E.f. Johnson Company

Efj, Inc.

John Livdahl

Dana Lynn Simonson

Rory A Smith

Linda M Trine

A method and apparatus for selecting a preferred signal from homogenous streams of a subscriber call in an analog or mixed mode wireless communication network. The method and apparatus have particular significance to un-decoded analog radio packets which require digital signal processing to decode at least their signaling information. The method allocates at least one stream with the best signal qualities to real-time full-decoding in a DSP, and allocates lower quality streams to non-real time burst decoding in the same or another DSP. As signaling quality changes in the homogenous streams, the full-decoding can be re-allocated to a now higher quality stream. Burst decoding lower quality streams allows for more efficient use of DSP processing power and allows more streams to be processed without significant affect on audio content or quality.

Voting comparator method, apparatus, and system using a limited number of digital signal processor modules to process a larger number of analog audio streams without affecting the quality of the voted audio stream

An Internet protocol (IP) packet switching communication system using real time transport protocol (RTP). Control packets map group identification codes to a multicast address on a network. Control packets are distributed on the network using simple object access protocol (SOAP) messages with extensible markup language (XML) payloads. Mapping may include dynamic or static functions. Multicast address data is distributed among routers. A message from a caller is multicast by the routers, based on the multicast address, to one or more destinations.

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Waseca, MN, United States of America

John Livdahl