Finger assignment schemes for RAKE receivers with multiple-way soft handover
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We propose and analyze new finger assignment techniques that are applicable for RAKE receivers in the soft handover (SHO) region. Specifically, extending the results for the case of two-base station (BS), we consider the multi-BS situation, attack the statistics of several correlated generalized selection combining (GSC) stages, and provide closed-form expressions for the statistics of the output signal-to-noise ratio (SNR). By investigating the tradeoff among the error performance, the average number of required path estimations/ comparisons, and the SHO overhead, we show through numerical examples that the new schemes offer commensurate performance in comparison with more complicated GSC-based diversity systems while requiring a smaller estimation load and SHO overhead. 2008 IEEE.
IEEE Transactions on Wireless Communications
author list (cited authors)
Seyeong Choi, .., Alouini, M., Qaraqe, K. A., & Hong-Chuan Yang.
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