Comparative Analysis of Procedures and Solutions to Improve Energy Efficiency of Massive MIMO
Abstract
The blustery growth of high data rate applications leads
to more energy consumption in wireless networks to satisfy service
quality.Therefore, energy-efficient communications have been paid
more attention to limited energy resources and environmentally
friendly transmission functioning. Countless publications are
present in this domain which focuses on intensifying network
energy efficiency for uplink-downlink transmission.It is done either
by using linear precoding schemes, by amending the number of
antennas per BS, by power control problem formulation, antenna
selection schemes, level of hardware impairments, and by
considering cell-free (CF) Massive-MIMO.After reviewing these
techniques, still there are many barriers to implement them
practically. The strategies mentioned in this review show the
performance of EE under the schemes as raised above. The chief
contribution of this work is the comparative study of how Massive
MIMO EE performs under the background of different methods
and architectures and the solutions to few problem formulations
that affect the EE of network systems. This study will help choose
the best criteria to improve EE of Massive MIMO while
formulating a newer edition of testing stand-ards.This survey
provides the base for interested readers in energy efficient Massive
MIMO.
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