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Energy Efficient Bidirectional Massive MIMO Relay Beamforming | IEEE Journals & Magazine | IEEE Xplore

Energy Efficient Bidirectional Massive MIMO Relay Beamforming


Abstract:

In this paper, we investigate the global energy efficiency of a bidirectional amplify-and-forward relay MIMO system. It is assumed that the relay serves two end-users, ea...Show More

Abstract:

In this paper, we investigate the global energy efficiency of a bidirectional amplify-and-forward relay MIMO system. It is assumed that the relay serves two end-users, each requiring a minimum target rate. Two algorithms are proposed, a suboptimal one with lower complexity, and an optimal one with slightly higher complexity. We present numerical results that compare the two algorithms and exhibit several optimality properties concerning the global energy efficiency function.
Published in: IEEE Signal Processing Letters ( Volume: 24, Issue: 7, July 2017)
Page(s): 1010 - 1014
Date of Publication: 11 May 2017

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