Pulse or digital communications – Receivers – Particular pulse demodulator or detector
Reexamination Certificate
2005-04-15
2008-10-28
Liu, Shuwang (Department: 2611)
Pulse or digital communications
Receivers
Particular pulse demodulator or detector
C375S229000
Reexamination Certificate
active
07443931
ABSTRACT:
In a channel estimation method, an input signal is received. The input signal is then sliced to obtain a sliced signal. The multiplication of the input signal and the ithdelayed sliced signal are accumulated to obtain a cross-correlation value. The energy of the sliced signal is measured. The ithchannel parameter of a channel response is estimated according to the division of the cross-correlation value by the energy of the sliced signal. A channel estimator performing channel estimation is also provided.
REFERENCES:
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patent: 5272727 (1993-12-01), Okanoue
patent: 5513221 (1996-04-01), Parr et al.
patent: 2003/0046064 (2003-03-01), Moriya et al.
patent: 2004/0100898 (2004-05-01), Anim-Appiah et al.
Chang Chiao-Chih
Liou Ming-Luen
Liu Shuwang
McKie Gina
Mediatek Incorporation
Thomas Kayden Horstemeyer & Risley
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