Scaling using gain factors for use in data detection

Pulse or digital communications – Spread spectrum – Direct sequence

Reexamination Certificate

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C375S350000

Reexamination Certificate

active

11408411

ABSTRACT:
Data is estimated from a received vector comprising a plurality of communications. A received wireless signal is converted to a baseband signal, which is sampled to produce a received vector. Channel responses are estimated for the received communications. The noise variance is estimated. The noise variance is scaled by a scaling factor. Samples are processed using the estimated channel responses and the scaled noise variance to produce a spread data vector. The spread data vector is despread to recover the data of the received wireless signal.

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