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相关论文: Ergodic Sum Rate Analysis of UAV-Based Relay Netwo…

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Relay-assisted free-space optical (FSO) communication systems are exploited as a means to mitigate the limiting effects of the turbulence induced atmospheric scintillation. However, conventional ground relays are stationary, and their…

信息论 · 计算机科学 2021-04-13 Jin-Yuan Wang , Yang Ma , Rong-Rong Lu , Jun-Bo Wang , Min Lin , Julian Cheng

In this paper, we consider an unmanned aerial vehicle (UAV) aided mobile relaying system under a buffer constraint. We propose a new relaying protocol employing mixed free-space optical/radio frequency (FSO/RF) communication, i.e., the…

信息论 · 计算机科学 2020-07-08 Ju-Hyung Lee , Ki-Hong Park , Young-Chai Ko , Mohamed-Slim Alouini

In this work, performance of a multi-antenna multiuser unmanned aerial vehicle (UAV) assisted terrestrial-satellite communication system over mixed free space optics (FSO)/ radio frequency (RF) channels is analyzed. Downlink transmission…

信号处理 · 电气工程与系统科学 2021-09-14 Praveen Kumar Singya , Mohamed-Slim Alouini

In this paper, we investigate the statistics of the free space optics (FSO) communication channel between a hovering unmanned aerial vehicle (UAV) and a central unit. Two unique characteristics make UAV-based FSO systems significantly…

信号处理 · 电气工程与系统科学 2020-03-17 Marzieh Najafi , Hedieh Ajam , Vahid Jamali , Panagiotis D. Diamantoulakis , George K. Karagiannidis , Robert Schober

In this paper we consider a collection of single-antenna ground nodes communicating with a multi-antenna unmanned aerial vehicle (UAV) over a multiple-access ground-to-air wireless communications link. The UAV uses beamforming to mitigate…

信息论 · 计算机科学 2015-03-19 Feng Jiang , A. Lee Swindlehurst

In this paper, we investigate the ergodic sum rate (ESR) capacity achieving uplink (UL) transmit design for massive multiple-input multiple-output (MIMO) low-earth-orbit (LEO) satellite communications with statistical channel state…

信息论 · 计算机科学 2024-02-20 Ke-Xin Li , Xiqi Gao , Xiang-Gen Xia

We illustrate the potential of massive MIMO for communication with unmanned aerial vehicles (UAVs). We consider a scenario where multiple single-antenna UAVs simultaneously communicate with a ground station (GS) equipped with a large number…

信息论 · 计算机科学 2017-12-11 Prabhu Chandhar , Danyo Danev , Erik G. Larsson

This letter studies the impact of fluid antenna system (FAS) technology on the performance of unmanned aerial vehicle (UAV)-assisted multiuser communication networks. Specifically, we consider a scenario where a fixed-position antenna (FPA)…

In this paper, we investigate the performance of a mixed radio-frequency-underwater wireless optical communication (RF-UWOC) system where an unmanned aerial vehicle (UAV), as a low-altitude mobile aerial base station, transmits information…

信息论 · 计算机科学 2020-11-19 Sai Li , Liang Yang , Daniel Benevides da Costa

The free-space optical (FSO) communications can achieve high capacity with huge unlicensed optical spectrum and low operational costs. The corresponding performance analysis of FSO systems over turbulence channels is very limited,…

信息论 · 计算机科学 2016-11-18 Jiayi Zhang , Linglong Dai , Yanjun Han , Yu Zhang , Zhaocheng Wang

Weight reduction and low power consumption are key requirements in the next generation of unmanned aerial vehicle (UAV) networks. Employing modulating retro-reflector (MRR)-based free space optical (FSO) technology is an innovative…

信号处理 · 电气工程与系统科学 2022-03-15 Mohammad Taghi Dabiri , Mohsen Rezaee , Leila Mohammadi , Farhang Javaherian , Vahid Yazdanian , Mazen Omar Hasna , Murat Uysal

In this paper, we consider unmanned aerial vehicles (UAVs) assisted cellular communication system, where UAVs can be used as amplify-and-forward (AF) relays. The effective channel with UAV assisted communication can be modeled as a Rayleigh…

信息论 · 计算机科学 2018-06-28 Sha Hu , Jose Flordelis , Fredrik Rusek , Ove Edfors

We consider a relay network based on Unmanned Aerial Vehicles (UAV). Terrestrial Base Stations (TBS) and UAV Relay Nodes (RN) are modelled using two Homogeneous Poisson Point Processes (HPPP). UAVs can hover at a fixed position or move…

信号处理 · 电气工程与系统科学 2021-07-27 Francois De Saint Moulin , Charles Wiame , Claude Oestges , Luc Vandendorpe

In this paper, we consider unmanned aerial vehicle (UAV) assisted communication systems where a number of UAVs are utilized as multi-tier relays between a number of users and a base-transceiver station (BTS). We model the wireless…

信息论 · 计算机科学 2018-10-24 Sha Hu

In this paper, we consider the application of intelligent reflecting surface (IRS) in unmanned aerial vehicle (UAV)-based orthogonal frequency division multiple access (OFDMA) communication systems, which exploits both the significant…

信息论 · 计算机科学 2020-10-13 Zhiqiang Wei , Yuanxin Cai , Zhuo Sun , Derrick Wing Kwan Ng , Jinhong Yuan , Mingyu Zhou , Lixin Sun

Recently, free-space optical (FSO) communication systems have obtained a wide range of applications for communications between unmanned aerial vehicles (UAVs) because they offer several advantages with respect to the traditional RF…

信号处理 · 电气工程与系统科学 2021-06-30 Mohammad Taghi Dabiri , Seyed Mohammad Sajad Sadough , Himan Savojbolaghchi

This paper pioneers the field of multi-user holographic unmanned aerial vehicle (UAV) communications, laying a solid foundation for future innovations in next-generation aerial wireless networks. The study focuses on the challenging problem…

Unmanned aerial vehicles (UAV) have emerged as a practical solution that provides on-demand services to users in areas where the terrestrial network is non-existent or temporarily unavailable, e.g., due to natural disasters or network…

信号处理 · 电气工程与系统科学 2023-05-09 Asad Mahmood , Thang X. Vu , Symeon Chatzinotas , Björn Ottersten

This paper introduces the deployment of unmanned aerial vehicles (UAVs) as lightweight wireless access points that leverage the fixed infrastructure in the context of the emerging open radio access network (O-RAN). More precisely, we…

系统与控制 · 电气工程与系统科学 2022-11-22 Hossein Mohammadi , Vuk Marojevic , Bodong Shang

In this paper, we analyze the ergodic sum-rate of a multi-cell downlink system with base station (BS) cooperation using regularized zero-forcing (RZF) precoding. Our model assumes that the channels between BSs and users have independent…

信息论 · 计算机科学 2016-11-15 Jun Zhang , Chao-Kai Wen , Shi Jin , Xiqi Gao , Kai-Kit Wong
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