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Influence of the Packet Size on the One-Way Delay on the Down-link in 3G Networks
Responsible organisation
2010 (English)Conference paper, (Refereed)
Abstract [en]

The number of mobile broadband users is increasing. Furthermore, these users have high expectations into the capabilities of mobile broadband, comparable to those in fixed networks. On the other hand, the capacity assignment process on mobile access links is far from transparent to the user, and its properties need to be known in order to minimize the impact of the network on application performance. This paper investigates the impact of the packet size on the characteristics of the one-way delay for the down-link in third-generation mobile networks. For interactive and real-time applications such as VoIP, one-way delays are of major importance for user perception; however, they are challenging to measure due to their sensitivity to clock synchronization. Therefore, the paper applies a robust and innovative method to assure the quality of these measurements. We focus on the down-link as this is still the link that carries the most traffic to the user, and the quality of it will have a significant impact on all IP-based services. Results from measurements from several Swedish mobile operators reveal the possibility to partly control one-way delay and its variability by choosing appropriate packet sizes. In particular, packet sizes leading to the use of WCDMA entail significant but hardly varying one-way delays. On the other hand, we also show that HDSPA networks can deliver large amounts of data at rather high speed, but the cost is a huge variability in the one-way delay.

Abstract [sv]

Vi utvärderar hur OWD i down-link för 3G (WCDMA/HSDPA) nätverk påverkas av paketstorleken. Vi redogör data för tre Svenska operatörer.

Place, publisher, year, edition, pages
Mondena: IEEE , 2010.
Keyword [en]
WCDMA, HSDPA, OWD, DOWN-LINK
National Category
Telecommunications Computer Science
Identifiers
URN: urn:nbn:se:bth-7827Local ID: oai:bth.se:forskinfo6933EB641A36F5B5C12577270026654CISBN: 9781424468577 (print)OAI: oai:DiVA.org:bth-7827DiVA: diva2:835489
Conference
IEEE International Symposium on Wireless Pervasive Computing
Available from: 2012-09-18 Created: 2010-05-18 Last updated: 2017-03-14Bibliographically approved

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fulltext(396 kB)96 downloads
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Arlos, PatrikFiedler, Markus
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CiteExportLink to record
Permanent link

Direct link
Cite
Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf