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To empower the low-altitude economy with high-accuracy sensing and high-rate communication, this paper proposes a cooperative integrated sensing and communication (ISAC) framework for aerial-ground networks. In the proposed system, the…

系统与控制 · 电气工程与系统科学 2025-06-26 Fangzhi Li , Zhichu Ren , Cunhua Pan , Hong Ren , Jing Jin , Qixing Wang , Jiangzhou Wang

Command and control of uncrewed aerial vehicles (UAVs) is often realized through air-to-ground (A2G) remote control (RC) links that operate in ISM bands. While wireless fidelity (Wi-Fi) technology is commonly used for UAV RC links,…

信号处理 · 电气工程与系统科学 2025-07-29 Donggu Lee , Sung Joon Maeng , Ozgur Ozdemir , Mani Bharathi Pandian , Ismail Guvenc

In this paper, we propose a dual-unmanned aerial vehicle (UAV)-enabled secure communication and sensing (SCS) scheme for an air-to-ground integrated sensing and communication (ISAC) system, in which a dual-functional source UAV and jamming…

信息论 · 计算机科学 2025-05-20 Libiao Lou , Yuan Liu , Fotis Foukalas , Hongjiang Lei , Gaofeng Pan , Theodoros A. Tsiftsis , Hongwu Liu

Fifth Generation (5G) cellular networks are expected to provide cellular connectivity for vehicular users, including Unmanned Aerial Vehicles (UAVs). When flying in the air, these users experience strong, unobstructed channel conditions to…

信息论 · 计算机科学 2020-08-31 Boris Galkin , Ramy Amer , Erika Fonseca , Luiz A. DaSilva

Inter-cell interference (ICI) is one of the major performance-limiting factors in the context of modern cellular systems. To tackle ICI, coordinated multi-point (CoMP) schemes have been proposed as a key technology for next-generation…

信息论 · 计算机科学 2019-03-29 Hamed Pezeshki , Masoumeh Sadeghi , Martin Haenggi , J. Nicholas Laneman

When considering unidirectional communication for unmanned aerial vehicles (UAVs) as flying Base Stations (BSs), either uplink or downlink, the system is limited through the co-channel interference that takes place over line-of-sight (LoS)…

信息论 · 计算机科学 2018-05-23 Wenqian Huang , Dong Min Kim , Wenrui Ding , Petar Popovski

This paper studies an unmanned aerial vehicle (UAV)-enabled two-user interference channel for wireless powered communication networks (WPCNs), in which two UAVs wirelessly charge two low-power Internet-of-things (IoT)-devices on the ground…

信息论 · 计算机科学 2019-10-11 Lifeng Xie , Jie Xu , Yong Zeng

Unmanned aerial vehicle (UAV) corridors are sky lanes where UAVs fly through safely between their origin and destination. To ensure the successful operation of UAV corridors, beyond visual line of sight (BVLOS) wireless connectivity within…

信号处理 · 电气工程与系统科学 2024-03-28 Sung Joon Maeng , İsmail Güvenç

This letter studies the pilot contamination (PC) problem for massive multiple-input multiple-output (MIMO) networks with coexisting terrestrial users and unmanned aerial vehicles (UAVs). Due to the strong line-of-sight (LoS) air-to-ground…

信息论 · 计算机科学 2020-06-11 Rui Lu , Qingqing Wu , Rui Zhang

To reuse the scarce spectrum efficiently, a large full-duplex cellular network with integrated sensing and communication (ISAC) is studied. Monostatic detection at the base station (BS) is considered. At the BS, we receive two signals: the…

信息论 · 计算机科学 2024-05-02 Konpal Shaukat Ali , Roberto Bomfin , Marwa Chafii

An integrated access and backhaul (IAB) network architecture can enable flexible and fast deployment of next-generation cellular networks. However, mutual interference between access and backhaul links, small inter-site distance and spatial…

信号处理 · 电气工程与系统科学 2019-07-29 Abdurrahman Fouda , Ahmed S. Ibrahim , Ismail Guvenc , Monisha Ghosh

Unmanned aerial vehicles (UAVs) are powerful Internet-of-Things components to provide sensing and communications in the air due to their advantages in mobility and flexibility. As aerial users, UAVs are envisioned to support various sensing…

信息论 · 计算机科学 2019-04-04 Hongliang Zhang , Lingyang Song , Zhu Han , H. Vincent Poor

Integrated sensing and communication (ISAC) exhibits notable potential for sensing the unmanned aerial vehicles (UAVs), facilitating real-time monitoring of UAVs for security insurance. Due to the low sensing accuracy of single base…

信号处理 · 电气工程与系统科学 2024-04-22 Xi Lu , Zhiqing Wei , Ruizhong Xu , Lin Wang , Bohao Lu , Jinghui Piao

In this paper, we investigate the uplink signal detection approaches in the cell-free massive MIMO systems with unmanned aerial vehicles (UAVs) serving as aerial access points (APs). The ground users are equipped with multiple antennas and…

信息论 · 计算机科学 2023-07-13 Xuesong Pan , Zhong Zheng , Xueqing Huang , Zesong Fei

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 space-air-ground integrated networks (SAGIN), receivers experience diverse interference from both the satellite and terrestrial transmitters. The heterogeneous structure of SAGIN poses challenges for traditional interference management…

信息论 · 计算机科学 2023-08-07 Jingfu Li , Gaojie Chen , Tong Zhang , Wenjiang Feng , Weiheng Jiang , Tony Q. S. Quek , Rahim Tafazolli

Unmanned aerial vehicles (UAVs) integrated into cellular networks face significant challenges from air-to-ground interference. To address this, we propose a downlink UAV communication system that leverages a fluid antenna system (FAS)-…

信号处理 · 电气工程与系统科学 2026-01-30 Ali Reda , Tamer Mekkawy , Theodoros A. Tsiftsis , Chan-Byoung Chae , Kai-Kit Wong

Downlink spatial intercell interference cancellation (ICIC) is considered for mitigating other-cell interference using multiple transmit antennas. A principle question we explore is whether it is better to do ICIC or simply standard…

信息论 · 计算机科学 2009-09-22 Jun Zhang , Jeffrey G. Andrews

To enhance the performance of aerial-ground networks, this paper proposes an integrated sensing and communication (ISAC) framework for multi-UAV systems. In our model, ground base stations (BSs) cooperatively serve multiple unmanned aerial…

系统与控制 · 电气工程与系统科学 2026-05-01 Fangzhi Li , Zhichu Ren , Cunhua Pan , Hong Ren , Jing Jin , Qixing Wang , Jiangzhou Wang

Supporting reliable and seamless mobility for aerial users, such as unmanned aerial vehicles (UAVs), is a key challenge for the next-generation cellular systems. To tackle this challenge, we propose a joint beamforming, user association,…

信息论 · 计算机科学 2020-02-18 Jiancao Hou , Yansha Deng , Mohammad Shikh-Bahaei