Extreme events gain the attention of researchers due to their utmost importance in various
contexts ranging from climate to brain. An observable that deviates significantly from its long …

Managing energy efficiently is paramount in modern smartphones. The diverse range of
wireless interfaces and sensors, and the increasing popularity of power-hungry applications …

We investigate if WiFi access can be used to augment 3G capacity in mobile environments.
We rst conduct a detailed study of 3G and WiFi access from moving vehicles, in three …

We conduct the first detailed measurement analysis of network resource usage and
subscriber behavior using a large-scale data set collected inside a nationwide 3G cellular …

Cellular networks are currently facing the challenges of mobile data explosion. High-end
mobile phones and laptops double their mobile data traffic every year and this trend is …

Battery life is a critical performance and user experience metric on mobile devices. However,
it is difficult for app developers to measure the energy used by their apps, and to explore …

The surging global mobile data traffic challenges the economic viability of cellular networks
and calls for innovative solutions to reduce the network congestion and improve user …

Mobile app marketplaces are dominated by free apps that rely on advertising for their
revenue. These apps place increased demands on the already limited battery lifetime of …

Crowd-sourced mobile Internet access services enable mobile users to connect with each
other and share their Internet connections. This is a promising solution for addressing users' …

Network service providers, and other parties, require an accurate understanding of the
performance cellular networks deliver to users. In particular, they often seek a measure of …