This paper presents a method for continuous indoor–outdoor environment detection on
mobile devices based solely on Wi-Fi fingerprints. Detection of indoor–outdoor switching is …

The urban population is growing at such a rate that by 2050 it is estimated that 84% of the
world's population will live in cities, with flats being the most common living place. Moreover …

Passive indoor localization for smartphones requires no explicit cooperation of the
smartphone and enables a new spectrum of applications such as passive user tracking …

Estimating the number of people present in a given venue in real-time is extremely useful
from a security, management, and resource optimization perspective. This article presents …

WiFi sensing has received recent and significant interest from academia, industry,
healthcare professionals, and other caregivers (including family members) as a potential …

The optimization of logistics in large building complexes with many resources, such as
hospitals, require realistic facility management and planning. Current planning practices rely …

The rapid pace of urbanization and socioeconomic development encourage people to
spend more time together and therefore monitoring of human dynamics is of great …

Tag localization is crucial for many context-aware and automation applications in smart
homes, retail stores, or warehouses. While custom localization technologies (eg RFID) have …

Open WiFi access points (APs) are demonstrating that they can provide opportunistic data
services to moving vehicles. We present CrowdWiFi, a novel system to look up roadside …

The increasing importance in ubiquitous computing and context-dependent information has
led in the last years to a growing interest in location-based applications and services. A …