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Link quality estimation for arbitrary packet sizes over wireless links using packet reception events
KTH Royal Inst Technol, Dept Biomed Engn & Hlth Syst, Halsovagen 11C, S-14157 Huddinge, Sweden.
Uppsala University, Disciplinary Domain of Science and Technology, Mathematics and Computer Science, Department of Information Technology, Computer Systems.
2019 (English)In: International Journal of Communication Systems, ISSN 1074-5351, E-ISSN 1099-1131, Vol. 32, no 16, article id e4115Article in journal (Refereed) Published
Abstract [en]

The packet error rate of wireless links is known to increase with the length of packets. Yet, packet length is rarely taken into account in protocols and algorithms estimating the packet error rate. Still, it is an important factor that higher layer protocols need to be aware of. In this article, we systematically measure the relationship between packet length and packet error rate over a wide range of wireless links and technologies. On the basis of our measurements, we propose a simple empirical model that can capture this behavior. Using this model, multiple methods are proposed that can estimate the packet error rate for any packet length by sampling the link. We consider methods based on hello packets with controlled packet lengths as well as data packets, where the transmitted packet lengths cannot be controlled. We investigate the accuracy of the different estimation methods in various situations and show how they are able to predict the delivery ratio for different packet sizes.

Place, publisher, year, edition, pages
2019. Vol. 32, no 16, article id e4115
Keywords [en]
bit error rate, hello protocol, link quality estimation, packet error rate
National Category
Communication Systems
Identifiers
URN: urn:nbn:se:uu:diva-398819DOI: 10.1002/dac.4115ISI: 000478835300001OAI: oai:DiVA.org:uu-398819DiVA, id: diva2:1378706
Funder
Vinnova, 2015-02536Available from: 2019-12-13 Created: 2019-12-13 Last updated: 2019-12-13Bibliographically approved

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Rohner, Christian

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