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IEEE 802.16 WiMAX (Worldwide Interoperability for Microwave Access) is a major standard technology for wireless metropolitan area networks. Quality-of-service (QoS) scheduling classes and mobility management are two main issues for supporting seamless high-speed communications. Previous works on WiMAX handoff however have mainly addressed a particular scenario or a specific QoS class. This work proposes...
Differentiated service is intended to achieve scalable service differentiation within the network. A protocol with its QoS semantics left up to off-line service level agreements (SLAs) between the network and application, it is inapplicable to mobile environments: (1) lacks real-time QoS feedback from the network to the application; (2) cannot guarantee SLAs under dynamically changing network conditions;...
This paper presents a simple and accurate analytical model to dimension mobile cellular networks with QoS differentiation. QoS per applicative flow is commonly defined in GPRS/EDGE and 3G systems where streaming applications with real time properties and elastic data applications have to share radio resources. The need for accurate and fast-computing tools is of primary importance to tackle complex...
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