1
Peter Gaal: Method and apparatus for broadcasting position location data in a wireless communication system. Qualcomm Incorporated, Philip Wadsworth, Bruce Greenhaus, Richard Bachand, May 17, 2005: US06895249 (161 worldwide citation)

Techniques to efficiently broadcast position location data (PLD) from a base station to a number of terminals. In one aspect, PLD messages are classified into groups, and each group is broadcast in a different manner. For example, a first group of messages for PLD related to the base station is broa ...


2
Lauren Kwankit Leung: Beacon for locating and tracking wireless terminals. Qualcomm Incorporated, Philip Wadsworth, Bruce Greenhaus, Richard Bachand, June 14, 2005: US06907238 (156 worldwide citation)

A method and apparatus to facilitate the locating and tracking of a wireless terminal, which may be advantageously used for E-911 service. The terminal may be directed to transmit a beacon for certain events, such as in connection with a 911 call. The beacon has a specific format known by the wirele ...


3
Anthony Mauro, Norman Krasner: Directly acquiring precision code GPS signals. Qualcomm Incorporated, Philip Wadsworth, Charles Brown, Richard Bachand, February 15, 2005: US06856282 (151 worldwide citation)

In general, the invention is directed to techniques for directly acquiring P-codes without first acquiring C/A-codes. For example, in one embodiment, a system comprises an assist server to track a P-code signal from a Global Positioning System (GPS) satellite and generate acquisition assistance info ...


4
Douglas N Rowitch, Christopher Patrick: Data messaging efficiency for an assisted wireless position determination system. Qualcomm Incorporated, Philip Wadsworth, Richard Bachand, March 1, 2005: US06861980 (150 worldwide citation)

An assisted wireless position determination system includes a plurality of base stations and a plurality of wireless devices, such as mobile telephones and personal digital assistants, adapted to communicate with the base stations. The wireless position determination system also includes a position ...


5
Norman Krasner: Calibration and correction system for satellite position location systems. Qualcomm Incorporated, Philip Wadsworth, Charles Brown, Richard Bachand, November 9, 2004: US06816111 (143 worldwide citation)

To provide accurate and quick position measurements in a practical mobile position location system, the GPS receiver is calibrated, a frequency error in the next time period is predicted using a first frequency locked to an externally transmitted signal, and a second frequency is generated by a GPS ...


6
Parag Agashe, Giovanni Vannucci: Apparatus, method, and system of transferring correction information. Qualcomm, Lucent Technologies, Philip Wadsworth, Charles Brown, Richard Bachand, August 17, 2004: US06778885 (142 worldwide citation)

Apparatuses, methods, and systems of transferring correction information are described. In certain implementations, correction factors relate to stored or calculated values, and a correspondence between a correction factor and a value is indicated by a predetermined order of the correction factors. ...


7
Peter Gaal: Method, apparatus, and system for signal prediction. Qualcomm Incorporated, Philip Wadsworth, Charles Brown, Richard Bachand, August 10, 2004: US06775802 (136 worldwide citation)

An apparatus, method, and system for predicting subframes of Global Positioning System (GPS) signals. The apparatus include a processor capable of determining whether a subframe is an almanac subframe, setting a timehead and adding it to a time-of-week (TOW), setting a telemetry (TLM) message based ...


8
Norman F Krasner: Method and apparatus for signal processing in a satellite positioning system. Snaptrack, Philip Wadsworth, Charles Brown, Richard Bachand, November 9, 2004: US06816710 (131 worldwide citation)

A method and apparatus for processing satellite positioning system (SPS) signals which are weak in level. In one embodiment, a SPS receiver receives at least two signal samples representing, at least in part, common information, wherein the two signal samples are associated with one or more satellit ...


9
Wataru Narishima, Shoji Takeuchi: Casing structure of portable electronic appliance. Texas Instruments Incorporated, Richard Bachand, Melvin Sharp, Rhys Merrett, October 27, 1987: US04703160 (113 worldwide citation)

A unital casing structure of a portable electronic appliance such as a handheld or desktop calculator, comprising at least two panel sections having a straight boundary line therebetween and integrally coupled together across the boundary line whereby the panel sections are foldable with respect to ...


10
Ganesh Pattabiraman, Wayne A Lee, Thomas E Wendoll: System and method for bluetooth paging with transmit power reduced according to channel metrics measured during inquiry process. Qualcomm Incorporated, Philip Wadsworth, Charles Brown, Richard Bachand, February 15, 2005: US06856789 (66 worldwide citation)

Power levels for transmitting Bluetooth paging signals are optimized by applying mapping rules dictating different power levels for different signal quality characteristics measured during an earlier, pre-paging inquiry process. A subject Bluetooth device initially receives responses to universally ...