01562nas a2200145   4500008004100000245006300041210006300104260002900167520102000196653000901216100002101225700002201246700002301268856012501291       2004                        eng d00aPerformance Evaluation of TCP over UMTS Transport Channels0 aPerformance Evaluation of TCP over UMTS Transport Channels  c29 November - 1 December3 aUniversal Mobile Telecommunications System
(UMTS) is a third-generation cellular network that
enables high-speed wireless Internet access. It can
provide maximum data-rates ranging from 64kb/s to
2Mb/s in different environmental types. UMTS is
designed to provide access to the existing Internet
services as well as to UMTS specific services. It will
augment the existing capabilities of 2G mobile
networks and GPRS, and one often envisaged strategy
is to offer a richer set of multimedia services. It is
widely known that TCP does not perform efficiently in
wireless links where the bit error rate is high enough.
This paper has as main target to evaluate the
performance of TCP data transfer over the UMTS air
interface, by means of a rather detailed simulation
model. We examine the performance of TCP over
UMTS Dedicated Channels (DCHs) with different bit
rates and Transmission Time Intervals (TTIs) and we
represent some simulation experiments for UMTS
High Speed Downlink Packet Access (HSDPA)
transmissions.10aUMTS1 aBouras, Christos1 aAlexiou, Antonios1 aIgglesis, Vaggelis  uhttp://telematics.upatras.gr/telematics/publications/performance-evaluation-tcp-over-umts-transport-channels?language=el