Parallel equalizer for DS-CDMA UWB system and method thereof

Details Parallel equalizer for DS-CDMA UWB system and method thereof Parallel equalizer for DS-CDMA UWB system and method thereof

2011-08-30

2011-08-30

Fan, Chieh M (Department: 2611)

Pulse or digital communications

Equalizers

Automatic

C375S229000, C375S231000, C375S233000, C375S147000, C375S316000, C333S018000, C333S02800T, C455S307000

Reexamination Certificate

active

08009728

ABSTRACT:
A parallel equalizer for a DS-CDMA UWB system and method thereof are provided. The parallel equalizer includes: a filter block for filtering a training input signal in a ‘training mode’, and filtering the plurality of input signals in parallel in a ‘symbol decision mode’; a symbol decision block for obtaining a symbol error based on a output from the filter block and a training symbol in the ‘training mode’, and estimating a transmission symbol for each of the input signals in the ‘symbol decision mode’, obtaining an error of one among the estimated transmission symbols for a symbol error calculating input signal; and an weight update block for updating a filter tap coefficients of the filter block based on the training input signal or the symbol error calculating input signal and the symbol error and transmitting the updated filter tap coefficients into the filter block.

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Gi-Hong Im et al; “Performance of a Hybrid Decision Feedback Equalizer Structure for CAP-Based DSL Systems.” IEEE Transactions on Signal Processing, vol. 49, No. 8, Aug. 2001.

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