Outage Performance of NOMA-Based Hybrid Satellite-Terrestrial Relay Networks

Xiaojuan Yan; Hailin Xiao; Cheng-Xiang Wang; Kang An

doi:10.1109/LWC.2018.2793916

Outage Performance of NOMA-Based Hybrid Satellite-Terrestrial Relay Networks

Xiaojuan Yan, Hailin Xiao, Cheng-Xiang Wang, Kang An

Research output: Contribution to journal › Article

22 Citations (Scopus)

Abstract

In this letter, we investigate the outage probability (OP) of amplify-and-forward (AF) hybrid satellite-terrestrial relay networks with a non-orthogonal multiple access (NOMA) scheme. By assuming that a single antenna satellite communicates with multiple multi-antenna users simultaneously through the help of a single antenna relay and the NOMA scheme, we first derive the closed-form OP expressions for each NOMA user. Then, asymptotic OP expressions at the high signal-to-noise ratio (SNR) regime are also obtained to evaluate the achievable diversity order and coding gain. Finally, simulations are provided to the validity of theoretical results, the superiority of introducing the NOMA scheme in satellite-terrestrial relay networks, and the effect of key parameters on the performance of NOMA users.

Original language	English
Journal	IEEE Wireless Communications Letters
Early online date	15 Jan 2018
DOIs	https://doi.org/10.1109/LWC.2018.2793916
Publication status	E-pub ahead of print - 15 Jan 2018

Keywords

Hybrid satellite-terrestrial relay networks
Interference
NOMA
non-orthogonal multiple access
outage probability.
Power system reliability
Probability
Relay networks (telecommunications)
Satellites
Signal to noise ratio

ASJC Scopus subject areas

Control and Systems Engineering
Electrical and Electronic Engineering

Access to Document

10.1109/LWC.2018.2793916

Link to publication in Scopus

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Cite this

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title = "Outage Performance of NOMA-Based Hybrid Satellite-Terrestrial Relay Networks",

abstract = "In this letter, we investigate the outage probability (OP) of amplify-and-forward (AF) hybrid satellite-terrestrial relay networks with a non-orthogonal multiple access (NOMA) scheme. By assuming that a single antenna satellite communicates with multiple multi-antenna users simultaneously through the help of a single antenna relay and the NOMA scheme, we first derive the closed-form OP expressions for each NOMA user. Then, asymptotic OP expressions at the high signal-to-noise ratio (SNR) regime are also obtained to evaluate the achievable diversity order and coding gain. Finally, simulations are provided to the validity of theoretical results, the superiority of introducing the NOMA scheme in satellite-terrestrial relay networks, and the effect of key parameters on the performance of NOMA users.",

keywords = "Hybrid satellite-terrestrial relay networks, Interference, NOMA, non-orthogonal multiple access, outage probability., Power system reliability, Probability, Relay networks (telecommunications), Satellites, Signal to noise ratio",

author = "Xiaojuan Yan and Hailin Xiao and Cheng-Xiang Wang and Kang An",

year = "2018",

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doi = "10.1109/LWC.2018.2793916",

language = "English",

journal = "IEEE Wireless Communications Letters",

issn = "2162-2337",

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T1 - Outage Performance of NOMA-Based Hybrid Satellite-Terrestrial Relay Networks

AU - Yan, Xiaojuan

AU - Xiao, Hailin

AU - Wang, Cheng-Xiang

AU - An, Kang

PY - 2018/1/15

Y1 - 2018/1/15

N2 - In this letter, we investigate the outage probability (OP) of amplify-and-forward (AF) hybrid satellite-terrestrial relay networks with a non-orthogonal multiple access (NOMA) scheme. By assuming that a single antenna satellite communicates with multiple multi-antenna users simultaneously through the help of a single antenna relay and the NOMA scheme, we first derive the closed-form OP expressions for each NOMA user. Then, asymptotic OP expressions at the high signal-to-noise ratio (SNR) regime are also obtained to evaluate the achievable diversity order and coding gain. Finally, simulations are provided to the validity of theoretical results, the superiority of introducing the NOMA scheme in satellite-terrestrial relay networks, and the effect of key parameters on the performance of NOMA users.

AB - In this letter, we investigate the outage probability (OP) of amplify-and-forward (AF) hybrid satellite-terrestrial relay networks with a non-orthogonal multiple access (NOMA) scheme. By assuming that a single antenna satellite communicates with multiple multi-antenna users simultaneously through the help of a single antenna relay and the NOMA scheme, we first derive the closed-form OP expressions for each NOMA user. Then, asymptotic OP expressions at the high signal-to-noise ratio (SNR) regime are also obtained to evaluate the achievable diversity order and coding gain. Finally, simulations are provided to the validity of theoretical results, the superiority of introducing the NOMA scheme in satellite-terrestrial relay networks, and the effect of key parameters on the performance of NOMA users.

KW - Hybrid satellite-terrestrial relay networks

KW - Interference

KW - NOMA

KW - non-orthogonal multiple access

KW - outage probability.

KW - Power system reliability

KW - Probability

KW - Relay networks (telecommunications)

KW - Satellites

KW - Signal to noise ratio

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