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The IEEE 802.16 standard (commonly known as WiMax) has emerged as a broadband wireless technology covering large geographical area while providing high speed data rates with native Quality of Service (QoS) support. In this paper, the authors study mesh mode of operation of WiMax with centralized scheduling for UGS and RTPS service classes. They briefly discuss two known routing algorithms (to find the path of a request) and propose two new routing algorithms. They present a novel scheduling and Call Admission Control (CAC) algorithm for UGS and RTPS service class. The scheduling and CAC algorithm make sure that each and every packet of admitted request strictly meets its delay and jitter constraints.
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