In this paper, robust transceiver designs are proposed for millimeter wave multiple-input multiple-output cooperative systems with the amplify-and-forward cooperative strategy. Hybrid structures are adopted to jointly design the processors at the source, the relay, and the destination, respectively. Contrariwise to most existing works that develop codebook-based solutions with perfect channel state information (CSI) assumptions, the proposed designs present codebook- free solutions based on the so-called Alternating Direction Method of Multipliers approach and imperfect CSI with Gaussian-distributed errors. Numerical results show that the proposed designs provide substantial improved spectral efficiencies compared with the existing designs.
Robust Hybrid Transceiver Designs for Millimeter Wave AF Cooperative Systems
01.09.2019
144963 byte
Aufsatz (Konferenz)
Elektronische Ressource
Englisch
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