中文
相关论文

相关论文: On the Downlink Performance of RSMA-based UAV Comm…

200 篇论文

This paper investigates ground-aerial uplink non-orthogonal multiple access (NOMA) cellular networks. A rotary-wing unmanned aerial vehicle (UAV) user and multiple ground users (GUEs) are served by ground base stations (GBSs) by utilizing…

信息论 · 计算机科学 2020-05-26 Xidong Mu , Yuanwei Liu , Li Guo , Jiaru Lin

Unmanned aerial vehicles (UAVs) can be used as aerial wireless base stations when cellular networks go down. Prior studies on UAV-based wireless coverage typically consider downlink scenarios from an aerial base station to ground users. In…

信息论 · 计算机科学 2018-04-09 Hazim Shakhatreh , Abdallah Khreishah

This work studies the optimization of rate-splitting multiple access (RSMA) transmission technique for a cloud radio access network (C-RAN) downlink system. Main idea of RSMA is to split the message for each user equipment (UE) to private…

信号处理 · 电气工程与系统科学 2019-07-05 Daesung Yu , Junbeom Kim , Seok-Hwan Park

Aerial base stations (BSs) attached to unmanned aerial vehicles (UAVs) constitute a new paradigm for next-generation cellular communications. However, the flight range and communication capacity of aerial BSs are usually limited due to the…

信息论 · 计算机科学 2020-01-31 Lin Xiang , Lei Lei , Symeon Chatzinotas , Björn Ottersten , Robert Schober

Unmanned aerial vehicles (UAVs) have emerged as a promising solution to provide wireless data access for ground users in various applications (e.g., in emergence situations). This paper considers a UAV-enabled wireless network, in which…

信息论 · 计算机科学 2019-03-21 Peiming Li , Jie Xu

The usage of Reconfigurable Intelligent Surfaces (RIS) in conjunction with Unmanned Ariel Vehicles (UAVs) is being investigated as a way to provide energy-efficient communication to ground users in dense urban areas. In this paper, we…

This paper investigates the performance of downlink non-orthogonal multiple access (NOMA) communication in unmanned aerial vehicle (UAV) networks enhanced by partitionable reconfigurable intelligent surfaces (RISs). We analyze three types…

信息论 · 计算机科学 2025-10-03 Masoud Ghazikor , Van Ly Nguyen , Morteza Hashemi

NOMA (non-orthogonal multiple access) will be seen as a promising technology for enhancing spectrum efficiency in future cellular networks. The use of unmanned aerial vehicle (UAV) Amplify-and-Forward (AF) relaying as a moving access point…

信息论 · 计算机科学 2023-04-27 Ghania Khraimech , Fatiha Merazka

In order to overcome the inherent latency in multi-user unmanned aerial vehicle (UAV) networks with orthogonal multiple access (OMA). In this paper, we investigate the UAV enabled uplink non-orthogonal multiple access (NOMA) network, where…

信号处理 · 电气工程与系统科学 2019-08-27 Jinhui Lu , Yuntian Wang , Tingting Liu , Zhihong Zhuang , Xiaobo Zhou , Feng Shu , Zhu Han

Unmanned aerial vehicles (UAVs) as aerial base stations (BSs) are able to provide not only the communication service to ground users, but also the sensing functionality to localize targets of interests. In this paper, we consider an…

系统与控制 · 电气工程与系统科学 2022-07-08 Xiaoye Jing , Fan Liu , Christos Masouros , Yong Zeng

With the increasing number of wireless communication systems and the demand for bandwidth, the wireless medium has become a congested and contested environment. Operating under such an environment brings several challenges, especially for…

信息论 · 计算机科学 2022-02-17 Onur Dizdar , Bruno Clerckx

Rate-Splitting Multiple Access (RSMA), relying on multi-antenna Rate-Splitting (RS) techniques, has emerged as a powerful strategy for multi-user multi-antenna systems. In this paper, RSMA is introduced as a unified multiple access for…

信号处理 · 电气工程与系统科学 2020-03-09 Chengcheng Xu , Bruno Clerckx , Shiwa Chen , Yijie Mao , Jianyun Zhang

The growing demand for low-latency computing in 6G is driving the use of UAV-based low-altitude mobile edge computing (MEC) systems. However, limited spectrum often leads to severe uplink interference among ground terminals (GTs). In this…

网络与互联网体系结构 · 计算机科学 2025-07-18 Xudong Wang , Hongyang Du , Lei Feng , Kaibin Huang

This study investigates a downlink rate-splitting multiple access (RSMA) scenario in which multiple base stations (BSs), employing a coordinated multi-point (CoMP) transmission scheme, serve users equipped with movable antenna (MA)…

信号处理 · 电气工程与系统科学 2025-02-25 Ali Amhaz , Shreya Khisa , Mohamed Elhattab , Chadi Assi , Sanaa Sharafeddine

In this paper, we study the transmission strategy of a ground-based beyond diagonal reconfigurable intelligent surface (BD-RIS), a.k.a RIS 2.0, in a network where multiple unmanned aerial vehicles (UAVs) simultaneously transmit signals to…

信号处理 · 电气工程与系统科学 2023-12-18 Aamer Mohamed Huroon , Yu-Chih Huang , Li-Chun Wang

Effective solutions for intelligent data collection in terrestrial cellular networks are crucial, especially in the context of Internet of Things applications. The limited spectrum and coverage area of terrestrial base stations pose…

系统与控制 · 电气工程与系统科学 2024-06-04 Abhishek Mondal , Deepak Mishra , Ganesh Prasad , George C. Alexandropoulos , Azzam Alnahari , Riku Jantti

In this paper, the optimization of deploying unmanned aerial vehicles (UAVs) over a reconfigurable intelligent surfaces (RISs)-assisted visible light communication (VLC) system is studied. In the considered model, UAVs are required to…

信息论 · 计算机科学 2020-12-25 Yihan Cang , Ming Chen , Zhaohui Yang , Mingzhe Chen , Chongwen Huang

Unmanned aerial vehicles (UAVs) are expected to be used extensively in the future for various applications, either as user equipment (UEs) connected to a cellular wireless network, or as an infrastructure extension of an existing wireless…

信号处理 · 电气工程与系统科学 2022-12-01 Sung Joon Maeng , Jaehyun Park , Ismail Guvenc

Deployment of unmanned aerial vehicles (UAVs) as aerial base stations can deliver a fast and flexible solution for serving varying traffic demand. In order to adequately benefit of UAVs deployment, their efficient placement is of utmost…

信号处理 · 电气工程与系统科学 2020-03-06 Atefeh Hajijamali Arani , M. Mahdi Azari , William Melek , Safieddin Safavi-Naeini

Unmanned aerial vehicles (UAVs) with multiple antennas have recently been explored to improve capacity in wireless networks. However, the strict energy constraint of UAVs, given their simultaneous flying and communication tasks, renders the…

信号处理 · 电气工程与系统科学 2024-05-21 Hosein Zarini , Maryam Farajzadeh Dehkordi , Armin Farhadi , Mohammad Robat Mili , Ali Movaghar , Mehdi Rasti , Yonghui Li , Kai-Kit Wong