UAV aided NOMA relaying with energy harvesting architecture: Performance analysis

IF 2 4区计算机科学 Q3 ENGINEERING, ELECTRICAL & ELECTRONIC Physical Communication Pub Date : 2024-09-28 DOI:10.1016/j.phycom.2024.102480

Kaustubh Ranjan Singh, Parul Garg

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Abstract

In this work, we consider a dual hop Non Orthogonal Miltiple Access (NOMA) based communication network between Source

S

and two destination users

U_{A}

U_{B}

which is aided by an Unmanned Aerial Vehicle (UAV) relay

R

. The energy constrained UAV relay harvests energy from signal transmitted by the source through Power Splitting (PS) and further transmits the signal using Amplify and Forward (AF) protocol to the destination users through NOMA. For the proposed network, we derive analytical expressions for outage probability and ergodic capacity. The impact of parameters like PS ratio and UAV altitude is studied on the overall system performance. Further, the performance of the proposed system is also compared with Orthogonal Multiple Access (OMA) scheme. The results obtained show that the energy harvesting capacity of UAV is significantly affected under Linear and Non Linear EH models. The numerical analysis done is verified through Monte Carlo Simulations.

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采用能量收集架构的无人机辅助 NOMA 中继：性能分析

能量受限的无人机中继通过功率分配（PS）从信号源传输的信号中获取能量，并使用放大和转发（AF）协议通过 NOMA 将信号进一步传输给目的地用户。对于提议的网络，我们推导出了中断概率和遍历容量的分析表达式。我们还研究了 PS 比率和无人机高度等参数对整个系统性能的影响。此外，我们还将拟议系统的性能与正交多址（OMA）方案进行了比较。研究结果表明，在线性和非线性 EH 模型下，无人机的能量收集能力会受到很大影响。通过蒙特卡罗模拟验证了所做的数值分析。

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来源期刊

Physical Communication ENGINEERING, ELECTRICAL & ELECTRONICTELECO-TELECOMMUNICATIONS

CiteScore

5.00

自引率

9.10%

发文量

212

审稿时长

55 days

期刊介绍： PHYCOM: Physical Communication is an international and archival journal providing complete coverage of all topics of interest to those involved in all aspects of physical layer communications. Theoretical research contributions presenting new techniques, concepts or analyses, applied contributions reporting on experiences and experiments, and tutorials are published. Topics of interest include but are not limited to: Physical layer issues of Wireless Local Area Networks, WiMAX, Wireless Mesh Networks, Sensor and Ad Hoc Networks, PCS Systems; Radio access protocols and algorithms for the physical layer; Spread Spectrum Communications; Channel Modeling; Detection and Estimation; Modulation and Coding; Multiplexing and Carrier Techniques; Broadband Wireless Communications; Wireless Personal Communications; Multi-user Detection; Signal Separation and Interference rejection: Multimedia Communications over Wireless; DSP Applications to Wireless Systems; Experimental and Prototype Results; Multiple Access Techniques; Space-time Processing; Synchronization Techniques; Error Control Techniques; Cryptography; Software Radios; Tracking; Resource Allocation and Inference Management; Multi-rate and Multi-carrier Communications; Cross layer Design and Optimization; Propagation and Channel Characterization; OFDM Systems; MIMO Systems; Ultra-Wideband Communications; Cognitive Radio System Architectures; Platforms and Hardware Implementations for the Support of Cognitive, Radio Systems; Cognitive Radio Resource Management and Dynamic Spectrum Sharing.