Impulsive noise suppression scheme in orthogonal frequency...

Details Impulsive noise suppression scheme in orthogonal frequency... Impulsive noise suppression scheme in orthogonal frequency...

2006-06-06

2010-12-21

Hoang, Thai D (Department: 2463)

Multiplex communications

Communication over free space

Combining or distributing information via code word channels...

C370S479000, C370S441000, C455S063100, C455S067130, C455S114200, C375S260000

Reexamination Certificate

active

07856005

ABSTRACT:
This invention provides an impulsive noise suppression method in orthogonal frequency division multiplexing. The method comprises an equalization and de-mapping step for estimating a preliminary estimation of signal and a total noise estimation by utilizing ideal channel estimation, de-mapping, and pilot insertion technique on received signal; and a SNR comparison step for determining a SNR by dividing said preliminary estimation of signal and said total noise estimation and comparing said SNR with a threshold value.

REFERENCES:
patent: 7643574 (2010-01-01), Roh et al.
patent: 2003/0086371 (2003-05-01), Walton et al.
patent: 2004/0086027 (2004-05-01), Shattil
patent: 2005/0190825 (2005-09-01), Sedarat
patent: 2008/0260052 (2008-10-01), Hayashi

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