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As the stipulate for wireless communication has been mounting hurriedly, resourceful management of radio spectrum becomes very imperative. Channels are derisory and hence must be utilized inventively. In this paper, an evaluation of Fixed Channel allocation and Dynamic Channel Allocation is evaluated using analytical and simulation model in 25 cell system for GSM 1800. A suitable analytical model has shored up simulation performance characteristics. The result signifies that dropping probability also decreases in FCA - HOR as call arrival rate decrease. Also it is noted that unrealizable handoffs will be discarded by based handoff decision.
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