Performance of a distributed DCA algorithm under inhomogeneous traffic modelled from an operational GSM network

This paper presents results obtained from two different dynamic channel allocation (DCA) algorithms, namely the timid and persistent polite aggressive (PPA) algorithms, simulated under both static homogeneous and dynamic inhomogeneous traffic. The dynamic inhomogeneous traffic is modelled upon real data collected from 49 cell sites in the PTT Telecom GSM network in Amsterdam. This paper shows that the DCA algorithms always outperform the FCA algorithm for low to medium traffic, with the gain increasing as the traffic becomes more inhomogeneous.