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Multimedia Transmission over Wireless Space-Time-Frequency coded OFDM Systems with Adaptive Beamforming

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3 Author(s)
Athanasiadis, T. ; Sch. of Electr. & Commun. Eng., RMIT Univ., Melbourne, Vic. ; Lin, K.H. ; Hussain, Z.M.

The transmission of multimedia data over wireless systems generally require network devices designed with a high communication bandwidth, power, and processing resources. To deal with these bottlenecks commonly associated with multimedia transmission, various diversity coding schemes have been proposed. We have previously shown that wireless OFDM systems based on space-time block-coding with adaptive beamforming (STBC-OFDM-AB) are well suited to multimedia communication. Recent studies have shown further performance gains in systems utilizing space-time-frequency (STF) coding. In this paper, we introduce a transmission system which combines STF coding with adaptive beamforming (STF-OFDM-AB). Simulation results based on the transmission of compressed images showed that the performance improvements introduced by STF-OFDM-AB can be readily observed

Published in:

Communications, 2006. APCC '06. Asia-Pacific Conference on

Date of Conference:

Aug. 31 2006-Sept. 1 2006