61
Robert William Payne: Synthetic aperture radars including moving target indication. EMI, Fleit & Jacobson, August 17, 1976: US03975734 (19 worldwide citation)

There is disclosed a synthetic aperture radar arranged to survey a region from a mobile location. Radar pulses are transmitted in sets, the pulses from each set being transmitted from congruent positions. The returned echoes of the pulses of each set are then compared to substantially remove signals ...


62
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 ...


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 (17 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
Vannucci Giovanni: Mobile location estimation in a wireless system using system-wide blank-and-burst. Lucent Technologies, January 27, 1999: EP0893930-A2 (17 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 ...


65
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 ...


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
Mark Titus, Dara Ung, Carle S Johnson Jr, Erik Wallace, Phillip Geil, Daniel Hronek: Prepaid short messaging. TeleCommunication Systems, William H Bollman, September 23, 2008: US07428510 (15 worldwide citation)

A prepaid messaging solution which uses open networking standards (e.g., TCP/IP) and which supports pre-payment of enhanced Internet messaging services. The disclosed prepaid architectures and methods accurately determine if a subscriber has sufficient account balance to deliver a complete short mes ...


69
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 ...


70
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 ...



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