中文
相关论文

相关论文: Beyond Amplitude: Channel State Information Phase-…

200 篇论文

We introduce a novel dataset for multi-robot activity recognition (MRAR) using two robotic arms integrating WiFi channel state information (CSI), video, and audio data. This multimodal dataset utilizes signals of opportunity, leveraging…

机器人学 · 计算机科学 2025-02-18 Kian Behzad , Rojin Zandi , Elaheh Motamedi , Hojjat Salehinejad , Milad Siami

Using raw sensor data to model and train networks for Human Activity Recognition can be used in many different applications, from fitness tracking to safety monitoring applications. These models can be easily extended to be trained with…

机器学习 · 计算机科学 2019-05-03 Schalk Wilhelm Pienaar , Reza Malekian

Human activity recognition based on video streams has received numerous attentions in recent years. Due to lack of depth information, RGB video based activity recognition performs poorly compared to RGB-D video based solutions. On the other…

计算机视觉与模式识别 · 计算机科学 2018-12-18 Krishanu Sarker , Mohamed Masoud , Saeid Belkasim , Shihao Ji

In frequency-division duplex (FDD) massive multiple-input multiple-output (MIMO) systems, the growing number of base station antennas leads to prohibitive feedback overhead for downlink channel state information (CSI). To address this…

信号处理 · 电气工程与系统科学 2024-06-25 Yifan Ma , Hengtao He , Shenghui Song , Jun Zhang , Khaled B. Letaief

Human activity recognition is a major field of study that employs computer vision, machine vision, and deep learning techniques to categorize human actions. The field of deep learning has made significant progress, with architectures that…

计算机视觉与模式识别 · 计算机科学 2024-08-30 Mohammad Belal , Taimur Hassan , Abdelfatah Hassan , Nael Alsheikh , Noureldin Elhendawi , Irfan Hussain

Automated surgical step recognition is an important task that can significantly improve patient safety and decision-making during surgeries. Existing state-of-the-art methods for surgical step recognition either rely on separate,…

计算机视觉与模式识别 · 计算机科学 2023-07-22 Nisarg A. Shah , Shameema Sikder , S. Swaroop Vedula , Vishal M. Patel

This paper presents an advanced Federated Learning (FL) framework for forecasting complex spatiotemporal data, improving upon recent state-of-the-art models. In the proposed approach, the original Gated Recurrent Unit (GRU) module within…

机器学习 · 计算机科学 2025-10-02 Thien Pham , Angelo Furno , Faïcel Chamroukhi , Latifa Oukhellou

Accurate and efficient estimation of Channel State Information (CSI) is critical for next-generation wireless systems operating under non-stationary conditions, where user mobility, Doppler spread, and multipath dynamics rapidly alter…

分布式、并行与集群计算 · 计算机科学 2025-11-04 Muhammad Ahmed Mohsin , Muhammad Umer , Ahsan Bilal , Hassan Rizwan , Sagnik Bhattacharya , Muhammad Ali Jamshed , John M. Cioffi

WiFi sensing technology has shown superiority in smart homes among various sensors for its cost-effective and privacy-preserving merits. It is empowered by Channel State Information (CSI) extracted from WiFi signals and advanced machine…

网络与互联网体系结构 · 计算机科学 2022-12-13 Jianfei Yang , Xinyan Chen , Han Zou , Dazhuo Wang , Lihua Xie

Integrated sensing and communication (ISAC) is a promising technique for expanding the functionalities of wireless networks with enhanced spectral efficiency. The 3rd Generation Partnership Project (3GPP) has defined six basic sensing…

信号处理 · 电气工程与系统科学 2025-09-17 Yixin Ding , Haoyu Jiang , Xiaoli Xu , Yanan Liang , Yong Zeng

The integration of communication and computation is essential for next-generation wireless systems, especially in scenarios demanding massive connectivity and ultra-low latency. Over-the-air federated learning (AirFL), leveraging the…

信号处理 · 电气工程与系统科学 2026-05-13 Saeid Pakravan , Mohsen Ahmadzadeh , Ming Zeng , Ghosheh Abed Hodtani , Xingwang Li

In Wi-Fi systems, channel state information (CSI) plays a crucial role in enabling access points to execute beamforming operations. However, the feedback overhead associated with CSI significantly hampers the throughput improvements. Recent…

信号处理 · 电气工程与系统科学 2024-07-09 Fan Qi , Jiajia Guo , Yiming Cui , Xiangyi Li , Chao-Kai Wen , Shi Jin

We propose CAST, a dual-stream architecture that utilizes channel-aware spatial transfer learning for isolated sign language recognition addressing the challenges of magnitude-only 60~GHz radar Range-Time Maps (RTM). The proposed framework…

Resting-state fMRI captures spontaneous neural activity characterized by complex spatiotemporal dynamics. Various metrics, such as local and global brain connectivity and low-frequency amplitude fluctuations, quantify distinct aspects of…

神经元与认知 · 定量生物学 2025-05-13 Simon Wein , Marco Riebel , Lisa-Marie Brunner , Caroline Nothdurfter , Rainer Rupprecht , Jens V. Schwarzbach

This paper investigates the massive connectivity of low Earth orbit (LEO) satellite-based Internet-of-Things (IoT) for seamless global coverage. We propose to integrate the grant-free non-orthogonal multiple access (GF-NOMA) paradigm with…

Massive multiple-input multiple-output (MIMO) systems are a main enabler of the excessive throughput requirements in 5G and future generation wireless networks as they can serve many users simultaneously with high spectral and energy…

信息论 · 计算机科学 2021-02-15 Mahdi Boloursaz Mashhadi , Deniz Gündüz

It has been shown that the channel state information (CSI) of a Wi-Fi system can be exploited to localize Wi-Fi devices or track trajectory of a moving target. In the existing literature, both sensing tasks are treated separately and some…

信号处理 · 电气工程与系统科学 2026-03-19 Chunxi Chen , Jingwen Zhang , Chao Yu , Fan Liu , Rui Wang

Radio frequency fingerprinting (RFF) is a promising device authentication technique for securing the Internet of things. It exploits the intrinsic and unique hardware impairments of the transmitters for RF device identification. In…

信号处理 · 电气工程与系统科学 2023-06-26 Yuan Zeng , Yi Gong , Jiawei Liu , Shangao Lin , Zidong Han , Ruoxiao Cao , Kaibin Huang , Khaled Ben Letaief

Emotion recognition plays an important role in human-computer interaction (HCI) and has been extensively studied for decades. Although tremendous improvements have been achieved for posed expressions, recognizing human emotions in…

计算机视觉与模式识别 · 计算机科学 2019-06-07 Jie Cai , Zibo Meng , Ahmed Shehab Khan , Zhiyuan Li , James O'Reilly , Shizhong Han , Ping Liu , Min Chen , Yan Tong

In order to unlock the full advantages of massive multiple input multiple output (MIMO) in the downlink, channel state information (CSI) is required at the base station (BS) to optimize the beamforming matrices. In frequency division duplex…

信息论 · 计算机科学 2021-07-09 Yusha Liu , Osvaldo Simeone