• The Journal of the Institute of Internet, Broadcasting and Communication
• /
• v.17 no.3
• /
• pp.203-208
• /
• 2017

Recently, the importance of DRAM is very significant in multicore processors which are widely used in computers, laptops, tablet PCs, and mobile devices. To keep up with this, both industry and academia have actively studied various types of future DRAMs. Therefore, accurate DRAM model is requisite when evaluating the multicore processor performance. In this paper, a multicore processor trace-driven simulator which can couple with the cycle-accurate DRAM simulator has been developed. Using SPEC 2000 benchmarks as input, the effect of cycle-accurate DDR3 model on the multicore processor performance has been evaluated.

• The Journal of the Institute of Internet, Broadcasting and Communication
• /
• v.18 no.4
• /
• pp.169-175
• /
• 2018

Recently, power dissipation issue is very significant not only in high-end modern processors but also in embedded systems and mobile devices. Based on the power dissipation, hardware and software designers can correctly find the power/performance tradeoffs. Most power analysis tools calculate power dissipation when chip layout or floor planning are finished. In this paper, a trace-driven simulator that can interact with power analysis tool for an embedded microprocessor has been developed. Using MiBench embedded benchmarks as input, the trace-driven simulation has been performed to estimate the average power dissipation which is faster than the conventional tools.

• The Journal of the Institute of Internet, Broadcasting and Communication
• /
• v.20 no.6
• /
• pp.59-64
• /
• 2020

As the number of elderly people rapidly increases, needs of patient safety monitoring system also increases in indoor and outdoor medical facilities. With developing technologies related to sensors and information and communication technology, various dementia patient monitoring systems have been proposed. However, previous studies that depend on wearable devices provides limited functionalities. In this paper, we designed an integrated system that includes smart devices to monitor patient's status, user friendly UI/UX, and interaction with hospital information system. Medical teams and carers can receive satus of each patient in real-time and trace the location of dementia patients outdoor as well as indoor by using the proposed system.

• The Journal of the Institute of Internet, Broadcasting and Communication
• /
• v.9 no.6
• /
• pp.141-154
• /
• 2009

Digital Ecosystem is a new word for dynamic IT business environments. Digital Ecosystem can consist of various enterprise federations such as competing, collaborating and stable or unstable ones. They make it difficult to implement identity management for the environment. Existing solutions are either too restricting and inflexible to support the dynamic nature of ecosystems since they are too complex and difficult to adopt. This paper is to propose an distributed identity management model for automated processing of identity information between ecosystems. It is featured with being practical, clear and easy to deploy. And it is based on the new OASIS SAML3.0 standard to provide interoperability between existing identity technologies. This paper presents the basic and extended identity model for single service and multiple services. The model presented in this paper can be applied to enterprise context easily.

• Proceedings of the Korean Institute of Information and Commucation Sciences Conference
• /
• v.9 no.2
• /
• pp.643-646
• /
• 2005

In this paper, we present a service model which serves multimedia contents to end consumer(End-user) that have various mobile communication terminals under a communication & broadcasting converged environment that broadcasting and communication networks are linked. A main feature of this service model is that it has a distribution structure that deliver to end consumer via adaptation of content from production of contents offering End to End (E2E) media QoS and personalized contents consumption. The proposed service model may be used as a reference model for distribution of multimedia content in communication & broadcasting converged environment in the future.

• Electronics and Telecommunications Trends
• /
• v.21 no.4 s.100
• /
• pp.34-44
• /
• 2006

UCA 기술은 이종망과 다양한 단말로 구성되는 통방융합 환경에서 사용자가 언제 어디서나 원하는 방송 콘텐츠를 다양한 수준의 품질이 보장된 형태로 접근/소비할 수 있는 유비쿼터스 콘텐츠 서비스를 제공하기 위한 상호연동 가능한 멀티미디어 프레임워크기술이다. UCA 기술은 OSMU, E2E QoS-enabled 콘텐츠 서비스, 개인 맞춤형 소비를 위한 서비스 기능 등을 제공하는 것으로, 향후 All-IP 기반의 통합 인프라로 진행될것으로 전망되는 통방융합의 기반 기술로 통방융합 Info-Structure를 제공하기 위한 기술이라고 할 수 있다. 본 고에서는 UCA 기술의 전반적인 기술 개요 및 표준 기반의주요 핵심기술을 소개하고 관련 기술개발 동향 및 전망을 살펴본다.

• The Journal of the Institute of Internet, Broadcasting and Communication
• /
• v.11 no.6
• /
• pp.107-118
• /
• 2011

This paper shows a u-Health management system in user's Life environment, which is different from previous ones by enterprises. It's designed for users(citizens) and service provider(especially providing medical service). This paper is discussing on the proof on the service model being operated near the Tancheon stream in the city of Sung-nam. To maximize users' satisfaction, this service has been designed on four disciplines(so easy, so simple, well-customized, funny feedback) in the viewpoint for users. Its algorithm has 4 levels which are measurement, prescription, monitoring and feedback. In the system. there are HCBs(health check boothes) checking out status and assessment of users, customized health prescription customized a health management service prescription engine, exercise programs customized on exercise equipments near the stream and monitoring system.

• Journal of Broadcast Engineering
• /
• v.16 no.3
• /
• pp.394-402
• /
• 2011

We introduce the standard content identifier Universal Content Identifier (UCI) and a watermarking system that embeds UCI for the broadcast content distribution services. Our proposed UCI embedder is designed in consideration of integrating with the previously established broadcast system and protecting the illegal distribution of broadcast contents. Our goal is that when broadcast content is transmitted, 28 byte UCI is embedded imperceptibly in the content itself in real-time and the embedded UCI is successfully extracted not only in the typical format used in the broadcast content distribution service but also in the illegally distributed broadcast contents. Usually the illegally distributed contents are modified from the original by changing resolutions, frame rates, or adjusting colors. In this paper, we present a watermarking scheme that embeds 28 byte UCI in broadcast content in real-time while keeping the visual quality high and the embedded watermark robust enough to survive through the various modification. The experimental results show that the embedded UCI remains in the various modified versions of content and that the visual degradation by embedding is not noticeable.

• Journal of Broadcast Engineering
• /
• v.25 no.4
• /
• pp.487-496
• /
• 2020

For the purpose of next generation technology for robot perfomances, a RAoRA (Robot Actor on Robot Arm) structure was proposed using a robot arm joined with a humanoid robot actor. Mechanical analysis, machine design and fabrication were performed for motions combined with the robot arm and the humanoid robot actor. Kinematical analysis for 3D model, spline interpolation of positions, motion control algorithm and control devices were developed for movements of the robot actor. Preliminary visualization, simulation tools and integrated operation of consoles were constructed for the non-professionals to produce intuitive and safe contents. Air walk was applied to test the developed platform. The air walk is a natural walk close to a floor or slow ascension to the air. The RAoRA also executed a performance with 5 minute-running time. Finally, the proposed platform of robot performance presented intensive and live motions which was impossible in conventional robot performances.

• The Journal of the Institute of Internet, Broadcasting and Communication
• /
• v.15 no.1
• /
• pp.229-235
• /
• 2015

ICT healing platform is based on bio-signal and life habit information target to alarm early sickness concept prevention chronic pain. ICT(Information & Communication Technology) healing platform target on personal lead health management care of several health agencies and open of the (hospital, fitness center, health examination center, personal health device) personal health information together to personal device. Support Analysis Platform and Open API to vitalization optional services. In this paper proposal to access personality healing data Open Gateway Framework of Healing Platform Adaptor (HPAdaptor) ICT healing platform means Data relaying link to EMR(Electronic health record), korean medicine, life log, wellness, chronic pain, and fineness several personal health data provider and service provider personal healing data with software engine. After Design HPAdaptor can use for data and service provider record storage, mobile platform and analytics platform need data service or platform relying reference model.