Impact of the transport network congestion control on the HSUPA performance

Thushara Weerawardane, Yasir Zaki, Andreas Timm-Giel, Gennaro C. Malafronte, Stephan Hauth, Carmelita Görg

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

High Speed Uplink Packet Access (HSUPA) is an extension of the Universal Mobile Telecommunications System (UMTS) technology of 3GPP Rel-99, with the objective increasing the data rate (up to 5.76 Mbps) and reducing the latency of the uplink. 3GPP UMTS standard Rel-6 introduces a new "Enhanced Dedicated Channel" (EDCH) for the uplink. The main focus of the work presented in this paper is to analyse the effect of TNL congestion control on the HSUPA performance. The congestion control function works together with the scheduler and HARQ functionality in order to control the offered load to the TNL network. In this manner, the data flow over the transport network (TNL) is adequately controlled and limited to the available TNL capacity by avoiding congestion in the transport network. The TNL congestion control consists of two independent parts: congestion detection and congestion control which have been implemented, tested and validated within the focus of this paper. The simulation results presented in this paper confirm that the congestion in the transport network can be controlled in such a way that the available TNL capacity can be effectively utilised and hence the performance of HSUPA network can be significantly improved in all aspects.

Original languageEnglish (US)
Title of host publicationVTC Spring 2009 - IEEE 69th Vehicular Technology Conference
DOIs
StatePublished - Oct 12 2009
EventVTC Spring 2009 - IEEE 69th Vehicular Technology Conference - Barcelona, Spain
Duration: Apr 26 2009Apr 29 2009

Other

OtherVTC Spring 2009 - IEEE 69th Vehicular Technology Conference
CountrySpain
CityBarcelona
Period4/26/094/29/09

Fingerprint

Congestion Control
Uplink
High Speed
Mobile telecommunication systems
Congestion
Telecommunications
Control Function
Scheduler
Data Flow
Latency
Simulation

Keywords

  • Congestion control
  • Congestion detection
  • HSUPA

ASJC Scopus subject areas

  • Computer Science Applications
  • Electrical and Electronic Engineering
  • Applied Mathematics

Cite this

Weerawardane, T., Zaki, Y., Timm-Giel, A., Malafronte, G. C., Hauth, S., & Görg, C. (2009). Impact of the transport network congestion control on the HSUPA performance. In VTC Spring 2009 - IEEE 69th Vehicular Technology Conference [5073586] https://doi.org/10.1109/VETECS.2009.5073586

Impact of the transport network congestion control on the HSUPA performance. / Weerawardane, Thushara; Zaki, Yasir; Timm-Giel, Andreas; Malafronte, Gennaro C.; Hauth, Stephan; Görg, Carmelita.

VTC Spring 2009 - IEEE 69th Vehicular Technology Conference. 2009. 5073586.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Weerawardane, T, Zaki, Y, Timm-Giel, A, Malafronte, GC, Hauth, S & Görg, C 2009, Impact of the transport network congestion control on the HSUPA performance. in VTC Spring 2009 - IEEE 69th Vehicular Technology Conference., 5073586, VTC Spring 2009 - IEEE 69th Vehicular Technology Conference, Barcelona, Spain, 4/26/09. https://doi.org/10.1109/VETECS.2009.5073586
Weerawardane T, Zaki Y, Timm-Giel A, Malafronte GC, Hauth S, Görg C. Impact of the transport network congestion control on the HSUPA performance. In VTC Spring 2009 - IEEE 69th Vehicular Technology Conference. 2009. 5073586 https://doi.org/10.1109/VETECS.2009.5073586
Weerawardane, Thushara ; Zaki, Yasir ; Timm-Giel, Andreas ; Malafronte, Gennaro C. ; Hauth, Stephan ; Görg, Carmelita. / Impact of the transport network congestion control on the HSUPA performance. VTC Spring 2009 - IEEE 69th Vehicular Technology Conference. 2009.
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