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A traffic monitoring system (TMS) is an integral part of Intelligent Transportation Systems (ITS). It is an essential tool for traffic analysis and planning. One of the biggest challenges is, however, the high cost especially in covering…

Computers and Society · Computer Science 2020-04-28 Myounggyu Won , Sayan Sahu , Kyung-Joon Park

This paper investigates the data collection enhancement problem in a reconfigurable intelligent surface (RIS)-empowered intelligent consumer transportation system (ICTS). We propose a novel framework where a data center (DC) provides energy…

Information Theory · Computer Science 2025-09-12 Chunjie Wang , Xuhui Zhang , Wenchao Liu , Jinke Ren , Shuqiang Wang , Yanyan Shen , Kejiang Ye , Kim Fung Tsang

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…

Signal Processing · Electrical Eng. & Systems 2024-12-04 Pei Tang , Jingtao Guo , Ivan Wang-Hei Ho

To meet the goal of ten-fold increase in spectral efficiency, multiuser multiple-input-multiple-output (MU-MIMO) techniques capable of achieving high spatial multiplexing gains are expected to be an essential component of fifth-generation…

Information Theory · Computer Science 2016-11-15 Nassar Ksairi , Beatrice Tomasi , Stefano Tomasin

The ability to accurately forecast and control inpatient census, and thereby workloads, is a critical and longstanding problem in hospital management. Majority of current literature focuses on optimal scheduling of inpatients, but largely…

Methodology · Statistics 2017-01-31 Chitta Ranjan , Kamran Paynabar , Jonathan E. Helm , Julian Pan

Joint communication and sensing (JCS) has become a promising technology for mobile networks because of its higher spectrum and energy efficiency. Up to now, the prevalent fast Fourier transform (FFT)-based sensing method for mobile JCS…

Information Theory · Computer Science 2022-11-09 Xu Chen , Zhiyong Feng , Zhiqing Wei , Xin Yuan , Ping Zhang , J. Andrew Zhang , Heng Yang

Autonomous vehicles are heavily reliant upon their sensors to perfect the perception of surrounding environments, however, with the current state of technology, the data which a vehicle uses is confined to that from its own sensors. Data…

Computer Vision and Pattern Recognition · Computer Science 2019-09-17 Qi Chen

Leveraging massive numbers of sensors in user equipment as well as opportunistic human mobility, mobile crowd sensing (MCS) has emerged as a powerful paradigm, where prolonging battery life of constrained devices and motivating human…

Information Theory · Computer Science 2018-03-06 Xiaoyang Li , Changsheng You , Sergey Andreev , Yi Gong , Kaibin Huang

In this paper, we propose a bistatic sensing-assisted beam tracking method for simultaneous communication and tracking of user vehicles navigating arbitrary-shaped road trajectories. Prior work on simultaneous communication and tracking…

Information Theory · Computer Science 2024-11-21 Avinash M , Srikrishna Bhashyam

Full-duplex self-backhauling is promising to provide cost-effective and flexible backhaul connectivity for ultra-dense wireless networks, but also poses a great challenge to resource management between the access and backhaul links. In this…

Signal Processing · Electrical Eng. & Systems 2019-07-30 Erkai Chen , Meixia Tao , Nan Zhang

Federated learning (FL) has recently emerged as a promising technology to enable artificial intelligence (AI) at the network edge, where distributed mobile devices collaboratively train a shared AI model under the coordination of an edge…

Information Theory · Computer Science 2022-03-07 Zehong Lin , Hang Liu , Ying-Jun Angela Zhang

In this paper, we investigate reconfigurable intelligent surface (RIS)-assisted communication systems which involve a fixed-antenna base station (BS) and a mobile user (MU) that is equipped with fluid antenna system (FAS). Specifically, the…

Signal Processing · Electrical Eng. & Systems 2024-07-12 Junteng Yao , Xiazhi Lai , Kangda Zhi , Tuo Wu , Ming Jin , Cunhua Pan , Maged Elkashlan , Chau Yuen , Kai-Kit Wong

In recent years, Wi-Fi sensing has garnered significant attention due to its numerous benefits, such as privacy protection, low cost, and penetration ability. Extensive research has been conducted in this field, focusing on areas such as…

Computer Vision and Pattern Recognition · Computer Science 2025-05-13 Zijian Zhao , Tingwei Chen , Zhijie Cai , Xiaoyang Li , Hang Li , Qimei Chen , Guangxu Zhu

Receivers with joint channel estimation and signal detection using superimposed pilots (SP) can achieve high transmission efficiency in orthogonal time frequency space (OTFS) systems. However, existing receivers have high computational…

Information Theory · Computer Science 2024-04-16 Fupeng Huang , Qinghua Guo , Youwen Zhang , Yuriy Zakharov

Edge computing has revolutionized the world of mobile and wireless networks world thanks to its flexible, secure, and performing characteristics. Lately, we have witnessed the increasing use of it to make more performing the deployment of…

Machine Learning · Computer Science 2021-12-23 Hung T. Nguyen , Roberto Morabito , Kwang Taik Kim , Mung Chiang

To continuously monitor mobility flows aboard public transportation, low-cost data collection methods based on the passive detection of Wi-Fi signals are promising technological solutions, but they yield uncertain results. We assess the…

Methodology · Statistics 2025-03-14 Léa Fabre , Caroline Bayart , Alexandre Nicolas , Patrick Bonnel

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…

Human-Computer Interaction · Computer Science 2021-08-03 Lingchao Guo , Zhaoming Lu , Xiangming Wen , Liming Wang , David Gesbert , Zijun Han

We propose a channel estimation protocol to determine the uplink channel state information (CSI) at the base station for an intelligent reflecting surface (IRS) based wireless communication. More specifically, we develop a channel…

Signal Processing · Electrical Eng. & Systems 2025-04-15 Swapnil Saha , Md. Forkan Uddin

For Cyper-Physical Production Systems (CPPS), localization is becoming increasingly important as wireless and mobile devices are considered an integral part. While localizing targets in a wireless communication system based on the Received…

Information Theory · Computer Science 2021-05-03 Thomas Blazek , Julian Karoliny , Fjolla Ademaj , Hans-Peter Bernhard

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…

Machine Learning · Computer Science 2026-03-25 Keita Kayano , Takayuki Nishio , Daiki Yoda , Yuta Hirai , Tomoko Adachi