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Constant-modulus Preamble Design for MIMO-OFDM Systems

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2 Author(s)
Qingyu Zhu ; Dept. of ECE, Iowa Univ., Iowa City, IA ; Liu, Zhiqiang

A new preamble design for MIMO-OFDM is proposed in this paper. Based on the Chu sequence, the proposed preamble can be used to achieve frequency offset estimation, fine time offset estimation, and optimal least-squares channel estimation. In addition, since the preamble has constant modulus, it has low peak-to-average power ratio. Furthermore, channel estimation can be done through simple phase and magnitude justification, and enjoys low computational complexity

Published in:

Acoustics, Speech and Signal Processing, 2006. ICASSP 2006 Proceedings. 2006 IEEE International Conference on  (Volume:4 )

Date of Conference:

14-19 May 2006