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Tradeoff between Energy and Spectral Efficiency for Massive MIMO Systems with Transmit Antenna Selection

Author(s):
Felciya S , PET Engineering College; T. M. Babimol, PET Engineering College

Keywords:
Massive MIMO, Energy Efficiency, Spectral Efficiency, Transmit Antenna Selection

Abstract

This paper presents the Energy Efficiency-Spectral Efficiency (EE-SE) trade-off for massive Multiple-Input Multiple-Output (MIMO) and Transmit Antenna Selection (TAS) schemes. The power consumption model (PCM) is taken into account, and it is shown that use of TAS will give significant energy savings when compared to massive MIMO within the low to medium spectral efficiency location, regardless the number of antenna elements. If the range of receive antennas is fixed, the energy efficiency gain using TAS becomes even larger with the increasing number of transmit antennas. The optimum value of spectral efficiency that minimizes the energy consumption is obtained in closed-form and confirmed by numerical results.

Other Details
Paper ID: IJSRDV5I80348
Published in: Volume : 5, Issue : 8
Publication Date: 01/11/2017
Page(s): 489-491

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