Frame phase estimation method and circuit

Details Frame phase estimation method and circuit Frame phase estimation method and circuit

H - Electricity

04

B

325/120

H04B 1/16 (2006.01) H04L 7/04 (2006.01) H04L 27/22 (2006.01)

Patent

CA 2035774

A frame phase estimation method and circuit for estimating the phase of a received digital signal in which the lead phase of the received signal is successively delayed by an amount equal to a sample period of the signal, cross-correlation values for each delayed signal with respect to a known transmission pattern are calculated, and a predetermined number of cross-correlation values of subsequent phases are added to the cross-correlation value of each initial phase. The true initial phase of the signal is estimated to be the initial phase corresponding to the maximum sum of cross-correlation values.

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