Business opportunities throughUMTS-WLAN networks

Varoutas, Dimitris; Katsianis, Dimitris; Sphicopoulos, T.; Loizillon, Francois; Kalhagen, Kjell Ove; Stordahl, Kjell; Welling, Ilari; Harno, Jarmo

doi:10.1007/bf03001028

Cited by 17 publications

(1 citation statement)

References 3 publications

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“…Por eso sus condicionantes, aproximaciones y potenciales ha sido ampliamente estudiados (por ejemplo, Wack, 1985aWack, , 1985bSchoemaker, 1995;Schwartz, 1996;Godet, 2000). Junto a ello, muchos son los modelos tecnoeconómicos que se han propuesto para aplicación en los más diversos escenarios, desde las redes cableadas de banda ancha (Olsen et al1996;Ims et al 1996;Antunes et al 1998) a las de móviles, posiblemente uno de los entornos más variados dado el auge de las tecnologías que lleva asociadas (Katsianis, 2001;Bjorkdahl and Bohlin, 2002;Varoutas et al 2003;Park and Chang, 2004).…”

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Contribución al estudio de la viabilidad de operadores de telecomunicaciones de acceso inalámbrico fijo mediante el desarrollo de escenarios tecno-económicos

Fernández¹

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Wireless access is seen again, after several years of oblivion, as a feasible way to provide the services that Information Society demands.Certainly, first deployments did not succeed in gaining the local loop for new operators, but current developing standards involving different agents (802.16 family), and successful deployments for internet access via WiFi are opening new possibilities for fixed radio access. Among them, advanced customer services, including mobility, both competing or complementing other networks.A crucial point when dealing with new business opportunities is the market answer to the modern technologies. A procedure that could Tesis doctoralViabilidad del acceso radio mediante escenarios tecno-económicos ___________________________________________________________________________________________________ v

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Section: Entorno Académicounclassified

Contribución al estudio de la viabilidad de operadores de telecomunicaciones de acceso inalámbrico fijo mediante el desarrollo de escenarios tecno-económicos

Fernández¹

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The economics of integration of DVB‐S with terrestrial technologies and the role of dynamic bandwidth management

Katsianis

Varoutas

Apostolopoulou

2007

Satell Commun Network

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SUMMARYThis paper presents the technoeconomic aspects of network solutions based on integration of satellite and terrestrial, based on ADSL, WLAN and DVB-T technologies, architectures. Following a discussion of the general deployment context, the business case framework is described in terms of areas served, services offered, tariffs, demand assumptions, as well as network architecture and dimensioning rules. The key cost items are presented and economic estimations are provided in the case of telecom operators, which integrate satellite bandwidth with terrestrial technologies in different area types. The evaluated business cases have shown that the satellite rental cost (airtime cost) level is one of the most critical parameter for the economic indicator of present value. Therefore, agreements with satellite operators for spectrum usage will give operators space for business opportunities and acceptable profit margins. In addition, dynamic bandwidth allocation schemes can exploit the aggregated traffic within satellite transmission, which can benefit satellite, telecom and cable operators offering entertainment on broadband business as well as new entrants in broadband business, equipment vendors, broadcasters and TV companies.

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Importance of the Maturity of Photonic Component Industry on the Business Prospects of Optical Access Networks: A Techno-Economic Analysis

Varoutas

Kamalakis

Katsianis

et al. 2007

NETWORKING 2007. Ad Hoc and Sensor Networks, Wireless Networks, Next Generation Internet

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Abstract. This paper discusses the influence of the maturity of the photonic component industry (PCI) in the business prospects of optical access network deployments. Using the TONIC techno-economic tool, the business prospects of such deployments (in terms of traditional investment indexes such as the Net Present Value -NPV or Internal Rate of Return -IRR) are related to the several factors which characterize the maturity of the PCI such as production volumes and component cost evolution. The analysis shows that even if the cost of Fiber-to-the-Home/Office (FTTH/O) and Fiber-to-the-Curb scenarios are mainly influenced by fiber installation costs, the price reduction rate of photonic components may also affect the investment strategies. To speed up the cost reductions, telecom carriers should therefore invest on optical technology research and development.

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Business opportunities throughUMTS-WLAN networks

Cited by 17 publications

References 3 publications

Contribución al estudio de la viabilidad de operadores de telecomunicaciones de acceso inalámbrico fijo mediante el desarrollo de escenarios tecno-económicos

Contribución al estudio de la viabilidad de operadores de telecomunicaciones de acceso inalámbrico fijo mediante el desarrollo de escenarios tecno-económicos

The economics of integration of DVB‐S with terrestrial technologies and the role of dynamic bandwidth management

Importance of the Maturity of Photonic Component Industry on the Business Prospects of Optical Access Networks: A Techno-Economic Analysis

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