Methods and apparatuses for channel assessment

Details Methods and apparatuses for channel assessment Methods and apparatuses for channel assessment

2007-09-11

2010-06-08

Harper, Kevin C (Department: 2462)

Pulse or digital communications

Spread spectrum

Frequency hopping

C370S241000, C370S433000

Reexamination Certificate

active

07733938

ABSTRACT:
An embodiment of an apparatus for channel assessment is provided, comprising a radio frequency (RF) unit, a baseband unit and a microprocessor control unit (MCU). The baseband unit coupling to the RF unit directs the RF unit to selectively hop into one of a plurality of available channels in a frequency band using a pseudorandom sequence to receive a plurality of packets via the hopped channel. The MCU coupling to the baseband unit accumulates a measure for the hopped channel according to reception results of the packets and marks the hopped channel as a bad channel when the accumulated measure exceeds a predetermined threshold. The measure represents the inaccuracy extent during packet reception via the hopped channel.

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PCT Search Report mailed Nov. 13, 2008.
English abstract of CN1437329.

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