An Efficient TCP Algorithm in Mobile ADHOC Networks

홍성화; HoonKi Kim

Journal of The Korea Society of Computer and Information

Abbr : JKSCI
2009, 14(6), pp.73-82
Publisher : The Korean Society Of Computer And Information
Research Area : Computer Science

홍성화 ¹, HoonKi Kim ²

¹동양공업전문대학
²동양미래대학

ABSTRACT

TCP assumes that packet loss is always happened by congestionlike wired networks because is can not distinguish between congestion loss and transmission error loss,. This assumption results in unnecessary TCP performance degradation in wireless networks by reducing sender's congestion window size and retransmitting the lost packets. Also, repeated retransmissions loed to waste the limited battery power of mobile devices. In this paper, we propose the new congestion control scheme that add the algorithms monitoring networks states and the algorithms preventing congestion to improve TCP throughput performance and energy efficiency in wireless ad-hoc networks. Using NS2, we showd our scheme improved throughput performance and energy efficiency.
KEYWORDS

TCP, ADHOC, Ubiquitous, Routing
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