Reconfigurable Intelligent Surfaces for Energy Efficiency in Wireless Communication - Huang, Chongwen; Zappone, Alessio; Alexandropoulos, George C.; Debbah, Merouane; Yuen, Chau (IEEE transactions on wireless communications, 2019)
Keywords: Algorithms; alternating maximization; Antennas; Design optimization; Downlink; Energy efficiency; Energy transmission; gradient descent; Hardware; Mathematical programming; multi-user MIMO; non-convex optimization; phase shift; Power consumption; Power demand; Power efficiency; Power management; Reconfigurable intelligent surfaces; Relaying; Relays; Resource allocation; Resource management; sequential fractional programming; Wireless communication; Wireless communications