Power Efficient Secure Full-Duplex SWIPT Using NOMA and D2D with Imperfect CSI

Abstract

The secure full-duplex (FD) simultaneous wireless information and power transfer (SWIPT) system and non-orthogonal multiple access (NOMA) have been deemed two promising technologies for the next generation of wireless communication. In this paper, the network is combined with device-to-device (D2D) and a practical bounded channel state information (CSI) estimation scheme. A system total transmit power minimization problem is studied and formulated as a multi-objective optimization (MOO) problem via the weighted Tchebycheff approach. A set of linear matrix inequalities (LMI) is used to transform the non-convex form of constraints into the convex form. Considering the imperfect CSI of the potential eavesdropper for robust power allocation, a bounded transmission beamforming vector design along with artificial noise (AN) is used, while satisfying the requirements from the secrecy rates as well as the energy harvesting (EH) task. Numerical simulation results validate the convergence performance and the trade-off between the uplink (UL) and downlink (DL) data transmit power. It is also shown that by FD and NOMA, the performance of the proposed algorithm is higher than that of half-duplex (HD) and orthogonal multiple access (OMA).

Enabling Device‐to‐Device Transmission for NOMA‐Aided Systems

“…This is one of the limitations of the present work. Hence, differently from past studies as seen in [31][32][33][34][35][36][37], the obtained simulation results of this work further demonstrate the impact of channel estimation on OP and throughput…”

“…Then, an energy-efficiency-based iterative algorithm is utilized to solve the intractable OP constraints. Recent work in [33] considered power efficient secure FD-aided SWIPT in NOMA-enabled D2D networks with imperfect CSI. The authors studied the system total transmit power minimization and formulated a multiobjective optimization (MOO) problem utilizing the weighted Tchebycheff method.…”

“…Then, based on the stochastic geometry approach, we investigate the impact of channel estimation error on OP and throughput of the proposed system. Table 1 provides a comparison of this work versus the past studies in [31][32][33][34][35][36][37].…”

“…Secure FD-SWIPT NOMA-D2D [33] The authors studied the system total transmit power minimization and formulated a multiobjective optimization (MOO) problem utilizing the weighted Tchebycheff method.…”

Performance Analysis and Beamforming Design of a Secure Cooperative MISO-NOMA Network

“…This essentially prevents NOMA from being used in energy-constrained IoT. The simultaneous wireless information and power transmission (SWIPT) has recently been lauded as a promising strategy for solving the power usage challenge in wireless networks [ 12 ]. The SWIPT has been widely investigated in previous studies, and can be split into two groups on the basis of EH model, named as a linear and a nonlinear EH model.…”