61
Tariqul Islam: System and method for hybrid location in a UMTS network. Andrew, Duane Morris, August 14, 2012: US08244275 (19 worldwide citation)

A system and method for estimating a location of a wireless device receiving signals from plural nodes of a Universal Mobile Telecommunications System (“UMTS”) network. Observed time difference of arrival (“OTDOA”) measurements of signals received by the wireless device are collected and a message i ...


62
Rick L Allison, Peter Joseph Marsico: Methods and systems for providing mobile location management services in a network routing node. Tekelec, Jenkins Wilson Taylor & Hunt P A, May 22, 2007: US07222192 (18 worldwide citation)

Disclosed is a mobility management routing (MMR) node that performs location management signaling operations associated with mobile subscribers. The MMR node may also perform the signaling message routing functionality typically provided by a network routing node, such as a signaling system 7 (SS7) ...


63
Christopher J Hall, Clay S Turner, Jimmy C Ray: Method and apparatus for geolocating a wireless communications device. John L DeAngelis Jr, Beusse Wolter Sanks, Mora & Maire P A, August 14, 2007: US07256737 (16 worldwide citation)

The time difference of arrival for a signal received at two or more receiving sites as transmitted from a wireless communications device, is determined by a frequency domain technique. The constituent frequencies of the signals received at the two or more receiving sites are determined, including th ...


64
Reinhard Becher: Method for the transmission of subscriber data between network nodes in at least one communications network supporting the structure of an intelligent network. Siemens Aktiengesellschaft, Hill & Simpson, November 17, 1998: US05839076 (16 worldwide citation)

In a method for the transmission of subscriber data between network nodes in at least one communications network supporting the structure of an intelligent network, each time a network subscriber passes from a first mobile location zone having an originating network node into a second mobile locatio ...


65
Vannucci Giovanni: Mobile location estimation in a wireless system using system-wide blank-and-burst. Lucent Technologies, January 27, 1999: EP0893930-A2 (16 worldwide citation)

In methods and apparatus for estimating mobile location in a wireless communication system including a plurality of base stations the base stations periodically transmit location signals to mobile stations during a system-wide blank-and-burst interval during which normal wireless communications are ...


66
Bagher R Zadeh, Dan Lindqvist: System and method for determining absolute time based upon air interface timing in time of arrival based positioning. Ericsson, Jenkens & Gilchrist P C, May 7, 2002: US06385452 (16 worldwide citation)

A telecommunications system and method is disclosed for reducing the signaling load on the network by instructing a Location Measurement Unit (LMU) to measure the relation between the absolute time and air interface timing, e.g., TDMA frame number, only when a positioning request has been received. ...


67
Macnaughtan Malcolm, Drane Christopher Ridgway, Brown Stephen, Scott Craig Andrew: Enhanced terrestrial mobile location. Seeker Wireless, Macnaughtan Malcolm, Drane Christopher Ridgway, Brown Stephen, Scott Craig Andrew, MADDERNS, October 12, 2006: WO/2006/105618 (16 worldwide citation)

A method and system for determining whether a mobile radio terminal is on or out of a zone in a radio communications network. The method provides for generating a profile representative of the zone using measurements taken by the mobile radio terminal and/ or the network and/ or using predicted valu ...


68
Masami Yabusaki, Yasuo Maruyama, Shoichi Hirata, Hiroshi Nakamura, Yasuyuki Uchiyama, Hiroshi Tsukahara, Eriko Takemoto: Mobile communication method for controlling origination or termination of a call in a desired network. NTT Mobile Communications Network, Pollock Vande Sande & Priddy, July 15, 1997: US05649301 (15 worldwide citation)

In a mobile communication network, a mobile unit location register ML and a subscriber location register SL are provided. In the mobile unit location register the mobile location of a mobile unit MT is registered, whereas in the subscriber location register a mobile unit MT selected by each subscrib ...


69
Richard Lane: Mobile station-centric method for managing bandwidth and QoS in error-prone system. Philip R Wadworth, Sandip, Dang M Vo, December 5, 2006: US07146185 (15 worldwide citation)

A wireless transmission system for multimedia information having plural layers includes a base station (BTS) and a mobile station (MS) that can select which layers to transmit based on reported channel conditions, mobile location, and/or forward error correction (FEC) used for a particular layer. A ...


70
Mundi Fomukong: Method and apparatus for locating mobile units tracking another or within a prescribed geographic boundary. June 29, 2004: US06756918 (15 worldwide citation)

A mobile location reporting communication system consists of a network of communication sources and targets managed by one or more control stations. In the system, a communication source may request for the location of a mobile communication target from the network. The target conveys its location t ...



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