Pulse or digital communications – Systems using alternating or pulsating current – Antinoise or distortion
Reexamination Certificate
2003-05-22
2008-12-02
Ghayour, Mohammad (Department: 2611)
Pulse or digital communications
Systems using alternating or pulsating current
Antinoise or distortion
C375S346000, C714S758000, C714S800000, C714S775000
Reexamination Certificate
active
07460610
ABSTRACT:
A communication system includes a transmitter and a receiver. The transmitter transmits a signal encoded by a low-density parity-check (LDPC) coding. The receiver includes a decoder, a phase error estimator, and a correction unit. The decoder decodes the signal at a plurality of sampling points using a single iteration of sum-product decoding. The phase error estimator estimates a phase error of the signal using minimum mean square error (MMSE) estimation and soft decision information obtained by the sum-product decoding. The correction unit corrects the signal using the phase error.
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Birch & Stewart Kolasch & Birch, LLP
Ghayour Mohammad
Malek Leila
Mitsubishi Electric Corporation
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