Multi-carrier receiver with dynamic power adjustment and...

Details Multi-carrier receiver with dynamic power adjustment and... Multi-carrier receiver with dynamic power adjustment and...

2008-08-04

2010-02-16

Tse, Young T. (Department: 2611)

Pulse or digital communications

Systems using alternating or pulsating current

Plural channels for transmission of a single pulse train

Reexamination Certificate

active

07664190

ABSTRACT:
A method for dynamically adjusting the power consumption of a multi-carrier receiver and a multi-carrier receiver with dynamically power adjustment. The method includes receiving a multi-carrier signal, wherein the multi-carrier signal comprises a plurality of sub-carriers. Channel characteristics of each sub-carrier are estimated according to the demodulated multi-carrier signal. ICI strength is estimated from the demodulated multi-carrier signal. A system performance is detected. The estimated ICI is subtracted when the ICI strength exceeds an ICI threshold and the system performance is less than a system performance threshold. The demodulated multi-carrier signal is then equalized is based on the estimated channel characteristics, and the system performance is updated according to the equalized multi-carrier signal.

REFERENCES:
patent: 2006/0262869 (2006-11-01), Yoshida
patent: 2007/0053453 (2007-03-01), Yeh et al.
patent: 2008/0225936 (2008-09-01), Hong et al.
patent: 2008/0317153 (2008-12-01), Sadek et al.
patent: 2009/0225913 (2009-09-01), Nakahara et al.
patent: 1624622 (2006-02-01), None
DE Office Action mailed Feb. 23, 2009.
English abstract of DE Office Action mailed Feb. 23, 2009.

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