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- W2785418716 abstract "In this paper, we investigate the energy efficiency (EE) of large-scale distributed multiple-input multiple-output (D-MIMO) systems. Firstly, we derive an analytical closed-form expression of the lower bound on the ergodic capacity for D-MIMO systems, and the asymptotic performance for the large-scale antenna arrays systems over K fading channels is proposed. Utilizing these results, we elaborate on the EE optimization problem with transmitted power constraint. To tackle this multi-objective optimization problem, we propose an one-dimension iterative search algorithm with low complexity to obtain the optimal number of receive antennas, transmitted power and achievable sum rate with optimum EE. Simulation results verify the performance gain of the proposed scheme along with the increasing number of transmit antennas." @default.
- W2785418716 created "2018-02-23" @default.
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- W2785418716 date "2017-10-01" @default.
- W2785418716 modified "2023-09-26" @default.
- W2785418716 title "Energy efficiency optimization in large-scale distributed MIMO systems over K fading channels" @default.
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- W2785418716 doi "https://doi.org/10.1109/pimrc.2017.8292244" @default.
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