Performance analysis for keyhole channel of a quaternion quasi-orthogonal space time block code

Authors:
Li Zhengquan;Shen Lianfeng;Song Tiecheng
Affiliations:
Southeast University, Nanjing, Jiangsu, China;Southeast University, Nanjing, Jiangsu, China;Southeast University, Nanjing, Jiangsu, China
Venue:
Proceedings of the 2009 International Conference on Wireless Communications and Mobile Computing: Connecting the World Wirelessly
Year:
2009

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Abstract

Performance analysis for keyhole channel of a new kind of quaternion quasi-orthogonal space time block code is introduced in this paper. First the transmission model is formulated. Then the new code of four transmit antennas is designed, the new code can provide full transmission rate. And zero-forcing linear decoding method is adopted. Lastly the new code is compared with the quaternion quasi-orthogonal space-time block code of four transmit antennas for Rayleigh channel and with the traditional quasi-orthogonal space-time block code of four transmit antennas for keyhole channel. Simulation results show that the new code can increase bit error rate compared with the quaternion quasi-orthogonal space-time block code for Rayleigh channel, and can reduce bit error rate compared with the traditional quasi-orthogonal space-time block code for keyhole channel.