1
John E Maloney, Charles N Katz: Direction finding localization system. Ventana Sciences, Bacon & Thomas, March 1, 1988: US04728959 (224 worldwide citation)

The present invention combines the relative insensitivity of the phase angle differences of a radio signal to the signal distortions inherent in an urban environment with digital signal processing techniques to produce an accurate and economical way to locate a mobile transmitter station such as a m ...


2
John E Maloney, Charles J Hinkle Jr, James O Stevenson: Enchanced time difference localization system. KSI, Sterne Kessler Goldstein & Fox P L L C, August 22, 2000: US06108555 (213 worldwide citation)

A method and apparatus for locating a mobile radio communications transceiver in a cellular-telephone or cellular-like communications system use a simplified system for passive monitoring of the signals emitted by the transceiver. Two receiving base stations can determine the timing of signal arriva ...


3
John E Maloney, Charles J Hinkle Jr, James O Stevenson: Communications localization system. KSI, Sterne Kessler Goldstein & Fox P L L C, September 28, 1999: US05959580 (213 worldwide citation)

A method and apparatus for locating a mobile radio communications transceiver in a cellular-telephone or cell-like communications system uses a simplified system for passive monitoring of the signals emitted by the transceiver. A single base station can determine a line of bearing to the remote tran ...


4
John E Maloney, James O Stevenson: Robust, efficient, localization system. KSI, Sterne Kessler Goldstein & Fox P L L C, April 4, 2000: US06047192 (170 worldwide citation)

Replica correlation processing, and associated representative signal-data reduction and reconstruction techniques, are used to detect signals of interest and obtain robust measures of received-signal parameters, such as time differences of signal arrival and directional angles of arrival, that can b ...


5
John E Maloney, Charles J Hinkle Jr, James O Stevenson: Enhanced time-difference localization system. KSI, Sterne Kessler Goldstein & Fox P L L C, September 12, 2000: US06119013 (159 worldwide citation)

A system and method for locating a mobile transceiver relative to plural fixed sensor stations. The system includes plural sensor stations that receive a signal transmitted by the mobile transceiver. A probable position of the mobile transceiver is determined based on a time of arrival of the signal ...


6
John E Maloney: Single station communications localization system. KSI Incorporated, Sterne Kessler Goldstein & Fox P L L C, October 3, 2000: US06127975 (134 worldwide citation)

The present invention combines the measured characteristics of a radio signal in a communications environment with collateral information to produce an accurate and economical way to locate a mobile transmitter station, such as a mobile telephone, in a cellular telephone network.


7
John E Maloney: Apparatus and method for single station communications localization. KSI, Woodcock Washburn Kurtz Mackiewicz & Norris, September 11, 2001: US06288676 (131 worldwide citation)

An apparatus and method for combining the measured characteristics of a radio signal in a communications environment with collateral information to produce an accurate and economical way to locate a mobile transmitter station, such as a mobile telephone, in a cellular telephone network.


8
John E Maloney: Single station communications localization system. KSI, Woodcock Washburn Kurtz Mackiewicz & Norris, September 11, 2001: US06288675 (100 worldwide citation)

The present invention combines the measured characteristics of a radio signal in a communications environment with collateral information to produce an accurate and economical way to locate a mobile transmitter station, such as a mobile telephone, in a cellular telephone network.


9
Kenneth D Pack, John E Maloney: Enhanced determination of position-dependent signal characteristics of a wireless transmitter. TruePosition, Woodcock Washburn, April 2, 2002: US06366241 (93 worldwide citation)

A method and system for determining with enhanced accuracy a line of bearing and related signal characteristics of a mobile wireless transceiver in a cellular-telephone communications system is presented. Three or more conventionally configured antenna elements are used to provide a high resolution ...


10
John E Maloney, James O Stevenson: Robust, efficient, location-related measurement. KSI, Woodcock Washburn, April 8, 2003: US06546256 (89 worldwide citation)

Replica correlation processing, and associated representative signal-data reduction and reconstruction techniques, are used to detect signals of interest and obtain robust measures of received-signal parameters, such as time differences of signal arrival and directional angles of arrival, that can b ...