AUTOMATIC CHANNEL SWITCHING METHOD FOR LOW-POWER COMMUNICATION DEVICES
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United States of America Patent
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Issued Date -
Apr 26, 2007
app pub date -
Oct 19, 2006
filing date -
Oct 19, 2005
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A method allows the transmitter to change transmission to a better channel in order to minimize transfer interference. In general, the transmitter will monitor all RF channels and tag the data frames with a preferred channel ID. Upon reception of a tag within a given data frame indicating a change in preferred transmission channel, the receiver will commence listening on the new channel. To avoid transmission lapses, the transmitter may continue to transmit on the old channel for a predetermined amount of time or number of data frames to allow the receiver enough time to switch channels without losing any frames.
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