On the Total Energy Efficiency of Cell-Free Massive MIMO - Ngo, Hien Quoc; Tran, Le-Nam; Duong, Trung Q.; Matthaiou, Michail; Larsson, Erik G. (IEEE transactions on green communications and networking, 2018)
Keywords: Algorithms; antenna arrays; Antennas; AP selection schemes; array signal processing; backhaul power consumption; Beamforming; Cell-free massive MIMO; cell-free massive multiple input multiple output downlink; Channel estimation; channel estimation errors; Closed form solutions; closed-form expression; Communication channels; conjugate beamforming; conjugate beamforming scheme; distributed multiple-antenna access points; Downlink; Duplex operation; energy conservation; Energy efficiency; Exact solutions; massive MIMO; Mathematical analysis; MIMO; MIMO (control systems); MIMO communication; network MIMO; optimal power allocation algorithm; Optimization; per-AP power constraint; per-user spectral efficiency constraint; power allocation scheme; Power consumption; Power control; Power demand; Power efficiency; Power management; quality of service; single-antenna users; spectral efficiency; telecommunication power management; time-division duplex operation; total energy efficiency; Uplink; wireless channels