The effectiveness of intelligent scheduling for multicast video-on-demand
MM '09 Proceedings of the 17th ACM international conference on Multimedia
Measuring serendipity: connecting people, locations and interests in a mobile 3G network
Proceedings of the 9th ACM SIGCOMM conference on Internet measurement conference
Proceedings of the 8th international conference on Mobile systems, applications, and services
A first look at traffic on smartphones
IMC '10 Proceedings of the 10th ACM SIGCOMM conference on Internet measurement
A first look at mobile hand-held device traffic
PAM'10 Proceedings of the 11th international conference on Passive and active measurement
Characterizing and modeling internet traffic dynamics of cellular devices
Proceedings of the ACM SIGMETRICS joint international conference on Measurement and modeling of computer systems
Identifying diverse usage behaviors of smartphone apps
Proceedings of the 2011 ACM SIGCOMM conference on Internet measurement conference
Smartphone usage in the wild: a large-scale analysis of applications and context
ICMI '11 Proceedings of the 13th international conference on multimodal interfaces
A first look at cellular network performance during crowded events
Proceedings of the ACM SIGMETRICS/international conference on Measurement and modeling of computer systems
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Large events like the Super Bowl, where almost 75K attendees congegrate for several hours, poses a significant challenge in the planning, design and deployment of wireless networks. This was one of the first events where the LTE cellular network was available widely, in addition to almost 700 WiFi free hotspots. The Super Bowl in 2013 was also unprecedented because of a stadium-wide power outage for over half an hour. This study is the first to look in-depth at the user behaviours and traffic demand of a large ISP's celluar network at such an unique event. The findings of this study can be used to guide the design of the communication networks of large venues in the future. There are several key insights from our study of the data collected. First, LTE speeds enable subscribers at venues to stream high-quality video and this can be a signficant source of traffic. Second, the configuration of the uplink for such events is key, and a thoughtful approach to the design of applications that use the cloud for storing user data can substantially mitigate the congestion on the resource constrained uplink. Further, while it is tempting to take advantage of multicast on the cellular network (e.g., deploying technologies such as eMBMS in a venue), our results indicate that there is a need to combine multicast with caching to remove the strict requirement of overlap of requests from users to derive that benefit.