Smartphones and WiFi networks are becoming pervasive. As a result, new applications and
services are being offered to smartphone users through WiFi networks. Some of the more …

Today's WiFi networks deliver a large fraction of traffic. However, the performance and
quality of WiFi networks are still far from satisfactory. Among many popular quality metrics …

Today, smartphones are being equipped with an important set of different sensors that could
be used to detect: sound, motion and location. This feature, in addition to the use of wireless …

Highly dense and large-scale WiFi networks have been widely deployed in public areas to
provide cost-effective high-speed wireless Internet access for mobile end users. This …

In this paper we investigate and characterize user activity in WiFi networks by analyzing and
comparing the behavior of users that connect to two public WiFi networks, one of them …

WiFi latency is a key factor impacting the user experience of modern mobile applications, but
it has not been well studied at large scale. In this paper, we design and deploy WiFiSeer, a …

We investigate if it is feasible to use the WiFi coverage in urban areas for mobile Internet
access and which type of applications can benefit from the Internet access provided by the …

We analyze the evolution of smartphone usage from a dataset obtained from three, 15-day-
long, user-side, measurements with over 1500 recruited smartphone users in the Greater …

WiFi is emerging as the preferred connectivity solution for mobile clients because of its low
power consumption and high capacity. Dense urban WiFi deployments cover entire central …

We perform a head-to-head comparison of the performance characteristics of a 3G network
operated by a nation-wide provider and a metro-scale WiFi network operated by a …