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Self-organizing femtocell offloading at the flow level
KTH, School of Electrical Engineering (EES), Automatic Control.
2013 (English)In: International Journal of Network Management, ISSN 1055-7148, E-ISSN 1099-1190, Vol. 23, no 4, 259-271 p.Article in journal (Refereed) Published
Abstract [en]

Femtocell technology is expected to be fully self-managed, empowered by self-organizing network functionalities. This paper proposes a solution for self-optimized offloading of macrocell traffic towards open/hybrid-access femtocells. A heterogeneous network comprising macro- and femtocells is modeled as parallel queues. The coverage area of the femtocells is self-optimized by dynamically adapting their pilot powers. A simple update equation for the pilot power is given and its convergence is studied using stochastic approximation techniques. The algorithm balances the load among the cells to improve network capacity. Simulation results illustrate the important performance gains brought about by the proposed scheme, using a dynamic network simulator.

Place, publisher, year, edition, pages
2013. Vol. 23, no 4, 259-271 p.
Keyword [en]
Cellular Networks, Users
National Category
Telecommunications Computer Sciences
Identifiers
URN: urn:nbn:se:kth:diva-125862DOI: 10.1002/nem.1832ISI: 000322158000003Scopus ID: 2-s2.0-84880875062OAI: oai:DiVA.org:kth-125862DiVA: diva2:641261
Note

QC 20130816

Available from: 2013-08-16 Created: 2013-08-15 Last updated: 2018-01-11Bibliographically approved

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