Reference : Performance Analysis of Integrated Satellite-Terrestrial Multiantenna Relay Networks ...
Scientific journals : Article
Engineering, computing & technology : Computer science
Security, Reliability and Trust
http://hdl.handle.net/10993/41754
Performance Analysis of Integrated Satellite-Terrestrial Multiantenna Relay Networks with Multiuser Scheduling
English
Huang, Qingquan []
Lin, Min []
Zhu, Wei-Ping []
Chatzinotas, Symeon mailto [University of Luxembourg > Interdisciplinary Centre for Security, Reliability and Trust (SNT) > >]
Alouini, Mohamed-Slim []
11-Nov-2019
IEEE Transactions on Aerospace and Electronic Systems
IEEE
1-1
Yes (verified by ORBilu)
International
0018-9251
1557-9603
[en] Decode-and-Forward Relaying ; Ergodic Capacity ; Integrated Satellite-Terrestrial Relay Network ; Multiuser Scheduling ; Outage Probability
[en] In this paper, we investigate the performance of a multiuser integrated satellite-terrestrial relay network (ISTRN) with threshold-based decode-and-forward protocol, where the satellite-relay link undergoes Shadowed-Rician (SR) fading while the relay-user links experience Nakagami-m fading. We first formulate a constrained optimization problem with an objective to maximize the system capacity in order to determine the beamforming weight vectors at the relay, and thereby develop two multiuser scheduling schemes, namely, best user scheduling and user fairness scheduling. Then, we present a closedform expression for the probability density function (PDF) of the square sum of independent and identically distributed SR random variables, which is more accurate and concise than the existing solutions. Based on the new PDF results, we derive closedform expressions for the outage probability (OP) and ergodic capacity of the considered network using the two scheduling schemes. Furthermore, the asymptotic OP expressions at high signal-to-noise ratio are also deduced to reveal the asymptotic behavior of the considered ISTRN. Finally, simulation results are provided to validate our theoretical analysis, and show the impact of various parameters on the system performance.
http://hdl.handle.net/10993/41754
10.1109/TAES.2019.2952698

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