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

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We propose a WiFi Channel State Information (CSI) sensing framework for multi-station deployments that addresses two fundamental challenges in practical CSI sensing: station-wise feature missingness and limited labeled data. Feature…

机器学习 · 计算机科学 2026-03-25 Keita Kayano , Takayuki Nishio , Daiki Yoda , Yuta Hirai , Tomoko Adachi

Channel state information (CSI) prediction is a promising strategy for ensuring reliable and efficient operation of massive multiple-input multiple-output (mMIMO) systems by providing timely downlink (DL) CSI. While deep learning-based…

Radio frequency (RF) fingerprinting techniques provide a promising supplement to cryptography-based approaches but rely on dedicated equipment to capture in-phase and quadrature (IQ) samples, hindering their wide adoption. Recent advances…

信号处理 · 电气工程与系统科学 2025-10-28 Yong Huang , Wenjing Wang , Dalong Zhang , Junjie Wang , Chen Chen , Yan Cao , Wei Wang

Accurate channel state information (CSI) acquisition for massive multiple-input multiple-output (MIMO) systems is essential for future mobile communication networks. Channel fingerprint (CF), also referred to as channel knowledge map, is a…

网络与互联网体系结构 · 计算机科学 2026-01-12 Zhenzhou Jin , Li You , Xudong Li , Zhen Gao , Yuanwei Liu , Xiang-Gen Xia , Xiqi Gao

Recently channel state information (CSI) measurements from commercial multi input multi output (MIMO) WiFi systems have been ubiquitously used for different wireless sensing applications. However, the phase of the CSI realizations is…

信号处理 · 电气工程与系统科学 2021-05-04 Chu Li , Jeremy Brauer , Aydin Sezgin , Christian Zenger

Hybrid beamforming is widely recognized as an important technique for millimeter wave (mmWave) multiple input multiple output (MIMO) systems. Generalized spatial modulation (GSM) is further introduced to improve the spectrum efficiency.…

信息论 · 计算机科学 2023-02-16 Zhilin Lu , Xudong Zhang , Rui Zeng , Jintao Wang

The Internet of Things (IoT) has boomed in recent years, with an ever-growing number of connected devices and a corresponding exponential increase in network traffic. As a result, IoT devices have become potential witnesses of the…

网络与互联网体系结构 · 计算机科学 2023-05-19 Fabio Palmese , Alessandro E. C. Redondi

We consider the multi-user detection (MUD) problem in uplink grant-free non-orthogonal multiple access (NOMA), where the access point has to identify the total number and correct identity of the active Internet of Things (IoT) devices and…

信号处理 · 电气工程与系统科学 2024-05-17 Saud Khan , Salman Durrani , Muhammad Basit Shahab , Sarah J. Johnson , Seyit Camtepe

Wideband power amplifiers exhibit complex nonlinear and memory effects that challenge traditional behavioral modeling approaches. This paper proposes a novel amplitude conditioned long short-term memory (AC-LSTM) network that introduces…

机器学习 · 计算机科学 2026-03-03 Abdelrahman Abdelsalam , You Fei

Recognition accuracy and response time are both critically essential ahead of building practical electroencephalography (EEG) based brain-computer interface (BCI). Recent approaches, however, have either compromised in the classification…

信号处理 · 电气工程与系统科学 2021-12-03 Yimin Hou , Shuyue Jia , Xiangmin Lun , Shu Zhang , Tao Chen , Fang Wang , Jinglei Lv

Training deep learning models on in-home IoT sensory data is commonly used to recognise human activities. Recently, federated learning systems that use edge devices as clients to support local human activity recognition have emerged as a…

机器学习 · 计算机科学 2021-04-01 Yuchen Zhao , Hanyang Liu , Honglin Li , Payam Barnaghi , Hamed Haddadi

Non-intrusive Load Monitoring (NILM) is an established technique for effective and cost-efficient electricity consumption management. The method is used to estimate appliance-level power consumption from aggregated power measurements. This…

系统与控制 · 电气工程与系统科学 2023-11-16 Amanie Azzam , Saba Sanami , Amir G. Aghdam

As an important biomarker for human identification, human gait can be collected at a distance by passive sensors without subject cooperation, which plays an essential role in crime prevention, security detection and other human…

计算机视觉与模式识别 · 计算机科学 2022-08-31 Lang Deng , Jianfei Yang , Shenghai Yuan , Han Zou , Chris Xiaoxuan Lu , Lihua Xie

With expeditious development of wireless communications, location fingerprinting (LF) has nurtured considerable indoor location based services (ILBSs) in the field of Internet of Things (IoT). For most pattern-matching based LF solutions,…

信号处理 · 电气工程与系统科学 2020-05-13 Luan Chen , Iness Ahriz , Didier Le Ruyet

Action recognition is an important yet challenging task in computer vision. In this paper, we propose a novel deep-based framework for action recognition, which improves the recognition accuracy by: 1) deriving more precise features for…

计算机视觉与模式识别 · 计算机科学 2017-11-21 Weiyao Lin , Yang Mi , Jianxin Wu , Ke Lu , Hongkai Xiong

Traditional global positioning systems often underperform indoors, whereas Wi-Fi has become an effective medium for various radio sensing services. Specifically, utilizing channel state information (CSI) from Wi-Fi networks provides a…

信号处理 · 电气工程与系统科学 2024-12-04 Pei Tang , Jingtao Guo , Ivan Wang-Hei Ho

Taking advantage of the rich information provided by Wi-Fi measurement setups, Wi-Fi-based human behavior sensing leveraging Channel State Information (CSI) measurements has received a lot of research attention in recent years. The…

人机交互 · 计算机科学 2021-08-03 Lingchao Guo , Zhaoming Lu , Xiangming Wen , Liming Wang , David Gesbert , Zijun Han

This paper introduces Gate-Shift-Pose, an enhanced version of Gate-Shift-Fuse networks, designed for athlete fall classification in figure skating by integrating skeleton pose data alongside RGB frames. We evaluate two fusion strategies:…

计算机视觉与模式识别 · 计算机科学 2025-10-06 Edoardo Bianchi , Oswald Lanz

Hybrid beamforming is a promising technology for 5G millimetre-wave communications. However, its implementation is challenging in practical multiple-input multiple-output (MIMO) systems because non-convex optimization problems have to be…

信号处理 · 电气工程与系统科学 2021-07-09 Hamed Hojatian , Vu Nguyen Ha , Jérémy Nadal , Jean-François Frigon , François Leduc-Primeau

Deep learning-based (DL-based) channel state information (CSI) feedback for a Massive multiple-input multiple-output (MIMO) system has proved to be a creative and efficient application. However, the existing systems ignored the wireless…

信号处理 · 电气工程与系统科学 2021-10-13 Haozhen Li , Boyuan Zhang , Xin Liang , Haoran Chang , Xinyu Gu , Lin Zhang