Multi-channel frequency domain equalizer for radio frequency...

Pulse or digital communications – Equalizers

Reexamination Certificate

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C375S232000, C375S346000

Reexamination Certificate

active

06999508

ABSTRACT:
A multichannel frequency domain equalizer improves the subchannel signal to noise ratio by canceling correlated noise that is caused by deterministic spreading at the receiver that introduces correlation into the subchannel noise vector.

REFERENCES:
patent: 5901180 (1999-05-01), Aslanis et al.
patent: 6005893 (1999-12-01), Hyll
patent: 6047025 (2000-04-01), Johnson et al.
patent: 6097763 (2000-08-01), Djokovic et al.
patent: WO 98/10555 (1998-03-01), None
Per tone equalization for DMT receivers □□Van Acker, K; Leus, G.; Moonen, M.; van de Wiel, O.; Pollet, T.; □□Global Telecommunications Conference, 1999. GLOBECOM '99, vol.: 5 , 1999 □□Page(s): 2311-2315 vol. 5.
Ammari, Mohamed L., et al., “Performance of Sub-Carrier Synchronized OFDM,” Vehicular Technology Conference Proceedings, Tokyo, Japan, May 15-18, 2000, IEEE Vehicular Technology Conference, New York, NY, vol. 1, Conf. 51, May 15, 2000, pp. 225-229, XP000970613.

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