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Performance Analysis of DF/AF Cooperative MISO Wireless Sensor Networks with NOMA and SWIPT over Nakagami-m Fading

Authors:

Dung Duc Tran , Van Nhan Vo , Dac-Binh Ha , Chakchai So-In , Tran Hung

Publication Type:

Journal article

Venue:

Journal of IEEE Access

Publisher:

IEEE

DOI:

10.1109/ACCESS.2018.2872935

Abstract

In this paper, we investigate downlink cooperative multiple-input single-output (MISO) wireless sensor networks (WSNs) with the nonorthogonal multiple access (NOMA) technique and simultaneous wireless information and power transfer (SWIPT) over Nakagami-m fading. Specifically, the considered network includes a multiantenna sink node, an energy-limited relay cluster, a high-priority sensor node (SN) cluster, and a low-priority SN cluster. Prior to transmission, a transmit antenna, a relay, a high-priority SN, and a low-priority SN are selected. In this research, we propose three antenna-relaydestination selection schemes, i.e., sink node−high-priority (SHS), sink node−relay (SRS), and sink node−low-priority (SLS). In each proposed scheme, we consider two relaying strategies, i.e., decode-and-forward (DF) and amplify-and-forward (AF), and then we derive the corresponding closed-form expressions of outage probability (OP) at the selected SNs. In addition, we introduce two algorithms: (i) the power-splitting ratio optimization algorithm and (ii) the best antenna-relay-destination selection determination algorithm. Finally, we utilize Monte Carlo simulations to verify our analytical results.

Bibtex

@article{Tran5244,
author = {Dung Duc Tran and Van Nhan Vo and Dac-Binh Ha and Chakchai So-In and Tran Hung},
title = {Performance Analysis of DF/AF Cooperative MISO Wireless Sensor Networks with NOMA and SWIPT over Nakagami-m Fading},
volume = {2},
number = {1},
pages = {1--25},
month = {September},
year = {2018},
journal = {Journal of IEEE Access},
publisher = {IEEE},
url = {http://www.es.mdu.se/publications/5244-}
}