31
Alan Denis MacDonald, Marc W Sather, John Lawrence Snapp: Methods and apparatus for mobile station location estimation. AT&T Mobility II, Michael J Donohue, Davis Wright Tremaine, April 14, 2009: US07519372 (42 worldwide citation)

Methods and apparatus for estimating mobile station location include receiving reported signal strengths or other attachment indicator values from a mobile station. The reported signal strengths are compared with characteristic received signal strength values in a coverage area of a mobile network. ...


32
Mitchinson James Collier, Graham John Alexander: Vehicle location determining system. Mitchinson James Collier, Graham John Alexander, October 7, 1992: GB2254508-A (41 worldwide citation)

The location of a vehicle or person, G5 is determined by measuring the differences in time of arrival between pairs of line or frame synchronising pulses received from 3 different TV signal transmitters S1-S3. The measurements are corrected for relative system time delays or signal synchronising alt ...


33
Shu Shaw Wang, Marilynn P Green: Mobile location method for WLAN-type systems. Nokia Corporation, February 16, 2010: US07664511 (39 worldwide citation)

The present invention provides a new and unique method and apparatus for providing an estimate of a mobile location of a wireless node, point or terminal in a wireless local area network (WLAN) or other suitable network, the estimate being based on a correlation of a radio frequency (RF) signal stre ...


34
Michael L Obradovich: GPS publication application server. American Calcar, Christie Parker & Hale, March 11, 2008: US07343165 (38 worldwide citation)

A GPS publication application server. A mobile location knowledgeable device is in communication with a server. The server provides indications of the device's location to a home page associated with the device. The home page includes information about a user of the device and methods of contacting ...


35
Gregory W Cox, Stephen S Gilbert: Method and apparatus for processing a communication signal based on the geographical location of a communication device. Motorola, Jeffrey K Jacobs, May 16, 2006: US07047019 (37 worldwide citation)

An apparatus including a processor 42 coupled to a memory 44 resides in a location call filtering center 36 and cooperates with a gateway mobile location center 34 and a mobile switching center 22 to process a communication signal, based on the geographical location of a communication device 28, suc ...


36
Farhan Ali: System and method for mobile location detection in synchronous wireless systems. Sony Corporation, Sony Electronics, Blakely Sokoloff Taylor & Zafman, March 25, 2003: US06539229 (37 worldwide citation)

A system and method for determining the geographic location of a mobile station in a mobile telephone system is disclosed. The system broadcasts a series of forward link triangulation signals from an array of base transceiver stations, so that a mobile station may determine the differential times of ...


37
Thomas F La Porta, Ramachandran Ramjee, Malathi Veeraraghavan: Method and system for distributed control in wireless cellular and personal communication systems. Lucent Technologies, August 19, 1997: US05659544 (35 worldwide citation)

A system for distributed control in wireless cellular and personal communication systems includes separate servers for performing call control and connection control functions, thereby obviating the need for a mobile switching or other switch to be anchored for the duration of a call. During a regis ...


38
Theodore Havinis, David Boltz: System and method for monitoring positioning requests for mobile subscribers. Ericsson, Jenkens & Gilchrist P C, October 8, 2002: US06463288 (35 worldwide citation)

A telecommunications system and method is disclosed for monitoring all successful and unsuccessful attempts by third parties to locate a mobile subscriber and providing identity information associated with those third parties to the mobile subscriber. Whenever a positioning request is received by a ...


39
Thompson Andrew Thomas, Mason George Allan, Welsh Paul Steven: Remote location monitoring. Gps Genetic, April 9, 1997: GB2305568-A (34 worldwide citation)

A location monitoring apparatus comprises a plurality of GPS mobile location monitoring units, one or more ground stations and a cellular telephone communications link between the mobile location monitoring unit and the ground station. Each ground station is arranged to receive location information ...


40
Jonathan Goldstone: Encrypted e-mail message retrieval system. Comverse, Sughrue Mion PLLC, March 27, 2007: US07196807 (31 worldwide citation)

An electronic message retrieval system in which the electronic message, and any corresponding attachments, can be encrypted by the sender of the message and routed to the intended recipient, even if the intended recipient is in a mobile location or it is otherwise inconvenient for the recipient to r ...



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