General Information
    • ISSN: 1793-8201 (Print), 2972-4511 (Online)
    • Abbreviated Title: Int. J. Comput. Theory Eng.
    • Frequency: Quarterly
    • DOI: 10.7763/IJCTE
    • Editor-in-Chief: Prof. Mehmet Sahinoglu
    • Associate Editor-in-Chief: Assoc. Prof. Alberto Arteta, Assoc. Prof. Engin Maşazade
    • Managing Editor: Ms. Mia Hu
    • Abstracting/Indexing: Scopus (Since 2022), INSPEC (IET), CNKI,  Google Scholar, EBSCO, etc.
    • Average Days from Submission to Acceptance: 192 days
    • APC: 800 USD
    • E-mail: editor@ijcte.org
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IJCTE 2010 Vol.2(6): 986-991 ISSN: 1793-8201
DOI: 10.7763/IJCTE.2010.V2.274

A Hop by Hop Congestion Control Protocol to Mitigate Traffic Contention in Wireless Sensor Networks

Kamal Kumar Sharma, Dr. Harbhajan Singh and Dr. R.B Patel

Abstract—In wireless sensor networks, contention causes message collisions, which are very likely to occur when traffic is frequent and correlated, and hence decreases the lifetime of the network. Also congestion happens due to contention which is caused by concurrent transmissions. In this paper, we propose to develop a Hop-by-hop congestion control protocol for wireless sensor networks to mitigate traffic contention. In our proposed protocol, each node calculates its node rank based on the parameters buffer Size, hop count, channel busy ratio and MAC overhead. When the node rank crosses a threshold value T, the sensor node will set a congestion bit in every packet it forwards. If the congestion bit is set, the downstream node calculates the Rate Adjustment Feedback based on the rank and propagates this value upstream towards the source nodes. The source nodes will adjust their transmission rates dynamically based on this feedback. By simulation results, we show that our proposed protocol attains better throughput and packet delivery ratio with reduced energy consumption.

Index Terms—Wireless Sensor Networks, Traffic Contention, Congestion Control Protocol, MAC, Rate Adjustment Feedback.

Kamal Kumar Sharma, Associate Professor, Shree Ram Institute of Engineering & Technology, Yamuna Nagar, Haryana (kamalkumarsharmaphd@gmail.com)
Dr. Harbhajan Singh, Professor, RIEIT, Railmajra, Punjab
Dr. R.B Patel, Professor, MITS, Rajasthan

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Cite: Kamal Kumar Sharma, Dr. Harbhajan Singh and Dr. R.B Patel , "A Hop by Hop Congestion Control Protocol to Mitigate Traffic Contention in Wireless Sensor Networks," International Journal of Computer Theory and Engineering vol. 2, no. 6, pp. 986-991, 2010.


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