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Long-term time-share guarantees are necessary for wireless LANs

Published: 19 September 2004 Publication History

Abstract

Wireless local area networks (WLANs) based on a family of 802.11 technologies are becoming ubiquitous. These technologies support multiple data transmission rates. Transmitting at a lower data rate (by using a more resilient modulation scheme) increases the frame transmission time but reduces the bit error rate. In non-cooperative environments such as public hot-spots, individual nodes attempt to maximize their achieved throughput by adjusting the data rate or frame size used, irrespective of the impact of this on overall system performance.In a series of experiments, we demonstrate that the existing distributed MAC protocol encourages non-cooperative nodes to use globally inefficient transmission strategies that lead to degraded aggregate throughputs. We also show that by establishing independence between the allocation of the shared channel time and the strategies used by individual nodes, an improved MAC protocol can lead rational but non-cooperative nodes to make choices that increase aggregate throughputs by as much as 30% under some conditions.

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Cited By

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  • (2013)Running Multiple Instances of the Distributed Coordination Function for Air-Time Fairness in Multi-Rate WLANsIEEE Transactions on Communications10.1109/TCOMM.2013.111113.13012061:12(5067-5076)Online publication date: Dec-2013
  • (2013)A distributed solution for air-time fairness in multi-rate WLANs2013 21st Signal Processing and Communications Applications Conference (SIU)10.1109/SIU.2013.6531256(1-4)Online publication date: Apr-2013
  • (2008)A wired router can eliminate 802.11 unfairness, but it's hardProceedings of the 9th workshop on Mobile computing systems and applications10.1145/1411759.1411773(49-54)Online publication date: 25-Feb-2008
  • Show More Cited By
  1. Long-term time-share guarantees are necessary for wireless LANs

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    cover image ACM Conferences
    EW 11: Proceedings of the 11th workshop on ACM SIGOPS European workshop
    September 2004
    214 pages
    ISBN:9781450378079
    DOI:10.1145/1133572
    Permission to make digital or hard copies of all or part of this work for personal or classroom use is granted without fee provided that copies are not made or distributed for profit or commercial advantage and that copies bear this notice and the full citation on the first page. Copyrights for components of this work owned by others than ACM must be honored. Abstracting with credit is permitted. To copy otherwise, or republish, to post on servers or to redistribute to lists, requires prior specific permission and/or a fee. Request permissions from [email protected]

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    Publication History

    Published: 19 September 2004

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    EW04: ACM SIGOPS European Workshop 2004
    September 19 - 22, 2004
    Leuven, Belgium

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    EW 11 Paper Acceptance Rate 37 of 37 submissions, 100%;
    Overall Acceptance Rate 37 of 37 submissions, 100%

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    View all
    • (2013)Running Multiple Instances of the Distributed Coordination Function for Air-Time Fairness in Multi-Rate WLANsIEEE Transactions on Communications10.1109/TCOMM.2013.111113.13012061:12(5067-5076)Online publication date: Dec-2013
    • (2013)A distributed solution for air-time fairness in multi-rate WLANs2013 21st Signal Processing and Communications Applications Conference (SIU)10.1109/SIU.2013.6531256(1-4)Online publication date: Apr-2013
    • (2008)A wired router can eliminate 802.11 unfairness, but it's hardProceedings of the 9th workshop on Mobile computing systems and applications10.1145/1411759.1411773(49-54)Online publication date: 25-Feb-2008
    • (2008)Understanding Performance for Two 802.11 Competing FlowsJournal of Computer Science and Technology10.1007/s11390-008-9139-623:3(365-376)Online publication date: 2-Jun-2008
    • (2007)Wireless unfairnessProceedings of the second ACM international workshop on Wireless network testbeds, experimental evaluation and characterization10.1145/1287767.1287777(43-50)Online publication date: 10-Sep-2007
    • (2007)Understanding Performance for Two 802.11 Competing Flows2007 IEEE Internatonal Conference on Mobile Adhoc and Sensor Systems10.1109/MOBHOC.2007.4428623(1-11)Online publication date: Oct-2007
    • (2007)Organizing CommitteesProceedings of the Eighth IEEE Workshop on Mobile Computing Systems and Applications10.1109/HOTMOBILE.2007.11Online publication date: 8-Mar-2007
    • (2005)System Throughput Maximization Subject to Delay and Time Fairness Constraints in 802.11 WLANsProceedings of the 11th International Conference on Parallel and Distributed Systems - Volume 0110.1109/ICPADS.2005.273(775-781)Online publication date: 20-Jul-2005

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