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DYNAMIC CHANNEL ALLOCATION BASED ON SIR ESTIMATION
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    초록·키워드

    When assigning a channel to a new call, it may cause deterioration or drop of on-going calls. A new DCA scheme, the Minimum Call Outage (MCO) scheme which takes into account the network capacity, the stability of the network and the quality of service, is presented. The MCO scheme minimizes the call outage probability and reduces the call drop probability when assigning a channel to a new call. Simulation results show that the call block probability for the First Arrival scheme is lower than that for the Maximum SIR scheme, but the call drop probability is higher and especially the call outage probability is unacceptably high. The MCO scheme can provide much improvement in the call drop probability and call outage probability compared with the First Arrival scheme, but only with minor degradation on the call block probability. The MCO scheme gives trade-off between the First Arrival scheme and the Maximum SIR scheme.

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      UCI(KEPA) : I410-ECN-0101-2009-569-013242036