Doug Dunn

Systems and methods for motion sensitive roaming in a mobile communication device

Pilot signal transmission management

DETECTING THE PRESENCE OF MULTIPLE COMMUNICATION ACCESS TECHNOLOGIES

System and method for efficient push-to-talk communications

Apparatus, system, and method for location information management in a portable communication device

Apparatus, system, and method for transmission antenna switching in a portable communication device

ANTENNA SYSTEM HAVING PLURAL SELECTABLE ANTENNA FEED POINTS AND METHOD OF OPERATION THEREOF

System and method for call processing in a mobile device with position location capability

Systems and methods for selecting an antenna configuration in a mobile communication device

System scanning method and arrangement for mobile wireless communication devices