On the performance of opportunistic beamforming
On the performance of opportunistic beamforming
- Author(s): H.S. Tan ; J.S. Thompson ; D.G.M. Cruickshank
- DOI: 10.1049/cp:20030410
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- Author(s): H.S. Tan ; J.S. Thompson ; D.G.M. Cruickshank Source: Fourth International Conference on 3G Mobile Communication Technologies, 2003 p. 428 – 431
- Conference: Fourth International Conference on 3G Mobile Communication Technologies
- DOI: 10.1049/cp:20030410
- ISBN: 0 85296 756 X
- Location: London, UK
- Conference date: 25-27 June 2003
- Format: PDF
Opportunistic beamforming (OB) which exploits the advantages of both multiuser diversity and proportional fairness (PF) scheduling is shown to increase the downlink throughput of a system. In this paper, simulation results of delay and throughput performance with respect to the rate of antenna pattern updates are described. A channel model is used which includes shadowing effects, path loss and Rayleigh fading. The results indicate a favourable throughput performance with increasing antenna update rates while the delay performance shows a trade off between average delay and 90 percentile values in which the latter favour the use of OB.
Inspec keywords: scheduling; antenna radiation patterns; telecommunication traffic; diversity reception; array signal processing; 3G mobile communication; Rayleigh channels; simulation; code division multiple access; delays
Subjects: Signal processing and detection; Mobile radio systems
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