Rake receiver with embedded decision feedback equalizer

Details Rake receiver with embedded decision feedback equalizer Rake receiver with embedded decision feedback equalizer

H - Electricity

04

B

H04B 1/707 (2006.01) H04L 25/03 (2006.01)

Patent

CA 2299767

The performance of a RAKE receiver for indoor multipath WLAN applications on direct sequence spread spectrum signals having relatively short codeword lengths is enhanced by embedding a decision feedback equalizer structure in the signal processing path through the receiver's channel matched filter and codeword correlator. The decision feedback equalizer serves to cancel both inter-codeword interference (ISI) or 'bleed-over' between codewords, and infra-codeword chip interference (ICI) or smearing of the energy within the chips of a respective codeword.

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