Decoding method and system for real-time wireless channel...

Details Decoding method and system for real-time wireless channel... Decoding method and system for real-time wireless channel...

2011-07-05

2011-07-05

Payne, David C. (Department: 2611)

Pulse or digital communications

Receivers

Particular pulse demodulator or detector

C375S316000

Reexamination Certificate

active

07974368

ABSTRACT:
A decoding method and system for real-time wireless channel estimation, which decodes a received signal with a noise. The received signal is coded by a concatenation code. At first, the received signal is performed a certain amount of decoding by a Max-Log-MAP decoding procedure. Next, an estimated amplitude of the received signal and an estimated variance of a noise are computed. Then, the received signal is adjusted in accordance with the estimated amplitude and the estimated variance to thereby produce an adjusted received signal. Finally, the adjusted received signal is decoded by a Log-Map decoding procedure.

REFERENCES:
patent: 6393257 (2002-05-01), Holtzman
patent: WO 2005062473 (2005-07-01), None
Mohammad Ali Khalighi, “Effect of Mismatched SNR on the Performance of Log-MAP Turbo Detector,”IEEE, vol. 52, No. 5, pp. 1386-1397, Sep. 2003.

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