Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
January 11, 2011
Patent Application Number
11067874
Date Filed
February 28, 2005
Patent Citations Received
Patent Primary Examiner
Patent abstract
A symbol sequence contained in a received signal comprising a cyclic convolution of a Walsh code multiplexed signal and a channel impulse response of a multipath channel is detected using Walsh Hadamard domain equalization techniques. The method comprises converting the received signal and the channel impulse response of the multipath channel from the time domain to the WHT domain, and determining the symbol sequence based on equalizing the received signal in the WHT domain using WHT spectra of the channel impulse response to remove inter-symbol interference from the received signal due to cross-correlation between Walsh codes.
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