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On the accuracy of mobility modelling in wireless networks

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3 Author(s)
Burulitisz, A. ; Dept. of Telecommun., Budapest Tech. Univ., Hungary ; Imre, S. ; Szabo, S.

In a wireless mobile network, two major problems arise: the poor performance of the wireless layer and the effect of user mobility. The problems related to limited available radio bandwidth and radio channel errors seem to be solved by CDMA technique applied in 3G mobile systems. Terminal mobility causes problems in call admission control because the number of active mobile terminals in a cell is a random variable. In this paper we introduce a new method to predict the number of terminals in each cell. Based on this information a more effective CAC algorithm can be applied in order to ensure user's satisfaction.

Published in:

Communications, 2004 IEEE International Conference on  (Volume:4 )

Date of Conference:

20-24 June 2004