2002•Unpublished venueRequires access

Selective RAKE diversity in multipath fading with arbitrary power delay profile

Moe Z. Win, George Chrisikos, Andreas F. Molisch, N.R. Sollenberger

Abstract

We develop an analytical framework to quantify the effects of the spreading bandwidth on spread spectrum systems operating in multipath environments with arbitrary power delay profile. The focus of the paper is to characterize the symbol error probability (SEP) performance of a RAKE receiver tracking the L strongest multipath components in frequency-selective Rayleigh fading. By transforming the physical RAKE receiver with correlated ordered paths into the domain of a "virtual RAKE" receiver with conditionally independent virtual paths, analytical expressions for the SEP are derived in terms of the spreading bandwidth, multipath spread of the channel and the number of combined paths.

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Key concepts: Rake receiver, Delay spread, Multipath propagation, Fading, Computer science, Spread spectrum, Bandwidth (computing), Rake