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The density based access method: A novel approach to optimizing run-time throughput for IEEE 802.11 DCF access control

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Title: The density based access method: A novel approach to optimizing run-time throughput for IEEE 802.11 DCF access control
Authors: Liang, Hao-Ming1, Shieh, Ce-Kuen1, Huang, Tzu-Chi2, Hwang, Wen-Shyang3, Ke, Chih-Heng4 smallko@gmail.com
Source: Mathematical & Computer Modelling. Feb2011, Vol. 53 Issue 3/4, p443-457. 15p.
Subjects: Access control, IEEE 802.11 (Standard), Performance, Time measurements, Wireless communications, Simulation methods & models
Abstract: Abstract: According to previous work, the performance of the Distributed Coordination Function (DCF) (i.e., the basic access method of the IEEE 802.11 protocol) is far from optimum due to use of the binary exponential backoff (BEB) scheme as its collision avoidance mechanism. There has been considerable discussion of DCF issues and its performance analysis. However, most schemes assume an ideal channel, which is contrary to realistic wireless environments. In this paper, we present a simple yet pragmatic distributed algorithm, designated the density based access method (DBM), which allows stations to dynamically optimize the network throughput based on run-time measurements of the channel status. Our simulation results demonstrate that the DBM is highly accurate. The performance in terms of throughput and fairness is nearly optimal by use of the proposed scheme. [ABSTRACT FROM AUTHOR]
Copyright of Mathematical & Computer Modelling is the property of Pergamon Press - An Imprint of Elsevier Science and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
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DbLabel: Engineering Source
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PubType: Academic Journal
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  Data: The density based access method: A novel approach to optimizing run-time throughput for IEEE 802.11 DCF access control
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  Data: <searchLink fieldCode="AR" term="%22Liang%2C+Hao-Ming%22">Liang, Hao-Ming</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Shieh%2C+Ce-Kuen%22">Shieh, Ce-Kuen</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Huang%2C+Tzu-Chi%22">Huang, Tzu-Chi</searchLink><relatesTo>2</relatesTo><br /><searchLink fieldCode="AR" term="%22Hwang%2C+Wen-Shyang%22">Hwang, Wen-Shyang</searchLink><relatesTo>3</relatesTo><br /><searchLink fieldCode="AR" term="%22Ke%2C+Chih-Heng%22">Ke, Chih-Heng</searchLink><relatesTo>4</relatesTo><i> smallko@gmail.com</i>
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  Data: <searchLink fieldCode="DE" term="%22Access+control%22">Access control</searchLink><br /><searchLink fieldCode="DE" term="%22IEEE+802%2E11+%28Standard%29%22">IEEE 802.11 (Standard)</searchLink><br /><searchLink fieldCode="DE" term="%22Performance%22">Performance</searchLink><br /><searchLink fieldCode="DE" term="%22Time+measurements%22">Time measurements</searchLink><br /><searchLink fieldCode="DE" term="%22Wireless+communications%22">Wireless communications</searchLink><br /><searchLink fieldCode="DE" term="%22Simulation+methods+%26+models%22">Simulation methods & models</searchLink>
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  Data: Abstract: According to previous work, the performance of the Distributed Coordination Function (DCF) (i.e., the basic access method of the IEEE 802.11 protocol) is far from optimum due to use of the binary exponential backoff (BEB) scheme as its collision avoidance mechanism. There has been considerable discussion of DCF issues and its performance analysis. However, most schemes assume an ideal channel, which is contrary to realistic wireless environments. In this paper, we present a simple yet pragmatic distributed algorithm, designated the density based access method (DBM), which allows stations to dynamically optimize the network throughput based on run-time measurements of the channel status. Our simulation results demonstrate that the DBM is highly accurate. The performance in terms of throughput and fairness is nearly optimal by use of the proposed scheme. [ABSTRACT FROM AUTHOR]
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  Data: <i>Copyright of Mathematical & Computer Modelling is the property of Pergamon Press - An Imprint of Elsevier Science and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
PLink https://search.ebscohost.com/login.aspx?direct=true&site=eds-live&db=egs&AN=57077232
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        Value: 10.1016/j.mcm.2010.03.029
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        Text: English
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        StartPage: 443
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        Type: general
      – SubjectFull: IEEE 802.11 (Standard)
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      – SubjectFull: Performance
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      – SubjectFull: Time measurements
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      – SubjectFull: Simulation methods & models
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              Text: Feb2011
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