1
Durga Malladi
Da shan Shiu, Durga P Malladi, Srikrishna Bhashyam: Noise and channel estimation using low spreading factors. Qualcomm Incorporated, Thomas R Rouse, Charles D Brown, Milan I Patel, August 7, 2007: US07254170 (2 worldwide citation)

Noise measurements are made within a fraction of a single symbol period of a longest orthogonal code symbol. A control processor identifies an unoccupied code having a spreading factor that is less than a longest spreading factor for the system. A despreader measures symbol energy based on the unocc ...


2
Panayotis Argyroudis: Concentrated subscriber wireless remote telemetry system. Qualcomm Incorporated, Russell B Miller, Charles D Brown, Roger W Martin, April 6, 1999: US05892758 (283 worldwide citation)

A concentrated subscriber wireless remote telemetry system which uses low-cost remote communication devices operating on existing wireless communication systems in order to provide real-time reading and control of remote devices. The metering system comprises at least one powerline remote metering d ...


3
Wyatt Riley: Area based position determination for terminals in a wireless network. Qualcomm, Philip R Wadsworth, Charles D Brown, Donald Kordich, March 8, 2005: US06865395 (267 worldwide citation)

Techniques to estimate the position of a wireless terminal. In a method, the identities of a number of transmitters (e.g., BTSs) to be used to estimate the position are initially received. Expected areas for these transmitters are then determined. The expected area associated with each transmitter i ...


4
Mehdi Hamidi Sani, Gregory A Uvieghara: Non-volatile multi-threshold CMOS latch with leakage control. Qualcomm Incorporated, Philip R Wadsworth, Charles D Brown, Timothy F Loomis, September 21, 2004: US06794914 (211 worldwide citation)

An integrated circuit including a Multi-Threshold CMOS (MTCMOS) latch combining low voltage threshold CMOS circuits with high voltage threshold CMOS circuits. The low voltage threshold circuits including a majority of the circuits in the signal path of the latch to ensure high performance of the lat ...


5
Robert H Kimball: Cellular internet telephone. Qualcomm Incorporated, Russell B Miller, Brian S Edmonston, Charles D Brown, September 14, 1999: US05953322 (197 worldwide citation)

A cellular telephone that provides the capability of performing Internet telephone calls without the bulk and expense of Internet telephone computer systems. The cellular telephone uses hardware vocoders and communication circuitry already present in the cellular telephone for normal cellular calls ...


6
James F Alves, Gerry R Cacnio, David R Stevens: Video image processor and method for detecting vehicles. Hughes Aircraft Company, Charles D Brown, Wanda Denson Low, July 9, 1996: US05535314 (196 worldwide citation)

A video image processor (100) for processing video images performing the steps of generating video images (103) with a multi-spectral video source (102), converting analog color data contained in the generated video images (103) to digital color data for subsequent signal processing, extracting the ...


7
Norman F Krasner: GPS receiver utilizing a communication link. Qualcomm Incorporated, Philip R Wadsworth, Charles D Brown, Bruce W Greenhaus, June 4, 2002: US06400314 (189 worldwide citation)

A precision carrier frequency signal for calibrating a local oscillator of a GPS receiver which is used to acquire GPS signals. The precision carrier frequency signal is used to calibrate the local oscillator such that the output of the local oscillator, which is used to acquire GPS signals, is modi ...


8
Samir S Soliman: Method and apparatus for evaluation of position location performance. Qualcomm Incorporated, Philip Wadsworth, Charles D Brown, Bruce W Greenhaus, April 29, 2003: US06556832 (183 worldwide citation)

Several different approaches may be taken to adding mobile unit position location capability to a system for wireless communications. These approaches may include terrestrial techniques as well as satellite-based techniques. An apparatus is disclosed whereby different such approaches may be evaluate ...


9
Samir S Soliman: Mobile communication system with position detection to facilitate hard handoff. Philip R Wadsworth, Charles D Brown, Bruce W Greenhaus, November 20, 2001: US06321090 (177 worldwide citation)

A system for facilitating handoff adapted for use with a telecommunications network. The system includes position equipment for determining the location of a mobile transceiver within a region containing a first cell and a second cell. A comparison circuit compares the location with a predetermined ...


10
Samir S Soliman, Serguei A Glazko, Parag A Agashe: Method and apparatus for increasing the sensitivity of a global positioning satellite receiver. Qualcomm Incorporated, Philip Wadsworth, Charles D Brown, Bruce W Greenhalls, December 4, 2001: US06327473 (170 worldwide citation)

Method and apparatus providing enhanced sensitivity for GPS receivers by allowing coherent integration of a correlation over several code periods of a GPS signal in one embodiment, and by performing a time to frequency domain conversion to the output from a correlation processor in a second embodime ...