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With the growing reliance on the vulnerable Automatic Dependent Surveillance-Broadcast (ADS-B) protocol in air traffic management (ATM), ensuring security is critical. This study investigates emerging machine learning models and training…

密码学与安全 · 计算机科学 2025-10-10 Mikaëla Ngamboé , Jean-Simon Marrocco , Jean-Yves Ouattara , José M. Fernandez , Gabriela Nicolescu

This paper confronts the pressing challenges of sixth-generation (6G) wireless communication networks by harnessing the unique capabilities of Unmanned Aerial Vehicles (UAVs). With the ambitious promises of 6G, including ultra-reliable 1…

密码学与安全 · 计算机科学 2024-02-20 Atefeh Mohseni Ejiyeh

Controller Area Networks (CANs) are the backbone for reliable intra-vehicular communication. Recent cyberattacks have, however, exposed the weaknesses of CAN, which was designed without any security considerations in the 1980s. Current…

密码学与安全 · 计算机科学 2025-04-24 Eric Wagner , Frederik Basels , Jan Bauer , Till Zimmermann , Klaus Wehrle , Martin Henze

Having everything interconnected through the Internet, including vehicle onboard systems, is making security a primary concern in the automotive domain as well. Although Ethernet and CAN XL provide link-level security based on symmetric…

密码学与安全 · 计算机科学 2025-03-03 Gianluca Cena , Lucia Seno , Stefano Scanzio

As part of its ongoing efforts to meet the increased spectrum demand, the Federal Communications Commission (FCC) has recently opened up 150 MHz in the 3.5 GHz band for shared wireless broadband use. Access and operations in this band, aka…

网络与互联网体系结构 · 计算机科学 2019-07-09 Mohamed Grissa , Attila A. Yavuz , Bechir Hamdaoui

A continuous aperture array (CAPA)-based secure communication system is investigated, where a base station equipped with a CAPA transmits signals to a legitimate user under the existence of an eavesdropper. For improving the secrecy…

信号处理 · 电气工程与系统科学 2025-04-16 Jingjing Zhao , Haowen Song , Xidong Mu , Kaiquan Cai , Yanbo Zhu , Yuanwei Liu

The integration of air and ground smart vehicles is becoming a new paradigm of future transportation. A decent number of smart unmanned vehicles or UAS will be sharing the national airspace for various purposes, such as express delivery,…

密码学与安全 · 计算机科学 2021-10-19 Yongxin Liu , Jian Wang , Yingjie Chen , Shuteng Niu , Zhihan Lv , Lei Wu , Dahai Liu , Houbing Song

Advances in automatic speaker verification (ASV) promote research into the formulation of spoofing detection systems for real-world applications. The performance of ASV systems can be degraded severely by multiple types of spoofing attacks,…

声音 · 计算机科学 2024-08-27 Zhenyu Wang , John H. L. Hansen

Beam alignment (BA) is a crucial process in millimeter-wave (mmWave) communications, enabling precise directional transmission and efficient link establishment. However, due to characteristics like omnidirectional exposure and the broadcast…

密码学与安全 · 计算机科学 2025-07-15 Yulin Teng , Keshuang Han , Pinchang Zhang , Xiaohong Jiang , Yulong Shen , Fu Xiao

In real-world applications, it is challenging to build a speaker verification system that is simultaneously robust against common threats, including spoofing attacks, channel mismatch, and domain mismatch. Traditional automatic speaker…

音频与语音处理 · 电气工程与系统科学 2024-09-11 Chang Zeng , Xiaoxiao Miao , Xin Wang , Erica Cooper , Junichi Yamagishi

We analyse the performance of the IEEE 802.11bd MAC protocol, with Enhanced Distributed Channel Access (EDCA) and repeated transmissions, in terms of the MAC access delay of packets pertaining to safety-related events. We outline Markov…

网络与互联网体系结构 · 计算机科学 2023-12-13 Aditya Sarkar , Sreelakshmi Manjunath

The environment of low-altitude urban airspace is complex and variable due to numerous obstacles, non-cooperative aircrafts, and birds. Unmanned aerial vehicles (UAVs) leveraging environmental information to achieve three-dimension…

系统与控制 · 电气工程与系统科学 2024-04-30 Chao Dong , Yifan Zhang , Ziye Jia , Yiyang Liao , Lei Zhang , Qihui Wu

With the rapid growth of autonomous vehicle technologies, effective path-tracking control has become a critical component in ensuring safety and efficiency in complex traffic scenarios. When a high level decision making agent generates a…

系统与控制 · 电气工程与系统科学 2025-10-30 Xincheng Cao , Haochong Chen , Levent Guvenc , Bilin Aksun-Guvenc

This paper investigates the secure transmission in a simultaneously transmitting and reflecting reconfigurable intelligent surface (STAR-RIS) assisted uplink non-orthogonal multiple access system, where the legitimate users send…

信息论 · 计算机科学 2021-11-05 Zheng Zhang , Jian Chen , Yuanwei Liu , Qingqing Wu , Bingtao He , Long Yang

Ambient backscatter communication (AmBC) enables ultra-low-power connectivity by allowing passive backscatter devices (BDs) to convey information through reflection of ambient signals. However, the cascaded AmBC channel suffers from severe…

信息论 · 计算机科学 2026-02-19 Masoud Kaveh , Farshad Rostami Ghadi , Riku Jantti , Kai-Kit Wong , F. Javier Lopez-Martinez

In this paper, we investigate the design of artificial-noise-aided secure multi-antenna transmission in slow fading channels. The primary design concerns include the transmit power allocation and the rate parameters of the wiretap code. We…

信息论 · 计算机科学 2016-11-17 Xi Zhang , Xiangyun Zhou , Matthew R. McKay

Many endeavors have sought to develop countermeasure techniques as enhancements on Automatic Speaker Verification (ASV) systems, in order to make them more robust against spoof attacks. As evidenced by the latest ASVspoof 2019…

声音 · 计算机科学 2021-09-21 Amir Mohammad Rostami , Mohammad Mehdi Homayounpour , Ahmad Nickabadi

The OpenSky Network has been collecting and providing crowdsourced air traffic surveillance data since 2013. The network has primarily focused on Automatic Dependent Surveillance--Broadcast (ADS-B) data, which provides high-frequency…

社会与信息网络 · 计算机科学 2025-05-13 Junzi Sun , Xavier Olive , Martin Strohmeier , Vincent Lenders

Recent advances in quality adaptation algorithms leave adaptive bitrate (ABR) streaming architectures at a crossroads: When determining the sustainable video quality one may either rely on the information gathered at the client vantage…

多媒体 · 计算机科学 2019-01-18 Bastian Alt , Trevor Ballard , Ralf Steinmetz , Heinz Koeppl , Amr Rizk

Asynchronous federated learning (AFL) is an effective method to address the challenge of device heterogeneity in cross-device federated learning. However, AFL is usually incompatible with existing secure aggregation protocols used to…

密码学与安全 · 计算机科学 2024-06-07 Kun Wang , Yi-Rui Yang , Wu-Jun Li