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Since mobile devices are equipped with limited battery power, it is essential to have efficient power management mechanisms in mobile broadband networks such as mobile WiMAX that enable always on connectivity and provide high throughputs. In recent times Voice over IP (VoIP) has emerged as an important and dominant application in broadband mobile networks such as WiMAX. VoIP traffic is uniquely characterized...
New generation multimedia applications over broadband wireless networks like WiMAX1 consume relatively large amount of battery power. Most of the studies in this field have been focused either on the power conservation or the video quality evaluation aspect of WiMAX based on early stage simulations. However, Network emulation studies are preferred during design phase to guide product designs. To the...
Broad band Wireless Access called WiMAX is becoming popular due to its support for QoS, in real time communication. To the best of our knowledge, the WiMAX base station (BS) schedules uplink (UL) and downlink (DL) packets station wise and within a station scheduling is done with respect to priority of services. In this process, while BS transmits packets of different priorities for a subscriber station...
The IEEE 802.16 standard for broadband wireless metropolitan area network supports real time and non-real time services. It has a provision to design new packet-scheduling algorithms according to requirements to support quality of service (QoS) for real-time services. Till now published literature on WiMax states that, a service station (SS) requests for bandwidth to a base station (BS) for already...
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