… pilot reuse among DUs in a singlecell D2D underlay massive MIMO system to shorten pilot
… pilot allocation algorithm, and then consider the sum power minimization problem for DUs. …

… the D2D receivers and a closed-form approximation of it. We provide power control algorithms
… Different from prior works, in our proposed power control schemes, we consider joint pilot …

… power control in a D2D underlay massive MIMO system over … of pilots, we propose to reuse
a set of orthogonal pilots … have studied pilot reuse and data transmit power control in a D2D …

… D2D links. This work proposes a novel pilot reuse (PR) and power control (PC) for energy
efficiency (EE) optimization of the uplink D2D underlaying massive MIMO cellular systems. …

… pilot scheduling scheme to allocate pilots to DUs, and show that the sum MSE of channel
estimation of D2D links … In the following, we focus on pilot scheduling and power control design …

… This scheme united channel estimation and pilot length as one … of pilot allocation and power
optimization on system performance was studied and the pilot allocation and power control …

… to-device (D2D) underlaid cellular system using stochastic geometry and develops centralized
and distributed power control algorithms. The goal of centralized power control is twofold: …

… , eg, the cognitive pilot channel proposed by the E2R2/… D2D transmitter is controlled at a
certain level, the proposed FD relaying-based D2D communication scheme with power control …

… allocation approach jointly for D2D and cellular users. Given the channel allocation, the
subsequent power control … by using pilot signals and GPS1 data for cellular and D2D users, …

… allocation and power control mechanism for D2D communications. 2.3 Combined power
control and resource allocation … D2D Rx listens to the uplink pilot signals sent by the CUEs and …