1
Ramandeep Ahuja
Ramandeep Ahuja, David P Gurney: System and method for maintaining a backup radio operating parameter list in a secondary use communication system. Motorola, Motorola, September 23, 2010: US20100238798-A1

A radio communication system (100) provides a radio air interface at a master node (102) for subscriber units associated with the master node. Among the subscriber units are several slave nodes (104, 106). The communication system has the ability to operate as a secondary user in unused spectrum por ...


2
Randy Ekl
David P Gurney, Wayne W Chiou, Randy L Ekl, Douglas H Weisman: Method for addressing user location errors in a cognitive radio system. Motorola, Motorola, March 5, 2009: US20090061779-A1

A cognitive radio (CR) system (102) includes CR units (108, 110) that determine and update location-based system operating parameters to avoid interference with other systems operating in the same frequency band. Operational Location Uncertainty region and Allowed Location Error regions can be appli ...


3
Stephen Kuffner, Timothy Collins, Bruce Eastmond, David P Gurney: Method and apparatus for electronic item identification in a communication system using known source parameters. Motorola, Valerie M Davis, Terri S Hughes, Thomas V Miller, November 29, 2005: US06970518 (46 worldwide citation)

A communications method including the steps of: receiving signals from at least one signal source during a first signal source transmission; estimating at least one signal source parameter based on the received signals during the first signal source transmission; receiving signals from at least one ...


4
Timothy J Collins, David P Gurney, Stephen L Kuffner, Richard S Rachwalski: Method and apparatus for multiple frequency RFID tag architecture. Motorola, July 24, 2007: US07248165 (40 worldwide citation)

The present invention provides a multi-band, multi-mode RFID tag that uses a single antenna structure and integrated circuit to provide asset location information at any stage of a supply chain. The unified tag design operates at multiple frequencies (or bands) using the antenna structure, for examp ...


5
Stephen Kuffner, Timothy Collins, David P Gurney, Richard S Rachwalski: Method and apparatus for source device synchronization in a communication system. Motorola, Valerie M Davis, Terri S Hughes, April 4, 2006: US07023817 (34 worldwide citation)

A communications method including the steps of: activating a plurality of signal sources, and transmitting a synchronization event to the plurality of signal sources to cause the plurality of signal sources to simultaneously transmit data in response to the synchronization event.


6
Stephen Kuffner, David P Gurney: Method and apparatus for adaptive processing gain for multiple source devices in a communications system. Motorola, Valerie M Davis, May 15, 2007: US07218641 (28 worldwide citation)

A method of dynamically adapting the number of available channels in a first set of available channels for use by at least one signal source in a communications system. The method includes the steps of computing at least one received signal statistic; determining an adjustment to the number of avail ...


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David P Gurney: Method and apparatus for generating Walsh codes. Motorola, Shawn B Dempster, May 10, 1994: US05311176 (22 worldwide citation)

A method and apparatus is provided for generating Walsh codes. A first group of address signals is generated. Subsequently, inversion control signals are generated by logically gating the first group of address signals with a second group of address signals. Finally, a Walsh code is produced by inve ...


9
Vipul Anil Desai, David P Gurney, Benson Chau: Method and apparatus for vector processing. Motorola, Kenneth A Haas, July 26, 2005: US06922716 (21 worldwide citation)

A processor includes a first vector processing unit including a first register file and first vector arithmetic logic unit; a second vector processing unit including a second register file and second vector arithmetic logic unit wherein the first register file has a first plurality of cross connecti ...


10
Apoorv Chaudhri, David P Gurney, Yadunandana N Rao: Coexistence and incumbent protection in a cognitive radio network. Motorola Solutions, Barbara R Doutre, November 15, 2011: US08060104 (20 worldwide citation)

A method (300, 400) and a communication system (104, 106, 200) for dynamic RF spectrum allocation among a plurality of RF transmitters (108, 110, 112). A message can be received from a first communication system. The message can include a request (130) for available RF spectrum over which to transmi ...



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