NDLI: Dynamic Priority Backoff Algorithm for IEEE802.11 DCF

Content Provider	IEEE Xplore Digital Library
Author	Ming Zhang Chenglong Gong Yanhong Lu
Copyright Year	2008
Description	Author affiliation: Lianyungang Tech. Coll., Comput. Inst., Lianyungang (Yanhong Lu) \|\| Electron. Eng. Inst., Huaihai Inst. of Technol., Lianyungang (Ming Zhang; Chenglong Gong)
Abstract	The Distributed Coordination Function (DCF) in the IEEE 802.11 protocol is a random access scheme based on the carrier sense multiple access with collision avoidance (CSMA/CA). In recent years, there have been numerous research on the performance analysis and model of DCF under the assumption that the transmission queue is always nonempty (i.e. saturation state). In this paper, we propose a dynamic priority backoff algorithm (DPBA) for IEEE 802.11 DCF, the basic idea of DPBA is each node should collect statistical data of other nodepsilas transmission while sensing the channel, and maintaining a sending data table for all node in network. When the node has data to transmit, it will calculate the dynamic priority and connection window according to the number of successful sending, the number of successful sending and the statistical data in sending table. Simulation results show that DPBA can properly assign channel among nodes in proportion to their dynamic priority as well as enhance the network saturation throughput.
Starting Page	956
Ending Page	958
File Size	290261
Page Count	3
File Format	PDF
ISBN	9780769533360
DOI	10.1109/CSSE.2008.901
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2008-12-12
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Heuristic algorithms Peer to peer computing Software algorithms Distributed coordination function Dynamic priority backoff algorithm (DPBA) Access protocols Multiaccess communication Distributed computing Computer science Performance analysis Collision avoidance IEEE802.11 Software engineering
Content Type	Text
Resource Type	Article

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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