Wifi sensing on the edge: Signal processing techniques and challenges for real-world systems

SM Hernandez, E Bulut - IEEE Communications Surveys & …, 2022 - ieeexplore.ieee.org
In this work, we evaluate the feasibility of deploying ubiquitous WiFi sensing systems at the
edge and consider the applicability of existing techniques on constrained edge devices and …

Wi-cal: Wifi sensing and machine learning based device-free crowd counting and localization

H Choi, M Fujimoto, T Matsui, S Misaki… - IEEE Access, 2022 - ieeexplore.ieee.org
Wireless sensing represented by WiFi channel state information (CSI) is now enabling
various fields of applications such as person identification, human activity recognition …

A wireless underground sensor network field pilot for agriculture and ecology: Soil moisture mapping using signal attenuation

S Balivada, G Grant, X Zhang, M Ghosh, S Guha… - Sensors, 2022 - mdpi.com
Wireless Underground Sensor Networks (WUSNs) that collect geospatial in situ sensor data
are a backbone of internet-of-things (IoT) applications for agriculture and terrestrial ecology …

Online stream sampling for low-memory on-device edge training for WiFi sensing

SM Hernandez, E Bulut - Proceedings of the 2022 ACM Workshop on …, 2022 - dl.acm.org
Deploying machine learning models on-board edge devices allows for low latency model
inference and data privacy by keeping sensor data local to the computation rather than at a …

Wi-PT: Wireless sensing based low-cost physical rehabilitation tracking

SM Hernandez, M Touhiduzzaman… - … Conference on E …, 2022 - ieeexplore.ieee.org
Physical therapy (PT) exercises are critically important for the rehabilitation of patients with
motor deficits. While rehabilitation exercises can be most effective when performed properly …

WiMgrain: Multi-variety Grain Moisture Content Detection using Wi-Fi CSI Data

P Hu, S Duan, W Yang, S Guo - IEEE Sensors Journal, 2024 - ieeexplore.ieee.org
Moisture content detection is crucial in grain trade and storage processes. To address the
high cost and invasive of traditional methods, inexpensive commercial Wi-Fi devices have …

Frequency-sensitive soil moisture profiling using WiFi sensing

TV Nguyen, J Li, D Mishra… - 2023 Joint European …, 2023 - ieeexplore.ieee.org
In recent times, WiFi signals have been widely used in wireless sensing applications for
detecting large-scale environmental or physical characteristics, like human count and …

SoilTAG: Fine-Grained Soil Moisture Sensing Through Chipless Tags

W Jiao, J Wang, Y He, X Xi… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
Soil moisture sensing plays an important role in agriculture, especially in greenhouses or
vertical farms. However, existing soil moisture sensing systems are either expensive and …

The Effect of Sensor Placement in a Cooking Activity Recognition System

MG Moghaddam, AAN Shirehjini… - 2024 IEEE …, 2024 - ieeexplore.ieee.org
Although device-free human activity recognition (HAR) has been among the commonly
investigated HAR methods in the past few years, a neglected topic in this field is the sensor …

Using Dynamic Time Warping to Calibrate Low-Cost Soil Moisture Sensors

A Tessmer, N Aschenbruck - … on Mobile Ad Hoc and Smart …, 2023 - ieeexplore.ieee.org
The rapid development of the Internet of Things (IoT) has led to widespread availability of
smart sensors. For example, in the context of agriculture this enables the continuous …