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Full-spectrum out-of-distribution (F-OOD) detection aims to accurately recognize in-distribution (ID) samples while encountering semantic and covariate shifts simultaneously. However, existing out-of-distribution (OOD) detectors tend to…

Computer Vision and Pattern Recognition · Computer Science 2023-12-05 Fan Lu , Kai Zhu , Kecheng Zheng , Wei Zhai , Yang Cao

Due to its excellent performance in rate and resolution, fully-digital (FD) massive multiple-input multiple-output (MIMO) antenna arrays has been widely applied in data transmission and direction of arrival (DOA) measurements, etc. But it…

Signal Processing · Electrical Eng. & Systems 2024-06-13 Jiatong Bai , Feng Shu , Qinghe Zheng , Bo Xu , Baihua Shi , Yiwen Chen , Weibin Zhang , Xianpeng Wang

Clustering is a standard approach for achieving efficient and scalable performance in wireless sensor networks. Traditionally, clustering algorithms aim at generating a number of disjoint clusters that satisfy some criteria. In this paper,…

Networking and Internet Architecture · Computer Science 2013-04-09 Moustafa Youssef , Adel Youssef , Mohamed Younis

Carrier frequency offset estimation (CFOE) is a critical stage in modern coherent optical communication systems. Although conventional all-digital techniques perform reliably in typical fiber-optic communication links, CFOE often becomes a…

Signal Processing · Electrical Eng. & Systems 2026-03-31 I. P. Vieira , G. V. Serra , R. A. Colares , D. A. A. Mello

Designs for Order-of-Addition (OofA) experiments have received growing attention due to their impact on responses based on the sequence of component addition. In certain cases, these experiments involve heterogeneous groups of units, which…

Methodology · Statistics 2026-02-04 Chang-Yun Lin

Optical data center network architectures are becoming attractive because of their low energy consumption, large bandwidth, and low cabling complexity. In\cite{Xu1605:PODCA}, an AWGR-based passive optical data center architecture (PODCA) is…

Networking and Internet Architecture · Computer Science 2019-01-23 Chong Liu , Maotong Xu , Suresh Subramaniam

In the pursuit of refining precise perception models for fully autonomous driving, continual online model training becomes essential. Federated Learning (FL) within vehicular networks offers an efficient mechanism for model training while…

Computer Vision and Pattern Recognition · Computer Science 2024-05-03 Ahmad Khalil , Tizian Dege , Pegah Golchin , Rostyslav Olshevskyi , Antonio Fernandez Anta , Tobias Meuser

We consider a $(G,L,K,M,N)$ cache-aided multiple-input multiple-output (MIMO) network, where a server equipped with $L$ antennas and a library of $N$ equal-size files communicates with $K$ users, each equipped with $G$ antennas and a cache…

Information Theory · Computer Science 2026-01-16 Yifei Huang , Kai Wan , Minquan Cheng , Jinyan Wang , Giuseppe Caire

Integrated sensing and communication (ISAC) emerges as an essential technique for overcoming spectrum congestion. However, the performance of traditional ISAC systems with fixed-position-antennas (FPA) is limited due to insufficient spatial…

Signal Processing · Electrical Eng. & Systems 2024-07-30 Tian Hao , Changxin Shi , Qingqing Wu , Bin Xia , Yinghong Guo , Lianghui Ding , Feng Yang

Universal domain adaptation (UniDA) aims to address domain and category shifts across data sources. Recently, due to more stringent data restrictions, researchers have introduced source-free UniDA (SF-UniDA). SF-UniDA methods eliminate the…

Computer Vision and Pattern Recognition · Computer Science 2024-03-12 Xinghong Liu , Yi Zhou , Tao Zhou , Chun-Mei Feng , Ling Shao

Data augmentation (DA) methods tailored to specific domains generate synthetic samples by applying transformations that are appropriate for the characteristics of the underlying data domain, such as rotations on images and time warping on…

Machine Learning · Computer Science 2024-06-18 Ilya Kaufman , Omri Azencot

The limited modulation bandwidth of the light emitting diodes (LEDs) presents a challenge in the development of practical high-data-rate visible light communication (VLC) systems. In this paper, a novel adaptive coded probabilistic shaping…

Information Theory · Computer Science 2024-02-22 Amanat Kafizov , Ahmed Elzanaty , Mohamed-Slim Alouini

This paper proposes a cooperative integrated sensing and communication network (Co-ISACNet) adopting hybrid beamforming (HBF) architecture, which improves both radar sensing and communication performance. The main contributions of this work…

Signal Processing · Electrical Eng. & Systems 2025-06-19 Bowen Wang , Hongyu Li , Fan Liu , Ziyang Cheng , Shanpu Shen

The frequency diverse array (FDA) based directional modulation (DM) technology plays an important role in the implementation of the physical-layer security (PLS) transmission of 5G and beyond communication system. In order to meet the…

Signal Processing · Electrical Eng. & Systems 2019-10-02 Qian Cheng , Shilian Wang , Vincent Fusco , Fanggang Wang , Jiang Zhu , Chao Gu

Integrated Sensing and Communications (ISAC) surpasses the conventional frequency-division sensing and communications (FDSAC) in terms of spectrum, energy, and hardware efficiency, with potential for greater enhancement through integration…

Information Theory · Computer Science 2024-07-16 Boqun Zhao , Chongjun Ouyang , Xingqi Zhang , Yuanwei Liu

Federated fine-tuning of large language models (LLMs) over bandwidth-limited 6G links must meet strict round-time and energy budgets. Analog over-the-air (OTA) aggregation reduces uplink cost but is sensitive to fading and interference,…

Signal Processing · Electrical Eng. & Systems 2025-10-28 Yang Zhao , Yue Xiu , Chengxiao Dai , Ning Wei , Dusit Niyato

Nowadays, an increasing number of works fuse LiDAR and RGB data in the bird's-eye view (BEV) space for 3D object detection in autonomous driving systems. However, existing methods suffer from over-reliance on the LiDAR branch, with…

Computer Vision and Pattern Recognition · Computer Science 2026-03-06 Kang Luo , Xin Chen , Yangyi Xiao , Hesheng Wang

We consider the cache-aided multiple-input single-output (MISO) broadcast channel, which consists of a server with $L$ antennas and $K$ single-antenna users, where the server contains $N$ files of equal length and each user is equipped with…

Information Theory · Computer Science 2022-03-04 Ting Yang , Kai Wan , Minquan Cheng , Giuseppe Caire

Range-dependent clutter suppression poses significant challenges in airborne frequency diverse array (FDA) radar, where resolving range ambiguity is particularly difficult. Traditional space-time adaptive processing (STAP) techniques used…

Signal Processing · Electrical Eng. & Systems 2024-07-16 Wanghan Lv , Kumar Vijay Mishra

Noisy labels in distributed datasets induce severe local overfitting and consequently compromise the global model in federated learning (FL). Most existing solutions rely on selecting clean devices or aligning with public clean datasets,…

Machine Learning · Computer Science 2026-03-05 Xiangyu Zhong , Xiaojun Yuan , Ying-Jun Angela Zhang