Maximum-SNR transmit antenna selection with unimodular beamforming and two receive antennas

Abstract

The recent increased interest in massive multiple-input multiple-output systems, combined with the cost of the analog RF chains, necessitates the use of efficient antenna selection (AS) schemes. Capacity or SNR optimal AS has been considered to require an exhaustive search among all possible antenna subsets. In this work, we identify in polynomial time a… (More)
DOI: 10.1109/CISS.2013.6552347

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