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Enhancing TCP Performance over Wireless Networks

Li, Victor H. and Liu, Zhi-Qiang and Low, Steven H. (2002) Enhancing TCP Performance over Wireless Networks. In: Towards ubiquitous communications: IST Mobile & Wireless Telecommunications Summit. , pp. 85-89. ISBN 249181608.

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TCP flow control algorithms have been designed for wireline networks where congestion is measured by packet loss due to buffer overflow. However, wireless networks also suffer from significant packet losses due to bit errors and handoffs. TCP responds to all the packet losses by invoking congestion control and avoidance algorithms and this results in degraded end-to-end performance in wireless networks. In this paper, we describe a Wireless Random Exponential Marking (WREM) scheme which effectively improves TCP performance over wireless networks by decoupling loss recovery from congestion control. Moreover, WREM is capable of handling the coexistence of both ECN-Capable and Non-ECN-Capable routers. We present simulation results to show its effectiveness and compatibility.

Item Type:Book Section
Low, Steven H.0000-0001-6476-3048
Record Number:CaltechAUTHORS:20170810-133629598
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Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:80206
Deposited By: Pengcheng You
Deposited On:11 Aug 2017 19:18
Last Modified:09 Mar 2020 13:19

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