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Managing radio network congestion in UTRA-FDD

Managing radio network congestion in UTRA-FDD

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The presence of different service classes in the context of 3G mobile communication systems opens up new possibilities to exploit the spectrum in an efficient way. In the search of such a high efficiency, radio network congestion may arise and it is mandatory to include suitable algorithms to deal with these situations. Here, congestion control mechanisms in the radio interface of UTRA FDD are proposed and analysed. Results show that under congestion it seems more suitable to adopt firm and strict rate control decisions rather than softer policies.

References

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      • http://www.3gpp.org
    2. 2)
      • http://www.3gpp2.org
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      • De Bernardi, R.: `Load control strategies for mixed services in WCDMA', Proc. of Vehicular Technology Conf. 2000, VTC'00, Boston, MA, USA, p. 825–829
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      • Rave, W.: `Evaluation of load control strategies in an UTRA/FDD network', Proc. of Vehicular Technology Conf. 2001, VTC'01, Atlantic City, USA, p. 2710–2714
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      • 3G TS 34.108 v.3.2.0, ‘Common test environment for user equipment. Conformance testing’
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      • UMTS 30.03 v.3.2.0, ‘Selection procedures for the choice of radio transmission technologies of the UMTS’, April, 1998.
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      • Olmos, J., Ruiz, S.: `UTRA-FDD link level simulator for the ARROWS project', IST'01 Conf. Proc., p. 782–787
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