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Mansfield; Carl
Portland, OR
No. of patents:

Patent Number Title Of Patent Date Issued
6859450 Method for coordinated collision avoidance in multi-transceiver frequency hopping wireless devic February 22, 2005
An improved method for preventing collisions in a multi-transceiver access point for use with frequency hopping RF transceivers includes determining the next channel frequencies to be used by each transceiver in the access point; and permitting only one transceiver to transmit on any par
6704346 Method and apparatus to provide improved microwave interference robustness in RF communications March 9, 2004
A RF communications system and method having improved RF interference characteristics for use with at least a pair of RF transceivers which communicate using a packet transfer protocol, in a frequency hopping scheme, wherein the packets may be of various lengths, wherein each frequen
6556825 Method and apparatus for automatic adaptation of communications systems to regional spectrum var April 29, 2003
A method of configuring an RF transceiver to receive a geographic-region specific message within a RF signal from a communications network, includes detecting the geographic-region specific message in a first RF transceiver operating in a first RF frequency spectrum; associating the
6301249 Efficient error control for wireless packet transmissions October 9, 2001
A method of transmission error control includes transmitting at least one frame of packet data to a receiving entity during each of a plurality of time frames, and receiving a plurality of responsive messages from the receiving entity. Each of the responsive messages identifies frames of
6243365 Continuation control for wireless packet data June 5, 2001
A method for transmission continuation control includes establishing a physical transmission link between a first entity and a second entity, and transmitting a first user message from one of the first and second entities to the other of the first and second entities. The method also

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