Equalizer and equalizing method

Details Equalizer and equalizing method Equalizer and equalizing method

2006-06-30

2010-02-02

Tran, Khai (Department: 2611)

Pulse or digital communications

Equalizers

C708S322000

Reexamination Certificate

active

07656940

ABSTRACT:
Filtering part50performs filtering by converting a received signal sampled using a predetermined number of over-samples to an over-sample number small enough to avoid frequency-domain foldover noise generation. Transmission channel estimation part60performs path timing detection by converting the received signal sampled using a predetermined number of over-samples to an over-sample number large enough to obtain sufficient timing resolution, converts transmission channel responses for each path timing to the frequency domain, and calculates transmission channel estimates corresponding to the subcarriers of the received signal in the frequency domain. Weight calculation part6receives the frequency-domain channel estimates outputted from transmission channel estimation part60and calculates the weights of the equalizing filter used in filtering part50.

REFERENCES:
patent: 2005/0265226 (2005-12-01), Shen et al.
patent: 2005/0271151 (2005-12-01), Cho et al.
patent: 2003-101503 (2003-04-01), None
D. Falconer, S.L. Ariyavisitakul, A. Benyamin-Seeyar, and B. Eidson, “Frequency Domain Equalization for Single-Carrier Broadband Wireless Systems”, IEEE Commun. Mag., vol. 40, No. 4, pp. 58-66, Apr. 2002.

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