network expansion studies normally offer new power lines, new substations or expansion of existing substations. they are generally proposed based on technical requirements, but financial restrictions are not considered. because of financial restrictions, ranking of network expansion plans is required. in this paper an algorithm for such ranking, based on technical and financial view points and ...

With the popularization of mobile phone usage, telecommunication networks have turned into a socially binding medium. Considering the traces of human communication held inside these networks, telecommunication networks are now able to provide a proxy for human social networks. To study degree characteristics and structural properties in large-scale social networks, we gathered a tera-scale data...

Digital mobile communications comes to company sites. No cabling is required and the employees can be reached at any time at any place. However, planning of wireless digital networks is quite different from planning traditional wire-based systems. Small, local radio transmitters (senders) have to be installed to provide the wireless devices with signals. The specifics of radio wave propagation ...

The planning of investments when building and upgrading communication networks amounts to notoriously difficult combinatorial problems. Solving these issues can not be done in a straightforward way within a reasonable calculation time, despite the ever-growing computational power of computers and the flexible off-line character of network planning. In this paper, an overview is given of the mea...

Purpose – The purpose of this paper is to examine the effects of organizational citizenship behavior on enterprise resource planning system in Telecommunication Company of Iran. Design/methodology/approach – The papers develops a research model based on current literature and then test this model in Telecommunication Company. Statistics society consists of 202 experts include personnel affairs ...

the hierarchical hub location problem is encountered three-level network that is applied in production-distribution system, education system, emergency medical services, telecommunication network, etc. this paper addresses the hierarchical hub covering problem with single assignment accounting for mandatory dispersion of central hubs restriction as a special case. this formulation with incorpor...