Downlink streaming performance over evolved HSPA

Authors:
Csaba Deák;Lóránt Farkas;Gergely Hományi;Csaba Vulkán
Affiliations:
Nokia Siemens Networks Hungary Kft, Budapest, Hungary;Nokia Siemens Networks Hungary Kft, Budapest, Hungary;Nokia Siemens Networks Hungary Kft, Budapest, Hungary;Nokia Siemens Networks Hungary Kft, Budapest, Hungary
Venue:
Proceedings of the 2009 International Conference on Wireless Communications and Mobile Computing: Connecting the World Wirelessly
Year:
2009

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Abstract

Evolved HSPA is a distributed, packet based radio access system that provides high user data rate and low latency. In our contribution the performance of streaming applications over Evolved HSPA is analyzed in realistic network scenarios. The simulation results indicate that in certain scenarios the adaptation latency experienced in case of applying 3GPP PSS Release 8-compliant streaming adaptation is excessively high, causing stream degradation and thus contributing to an end user experience of lower quality. Possible ways of mitigation are briefly outlined.