Computer-controlled systems (3rd ed.)
Computer-controlled systems (3rd ed.)
Deadline Scheduling for Real-Time Systems: Edf and Related Algorithms
Deadline Scheduling for Real-Time Systems: Edf and Related Algorithms
Bandwidth tradeoff between TCP and link-level FEC
Computer Networks: The International Journal of Computer and Telecommunications Networking
IEEE 802.11 rate adaptation: a practical approach
MSWiM '04 Proceedings of the 7th ACM international symposium on Modeling, analysis and simulation of wireless and mobile systems
A survey of QoS enhancements for IEEE 802.11 wireless LAN: Research Articles
Wireless Communications & Mobile Computing
IEEE Transactions on Mobile Computing
FHCF: a simple and efficient scheduling scheme for IEEE 802.11e wireless LAN
Mobile Networks and Applications
IEEE/ACM Transactions on Networking (TON)
Feedback-based control for providing real-time services with the 802.11e MAC
IEEE/ACM Transactions on Networking (TON)
An Equal-Spacing-Based Design for QoS Guarantee in IEEE 802.11e HCCA Wireless Networks
IEEE Transactions on Mobile Computing
Performance of Markov models for frame-level errors in IEEE 802.11 wireless LANs
International Journal of Communication Systems
Extended EDCA for delay guarantees in wireless local area networks
Pervasive and Mobile Computing
A scheduling algorithm for QoS support in IEEE802.11 networks
IEEE Wireless Communications
Provisioning of multimedia services in 802.11-based networks: facts and challenges
IEEE Wireless Communications
Controlled Channel Access Scheduling for Guaranteed QoS in 802.11e-Based WLANs
IEEE Transactions on Wireless Communications
An efficient multipolling mechanism for IEEE 802.11 wireless LANs
IEEE Transactions on Computers
A scheme for real-time channel establishment in wide-area networks
IEEE Journal on Selected Areas in Communications
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The Hybrid Coordination Function is a very powerful mechanism to provide differentiated services in IEEE 802.11 WLANs. In recent years, its adoption in conjunction with centralized scheduling algorithms has lead to many interesting solutions to support services with very sharp delay constraints. Notably, two main approaches have been proposed to face real-time service provisioning, i.e., using the well known earliest due date scheme or feedback control theory. Unfortunately, it is still missing a deep comparison among them. To bridge this gap, we propose herein a novel feedback-based mechanism for infrastructure WLANs and compare it with respect to the most important delay-EDD algorithm, in complex scenarios with video, voice, and best effort flows. Simulation results, obtained using ns-2, demonstrate that (i) both algorithms are able to guarantee upper bounded packet delays, (ii) a more efficient bandwidth usage and a higher network throughput is achieved using the feedback based approach. In particular, it has been shown that the feedback based approach allows a throughput gain ranging from 10% to 20% with respect to delay-EDD.