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Context: Detecting arrays are mathematical structures aimed at fault identification in combinatorial interaction testing. However, they cannot be directly applied to systems that have constraints among test parameters. Such constraints are…

Software Engineering · Computer Science 2021-10-14 Hao Jin , Ce Shi , Tatsuhiro Tsuchiya

This paper investigates the coexistence of non-orthogonal multiple access (NOMA) and full-duplex (FD) to improve both spectral efficiency (SE) and user fairness. In such a scenario, NOMA based on the successive interference cancellation…

Signal Processing · Electrical Eng. & Systems 2019-08-05 Hieu V. Nguyen , Van-Dinh Nguyen , Octavia A. Dobre , Diep N. Nguyen , Eryk Dutkiewicz , Oh-Soon Shin

Recent advancements in Deep Learning (DL) for Direction of Arrival (DOA) estimation have highlighted its superiority over traditional methods, offering faster inference, enhanced super-resolution, and robust performance in low…

Signal Processing · Electrical Eng. & Systems 2024-05-07 Ruxin Zheng , Shunqiao Sun , Hongshan Liu , Honglei Chen , Mojtaba Soltanalian , Jian Li

Anchor-free detectors basically formulate object detection as dense classification and regression. For popular anchor-free detectors, it is common to introduce an individual prediction branch to estimate the quality of localization. The…

Computer Vision and Pattern Recognition · Computer Science 2022-09-30 Hu Su , Yonghao He , Rui Jiang , Jiabin Zhang , Wei Zou , Bin Fan

Deep generative models have made significant advances in generating complex content, yet conditional generation remains a fundamental challenge. Existing conditional generative adversarial networks often struggle to balance the dual…

Federated learning (FL) is a highly pursued machine learning technique that can train a model centrally while keeping data distributed. Distributed computation makes FL attractive for bandwidth limited applications especially in wireless…

Machine Learning · Computer Science 2020-06-24 Xiang Ma , Haijian Sun , Rose Qingyang Hu

In this paper, we investigate a fluid antenna system (FAS)-assisted downlink non-orthogonal multiple access (NOMA) for short-packet communications. The base station (BS) adopts a single fixed antenna, while both the central user (CU) and…

Information Theory · Computer Science 2023-10-24 Jianchao Zheng , Tuo Wu , Xiazhi Lai , Cunhua Pan , Maged Elkashlan , Kai-Kit Wong

Federated learning enables collaborative model training across distributed data sources but suffers from slow convergence under non-IID data conditions. Existing solutions employ algorithmic modifications treating all client updates…

Machine Learning · Computer Science 2025-12-19 Jahidul Arafat

The proposed delta-sigma modulator ($\Delta\Sigma$M) based signal acquisition architecture uses a differential difference amplifier (DDA) customized for dual purpose roles, namely as instrumentation amplifier and as integrator of…

Signal Processing · Electrical Eng. & Systems 2020-03-10 Joydeep Basu , Pradip Mandal

Federated learning (FL) for histopathology image segmentation involving multiple medical sites plays a crucial role in advancing the field of accurate disease diagnosis and treatment. However, it is still a task of great challenges due to…

Image and Video Processing · Electrical Eng. & Systems 2023-12-21 Yuan Zhang , Yaolei Qi , Xiaoming Qi , Lotfi Senhadji , Yongyue Wei , Feng Chen , Guanyu Yang

In this paper, we consider a downlink orthogonal frequency division multiplexing (OFDM) system from a base station to a high-speed train (HST) equipped with fully/partly calibrated massive uniform linear antenna-array (ULA) in wireless…

Signal Processing · Electrical Eng. & Systems 2018-09-05 Yinghao Ge , Weile Zhang , Feifei Gao , Hlaing Minn

State-of-the-art deep networks are often too large to deploy on mobile devices and embedded systems. Mobile neural architecture search (NAS) methods automate the design of small models but state-of-the-art NAS methods are expensive to run.…

Machine Learning · Computer Science 2020-06-18 Shraman Ray Chaudhuri , Elad Eban , Hanhan Li , Max Moroz , Yair Movshovitz-Attias

This letter proposes a secure beamforming design for downlink non-orthogonal multiple access (NOMA) systems utilizing fluid antenna systems (FAS). We consider a setup where a base station (BS) with $M$ fluid antennas (FAs) communicates to a…

Signal Processing · Electrical Eng. & Systems 2024-11-14 Lifeng Mai , Junteng Yao , Jie Tang , Tuo Wu , Kai-Kit Wong , Hyundong Shin , Fumiyuki Adachi

This paper proposes and demonstrates a PHY-layer design of a real-time prototype that supports Ultra-Reliable Communication (URC) in wireless infrastructure networks. The design makes use of Orthogonal Frequency Division Multiple Access…

Networking and Internet Architecture · Computer Science 2021-09-03 Jiaxin Liang , Soung Chang Liew

Electromagnetic (EM) vector sensor arrays can track both the polarisation and direction of arrival (DOA) of the impinging signals. For linear crossed-dipole arrays, as shown by our analysis, due to inherent limitation of the structure, it…

Signal Processing · Electrical Eng. & Systems 2020-04-21 Xiang Lan , Wei Liu , Henry Y. T. Ngan

In cloud-centric recommender system, regular data exchanges between user devices and cloud could potentially elevate bandwidth demands and privacy risks. On-device recommendation emerges as a viable solution by performing reranking locally…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-01-07 Kairui Fu , Zheqi Lv , Shengyu Zhang , Fan Wu , Kun Kuang

This paper addresses the fairness issue within fluid antenna system (FAS)-assisted non-orthogonal multiple access (NOMA) and orthogonal multiple access (OMA) systems, where a single fixed-antenna base station (BS) transmits…

Signal Processing · Electrical Eng. & Systems 2024-03-04 Junteng Yao , Liaoshi Zhou , Tuo Wu , Ming Jin , Cunhua Pan , Maged Elkashlan , Kai-Kit Wong

Compositionally Graded Alloys (CGAs) offer unprecedented design flexibility by enabling spatial variations in composition; tailoring material properties to local loading conditions. This flexibility leads to components that are stronger,…

Computational Engineering, Finance, and Science · Computer Science 2025-08-15 Aaditya Chandrasekhar , Stefan Knapik , Deepak Sharma , John Reidy , Ian McCue , Jian Cao , Wei Chen

Non-orthogonal multiple access (NOMA) is a promising radio access technology for the 5G wireless systems. The core of NOMA is to support multiple users in the same resource block via power or code domain multiplexing, which provides great…

Information Theory · Computer Science 2019-06-03 Xianhao Chen , Gang Liu , Zheng Ma , Xi Zhang , Pingzhi Fan , Shanzhi Chen , F. Richard Yu

Recently, coprime arrays have been in the focus of research because of their potential in exploiting redundancy in spanning large apertures with fewer elements than suggested by theory. A coprime array consists of two uniform linear…

Information Theory · Computer Science 2014-12-16 Zhiyuan Weng , Petar Djuric
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