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As Scheduling for real time polling services (rtPS) is not defined in IEEE 802.16 standard, there are various approaches described to address this issue. IEEE 802.16 has detailed documents about the QoS parameter. However, they do not mention the scheduling algorithm to be used. The essential goals of this packet scheduling scheme are to guarantee the QoS parameter as well as provide fairness among...
The IEEE 802.16 standard defines MAC and physical layer protocols for broadband wireless access, however it does not specify any scheduling algorithm. In this paper, we propose a RED-based Weighted Fair Priority Queuing algorithm for inter-class scheduling and a channel aware algorithm for intra-class scheduling. Weights of the service classes are adaptive according to the QoS requirements of each...
IEEE 802.16 standard defines the broadband wireless access specification for WiMAX, but it did not specify a standard scheme for scheduling algorithms and admission control. As a result, we propose an uplink scheduling scheme called Random Early Detection based Deficit Fair Priority Queue (RED-based DFPQ) for WiMAX. RED-based DFPQ adjusts the deficit counter of rtPS based on the current queue length...
The IEEE 802.16 standard is expected to become a successful broadband wireless access solution, especially thanks to its ablility to provide high data rates, to differentiate services, and thanks to its interoperability, as promoted by the worldwide interoperability for microwave access (WiMAX) organization. We consider in this paper an Orthogonal frequency division multiple access (OFDMA)-based 802...
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