Diversity reception method and diversity receiver

Details Diversity reception method and diversity receiver Diversity reception method and diversity receiver

H - Electricity

04

B

H04B 7/02 (2006.01) H04B 7/08 (2006.01) H04L 1/06 (2006.01) H04L 12/56 (2006.01)

Patent

CA 2297511

A diversity receiver having n (integer of 2 or more) antenna branches for receiving a packet made up of a preamble field and data field includes n first switches, second switch, packet detection circuit, and demodulation section. The n first switches receive signals respectively received by the n antenna branches and a "packet receive pulse" representing that a packet is being received, and change the output destination based on the "packet receive pulse". The second switch receives an antenna switching signal and outputs from the n first switches, and when no "packet receive pulse" is output, selects and outputs the outputs from the n first switches based on the antenna switching signal. The packet detection circuit receives an output from the second switch, and when a packet is being received, outputs a "packet receive pulse". The demodulation section receives and demodulates all or some of the outputs from the n first switches when a "packet receive pulse" is input. A diversity reception method is also disclosed.

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