
| US8331953B2 (en) * | 2007-05-01 | 2012-12-11 | Andrew Llc | System and method for estimating the location of a mobile device |
| US20080285505A1 (en) * | 2007-05-15 | 2008-11-20 | Andrew Corporation | System and method for network timing recovery in communications networks |
| US7933610B2 (en) * | 2007-05-21 | 2011-04-26 | Andrew Llc | Method and apparatus to select an optimum site and/or sector to provide geo-location data |
| US20100278335A1 (en) * | 2007-11-02 | 2010-11-04 | Per Enge | Arrangements for Location-Based Security Systems and Methods Therefor |
| US8170585B2 (en) * | 2007-11-14 | 2012-05-01 | Andrew, Llc | Ranging in UMTS networks |
| US8447319B2 (en) * | 2007-11-15 | 2013-05-21 | Andrew Llc | System and method for locating UMTS user equipment using measurement reports |
| US7800530B2 (en) * | 2007-12-07 | 2010-09-21 | Andrew, Llc | Method and system for providing assistance data for A-GPS location of handsets in wireless networks |
| US8213955B2 (en) | 2008-05-01 | 2012-07-03 | Andrew, Llc | Network measurement report caching for location of mobile devices |
| KR101495289B1 (ko) * | 2008-07-03 | 2015-02-25 | 삼성전자주식회사 | 광대역 무선통신 시스템에서 주파수 오버레이 방식을 위한자원 할당 장치 및 방법 |
| US20100033379A1 (en) * | 2008-08-11 | 2010-02-11 | Lommen Layne D | Reference beacon identification using transmission sequence characteristics |
| US7924224B2 (en) | 2008-08-15 | 2011-04-12 | Trueposition, Inc. | Variable coherence integration for the location of weak signals |
| US8136240B2 (en) * | 2008-08-19 | 2012-03-20 | International Business Machines Corporation | Method of forming a substrate having a plurality of insulator layers |
| US8532747B2 (en) * | 2008-08-22 | 2013-09-10 | Devicor Medical Products, Inc. | Biopsy marker delivery device |
| US8325661B2 (en) * | 2008-08-28 | 2012-12-04 | Qualcomm Incorporated | Supporting multiple access technologies in a wireless environment |
| US9035829B2 (en) | 2008-09-10 | 2015-05-19 | Nextnav, Llc | Wide area positioning systems and methods |
| EP3454625A3 (en) | 2008-09-10 | 2019-06-05 | NextNav, LLC | Wide area positioning system |
| US8917209B2 (en) | 2009-09-10 | 2014-12-23 | Nextnav, Llc | Coding in a wide area positioning system (WAPS) |
| US9057606B2 (en) | 2009-09-10 | 2015-06-16 | Nextnav, Llc | Wide area positioning system |
| US8954028B2 (en) | 2008-09-25 | 2015-02-10 | Telecommunication Systems, Inc. | Geo-redundant and high reliability commercial mobile alert system (CMAS) |
| US8073463B2 (en) | 2008-10-06 | 2011-12-06 | Andrew, Llc | System and method of UMTS UE location using uplink dedicated physical control channel and downlink synchronization channel |
| US8762519B2 (en) * | 2008-10-28 | 2014-06-24 | Andrew Llc | System and method for providing location services for multiple access networks from a single location server |
| US8125377B2 (en) * | 2008-11-17 | 2012-02-28 | Andrew Llc | System and method for determining the location of a mobile device |
| US7800533B2 (en) * | 2008-11-24 | 2010-09-21 | Andrew, Llc | System and method for determining falsified geographic location of a mobile device |
| US8035557B2 (en) * | 2008-11-24 | 2011-10-11 | Andrew, Llc | System and method for server side detection of falsified satellite measurements |
| US7940213B2 (en) * | 2008-11-24 | 2011-05-10 | Andrew, Llc | System and method for determining falsified satellite measurements |
| US8160609B2 (en) * | 2008-11-26 | 2012-04-17 | Andrew Llc | System and method for multiple range estimation location |
| US8249622B2 (en) | 2008-11-26 | 2012-08-21 | Andrew, Llc | System and method for multiple range estimation location |
| US8380222B2 (en) | 2008-11-26 | 2013-02-19 | Andrew Llc | System and method for multiple range estimation location |
| US7956803B2 (en) | 2008-12-01 | 2011-06-07 | Andrew, Llc | System and method for protecting against spoofed A-GNSS measurement data |
| US7916071B2 (en) * | 2008-12-23 | 2011-03-29 | Andrew, Llc | System and method for determining a reference location of a mobile device |
| US8436768B2 (en) | 2008-12-30 | 2013-05-07 | Trueposition, Inc. | Diversity time and frequency location receiver |
| US8138975B2 (en) | 2008-12-30 | 2012-03-20 | Trueposition, Inc. | Interference detection, characterization and location in a wireless communications or broadcast system |
| US9220016B2 (en) | 2009-03-04 | 2015-12-22 | Nokia Technologies Oy | Position monitoring for a coverage area |
| US7986266B2 (en) | 2009-03-13 | 2011-07-26 | Andrew, Llc | Method and system for selecting optimal satellites in view |
| US8239483B2 (en) | 2009-03-16 | 2012-08-07 | Andrew, Llc | System and method for generic application of location determination for network attached devices |
| US20100234022A1 (en) * | 2009-03-16 | 2010-09-16 | Andrew Llc | System and method for supl roaming in wimax networks |
| US8301160B2 (en) * | 2009-03-16 | 2012-10-30 | Andrew Llc | System and method for SUPL roaming using a held client |
| US8391884B2 (en) * | 2009-03-26 | 2013-03-05 | Andrew Llc | System and method for managing created location contexts in a location server |
| US8462769B2 (en) | 2009-03-26 | 2013-06-11 | Andrew Llc | System and method for managing created location contexts in a location server |
| US8467805B2 (en) * | 2009-05-08 | 2013-06-18 | Andrew Llc | System and method for determining a reference location using cell table data mining |
| US8452230B2 (en) | 2009-05-11 | 2013-05-28 | Qualcomm Incorporated | Multi-metric gain control for wireless repeater |
| US8290510B2 (en) * | 2009-06-11 | 2012-10-16 | Andrew Llc | System and method for SUPL held interworking |
| US8134493B2 (en) * | 2009-07-02 | 2012-03-13 | Raytheon Company | System and method for precision geolocation utilizing multiple sensing modalities |
| IL200158A (en) * | 2009-07-30 | 2014-12-31 | Verint Systems Ltd | System and methods for locating communication terminals on cellular networks |
| WO2011016804A1 (en) | 2009-08-05 | 2011-02-10 | Andrew Llc | System and method for hybrid location in an lte network |
| US8248997B2 (en) * | 2009-08-17 | 2012-08-21 | Nokia Corporation | Apparatus and method for positioning a wireless user equipment |
| US9372266B2 (en) | 2009-09-10 | 2016-06-21 | Nextnav, Llc | Cell organization and transmission schemes in a wide area positioning system (WAPS) |
| US9291712B2 (en) | 2009-09-10 | 2016-03-22 | Nextnav, Llc | Cell organization and transmission schemes in a wide area positioning system (WAPS) |
| US8340683B2 (en) | 2009-09-21 | 2012-12-25 | Andrew, Llc | System and method for a high throughput GSM location solution |
| US8217832B2 (en) | 2009-09-23 | 2012-07-10 | Andrew, Llc | Enhancing location accuracy using multiple satellite measurements based on environment |
| CN101699915B (zh) * | 2009-10-13 | 2015-01-28 | 中兴通讯股份有限公司 | 一种主板、实现锁网/锁卡功能的方法及移动终端 |
| US8289210B2 (en) * | 2009-10-15 | 2012-10-16 | Andrew Llc | Location measurement acquisition adaptive optimization |
| US8188920B2 (en) * | 2009-10-15 | 2012-05-29 | Andrew, Llc | Location measurement acquisition optimization with Monte Carlo simulation |
| US8233911B2 (en) * | 2009-12-16 | 2012-07-31 | Nokia Corporation | Method and apparatus for estimating a position of a node in a communications network |
| US8442538B2 (en) | 2009-12-29 | 2013-05-14 | Trueposition, Inc. | Cooperating receiver selection for UMTS wireless location |
| US8290496B2 (en) | 2009-12-29 | 2012-10-16 | Trueposition, Inc. | Cooperating receiver selection for UMTS wireless location |
| US9331798B2 (en) * | 2010-01-08 | 2016-05-03 | Commscope Technologies Llc | System and method for mobile location by proximity detection |
| US8606571B1 (en) * | 2010-04-19 | 2013-12-10 | Audience, Inc. | Spatial selectivity noise reduction tradeoff for multi-microphone systems |
| US8473287B2 (en) | 2010-04-19 | 2013-06-25 | Audience, Inc. | Method for jointly optimizing noise reduction and voice quality in a mono or multi-microphone system |
| US8538035B2 (en) | 2010-04-29 | 2013-09-17 | Audience, Inc. | Multi-microphone robust noise suppression |
| US8781137B1 (en) | 2010-04-27 | 2014-07-15 | Audience, Inc. | Wind noise detection and suppression |
| US8718673B2 (en) | 2010-05-21 | 2014-05-06 | Maple Acquisition Llc | System and method for location assurance of a mobile device |
| US8447596B2 (en) | 2010-07-12 | 2013-05-21 | Audience, Inc. | Monaural noise suppression based on computational auditory scene analysis |
| CN101915928B (zh) * | 2010-07-14 | 2013-10-30 | 中国电子科技集团公司第十研究所 | 双星时差/频差联合定位的方法及装置 |
| US8958754B2 (en) | 2010-09-29 | 2015-02-17 | Andrew, Llc | System and method for sub-coherent integration for geo-location using weak or intermittent signals |
| US9844079B1 (en) * | 2010-10-27 | 2017-12-12 | Keysight Technologies, Inc. | Method and system of triggering signal analysis combining time and frequency domain trigger criteria |
| US8489122B2 (en) | 2010-12-09 | 2013-07-16 | Andrew Llc | System and method for total flight time ratio pattern matching |
| WO2012082151A2 (en) | 2010-12-13 | 2012-06-21 | Telecommunication Systems, Inc. | Location services gateway server |
| US8384595B2 (en) | 2010-12-16 | 2013-02-26 | Trueposition, Inc. | Position estimation through iterative inclusion of measurement data |
| US8526968B2 (en) | 2011-02-14 | 2013-09-03 | Andrew Llc | System and method for mobile location by dynamic clustering |
| US9128173B1 (en) | 2011-05-25 | 2015-09-08 | Leidos, Inc. | Machine and process for self localization using doppler |
| CN102455423B (zh) * | 2011-05-31 | 2013-04-17 | 吉林大学 | 一种消除超声定位中声反射干扰的方法 |
| CN102208951B (zh) * | 2011-05-31 | 2013-07-03 | 吉林大学 | 一种消除超声定位中声辐射干扰的方法 |
| US9715001B2 (en) | 2011-06-13 | 2017-07-25 | Commscope Technologies Llc | Mobile location in a remote radio head environment |
| US9176217B2 (en) | 2011-08-02 | 2015-11-03 | Nextnav, Llc | Cell organization and transmission schemes in a wide area positioning system (WAPS) |
| US8929854B2 (en) | 2011-10-27 | 2015-01-06 | Telecommunication Systems, Inc. | Emergency text messaging |
| CN102508200B (zh) * | 2011-11-16 | 2013-09-18 | 东南大学 | 复数扩频信号的到达时间差测量方法 |
| US8922430B2 (en) | 2011-12-22 | 2014-12-30 | Trueposition, Inc. | Optimization of variable coherence integration for the location of weak signals |
| US9423508B2 (en) | 2012-01-12 | 2016-08-23 | Commscope Technologies Llc | Autonomous Transmit Chain Delay Measurements |
| US8897813B2 (en) | 2012-02-03 | 2014-11-25 | Andrew Llc | LTE user equipment positioning system and method |
| EP3139193A1 (en) | 2012-06-05 | 2017-03-08 | NextNav, LLC | Systems and methods for location positioning of user device |
| US9390279B2 (en) | 2012-09-11 | 2016-07-12 | Nextnav, Llc | Systems and methods for providing conditional access to transmitted information |
| US9286490B2 (en) | 2013-09-10 | 2016-03-15 | Nextnav, Llc | Systems and methods for providing conditional access to transmitted information |
| CN102914764A (zh) * | 2012-11-24 | 2013-02-06 | 中国人民解放军总参谋部第五十七研究所 | 一种抗接收机采样同步误差的时差定位方法 |
| WO2014120012A1 (en) * | 2013-01-31 | 2014-08-07 | Nederlandse Organisatie Voor Toegepast-Natuurwetenschappelijk Onderzoek Tno | Determining a position of a mobile communication device |
| US9526074B2 (en) | 2013-03-15 | 2016-12-20 | Google Technology Holdings LLC | Methods and apparatus for determining a transmit antenna gain and a spatial mode of a device |
| CN103259638B (zh) * | 2013-04-19 | 2016-03-30 | 电子科技大学 | 一种异地本振一致性误差下的基带时差估计方法 |
| US20180317019A1 (en) | 2013-05-23 | 2018-11-01 | Knowles Electronics, Llc | Acoustic activity detecting microphone |
| US9191916B1 (en) * | 2013-09-30 | 2015-11-17 | Sprint Spectrum L.P. | Method and system for skewing location determinations |
| US9408047B2 (en) | 2013-10-10 | 2016-08-02 | Telecommunication Systems, Inc. | Read acknowledgement interoperability for text messaging and IP messaging |
| KR101490181B1 (ko) * | 2013-11-11 | 2015-02-05 | 국방과학연구소 | Fdoa를 위한 도플러 주파수 차이 추정장치 및 방법 |
| US9625566B2 (en) | 2014-05-21 | 2017-04-18 | Raytheon Company | Direct geolocation from TDOA, FDOA and AGL |
| KR101515512B1 (ko) * | 2014-07-29 | 2015-04-28 | 엘아이지넥스원 주식회사 | 도달 시간 차이 기반의 위치 추정 방법 |
| KR101515513B1 (ko) * | 2014-07-29 | 2015-04-28 | 엘아이지넥스원 주식회사 | 도달 시간 차이 기반의 위치 추정 장치 |
| US10802108B2 (en) | 2014-07-31 | 2020-10-13 | Symbol Technologies, Llc | Two pass detection technique for non-echo pulsed ranging |
| KR101644560B1 (ko) | 2014-09-02 | 2016-08-01 | 국방과학연구소 | 통신 신호에 대한 tdoa/fdoa 정보 추정 장치 및 방법 |
| CN107112012B (zh) | 2015-01-07 | 2020-11-20 | 美商楼氏电子有限公司 | 用于音频处理的方法和系统及计算机可读存储介质 |
| JP6592912B2 (ja) * | 2015-02-13 | 2019-10-23 | 株式会社国際電気通信基礎技術研究所 | 通信システム、受信装置、サーバ、信号処理方法、波源位置算出方法、及びプログラム |
| CN104640206B (zh) * | 2015-02-15 | 2018-01-19 | 中国民航大学 | 一种偏心式星形布站体制的多点定位方法 |
| US11079481B2 (en) * | 2015-04-02 | 2021-08-03 | Samsung Electronics Co., Ltd. | Apparatus and method for measuring distance and location |
| US9872141B2 (en) | 2015-05-14 | 2018-01-16 | Verint Systems Ltd. | System and method for accurate location of wireless terminals using mobile interrogation device |
| US9832007B2 (en) * | 2016-04-14 | 2017-11-28 | Ibiquity Digital Corporation | Time-alignment measurement for hybrid HD radio™ technology |
| US10666416B2 (en) | 2016-04-14 | 2020-05-26 | Ibiquity Digital Corporation | Time-alignment measurement for hybrid HD radio technology |
| JP6569612B2 (ja) * | 2016-07-08 | 2019-09-04 | 三菱電機株式会社 | 電波源の位置推定装置 |
| CN106405496A (zh) * | 2016-08-31 | 2017-02-15 | 北斗时空信息技术(北京)有限公司 | 一种基于tdoa的室内定位方法 |
| CN107843910B (zh) * | 2016-09-21 | 2021-03-16 | 上海创远仪器技术股份有限公司 | 一种适于复杂环境下的虚拟多站tdoa定位方法与装置 |
| IL248058B (en) | 2016-09-26 | 2021-04-29 | Verint Systems Ltd | System and method for obtaining an ID of a mobile communication terminal at a checkpoint |
| KR101876645B1 (ko) * | 2016-12-05 | 2018-07-09 | 연세대학교 산학협력단 | 시간차이에 기초하여 도착각도를 산출하는 시스템 및 방법 |
| US10382094B2 (en) * | 2017-11-28 | 2019-08-13 | International Business Machines Corporation | Cable tracking by electromagnetic emission |
| WO2019167268A1 (ja) * | 2018-03-02 | 2019-09-06 | 三菱電機株式会社 | 目標監視装置および目標監視システム |
| EP3775994B1 (en) * | 2018-03-29 | 2023-08-23 | Salunda Limited | Personnel safety sensing system |
| US20250180691A1 (en) * | 2018-03-29 | 2025-06-05 | Salunda Limited | Personnel Safety Sensing System |
| EP3844531B8 (en) | 2018-08-28 | 2026-03-04 | Salunda Limited | Personnel safety sensing |
| EP3874292A4 (en) * | 2018-11-01 | 2022-08-17 | Hoopo Systems Ltd. | METHOD AND SYSTEM FOR RADIOLOCATION IN REDUCED DATA TRANSMISSION |
| US11877207B2 (en) | 2019-07-28 | 2024-01-16 | Polaris Wireless, Inc. | Estimating the location of a reference radio and using the estimated location of the reference radio to estimate the location of a wireless terminal |
| CN110533233B (zh) * | 2019-08-20 | 2020-07-31 | 河海大学 | 基于适应度优化的无线微波测雨链路规划方法 |
| US11082854B2 (en) * | 2019-09-27 | 2021-08-03 | Apple Inc. | Signal validation for secure ranging |
| CN112969231B (zh) | 2019-12-12 | 2025-05-30 | 中磊电子(苏州)有限公司 | 超宽带定位系统、基站、标签及其操作方法 |
| FR3105835B1 (fr) * | 2019-12-26 | 2021-11-26 | Zodiac Data Systems | Localisation d'un émetteur au moyen de plusieurs stations de réception géographiquement distantes en utilisant les trajectoires d'objet connus |
| CN112255589B (zh) | 2020-09-18 | 2024-01-26 | 中磊电子(苏州)有限公司 | 定位标签操作方法与定位系统操作方法 |
| CN112688716B (zh) * | 2020-11-06 | 2021-12-24 | 西安电子科技大学 | 一种时频混叠信号时频差估计方法 |
| CN112904274A (zh) * | 2021-01-21 | 2021-06-04 | 中国人民解放军海军工程大学 | 一种改进tdoa/fdoa算法的多运动目标定位方法 |
| US20240175975A1 (en) * | 2022-11-28 | 2024-05-30 | Crystal Instruments Corporation | Outdoor sound source identification |
| CN120390887A (zh) * | 2023-01-10 | 2025-07-29 | 高通股份有限公司 | 基于差分多普勒的rf感测 |
| CN118112498B (zh) * | 2024-03-05 | 2024-10-01 | 电子科技大学 | 一种基于数据分段的时差快速估计方法 |
| CN118611800B (zh) * | 2024-06-25 | 2025-09-12 | 西安电子科技大学 | 混叠信号的索引模糊度的消除方法 |
| CN119245642B (zh) * | 2024-08-23 | 2025-12-12 | 西安空间无线电技术研究所 | 一种联合站内/间量测的三站混合目标定位方法 |
Family Cites Families (32)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4888593A (en) | 1987-12-15 | 1989-12-19 | Signal Science, Inc. | Time difference of arrival geolocation method, etc. |
| US5265121A (en) | 1989-10-17 | 1993-11-23 | Juanita H. Stewart | Spread spectrum coherent processor |
| JPH0797131B2 (ja) * | 1990-04-12 | 1995-10-18 | パイオニア株式会社 | Gps受信機の衛星電波捕捉方法 |
| US5208756A (en) | 1991-01-28 | 1993-05-04 | Song Han L | Vehicle locating and navigating system |
| US5327144A (en) * | 1993-05-07 | 1994-07-05 | Associated Rt, Inc. | Cellular telephone location system |
| US5570099A (en) * | 1993-10-15 | 1996-10-29 | Loral Federal Systems Company | TDOA/FDOA technique for locating a transmitter |
| US5621416A (en) * | 1995-02-02 | 1997-04-15 | Trimble Navigation Limited | Optimized processing of signals for enhanced cross-correlation in a satellite positioning system receiver |
| US5874916A (en) | 1996-01-25 | 1999-02-23 | Lockheed Martin Corporation | Frequency selective TDOA/FDOA cross-correlation |
| US6047192A (en) * | 1996-05-13 | 2000-04-04 | Ksi Inc. | Robust, efficient, localization system |
| US6108555A (en) | 1996-05-17 | 2000-08-22 | Ksi, Inc. | Enchanced time difference localization system |
| US5859612A (en) | 1996-06-06 | 1999-01-12 | Qualcomm Incorporated | Method for using an antenna with a rotating beam for determining the position of a mobile subscriber in a CDMA cellular telephone system |
| US6034635A (en) | 1996-06-06 | 2000-03-07 | Gilhousen; Klein S. | Method for using only two base stations for determining the position of a mobile subscriber in a CDMA cellular telephone system |
| US6160758A (en) | 1996-06-28 | 2000-12-12 | Scientific Innovations, Inc. | Utilization of auto and cross-correlation functions in methods for locating a source of a primary signal and for localizing signals |
| US5945948A (en) * | 1996-09-03 | 1999-08-31 | Motorola, Inc. | Method and apparatus for location finding in a communication system |
| GB2354387B (en) | 1996-09-09 | 2001-05-09 | Dennis J Dupray | Wireless location using multiple simultaneous location estimators |
| US6249252B1 (en) | 1996-09-09 | 2001-06-19 | Tracbeam Llc | Wireless location using multiple location estimators |
| US6236365B1 (en) | 1996-09-09 | 2001-05-22 | Tracbeam, Llc | Location of a mobile station using a plurality of commercial wireless infrastructures |
| US5890068A (en) * | 1996-10-03 | 1999-03-30 | Cell-Loc Inc. | Wireless location system |
| US6026304A (en) * | 1997-01-08 | 2000-02-15 | U.S. Wireless Corporation | Radio transmitter location finding for wireless communication network services and management |
| US5936571A (en) | 1997-01-31 | 1999-08-10 | Lockheed Martin Corporation | Integrated GPS/interference location system |
| US6021330A (en) * | 1997-07-22 | 2000-02-01 | Lucent Technologies Inc. | Mobile location estimation in a wireless system using designated time intervals of suspended communication |
| US6243587B1 (en) | 1997-12-10 | 2001-06-05 | Ericsson Inc. | Method and system for determining position of a mobile transmitter |
| US6522887B2 (en) * | 1998-07-27 | 2003-02-18 | Telefonaktiebolaget Lm Ericsson (Publ) | Identifying starting time for making time of arrival measurements |
| US6330452B1 (en) * | 1998-08-06 | 2001-12-11 | Cell-Loc Inc. | Network-based wireless location system to position AMPs (FDMA) cellular telephones, part I |
| BR9912770B1 (pt) * | 1998-08-07 | 2014-06-17 | Ericsson Telefon Ab L M | Proceso para usar uma estação de comunicação móvel em uma rede de comunicação sem fio para medir respectivos tempos de chegada de sinais de rádio respectivamente transmitidos por uma pluralidade de trasmissores de rádio vizinhos na rede, e, aparelho em uma estação de comunicação móvel para uso na localização da posição da estação de comunicação móvel em uma rede de comunicação sem fio |
| US6246884B1 (en) | 1998-08-19 | 2001-06-12 | Sigmaone Communications Corporation | System and method for measuring and locating a mobile station signal in a wireless communication system |
| GB2362072B (en) * | 1999-01-08 | 2003-03-12 | Trueposition Inc | Bandwidth synthesis for wireless location system |
| IL144132A0 (en) * | 1999-01-08 | 2002-05-23 | Trueposition Inc | Method for improving the wireless location system |
| US6184829B1 (en) * | 1999-01-08 | 2001-02-06 | Trueposition, Inc. | Calibration for wireless location system |
| MXPA02000661A (es) * | 1999-07-20 | 2002-08-30 | Qualcomm Inc | Metodo para determinar un cambio en una senal de comunicacion y mejorar la recepcion y procesamiento de la senal sps utilizando esta informacion. |
| DE69936990T2 (de) * | 1999-10-06 | 2008-01-10 | Matsushita Electric Industrial Co., Ltd., Kadoma | Ortungssystem für ein Mobiltelefonnetz |
| US6366240B1 (en) * | 2000-06-14 | 2002-04-02 | L-3 Communications Corporation | Location of aircraft with time difference of arrival |
-
2001
- 2001-07-18 US US09/908,998 patent/US6876859B2/en not_active Expired - Lifetime
-
2002
- 2002-01-10 MX MXPA04000461A patent/MXPA04000461A/es active IP Right Grant
- 2002-01-10 GB GB0403381A patent/GB2395080B/en not_active Expired - Fee Related
- 2002-01-10 WO PCT/US2002/000754 patent/WO2003009613A1/en not_active Ceased
- 2002-01-10 CA CA2454161A patent/CA2454161C/en not_active Expired - Lifetime
- 2002-01-10 BR BR0210360-5A patent/BR0210360A/pt not_active IP Right Cessation
- 2002-01-10 AT AT02714730T patent/ATE546975T1/de active
- 2002-01-10 EP EP02714730A patent/EP1417847B1/en not_active Expired - Lifetime
- 2002-01-10 IL IL15941302A patent/IL159413A0/xx unknown
- 2002-01-10 JP JP2003514822A patent/JP2004536533A/ja active Pending
- 2002-01-10 KR KR1020047000688A patent/KR100881946B1/ko not_active Expired - Lifetime
- 2002-01-10 CN CNB028142489A patent/CN100397911C/zh not_active Expired - Fee Related
- 2002-01-10 ES ES02714730T patent/ES2386669T3/es not_active Expired - Lifetime
-
2003
- 2003-12-17 IL IL159413A patent/IL159413A/en unknown
-
2009
- 2009-03-06 JP JP2009052961A patent/JP2009162771A/ja not_active Ceased
-
2012
- 2012-09-28 JP JP2012216896A patent/JP2013057668A/ja active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006226973A (ja) * | 2005-02-21 | 2006-08-31 | Electronic Navigation Research Institute | 移動体の測位方法及びその測位装置 |
| JP2006349470A (ja) * | 2005-06-15 | 2006-12-28 | Toshiba Corp | アップリンク干渉源位置特定装置及びその方法 |
| JP2011508873A (ja) * | 2007-12-10 | 2011-03-17 | トゥルーポジション・インコーポレーテッド | ワイヤレス位置検出システムにおけるcmda信号の到達時間検出 |
| JP2011525326A (ja) * | 2008-06-13 | 2011-09-15 | クゥアルコム・インコーポレイテッド | 無線網で性能測定値を生成する装置および方法 |
| KR101047927B1 (ko) | 2009-09-23 | 2011-07-08 | (주)에이알테크놀로지 | 도착 시간 차이 및 도착 주파수 차이를 추정하는 방법 및 장치 |
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| US6876859B2 (en) | 2005-04-05 |
| US20030017832A1 (en) | 2003-01-23 |
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| CN1537395A (zh) | 2004-10-13 |
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| CA2454161A1 (en) | 2003-01-30 |
| BR0210360A (pt) | 2004-06-08 |
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| JP2009162771A (ja) | 2009-07-23 |
| KR20040017001A (ko) | 2004-02-25 |
| GB2395080B (en) | 2005-03-23 |
| GB0403381D0 (en) | 2004-03-17 |
| CN100397911C (zh) | 2008-06-25 |
| KR100881946B1 (ko) | 2009-02-06 |
| CA2454161C (en) | 2011-03-15 |
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