MDP routing for multi-rate loss networks
Computer Networks: The International Journal of Computer and Telecommunications Networking
Information Sciences—Informatics and Computer Science: An International Journal
Performance analysis for hierarchical multirate loss networks
IEEE/ACM Transactions on Networking (TON)
Performance Analysis of the IEEE 802.16 Wireless Metropolitan Area Network
DFMA '05 Proceedings of the First International Conference on Distributed Frameworks for Multimedia Applications
The Analysis of the Optimal Contention Period for Broadband Wireless Access Network
PERCOMW '05 Proceedings of the Third IEEE International Conference on Pervasive Computing and Communications Workshops
IEEE Transactions on Mobile Computing
IEEE Transactions on Computers
Performance Evaluation of the IEEE 802.16 MAC for QoS Support
IEEE Transactions on Mobile Computing
IEEE 802.16 based last mile broadband wireless military networks with quality of service support
MILCOM'03 Proceedings of the 2003 IEEE conference on Military communications - Volume II
Quality of service support in IEEE 802.16 networks
IEEE Network: The Magazine of Global Internetworking
Downlink resource management for QoS scheduling in IEEE 802.16 WiMAX networks
Computer Communications
Wireless Personal Communications: An International Journal
Using GI-G-1 queuing model for rtPS performance evaluation in 802.16 networks
International Journal of Communication Systems
Media Independent Handover-based Competitive On-Line CAC for Seamless Mobile Wireless Networks
Wireless Personal Communications: An International Journal
Performance Analysis of WiMAX Networks AC
Wireless Personal Communications: An International Journal
Hi-index | 0.24 |
The IEEE 802.16 standard, namely WiMAX, adopts a polling MAC to support real-time transmissions in wireless metropolitan area networks. Although WiMAX overcomes access contentions by using unicast polling, it suffers from long polling delay and wastes bandwidth used for polling when the polled SSs have no packets to be sent. Additionally, WiMAX supports various service-classes for guaranteeing QoS transmission, but obtains reward only from high-class services because WiMAX doesn't differentiate the priorities of nodes. However, today's network providers have already supported different customer-priorities and service-classes simultaneously for increasing network reward. This paper thus proposes the adaptive hierarchical polling (i.e., AHP) approach that consists of three schemes. First, AHP supports multiple node-priorities with different classes of service flow to maximize network reward. Second, a two-mode pending mechanism is proposed for the BS and SSs to dynamically change any SSs state between the active and idle states. Third, we propose the MDP-based CAC to increase network reward by accepting high-priority nodes and real-time polling services first. Numerical results indicate that the proposed approach outperforms IEEE 802.16 in FRL and polling delay while yielding competitive utilization. Furthermore, the worst-case running time of AHP is analyzed and deduced to O(N.W.R).