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Title:Routing and Transport Layer Protocols for Wireless Networks
Author(s):Sinha, Prasun
Doctoral Committee Chair(s):Vaduvur Bharghavan
Department / Program:Computer Science
Discipline:Computer Science
Degree Granting Institution:University of Illinois at Urbana-Champaign
Subject(s):Computer Science
Abstract:We study the performance limitations of TCP's (Transmission Control Protocol) congestion control mechanism on Wide Area Wireless Networks (WWANs) and also on ad hoc networks. We identify the properties of typical WWANs based on studies on the CDPD (Cellular Digital Packet Data) network, simulate (ns-2) the environment and design our protocol (WTCP) in this simulation environment to compare it with TCP-NewReno, TCP-Vegas, and Snoop-TCP. We also evaluated an implementation of the protocol in the CDPD network and found substantial performance improvements over an off-the-shelf TCP. For ad hoc networks, we propose and evaluate (using ns-2 simulator) a congestion control mechanism which uses hop-by-hop rate control with back-pressure. We show that our protocol has improved fairness properties compared to TCP based protocols.
Issue Date:2001
Description:158 p.
Thesis (Ph.D.)--University of Illinois at Urbana-Champaign, 2001.
Other Identifier(s):(MiAaPQ)AAI3017208
Date Available in IDEALS:2015-09-25
Date Deposited:2001

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