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Please use this identifier to cite or link to this item: http://hdl.handle.net/123456789/4053

Title: Performance evaluation of a GSM/GPRS cellular network using the CSSR with direct TCH Assignment Feature.
Authors: Aninyie, Paula
Issue Date: 19-Jun-2012
Abstract: All GSM operators use Key Performance Indicators (KPIs) to judge their network performance and evaluate the Quality of Service (QoS) regarding end user perceived quality. KPIs are becoming increasingly important in the context of network rollouts as well as within mature network optimization cycles. The performance of the mobile network is measured based on several counters describing the most important events over a measurement period. The KPIs are derived with the help of these counters using different formulations. Call Setup Success Rate (CSSR) is one of the most important KPIs used by all mobile operators. The study made a comparative analysis of measured CSSR and an estimated CSSR which was evaluated using the CSSR formulation presented in [17]. Results obtained from graphical representations showed that the measured CSSR were within acceptable levels though a number of sharp drops were recorded. The estimated CSSR, on the other hand, showed significant improvements in areas where sharp drops in CSSR values were recorded for the measured CSSR. Significantly high R square values of close to 1 representing a high predictive ability from the regression analysis of the estimated CSSR were also recorded. It was concluded that the implementation of the CSSR formulation be extended to CSSR measurements to ensure increased subscriber satisfaction.  
Description: A Thesis submitted to the Department of Telecommunication Engineering, Kwame Nkrumah University of Science and Technology in partial fulfilment of the requirements for the Degree of Master of Science, 2012
URI: http://hdl.handle.net/123456789/4053
Appears in Collections:College of Engineering

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