Abstract:This paper proposes a novel upward priority channel Preemption Scheme (UPPS) for vertical handoff in a cellular/WLAN interworking networks. In order to improve the upward vertical handoff (UVH) dropping probabilities of voice and data calls while guaranteeing system performance and utilization of the cellular bandwidth, the proposed scheme defines priorities for newly cellular calls and UVH calls and designs newly bandwidth allocation scheme and priority preemption rule to modify the channel Preemption Model f… Show more
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