MIMO underwater acoustic communications by using a quasi-orthogonal group space-time architecture

Chen Zhang,Hui-Ling Zhu,Feng-Xiang Ge,Lin Dai

doi:10.1109/icsp.2016.7877881

MIMO underwater acoustic communications by using a quasi-orthogonal group space-time architecture

Chen Zhang, Hui-Ling Zhu + Show 2 more

https://doi.org/10.1109/icsp.2016.7877881

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Publication Date: Nov 1, 2016

Affiliation: Beijing Normal University, University of Kent, City University of Hong Kong

#Multiple-Input Multiple-Output Underwater Acoustic Communications #Multiple-Input Multiple-Output Systems + Show 8 more

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Abstract

Multiple-Input Multiple-Output (MIMO) systems have been widely applied to underwater acoustic (UWA) communications with promising results. However, the tradeoff between diversity and multiplexing gains in MIMO systems over underwater acoustic channel is less discussed. In this paper, a quasi-orthogonal group space-time (QoGST) scheme by combining space-time coding (STC) and layered space-time (LST) architecture is presented for better diversity and multiplexing gains in MIMO underwater acoustic communications. Simulation results show the presented solution has better performance when compared to the Group Layered Space-Time (GLST) scheme.

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