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http://hdl.handle.net/10397/13812| Title: | On combining schemes for W-CDMA RAKE reception in the presence of interpath interference | Authors: | Tantikovit, S Wang, MZ Sheikh, AUH |
Keywords: | Adjacent channel interference Cochannel interference Code division multiple access Diversity reception Optimisation Probability Radio receivers Spread spectrum communication |
Issue Date: | 2001 | Publisher: | IEEE | Source: | 2001 IEEE Third Workshop on Signal Processing Advances in Wireless Communications, 2001 : (SPAWC '01), March 2001, Taiwan, p. 5-8 How to cite? | Abstract: | In Tantikovit et al., (2000), we presented a signal model for interpath interference (IPI) in low spreading factor long-code wideband-CDMA (W-CDMA) systems and showed that the impact of IPI can be decomposed into branch correlation and co-channel interference similar to those in an adaptive array system. We consequently derived optimum and suboptimum combining schemes for the RAKE receiver, which provide significant improvement over the conventional maximum-ratio combining. In this paper, we derive the theoretical probability density function (pdf) of the signal-to-interference-plus-noise ratio and outage probability of the optimum combining scheme in a semi-analytical fashion. The obtained analytical results closely agree with simulation results | URI: | http://hdl.handle.net/10397/13812 | ISBN: | 0-7803-6720-0 | DOI: | 10.1109/SPAWC.2001.923828 |
| Appears in Collections: | Conference Paper |
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