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WiMAX (worldwide interoperability for microwave access) is a new choice for last-mile Internet access, especially in crowded urban areas or desolate rural areas, where cable and DSL infrastructures are difficult to be deployed. In this paper we propose a downlink adaptive power allocation (APA) scheme for WiMAX access networks, which allows the transmitter to grant different power levels to different...
WiMAX (Worldwide Interoperability for Microwave Access) is a promising technology for last-mile broadband Internet access. In multiservice WiMAX networks, call admission control (CAC) plays a critical role. In this paper, we address CAC problem from the perspectives of both WiMAX service providers and subscribers. Specifically, we formulate CAC as an optimization problem, in which the demands of service...
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