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Performance of multicarrier CDMA systems with improved pilot-aided channel estimation

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3 Author(s)
Deolinda Fontes Cardoso ; Center of Naval System Analysis (CASNAV) - Brazilian Navy, Brazil ; Fabian David Backx ; Raimundo Sampaio-Neto

This research investigates a simple procedure to improve the channel frequency response estimate for orthogonal multicarrier CDMA systems. The improvement is achieved by means of a precomputed matrix that projects the original discrete frequency response onto the subspace where the true frequency response lies. Analytical and computer simulations results reveal that the improvement on channel estimation has a higher impact on MC-CDMA performance than MC-DS-CDMA.

Published in:

Wireless On-Demand Network Systems and Services, 2009. WONS 2009. Sixth International Conference on

Date of Conference:

2-4 Feb. 2009