English
Related papers

Related papers: Leveraging Angle of Arrival Estimation against Imp…

200 papers

Indoor localization is a long-standing challenge in mobile computing, with significant implications for enabling location-aware and intelligent applications within smart environments such as homes, offices, and retail spaces. As AI…

Audio and Speech Processing · Electrical Eng. & Systems 2025-08-26 Amod K. Agrawal

The future 6G-enabled IoT will facilitate seamless global connectivity among ubiquitous wireless devices, but this advancement also introduces heightened security risks such as spoofing attacks. Physical-Layer Authentication (PLA) has…

Signal Processing · Electrical Eng. & Systems 2025-04-08 Rui Meng , Fangzhou Zhu , Xiqi Cheng , Xiaodong Xu , Bizhu Wang , Chen Dong , Bingxuan Xu , Xiaofeng Tao , Ping Zhang

Tag-based Physical-Layer Authentication (PLA) has attracted significant attention in recent years due to its low complexity, high security, and low latency. Traditional tag-based PLA schemes typically estimate tags by decoding the message…

Information Theory · Computer Science 2026-04-09 Lei Yao , Boxiang He , Shilian Wang , Enyu Shi , Chau Yuen

The adoption of Unmanned Aerial Vehicles (UAVs) for public safety applications has skyrocketed in the last years. Leveraging on Physical Random Access Channel (PRACH) preambles, in this paper we pioneer a novel localization technique for…

Networking and Internet Architecture · Computer Science 2022-04-20 Francesco Linsalata , Antonio Albanese , Vincenzo Sciancalepore , Francesca Roveda , Maurizio Magarini , Xavier Costa-Pérez

In remote sensing rotated object detection, mainstream methods suffer from two bottlenecks, directional incoherence at detector neck and task conflict at detecting head. Ulitising fourier rotation equivariance, we introduce Fourier Angle…

Computer Vision and Pattern Recognition · Computer Science 2026-03-16 Changyu Gu , Linwei Chen , Lin Gu , Ying Fu

Vision-Language-Action (VLA) models revolutionize robotic systems by enabling end-to-end perception-to-action pipelines that integrate multiple sensory modalities, such as visual signals processed by cameras and auditory signals captured by…

Vision-language-action (VLA) models have shown strong performance in robotic manipulation, yet their robustness to physically realizable adversarial attacks remains underexplored. Existing studies reveal vulnerabilities through language…

Computer Vision and Pattern Recognition · Computer Science 2026-04-03 Jiawei Chen , Simin Huang , Jiawei Du , Shuaihang Chen , Yu Tian , Mingjie Wei , Chao Yu , Zhaoxia Yin

This paper presents a general technique for the joint Direction-of-Arrival (DoA) and Time-of-Arrival (ToA) estimation in multipath environments. The proposed ultra-wideband technique is based on phase-mode expansions and the use of nearly…

Signal Processing · Electrical Eng. & Systems 2023-04-28 Alejandro Ramírez-Arroyo , Antonio Alex-Amor , Pablo Padilla , Juan F. Valenzuela-Valdés

In this paper we present an experimental study on the performance of spatial Interference Alignment (IA) in indoor wireless local area network scenarios that use Orthogonal Frequency Division Multiplexing (OFDM) according to the…

Information Theory · Computer Science 2015-04-30 Christian Lameiro , Óscar González , José A. García-Naya , Ignacio Santamaría , Luis Castedo

Nowadays, digital facial content manipulation has become ubiquitous and realistic with the success of generative adversarial networks (GANs), making face recognition (FR) systems suffer from unprecedented security concerns. In this paper,…

Computer Vision and Pattern Recognition · Computer Science 2020-08-18 Run Wang , Felix Juefei-Xu , Qing Guo , Yihao Huang , Xiaofei Xie , Lei Ma , Yang Liu

With the rapid evolution of wireless technologies, Wi-Fi has expanded beyond its original role in data transmission to support various emerging applications, particularly in physical-layer security, including device authentication, user…

Cryptography and Security · Computer Science 2026-04-07 Jingzhe Zhang , Yitong Shen , Ning Wang , Yili Ren

Partial Adaptation (PDA) addresses a practical scenario in which the target domain contains only a subset of classes in the source domain. While PDA should take into account both class-level and sample-level to mitigate negative transfer,…

Computer Vision and Pattern Recognition · Computer Science 2020-08-10 Youngeun Kim , Sungeun Hong , Seunghan Yang , Sungil Kang , Yunho Jeon , Jiwon Kim

Extremely large-scale antenna array (ELAA) systems emerge as a promising technology in beyond 5G and 6G wireless networks to support the deployment of distributed architectures. This paper explores the use of ELAAs to enable joint…

In cellular networks, authorities may need to physically locate user devices to track criminals or illegal equipment. This process involves authorized agents tracing devices by monitoring uplink signals with cellular operator assistance.…

Cryptography and Security · Computer Science 2024-09-27 Taekkyung Oh , Sangwook Bae , Junho Ahn , Yonghwa Lee , Tuan Dinh Hoang , Min Suk Kang , Nils Ole Tippenhauer , Yongdae Kim

Due to the broadcast nature of wireless communications, physical-layer security has attracted increasing concerns from both academia and industry. Artificial noise (AN), as one of the promising physical-layer security techniques, is capable…

Cryptography and Security · Computer Science 2025-09-17 Hong Niu , Yue Xiao , Xia Lei , Jiangong Chen , Zhihan Xiao , Mao Li , Chau Yuen

This paper presents a novel method for synthesizing new physical layer modulation and coding schemes for communications systems using a learning-based approach which does not require an analytic model of the impairments in the channel. It…

Signal Processing · Electrical Eng. & Systems 2018-03-09 Timothy J. O'Shea , Tamoghna Roy , Nathan West , Benjamin C. Hilburn

Opportunistic usage of spectrum owned by licensed (or primary) users is the cornerstone on which the Cognitive Radio technology is built. Unlicensed (or secondary) users that thus use the spectrum rely opportunistically on spectrum sensing…

Networking and Internet Architecture · Computer Science 2021-06-22 Bishal Chhetry , Ningrinla Marchang

Face authentication systems require a robust anti-spoofing module as they can be deceived by fabricating spoof images of authorized users. Most recent face anti-spoofing methods rely on optimized architectures and training objectives to…

Computer Vision and Pattern Recognition · Computer Science 2022-07-26 Davide Belli , Debasmit Das , Bence Major , Fatih Porikli

Recent advancements in radio frequency machine learning (RFML) have demonstrated the use of raw in-phase and quadrature (IQ) samples for multiple spectrum sensing tasks. Yet, deep learning techniques have been shown, in other applications,…

Signal Processing · Electrical Eng. & Systems 2019-03-06 Bryse Flowers , R. Michael Buehrer , William C. Headley

Aliasing is a known source of challenges in the context of imperative object-oriented languages, which have led to important advances in type systems for aliasing control. However, their large-scale adoption has turned out to be a…

Programming Languages · Computer Science 2016-07-26 Philipp Haller , Alexandre Loiko
‹ Prev 1 8 9 10 Next ›