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Policies for a Cost Function for Heterogeneous Networks Performance Evaluation

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2 Author(s)
Serrador, A. ; Inst. Super. de Engenharia de Lisboa, Lisbon ; Correia, L.M.

Heterogeneous cellular networks are analysed by taking several Key Performance Indicators (KPIs) into account, their proper balance being required in order to guarantee a desired Quality of Service (QoS). An approach to integrate a set of KPIs into a single one is presented, by using a Cost Function that includes these KPIs, providing a single evaluation parameter as output, and reflecting network conditions and Common Radio Resource Management (CRRM) strategies performance. The proposed model enables the implementation of different CRRM policies, by manipulating KPIs according to user's or operator's perspectives, allowing for a better QoS. Results show that different policies can in fact be established, with a different impact on the network, e.g., with median values ranging by a factor higher than two.

Published in:

Personal, Indoor and Mobile Radio Communications, 2007. PIMRC 2007. IEEE 18th International Symposium on

Date of Conference:

3-7 Sept. 2007