Recent advances in mobile technologies such as 5G and WiFi 6E do not seem to deliver the
promised mobile access bandwidth. To effectively characterize mobile access bandwidth in …

While bandwidth predictability has been well studied in static environments, it remains
largely unexplored in the context of mobile computing. To gain a deeper understanding of …

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 …

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 …

Cellular and 802.11 WiFi are compelling options for mobile Internet connectivity. The goal of
our work is to understand the performance afforded by each of these technologies in diverse …

The internet has made massive progress since the 1990s. The amount of traffic that crosses
the Internet now is 22 million times more than what was generated in 1992. Although the …

During the one minute it takes to read this abstract, two billion smartphones worldwide will
perform billions of Wifi channel scans recording the signal strength of nearby Wifi Access …

Mobile data traffic is increasing rapidly and wireless spectrum is becoming a more and more
scarce resource. This makes it highly important to operate the mobile network efficiently. In …

Mobile broadband (MBB) networks (eg, 3G/4G) underpin numerous vital operations of the
society and are arguably becoming the most important piece of the communications …

Measurement of network performance in complex WiFi networks, such as in corporations
and universities, is an important but challenging task, as wireless performance in networks …