White Papers

Cross-Layer-Model Based Adaptive Resource Allocation for Statistical QoS Guarantees in Mobile Wireless Networks

Category: Software and Web Development, Networking and Communications

Tags: mobile wireless, wireless networks, csi, qos, real-time

Overview This paper proposes a cross-layer-model based adaptive resource-allocation scheme for the diverse Quality-of-Service (QoS) guarantees over downlink mobile wireless networks. The proposed scheme dynamically assigns power-levels and time-slots for heterogeneous real-time mobile users to satisfy the variation of statistical delay-bound QoS requirements. To achieve this goal, the paper applies Wu and Negi's effective capacity approach to derive the admission-control and power/time-slot allocation algorithms, guaranteeing the statistical delay-bound for heterogeneous mobile users. When designing such an algorithm, the paper studies the impact of physical-layer issues such as adaptive power-control and Channel-State Information (CSI) feedback delay on the QoS provisioning performance.

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Publisher: Institute of Electrical and Electronics Engineers
File Format: PDF
Date Published: Aug 31, 2007
Format: White Papers
Topics: Multimedia, Quality of Service, Mobile - Wireless Communications

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