Exploiting time diversity to improve block spread OFDM in a multipath environment

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Conference Proceeding
Proceedings - 2006 International Conference on Information and Communication Technologies: From Theory to Applications, ICTTA 2006, 2006, 2 pp. 2444 - 2449
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© 2006 IEEE. This paper presents a new method to improve on block spread OFDM by exploiting time diversity to ensure that the blocks are independent and uncorrelated in a multipath environment. While BSOFDM utilizes frequency diversity to significantly improve on OFDM in frequency selective channel, this did not improve during flat fading channel which does occur during transmission. Our work has also shown that this improvement is also true in multipath transmission. By exploiting time and frequency diversity, BSOFDM is improved significantly over conventional BSOFDM and conventional OFDM.
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