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RU97101879A - METHOD AND DEVICE FOR DETERMINING LOCATION IN A RADIO COMMUNICATION SYSTEM WITH MULTI-RANGE ACCESS WITH CODE DIVISION OF CHANNELS - Google Patents

METHOD AND DEVICE FOR DETERMINING LOCATION IN A RADIO COMMUNICATION SYSTEM WITH MULTI-RANGE ACCESS WITH CODE DIVISION OF CHANNELS

Info

Publication number
RU97101879A
RU97101879A RU97101879/09A RU97101879A RU97101879A RU 97101879 A RU97101879 A RU 97101879A RU 97101879/09 A RU97101879/09 A RU 97101879/09A RU 97101879 A RU97101879 A RU 97101879A RU 97101879 A RU97101879 A RU 97101879A
Authority
RU
Russia
Prior art keywords
signal
base station
location
determining
base stations
Prior art date
Application number
RU97101879/09A
Other languages
Russian (ru)
Other versions
RU2127963C1 (en
Inventor
Гош Амитава
Дуглас Рид Джон
Джозеф Розански Уолтер (младший)
Эндрю Бафорд Кевин
Original Assignee
Моторола Инк.
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from US08/436,760 external-priority patent/US5508708A/en
Application filed by Моторола Инк. filed Critical Моторола Инк.
Publication of RU97101879A publication Critical patent/RU97101879A/en
Application granted granted Critical
Publication of RU2127963C1 publication Critical patent/RU2127963C1/en

Links

Claims (10)

1. Способ определения местонахождения абонентского устройства в системе радиосвязи, содержащий следующие операции:
посылают первый сигнал, включающий запрос местонахождения, от первой базовой станции на абонентское устройство;
принимают второй сигнал, включающий ответное сообщение от абонентского устройства, причем ответное сообщение содержит время приема первого сигнала и время передачи второго сигнала;
принимают заранее определенный символ, связанный со вторым сигналом, в данной первой базовой станции и некоторой второй базовой станции и определяют первое и второе время приема заранее определенного символа соответственно в первой и второй базовых станциях; и
определяют местонахождение абонентского устройства на основании времени приема первого сигнала абонентским устройством, времени передачи второго сигнала абонентским устройством, первого и второго времени приема заранее определенного символа и заранее определенной информации о первой и второй базовых станциях.1. A method for determining the location of a subscriber device in a radio communication system, comprising the following operations:
sending a first signal including a location request from the first base station to the subscriber unit;
receiving a second signal including a response message from the subscriber unit, the response message comprising a reception time of a first signal and a transmission time of a second signal;
receiving a predetermined symbol associated with the second signal at the first base station and some second base station, and determining a first and second reception time of the predetermined symbol at the first and second base stations, respectively; and
determine the location of the subscriber device based on the time of reception of the first signal by the subscriber device, the time of transmission of the second signal by the subscriber device, the first and second time of reception of a predetermined symbol and predetermined information about the first and second base stations. 2. Способ по п. 1, отличающийся тем, что указанная заранее определенная информация включает информацию о местонахождении и задержке при обработке. 2. The method according to p. 1, characterized in that said predetermined information includes information about the location and the delay in processing. 3. Система радиосвязи для определения местонахождения средства связи, содержащая
(а) первую базовую станцию, содержащую
(i) передатчик первой базовой станции для передачи первого сигнала с расширенным спектром, включающего запрос местонахождения, на средство связи;
(ii) приемник первой базовой станции для приема второго сигнала с расширенным спектром, включающего ответное сообщение, от средства связи, причем ответное сообщение включает время приема первого сигнала и время передачи этого сигнала, при этом приемник первой базовой станции дополнительно содержит детектор первой базовой станции для приема заранее определенного символа второго сигнала от средства связи и определения времени приема заранее определенного символа;
(b) вторую базовую станцию, содержащую второй приемник для приема заранее определенного символа второго сигнала и определения второго времени приема данного заранее определенного символа; и
(с) контроллер, связанный с первой и второй базовыми станциями, содержащий средство для определения местонахождения средства связи на основании времени приема первого сигнала, времени передачи первого сигнала, первого и второго времени приема заранее определенного символа и заранее определенной информации о первой и второй базовых станциях.3. A radio communication system for determining the location of a communication medium, comprising
(a) a first base station containing
(i) a transmitter of a first base station for transmitting a first spread spectrum signal including a location request to a communication medium;
(ii) a receiver of a first base station for receiving a second spread spectrum signal including a response message from a communication means, the response message including a reception time of a first signal and a transmission time of this signal, the receiver of a first base station further comprising a detector of a first base station for receiving a predetermined symbol of the second signal from the communication medium and determining a reception time of the predetermined symbol;
(b) a second base station comprising a second receiver for receiving a predetermined symbol of the second signal and determining a second reception time of the predetermined symbol; and
(c) a controller associated with the first and second base stations, comprising means for determining the location of the communication means based on the reception time of the first signal, the transmission time of the first signal, the first and second reception time of a predetermined symbol and predetermined information about the first and second base stations . 4. Способ определения местонахождения абонентского устройства в системе связи, содержащий следующие операции:
(а) принимают сигнал от абонентского устройства в первой базовой станции и во второй базовой станции, причем данный сигнал формируют посредством модуляции последовательностью символов расширения спектра;
(b) определяют первое время приема некоторого символа данной последовательности символов расширения спектра в первой базовой станции;
(с) определяют второе время приема данного символа во второй базовой станции; и
(d) определяют местонахождение абонентского устройства на основании первого и второго времени приема, а также заранее определенной информации с первой и второй базовых станциях.4. A method for determining the location of a subscriber device in a communication system, comprising the following operations:
(a) receiving a signal from a subscriber unit in a first base station and in a second base station, the signal being generated by modulation with a sequence of spread spectrum symbols;
(b) determining a first reception time of a symbol of a given sequence of spreading symbols in a first base station;
(c) determining a second reception time of a given symbol in a second base station; and
(d) determining the location of the subscriber unit based on the first and second reception times, as well as predetermined information from the first and second base stations. 5. Система связи, имеющая множество базовых станций и предназначенная для определения местонахождения средства связи, содержащая контроллер, связанный с первой и второй базовыми станциями, каждая из которых содержит приемник для приема сигнала от одного средства связи, формируемого посредством модуляции последовательностью символов расширения спектра, и детектор для определения времени приема некоторого символа указанной последовательности; и процессор определения местонахождения, связанный с контроллером, для запроса первой и второй базовых станций об определении первого и второго времени приема конкретного символа данной последовательности и для определения местонахождения средства связи на основании первого и второго времени приема и дополнительной информации о первой и второй базовых станциях. 5. A communication system having a plurality of base stations and designed to determine the location of a communication medium, comprising a controller associated with the first and second base stations, each of which contains a receiver for receiving a signal from one communication medium generated by modulation by a sequence of spread spectrum symbols, and a detector for determining a reception time of a symbol of a specified sequence; and a location processor associated with the controller, for requesting the first and second base stations to determine the first and second time of reception of a particular symbol of a given sequence and to determine the location of the communication medium based on the first and second reception time and additional information about the first and second base stations. 6. Способ определения местонахождения абонентского устройства, осуществляющего связь в системе радиосвязи, имеющей множество базовых станций, включающий следующие операции, осуществляемые в абонентском устройстве:
(а) принимают первый сигнал от первой базовой станции из указанного множества базовых станций и второй сигнал от второй базовой станции из указанного множества базовых станций, причем первый и второй сигналы соответственно формируют на основании первой последовательности символов и второй последовательности символов;
(b) определяют первое время приема первого символа первой последовательности и второе время приема другого символа второй последовательности, и
(c) определяют местонахождение абонентского устройства на основании первого и второго времени приема и дополнительной информации о первой и второй базовых станциях.6. A method for determining the location of a subscriber device communicating in a radio communication system having a plurality of base stations, including the following operations carried out in a subscriber device:
(a) receiving a first signal from a first base station from a specified set of base stations and a second signal from a second base station from a specified set of base stations, wherein the first and second signals are respectively generated based on the first sequence of characters and the second sequence of characters;
(b) determining a first reception time of a first symbol of a first sequence and a second reception time of another symbol of a second sequence, and
(c) determining the location of the subscriber unit based on the first and second reception time and additional information about the first and second base stations. 7. Способ по п. 6, отличающийся тем, что первая и вторая последовательности являются идентичными последовательностями символов расширения спектра, имеющими первый и второй сдвиги последовательности соответственно первого и второго заранее определенного числа символов. 7. The method according to p. 6, characterized in that the first and second sequences are identical sequences of spread spectrum symbols having first and second sequence shifts of a first and second predetermined number of characters, respectively. 8, Способ определения местонахождения абонента в системе радиосвязи, имеющей множество базовых станций, включающих активные базовые станции и неактивные узлы, включающий следующие операции:
активизируют по меньшей мере один из неактивных узлов в качестве вспомогательной базовой станции;
управляют группой, содержащей по меньшей мере одну из активных базовых станций, которая может принимать сигнал от данного абонента, в любую активизированную вспомогательную базовую станцию, для передачи каждой из них сигнала; и
определяют местоположение абонента на основании каждого из указанных сигналов.8, A method for determining the location of a subscriber in a radio communication system having a plurality of base stations, including active base stations and inactive nodes, including the following operations:
activating at least one of the inactive nodes as an auxiliary base station;
manage a group containing at least one of the active base stations, which can receive a signal from this subscriber, in any activated auxiliary base station, for transmitting each of them a signal; and
determine the location of the subscriber based on each of these signals. 9. Способ по п. 8, отличающийся тем, что дополнительно определяют время приема на абонентском устройстве каждого из указанных сигналов. 9. The method according to p. 8, characterized in that it further determines the time of reception on the subscriber device of each of these signals. 10 Устройство для определения местонахождения абонента в системе радиосвязи, имеющей множество базовых узлов, включающих активные базовые станции и неактивные узлы, содержащее средство для активизации по меньшей мере одного из неактивных узлов в качестве вспомогательной базовой станции; средство для управления группой, содержащей по меньшей мере одну из активных базовых станций, которая может принимать сигнал от данного абонента, и любую активизированную вспомогательную базовую станцию, для передачи каждой из них сигнала; и средство для определения местонахождения абонента на основании каждого из указанных сигналов. 10 A device for determining the location of a subscriber in a radio communication system having a plurality of base nodes including active base stations and inactive nodes, comprising means for activating at least one of the inactive nodes as an auxiliary base station; means for managing a group containing at least one of the active base stations that can receive a signal from a given subscriber, and any activated auxiliary base station, for transmitting each of them a signal; and means for determining the location of the subscriber based on each of these signals.
RU97101879A 1995-05-08 1996-03-21 Method and device for position finding in radio communication multiple-user code-access system RU2127963C1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US08/436,760 US5508708A (en) 1995-05-08 1995-05-08 Method and apparatus for location finding in a CDMA system
US08/436,760 1995-05-08
PCT/US1996/003797 WO1996035958A1 (en) 1995-05-08 1996-03-21 Method and apparatus for location finding in a cdma system

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RU97101879A true RU97101879A (en) 1999-02-27
RU2127963C1 RU2127963C1 (en) 1999-03-20

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JP (1) JP3254682B2 (en)
KR (1) KR100208647B1 (en)
CN (1) CN1097734C (en)
BR (1) BR9606340A (en)
CA (1) CA2192579C (en)
FI (1) FI115886B (en)
FR (1) FR2734108B1 (en)
GB (1) GB2304500B (en)
IL (1) IL117654A (en)
IT (1) IT1284380B1 (en)
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RU (1) RU2127963C1 (en)
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Families Citing this family (287)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5519760A (en) 1994-06-22 1996-05-21 Gte Laboratories Incorporated Cellular network-based location system
US5734963A (en) 1995-06-06 1998-03-31 Flash Comm, Inc. Remote initiated messaging apparatus and method in a two way wireless data communications network
US5765112A (en) 1995-06-06 1998-06-09 Flash Comm. Inc. Low cost wide area network for data communication using outbound message specifying inbound message time and frequency
CA2222691A1 (en) * 1995-06-06 1996-12-12 Flash Comm, Inc. Determining propagating and clear frequency in wireless data communications network
US7929498B2 (en) 1995-06-30 2011-04-19 Interdigital Technology Corporation Adaptive forward power control and adaptive reverse power control for spread-spectrum communications
US7020111B2 (en) 1996-06-27 2006-03-28 Interdigital Technology Corporation System for using rapid acquisition spreading codes for spread-spectrum communications
ZA965340B (en) 1995-06-30 1997-01-27 Interdigital Tech Corp Code division multiple access (cdma) communication system
US6885652B1 (en) 1995-06-30 2005-04-26 Interdigital Technology Corporation Code division multiple access (CDMA) communication system
US7123600B2 (en) 1995-06-30 2006-10-17 Interdigital Technology Corporation Initial power control for spread-spectrum communications
US7072380B2 (en) * 1995-06-30 2006-07-04 Interdigital Technology Corporation Apparatus for initial power control for spread-spectrum communications
FI101445B (en) * 1995-10-03 1998-06-15 Nokia Mobile Phones Ltd Mobile location system
JPH09163441A (en) * 1995-12-06 1997-06-20 Sony Corp Portable telephone set and network for the same
JPH09261128A (en) * 1996-03-22 1997-10-03 Matsushita Electric Ind Co Ltd Spread spectrum communication equipment
EP0800319A1 (en) * 1996-04-02 1997-10-08 Hewlett-Packard Company Locating method for mobile radio systems
US5943014A (en) * 1996-06-06 1999-08-24 Qualcom Incorporated Using a signal with increased power for determining the position of a mobile subscriber in a CDMA cellular telephone system
GB2355159B (en) * 1996-06-06 2001-06-13 Qualcomm Inc Determining the position of a mobile station 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
US6195046B1 (en) * 1996-06-06 2001-02-27 Klein S. Gilhousen Base station with slave antenna for determining the position of a mobile subscriber in a CDMA cellular telephone system
GB2357405B (en) * 1996-06-06 2001-08-15 Qualcomm Inc Determining the position of a mobile station within a cellular telephone system
JP4068149B2 (en) * 1996-06-06 2008-03-26 クゥアルコム・インコーポレイテッド Method for using signals with increased power to determine the location of a mobile subscriber in a CDMA cellular telephone system
US5926761A (en) * 1996-06-11 1999-07-20 Motorola, Inc. Method and apparatus for mitigating the effects of interference in a wireless communication system
US5675344A (en) * 1996-06-28 1997-10-07 Motorola, Inc. Method and apparatus for locating a mobile station in a spread spectrum communication system
US5945948A (en) * 1996-09-03 1999-08-31 Motorola, Inc. Method and apparatus for location finding in a communication system
US6236365B1 (en) 1996-09-09 2001-05-22 Tracbeam, Llc Location of a mobile station using a plurality of commercial wireless infrastructures
US7903029B2 (en) 1996-09-09 2011-03-08 Tracbeam Llc Wireless location routing applications and architecture therefor
US9134398B2 (en) 1996-09-09 2015-09-15 Tracbeam Llc Wireless location using network centric location estimators
US7274332B1 (en) 1996-09-09 2007-09-25 Tracbeam Llc Multiple evaluators for evaluation of a purality of conditions
US6249252B1 (en) 1996-09-09 2001-06-19 Tracbeam Llc Wireless location using multiple location estimators
US7764231B1 (en) 1996-09-09 2010-07-27 Tracbeam Llc Wireless location using multiple mobile station location techniques
US7714778B2 (en) 1997-08-20 2010-05-11 Tracbeam Llc Wireless location gateway and applications therefor
KR19980021532A (en) * 1996-09-17 1998-06-25 유기범 How to locate MS location in CDM personal mobile communication
US5748084A (en) * 1996-11-18 1998-05-05 Isikoff; Jeremy M. Device security system
JPH10173630A (en) * 1996-12-13 1998-06-26 Nec Corp Cdma chip-synchronizing circuit
US6785550B1 (en) * 2000-11-28 2004-08-31 Lucent Technologies Inc. Mobile location estimation in a wireless communication system
US6163696A (en) * 1996-12-31 2000-12-19 Lucent Technologies Inc. Mobile location estimation in a wireless communication system
JPH10200506A (en) * 1997-01-06 1998-07-31 Sony Corp Receiver, receiving method and terminal in radio system
JPH10200505A (en) * 1997-01-06 1998-07-31 Sony Corp Receiver, reception method and terminal equipment for radio system
US5945949A (en) * 1997-01-13 1999-08-31 Lucent Technologies Inc. Mobile station position determination in a wireless communication system
JPH10200508A (en) * 1997-01-14 1998-07-31 Sony Corp Terminal equipment for radio system and search method
US5963866A (en) * 1997-01-15 1999-10-05 Lucent Technologies Inc. Wireless location messaging
KR100206310B1 (en) * 1997-01-17 1999-07-01 윤종용 Method and apparatus for system time broadcating and status/alarm management of gpsr
JPH10209919A (en) * 1997-01-21 1998-08-07 Sony Corp Equipment, method for reception and terminal equipment for portable telephone system
US5903844A (en) * 1997-02-04 1999-05-11 Motorola, Inc. Method and apparatus for determining remote unit location in a communication system
US5905961A (en) * 1997-02-05 1999-05-18 Motorola, Inc. Method and apparatus for managing remote unit increased power transmission during location
US6148195A (en) * 1997-02-18 2000-11-14 Itt Manufacturing Enterprises, Inc. Phase agile antenna for use in position determination
US6148219A (en) * 1997-02-18 2000-11-14 Itt Manufacturing Enterprises, Inc. Positioning system for CDMA/PCS communications system
US6154656A (en) * 1997-02-27 2000-11-28 Ericsson Inc. Wireless communication device and system incorporating location-determining means
US6898197B1 (en) * 1997-02-28 2005-05-24 Interdigital Technology Corporation Geolocation of a mobile terminal in a CDMA communication system
US5943331A (en) * 1997-02-28 1999-08-24 Interdigital Technology Corporation Orthogonal code synchronization system and method for spread spectrum CDMA communications
US6091948A (en) * 1997-02-28 2000-07-18 Oki Telecom, Inc. One number service using mobile assisted call forwarding facilities
EP0865223B1 (en) * 1997-03-14 2004-05-26 Ntt Mobile Communications Network Inc. Mobile station position estimation for cellular mobile communication system
US6233459B1 (en) 1997-04-10 2001-05-15 The Atlantis Company, Limited, Japan System for providing Geolocation of a mobile transceiver
US5973643A (en) * 1997-04-11 1999-10-26 Corsair Communications, Inc. Method and apparatus for mobile emitter location
US5842130A (en) * 1997-05-29 1998-11-24 Motorola, Inc. Method for identifying a mobile unit in a wireless communication system
US6023607A (en) * 1997-05-30 2000-02-08 Nokia Telecommunication Oy Radio system and a call setup method
US6167274A (en) * 1997-06-03 2000-12-26 At&T Wireless Svcs. Inc. Method for locating a mobile station
US6118977A (en) 1997-09-11 2000-09-12 Lucent Technologies, Inc. Telecommunications-assisted satellite positioning system
US6011974A (en) * 1997-09-23 2000-01-04 Telefonaktiebolaget L M Ericsson (Publ) Method and system for determining position of a cellular mobile terminal
US6097958A (en) * 1997-10-10 2000-08-01 Northern Telecom Limited Method and apparatus for locating and tracking cellular telephones in a CDMA cellular communication network
US6157842A (en) * 1997-10-16 2000-12-05 Telefonaktiebolaget Lm Ericsson System and method for positioning a mobile station in a CDMA cellular system
FI974153L (en) 1997-11-06 1999-05-07 Nokia Mobile Phones Ltd Method and arrangement for determining the location of a mobile station
US6006097A (en) * 1997-11-24 1999-12-21 Telefonaktiebolaget L M Ericsson (Publ) Method for determining position of mobile communication terminals
US6195342B1 (en) * 1997-11-25 2001-02-27 Motorola, Inc. Method for determining hand-off candidates in a neighbor set in a CDMA communication system
US5999522A (en) * 1997-11-26 1999-12-07 Motorola, Inc. Method and apparatus for determining hand-off candidates in a communication system
US6134228A (en) * 1997-12-12 2000-10-17 Telefonaktiebolaget Lm Ericsson (Publ) Method and system for determining the position of a mobile terminal in a CDMA mobile communications system
US6507741B1 (en) * 1997-12-17 2003-01-14 Nortel Networks Limited RF Repeater with delay to improve hard handoff performance
KR100290926B1 (en) * 1997-12-27 2001-07-12 서평원 Method of tracing location of mobile subscriber
US6038438A (en) * 1997-12-30 2000-03-14 Ericsson, Inc. Emergency radio beacon capable mobile communication system mobile telephone and method
US6175587B1 (en) * 1997-12-30 2001-01-16 Motorola, Inc. Communication device and method for interference suppression in a DS-CDMA system
US6097959A (en) * 1998-01-29 2000-08-01 Ericsson Inc. System and method for accurate positioning of mobile terminals
US6603751B1 (en) 1998-02-13 2003-08-05 Qualcomm Incorporated Method and system for performing a handoff in a wireless communication system, such as a hard handoff
JP3436879B2 (en) 1998-03-05 2003-08-18 松下電器産業株式会社 Distance detecting method and device
CN1264087A (en) * 1998-03-12 2000-08-23 太阳微系统有限公司 System and method for definiting position of user for access computer application program
US6009091A (en) * 1998-03-13 1999-12-28 Motorola, Inc. Method and apparatus for mobile station location within a communication system
US6226317B1 (en) * 1998-03-30 2001-05-01 Motorola, Inc. Method and system for aiding in the location of a subscriber unit in a spread spectrum communication system
US6188888B1 (en) 1998-03-30 2001-02-13 Oki Telecom, Inc. Charging unit and wireless telephone having multi-number call forwarding capability
KR100293934B1 (en) * 1998-04-13 2001-07-12 윤종용 Apparatus and method for transmitting message using common channel in cdma system
US6014102A (en) * 1998-04-17 2000-01-11 Motorola, Inc. Method and apparatus for calibrating location finding equipment within a communication system
US5999124A (en) * 1998-04-22 1999-12-07 Snaptrack, Inc, Satellite positioning system augmentation with wireless communication signals
FI107219B (en) * 1998-05-04 2001-06-15 Nokia Networks Oy Procedure for measuring timing of signals and radio systems
US20030194033A1 (en) 1998-05-21 2003-10-16 Tiedemann Edward G. Method and apparatus for coordinating transmission of short messages with hard handoff searches in a wireless communications system
US6799046B1 (en) 1998-06-10 2004-09-28 Nortel Networks Limited Method and system for locating a mobile telephone within a mobile telephone communication network
US5969679A (en) * 1998-06-30 1999-10-19 Lucent Technologies Inc. Method and apparatus for determining whether a wireless station is operating within a prescribed geographic region
KR100413418B1 (en) 1998-07-10 2004-02-14 엘지전자 주식회사 Separated Soft Handoff Control Method of Reverse Link
US6330452B1 (en) 1998-08-06 2001-12-11 Cell-Loc Inc. Network-based wireless location system to position AMPs (FDMA) cellular telephones, part I
US6490454B1 (en) 1998-08-07 2002-12-03 Telefonaktiebolaget Lm Ericsson (Publ) Downlink observed time difference measurements
WO2000008886A1 (en) * 1998-08-07 2000-02-17 Telefonaktiebolaget Lm Ericsson (Publ) Improvements in downlink observed time difference measurements
US6665332B1 (en) 1998-09-09 2003-12-16 Allen Telecom, Inc. CDMA geolocation system
DE19844296A1 (en) * 1998-09-18 2000-03-23 Biotronik Mess & Therapieg Arrangement for patient monitoring
US6393294B1 (en) * 1998-09-22 2002-05-21 Polaris Wireless, Inc. Location determination using RF fingerprinting
US6269246B1 (en) 1998-09-22 2001-07-31 Ppm, Inc. Location determination using RF fingerprinting
US6208297B1 (en) 1998-10-09 2001-03-27 Cell-Loc Inc. Methods and apparatus to position a mobile receiver using downlink signals, part I
US6266014B1 (en) 1998-10-09 2001-07-24 Cell-Loc Inc. Methods and apparatus to position a mobile receiver using downlink signals part IV
US6204812B1 (en) 1998-10-09 2001-03-20 Cell-Loc Inc. Methods and apparatus to position a mobile receiver using downlink signals, part II
US20030146871A1 (en) * 1998-11-24 2003-08-07 Tracbeam Llc Wireless location using signal direction and time difference of arrival
US8135413B2 (en) 1998-11-24 2012-03-13 Tracbeam Llc Platform and applications for wireless location and other complex services
US6337980B1 (en) 1999-03-18 2002-01-08 Hughes Electronics Corporation Multiple satellite mobile communications method and apparatus for hand-held terminals
US7089000B1 (en) 1999-03-18 2006-08-08 The Directv Group, Inc. Multi-node wireless communication system with multiple transponding platforms
KR100378124B1 (en) * 1998-12-10 2003-06-19 삼성전자주식회사 Device and method for estimating the position of terminal in mobile communication system
US6785553B2 (en) 1998-12-10 2004-08-31 The Directv Group, Inc. Position location of multiple transponding platforms and users using two-way ranging as a calibration reference for GPS
KR100487243B1 (en) * 1998-12-17 2005-08-31 삼성전자주식회사 Device and method for estimating the position of terminal in mobile communication system
US6587446B2 (en) 1999-02-11 2003-07-01 Qualcomm Incorporated Handoff in a wireless communication system
US6920309B1 (en) 1999-03-18 2005-07-19 The Directv Group, Inc. User positioning technique for multi-platform communication system
US7215954B1 (en) 1999-03-18 2007-05-08 The Directv Group, Inc. Resource allocation method for multi-platform communication system
US6603800B1 (en) * 1999-03-22 2003-08-05 Interdigital Technology Corporation CDMA location
US6242167B1 (en) 1999-04-12 2001-06-05 Rentech, Inc. Developer for use with carbonless copy paper and photo imaging systems
GB9908944D0 (en) * 1999-04-19 1999-06-16 Nokia Telecommunications Oy Method and system for locating a station in a wireless network
US6397074B1 (en) * 1999-05-07 2002-05-28 Nokia Mobile Phones Limited GPS assistance data delivery method and system
JP2001061176A (en) 1999-08-20 2001-03-06 Pioneer Electronic Corp Communication system
JP3595738B2 (en) * 1999-08-30 2004-12-02 松下電器産業株式会社 Distance detecting method, position detecting method and device therefor
EP1286735A1 (en) 1999-09-24 2003-03-05 Dennis Jay Dupray Geographically constrained network services
US6275707B1 (en) * 1999-10-08 2001-08-14 Motorola, Inc. Method and apparatus for assigning location estimates from a first transceiver to a second transceiver
US6677895B1 (en) 1999-11-16 2004-01-13 Harris Corporation System and method for determining the location of a transmitting mobile unit
US6405047B1 (en) * 1999-12-01 2002-06-11 Samsung Electronics, Co., Ltd. Device and method for tracking mobile station's position in mobile communication system
DE19961516A1 (en) 1999-12-20 2001-07-05 Siemens Ag Method for controlling connection forwarding in a radio communication system
US6404388B1 (en) * 2000-01-21 2002-06-11 At&T Wireless Services, Inc. Method and apparatus for enhanced 911 location using power control in a wireless system
JP4292442B2 (en) * 2000-01-31 2009-07-08 ソニー株式会社 Global positioning system receiver and portable radio terminal
US6662014B1 (en) * 2000-02-04 2003-12-09 Sbc Properties, L.P. Location privacy manager for a wireless communication device and method therefor
US6603977B1 (en) * 2000-02-04 2003-08-05 Sbc Properties, Lp Location information system for a wireless communication device and method therefor
US6970708B1 (en) * 2000-02-05 2005-11-29 Ericsson Inc. System and method for improving channel monitoring in a cellular system
KR100359213B1 (en) * 2000-03-30 2002-11-07 주식회사 하이닉스반도체 Location Search Method of Mobile Station Using the Message in Base Transceiver Station System
US6963548B1 (en) 2000-04-17 2005-11-08 The Directv Group, Inc. Coherent synchronization of code division multiple access signals
US7302224B2 (en) * 2000-05-03 2007-11-27 The Directv Group, Inc. Communication system for rebroadcasting electronic content within local area network
US7254118B1 (en) * 2000-05-22 2007-08-07 Qualcomm Incorporated Method and apparatus in a CDMA communication system
US9875492B2 (en) 2001-05-22 2018-01-23 Dennis J. Dupray Real estate transaction system
US10641861B2 (en) 2000-06-02 2020-05-05 Dennis J. Dupray Services and applications for a communications network
US10684350B2 (en) 2000-06-02 2020-06-16 Tracbeam Llc Services and applications for a communications network
US6756937B1 (en) 2000-06-06 2004-06-29 The Directv Group, Inc. Stratospheric platforms based mobile communications architecture
US6388615B1 (en) * 2000-06-06 2002-05-14 Hughes Electronics Corporation Micro cell architecture for mobile user tracking communication system
US7257418B1 (en) 2000-08-31 2007-08-14 The Directv Group, Inc. Rapid user acquisition by a ground-based beamformer
US6941138B1 (en) 2000-09-05 2005-09-06 The Directv Group, Inc. Concurrent communications between a user terminal and multiple stratospheric transponder platforms
US6763242B1 (en) 2000-09-14 2004-07-13 The Directv Group, Inc. Resource assignment system and method for determining the same
US6697629B1 (en) * 2000-10-11 2004-02-24 Qualcomm, Incorporated Method and apparatus for measuring timing of signals received from multiple base stations in a CDMA communication system
JP2002152799A (en) * 2000-11-09 2002-05-24 Uniden Corp System and method for detecting private branch position and terminal
KR100790041B1 (en) * 2000-11-14 2007-12-31 심볼테크놀로지스,인코포레이티드 Wireless clock sync
US6845240B2 (en) 2000-12-11 2005-01-18 Grayson Wireless System and method for analog cellular radio geolocation
US6952158B2 (en) * 2000-12-11 2005-10-04 Kennedy Jr Joseph P Pseudolite positioning system and method
US6891813B2 (en) 2000-12-12 2005-05-10 The Directv Group, Inc. Dynamic cell CDMA code assignment system and method
US6519464B1 (en) * 2000-12-14 2003-02-11 Pulse-Link, Inc. Use of third party ultra wideband devices to establish geo-positional data
US7254401B2 (en) * 2000-12-19 2007-08-07 Nokia Corporation Network-based method and system for determining a location of user equipment in CDMA networks
DE10101503A1 (en) * 2001-01-12 2002-07-25 Siemens Ag Method for coordinating transmission interruptions of a multiplicity of base stations of a cellular radio communication system and associated radio communication system
US6920329B2 (en) * 2001-01-16 2005-07-19 Allen Telecom Method and system for applying wireless geolocation technology
US6941107B2 (en) * 2001-01-19 2005-09-06 The Directv Group, Inc. Stratospheric platform based surface vehicle tracking and mobile data network
JP3543769B2 (en) * 2001-02-19 2004-07-21 株式会社日立製作所 Device for measuring the position of mobile terminals
US6934548B1 (en) * 2001-08-10 2005-08-23 Lawrence A. Gould Methods for detecting, computing and disseminating location information associated with emergency 911 wireless transmissions
DE10113545A1 (en) * 2001-03-20 2002-10-02 Tenovis Gmbh & Co Kg Circuit module position determination for transmitting position of object using circuit modules for transmitting position, circuit modules for picking up position and central processing circuit module
DE10118777A1 (en) * 2001-04-17 2002-12-05 Juergen Daesler Position determination system for mobile radio apparatus compares received station pattern, formed by mobile apparatus, with reference database
WO2002088896A2 (en) * 2001-05-02 2002-11-07 Groundhog Technologies Inc. Method and system for estimating subject position base on chaos theory
US7363043B2 (en) * 2001-05-18 2008-04-22 Southwest Research Institute Passive GSM-based self-locating device
US7925210B2 (en) * 2001-05-21 2011-04-12 Sirf Technology, Inc. Synchronizing a radio network with end user radio terminals
US8082096B2 (en) 2001-05-22 2011-12-20 Tracbeam Llc Wireless location routing applications and architecture therefor
US7072666B1 (en) * 2001-06-21 2006-07-04 Spring Spectrum L.P. Method and system for communicating location in a cellular wireless system
US7092722B1 (en) 2001-07-26 2006-08-15 Sprint Spectrum L.P. Method and system for establishing mobile station active set based on mobile station location
US8085889B1 (en) 2005-04-11 2011-12-27 Rambus Inc. Methods for managing alignment and latency in interference cancellation
US7158559B2 (en) * 2002-01-15 2007-01-02 Tensor Comm, Inc. Serial cancellation receiver design for a coded signal processing engine
US6871077B2 (en) 2001-10-09 2005-03-22 Grayson Wireless System and method for geolocating a wireless mobile unit from a single base station using repeatable ambiguous measurements
US6728545B1 (en) * 2001-11-16 2004-04-27 Meshnetworks, Inc. System and method for computing the location of a mobile terminal in a wireless communications network
US7260506B2 (en) * 2001-11-19 2007-08-21 Tensorcomm, Inc. Orthogonalization and directional filtering
US20050101277A1 (en) * 2001-11-19 2005-05-12 Narayan Anand P. Gain control for interference cancellation
FR2832897B1 (en) * 2001-11-23 2004-02-27 Evolium Sas METHOD FOR CELL CHANGE IN A PACKET MOBILE RADIO COMMUNICATION CELL SYSTEM
DE10159086A1 (en) * 2001-12-01 2003-06-12 Alcatel Sa Method for determining the distance between a mobile station and a base station
US6812889B2 (en) 2002-01-24 2004-11-02 Motorola, Inc. Methods and apparatus for determining a direction of arrival in a wireless communication system
US20030157943A1 (en) * 2002-01-29 2003-08-21 John Sabat Method and apparatus for auxiliary pilot signal for mobile phone location
JP4034571B2 (en) * 2002-02-08 2008-01-16 松下電器産業株式会社 Synchronization detection circuit
US20040203420A1 (en) * 2002-04-10 2004-10-14 Rick Roland R. Method and apparatus for calculating a representative measurement from multiple data measurements
US7366492B1 (en) 2002-05-03 2008-04-29 Verizon Corporate Services Group Inc. Method and system for mobile location detection using handoff information
US20040208238A1 (en) * 2002-06-25 2004-10-21 Thomas John K. Systems and methods for location estimation in spread spectrum communication systems
US7299063B2 (en) 2002-07-01 2007-11-20 Sony Corporation Wireless communication system, wireless communication device and wireless communication method, and computer program
US7360210B1 (en) 2002-07-03 2008-04-15 Sprint Spectrum L.P. Method and system for dynamically varying intermediation functions in a communication path between a content server and a client station
US7568002B1 (en) 2002-07-03 2009-07-28 Sprint Spectrum L.P. Method and system for embellishing web content during transmission between a content server and a client station
US7801945B1 (en) 2002-07-03 2010-09-21 Sprint Spectrum L.P. Method and system for inserting web content through intermediation between a content server and a client station
US8032149B2 (en) 2002-08-29 2011-10-04 Andrew Llc Tasking and reporting method and implementation for wireless appliance location systems
US7519373B2 (en) * 2002-08-29 2009-04-14 Andrew Llc System and method for geo-location of mobile appliances using diverse standard tasking and reporting
US7876810B2 (en) 2005-04-07 2011-01-25 Rambus Inc. Soft weighted interference cancellation for CDMA systems
US7808937B2 (en) 2005-04-07 2010-10-05 Rambus, Inc. Variable interference cancellation technology for CDMA systems
US7463609B2 (en) * 2005-07-29 2008-12-09 Tensorcomm, Inc Interference cancellation within wireless transceivers
US7577186B2 (en) * 2002-09-20 2009-08-18 Tensorcomm, Inc Interference matrix construction
US8761321B2 (en) * 2005-04-07 2014-06-24 Iii Holdings 1, Llc Optimal feedback weighting for soft-decision cancellers
US7787572B2 (en) * 2005-04-07 2010-08-31 Rambus Inc. Advanced signal processors for interference cancellation in baseband receivers
US20050180364A1 (en) * 2002-09-20 2005-08-18 Vijay Nagarajan Construction of projection operators for interference cancellation
US8005128B1 (en) 2003-09-23 2011-08-23 Rambus Inc. Methods for estimation and interference cancellation for signal processing
JP4444832B2 (en) * 2002-09-23 2010-03-31 テンソルコム インコーポレイテッド Method and apparatus for selectively utilizing interference cancellation in a spread spectrum system
US8179946B2 (en) 2003-09-23 2012-05-15 Rambus Inc. Systems and methods for control of advanced receivers
US20050123080A1 (en) * 2002-11-15 2005-06-09 Narayan Anand P. Systems and methods for serial cancellation
WO2004036811A2 (en) * 2002-10-15 2004-04-29 Tensorcomm Inc. Method and apparatus for interference suppression with efficient matrix inversion in a ds-cdma system
JP4210649B2 (en) * 2002-10-15 2009-01-21 テンソルコム インコーポレイテッド Method and apparatus for channel amplitude estimation and interference vector construction
AU2003290558A1 (en) * 2002-10-31 2004-06-07 Tensorcomm, Incorporated Systems and methods for reducing interference in cdma systems
WO2004043106A1 (en) * 2002-11-08 2004-05-21 Nokia Corporation Method, terminal device and system allowing for handling location services independently from a cellular communication system
WO2004073159A2 (en) * 2002-11-15 2004-08-26 Tensorcomm, Incorporated Systems and methods for parallel signal cancellation
US7162252B2 (en) * 2002-12-23 2007-01-09 Andrew Corporation Method and apparatus for supporting multiple wireless carrier mobile station location requirements with a common network overlay location system
CN1830163B (en) * 2003-05-23 2011-11-09 讯宝科技公司 Method for calibrating target positioning system
US7429914B2 (en) * 2003-06-04 2008-09-30 Andrew Corporation System and method for CDMA geolocation
EP1494488A1 (en) * 2003-07-01 2005-01-05 Precisa Instruments AG Mobile phone comprising position computation means
DE10332551B4 (en) * 2003-07-17 2006-11-09 Jülg, Thomas, Dipl.-Ing. Dr. Method for determining position
KR20050011868A (en) * 2003-07-24 2005-01-31 유티스타콤코리아 유한회사 Device and method for tracking position of cellular phone using beacon in mobile communication system
US7079609B2 (en) * 2003-07-31 2006-07-18 Motorola, Inc. Method and apparatus for reducing interference within a communication system
GB2406021A (en) * 2003-09-12 2005-03-16 Matsushita Electric Ind Co Ltd Power efficient method for a mobile terminal to determine its location by processing only parts of the received signal
US8234373B1 (en) 2003-10-27 2012-07-31 Sprint Spectrum L.P. Method and system for managing payment for web content based on size of the web content
US20050105600A1 (en) * 2003-11-14 2005-05-19 Okulus Networks Inc. System and method for location tracking using wireless networks
US7477710B2 (en) * 2004-01-23 2009-01-13 Tensorcomm, Inc Systems and methods for analog to digital conversion with a signal cancellation system of a receiver
US20050169354A1 (en) * 2004-01-23 2005-08-04 Olson Eric S. Systems and methods for searching interference canceled data
KR100573203B1 (en) * 2004-03-17 2006-04-24 에스케이 텔레콤주식회사 Method and system for positioning terminal using location navigator in GPS propagation shadow area
US7272495B2 (en) 2004-04-01 2007-09-18 Itt Manufacturing Enterprises, Inc. System and method for inverse multilateration
US7187327B2 (en) * 2004-04-01 2007-03-06 Itt Manufacturing Enterprises, Inc. Method and system for determining the position of an object
US6876325B1 (en) 2004-04-01 2005-04-05 Itt Manufacturing Enterprises, Inc. System and method for location-finding using communication signals
US9172679B1 (en) 2004-04-14 2015-10-27 Sprint Spectrum L.P. Secure intermediation system and method
US7853782B1 (en) 2004-04-14 2010-12-14 Sprint Spectrum L.P. Secure intermediation system and method
US7512973B1 (en) 2004-09-08 2009-03-31 Sprint Spectrum L.P. Wireless-access-provider intermediation to facilliate digital rights management for third party hosted content
US8023554B2 (en) * 2004-10-06 2011-09-20 Broadcom Corporation Method and system for single antenna receiver system for WCDMA
JP2006118881A (en) * 2004-10-19 2006-05-11 Ntt Docomo Inc Location positioning system and location positioning method
US7600011B1 (en) 2004-11-04 2009-10-06 Sprint Spectrum L.P. Use of a domain name server to direct web communications to an intermediation platform
US20060125689A1 (en) * 2004-12-10 2006-06-15 Narayan Anand P Interference cancellation in a receive diversity system
CN1327743C (en) * 2005-01-25 2007-07-18 华为技术有限公司 Method of processing delaying type position requirement
US7826516B2 (en) 2005-11-15 2010-11-02 Rambus Inc. Iterative interference canceller for wireless multiple-access systems with multiple receive antennas
US20060229051A1 (en) * 2005-04-07 2006-10-12 Narayan Anand P Interference selection and cancellation for CDMA communications
WO2006124907A2 (en) * 2005-05-17 2006-11-23 Andrew Corporation Method and apparatus for determining coupled path loss
US7583654B2 (en) * 2005-12-28 2009-09-01 Honeywell International Inc. Sub-frame synchronized multiplexing
JP5425478B2 (en) * 2006-03-06 2014-02-26 クゥアルコム・インコーポレイテッド Positioning method using surveying stitching
US7719994B2 (en) * 2006-04-26 2010-05-18 Honeywell International Inc. Sub-frame synchronized ranging
US8019339B2 (en) 2006-05-16 2011-09-13 Andrew Llc Using serving area identification in a mixed access network environment
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
US7688747B2 (en) * 2006-08-30 2010-03-30 Honeywell International Inc. Sub-frame synchronized residual ranging
JP4728923B2 (en) * 2006-09-26 2011-07-20 富士通株式会社 Wireless positioning system
US8498242B2 (en) * 2006-11-06 2013-07-30 Qualcomm Incorporated Cell search based on beacon in a wireless communication system
KR100926292B1 (en) 2006-12-04 2009-11-12 한국전자통신연구원 Distance estimation method between two sensor nodes using round trip time delay
US7515092B2 (en) * 2007-01-17 2009-04-07 Honeywell International Inc. Sub-frame synchronized residual radar
CA2677087A1 (en) * 2007-02-05 2008-08-14 Andrew Corporation System and method for optimizing location estimate of mobile unit
US8005050B2 (en) 2007-03-23 2011-08-23 Lgc Wireless, Inc. Localization of a mobile device in distributed antenna communications system
JP5201861B2 (en) * 2007-03-27 2013-06-05 富士通コンポーネント株式会社 Information providing system and information providing method
US7941163B2 (en) * 2007-06-29 2011-05-10 Alcatel-Lucent Usa Inc. Determining the location of a wireless mobile communications device
US8195204B1 (en) 2007-07-25 2012-06-05 Sprint Spectrum L.P. Method and apparatus for scanning sectors in order of distance from mobile station
US7881263B1 (en) 2007-07-31 2011-02-01 Sprint Spectrum L.P. Method for use of azimuth and bearing data to select a serving sector for a mobile station
US20090061892A1 (en) * 2007-08-27 2009-03-05 Via Telecom, Inc. Location assisted connection to femtocell
US8103267B2 (en) * 2007-09-26 2012-01-24 Via Telecom, Inc. Femtocell base station with mobile station capability
US8937936B2 (en) * 2007-10-05 2015-01-20 Via Telecom Inc. Acquiring time synchronization and location information with a femtocell
US9363770B2 (en) * 2007-10-05 2016-06-07 Ipcomm Automatic provisioning of handoff parameters for femtocell
US8213391B2 (en) * 2007-10-05 2012-07-03 Via Telecom, Inc. Time synchronization of femtocell
US8223683B2 (en) * 2007-10-05 2012-07-17 VIA Telecom, Inc Automatic provisioning of femtocell
US8248923B2 (en) * 2007-10-05 2012-08-21 Via Telecom, Inc. Automatic provisioning of admission policy for femtocell
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
CN101437287B (en) * 2007-11-15 2011-01-19 展讯通信（上海）有限公司 Method and system for wireless localization through assistant base station update
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
US20090154401A1 (en) * 2007-12-18 2009-06-18 Motorola, Inc. Methods and systems for initial ranging
US8379625B2 (en) * 2007-12-18 2013-02-19 Airvana Llc Obtaining time information in a cellular network
US8520659B2 (en) * 2007-12-18 2013-08-27 Airvana Llc Absolute time recovery
US9026129B2 (en) * 2007-12-19 2015-05-05 Qualcomm Incorporated Systems and methods for locating a mobile device
US8140107B1 (en) 2008-01-04 2012-03-20 Sprint Spectrum L.P. Method and system for selective power control of wireless coverage areas
US8213955B2 (en) 2008-05-01 2012-07-03 Andrew, Llc Network measurement report caching for location of mobile devices
US8744493B2 (en) * 2008-05-28 2014-06-03 Via Telecom, Inc. Localized silence area for mobile devices
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
EP2364568B1 (en) 2008-11-06 2017-12-20 Wireless Future Technologies Inc. Wireless device location services
US8964692B2 (en) 2008-11-10 2015-02-24 Qualcomm Incorporated Spectrum sensing of bluetooth using a sequence of energy detection measurements
US8035557B2 (en) * 2008-11-24 2011-10-11 Andrew, Llc System and method for server side detection of falsified satellite measurements
US8249622B2 (en) * 2008-11-26 2012-08-21 Andrew, Llc System and method for multiple range estimation location
US8160609B2 (en) * 2008-11-26 2012-04-17 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
US7916071B2 (en) * 2008-12-23 2011-03-29 Andrew, Llc System and method for determining a reference location of a mobile device
US8391884B2 (en) * 2009-03-26 2013-03-05 Andrew Llc System and method for managing created location contexts in a location server
US8699409B2 (en) * 2009-04-08 2014-04-15 Qualcomm Incorporated Methods and apparatuses for providing peer-to-peer positioning in wireless networks
US9001811B2 (en) 2009-05-19 2015-04-07 Adc Telecommunications, Inc. Method of inserting CDMA beacon pilots in output of distributed remote antenna nodes
US8290510B2 (en) * 2009-06-11 2012-10-16 Andrew Llc System and method for SUPL held interworking
US9074897B2 (en) 2009-06-15 2015-07-07 Qualcomm Incorporated Real-time data with post-processing
EP2462461A1 (en) 2009-08-05 2012-06-13 Andrew LLC System and method for hybrid location in an lte network
US8217832B2 (en) * 2009-09-23 2012-07-10 Andrew, Llc Enhancing location accuracy using multiple satellite measurements based on environment
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
US20110171973A1 (en) * 2010-01-08 2011-07-14 Andrew, Llc System and Method for Mobile Location By Proximity Detection
US8718673B2 (en) 2010-05-21 2014-05-06 Maple Acquisition Llc System and method for location assurance of a mobile device
US8704707B2 (en) 2010-06-02 2014-04-22 Qualcomm Incorporated Position determination using measurements from past and present epochs
US8478275B1 (en) 2010-08-05 2013-07-02 Sprint Spectrum L.P. Conditional assignment of connection identifiers to help avoid communication errors
US9538493B2 (en) 2010-08-23 2017-01-03 Finetrak, Llc Locating a mobile station and applications therefor
CN101974786B (en) * 2010-09-09 2013-03-13 浙江省农业科学院 Method for constructing eukaryote cDNA library and special primers thereof
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
US8489122B2 (en) 2010-12-09 2013-07-16 Andrew Llc System and method for total flight time ratio pattern matching
US8625490B2 (en) 2011-01-07 2014-01-07 Apple Inc. Multiple granularity location determination
US8526968B2 (en) 2011-02-14 2013-09-03 Andrew Llc System and method for mobile location by dynamic clustering
US9715001B2 (en) 2011-06-13 2017-07-25 Commscope Technologies Llc Mobile location in a remote radio head environment
US8670425B1 (en) 2011-08-09 2014-03-11 Sprint Spectrum L.P. Use of past duration of stay as trigger to scan for wireless coverage
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
US8848565B2 (en) * 2012-07-12 2014-09-30 Qualcomm Incorporated Method for performing measurements and positioning in a network based WLAN positioning system
CN105100292B (en) 2014-05-12 2018-12-18 阿里巴巴集团控股有限公司 Determine the method and device of the position of terminal
FR3103339B1 (en) * 2019-11-14 2022-12-30 Thales Sa METHOD AND SYSTEM FOR LOCATION AND SATELLITE COMMUNICATION OF A GROUND-FIXED RADIO-ELECTRIC TERMINAL USING AT LEAST ONE TRAVELING SATELLITE
CN113568023B (en) * 2020-04-28 2024-09-20 广州汽车集团股份有限公司 Vehicle-mounted positioning method and vehicle-mounted positioning module

Family Cites Families (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8103475A (en) * 1981-07-23 1983-02-16 Hollandse Signaalapparaten Bv ENERGY CONVERTER.
US4670906A (en) * 1986-04-02 1987-06-02 Motorola, Inc. Data communications system transmitter selection method and apparatus
DE3883519T2 (en) * 1988-03-08 1994-03-17 Ibm Method and device for speech coding with multiple data rates.
FR2646302B1 (en) * 1989-04-25 1993-01-15 Matra Communication PSEUDO-SYNCHRONIZATION METHOD OF A TIME MULTIPLEXED COMMUNICATION NETWORK AND APPLICATIONS
JPH02287399A (en) * 1989-04-28 1990-11-27 Fujitsu Ltd Vector quantization control system
US5247357A (en) * 1989-05-31 1993-09-21 Scientific Atlanta, Inc. Image compression method and apparatus employing distortion adaptive tree search vector quantization with avoidance of transmission of redundant image data
US4974099A (en) * 1989-06-21 1990-11-27 International Mobile Machines Corporation Communication signal compression system and method
US5021794A (en) * 1989-08-15 1991-06-04 Lawrence Robert A Personal emergency locator system
US4963030A (en) * 1989-11-29 1990-10-16 California Institute Of Technology Distributed-block vector quantization coder
SE466376B (en) * 1990-09-13 1992-02-03 Televerket PROCEDURES FOR LOCALIZATION IN MOBILE RADIO SYSTEM
US5218716A (en) * 1990-11-05 1993-06-08 Motorola, Inc. Method for locating a communication unit within a multi mode communication system
US5218618A (en) * 1990-11-07 1993-06-08 Hughes Aircraft Company Cellular telephone service using spread spectrum transmission
US5365544A (en) * 1990-12-05 1994-11-15 Interdigital Technology Corporation CDMA communications and geolocation system and method
IT1241358B (en) * 1990-12-20 1994-01-10 Sip VOICE SIGNAL CODING SYSTEM WITH NESTED SUBCODE
AU671952B2 (en) * 1991-06-11 1996-09-19 Qualcomm Incorporated Variable rate vocoder
US5365516A (en) * 1991-08-16 1994-11-15 Pinpoint Communications, Inc. Communication system and method for determining the location of a transponder unit
US5293645A (en) * 1991-10-04 1994-03-08 Sharp Microelectronics Technology, Inc. Apparatus and method for locating mobile and portable radio terminals in a radio network
US5218367A (en) * 1992-06-01 1993-06-08 Trackmobile Vehicle tracking system
US5396541A (en) * 1992-10-23 1995-03-07 At&T Corp. Call handoff in a wireless telephone system
US5341456A (en) * 1992-12-02 1994-08-23 Qualcomm Incorporated Method for determining speech encoding rate in a variable rate vocoder
FR2709366B1 (en) * 1993-03-26 2001-09-14 Motorola Inc Method for storing reflection coefficient vectors.
US5404376A (en) * 1993-09-09 1995-04-04 Ericsson-Ge Mobile Communications Inc. Navigation assistance for call handling in mobile telephone systems

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