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An Adaptive Near-far Resistant Single-user Channel Estimation Algorithm for Multipath Fading DS-CDMA Systems

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5 Author(s)
Rizaner, A. ; Eastern Mediterranean Univ., Magosa ; Amca, H. ; Hacioglu, K. ; Ulusoy, A.H.
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Channel estimation techniques for CDMA systems need to combat multiple access interference and near-far effects to improve the estimation performance. Linear single-user MMSE detector has certain advantages with respect to near-far problem. In this paper, single-user MMSE detector is used to develop an iterative near-far resistant radio channel estimation algorithm. Computer simulation results demonstrate that a significant performance improvement against conventional single-user estimator can be achieved with the developed method especially under extreme near-far conditions.

Published in:

Wireless and Mobile Communications, 2006. ICWMC '06. International Conference on

Date of Conference:

29-31 July 2006

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