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Title: An Enhanced TCP Congestion Control Approach to Evaluate Performance over WiMax Network

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Title:
An Enhanced TCP Congestion Control Approach to Evaluate Performance over WiMax Network
Author Name:
Manju, Lovnish Bansal
Abstract:
WiMax (World wide Interoperability for Microwave access) technology is presently one of the most promising global telecommunication systems. Great hopes and important investments have been made for WiMax, which is a Broadband Wireless Access System having many applications: fixed or last-mile wireless access, backhauling, mobile cellular network, telemetering, etc. Wimax is based on the IEEE 802.16 standard, having a rich set of features. It provides high-speed access to the Internet where the Transmission Control Protocol (TCP) is the core transport protocol. Congestion control is widely considered to be a key problem for WiMax, which can lead to degradation in the quality of service (QoS) of the WiMax network. Over the years, numerous Transmission Control Protocol (TCP) congestion control algorithms have been proposed for deployed wireless and wired networks. The main aim of these algorithms was to successfully handle the congestion and minimizing packet loss. We concentrate on three congestion control algorithms (TCP Variants). These TCP Variants include TCP-Tahoe, TCP-Sack and TCP-Fack. So in this thesis work an extensive experimental analysis using Network Simulator (NS-2) has been carried out to study the effect of higher offered load on the base station with different TCP Variants in relation with RED (Random Early Detection) an active queue management technique, which ensures the the provision of Quality of Service (QoS) in terms of Throughput, Packet Delivery Ratio, Average Delay and Routing Overhead.
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