Low-complexity joint symbol CCK decoder

Details Low-complexity joint symbol CCK decoder Low-complexity joint symbol CCK decoder

2006-09-26

2006-09-26

Kim, Kevin (Department: 2611)

Pulse or digital communications

Receivers

Angle modulation

C375S347000

Reexamination Certificate

active

07113553

ABSTRACT:
A method is provided for mitigating the multipath interference experienced by a present CCK symbol. This method first obtains a set of initial candidates for the present CCK symbol and a set of initial candidates for the next CCK symbol based on the ICI-corrected correlation outputs for the present and next CCK symbols, respectively. The method then obtains, for each of the candidates for the present CCK symbol, first ISI-mitigated correlation outputs where both the ICI due to the present CCK symbol and the ISI due to the next CCK symbol have been corrected. Thereafter, for each of the candidates for the present CCK symbol, and based on the first ISI-mitigated correlation outputs, the method obtains second ISI-mitigated correlation outputs where the ISI due to the previous CCK symbol has also been corrected. The present CCK symbol is then decoded based on the second ISI-mitigated correlation outputs.

REFERENCES:
patent: 6977974 (2005-12-01), Geraniotis et al.
patent: 2001/0036223 (2001-11-01), Webster et al.
patent: 2003/0123585 (2003-07-01), Yen
patent: 2003/0147478 (2003-08-01), Chang et al.
patent: 2004/0091023 (2004-05-01), Chen et al.

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