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An Adaptive MIMO - OFDM System: Design and Performance Evaluation

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2 Author(s)
Jimenez, V.P.G. ; Univ. Carlos III de Madrid, Getafe ; Armada, A.G.

In this paper an adaptive MIMO-OFDM system including efficient feed-back information schemes is proposed. The paper examines several techniques for compressing feed-back data in a 2 x 2 MIMO-OFDM system. Besides, since feed-back data are very sensitive to errors and moreover are compressed, the paper evaluates the degradation on the overall achievable throughput due to errors in feed-back. The proposal is analyzed and validated by simulations. As a conclusion of the work it can be confirmed that it is possible to implement an adaptive MIMO-OFDM system for cellular systems where the feed-back data rate is considerably compressed and therefore the efficiency is not compromised.

Published in:

Wireless Communication Systems, 2006. ISWCS '06. 3rd International Symposium on

Date of Conference:

6-8 Sept. 2006