KR100489746B1 - 단일 저궤도 위성을 사용한 위치결정 - Google Patents
단일 저궤도 위성을 사용한 위치결정 Download PDFInfo
- Publication number
- KR100489746B1 KR100489746B1 KR10-1999-7003106A KR19997003106A KR100489746B1 KR 100489746 B1 KR100489746 B1 KR 100489746B1 KR 19997003106 A KR19997003106 A KR 19997003106A KR 100489746 B1 KR100489746 B1 KR 100489746B1
- Authority
- KR
- South Korea
- Prior art keywords
- satellite
- user terminal
- signal
- gateway
- frequency
- 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
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/14—Relay systems
- H04B7/15—Active relay systems
- H04B7/185—Space-based or airborne stations; Stations for satellite systems
- H04B7/1853—Satellite systems for providing telephony service to a mobile station, i.e. mobile satellite service
- H04B7/18545—Arrangements for managing station mobility, i.e. for station registration or localisation
- H04B7/18547—Arrangements for managing station mobility, i.e. for station registration or localisation for geolocalisation of a station
- H04B7/18554—Arrangements for managing station mobility, i.e. for station registration or localisation for geolocalisation of a station using the position provided by an existing geolocalisation system
-
- 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
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/74—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous 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
- 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
- G01S5/0009—Transmission of position information to remote stations
- G01S5/0018—Transmission from mobile station to base station
- G01S5/0036—Transmission from mobile station to base station of measured values, i.e. measurement on mobile and position calculation on base station
-
- 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
- G01S5/12—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 by co-ordinating position lines of different shape, e.g. hyperbolic, circular, elliptical or radial
-
- 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
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/02—Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
- G01S13/06—Systems determining position data of a target
- G01S13/08—Systems for measuring distance only
-
- 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
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/02—Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
- G01S13/06—Systems determining position data of a target
- G01S13/46—Indirect determination of position data
- G01S2013/466—Indirect determination of position data by Trilateration, i.e. two antennas or two sensors determine separately the distance to a target, whereby with the knowledge of the baseline length, i.e. the distance between the antennas or sensors, the position data of the target is determined
Landscapes
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Aviation & Aerospace Engineering (AREA)
- Astronomy & Astrophysics (AREA)
- Signal Processing (AREA)
- Radio Relay Systems (AREA)
- Mobile Radio Communication Systems (AREA)
- Position Fixing By Use Of Radio Waves (AREA)
- Radar Systems Or Details Thereof (AREA)
- Navigation (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US08/723,751 US6107959A (en) | 1996-09-30 | 1996-09-30 | Positioning determination using one low-Earth orbit satellite |
| US723,751 | 1996-09-30 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR20000049038A KR20000049038A (ko) | 2000-07-25 |
| KR100489746B1 true KR100489746B1 (ko) | 2005-05-16 |
Family
ID=24907516
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR10-1999-7003106A Expired - Fee Related KR100489746B1 (ko) | 1996-09-30 | 1997-09-26 | 단일 저궤도 위성을 사용한 위치결정 |
Country Status (12)
| Country | Link |
|---|---|
| US (1) | US6107959A (enExample) |
| EP (1) | EP0941486B1 (enExample) |
| JP (4) | JP3905134B2 (enExample) |
| KR (1) | KR100489746B1 (enExample) |
| AT (1) | ATE231621T1 (enExample) |
| AU (1) | AU719703B2 (enExample) |
| CA (1) | CA2267561C (enExample) |
| DE (1) | DE69718665T2 (enExample) |
| RU (1) | RU2241239C2 (enExample) |
| TW (1) | TW363134B (enExample) |
| WO (1) | WO1998014795A1 (enExample) |
| ZA (1) | ZA978511B (enExample) |
Families Citing this family (94)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8352400B2 (en) | 1991-12-23 | 2013-01-08 | Hoffberg Steven M | Adaptive pattern recognition based controller apparatus and method and human-factored interface therefore |
| US10361802B1 (en) | 1999-02-01 | 2019-07-23 | Blanding Hovenweep, Llc | Adaptive pattern recognition based control system and method |
| US6678311B2 (en) | 1996-05-28 | 2004-01-13 | Qualcomm Incorporated | High data CDMA wireless communication system using variable sized channel codes |
| US6327534B1 (en) * | 1996-09-30 | 2001-12-04 | Qualcomm Incorporated | Unambiguous position determination using two low-earth orbit satellites |
| US6215442B1 (en) * | 1997-02-03 | 2001-04-10 | Snaptrack, Inc. | Method and apparatus for determining time in a satellite positioning system |
| US7548787B2 (en) | 2005-08-03 | 2009-06-16 | Kamilo Feher | Medical diagnostic and communication system |
| US8050345B1 (en) | 1999-08-09 | 2011-11-01 | Kamilo Feher | QAM and GMSK systems |
| US6298238B1 (en) * | 1998-09-09 | 2001-10-02 | Qualcomm Incorporated | Fast user terminal position determination in a satellite communications system |
| JP3031350B2 (ja) * | 1998-09-14 | 2000-04-10 | 日本電気株式会社 | スペクトラム拡散復調装置および方法 |
| AU2051300A (en) * | 1999-01-08 | 2000-07-24 | Trueposition, Inc. | Architecture for a signal collection system of a wireless location system |
| US7783299B2 (en) | 1999-01-08 | 2010-08-24 | Trueposition, Inc. | Advanced triggers for location-based service applications in a wireless location system |
| US7904187B2 (en) | 1999-02-01 | 2011-03-08 | Hoffberg Steven M | Internet appliance system and method |
| US6366762B1 (en) | 1999-03-31 | 2002-04-02 | Qualcomm, Inc. | System and method for measuring round trip delay on the paging and access channels |
| FR2794245B1 (fr) * | 1999-05-26 | 2003-06-20 | Univ Lille Sciences Tech | Procede et systeme de mesure de la distance entre deux objets mettant en oeuvre des sequences pseudo-aleatoires orthogonales |
| US9373251B2 (en) | 1999-08-09 | 2016-06-21 | Kamilo Feher | Base station devices and automobile wireless communication systems |
| US9307407B1 (en) | 1999-08-09 | 2016-04-05 | Kamilo Feher | DNA and fingerprint authentication of mobile devices |
| 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 |
| US6288674B1 (en) * | 1999-12-21 | 2001-09-11 | Texas Instruments Incorporated | Wireless communication system utilizing doppler diversity |
| JP3549100B2 (ja) * | 2000-05-25 | 2004-08-04 | インターナショナル・ビジネス・マシーンズ・コーポレーション | 情報伝送方法、情報伝送システム、情報端末および情報記録媒体 |
| US6559800B2 (en) * | 2001-02-02 | 2003-05-06 | Rosum Corporation | Position location using broadcast analog television signals |
| US6963306B2 (en) * | 2001-02-02 | 2005-11-08 | Rosum Corp. | Position location and data transmission using pseudo digital television transmitters |
| US6859173B2 (en) * | 2001-06-21 | 2005-02-22 | The Rosum Corporation | Position location using broadcast television signals and mobile telephone signals |
| US7471244B2 (en) * | 2001-02-02 | 2008-12-30 | Rosum Corporation | Monitor units for television signals |
| US8102317B2 (en) * | 2001-02-02 | 2012-01-24 | Trueposition, Inc. | Location identification using broadcast wireless signal signatures |
| US8754807B2 (en) | 2001-02-02 | 2014-06-17 | Trueposition, Inc. | Time, frequency, and location determination for femtocells |
| US6970132B2 (en) * | 2001-02-02 | 2005-11-29 | Rosum Corporation | Targeted data transmission and location services using digital television signaling |
| US6717547B2 (en) | 2001-06-21 | 2004-04-06 | Rosum Corporation | Position location using broadcast television signals and mobile telephone signals |
| US7042396B2 (en) * | 2001-08-17 | 2006-05-09 | Rosom Corporation | Position location using digital audio broadcast signals |
| US8233091B1 (en) | 2007-05-16 | 2012-07-31 | Trueposition, Inc. | Positioning and time transfer using television synchronization signals |
| US20020184653A1 (en) | 2001-02-02 | 2002-12-05 | Pierce Matthew D. | Services based on position location using broadcast digital television signals |
| US20050066373A1 (en) * | 2001-02-02 | 2005-03-24 | Matthew Rabinowitz | Position location using broadcast digital television signals |
| US8677440B2 (en) | 2001-02-02 | 2014-03-18 | Trueposition, Inc. | Position determination using ATSC-M/H signals |
| US6952182B2 (en) * | 2001-08-17 | 2005-10-04 | The Rosom Corporation | Position location using integrated services digital broadcasting—terrestrial (ISDB-T) broadcast television signals |
| US6753812B2 (en) | 2001-02-02 | 2004-06-22 | Rosum Corporation | Time-gated delay lock loop tracking of digital television signals |
| US20050251844A1 (en) * | 2001-02-02 | 2005-11-10 | Massimiliano Martone | Blind correlation for high precision ranging of coded OFDM signals |
| US7463195B2 (en) * | 2001-06-21 | 2008-12-09 | Rosum Corporation | Position location using global positioning signals augmented by broadcast television signals |
| US6522297B1 (en) | 2001-02-02 | 2003-02-18 | Rosum Corporation | Position location using ghost canceling reference television signals |
| US6861984B2 (en) | 2001-02-02 | 2005-03-01 | Rosum Corporation | Position location using broadcast digital television signals |
| US7126536B2 (en) * | 2001-02-02 | 2006-10-24 | Rosum Corporation | Position location using terrestrial digital video broadcast television signals |
| US8106828B1 (en) | 2005-11-22 | 2012-01-31 | Trueposition, Inc. | Location identification using broadcast wireless signal signatures |
| US6839024B2 (en) | 2001-06-21 | 2005-01-04 | Rosum Corporation | Position determination using portable pseudo-television broadcast transmitters |
| US6914560B2 (en) * | 2001-08-17 | 2005-07-05 | The Rosum Corporation | Position location using broadcast digital television signals comprising pseudonoise sequences |
| DE10308913A1 (de) * | 2003-02-28 | 2004-09-30 | Ais Advanced Infodata Systems Gmbh | Flugsicherungssystem und hierzu verwendete Repräsentation der Erdoberfläche |
| EP1706756A2 (en) * | 2004-01-15 | 2006-10-04 | The Boeing Company | Methods and systems for enhanced navigational performance |
| EP1681773A1 (en) * | 2005-01-13 | 2006-07-19 | Centre National D'etudes Spatiales | Spread spectrum signal |
| US7720598B2 (en) | 2005-03-31 | 2010-05-18 | Deere & Company | System and method for determining a position of a vehicle with compensation for noise or measurement error |
| US7593811B2 (en) * | 2005-03-31 | 2009-09-22 | Deere & Company | Method and system for following a lead vehicle |
| US7653483B2 (en) | 2005-03-31 | 2010-01-26 | Deere & Company | System and method for determining a position of a vehicle |
| US7647177B2 (en) * | 2005-03-31 | 2010-01-12 | Deere & Company | System and method for determining a position of a vehicle |
| US7479922B2 (en) * | 2005-03-31 | 2009-01-20 | Deere & Company | Method and system for determining the location of a vehicle |
| US7522098B2 (en) * | 2005-06-01 | 2009-04-21 | Global Locate, Inc. | Method and apparatus for validating a position in a satellite positioning system using range-rate measurements |
| RU2307371C2 (ru) * | 2005-06-24 | 2007-09-27 | Государственное образовательное учреждение высшего профессионального образования Московский государственный университет путей сообщения (МИИТ) | Способ измерения координат и скоростей объектов с помощью одного искусственного спутника земли и локатора |
| RU2403680C2 (ru) * | 2005-08-03 | 2010-11-10 | Камило ФЕХЕР | Многоцелевой определитель местоположения, система передачи данных, медицинская система и система управления |
| US10009956B1 (en) | 2017-09-02 | 2018-06-26 | Kamilo Feher | OFDM, 3G and 4G cellular multimode systems and wireless mobile networks |
| US7280810B2 (en) | 2005-08-03 | 2007-10-09 | Kamilo Feher | Multimode communication system |
| US20070032245A1 (en) * | 2005-08-05 | 2007-02-08 | Alapuranen Pertti O | Intelligent transportation system and method |
| US8179318B1 (en) | 2005-09-28 | 2012-05-15 | Trueposition, Inc. | Precise position determination using VHF omni-directional radio range signals |
| US7498873B2 (en) | 2005-11-02 | 2009-03-03 | Rosom Corporation | Wide-lane pseudorange measurements using FM signals |
| US20070121555A1 (en) * | 2005-11-08 | 2007-05-31 | David Burgess | Positioning using is-95 cdma signals |
| US8149168B1 (en) | 2006-01-17 | 2012-04-03 | Trueposition, Inc. | Position determination using wireless local area network signals and television signals |
| RU2428714C2 (ru) * | 2006-05-18 | 2011-09-10 | Дзе Боинг Компани | Универсальная высокоэффективная навигационная система |
| US7466266B2 (en) * | 2006-06-22 | 2008-12-16 | Rosum Corporation | Psuedo television transmitters for position location |
| US7737893B1 (en) | 2006-06-28 | 2010-06-15 | Rosum Corporation | Positioning in a single-frequency network |
| US8682341B1 (en) | 2006-11-22 | 2014-03-25 | Trueposition, Inc. | Blind identification of single-frequency-network transmitters |
| US7463194B1 (en) * | 2007-05-16 | 2008-12-09 | Mitsubishi Electric Research Laboratories, Inc. | Method for reducing radio ranging errors due to clock frequency offsets |
| WO2009009463A1 (en) * | 2007-07-06 | 2009-01-15 | Rosum Corporation | Positioning with time sliced single frequency networks |
| US20090175379A1 (en) * | 2007-12-12 | 2009-07-09 | Rosum Corporation | Transmitter Identification For Wireless Signals Having A Digital Audio Broadcast Physical Layer |
| US7792156B1 (en) | 2008-01-10 | 2010-09-07 | Rosum Corporation | ATSC transmitter identifier signaling |
| RU2401437C2 (ru) * | 2008-09-16 | 2010-10-10 | Сорокин Виктор Леонидович | Способ определения расстояний между космическим аппаратом и станциями |
| US8125389B1 (en) | 2008-10-20 | 2012-02-28 | Trueposition, Inc. | Doppler-aided positioning, navigation, and timing using broadcast television signals |
| US8253627B1 (en) | 2009-02-13 | 2012-08-28 | David Burgess | Position determination with NRSC-5 digital radio signals |
| US8416129B2 (en) * | 2009-04-20 | 2013-04-09 | The Boeing Company | Positioning determinations of receivers |
| US8213957B2 (en) | 2009-04-22 | 2012-07-03 | Trueposition, Inc. | Network autonomous wireless location system |
| US9784848B2 (en) * | 2010-04-02 | 2017-10-10 | Skybitz, Inc. | System and method for position determination using low earth orbit satellites |
| RU2448326C2 (ru) * | 2010-06-10 | 2012-04-20 | Открытое акционерное общество "Государственный научно-исследовательский навигационно-гидрографический институт" (ОАО "ГНИНГИ") | Способ спутниковой коррекции автономных средств навигации подвижных объектов |
| US9365303B2 (en) | 2012-05-03 | 2016-06-14 | Raytheon Company | Position and elevation acquisition for orbit determination |
| US9019155B2 (en) | 2012-05-03 | 2015-04-28 | Raytheon Company | Global positioning system (GPS) and doppler augmentation (GDAUG) and space location inertial navigation geopositioning system (SPACELINGS) |
| US9075126B2 (en) * | 2012-06-28 | 2015-07-07 | Raytheon Company | Ground location inertial navigation geopositioning system (groundlings) |
| JP5729495B2 (ja) * | 2014-01-24 | 2015-06-03 | 日立化成株式会社 | 感光性樹脂組成物を用いた感光性エレメント、ソルダーレジスト及びプリント配線板 |
| US9791550B2 (en) | 2014-07-23 | 2017-10-17 | Honeywell International Inc. | Frequency-Modulated-Continuous-Wave (FMCW) radar with timing synchronization |
| US9864043B2 (en) * | 2014-07-23 | 2018-01-09 | Honeywell International Inc. | FMCW radar with phase encoded data channel |
| US10215850B2 (en) | 2014-08-06 | 2019-02-26 | Raytheon Company | Orbital determination (OD) of geosynchronous satellites |
| CN105467028A (zh) * | 2015-11-18 | 2016-04-06 | 北京万全德众医药生物技术有限公司 | 气相色谱法分离测定鲁拉西酮中间体光学异构体的方法 |
| US10955563B2 (en) * | 2016-05-20 | 2021-03-23 | Myriota Pty Ltd | Position estimation in a low earth orbit satellite communications system |
| RU2679890C1 (ru) * | 2017-10-06 | 2019-02-14 | федеральное государственное казенное военное образовательное учреждение высшего образования "Военная академия связи имени Маршала Советского Союза С.М. Буденного" Министерства обороны Российской Федерации | Способ определения местоположения абонентского терминала с помощью спутника-ретранслятора на низкой околоземной орбите |
| EP3782303A1 (en) * | 2018-04-16 | 2021-02-24 | Sony Corporation | Wireless communications apparatus and methods |
| US10931365B2 (en) * | 2018-05-11 | 2021-02-23 | Dish Network L.L.C. | Timing advance for satellite-based communications using a satellite with enhanced processing capabilities |
| US10624052B2 (en) * | 2018-05-11 | 2020-04-14 | Dish Network L.L.C. | Timing advance for satellite-based communications |
| US12352877B1 (en) * | 2021-07-08 | 2025-07-08 | Ast & Science, Llc | Dynamic triangulation of active user equipment location via satellite radio access technology (RAT) |
| US12395237B2 (en) | 2022-07-18 | 2025-08-19 | Qualcomm Incorporated | Assistance data for orienting a mobile device for satellite-based communications |
| US12493124B2 (en) | 2022-08-08 | 2025-12-09 | Qualcomm Incorporated | Satellite positioning for satellite-based communications |
| US12445192B2 (en) | 2022-08-19 | 2025-10-14 | Qualcomm Incorporated | Mobile device orientation guidance for satellite-based communications |
| CN119959873A (zh) * | 2023-11-07 | 2025-05-09 | 中兴通讯股份有限公司 | 终端定位方法、终端及计算机可读介质 |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5412388A (en) * | 1993-08-11 | 1995-05-02 | Motorola, Inc. | Position ambiguity resolution |
| US5500648A (en) * | 1993-08-11 | 1996-03-19 | Motorola, Inc. | Geolocation responsive radio telecommunication system and method therefor |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4839656A (en) * | 1984-08-16 | 1989-06-13 | Geostar Corporation | Position determination and message transfer system employing satellites and stored terrain map |
| WO1988001392A2 (en) * | 1986-08-20 | 1988-02-25 | The Mitre Corporation | Ranging and processing satellite system for mobile surveillance and data link |
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| RU2022294C1 (ru) * | 1992-04-27 | 1994-10-30 | Николай Егорович Армизонов | Способ определения курсового угла и координат местоположения объектов по радионавигационным сигналам космических аппаратов |
| CA2097974A1 (en) * | 1992-08-03 | 1994-02-04 | Kristine P. Maine | Remote position determination |
| US5548801A (en) * | 1993-02-10 | 1996-08-20 | Kokusai Denshin Denwa Kabushiki Kaisha | System for determining and registering location of mobile terminal for communication system with non-geosynchronous satellites |
| US5412389A (en) * | 1993-08-11 | 1995-05-02 | Motorola, Inc. | Multibeam position ambiguity resolution |
| US5552795A (en) * | 1994-05-03 | 1996-09-03 | Motorola, Inc. | Location determination method and system using multi-beam satellites |
| US5619525A (en) * | 1995-06-06 | 1997-04-08 | Globalstar L.P. | Closed loop power control for low earth orbit satellite communications system |
-
1996
- 1996-09-30 US US08/723,751 patent/US6107959A/en not_active Expired - Lifetime
-
1997
- 1997-09-22 ZA ZA9708511A patent/ZA978511B/xx unknown
- 1997-09-26 WO PCT/US1997/017330 patent/WO1998014795A1/en not_active Ceased
- 1997-09-26 AU AU45976/97A patent/AU719703B2/en not_active Ceased
- 1997-09-26 RU RU99108998/09A patent/RU2241239C2/ru not_active IP Right Cessation
- 1997-09-26 EP EP97944498A patent/EP0941486B1/en not_active Expired - Lifetime
- 1997-09-26 DE DE69718665T patent/DE69718665T2/de not_active Expired - Lifetime
- 1997-09-26 CA CA002267561A patent/CA2267561C/en not_active Expired - Fee Related
- 1997-09-26 KR KR10-1999-7003106A patent/KR100489746B1/ko not_active Expired - Fee Related
- 1997-09-26 AT AT97944498T patent/ATE231621T1/de not_active IP Right Cessation
- 1997-09-26 JP JP51668898A patent/JP3905134B2/ja not_active Expired - Fee Related
-
1998
- 1998-03-20 TW TW086114251A patent/TW363134B/zh active
-
2006
- 2006-10-17 JP JP2006282527A patent/JP4113231B2/ja not_active Expired - Fee Related
-
2008
- 2008-01-24 JP JP2008014099A patent/JP2008175822A/ja not_active Ceased
-
2009
- 2009-07-08 JP JP2009161400A patent/JP2009244274A/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5412388A (en) * | 1993-08-11 | 1995-05-02 | Motorola, Inc. | Position ambiguity resolution |
| US5500648A (en) * | 1993-08-11 | 1996-03-19 | Motorola, Inc. | Geolocation responsive radio telecommunication system and method therefor |
Also Published As
| Publication number | Publication date |
|---|---|
| WO1998014795A1 (en) | 1998-04-09 |
| AU719703B2 (en) | 2000-05-18 |
| CA2267561C (en) | 2004-10-19 |
| EP0941486A1 (en) | 1999-09-15 |
| DE69718665T2 (de) | 2003-11-27 |
| ATE231621T1 (de) | 2003-02-15 |
| RU2241239C2 (ru) | 2004-11-27 |
| JP4113231B2 (ja) | 2008-07-09 |
| HK1022742A1 (en) | 2000-08-18 |
| KR20000049038A (ko) | 2000-07-25 |
| JP2007108182A (ja) | 2007-04-26 |
| AU4597697A (en) | 1998-04-24 |
| JP3905134B2 (ja) | 2007-04-18 |
| JP2008175822A (ja) | 2008-07-31 |
| TW363134B (en) | 1999-07-01 |
| CA2267561A1 (en) | 1998-04-09 |
| US6107959A (en) | 2000-08-22 |
| JP2001501312A (ja) | 2001-01-30 |
| DE69718665D1 (de) | 2003-02-27 |
| JP2009244274A (ja) | 2009-10-22 |
| ZA978511B (en) | 1998-06-10 |
| EP0941486B1 (en) | 2003-01-22 |
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