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A novel approach of Doppler spectrum reconstruction based on iterative adaptive algorithm (IAA) for Multi-Input Multi-Output Synthetic Aperture Radar (MIMO SAR) is proposed. Firstly, the mathematical representation of the ambiguous Doppler spectrum is established, and the relationships of the Doppler signals among different transmit-receive pairs are derived. Based on the derivation aforementioned,...
This paper studies the massive MIMO full-duplex relaying (FDR), where multiple source-destination pairs communicate simultaneously with the help of a common full-duplex relay equipped with very large antenna arrays. In contrast to the conventional MIMO system, massive MIMO must be built with low-cost components which are prone to hardware impairments. In this paper, the effect of hardware impairments...
We develop a new Gaussian multiple-input multiple-output (MIMO) relay multiple access channel (RMAC) model with two sources and one destination. We determine an inner bound on the capacity of the RMAC under full-duplex decode-and-forward (DF) strategy. A power allocation scheme is proposed to achieve the inner bound. Analytical results and simulation results show that the proposed relay strategy and...
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