Efficient Routing and Centralized Scheduling Algorithms for IEEE 802.16 Mesh Networks

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Executive Summary

An IEEE 802.16 wireless system can provide broadband wireless access to subscriber stations and operate in mesh mode. The communication between a subscriber station and a base station can pass through one or more intermediate subscriber stations. The IEEE 802.16 standard provides a centralized scheduling mechanism that supports contention-free and resource-guarantee transmission services in mesh mode. However, the corresponding algorithm to this schedule is quite primitive in the standard. In this paper, the authors propose a more efficient way to realize this schedule by maximizing channel utilization. Their designs are divided into two phases: routing and scheduling.

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