OFDM receiver and OFDM signal receiving method

Details OFDM receiver and OFDM signal receiving method OFDM receiver and OFDM signal receiving method

2011-04-19

2011-04-19

Bayard, Emmanuel (Department: 2611)

Pulse or digital communications

Systems using alternating or pulsating current

Plural channels for transmission of a single pulse train

C375S316000

Reexamination Certificate

active

07929628

ABSTRACT:
An OFDM receiver may include OFDM-signal receiving means for receiving an orthogonal frequency division multiplexing (OFDM) signal; channel-characteristic estimating means for estimating a channel characteristic using pilot signals in the OFDM signal received by the OFDM-signal receiving means; and transmission-distortion compensating means for applying, on the basis of the channel characteristic estimated by the channel-characteristic estimating means, processing for compensating for transmission distortion to the OFDM signal received by the OFDM-signal receiving means. The channel-characteristic estimating means may include plural kinds of time-direction-channel estimating means used for the estimation of a channel characteristic, and switching control means for switching these estimating means according to a state of a channel.

REFERENCES:
patent: 2003/0072395 (2003-04-01), Jia et al.
patent: 2004/0252629 (2004-12-01), Hasegawa et al.
patent: 2006/0285599 (2006-12-01), Seki et al.
patent: 2007/0030798 (2007-02-01), Okada
patent: 2007/0230635 (2007-10-01), Wilhelmsson et al.
patent: 2009/0213948 (2009-08-01), Ma et al.
Receiver for Digital Terrestrial Sound Broadcast Standard (Desirable Specification) ARIB STD-B30, Association of Radio Industries and Businesses (2000).
Transmission System for Digital Terrestrial Sound Broadcasting, ARIB STD-B29, Association of Radio Industries and Businesses (1999).

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