An Analytical Model for Adaptive Multi-Guard Channel Scheme for Multi-Class Traffic in Cellular Networks with Reduced Handoff Drop Probabilities

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In this paper, an adaptive channel reservation scheme for multi-class traffic is proposed to ensure the quality- of-service for multimedia wireless cellular networks and to minimize the dropping of handoff calls. Although different numbers of guard channels are reserved for the handoff calls of different traffic classes, handoff calls of a class with low priority can access the guard channels of its next higher class handoff calls with a certain probability determined by the mobility of calls and channel occupancy. In this paper we developed a generalized analytical model to investigate the performance of this proposed scheme.