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A new differential space time coded OFDM system

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3 Author(s)
Zhengrong Xiao ; Inf. Eng. Sch., Beijing Univ. of Posts & Telecommun., China ; Shaogang Zhao ; Weiling Wu

This paper provides a new differential space-time block code (DSTBC) coded OFDM system. The new DSTBC scheme provides a differential coding gain due to redundancy introduced in the differential encoding. Simulation results show that the new DSTBC-OFDM system can provide a better performance than traditional DSTBC coded OFDM system in frequency selective fading channels, and can improve about 1 dB in high SNR.

Published in:

Emerging Technologies: Frontiers of Mobile and Wireless Communication, 2004. Proceedings of the IEEE 6th Circuits and Systems Symposium on  (Volume:2 )

Date of Conference:

31 May-2 June 2004