Analysis of Cost Function in Medium Access Control Layer for Next Generation Wireless Terminals

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The next generation wireless networks impose challenges due to their architectural heterogeneity in terms of different access schemes, resource allocation techniques and Quality of Service (QoS) requirements. These heterogeneities must be captured and handled dynamically as mobile terminals roam between different wireless architectures. These challenges are addressed by an Adaptive Medium Access Control (A-MAC) layer. This layer accomplishes the adaptively to both architectural heterogeneities and diverse QoS requirements. Based on the virtual cube concept, A-MAC provides architecture-independent decision QoS based scheduling algorithms.