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Game theory based hybrid frequency assignment with net filter discrimination constraints
전홍배,구본홍,채찬병,박성호,이형주 한국통신학회 2019 ICT Express Vol.5 No.2
In this letter, we propose a game-theory based heuristics for assigning frequency resources in communication systems. We suggest an algorithm that combines centralized and distributed behavior under the consideration of net filter discrimination (NFD) which leads to efficient usage of frequency resources. We show that by applying the heuristics, (because we applied a distributed algorithm that uses local information only) we can do the following: maximize the sum of users’ signal-to-interference-noise-ratio (SINR), minimize the standard deviation of SINRs between users, and also reduce the computational complexity. All of these achievements concern crucial issues in, for example, military communications where users need high-quality communication, less probability of isolation, rapid action corresponding to rapidly-varying military situations.
RDF(Resource Description Framework) 기반 물류 정보 모델 구축 및 응용에 관한 연구
전홍배,서효원 대한산업공학회 2008 산업공학 Vol.21 No.2
Recently, due to emerging technologies such as radio frequency identification(RFID), global positioning system(GPS), and wireless mobile communication technologies, it is possible to build up the infrastructure for tracking and tracing product logistics data at any place and at any time. However, for implementing the infrastructure, it is necessary to develop a suitable management method for product logistics data. To this end, this study deals with a resource description framework(RDF) based modeling and application method for product logistics data in the ubiquitous environment. It will give us the capability to control product logistics data, which leads to streamline logistics operations.