Simulation of S-UMTS system
Simulation of S-UMTS system
- Author(s): M.A.K. Sumanasena ; B.G. Evans ; R. Tafazolli
- DOI: 10.1049/ic:20020064
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- Author(s): M.A.K. Sumanasena ; B.G. Evans ; R. Tafazolli Source: Simulation and Modelling of Satellite Systems, 2002 page ()
- Conference: Simulation and Modelling of Satellite Systems
This paper presents simulation aspects of the standard satellite universal mobile telecommunication system (S-UMTS) air interface and the generic models used for the simulation of the physical layer. It is very important to validate the accuracy of the individual models before combining them. Therefore, a full description of the important models for parameters such as modulation, encoding, interleaving and rate matching is presented, together with the performance comparison with the theoretical/expected results. Having justified the accuracy of these models, a complete physical layer is then developed by combining these individual models. A system corresponding to the satellite wideband code division multiple access, SW-CDMA (as proposed for S-UMTS standardisation by the European Space Agency, ESA), with suitable modifications, has been considered as a reference system. Performance evaluation of the proposed adaptive physical layer was carried out in a lightly wooded environment. The average BER of 6.4×10-4 is less than our target of 10-3. In addition, throughput was improved from 35 kbps (conventional system) to 44.5 kbps (adaptive system). (5 pages)
Inspec keywords: interleaved codes; digital simulation; channel coding; telecommunication computing; code division multiple access; modulation; error statistics; mobile satellite communication; fading channels
Subjects: Multiple access communication; Mobile radio systems; Simulation techniques; Modulation and coding methods; Satellite communication systems; Communications computing
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