Methods and apparatus for use in reducing residual phase...

Details Methods and apparatus for use in reducing residual phase... Methods and apparatus for use in reducing residual phase...

2005-06-27

2009-06-16

Liu, Shuwang (Department: 2611)

Pulse or digital communications

Systems using alternating or pulsating current

Plural channels for transmission of a single pulse train

C375S285000

Reexamination Certificate

active

07548587

ABSTRACT:
Methods and apparatus for use in reducing residual phase error (RPE) in orthogonal frequency division multiplexed (OFDM) communication signals are described. One method includes the steps of calculating a phase of each one of a plurality of channel-compensated data symbols to generate a plurality of data symbol phases; performing a hard-decision on each one of the plurality of channel-compensated data symbols to estimate a plurality of information symbols; calculating a phase of each one of the plurality of information symbols to generate a plurality of information symbol phases; calculating a phase difference between each data symbol phase and its associated information symbol phase to generate a plurality of phase differences; and determining a residual phase error based on the plurality of phase differences.

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Machine Translation of FR 2,721,778 Specification(original language text obtained from http://v3.espacenet.com/textdes?DB=EPODOC&IDX=FR2721778&QPN=FR2721778) and translation generated by (Google Translate).

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