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A New Energy Saving Transport Protocol in Wireless Environments  

Hwang, Sae-Joon (광운대학교 전자공학부)
Lee, Jung-Min (광운대학교 전자공학부)
Chung, Kwang-Sue (광운대학교 전자공학부)
Publication Information
Journal of KIISE:Computer Systems and Theory / v.32, no.11_12, 2005 , pp. 654-662 More about this Journal
Abstract
Mobile portable devices for wireless network solely depend on a limited battery power. Therefore, we need to design for wireless communication protocols with an energy efficiency. TCP-Westwood is one of the most important approaches on TCP performance improvement in wireless environments that estimates the available bandwidth by using the sampling mechanism. The advantage is that data can be transmitted efficiently using the estimation of available bandwidth. However, when the sender with TCP-Westwood is in a wireless environment, it does not consider of the sampling mechanism operation. In this thesis, a new energy saving transport protocol, called E2TP(Energy Efficient Transport Protocol), is proposed to solve problems which occur when the sender with TCP-Westwood is in a wireless environment. Also, when there are packet loss while doing frequent link error in a wireless environment, E2TP provides the instantaneous segment size adjustment for a more efficient data retransmission. The simulation result proves that the proposed E2TP has better performance in energy efficiency and throughput than both TCP and TCP-Westwood.
Keywords
802.11b wireless LANs; wireless TCP; segment size adjustment; bandwidth estimation; comparison of energy consumption; energy efficiency;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
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