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In this paper, we study a multi-cluster Wireless Powered Communication Network (WPCN) where each cluster of users cooperate with a Cluster Head (CH) and a Hybrid Access Point (HAP). All users are equipped with multiple antennas. This HAP…

Information Theory · Computer Science 2022-11-18 Omid Rezaei , Maryam Masjedi , Mohammad Mahdi Naghsh , Saeed Gazor , Mohammad Mahdi Nayebi

We investigate fast data aggregation via over-the-air computation (AirComp) over wireless networks. In this scenario, an access point (AP) with multiple antennas aims to recover the arithmetic mean of sensory data from multiple wireless…

Information Theory · Computer Science 2024-04-23 Hongbin Zhu , Hua Qian

A novel multiuser communication system with movable antennas (MAs) is proposed, where the antenna position optimization is exploited to enhance the downlink sum-rate. The joint optimization of the transmit beamforming vector and transmit MA…

Signal Processing · Electrical Eng. & Systems 2023-09-26 Zhenqiao Cheng , Nanxi Li , Jianchi Zhu , Chongjun Ouyang

Stratospheric solar-powered high-altitude platform stations (HAPS) have recently gained immense popularity for their ubiquitous connectivity and resilient operation while providing/catalyzing advanced mobile wireless communication services.…

Signal Processing · Electrical Eng. & Systems 2024-06-05 Sidrah Javed , Mohamed-Slim Alouini

In unmanned aerial vehicle (UAV) networks, directional modulation (DM) is adopted to improve the secrecy rate (SR) performance. Alice, a ground base station, behaves as a control center, and Bob is a UAV of flying along a linear flight…

Information Theory · Computer Science 2018-08-15 Feng Shu , Zaoyu Lu , Jinyong Lin , Linlin Sun , Xiaobo Zhou , Tingting Liu , Shuo Zhang , Wenlong Cai , Jinhui Lu , Jin Wang

One of the major challenges slowing down the use of unmanned aerial vehicles (UAVs) as aerial base stations (ABSs) is the limited on-board power supply which reduces the UAV's flight time. Using a tether to provide UAVs with power can be…

Systems and Control · Electrical Eng. & Systems 2023-04-12 Safa Khemiri , Mustafa A. Kishk , Mohamed-Slim Alouini

To enhance both the sensing and covert communication performance, a dual-unmanned aerial vehicle (UAV)-aided scheme is proposed for integrated sensing and communication networks, in which one UAV maneuvers as the aerial dual-functional…

Information Theory · Computer Science 2025-06-03 Jingke Sun , Liang Yang , Alexandros-Apostolos A. Boulogeorgos , Theodoros A. Tsiftsis , Hongwu Liu

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…

Information Theory · Computer Science 2020-10-13 Zhiqiang Wei , Yuanxin Cai , Zhuo Sun , Derrick Wing Kwan Ng , Jinhong Yuan , Mingyu Zhou , Lixin Sun

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

High altitude platform stations (HAPS) offer a promising solution for achieving ubiquitous connectivity in next-generation wireless networks (xG). Integrating HAPS with terrestrial networks, creating HAPS-empowered vertical heterogeneous…

Systems and Control · Electrical Eng. & Systems 2026-05-21 Afsoon Alidadi Shamsabadi , Animesh Yadav , Halim Yanikomeroglu

Unmanned aerial vehicles (UAVs)-enabled aerial communication provides a flexible, reliable, and cost-effective solution for a range of wireless applications. However, due to the high line-of-sight (LoS) probability, aerial communications…

Networking and Internet Architecture · Computer Science 2024-04-12 Jiahui Li , Geng Sun , Qingqing Wu , Shuang Liang , Pengfei Wang , Dusit Niyato

In sixth-generation (6G) cellular networks and beyond, aerial platforms, such as uncrewed aerial vehicles (UAVs) and high-altitude platform stations (HAPS), are anticipated to play a crucial role in enhancing connectivity, expanding network…

Signal Processing · Electrical Eng. & Systems 2026-04-24 Faicel Khennoufa , Khelil Abdellatif , Halim Yanikomeroglu , Safwan Alfattani , Metin Ozturk , Ferdi Kara

In this letter, we investigate a joint power and beamforming design problem for rate-splitting multiple access (RSMA)-based aerial communications with energy harvesting, where a self-sustainable aerial base station serves multiple users by…

Information Theory · Computer Science 2023-06-23 Jaehyup Seong , Mesut Toka , Wonjae Shin

Aiding the ground cellular network with aerial base stations carried by drones has experienced an intensive raise of interest in the past years. Reconfigurable air-to-ground channels enable aerial stations to enhance users access links by…

Networking and Internet Architecture · Computer Science 2023-07-13 Edgar Arribas , Vincenzo Mancuso , Vicent Cholvi

Extremely large-scale multiple-input multiple-output (XL-MIMO) is the development trend of future wireless communications. However, the extremely large-scale antenna array could bring inevitable nearfield and dual-wideband effects that…

Information Theory · Computer Science 2024-09-13 Jie Xu , Li You , George C. Alexandropoulos , Xinping Yi , Wenjin Wang , Xiqi Gao

To meet the ambitious goals of next-generation 6G networks, including ultra-high data rates and ubiquitous coverage, we propose a novel high-altitude platform station (HAPS)-based integrated sensing and communication (ISAC) architecture.…

Signal Processing · Electrical Eng. & Systems 2025-10-28 Parisa Kanani , Mohammad Javad Omidi , Mahmoud Modarres-Hashemi , Halim Yanikomeroglu

In this paper, we consider a wireless powered multi-relay network in which a multi-antenna hybrid access point underlaying a cellular system transmits information to distant receivers. Multiple relays capable of energy harvesting are…

Information Theory · Computer Science 2018-10-23 Jing Xu , Yuze Zou , Shimin Gong , Lin Gao , Dusit Niyato , Wenqing Cheng

This paper studies the feasibility of supporting drone operations using existent cellular infrastructure. We propose an analytical framework that includes the effects of base station (BS) height and antenna radiation pattern, drone antenna…

Networking and Internet Architecture · Computer Science 2018-02-05 Mohammad Mahdi Azari , Fernando Rosas , Sofie Pollin

The high altitude platform station (HAPS) concept has recently received notable attention from both industry and academia to support future wireless networks. A HAPS can be equipped with 5th generation (5G) and beyond technologies such as…

Signal Processing · Electrical Eng. & Systems 2023-06-23 Safwan Alfattani , Wael Jaafar , Halim Yanikomeroglu , Abbas Yongaçoglu

Low-altitude wireless networks (LAWNs) represent a promising architecture that integrates unmanned aerial vehicles (UAVs) as aerial nodes to provide enhanced coverage, reliability, and throughput for diverse applications. However, these…

Networking and Internet Architecture · Computer Science 2025-10-28 Jiahui Li , Xinyue Liang , Geng Sun , Hui Kang , Jiacheng Wang , Dusit Niyato , Shiwen Mao , Abbas Jamalipour
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