Paper Info
Title
Heterogeneous Power-Splitting Based Two-Way DF Relaying with Non-Linear Energy Harvesting.
Abstract
Simultaneous wireless information and power transfer (SWIPT) has been recognized as a promising approach to improving the performance of energy constrained networks. In this paper, we investigate a SWIPT based three-step two-way decode-and-forward (DF) relay network with a non-linear energy harvester equipped at the relay. As most existing works require instantaneous channel state information (CSI) while CSI is not fully utilized when designing power splitting (PS) schemes, there exists an opportunity for enhancement by exploiting CSI for PS design. To this end, we propose a novel heterogeneous PS scheme, where the PS ratios are dynamically changed according to instantaneous channel gains. In particular, we derive the closed-form expressions of the optimal PS ratios to maximize the capacity of the investigated network and analyze the outage probability with the optimal dynamic PS ratios based on the non-linear energy harvesting (EH) model. The results provide valuable insights into the effect of various system parameters, such as transmit power of the source, source transmission rate, and source to relay distance on the performance of the investigated network. The results show that our proposed PS scheme outperforms the existing schemes.
Year
DOI
Venue
2018
10.1109/GLOCOM.2018.8647768
IEEE Global Communications Conference
Keywords
DocType
Volume
Simultaneous wireless information and power transfer,two-way decode-and-forward relay,dynamic heterogeneous power splitting,non-linear energy harvesting
Conference
abs/1812.00084
ISSN
Citations 
PageRank 
2334-0983
0
0.34
References 
Authors
0
5
Name
Order
Citations
PageRank
Liqin Shi1589.20
Wenchi Cheng239345.42
Yinghui Ye39013.97
hailin zhang437547.30
Rose Qingyang Hu51702135.35