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In this paper, we present a dual-layer online optimization strategy for defender robots operating in multiplayer reach-avoid games within general convex environments. Our goal is to intercept as many attacker robots as possible without…

Robotics · Computer Science 2023-06-06 Junwei Liu , Zikai Ouyang , Jiahui Yang , Hua Chen , Haibo Lu , Wei Zhang

A novel near-field integrated sensing and communications framework for secure unmanned aerial vehicle (UAV) networks with high time efficiency is proposed. A ground base station (GBS) with large aperture size communicates with one…

Signal Processing · Electrical Eng. & Systems 2025-08-18 Jingjing Zhao , Songtao Xue , Kaiquan Cai , Xidong Mu , Yuanwei Liu , Yanbo Zhu

Federated learning faces severe communication bottlenecks due to the high dimensionality of model updates. Communication compression with contractive compressors (e.g., Top-K) is often preferable in practice but can degrade performance…

Machine Learning · Computer Science 2025-06-04 Rustem Islamov , Yarden As , Ilyas Fatkhullin

This paper investigates physical layer security (PLS) in a movable antenna (MA)-assisted full-duplex (FD) system. In this system, an FD base station (BS) with multiple MAs for transmission and reception provides services for an uplink (UL)…

Information Theory · Computer Science 2025-03-18 Jingze Ding , Zijian Zhou , Chenbo Wang , Wenyao Li , Lifeng Lin , Bingli Jiao

This paper presents a structural optimisation method in three-dimensional acoustic-elastic coupled problems. The proposed optimisation method finds an optimal allocation of elastic materials which reduces the sound level on some fixed…

Numerical Analysis · Mathematics 2016-12-21 Hiroshi Isakari , Toyohiro Kondo , Toru Takahashi , Toshiro Matsumoto

In this work we explore possibilities for coding when information worlds have different (semantic) values. We introduce a loss function that expresses the overall performance of a coding scheme for discrete channels and exchange the usual…

Information Theory · Computer Science 2015-03-19 Marcelo Firer , Luciano Panek , Laura Rifo

This paper investigates a large unitarily invariant system (LUIS) involving a unitarily invariant sensing matrix, an arbitrary fixed signal distribution, and forward error control (FEC) coding. Several area properties are established based…

Information Theory · Computer Science 2022-06-24 Lei Liu , Shansuo Liang , Li Ping

This paper investigates the design of access policies in spectrum sharing networks by exploiting the retransmission protocol of legacy primary users (PUs) to improve the spectral efficiency via opportunistic retransmissions at secondary…

Information Theory · Computer Science 2018-07-02 Nicolo Michelusi

Federated edge learning (FEEL) is envisioned as a promising paradigm to achieve privacy-preserving distributed learning. However, it consumes excessive learning time due to the existence of straggler devices. In this paper, a novel…

Information Theory · Computer Science 2022-04-04 Shanfeng Huang , Zezhong Zhang , Shuai Wang , Rui Wang , Kaibin Huang

In recent years, exploring effective sound separation (SSep) techniques to improve overlapping sound event detection (SED) attracts more and more attention. Creating accurate separation signals to avoid the catastrophic error accumulation…

Audio and Speech Processing · Electrical Eng. & Systems 2022-03-07 Yunhao Liang , Yanhua Long , Yijie Li , Jiaen Liang

Safe reinforcement learning (RL) studies problems where an intelligent agent has to not only maximize reward but also avoid exploring unsafe areas. In this study, we propose CUP, a novel policy optimization method based on Constrained…

Machine Learning · Computer Science 2022-11-10 Long Yang , Jiaming Ji , Juntao Dai , Linrui Zhang , Binbin Zhou , Pengfei Li , Yaodong Yang , Gang Pan

In sound event detection (SED), overlapping sound events pose a significant challenge, as certain events can be easily masked by background noise or other events, resulting in poor detection performance. To address this issue, we propose…

Audio and Speech Processing · Electrical Eng. & Systems 2025-01-13 Han Yin , Jisheng Bai , Yang Xiao , Hui Wang , Siqi Zheng , Yafeng Chen , Rohan Kumar Das , Chong Deng , Jianfeng Chen

This paper studies a large random matrix system (LRMS) model involving an arbitrary signal distribution and forward error control (FEC) coding. We establish an area property based on the approximate message passing (AMP) algorithm. Under…

Information Theory · Computer Science 2021-06-07 Lei Liu , Chulong Liang , Junjie Ma , Li Ping

Large-scale decentralized learning frameworks such as federated learning (FL), require both communication efficiency and strong data security, motivating the study of secure aggregation (SA). While information-theoretic SA is well…

Information Theory · Computer Science 2026-01-28 Xiang Zhang , Zhou Li , Han Yu , Kai Wan , Hua Sun , Mingyue Ji , Giuseppe Caire

Language-queried target sound extraction (TSE) aims to extract specific sounds from mixtures based on language queries. Traditional fully-supervised training schemes require extensively annotated parallel audio-text data, which are…

Audio and Speech Processing · Electrical Eng. & Systems 2025-03-24 Hao Ma , Zhiyuan Peng , Xu Li , Yukai Li , Mingjie Shao , Qiuqiang Kong , Ju Liu

This paper considers the problem of minimizing an expectation function over a closed convex set, coupled with a {\color{black} functional or expectation} constraint on either decision variables or problem parameters. We first present a new…

Optimization and Control · Mathematics 2020-10-05 Guanghui Lan , Zhiqiang Zhou

Unsupervised domain adaption (UDA) is a transfer learning task where the data and annotations of the source domain are available but only have access to the unlabeled target data during training. Most previous methods try to minimise the…

Computer Vision and Pattern Recognition · Computer Science 2022-11-17 Xinyao Shu , Shiyang Yan , Zhenyu Lu , Xinshao Wang , Yuan Xie

Federated learning (FL) has emerged as a widely adopted training paradigm for privacy-preserving machine learning. While the SGD-based FL algorithms have demonstrated considerable success in the past, there is a growing trend towards…

Machine Learning · Computer Science 2024-07-29 Yujia Wang , Shiqiang Wang , Songtao Lu , Jinghui Chen

Forward Error Correction (FEC) remains essential for protecting video streaming against packet loss, yet most real deployments still rely on static, coarse-grained configurations that cannot react to rapid shifts in loss rate, goodput, or…

Multimedia · Computer Science 2026-02-11 Jashanjot Singh Sidhu , Aman Sahu , Abdelhak Bentaleb

Configuring stream processing systems for efficient performance, especially in cloud-native deployments, is a challenging and largely manual task. We present an experiment-driven approach for automated configuration optimization that…

Performance · Computer Science 2026-03-05 David Chen , Sören Henning , Kassiano Matteussi , Rick Rabiser