Abstract
In recent years, harvesting energy from radio frequency (RF) signals has drawn significant research interest as a promising solution to solve the energy problem. In this paper, we analyze the effect of the interference noise on the wireless energy harvesting performance of a decode-and-forward (DF) relaying network. In this analysis, the energy and information are transferred from the source to the relay nodes in the delay-limited transmission and Delay-tolerant transmission modes by two methods: i) time switching protocol and ii) power splitting protocol. Firstly, due to the constraint of the wireless energy harvesting at the relay node, the analytical mathematical expressions of the achievable throughput, outage probability and ergodic capacity of both schemes were proposed and demonstrated. After that, the effect of various system parameters on the system performance is rigorously studied with closed-form expressions for system throughput, outage probability, and ergodic capacity. Finally, the analytical results are also demonstrated by Monte-Carlo simulation. The results show that the analytical mathematical and simulated results agree with each other. This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
Highlights
Nowadays, the fth generation (5G) network technology is the best solution for the near future communication network
The main contributions of this paper are summarized as follows: 1) We propose the time switching and the power splitting protocols in the delay-limited and the delay-tolerant transmission modes to enable wireless energy harvesting and information processing at the energy constrained relay in wireless AF relaying networks
The throughput performance and the ergodic capacity of an energy harvesting DF relaying network under the eect of the interference noise are analyzed in details
Summary
The fth generation (5G) network technology is the best solution for the near future communication network. Due to the constraint of the wireless energy harvesting at the relay node, the analytical mathematical expressions of the achievable throughput, outage probability and ergodic capacity of both schemes were presented and demonstrated. The main contributions of this paper are summarized as follows: 1) We propose the time switching and the power splitting protocols in the delay-limited and the delay-tolerant transmission modes to enable wireless energy harvesting and information processing at the energy constrained relay in wireless AF relaying networks. More details of the analytical mathematical model of the achievable throughput and ergodic capacity under the eect of the interference noise (for the time switching and power splitting protocol) is presented . T/2 is used for the source to relay information transmission and the remaining half, T/2 is used for the relay
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