8 papers
Hide Me: Enabling Location Privacy in Heterogeneous Vehicular Networks
Tobias Meuser, Oluwasegun Taiwo Ojo, Daniel Bischoff +3
To support location-based services, vehicles must share their location with a server to receive relevant data, compromising their (location) privacy. To alleviate this privacy comp…
Increasing the Quality of 360° Video Streaming by Transitioning between Viewport Quality Adaptation Mechanisms
Christian Koch, Arne-Tobias Rak, Michael Zink +2
Virtual reality has been gaining popularity in recent years caused by the proliferation of affordable consumer-grade devices such as Oculus Rift, HTC Vive, and Samsung VR. Amongst…
Learning Wi-Fi Connection Loss Predictions for Seamless Vertical Handovers Using Multipath TCP
Jonas Höchst, Artur Sterz, Alexander Frömmgen +3
We present a novel data-driven approach to perform smooth Wi-Fi/cellular handovers on smartphones. Our approach relies on data provided by multiple smartphone sensors (e.g., Wi-Fi…
CBA: Contextual Quality Adaptation for Adaptive Bitrate Video Streaming (Extended Version)
Bastian Alt, Trevor Ballard, Ralf Steinmetz +2
Recent advances in quality adaptation algorithms leave adaptive bitrate (ABR) streaming architectures at a crossroads: When determining the sustainable video quality one may either…
Conducting a Large-scale Field Test of a Smartphone-based Communication Network for Emergency Response
Flor Álvarez, Lars Almon, Patrick Lieser +5
Smartphone-based communication networks form a basis for services in emergency response scenarios, where communication infrastructure is impaired or overloaded. Still, their design…
Little Boxes: A Dynamic Optimization Approach for Enhanced Cloud Infrastructures
Ronny Hans, Björn Richerzhagen, Amr Rizk +4
The increasing demand for diverse, mobile applications with various degrees of Quality of Service requirements meets the increasing elasticity of on-demand resource provisioning in…