Outage Analysis and Optimization of NOMA-based Integrated Satellite-Terrestrial System with an AF Relay

Xie, Silin; Zhang, Bangning; Yang, Kongzhe

doi:10.1109/iccchina.2019.8855814

Cited by 6 publications

(4 citation statements)

References 11 publications

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“…By adopting pilot-based channel estimation, the impact of imperfect CSI was analyzed for a NOMA-based DF relay HSTN in [ 155 ]. A similar outage analysis and optimization of a NOMA-based HSTN with an AF relay under imperfect CSI was also studied in [ 156 ].…”

Section: Key Cooperative and Cognitive Technologiesmentioning

confidence: 99%

Hybrid Satellite–Terrestrial Networks toward 6G: Key Technologies and Open Issues

Tirmizi

Chen

Lakshminarayana

et al. 2022

Sensors

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Future wireless networks will be required to provide more wireless services at higher data rates and with global coverage. However, existing homogeneous wireless networks, such as cellular and satellite networks, may not be able to meet such requirements individually, especially in remote terrain, including seas and mountains. One possible solution is to use diversified wireless networks that can exploit the inter-connectivity between satellites, aerial base stations (BSs), and terrestrial BSs over inter-connected space, ground, and aerial networks. Hence, enabling wireless communication in one integrated network has attracted both the industry and the research fraternities. In this work, we provide a comprehensive survey of the most recent work on hybrid satellite–terrestrial networks (HSTNs), focusing on system architecture, performance analysis, design optimization, and secure communication schemes for different cooperative and cognitive HSTN network architectures. Different key technologies are compared. Based on this comparison, several open issues for future research are discussed.

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Section: Key Cooperative and Cognitive Technologiesmentioning

confidence: 99%

Hybrid Satellite–Terrestrial Networks toward 6G: Key Technologies and Open Issues

Tirmizi

Chen

Lakshminarayana

et al. 2022

Sensors

View full text Add to dashboard Cite

show abstract

“…In [11], the authors studied integration of the NOMA technique with multi-beam satellite networks, while in [12], the authors investigated integration of NOMA with cognitive satellite networks to increase ergodic performance of the system. The performance of NOMA-hybrid satellite relay networks (HSRN) was studied in [13] [14]. NOMA integrated cognitive HSRN has been studied to analyze outage performance [15].…”

Section: Introductionmentioning

confidence: 99%

Impact of CCI on Performance Analysis of Downlink Satellite-Terrestrial Systems: Outage Probability and Ergodic Capacity Perspective

Nguyen

et al. 2021

Preprint

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The evolution of non-orthogonal multiple access (NOMA) has raised many opportunities for massive connectivity with less latency in signal transmissions at great distances. Power-Domain NOMA transmits user signals superimposed in the same resource block by varying the power coefficient of each user according to their channel state information (CSI). At the receiver’s end, successive interference cancellation (SIC) is performed to extract the desired signal from the superimposed signal. Imperfect CSI should therefore be studied in this context. Satellite-terrestrial networks and relay networks have already gained significance in the field of communications through their efficient data transmission techniques. We aimed to integrate NOMA with a satellite communications network under both imperfect CSI and co-channel interference (CCI) from nearby systems with respect to analysis of ground user performance. In our considered system, two users perform downlink communications under Power-Domain NOMA. We analyzed the performance of this system with two modes of shadowing effect: Heavy Shadowing (HS) and Average Shadowing (AS). Performance was analyzed in terms of the outage probability and ergodic capacity of the system. We derived closed-form expressions and performed a numerical analysis. We discovered that the performance of two destinations depends on the strength of the transmit power at the satellite. However, floor outage occurs because the system depends on other parameters, such as satellite link modes, noise levels, and the number of interference sources. More specifically, if, for example, the number of interference sources is 5, the outage performance of the system experiences a decrease of approximately 40% at a signal to noise ratio (SNR) of 30 dB at the satellite. Outage probability and ergodic capacity became saturated at SNRs of 50 dB and 45 dB, respectively. To verify the authenticity of the derived closed-form expressions, we also performed Monte-Carlo simulations.

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“…Various studies have introduced the NOMA technique in satellite communications [8][9][10][11][12][13][14][15][16]. In [11], the authors studied integration of the NOMA technique with multibeam satellite networks, while in [12], the authors investigated integration of NOMA with cognitive satellite networks to increase ergodic performance of the system.…”

mentioning

confidence: 99%

“…In [11], the authors studied integration of the NOMA technique with multibeam satellite networks, while in [12], the authors investigated integration of NOMA with cognitive satellite networks to increase ergodic performance of the system. The performance of NOMA-hybrid satellite relay networks (HSRN) was studied in [13,14]. NOMA integrated cognitive HSRN has been studied to analyze outage performance [15].…”

mentioning

confidence: 99%

Impact of CCI on performance analysis of downlink satellite-terrestrial systems: outage probability and ergodic capacity perspective

Nguyen

et al. 2022

J Wireless Com Network

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The evolution of non-orthogonal multiple access (NOMA) has raised many opportunities for massive connectivity with less latency in signal transmissions at great distances. We aim to integrate NOMA with a satellite communications network to evaluate system performance under the impacts of imperfect channel state information and co-channel interference from nearby systems. In our considered system, two users perform downlink communications under power-domain NOMA. We analyzed the performance of this system with two modes of shadowing effect: heavy shadowing and average shadowing. The detailed performance was analyzed in terms of the outage probability and ergodic capacity of the system. We derive closed-form expressions and performed a numerical analysis. We discover that the performance of two destinations depends on the strength of the transmit power at the satellite. However, floor outage occurs because the system depends on other parameters, such as satellite link modes, noise levels, and the number of interference sources. To verify the authenticity of the derived closed-form expressions, we also perform Monte-Carlo simulations.

show abstract

Outage Analysis and Optimization of NOMA-based Integrated Satellite-Terrestrial System with an AF Relay

Cited by 6 publications

References 11 publications

Hybrid Satellite–Terrestrial Networks toward 6G: Key Technologies and Open Issues

Hybrid Satellite–Terrestrial Networks toward 6G: Key Technologies and Open Issues

Impact of CCI on Performance Analysis of Downlink Satellite-Terrestrial Systems: Outage Probability and Ergodic Capacity Perspective

Impact of CCI on performance analysis of downlink satellite-terrestrial systems: outage probability and ergodic capacity perspective

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