Dynamic demodulator selection based on channel quality

Details Dynamic demodulator selection based on channel quality Dynamic demodulator selection based on channel quality

2011-03-01

2011-03-01

Odom, Curtis B (Department: 2611)

Pulse or digital communications

Receivers

C375S324000, C375S325000, C375S340000, C329S315000, C329S316000, C329S317000, C327S348000

Reexamination Certificate

active

07899134

ABSTRACT:
In general, this disclosure describes techniques for demodulating wireless signals. In particular, the techniques of this disclosure dynamically select between two or more demodulators based on channel quality information measured over a plurality of measurement periods. For example, a wireless communication device (WCD) may switch from a first demodulator to a second demodulator when the channel quality information associated with the demodulators indicates a better channel quality for the second demodulator than the first demodulator for a consecutive number of measurement periods. As another example, the WCD may compute, for each measurement period, the difference between the channel quality information associated with each of the demodulators, sum the differences, and switch demodulators when the total accumulation of the differences exceeds a threshold.

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International Search Report—PCT/US07/079580, International Search Authority—European Patent Office—Mar. 3, 2008.

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