Method and apparatus for channel estimation

Details Method and apparatus for channel estimation Method and apparatus for channel estimation

2006-04-17

2009-10-13

Wang, Ted M (Department: 2611)

Pulse or digital communications

Systems using alternating or pulsating current

Plural channels for transmission of a single pulse train

C375S316000, C375S340000, C375S350000

Reexamination Certificate

active

07602853

ABSTRACT:
The invention relates to DVB-T system, and in particular, to a channel estimation method for OFDM symbols. A plurality of symbols are received to generate a pilot response. A finite impulse response is generated from the pilot response. A coefficient table is selected based on the characteristics of the finite impulse response. The channel is estimated by interpolating the pilot response based on the coefficient table.

REFERENCES:
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patent: 7016298 (2006-03-01), Akiyama et al.
patent: 7248559 (2007-07-01), Ma et al.
patent: 7286466 (2007-10-01), Chen et al.
patent: 2004/0188399 (2004-09-01), Smart
patent: 1221793 (2002-07-01), None
patent: 1335552 (2003-08-01), None

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