Full-Duplex Cooperative NOMA-based mmWave Networks with Fluid Antenna System (FAS) Receivers

Full-Duplex Cooperative NOMA-based mmWave Networks with Fluid Antenna System (FAS) Receivers
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具有流体天线系统 (FAS) 接收器的全双工协作式基于 NOMA 的毫米波网络

DOI:
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发表时间:
2023
期刊:
2023 International Balkan Conference on Communications and Networking (BalkanCom)
影响因子:
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通讯作者:
G. Nauryzbayev
G. Nauryzbayev
中科院分区:
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文献类型:
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作者:
Leila Tlebaldiyeva;S. Arzykulov;T. Tsiftsis;G. Nauryzbayev

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高穿透距离和路径损耗是限制毫米波技术发展的主要因素。因此,它需要一个视线环境来容纳源节点和目的节点,而由于现代无线网络的日益密集,中间障碍物的存在成为不可避免的。非正交多址(NOMA)和流体天线系统(FAS)可以在扩大通信范围方面发挥重要作用。提出了一种N用户NOMA网络,该网络能够有效利用基站资源,实现协作的全双工通信。此外,所考虑的L端口FAS技术通过为移动用户设计灵活的小型化天线来提高服务质量。仿真结果表明,10端口FAS的性能优于选择合并技术,同时需要大约600个端口才能超过四天线最大比合并方案的性能。最后,我们推导了考虑残余自干扰和干扰的中断概率表达式,并通过蒙特卡罗仿真进行了验证。
The high-penetration path loss and distance are the major limiting factors of the millimeter wave (mmWave) technology. It consequently requires a line-of-sight environment to accommodate the source and destination nodes, while the presence of in-between obstacles becomes inevitable due to the ever-increasing densification of modern wireless networks. Nonorthogonal multiple access (NOMA) and fluid antenna system (FAS) can play important roles in expanding the range of communication. We propose an N-user NOMA network that utilizes the base station’s resources efficiently and implements cooperative full-duplex communication. Furthermore, the considered L-port FAS technique improves the quality-of-service by designing a flexible and low-profile antenna for mobile users. Simulation results reveal that 10-port FAS outperforms the selection combining technique while requiring around 600 ports to beat the performance of a four-antenna maximum-ratio-combining scheme. Finally, we formulate the outage probability expressions considering residual self-interference and interference, which are validated through Monte Carlo simulations.
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