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Recent Advances in UAV Communications and Networks

A special issue of Sensors (ISSN 1424-8220). This special issue belongs to the section "Sensor Networks".

Deadline for manuscript submissions: 20 August 2025 | Viewed by 888

Special Issue Editors

Information Engineering School, Nanchang University, Nanchang 330031, China
Interests: UAV communications; edge computing; integrated sensing and communication; reconfigurable intelligence surface

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Guest Editor
School of Information and Communications Engineering, Beijing University of Posts and Telecommunications, Beijing 100876, China
Interests: mobile computing networks; UAV communication network; moving edge collaborative computing; future network convergence and management; large-scale antenna and cooperative communication; wireless resource management

Special Issue Information

Dear Colleagues,

Unmanned aerial vehicle (UAV) communications have grown rapidly and have been applied in many scenarios over the past few years. However, many challenges remain. On one hand, various emerging technologies such as extremely large-scale arrays (XL-arrays), reconfigurable intelligent surfaces (RISs), edge intelligence, and integrated sensing and communication will be integrated into UAV communications. This integration necessitates the development of more efficient yet low-complexity algorithms for managing network resources. Additionally, the use of high-spectrum and large-scale arrays shifts traditional far-field UAV communications into near-field communications (NFCs), resulting in different signal transmission models. On the other hand, advanced methods for two-dimensional (2D) and three-dimensional (3D) UAV trajectory design are essential for UAV communications and networks. Furthermore, in future 6G systems, dedicated UAVs will face more complex environments. Factors such as the channel characteristics of air–ground links, quality of service (QoS) requirements, and multi-UAV cooperation would be considered in the joint optimization of UAV trajectories and network resource allocation.

This Special Issue calls for papers related to all aspects of UAV communications and networks. Topics of interest in this Special Issue include but are not limited to the following:

  1. XL-array communications for UAV networks;
  2. RIS-assisted UAV communications or UAV-mounted RIS communications;
  3. Near-field communications for UAV networks;
  4. 3D beamforming for UAV communications and networks;
  5. Radio map techniques for UAV communications and networks;
  6. Edge intelligence for UAV communications and networks;
  7. Millimeter-wave or terahertz communications for UAV networks;
  8. Channel modeling for UAV–ground and UAV–UAV communications;
  9. Joint trajectory and resource optimization for UAV communications;
  10. Integrated sensing, communication, and computing for UAV networks;
  11. Machine learning-based optimization for UAV communications and networks;
  12. Spectrum/energy efficiency for UAV communications and networks;
  13. Physical layer security for UAV communications and networks;
  14. Cellular-connected UAV communications;
  15. Advanced trajectory optimization methods for UAV communications;
  16. Accurate propulsion energy consumption model for UAV 3D flight;
  17. UAV meets Internet of Things, Internet of Vehicles, AR/VR, etc.

Dr. Yu Xu
Prof. Dr. Tiankui Zhang
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Sensors is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2600 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • UAV
  • resource allocation
  • trajectory design
  • 6G
  • optimization algorithm

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Published Papers (1 paper)

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Research

20 pages, 10280 KiB  
Article
A Texture Reconstructive Downsampling for Multi-Scale Object Detection in UAV Remote-Sensing Images
by Wenhao Zheng, Bangshu Xiong, Jiujiu Chen, Qiaofeng Ou and Lei Yu
Sensors 2025, 25(5), 1569; https://doi.org/10.3390/s25051569 - 4 Mar 2025
Viewed by 592
Abstract
Unmanned aerial vehicle (UAV) remote-sensing images present unique challenges to the object-detection task due to uneven object densities, low resolution, and drastic scale variations. Downsampling is an important component of deep networks that expands the receptive field, reduces computational overhead, and aggregates features. [...] Read more.
Unmanned aerial vehicle (UAV) remote-sensing images present unique challenges to the object-detection task due to uneven object densities, low resolution, and drastic scale variations. Downsampling is an important component of deep networks that expands the receptive field, reduces computational overhead, and aggregates features. However, object detectors using multi-layer downsampling result in varying degrees of texture feature loss for various scales in remote-sensing images, degrading the performance of multi-scale object detection. To alleviate this problem, we propose a lightweight texture reconstructive downsampling module called TRD. TRD models part of the texture features lost as residual information during downsampling. After modeling, cascading downsampling and upsampling operators provide residual feedback to guide the reconstruction of the desired feature map for each downsampling stage. TRD structurally optimizes the feature-extraction capability of downsampling to provide sufficiently discriminative features for subsequent vision tasks. We replace the downsampling module of the existing backbone network with the TRD module and conduct a large number of experiments and ablation studies on a variety of remote-sensing image datasets. Specifically, the proposed TRD module improves 3.1% AP over the baseline on the NWPU VHR-10 dataset. On the VisDrone-DET dataset, the TRD improves 3.2% AP over the baseline with little additional cost, especially the APS, APM, and APL by 3.1%, 8.8%, and 13.9%, respectively. The results show that TRD enriches the feature information after downsampling and effectively improves the multi-scale object-detection accuracy of UAV remote-sensing images. Full article
(This article belongs to the Special Issue Recent Advances in UAV Communications and Networks)
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