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Inferring the location of a mobile device in an indoor setting is an open problem of utmost significance. A leading approach that does not require the deployment of expensive infrastructure is fingerprinting, where a classifier is trained…

信号处理 · 电气工程与系统科学 2022-02-08 Erez Peterfreund , Ioannis G. Kevrekidis , Ariel Jaffe

WiFi sensing is an important part of the new WiFi 802.11bf standard, which can detect motion and measure distances. In recent years, some machine learning methods have been proposed for human activity recognition from WiFi signals. However,…

人机交互 · 计算机科学 2022-10-24 Hojjat Salehinejad , Navid Hasanzadeh , Radomir Djogo , Shahrokh Valaee

Precise indoor localization is an increasingly demanding requirement for various emerging applications, like Virtual/Augmented reality and personalized advertising. Current indoor environments are equipped with pluralities of WiFi access…

信号处理 · 电气工程与系统科学 2019-11-21 Chenlu Xiang , Shunqing Zhang , Shugong Xu , Xiaojing Chen , George C. Alexandropoulos , Vincent K. N. Lau

Advances in computer vision and machine learning techniques have led to significant development in 2D and 3D human pose estimation from RGB cameras, LiDAR, and radars. However, human pose estimation from images is adversely affected by…

计算机视觉与模式识别 · 计算机科学 2023-01-03 Jiaqi Geng , Dong Huang , Fernando De la Torre

Localization services for wireless devices play an increasingly important role in our daily lives and a plethora of emerging services and applications already rely on precise position information. Widely used on-device positioning methods,…

信号处理 · 电气工程与系统科学 2024-01-17 Pengzhi Huang , Emre Gönültaş , Maximilian Arnold , K. Pavan Srinath , Jakob Hoydis , Christoph Studer

We address the indoor localization problem, where the goal is to predict user's trajectory from the data collected by their smartphone, using inertial sensors such as accelerometer, gyroscope and magnetometer, as well as other environment…

机器学习 · 计算机科学 2020-11-24 Leonid Antsfeld , Boris Chidlovskii , Emilio Sansano-Sansano

Indoor localization has recently witnessed an increase in interest, due to the potential wide range of services it can provide by leveraging Internet of Things (IoT), and ubiquitous connectivity. Different techniques, wireless technologies…

网络与互联网体系结构 · 计算机科学 2019-01-18 Faheem Zafari , Athanasios Gkelias , Kin Leung

The cellular wireless networks are evolving towards acquiring newer capabilities, such as sensing, which will support novel use cases and applications. Many of these require indoor sensing capabilities, which can be realized by exploiting…

信息论 · 计算机科学 2025-07-08 Vijaya Yajnanarayana , Philipp Geuer , Satyam Dwivedi

We introduce WiCluster, a new machine learning (ML) approach for passive indoor positioning using radio frequency (RF) channel state information (CSI). WiCluster can predict both a zone-level position and a precise 2D or 3D position,…

网络与互联网体系结构 · 计算机科学 2021-09-28 Ilia Karmanov , Farhad G. Zanjani , Simone Merlin , Ishaque Kadampot , Daniel Dijkman

Received signal strength indicator (RSSI) is the primary representation of Wi-Fi fingerprints and serves as a crucial tool for indoor localization. However, existing RSSI-based positioning methods often suffer from reduced accuracy due to…

机器学习 · 计算机科学 2025-11-11 Yibu Wang , Zhaoxin Zhang , Ning Li , Xinlong Zhao , Dong Zhao , Tianzi Zhao

Time-of-flight, i.e., the time incurred by a signal to travel from transmitter to receiver, is perhaps the most intuitive way to measure distances using wireless signals. It is used in major positioning systems such as GPS, RADAR, and…

网络与互联网体系结构 · 计算机科学 2015-05-14 Deepak Vasisht , Swarun Kumar , Dina Katabi

Device-free Wi-Fi indoor localization has received significant attention as a key enabling technology for many Internet of Things (IoT) applications. Machine learning-based location estimators, such as the deep neural network (DNN), carry…

网络与互联网体系结构 · 计算机科学 2021-01-29 Shing-Jiuan Liu , Ronald Y. Chang , Feng-Tsun Chien

The advancement of next-generation Wi-Fi technology heavily relies on sensing capabilities, which play a pivotal role in enabling sophisticated applications. In response to the growing demand for large-scale deployments, contemporary Wi-Fi…

信号处理 · 电气工程与系统科学 2025-12-29 Yuxuan Liu , Chiya Zhang , Yifeng Yuan , Chunlong He , Weizheng Zhang , Gaojie Chen

Wireless indoor localization using predictive models with received signal strength information (RSSI) requires proper calibration for reliable position estimates. One remedy is to employ synthetic labels produced by a (generally different)…

机器学习 · 计算机科学 2026-05-22 Seonghoon Yoo , Houssem Sifaou , Sangwoo Park , Joonhyuk Kang , Osvaldo Simeone

With the growing integration of location based services (LBS) such as GPS in mobile devices, indoor position systems (IPS) have become an important role for research. There are several IPS methods such as AOA, TOA, TDOA, which use…

网络与互联网体系结构 · 计算机科学 2019-07-02 Erick Schmidt , David Akopian

While fingerprinting localization is favored for its effectiveness, it is hindered by high data acquisition costs and the inaccuracy of static database-based estimates. Addressing these issues, this letter presents an innovative indoor…

机器学习 · 计算机科学 2024-01-12 Jiyu Jiao , Xiaojun Wang , Chenpei Han , Yuhua Huang , Yizhuo Zhang

Industrial wireless sensor networks are becoming crucial for modern manufacturing. If the sensors in those networks are mobile, the position information, besides the sensor data itself, can be of high relevance. E.g. this position…

信息论 · 计算机科学 2021-05-03 Julian Karoliny , Thomas Blazek , Fjolla Ademaj , Hans-Peter Bernhard , Andreas Springer

Classification between different activities in an indoor environment using wireless signals is an emerging technology for various applications, including intrusion detection, patient care, and smart home. Researchers have shown different…

信息论 · 计算机科学 2021-02-10 B. R. Manoj , Guoda Tian , Sara Gunnarsson , Fredrik Tufvesson , Erik G. Larsson

Indoor position technology has become one of the research highlights in the Internet of Things (IoT), but there is still a lack of universal, low-cost, and high-precision solutions. This paper conducts research on indoor position technology…

网络与互联网体系结构 · 计算机科学 2026-02-03 Chunyi Zhang , Zongwei Li , Xiaoqi Li

Foot-mounted inertial positioning (FMIP) and fingerprinting based WiFi indoor positioning (FWIP) are two promising solutions for indoor positioning. However, FMIP suffers from accumulative positioning errors in the long term while FWIP…

应用统计 · 统计学 2017-04-12 Yang Gu , Caifa Zhou , Andreas Wieser , Zhimin Zhou