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The paper assesses the market conditions and dynamics, the architectures and the different approaches for deployment of 3G Mobile Virtual Network Operators (MVNOs), in an attempt to address specific advantages and pitfalls. Following the definition of appropriate service sets and tariff structures, and taking into account demand scenarios, a techno-economic model has been developed, in order to compute key economic indicators. The paper presents techno-economic results of specific business cases and deployment alternatives for an average "large" European country and a smaller, Nordic-type country. Fixed and variable costs have been identified and the business case shows how different service sets lead to different costs. Different MVNO business profiles have been investigated. Profitability for all scenarios and business profiles has been calculated, presented and discussed. Major opportunities and threats, as well as critical parameters and uncertainties have been identified through sensitivity analysis.

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This paper presents a techno-economic evaluationof combined VMTS and WLAN operator business case spanning years 2002-2011. The study is based on the work by the TONIC pmject [ I ] under the European Union IST (Informtlrion Society Technologies) programme 121. The study pmvides a framework to compare all the main factors affecting the UMTS operator's business case and evaluation of the WIAN profitability impact as complementary access technology. The example cases differ in country demographics and rollout plans relating to competition and demand situation and regulatory requirements.