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Optimal pilot design for multipath channel estimation of a single carrier cyclic prefix-assisted CDMA system

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3 Author(s)
Kai Yang ; Inst. for Commun. Res., Singapore, Singapore ; A. Madhukumar ; F. Chin

This paper investigates the effects of pilot choice for the channel estimation of the single carrier cyclic prefix-assisted CDMA system. The optimal pilot problem for die least square channel estimation is formed as a discrete optimization problem. Because the computation to Find the optimal solution is too huge the heuristic method is applied to get several sub-optimal pilots. Different equalization methods are also applied to test the channel estimation performance. The simulation results demonstrate that even the sub-optimal pilots can give more accurate estimation of the channel and improve the system performance considerably.

Published in:

Communication Systems, 2002. ICCS 2002. The 8th International Conference on  (Volume:1 )

Date of Conference:

25-28 Nov. 2002