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Hong K.-W.,Electronics and Telecommunications Research Institute | Ryu W.,Electronics and Telecommunications Research Institute | Park C.-W.,Mobile Technology Convergence Center | Lee H.-W.,Electronics and Telecommunications Research Institute
International Conference on Advanced Communication Technology, ICACT | Year: 2012

This paper handles features of the test-bed in detail including conceptual pictures. Also, the per-phase test-bed construction is described in terms of goal and action item. The utilization of the IPTV2.0 demonstration test-bed throughout the entire process from project planning to service launching and the expected effectiveness are suggested. Specifically, some media services show what kinds of applied services can be developed by utilizing the IPTV2.0 demonstration test-bed. © 2012 GIRI. Source


Hong K.,Electronics and Telecommunications Research Institute | Jo H.G.,Mobile Technology Convergence Center | Lee H.-W.,Electronics and Telecommunications Research Institute | Yoon C.,Electronics and Telecommunications Research Institute
International Conference on Advanced Communication Technology, ICACT | Year: 2013

We describe bonding modes of Linux channel bonding project and connection modes of virtual interface in the multimode terminal. Also, we propose the modified procedures in order to support the virtual interface in AIMS system which is seamless mobility management mechanism among heterogeneous access networks. © 2013 GIRI. Source


Lee S.,Mobile Technology Convergence Center | Cho K.,Mobile Technology Convergence Center | Kim D.,Mobile Technology Convergence Center | Jung H.,Mobile Technology Convergence Center | Park I.,Korea Electronics Technology Institute
International Conference on Ubiquitous and Future Networks, ICUFN | Year: 2014

This paper comparatively analyzes the performance of X-MAC and PW-MAC as asynchronous sensor MACs with tree-topology using virtual simulation. PW-MAC has better performance in comparison to X-MAC, but it is receiver-initiated and shows collision when data is sent to common receiver. Therefore, this study evaluates whether PW-MAC maintains better performance in tree topology having common receiver for all transmissions. The result of simulation on NS-2 showed better performance of PW-MAC than X-MAC in tree-topology. © 2014 IEEE. Source

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