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Proportional Service Differentiation in Wireless LANs Using Spacing-based Channel Occupancy Regulation

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Abstract

In this paper, we propose Spacing-based Channel Occupancy Regulation (SCORE) MAC protocol for wireless LANs that provides proportional service differentiation in terms of normalized throughput. As shown by our system model and simulation study, SCORE provides consistent, scalable and adjustable proportional differentiation for any network size, any service class distribution, any node data rate and any packet size. Compared to state-of-the-art prioritized service differentiation schemes like Enhanced Distributed Coordination Function (EDCF), SCORE can quantitatively control the channel sharing between different service classes. Moreover, SCORE obtains significant performance improvements in terms of higher network throughput, higher transmission efficiency, lower medium access delay and lower delay jitter.

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Authors and Affiliations

  1. Department of Electrical and Computer Engineering, University of Massachusetts, Amherst, MA, 01003, USA

    Qi Xue, Weibo Gong & Aura Ganz

Authors
  1. Qi Xue
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  2. Weibo Gong
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  3. Aura Ganz
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Corresponding author

Correspondence to Qi Xue.

Additional information

Dr. Qi Xue is now a senior systems engineer with Qualcomm Inc. since Feb. 2005.

Qi Xue is currently a Ph.D. candidate in the department of Electrical and Computer Engineering, University of Massachusetts at Amherst. He received his M.S. degree in Electrical and Information Engineering from Huazhong University of Science and Technology, China, in 2000. His research interests include protocol design and performance analysis in wireless networks.

Weibo Gong received his Ph.D degree from Harvard University in 1987, and have been with the Dept. of Electrical and Computer Engineering, University of Massachusetts, Amherst since then. He is also an adjunct professor in the Dept. of Computer Science at the same campus. His major research interests include control and systems methods in communication networks, network security, and network modeling and analysis. He is a receipient of the IEEE Transactions on Automatic Control’s George Axelby Outstanding paper award, an IEEE Fellow, and the Program Committee Chair for the 43rd IEEE Conference on Decision and Control.

Aura Ganz received her B.Sc, M.Sc and Ph.D degrees in Computer Science from the Technion in Israel. She is currently an associate professor and Director of the Multimedia Networks Laboratory at the ECE Department, University of Massachusetts at Amherst. She has experience in topics related to all strata of networking technology, from work related to topics in the network infrastructure development to advanced user-space application development for mobile clients. The research results are validated by a combination of analytical, simulation and prototyping tools. She has published a book “Multimedia Wireless Networks: Technologies, Standards and QoS” (Prentice Hall) and authored over one hundred and fifty peer reviewed publications. Dr. Ganz is a senior member of IEEE

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Xue, Q., Gong, W. & Ganz, A. Proportional Service Differentiation in Wireless LANs Using Spacing-based Channel Occupancy Regulation. Mobile Netw Appl 11, 229–240 (2006). https://doi.org/10.1007/s11036-006-4475-7

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  • DOI: https://doi.org/10.1007/s11036-006-4475-7

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