2-Layered Clustering - A Scheme for Seamless Inter-Cluster Handoffs in Wireless ATM Networks -
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Many schemes to reduce the inter-cluster handoff delay in wireless ATM networks have been proposed, but these schemes waste relatively large network resources to decrease the path rerouting delay. In this paper we propose the 2-layered cluster concept, where the seamless inter-cluster handoff can be supported regardless of path rerouting time. As a result, the waste of wired resources and the inter-cluster handoff rate can be reduced. Such advantageous features of the proposed scheme neither incur any increase of the total handoff rate nor require additional ATM switches.
Abstract
Many schemes to reduce the inter-cluster handoff delay in wireless ATM networks have been proposed, but these schemes waste relatively large network resources to decrease the path rerouting delay. In this paper we propose the 2-layered cluster concept, where the seamless inter-cluster handoff can be supported regardless of path rerouting time. As a result, the waste of wired resources and the inter-cluster handoff rate can be reduced. Such advantageous features of the proposed scheme neither incur any increase of the total handoff rate nor require additional ATM switches.