Aerial Reconfigurable Intelligent Surface-Assisted LPWANs for IoT: A Cross-Layer Analysis

IF 5.5 3区计算机科学 Q1 COMPUTER SCIENCE, INFORMATION SYSTEMS IEEE Wireless Communications Letters Pub Date : 2024-09-02 DOI:10.1109/LWC.2024.3453592

Majid H. Khoshafa;Yasser Gadallah;Telex M. N. Ngatched;Mohamed H. Ahmed

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Abstract

The utilization of low-power wide area network (LPWAN) technologies holds significant promise for numerous critical Internet of Things (IoT) applications that are characterized by low data rates and stringent power consumption requirements. However, LPWAN technologies face limitations, particularly in extending coverage in obstructed environments. Driven by the various abilities of reconfigurable intelligent surfaces (RISs) and the advanced features of unmanned aerial vehicles (UAVs), the integration of RIS into UAVs, which results in aerial RIS (ARIS), presents an attractive solution for enhancing LPWAN-based IoT connectivity. This letter introduces a novel solution to enhance the efficacy of LPWAN-based IoT by incorporating ARIS. A full cross-layer analysis is provided to illustrate the effectiveness of the solution. Furthermore, the impact of the UAV’s location and the number of reflective elements of the ARIS are examined in practical scenarios. The results illustrate that utilizing an ARIS significantly enhances the performance of the LPWAN-based system and results in a reliable long-range transmission operation.

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用于物联网的空中可重构智能表面辅助 LPWAN：跨层分析

低功耗广域网（LPWAN）技术的利用为众多关键的物联网（IoT）应用带来了巨大的前景，这些应用的特点是数据传输速率低、功耗要求严格。然而，LPWAN 技术面临着种种限制，尤其是在扩大受阻环境的覆盖范围方面。在可重构智能表面（RIS）的各种能力和无人飞行器（UAV）先进功能的推动下，将 RIS 集成到无人飞行器中，形成空中 RIS（ARIS），为增强基于 LPWAN 的物联网连接提供了一个极具吸引力的解决方案。这封信介绍了一种新颖的解决方案，通过将 ARIS 纳入其中来增强基于 LPWAN 的物联网的功效。本文提供了全面的跨层分析，以说明该解决方案的有效性。此外，还在实际场景中研究了无人机位置和 ARIS 反射元件数量的影响。结果表明，利用 ARIS 可大大提高基于 LPWAN 系统的性能，实现可靠的远距离传输操作。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

IEEE Wireless Communications Letters Engineering-Electrical and Electronic Engineering

CiteScore

12.30

自引率

6.30%

发文量

481

期刊介绍： IEEE Wireless Communications Letters publishes short papers in a rapid publication cycle on advances in the state-of-the-art of wireless communications. Both theoretical contributions (including new techniques, concepts, and analyses) and practical contributions (including system experiments and prototypes, and new applications) are encouraged. This journal focuses on the physical layer and the link layer of wireless communication systems.