Smart Acknowledgement Distributed Channel Access Scheme for TCP in MANETs

1
D. Sunitha
D. Sunitha
2
Dr. A. Nagaraju
Dr. A. Nagaraju
3
Dr. G. Narsimha
Dr. G. Narsimha
1 Kamala Institute of Technology & Science
2 Department of Instrumentation Engineering, Andhra University

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TCP upon wireless networks is most challenging issue because of random losses and ACK interference. Also, TCP suffers from performance declination in terms of creating delay and overhead in network because of poor characteristics of wireless channel. In order to overcome these issues, we proposed a Smart Acknowledgement Distributed Channel Access (SADCA) scheme for TCP in MANETs. In the proposed scheme, first a separate Access Category (AC) for data less TCP acknowledgement packets is used and then it is assigned with highest priority. In this way, delay during transmission of packet can be reduced and also packet can be acknowledged immediately. Also, to increase the performance, delay window size can be adjusted by considering the parameters such as transmission rate, number of hops, and channel occupied ratio (COR). Hence the proposed scheme helps to avoid any kind of delay and overhead for sending TCP acknowledgement.

Funding

No external funding was declared for this work.

Conflict of Interest

The authors declare no conflict of interest.

Ethical Approval

No ethics committee approval was required for this article type.

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Not applicable for this article.

D. Sunitha. 2015. \u201cSmart Acknowledgement Distributed Channel Access Scheme for TCP in MANETs\u201d. Global Journal of Computer Science and Technology - E: Network, Web & Security GJCST-E Volume 15 (GJCST Volume 15 Issue E7): .

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GJCST Volume 15 Issue E7
Pg. 33- 39
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Crossref Journal DOI 10.17406/gjcst

Print ISSN 0975-4350

e-ISSN 0975-4172

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November 14, 2015

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English

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TCP upon wireless networks is most challenging issue because of random losses and ACK interference. Also, TCP suffers from performance declination in terms of creating delay and overhead in network because of poor characteristics of wireless channel. In order to overcome these issues, we proposed a Smart Acknowledgement Distributed Channel Access (SADCA) scheme for TCP in MANETs. In the proposed scheme, first a separate Access Category (AC) for data less TCP acknowledgement packets is used and then it is assigned with highest priority. In this way, delay during transmission of packet can be reduced and also packet can be acknowledged immediately. Also, to increase the performance, delay window size can be adjusted by considering the parameters such as transmission rate, number of hops, and channel occupied ratio (COR). Hence the proposed scheme helps to avoid any kind of delay and overhead for sending TCP acknowledgement.

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Smart Acknowledgement Distributed Channel Access Scheme for TCP in MANETs

D. Sunitha
D. Sunitha Kamala Institute of Technology & Science
Dr. A. Nagaraju
Dr. A. Nagaraju Department of Instrumentation Engineering, Andhra University
Dr. G. Narsimha
Dr. G. Narsimha

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