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2002

Measurement-based replanning of cell capacities in GSM networks

8 years 4 months ago
Measurement-based replanning of cell capacities in GSM networks
Due to the scarcity of the spectral resources and mobility of the portables, the call attempts may be blocked during call initiation or terminated during the hand-off process. When the blocking ratio exceeds some grade of service level, the capacity of the congested cell must be replanned using the call attempt data. However, most of the time, the measurements are inflated by the redials and the retrials. During the replanning process, the first step should be to calculate the effective load from the measured cumulative call statistics. In this paper, we provide simpleto-implement analytical models that compute the average number of retrials and redials per original call attempt using only the operations and maintenance center (OMC) measurements. The effective load is then determined through appropriate scaling. That way, unnecessary waste of channels to sustain retrials and redials is avoided during the cellular capacity replanning phase. Key words: Replanning, retrial, redial, telet...
Ertan Onur, Hakan Deliç, Cem Ersoy, M. Ufuk
Added 17 Dec 2010
Updated 17 Dec 2010
Type Journal
Year 2002
Where CN
Authors Ertan Onur, Hakan Deliç, Cem Ersoy, M. Ufuk Çaglayan
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