Kommunikationsnetze / Multimedia Kommunikation
Impact of Time in Network Selection for Mobile Nodes | |
Key: | RBJ+16-1 |
Author: | Tobias Rückelt, Daniel Burgstahler, Florian Jomrich, Doreen Böhnstedt, Ralf Steinmetz |
Date: | November 2016 |
Kind: | In proceedings |
Publisher: | ACM |
Book title: | In Proceedings of the 19th ACM International Conference on Modeling, Analysis and Simulation of Wireless and Mobile Systems (MSWiM 16) |
Abstract: | Today, mobile nodes use multiple Internet access networks ineffi- ciently. State-of-the-art network selection strategies distribute data traffic to available networks, but ignore an important second di- mension: time. Time selection offers the opportunity to plan us- age of future-available networks for delay-tolerant data traffic. We hypothesize, that concurrent selection of network and time leads to synergy effects, which reduce transmission cost and boost con- nectivity performance. To assess data distribution to wireless net- works and time, we propose a novel rating model for joint network and time selection. The proposed model rates the satisfaction of Quality-of-Service (QoS) application requirements and trades off conflicting optimization goals. Moreover, we analyze the impact of time in network selection and present three network selection schedulers, which differ in their time selection strategy. Evalua- tion of the results reveals a strong impact of time selection on net- work performance. This gives evidence, that our initial hypothesis holds and forward-looking scheduling strategies provide a substan- tial benefit over state-of-the-art approaches. |
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