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　　　☆Area selection method based on consumer behavior:

　　　　Wired/wireless information communication networks have been expanded

　　　to meet the demand of broadband services as part of information and communication

　　　technology (ICT) infrastructure. As the installation and expansion of ICT

　　　infrastructure requires a large amount of time and money, the decision on

　　　how to select the installation area is a key issue. Low-usage facilities can cause

　　　problems for businesses in terms of investment efficiency. Moreover, it takes time

　　　to select areas because of the need to estimate the potential demand and to manage

　　　the installation of the infrastructure for thousands of municipal areas across a nation.

　　　　Our reearch proposes an efficient microarea selection method for use

　　　during the life cycle of broadband services, i.e., from early to late stage.

　　　This method is developed considering consumer segmentation, the broadband service

　　　diffusion model by consumer behaviour, and area characteristics based on employee

　　　fluidity. The proposed method is evaluated on worldwide interoperability

　　　for microwave access (WiMAX) and its applicability is ascertained on the basis of

　　　the infrastructure’s area penetration rate and area characteristics.