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Adaptive bit allocation for space-time block coded OFDM system

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2 Author(s)
Torabi, M. ; Dept. of Electr. & Comput. Eng., Concordia Univ., Montreal, Que., Canada ; Soleymani, M.R.

A new scheme consisting of a combination of adaptive bit allocation, space-time block coded-OFDM and antenna selection is presented. The proposed scheme, exploits the benefits of space-time block codes, OFDM and adaptive bit allocation to provide high quality of transmission for wireless communications over frequency selective multipath channels with enhanced performance in terms of spectral and power efficiency. The system performance of non-adaptive OFDM, adaptive OFDM, non-adaptive STBC-OFDM, and the proposed adaptive STBC-OFDM are evaluated and compared. It is shown that the proposed scheme can greatly improve the performance of non-adaptive STBC-OFDM system.

Published in:

Acoustics, Speech, and Signal Processing, 2003. Proceedings. (ICASSP '03). 2003 IEEE International Conference on  (Volume:4 )

Date of Conference:

6-10 April 2003