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Mobile WiMAX (Worldwide Interoperability for Microwave Access) is being touted as the most promising and potential broadband wireless technology. And the popularity rate has been surging to newer heights as the knowledge-backed service era unfolds steadily. Especially Mobile WiMAX is being projected as a real and strategic boon for developing counties such as India due to its wireless coverage acreage...
The IEEE 802.16 standard defines MAC and Physical layers for broadband wireless networks called WiMAX, however, it does not define the scheduling algorithm for the uplink and downlink traffic. In this paper, a predictive scheduling algorithm for uplink traffic in IEEE 802.16 networks is proposed. The proposed algorithm uses the cross-layer approach and is applied on the queue of the bandwidth requests...
Ethernet passive optical network (EPON) and worldwide interoperability for microwave access (WiMax) are two promising broadband access technologies for next-generation wired and wireless access network. The integrated architecture of complementary EPON and WiMax technologies combine the benefits of optical fiber capacity and wireless network mobility. In this paper, we propose a dynamic bandwidth...
In IEEE 802.16 mesh mode, MAC supports two scheduling methods: centralized scheduling and distributed scheduling. In the centralized scheduling, the IEEE 802.16 base station must run an algorithm to allocate slots to each mesh subscriber node (SS). This algorithm is not defined in the IEEE 802.16 specification but rather is open for alternative implementations. In this paper, base station scheduler...
In this paper we have proposed an adaptive scheduling algorithm to suit group mobility scenarios in the mobile WiMAX. The QoS scheduling scheme aims to minimize the end-to-end delay for real-time traffic. IEEE 802.16e is a wireless broadband network standard aimed at providing robust, high data rate mobile communication. The issue of group mobility in mobile WiMAX networks has not been explored so...
IEEE 802.16, a standard for wireless MAN broadband access technology, provides a flexible QoS mechanism in MAC layer for wild variety classes of services. However, it fails to define specific admission control strategy and scheduling algorithm, therefore, those aspects about QoS guarantee mechanisms are becoming the research hotspot in recent years. In this paper, focusing on the features of services...
IEEE 802.16, the specification for fixed, portable and even mobile broadband wireless access (BWA) systems, is promising to support heterogeneous classes of traffic with differentiated quality of service (QoS). The proposed medium access control (MAC) protocol defines a wide variety of mechanisms for bandwidth allocation and QoS provision. However, the details of how to schedule traffic are left unspecified...
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