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Delay and Stability Analysis of Caching in Heterogeneous Cellular Networks
KTH, School of Electrical Engineering (EES), Communication Theory.ORCID iD: 0000-0002-5407-0835
KTH, School of Electrical Engineering (EES), Communication Theory.ORCID iD: 0000-0002-7926-5081
2016 (English)In: 2016 23RD INTERNATIONAL CONFERENCE ON TELECOMMUNICATIONS (ICT), IEEE, 2016Conference paper (Refereed)
Abstract [en]

In this paper, we propose a general delay and stability performance analysis in Heterogeneous Cellular Caching Networks (HCCNs), based on queuing theory. We introduce new performance metrics in HCCNs and propose an optimization problem which minimizes the average experienced delay for users by ensuring the stability of the network. In addition, from the design perspective, we address the problem of finding the minimum cache size for the small cell base stations (SBSs) for having a tolerable average delay and also a stable network. Finally, the analytic expressions derived in this paper are validated through real trace-driven experiments on traffic of YouTube video requests.

Place, publisher, year, edition, pages
IEEE, 2016.
Keyword [en]
caching, delay, heterogeneous cellular networks, performance analysis, stability
National Category
URN: urn:nbn:se:kth:diva-197018DOI: 10.1109/ICT.2016.7500347ISI: 000386851600005ScopusID: 2-s2.0-84979240029ISBN: 978-1-5090-1990-8OAI: diva2:1054907
23rd International Conference on Telecommunications (ICT), MAY 16-18, 2016, Thessaloniki, GREECE

QC 20161209

Available from: 2016-12-09 Created: 2016-11-28 Last updated: 2016-12-09Bibliographically approved

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