Channel estimation method and system using linear...

Details Channel estimation method and system using linear... Channel estimation method and system using linear...

2011-04-26

2011-04-26

Ghayour, Mohammad H (Department: 2611)

Pulse or digital communications

Receivers

Particular pulse demodulator or detector

C375S233000, C375S142000, C375S144000, C375S148000, C375S150000, C324S618000, C704S216000, C704S217000, C704S218000, C704S219000, C359S561000

Reexamination Certificate

active

07933366

ABSTRACT:
A channel estimation method and system using linear correlation based interference cancellation combined with decision-feedback-equalization (LCIC-DFE) are provided. The channel estimation method includes generating a first correlation sequence by calculating a linear correlation between a baseband sampled complex signal and a locally stored pseudo-noise signal and obtaining a second correlation sequence by iteratively removing inter-path interference from the first correlation sequence and generating a first channel impulse response (CIR) sequence based on the second correlation sequence. And, obtaining a third correlation sequence by removing random-data interference from the second correlation sequence based on the first CIR sequence and a feedback signal and generating a second CIR sequence based on the third correlation sequence.

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Song, B., “On Channel Estimation and Equalization in TDS-OFDM based Terrestrial HDTV Broadcasting System”, Aug. 2005, Consumer Electronics, IEEE Transaction, vol. 51, pp. 790-797.

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