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Frequency diverse arrays (FDA) have attracted sustained interest as a promising architecture for introducing range-dependent responses into array systems. Unlike conventional phased arrays (PA), whose transmit behavior is primarily…

Signal Processing · Electrical Eng. & Systems 2026-05-05 Bang Huang , Sajid Ahmed , Wenkai Jia , Mohamed-Slim Alouini , Wen-QinWang

This paper investigates joint direction-of-arrival (DOA) and attitude sensing using tri-polarized continuous aperture arrays (CAPAs). By employing electromagnetic (EM) information theory, the spatially continuous received signals in…

Signal Processing · Electrical Eng. & Systems 2025-10-03 Haonan Si , Zhaolin Wang , Xiansheng Guo , Jin Zhang , Yuanwei Liu

Direction of arrival (DOA) estimation is mostly performed using specialized arrays that have carefully designed receiver spacing and layouts to match the operating frequency range. In contrast, radio interferometric arrays are designed to…

Instrumentation and Methods for Astrophysics · Physics 2025-12-23 Sarod Yatawatta

Hardware faults on the regular 2-D computing array of a typical deep learning accelerator (DLA) can lead to dramatic prediction accuracy loss. Prior redundancy design approaches typically have each homogeneous redundant processing element…

Hardware Architecture · Computer Science 2021-10-28 Cheng Liu , Cheng Chu , Dawen Xu , Ying Wang , Qianlong Wang , Huawei Li , Xiaowei Li , Kwang-Ting Cheng

To meet the stringent requirements of next-generation wireless networks, multiple-input multiple-output (MIMO) technology is expected to become massive and pervasive. Unfortunately, this could pose scalability issues in terms of complexity,…

Information Theory · Computer Science 2024-05-28 Davide Dardari

In an $(H,r)$ combination network, a single content library is delivered to ${H\choose r}$ users through deployed $H$ relays without cache memories, such that each user with local cache memories is simultaneously served by a different…

Information Theory · Computer Science 2019-10-25 Minquan Cheng , Yiqun Li , Xi Zhong , Ruizhong Wei

This paper elaborates on Conditional Handover (CHO) modelling, aimed at maximizing the use of contention free random access (CFRA) during mobility. This is a desirable behavior as CFRA increases the chance of fast and successful handover.…

Networking and Internet Architecture · Computer Science 2023-07-28 Jedrzej Stanczak , Umur Karabulut , Ahmad Awada

The design of sub-arrayed phased arrays (PAs) with sub-array-only amplitude and phase controls that afford arbitrary-shaped power patterns matching reference ones is addressed. Such a synthesis problem is formulated in the power pattern…

Information Theory · Computer Science 2023-10-11 Arianna Benoni , Lorenzo Poli , Paolo Rocca , Andrea Massa

Provider exposure fairness is crucial for sustaining a healthy content ecosystem and preventing monopolization in recommender systems. Yet, most existing methods either incorporate fairness constraints during model training, requiring…

Information Retrieval · Computer Science 2026-05-05 Jingzhi Li , Zhiyong Cheng , Richang Hong , Meng Wang

Coded caching scheme originally proposed by Maddah-Ali and Niesen (MN) considered a broadcast network consisting of a single server connected to a set of users each having a cache memory. Motivated by practical scenarios, Karamchandani…

Information Theory · Computer Science 2025-04-29 Rashid Ummer N. T. , B. Sundar Rajan

This paper presents a closed-form analysis of spatial correlation and degrees of freedom (DoF) for arched holographic multiple-input multiple-output (HMIMO) arrays, which can be viewed as a special form of fluid antenna systems (FAS) when…

Systems and Control · Electrical Eng. & Systems 2025-09-17 Liuxun Xue , Shu Sun , Hangsong Yan

In this paper, pattern division multiple access with large-scale antenna array (LSA-PDMA) is proposed as a novel non-orthogonal multiple access (NOMA) scheme. In the proposed scheme, pattern is designed in both beam domain and power domain…

Information Theory · Computer Science 2017-03-22 Peng Li , Yanxiang Jiang , Shaoli Kang , Fuchun Zheng , Xiaohu You

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

A closed-form analytical expression is derived for the limiting empirical squared singular value density of a spreading (signature) matrix corresponding to sparse low-density code-domain (LDCD) non-orthogonal multiple-access (NOMA) with…

Information Theory · Computer Science 2017-05-10 Ori Shental , Benjamin M. Zaidel , Shlomo Shamai

Generative models have recently gained attention in recommendation systems by directly predicting item identifiers from user interaction sequences. However, existing methods suffer from significant information loss due to the separation of…

Information Retrieval · Computer Science 2025-03-05 Yuhao Yang , Zhi Ji , Zhaopeng Li , Yi Li , Zhonglin Mo , Yue Ding , Kai Chen , Zijian Zhang , Jie Li , Shuanglong Li , Lin Liu

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

Sorting atoms stochastically loaded in optical tweezer arrays via an auxiliary mobile tweezer is an efficient approach to preparing intermediate-scale defect-free atom arrays in arbitrary geometries. However, high filling fraction of…

Quantum Physics · Physics 2021-04-07 Cheng Sheng , Jiayi Hou , Xiaodong He , Peng Xu , Kunpeng Wang , Jun Zhuang , Xiao Li , Min Liu , Jin Wang , Mingsheng Zhan

Wi-Fi networks have long relied on the Enhanced Distributed Channel Access (EDCA) mechanism, allowing stations to compete for transmission opportunities. However, as networks become denser and emerging applications demand lower latency and…

Networking and Internet Architecture · Computer Science 2025-06-30 Douglas Dziedzorm Agbeve , Andrey Belogaev , Jeroen Famaey

The hierarchical caching system where a server connects with multiple mirror sites, each connecting with a distinct set of users, and both the mirror sites and users are equipped with caching memories has been widely studied. However all…

Information Theory · Computer Science 2022-09-21 Yun Kong , Youlong Wu , Minquan Cheng

Surface defect detection in industrial scenarios is both crucial and technically demanding due to the wide variability in defect types, irregular shapes and sizes, fine-grained requirements, and complex material textures. Although recent…

Computer Vision and Pattern Recognition · Computer Science 2025-06-27 Jiawei Hu