Context-aware RRM for opportunistic content delivery in cellular networks
2010 (English)In: 3rd Int. Conf. on Communication Theory, Reliability, and Quality of Service, CTRQ 2010, Includes MOPAS 2010: 1st Int. Conf. on Models and Ontology-Based Design of Protocols, Architecture and Services, 2010, 175-180 p.Conference paper (Refereed)
To opportunistically exploit excess resources avail-able at different times and locations we propose in this paperto include context aware information in the RRM schemesadopted in cellular networks. Both an user and a network centricapproaches to content pre-fetching are described and evaluatedfor different network dimensioning and service scenarios. Theobtained results show that for different levels of accuracyin predicting future content requests, operator controlled pre-fetching outperforms the user controlled approach, and that theformer can also bring robustness and significant cost reductionas compared to “classical” RRM schemes: the achieved level ofperformances can be mapped into a tri-dimensional gain regionwhere fewer BSs are needed, or more users can be served, orlarger files delivered per user, while maintaining a given levelof user-perceived service quality. Finally, considering also thedeployment of content caches at the BSs we show that the impactof backhaul limitations on experienced delays can be furthermitigated, when there are similar content interests among users.
Place, publisher, year, edition, pages
2010. 175-180 p.
Context-aware, Mobile content delivery, Predictive context, User behavior, Wireless networks
IdentifiersURN: urn:nbn:se:kth:diva-14134DOI: 10.1109/CTRQ.2010.37ScopusID: 2-s2.0-77956485608ISBN: 978-076954070-2OAI: oai:DiVA.org:kth-14134DiVA: diva2:330595
3rd International Conference on Communication Theory, Reliability, and Quality of Service, CTRQ 2010, Includes MOPAS 2010: 1st International Conference on Models and Ontology-Based Design of Protocols, Architectures and Services; Athens, Glyfada; 13 June 2010 through 19 June 2010
QC 201007162010-07-162010-07-162012-02-08Bibliographically approved