Method and apparatus for equalization in fast varying mobile...

Details Method and apparatus for equalization in fast varying mobile... Method and apparatus for equalization in fast varying mobile...

H - Electricity

04

B

H04B 7/26 (2006.01) H04L 25/03 (2006.01)

Patent

CA 2065167

In an apparatus for equalization in fast varying mobile radio channels, a signal generating circuit outputs a signal sequence undergoing transition at a predetermined period and corresponding to each state transition and a signal sequence corresponding to the path of each state transition. An adaptive filter receives the signal sequence corresponding to each state transition and outputs an estimated signal for each state transition. The apparatus also includes state estimating circuits for performing state estimation by using the square of an estimation error obtained by subtracting each estimated signal from a sampled signal, and a control circuit for controlling the tap coefficient of the adaptive filter by using the RLS algorithm in order to minimize the square of the estimation error.

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