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The IEEE 802.16e-2005 is designed to support high bandwidth for the wireless metropolitan area network. However, the link quality is likely to degrade drastically due to the unstable wireless links, bringing ordeals to the real-time applications. Therefore, a feasible bandwidth allocation algorithm is required to utilize the precious bandwidth and to provide service differentiation. This article presents...
IEEE 802.16 technology is a promising technology to solve the last mile problem by its wireless, long distance, and high-bandwidth transmission. However, there isn't any suitable simulator to evaluate the performance between different IEEE 802.16 bandwidth allocation algorithms. In this paper, an IEEE 802.16 network simulator, Light WiMAX simulator (LWX), is proposed to provide flexible and robust...
The mobile WiMAX systems based on IEEE 802.16e-2005 provide high data rate for mobile wireless networks. However, the link quality is frequently unstable owing to mobility and air interference and therefore impacts the latency requirement of real-time applications. In the WiMAX standard, the modulation/coding scheme and the boundary of uplink/downlink sub-frames could be adjusted subject to channel...
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