A Cross-Layer Scheduling Algorithm With QoS Support in Wireless Networks


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Date: January 2008
Type: White Paper
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Overview: An important role is played by Scheduling in providing quality of service (QoS) support to multimedia communications in various kinds of wireless networks, including cellular networks, mobile ad hoc networks, and wireless sensor networks. The authors propose a scheduling algorithm at the medium access control (MAC) layer for multiple connections with diverse QoS requirements, where each connection employs adaptive modulation and coding (AMC) scheme at the physical (PHY) layer over wireless fading channels. Each connection is assigned a priority, which is updated dynamically based on its service status; the connection with the highest priority is scheduled each time.

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