Reducing dropped calls for prioritised services in next generation multimedia networks
Reducing dropped calls for prioritised services in next generation multimedia networks
- Author(s): F.E. Garcia-Palacios ; A. Marshall ; D. McCartan
- DOI: 10.1049/cp:20000072
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- Author(s): F.E. Garcia-Palacios ; A. Marshall ; D. McCartan Source: First International Conference on 3G Mobile Communication Technologies, 2000 p. 356 – 360
- Conference: First International Conference on 3G Mobile Communication Technologies
- DOI: 10.1049/cp:20000072
- ISBN: 0 85296 726 8
- Location: London, UK
- Conference date: 27-29 March 2000
- Format: PDF
This paper presents experiments carried out in bandwidth reservation using the Mobile Multimedia Network Simulator (MMNS) developed at Queen's University. In these experiments, very small cells (picocells) are considered as a worst case scenario in next generation systems. Fixed post-reservation schemes are performed in the picocellular layer, while dynamic schemes may be performed in the overlaid (microcell and macrocell) layers. These bandwidth reservation schemes are implemented in order to minimise dropped calls for real-time users in a highly loaded environment where wideband traffic is dominant. The reservation schemes presented are easy to implement and keep the amount of processing and signalling in each wireless access point to a minimum. The simulation results show that reserving up to 10% bandwidth for specific wideband traffic classes results in an optimal reduction of dropped calls while at the same time minimises the effect on all other traffic classes.
Inspec keywords: broadband networks; picocellular radio; microcellular radio; multimedia communication; channel allocation
Subjects: Multimedia communications; Mobile radio systems
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