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Performance evaluation of RAKE receiver for cellular CDMA systems

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2 Author(s)
Tai Hyun Kim ; Dept. of Electron. Commun. Eng., Hanyang Univ., Seoul, South Korea ; Koung Yearl Han

The paper presents closed form expressions for calculating the performance of a practical RAKE receiver. To solve the statistical problem encountered when deriving the performance, the pdf of ZL was first derived, which was defined as the sum of the largest μ samples among L identically and exponentially distributed random variables, by invoking order statistics. Using the pdf of ZL, the average BER of the power controlled single cell CDMA system was obtained The results show that the performance improves as the number of PN correlators, μ increases. However as the number of μ increases one by one, the performance improvement becomes narrower and narrower. Finally, we can also find that performance improves as the number of resolvable paths of channel increases at the same fixed number of correlators

Published in:

TENCON '94. IEEE Region 10's Ninth Annual International Conference. Theme: Frontiers of Computer Technology. Proceedings of 1994

Date of Conference:

22-26 Aug 1994