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To address the limitations of traffic prediction from location-bound detectors, we present Geographical Cellular Traffic (GCT) flow, a novel data source that leverages the extensive coverage of cellular traffic to capture mobility patterns.…

机器学习 · 计算机科学 2024-01-09 ChungYi Lin , Shen-Lung Tung , Hung-Ting Su , Winston H. Hsu

In cognitive radio networks, spectrum sensing is a crucial technique to discover spectrum opportunities for the Secondary Users (SUs). The quality of spectrum sensing is evaluated by both sensing accuracy and sensing efficiency. Here,…

新兴技术 · 计算机科学 2013-04-23 Yi Liu , Shengli Xie , Rong Yu , Yan Zhang , Chau Yuen

Facing a vast amount of connections, huge performance demands, and the need for reliable connectivity, the sixth generation of communication networks (6G) is envisioned to implement disruptive technologies that jointly spur connectivity,…

Accurate channel modeling is fundamental to design and evaluation of Terahertz (THz) ultra-massive multiple-input multiple-output (UM-MIMO) systems. However, existing model-based approaches typically rely on simplified assumptions, such as…

信号处理 · 电气工程与系统科学 2026-05-20 Zhengdong Hu , Chong Han

Multimodalities provide promising performance than unimodality in most tasks. However, learning the semantic of the representations from multimodalities efficiently is extremely challenging. To tackle this, we propose the Transformer based…

计算机视觉与模式识别 · 计算机科学 2019-11-14 Wubo Li , Wei Zou , Xiangang Li

Future Internet usage will be dominated by the consumption of a rich variety of online multimedia services accessed from an exponentially growing number of multimedia capable mobile devices. As such, future Internet designs will be…

信息论 · 计算机科学 2016-11-17 Angela Sara Cacciapuoti , Marcello Caleffi , Mingyue Ji , Jaime Llorca , Antonia Maria Tulino

In the Urban Internet of Things devices and systems are interconnected at the city scale to provide innovative services to the citizens.However, the traffic generated by the sensing and processing systems may overload local access networks.…

网络与互联网体系结构 · 计算机科学 2018-05-02 Sabur Baidya , Marco Levorato

X-ray Computed Tomography (CT) is widely used in clinical applications such as diagnosis and image-guided interventions. In this paper, we propose a new deep learning based model for CT image reconstruction with the backbone network…

图像与视频处理 · 电气工程与系统科学 2020-09-21 Haimiao Zhang , Baodong Liu , Hengyong Yu , Bin Dong

Wireless communication networks rely heavily on channel state information (CSI) to make informed decision for signal processing and network operations. However, the traditional CSI acquisition methods is facing many difficulties:…

信息论 · 计算机科学 2015-08-25 Jingchu Liu , Ruichen Deng , Sheng Zhou , Zhisheng Niu

An efficient communication mechanism forms the backbone for any multi-robot system to achieve fruitful collaboration and coordination. Limitation in the existing asynchronous transmission based strategies in fast dissemination and…

机器人学 · 计算机科学 2021-12-02 Sourabha Bharadwaj , Karunakar Gonabattula , Sudipta Saha , Chayan Sarkar , Rekha Raja

Human activity recognition (HAR) in Internet of Things (IoT) environments must cope with heterogeneous sensor settings that vary across datasets, devices, body locations, sensing modalities, and channel compositions. This heterogeneity…

机器学习 · 计算机科学 2026-04-24 Tatsuhito Hasegawa

Multi-target tracking (MTT) is a classical signal processing task, where the goal is to estimate the states of an unknown number of moving targets from noisy sensor measurements. In this paper, we revisit MTT from a deep learning…

信号处理 · 电气工程与系统科学 2024-05-15 Damian Owerko , Charilaos I. Kanatsoulis , Jennifer Bondarchuk , Donald J. Bucci , Alejandro Ribeiro

Recent advances in the field of structured waves have resulted in sophisticated coherent wavefront shaping schemes that provide unprecedented control of waves in various complex settings. These techniques exploit multiple scattering events…

Wireless communications at the chip scale emerge as a interesting complement to traditional wire-based approaches thanks to their low latency, inherent broadcast nature, and capacity to bypass pin constraints. However, as current trends…

新兴技术 · 计算机科学 2023-01-30 Bernat Ollé , Pau Talarn , Albert Cabellos-Aparicio , Filip Lemic , Eduard Alarcón , Sergi Abadal

Digital twins (DTs) are promising for wireless deployment, optimization, and data generation, but building a propagation-faithful twin from sparse real measurements remains difficult. This paper proposes a wireless environment digital twin…

信号处理 · 电气工程与系统科学 2026-05-22 Junjie Ai , Shurui Xu , Yanqing Ren , Zhuoyu Liu , Weicong Chen , Wankai Tang , Xiao Li , Chao-Kai Wen , Shi Jin

Crowd counting aims to estimate the number of persons in a scene. Most state-of-the-art crowd counting methods based on color images can't work well in poor illumination conditions due to invisible objects. With the widespread use of…

计算机视觉与模式识别 · 计算机科学 2023-01-10 Zhengyi Liu , Wei Wu , Yacheng Tan , Guanghui Zhang

LTE and LTE-Advanced have been optimized to deliver high bandwidth pipes to wireless users. The transport mechanisms have been tailored to maximize single cell performance by enforcing strict synchronism and orthogonality within a single…

Topological Deep Learning seeks to enhance the predictive performance of neural network models by harnessing topological structures in input data. Topological neural networks operate on spaces such as cell complexes and hypergraphs, that…

The demand for higher data rates and the scarce spectrum resources drive the adoption of collaborative communication techniques. In this work we shown that the existing cluster based collaborative schemes can be greatly improved in terms of…

信息论 · 计算机科学 2016-04-06 Anatoly Khina , Tal Philosof , Moshe Laifenfeld

The hybrid architecture of convolutional neural networks (CNNs) and Transformer are very popular for medical image segmentation. However, it suffers from two challenges. First, although a CNNs branch can capture the local image features…

图像与视频处理 · 电气工程与系统科学 2023-12-21 Tao Lei , Rui Sun , Xuan Wang , Yingbo Wang , Xi He , Asoke Nandi