Jinbae Kim

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Providing seamless connectivity in heterogeneous wireless networks has been a challenging job for the last couple of years. Traditional Vertical Handover Management (VHM) schemes are not enough good, to support seamless connectivity in heterogeneous networks. Therefore, to deal with the challenges such as inappropriate handover triggering and network(More)
Type II fuzzy number (T2FN) is a useful modeling tool for capturing more general ambiguity type uncertainties. It is used for representing several unfixed rules, knowhow and general dynamics. Even though the T2FN has received enormous emphases, the analyses of a T2FN embedded functions are studied comparatively less. What this paper focused on is(More)
Information and Communication Technologies (ICT) changed our everyday business drastically. Business routines have been transformed to online activities. New theories and models were developed for the brand new online environment. For online negotiations, however, the research on new mechanisms is not enough, especially for bilateral distributive(More)