Antenna Selection for Energy Efficient MISO Systems

This letter studies the mathematical property of the energy-efficiency (EE) function for multiple-input single-output systems with transmit antenna selection. We prove that the monotonicity of the function is guaranteed if the system signal-to-noise ratio satisfies a sufficient condition, which is q...

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Bibliographic Details
Published in:IEEE communications letters 2017-12, Vol.21 (12), p.2758-2761
Main Authors: Zijian Wang, Vandendorpe, Luc
Format: Article
Language:English
Subjects:
Complexity theory
energy efficiency
maximum ratio transmission
MISO
Receivers
Signal to noise ratio
Transmit antenna selection
Transmitting antennas
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Summary:This letter studies the mathematical property of the energy-efficiency (EE) function for multiple-input single-output systems with transmit antenna selection. We prove that the monotonicity of the function is guaranteed if the system signal-to-noise ratio satisfies a sufficient condition, which is quite feasible in practice. Based on this property, an algorithm with low complexity is proposed to find the maximum EE. The monotonicity of the function and the advantage of the proposed algorithm are confirmed by numerical results.
ISSN:1089-7798
1558-2558
DOI:10.1109/LCOMM.2017.2753782