… 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. …

… 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. …

… 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 …

… 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 …

… 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 …

… assists to allocate pilots to the D2D pairs orthogonally. The pilot allocation results are
broadcasted and thus each D2D pair knows both its own pilot and the pilots of all other D2D pairs. …

… 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, …

… 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: …

… allocation and power control of the CUs. In this letter, we aim at maximizing the sum rate of
D2D pairs through resource allocation and power control … through the pilot sequences from …