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The Optimal Receiving Signal Strength to Use the Relay Node in Wireless Network

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Conference

2017 ASEE Annual Conference & Exposition

Location

Columbus, Ohio

Publication Date

June 24, 2017

Start Date

June 24, 2017

End Date

June 28, 2017

Conference Session

Potpourri

Tagged Division

Computing & Information Technology

Page Count

12

Permanent URL

https://peer.asee.org/28990

Download Count

70

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Paper Authors

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Tae-Hoon Kim Purdue University Northwest Orcid 16x16 orcid.org/0000-0001-8595-7925

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Melissa Nicole Fitzgerald Purdue University Northwest

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Melissa Fitzgerald is an undergraduate student and research assistant at Purdue University Northwest in Hammond, Indiana. She is currently working toward obtaining her B.S. in Computer Information Technology and participated in the National Science Foundation's Research Experiences for Undergraduates (REU) in 2016.

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Mithulesh Kurale REU Student

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Abstract

The connectivity in wireless communication is established based on the receiving signal strength, which is affected by distance, interference, noise, mobility, and etc. As a result, a node has a limited coverage area and generally 250m of communication range is assumed for free space environment in MANETs. Therefore, the connectivity becomes one of the significant limitations in deploying wireless networks such as MANETs, cellular, or Wi-Fi. The relaying concept was introduced, which places the additional node between nodes in out of range, to overcome the coverage limitation. Therefore, the relay node became one of the solution to improve the connectivity in wireless network and many researchers tried to find the optimal location of the relay node to improve the overall performance. However, only low or no connectivity areas are considered to add the relay node in their study. The effectiveness of relay node for the nodes that still have the connectivity has not been investigated at the best of our knowledge. In this paper, we investigate the effectiveness of the relay node through the experiment. Two protocols, TCP and UDP, are selected to evaluate it in terms of the performance metrics such as throughput, packet loss, and retransmission rate in various receiving signal strength. The results are presented, compared, and analyzed to propose the optimal receiving signal strength to use the relay node.

Kim, T., & Fitzgerald, M. N., & Kurale, M. (2017, June), The Optimal Receiving Signal Strength to Use the Relay Node in Wireless Network Paper presented at 2017 ASEE Annual Conference & Exposition, Columbus, Ohio. https://peer.asee.org/28990

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