| Publisher | Institute of Electrical and Electronics Engineers | ||
|---|---|---|---|
| Format | 700.6KB PDF | Date added | 15 Sep 2006 |
| Topics | Quality of Service, Multimedia, Mobile - Wireless Communications | ||
| Downloads | 24 | ||
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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