Methods and apparatuses for reception of frequency-hopping spread spectrum radio transmissions
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United States of America Patent
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Sep 23, 2014
Grant Date -
Sep 27, 2012
app pub date -
Mar 21, 2012
filing date -
Mar 24, 2011
priority date (Note) -
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status (Latency Note)
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Abstract
A frequency-agile radio receiver controlled by a radio controller hops through a plurality of radio frequencies where discrete frequency-hopping spread spectrum digital transmissions may exist, where the transmitter's hopping sequence is not known, and where it is not necessary to receive every transmission of interest. The controller accumulates counters of the number of transmissions of interest it receives at each of a plurality of frequencies. It then creates a new frequency-hopping sequence consisting primarily of those frequencies whose received transmission counts exceed a certain threshold. The controller continues to tune the receiver in a hopping pattern, allocating more of the receiver's time to those frequencies where more transmissions have been received in the past. Doing so improves the likelihood that transmissions of interest will be received in the future.
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