Arrangement and method for selecting an available...

Details Arrangement and method for selecting an available... Arrangement and method for selecting an available...

H - Electricity

04

Q

325/17, 325/30,

H04Q 3/18 (2006.01) H04B 7/26 (2006.01) H04M 1/725 (2006.01)

Patent

CA 2037972

Abstract of the Disclosure A channel scanning arrangement for automatically selecting an available one from multiple communication channels with a minimum probability of interference and without delay is provided for a cordless telephone. This arrangement avoids causing and receiving interference on a channel by scanning all available channels when the cordless telephone is not in use and prioritizing these channels in the order of most recent observed activity. When a user of a handset unit associated with the cordless telephone desires to communicate with a base unit, also associated with the telephone, the handset and base units communicate briefly on the last used channel. When communication between the handset unit and the base unithas been established, the base unit moves and also causes the handset unit to move to the channel that has been unused by any other cordless telephone for the longestperiod of time. -16-

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