Efficient and transparent dynamic content updates for mobile clients
Proceedings of the 4th international conference on Mobile systems, applications and services
LTE, The UMTS Long Term Evolution: From Theory to Practice
LTE, The UMTS Long Term Evolution: From Theory to Practice
TCP revisited: a fresh look at TCP in the wild
Proceedings of the 9th ACM SIGCOMM conference on Internet measurement conference
Energy consumption in mobile phones: a measurement study and implications for network applications
Proceedings of the 9th ACM SIGCOMM conference on Internet measurement conference
Intentional networking: opportunistic exploitation of mobile network diversity
Proceedings of the sixteenth annual international conference on Mobile computing and networking
Characterizing radio resource allocation for 3G networks
IMC '10 Proceedings of the 10th ACM SIGCOMM conference on Internet measurement
To Cache or Not to Cache: The 3G Case
IEEE Internet Computing
A comparative study of handheld and non-handheld traffic in campus Wi-Fi networks
PAM'11 Proceedings of the 12th international conference on Passive and active measurement
Profiling resource usage for mobile applications: a cross-layer approach
MobiSys '11 Proceedings of the 9th international conference on Mobile systems, applications, and services
TOP: Tail Optimization Protocol For Cellular Radio Resource Allocation
ICNP '10 Proceedings of the The 18th IEEE International Conference on Network Protocols
An untold story of middleboxes in cellular networks
Proceedings of the ACM SIGCOMM 2011 conference
Identifying diverse usage behaviors of smartphone apps
Proceedings of the 2011 ACM SIGCOMM conference on Internet measurement conference
New methods for passive estimation of TCP round-trip times
PAM'05 Proceedings of the 6th international conference on Passive and Active Network Measurement
Web caching on smartphones: ideal vs. reality
Proceedings of the 10th international conference on Mobile systems, applications, and services
Screen-off traffic characterization and optimization in 3G/4G networks
Proceedings of the 2012 ACM conference on Internet measurement conference
An in-depth study of LTE: effect of network protocol and application behavior on performance
Proceedings of the ACM SIGCOMM 2013 conference on SIGCOMM
Personal cloudlets for privacy and resource efficiency in mobile in-app advertising
Proceedings of the first international workshop on Mobile cloud computing & networking
Publish/subscribe middleware for energy-efficient mobile crowdsensing
Proceedings of the 2013 ACM conference on Pervasive and ubiquitous computing adjunct publication
RILAnalyzer: a comprehensive 3G monitor on your phone
Proceedings of the 2013 conference on Internet measurement conference
E3: energy-efficient engine for frame rate adaptation on smartphones
Proceedings of the 11th ACM Conference on Embedded Networked Sensor Systems
Staying online while mobile: the hidden costs
Proceedings of the ninth ACM conference on Emerging networking experiments and technologies
The wireless data drain of users, apps, & platforms
ACM SIGMOBILE Mobile Computing and Communications Review
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Cellular networks employ a specific radio resource management policy distinguishing them from wired and Wi-Fi networks. A lack of awareness of this important mechanism potentially leads to resource-inefficient mobile applications. We perform the first network-wide, large-scale investigation of a particular type of application traffic pattern called periodic transfers where a handset periodically exchanges some data with a remote server every t seconds. Using packet traces containing 1.5 billion packets collected from a commercial cellular carrier, we found that periodic transfers are very prevalent in today's smartphone traffic. However, they are extremely resource-inefficient for both the network and end-user devices even though they predominantly generate very little traffic. This somewhat counter-intuitive behavior is a direct consequence of the adverse interaction between such periodic transfer patterns and the cellular network radio resource management policy. For example, for popular smartphone applications such as Facebook, periodic transfers account for only 1.7% of the overall traffic volume but contribute to 30% of the total handset radio energy consumption. We found periodic transfers are generated for various reasons such as keep-alive, polling, and user behavior measurements. We further investigate the potential of various traffic shaping and resource control algorithms. Depending on their traffic patterns, applications exhibit disparate responses to optimization strategies. Jointly using several strategies with moderate aggressiveness can eliminate almost all energy impact of periodic transfers for popular applications such as Facebook and Pandora.