Abstract
Merits of distributed medium access control specified by WiMedia Alliance such as distributed nature and high data rate make it a favorite candidate standard for high rate wireless personal area network. However, the current WiMedia MAC standard has not considered supporting Quality of Service (QoS) even though QoS parameters such as a range of service rates are provided to each traffic stream (TS). Therefore, we propose a fair and QoS-aware resource allocation method that provides a fair and maximized QoS for all TSs according to the current traffic load condition and differentiates SoQ among different QoS classes while guaranteeing fairness of SoQ within a QoS class in a fully distributed manner. Even in case that the traffic load varies, each device independently recognizes the changes and calculates fair and maximum allowable service rates for TSs. From the simulation results, it is proven that the proposed method achieves high capacity of TSs and fair QoS provisioning under various traffic load conditions.
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Abbreviations
- D-MAC:
-
Distributed medium access control
- D-SoQ:
-
Distributed satisfaction ratio of QoS
- DRP:
-
Distributed reservation protocol
- ED-SoQ :
-
Enhanced D-SoQ
- QoS:
-
Quality of Service
- SoQ:
-
Satisfaction ratio of QoS
- UWB:
-
Ultra wide band
- WPAN:
-
Wireless personal area network
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Acknowledgments
This research was supported by Basic Science Research Program through the National Research Foundation of Korea (NRF) funded by the Ministry of Science, ICT and Future Planning (NRF-2013R1A1A1008098).
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Joo, YI., Hur, K. A Fair and QoS-Aware Resource Allocation Scheme in UWB WPANs with WiMedia Distributed MAC. Wireless Pers Commun 75, 627–643 (2014). https://doi.org/10.1007/s11277-013-1382-7
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DOI: https://doi.org/10.1007/s11277-013-1382-7