Chan, Auc Fai and Leis, John 
ORCID: https://orcid.org/0000-0001-5930-8139
(2008)
Comparison of weighted average and median filters for wireless retransmission timeout estimation.
In: ICSPCS 2008: 2nd International Conference on Signal Processing and Communication Systems, 15-17 Dec 2008, Gold Coast, Australia.
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Abstract
Estimation of retransmission timeout (RTO) in TCP networks is important in order to maximize throughput. If the RTO is too small, packets will be unnecessarily declared lost, thus resulting in a retransmission. If RTO is too large, applications will wait too long before declaring a packet to be lost, thus reducing throughput. The conventional method due to Karn and Jacobson for estimating RTO is using a smoothing filter [1], [2], and this was later refined to utilize mean deviation measurements [1], [2]. In wireless links, the delay can often be impulsive, and weighted-average filters perform poorly. This paper presents results for mobile wireless transmission, and investigates the use of a median filter for timeout estimation in the presence of competing traffic flows. We demonstrate the applicability of this approach to estimating TCP round-trip times, and UDP packet jitter.
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| Item Type: | Conference or Workshop Item (Commonwealth Reporting Category E) (Paper) |
|---|---|
| Refereed: | Yes |
| Item Status: | Live Archive |
| Additional Information: | © 2008 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works. |
| Faculty/School / Institute/Centre: | Historic - Faculty of Engineering and Surveying - Department of Electrical, Electronic and Computer Engineering (Up to 30 Jun 2013) |
| Faculty/School / Institute/Centre: | Historic - Faculty of Engineering and Surveying - Department of Electrical, Electronic and Computer Engineering (Up to 30 Jun 2013) |
| Date Deposited: | 19 Feb 2009 06:14 |
| Last Modified: | 02 Jul 2013 23:09 |
| Uncontrolled Keywords: | median filter; TCP; wireless; congestation |
| Fields of Research (2008): | 10 Technology > 1005 Communications Technologies > 100503 Computer Communications Networks 09 Engineering > 0906 Electrical and Electronic Engineering > 090609 Signal Processing 10 Technology > 1005 Communications Technologies > 100510 Wireless Communications |
| Fields of Research (2020): | 40 ENGINEERING > 4006 Communications engineering > 400604 Network engineering 40 ENGINEERING > 4006 Communications engineering > 400607 Signal processing 40 ENGINEERING > 4006 Communications engineering > 400608 Wireless communication systems and technologies (incl. microwave and millimetrewave) |
| Socio-Economic Objectives (2008): | E Expanding Knowledge > 97 Expanding Knowledge > 970108 Expanding Knowledge in the Information and Computing Sciences |
| Identification Number or DOI: | https://doi.org/10.1109/ICSPCS.2008.4813668 |
| URI: | http://eprints.usq.edu.au/id/eprint/4625 |
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