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相关论文: Channel Characterization of UAV-RIS-aided Systems …

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This paper studies the statistical characterization of ground-to-air (G2A) and reconfigurable intelligent surface (RIS)-assisted air-to-ground (A2G) communications with unmanned aerial vehicles (UAVs) in terrestrial and non-terrestrial…

信号处理 · 电气工程与系统科学 2024-02-01 Thanh Luan Nguyen , Georges Kaddoum , Tri Nhu Do , Zygmunt J. Haas

This paper studies the statistical characterization of ground-to-air (G2A) and reconfigurable intelligent surface (RIS)-assisted air-to-ground (A2G) communications in RIS-assisted UAV networks under the impact of channel aging. A…

信息论 · 计算机科学 2024-08-02 Thanh Luan Nguyen , Georges Kaddoum , Tri Nhu Do , Zygmunt J. Haas

Communication infrastructure is often severely disrupted in post-disaster areas, which interrupts communications and impedes rescue. Recently, the technology of reconfigurable intelligent surface (RIS)-equipped-UAV has been investigated as…

信息论 · 计算机科学 2024-06-18 Yinong Chen , Wenchi Cheng , Wei Zhang

Reconfigurable intelligent surfaces (RISs) are expected to make future 6G networks more connected and resilient against node failures, due to their ability to introduce controllable phase-shifts onto impinging electromagnetic waves and…

信息论 · 计算机科学 2023-08-22 Mohammed S. Al-Abiad , Mohammad Javad-Kalbasi , Shahrokh Valaee

Unmanned Aerial Vehicles (UAVs) play a pivotal role in the emerging low-altitude economy. However, they face significant challenges in achieving reliable network coverage during transit operations. This paper provides an in-depth…

信息论 · 计算机科学 2026-01-26 Yajun Zhao , Mengnan Jian , Yifei Yuan

Thanks to the line-of-sight (LoS) transmission and flexibility, unmanned aerial vehicles (UAVs) effectively improve the throughput of wireless networks. Nevertheless, the LoS links are prone to severe deterioration by complex propagation…

信息论 · 计算机科学 2019-12-10 Sixian Li , Bin Duo , Xiaojun Yuan , Ying-Chang Liang , Marco Di Renzo

Next generation mobile networks need to expand towards uncharted territories in order to enable the digital transformation of society. In this context, aerial devices such as unmanned aerial vehicles (UAVs) are expected to address this gap…

信息论 · 计算机科学 2021-05-11 Placido Mursia , Francesco Devoti , Vincenzo Sciancalepore , Xavier Costa-Pérez

Given its ability to control and manipulate wireless environments, reconfigurable intelligent surface (RIS), also known as intelligent reflecting surface (IRS), has emerged as a key enabler technology for the six-generation (6G) cellular…

信号处理 · 电气工程与系统科学 2021-02-01 Ahmed Al-Hilo , Moataz Samir , Mohamed Elhattab , Chadi Assi , Sanaa Sharafeddine

This paper proposes a solution for energy-efficient communication in reconfigurable intelligent surface (RIS)-assisted unmanned aerial vehicle (UAV) networks. The limited battery life of UAVs is a major concern for their sustainable…

信息论 · 计算机科学 2023-08-21 Mohammad Javad-Kalbasi , Mohammed S Al-Abiad , Shahrokh Valaee

In this paper, we propose and investigate an aerial reconfigurable intelligent surface (aerial-RIS)-aided wireless communication system. Specifically, considering practical composite fading channels, we characterize the air-to-ground (A2G)…

Reconfigurable intelligent surface (RIS) is pivotal for beyond 5G networks in regards to the surge demand for reliable communication in unmanned aerial vehicle (UAV) networks. This paper presents an innovative approach to maximize…

信息论 · 计算机科学 2024-10-24 Mohammed Saif , Shahrokh Valaee

Internet-of-vehicle (IoV) is a general concept referring to, e.g., autonomous drive based vehicle-to-everything (V2X) communications or moving relays. Here, high rate and reliability demands call for advanced multi-antenna techniques and…

信息论 · 计算机科学 2023-11-10 Hao Guo , Behrooz Makki , Magnus Åström , Mohamed-Slim Alouini , Tommy Svensson

In this paper, we study the performance of multiple reconfigurable intelligent surfaces (RISs)-aided unmanned aerial vehicle (UAV) communication networks over Nakagami-$m$ fading channels. For that purpose, we used accurate closed-form…

信息论 · 计算机科学 2023-03-21 Khaled Alshehri , Anas M. Salhab , Ali Arshad Nasir

A reconfigurable intelligent surface (RIS) is a metamaterial that can be integrated into walls and influence the propagation of electromagnetic waves. This, typically passive radio frequency (RF) technology is emerging for indoor and…

信号处理 · 电气工程与系统科学 2020-12-10 Aly Sabri Abdalla , Talha Faizur Rahman , Vuk Marojevic

The effective integration of unmanned aerial vehicles (UAVs) in future wireless communication systems depends on the conscious use of their limited energy, which constrains their flight time. Reconfigurable intelligent surfaces (RISs) can…

Existing works mainly rely on the far-field planar-wave-based channel model to assess the performance of reconfigurable intelligent surface (RIS)-enabled wireless communication systems. However, when the transmitter and receiver are in…

信号处理 · 电气工程与系统科学 2024-03-20 Hao Jiang , Wangqi Shi , Zaichen Zhang , Cunhua Pan , Qingqing Wu , Feng Shu , Ruiqi Liu , Jiangzhou Wang

Aerial communication is gradually taking an assertive role within common societal behaviors by means of unmanned aerial vehicles (UAVs), high-altitude platforms (HAPs), and fixed-wing aircrafts (FWAs). Such devices can assist general…

信息论 · 计算机科学 2022-05-19 Francesco Devoti , Placido Mursia , Vincenzo Sciancalepore , Xavier Costa-Perez

Reconfigurable intelligent surfaces (RIS) have been actively researched as a potential technique for future wireless communications, which intelligently ameliorate the signal propagation environment. In the conventional design, each RIS…

A reconfigurable intelligent surface (RIS) is a holographic MIMO surface composed of a large number of passive elements that can induce adjustable phase shifts to the impinging waves. By creating virtual line-of-sight (LOS) paths between…

信号处理 · 电气工程与系统科学 2023-04-06 Mehdi Haghshenas , Parisa Ramezani , Maurizio Magarini , Emil Björnson

This works explores the correlation between channels in reconfigurable intelligent surface (RIS)-aided communication systems. In this type of system, an RIS made up of many passive elements with adjustable phases reflects the transmitter's…

信息论 · 计算机科学 2023-05-04 Kuang-Hao , Liu
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