Measurements and Analysis of Application-Perceived Throughput via Mobile Links

  • Markus Fiedler
  • Lennart Isaksson
  • Peter Lindberg
Part of the Lecture Notes in Computer Science book series (LNCS, volume 5233)


Application-perceived throughput plays a major role for the performance of networked applications and user experience and thus, for network selection decisions. To support the latter, this tutorial paper investigates the process of user-perceived throughput in GPRS and UMTS systems seen over rather small averaging intervals, based on test traffic mimicking the needs of streaming applications, and analyzes the results with aid of summary statistics. These results reveal a clear influence of the network, seen from variations and autocorrelation of application-perceived throughput mostly on the one-second time scale and indicate that applications have to cope with significant jitter when trying to exploit the nominal throughputs. In GPRS, the promised average throughputs are not reached in downlink direction; instead, significant packet loss occurs. Furthermore, with aid of causality arguments for an equivalent bottleneck, bounds for the extra delay of the first packet sent via mobile links is derived from throughput measurements.


Throughput user-perceived Quality of Service UMTS GPRS higher-order statistics equivalent bottleneck 


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Copyright information

© Springer-Verlag Berlin Heidelberg 2011

Authors and Affiliations

  • Markus Fiedler
    • 1
  • Lennart Isaksson
    • 2
  • Peter Lindberg
    • 3
  1. 1.Blekinge Institute of Technology School of ComputingKarlskronaSweden
  2. 2.Ericsson India Private LimitedChennaiIndia
  3. 3.AerotechTelub ABVäxjö

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