Spectrum handover is a significant topic in the cognitive radio networks to assure an efficient data transmission in the cognitive radio user’s communications. This paper proposes a comparison between three spectrum handover models: VIKOR, SAW and MEW. Four evaluation metrics are used. These metrics are, accumulative average of failed handover, accumulative average of handover performed, accumu...

Nowadays, the plant location selection has a critical impact on the performance of numerous companies. In this paper, a methodology is presented to solve this problem. The three decision making methods, namely Delphi, AHP and improved VIKOR, are hybridized in order to make the best use of information available based on the decision makers or experts. In this respect, the aim of using Delphi is ...

Abstract In recent decades, private labels have been the focus of great development in retail due to their price advantage and consumer-oriented production. With growing customer awareness safety health, private-label sustainable supplier selection has become a strategic issue for many retailers. Although there are studies on issues evaluation methods, sustainability consumption sectors rather ...

This paper processes a combined method, based on VIKOR and Data Envelopment Analysis (DEA) to select the units with most efficiency. We utilize the VIKOR as compromise solution method. This research is a two-stage model designed to fully rank the alternatives, where each alternative has multiple inputs and outputs. The problem involves BELIEF parameters in the solution procedure. First, the alt...

As a result of the inability people to meet their demands in face increasing demands, tend have private health insurance addition general offered as public service. Due trend taking out sustainable insurance, number plans market has increased significantly. Therefore, may be confronted by wide range plan options. However, there is limited information about how analyze policies protect terms ben...

Working in hot and humid environments can jeopardize the health safety of workers reduce their efficiency. Different physical, environmental, human factors influence risk level working these atmospheres. Therefore, assessment such atmospheres must be carried out from a holistic point view. This paper aims to introduce novel prioritization model, using hybrid AHP VIKOR methods fuzzy environment....

Knowledge management can greatly facilitate an organization’s learning via strategic insight. Assessing the achievements of knowledge communities (KC) includes both a theoretical basis and practical aspect; however, a cautionary word is in order, because using improper measurements will increase complexity and reduce applicability. Group decision-making, the essence of knowledge communities, le...