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

In this paper, we investigate downlink cooperative multiple-input single-output wireless sensor networks with the nonorthogonal multiple access technique and simultaneous wireless information and power transfer over Nakagami- m fading. Specifically, the considered network includes a multiantenna si...

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Bibliographic Details
Published in:IEEE access 2018, Vol.6, p.56142-56161
Main Authors: Tran, Duc-Dung, Ha, Dac-Binh, Vo, Van Nhan, So-In, Chakchai, Tran, Hung, Nguyen, Tri Gia, Baig, Zubair Ahmed, Sanguanpong, Surasak
Format: Article
Language:English
Subjects:
Cooperative transmission
energy harvesting
Fading channels
MISO communication
NOMA
nonorthogonal multiple access
Protocols
Relays
successive interference cancellation
Transmitting antennas
Wireless sensor networks
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Summary:In this paper, we investigate downlink cooperative multiple-input single-output wireless sensor networks with the nonorthogonal multiple access technique and simultaneous wireless information and power transfer 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 paper, we propose three antenna-relay-destination selection schemes, i.e., sink node-high-priority, sink node-relay, and sink node-low-priority. In each proposed scheme, we consider two relaying strategies, i.e., decode-and-forward and amplify-and-forward, and then, we derive the corresponding closed-form expressions of outage probability at the selected SNs. In addition, we introduce two algorithms: 1) the power-splitting ratio optimization algorithm and 2) the best antenna-relay-destination selection determination algorithm. Finally, we utilize the Monte Carlo simulations to verify our analytical results.
ISSN:2169-3536
2169-3536
DOI:10.1109/ACCESS.2018.2872935