TCP FOR WIRELESS WORLD
Abstract
There has been an increase in importance in supporting data applications over networks with both wireless and wireline links. Many standard data applications used in current wireline networks are based on the reliable Transmission Control Protocol (TCP) which has been proven to work well in traditional networks where packet losses are mainly due to network congestion. However, TCP performance gets severely affected when used in wireless links where the channel is typically characterized by random errors due to fading and shadowing. There have been many schemes proposed to improve the performance of TCP over networks that have high-BER wireless links. In this paper, we discuss the end-to-end schemes and link-layer schemes that have been proposed and simulated by various authors and we give analytical reviews (based on effectivity and Practicality) on the proposals. From our analysis, we present conclusions on what are the most optimum end-to-end and link-layer techniques.
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