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Unmanned Aerial Vehicles (UAVs) are increasingly used in a plethora of applications such as shipping, surveillance, and search-and-rescue. For UAVs to operate safely, reliable cellular connectivity is essential. Utilizing the terrestrial…

Systems and Control · Electrical Eng. & Systems 2025-03-27 Nesrine Cherif , Qurrat-Ul-Ain Nadeem

This paper investigates the movable antenna (MA)- assisted downlink non-orthogonal multiple access (NOMA) network to maximize system throughput. In the considered scenario, both the base station (BS) and users are equipped with MA, and a…

Signal Processing · Electrical Eng. & Systems 2025-07-28 Yufeng Zhou , Wen Chen , Qingqing Wu , Xusheng Zhu , Zhendong Li , Kunlun Wang , Qiong Wu

Driven by the recent advancement in unmanned aerial vehicle (UAV) technology, this paper proposes a new wireless network architecture of \emph{coordinate multipoint (CoMP) in the sky} to harness both the benefits of interference mitigation…

Information Theory · Computer Science 2018-03-01 Liang Liu , Shuowen Zhang , Rui Zhang

We consider a cellular network deployment where UAV-to-UAV (U2U) transmit-receive pairs share the same spectrum with the uplink (UL) of cellular ground users (GUEs). For this setup, we focus on analyzing and comparing the performance of two…

Information Theory · Computer Science 2019-12-17 M. Mahdi Azari , Giovanni Geraci , Adrian Garcia-Rodriguez , Sofie Pollin

Innovative reconfigurable intelligent surface (RIS) technologies are rising and recognized as promising candidates to enhance 6G and beyond wireless communication systems. RISs acquire the ability to manipulate electromagnetic signals,…

Unmanned aerial vehicles (UAVs) have emerged as the potential aerial base stations (BSs) to improve terrestrial communications. However, the limited onboard energy and antenna power of a UAV restrict its communication range and transmission…

Neural and Evolutionary Computing · Computer Science 2025-02-11 Geng Sun , Jian Xiao , Jiahui Li , Jiacheng Wang , Jiawen Kang , Dusit Niyato , Shiwen Mao

The integration of reconfigurable intelligent surfaces (RISs) and unmanned aerial vehicles (UAVs) has emerged as a promising solution for enhancing connectivity in future wireless networks. This paper designs well-connected and resilient…

Information Theory · Computer Science 2025-05-02 Mohammed Saif , Shahrokh Valaee

The integration of unmanned aerial vehicles (UAVs) into wireless networks has opened a new horizon to meet the capacity and coverage requirements foreseen in future wireless networks. Harnessing UAVs as flying base stations (BSs) has helped…

Networking and Internet Architecture · Computer Science 2018-10-19 Rabe Arshad , Lutz Lampe , Hesham ElSawy , Md. Jahangir Hossain

Non Orthogonal Multiple Access (NOMA) is a key technique to satisfy large users densities in future wireless networks. However, NOMA may provide poor performance compared to Orthogonal Multiple Access (OMA) due to inter-user interference.…

Information Theory · Computer Science 2020-04-07 Mylene Pischella , Ivan Stupia , Luc Vandendorpe

A simultaneously transmitting and reflecting reconfigurable intelligent surface (STAR-RIS) assisted downlink (DL) active and uplink (UL) backscatter communication (BackCom) framework is proposed. More particularly, a full-duplex (FD) base…

Information Theory · Computer Science 2024-03-25 Ao Huang , Xidong Mu , Li Guo

This paper exploits the networked integrated sensing and communications (ISAC) to support low-altitude economy (LAE), in which a set of networked ground base stations (GBSs) cooperatively transmit joint information and sensing signals to…

Signal Processing · Electrical Eng. & Systems 2024-06-26 Gaoyuan Cheng , Xianxin Song , Zhonghao Lyu , Jie Xu

Driven by the demands of 5G/Beyond 5G and 6G networks, Unmanned Aerial Vehicles (UAVs) have surfaced in critical roles for aerial communications. In the present survey, we explore the multi-mode roles of UAVs as relays, User Equipment (UE),…

Emerging Technologies · Computer Science 2026-04-21 Riddhi Apte , Shubhada Gadgil , Gaurav Kasbekar , Rushikesh Patil , Prasanna Chaporkar

UAV-based wireless systems, such as wireless relay and remote sensing, have attracted great attentions from academia and industry. To realize them, a high-performance wireless aerial communication system, which bridges UAVs and ground…

Information Theory · Computer Science 2022-02-02 Tao Yu , Kiyomichi Araki , Kei Sakaguchi

Non-orthogonal multiple access (NOMA) is a promising technique for ultra-reliable low-latency communication as it provides higher spectral efficiency and lower latency. In this work, we propose novel many-to-many (M2M) NOMA-based schemes to…

Signal Processing · Electrical Eng. & Systems 2024-08-22 Mohammed S. Bahbahani , Hamad Yahya , Emad Alsusa

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…

Information Theory · Computer Science 2020-01-31 Lin Xiang , Lei Lei , Symeon Chatzinotas , Björn Ottersten , Robert Schober

Compressed sensing (CS)-based techniques have been widely applied in the grant-free non-orthogonal multiple access (NOMA) to a single-antenna base station (BS). In this paper, we consider the multi-antenna reception at the BS for uplink…

Signal Processing · Electrical Eng. & Systems 2025-03-11 Guoqing Xia , Pei Xiao , Bohan Li , Yue Zhang , Huiyu Zhou

Revolutionary sixth-generation wireless communications technologies and applications, notably digital twin networks (DTN), connected autonomous vehicles (CAVs), space-air-ground integrated networks (SAGINs), zero-touch networks, industry…

This paper investigates a novel communication paradigm employing movable antennas (MAs) within a multiple-input single-output (MISO) non-orthogonal multiple access (NOMA) downlink framework, where users are equipped with MAs. Initially,…

Information Theory · Computer Science 2024-08-09 Yufeng Zhou , Wen Chen , Qingqing Wu , Xusheng Zhu , Nan Cheng

Movable antenna (MA) systems have recently attracted significant attention in the field of wireless communications owing to their exceptional capability to proactively reconfigure wireless channels via flexible antenna movements. In this…

Signal Processing · Electrical Eng. & Systems 2025-07-22 Nianzu Li , Peiran Wu , Lipeng Zhu , Weidong Mei , Boyu Ning , Derrick Wing Kwan Ng

Driven by the ever-increasing requirements of ultra-high spectral efficiency, ultra-low latency, and massive connectivity, the forefront of wireless research calls for the design of advanced next generation multiple access schemes to…

Information Theory · Computer Science 2024-05-22 Lu Lv , Dongyang Xu , Rose Qingyang Hu , Yinghui Ye , Long Yang , Xianfu Lei , Xianbin Wang , Dong In Kim , Arumugam Nallanathan