• 제목/요약/키워드: ubiquitous communication

검색결과 1,214건 처리시간 0.028초

Design and Evaluation of Telematics User Interface for Ubiquitous Vehicle

  • Hong, Won-Kee;Kim, Tae-Hwan;Ko, Jaepil
    • 한국산업정보학회논문지
    • /
    • 제19권3호
    • /
    • pp.9-15
    • /
    • 2014
  • In the ubiquitous computing environment, a ubiquitous vehicle will be a communication node in the vehicular network as well as the means of ground transportation. It will make humans and vehicles seamlessly and remotely connected. Especially, one of the prominent services in the ubiquitous vehicle is the vehicle remote operation. However, mutual-collaboration with the in-vehicle communication network, the vehicle-to-vehicle communication network and the vehicle-to-roadside communication network is required to provide vehicle remote operation services. In this paper, an Internet-based human-vehicle interfaces and a network architecture is presented to provide remote vehicle control and diagnosis services. The performance of the proposed system is evaluated through a design and implementation in terms of the round trip time taken to get a vehicle remote operation service.

Context-Awareness for Location Based-Service for Ubiquitous Learning with underlying Principles of Ontology, Constructivism, Artificial Intelligence

  • Gelogo, Yvette;Kim, Hye-jin
    • International Journal of Internet, Broadcasting and Communication
    • /
    • 제4권2호
    • /
    • pp.7-11
    • /
    • 2012
  • In this paper, we defined constructivism and ontology theory and associate it in ubiquitous learning. The typical ubiquitous learning involving the Context Aware Intelligent system was presented. Also the Architecture for learning environment including the key idea and technical concept is being presented in this paper. Guided with these principles and with the advancement of information and communication technology the context-awareness based on Artificial intelligence for Location based Service for ubiquitous Learning was conceptualized.

가시광통신 기반 u-Society 구현을 위한 LED 조명 인프라 (LED Illumination Infrastructure for Ubiquitous Society based on the Visible Light Communication)

  • 전정우
    • 한국정보통신설비학회:학술대회논문집
    • /
    • 한국정보통신설비학회 2008년도 정보통신설비 학술대회
    • /
    • pp.273-276
    • /
    • 2008
  • This article describes a LED illumination infrastructure for ubiquitous society based on the Visible Light Communication technology. The VLC is one of the advanced communication system using "Visible Light". The VLC system has a lot of advantageous features and can be used in various places for the next future generation. So, we analyzed ubiquitous service model based on the VLC system and some applications. And we renewed discussion about LED illumination infrastructure for u-Society.

  • PDF

유비쿼터스 인터페이스 기술에 대한 고찰 (A Study on the Ubiquitous Interface Technologies)

  • 이현재;오창헌
    • 디지털융복합연구
    • /
    • 제4권1호
    • /
    • pp.31-41
    • /
    • 2006
  • This article introduces developing trends of an 'Ubiquitous Interface' as an access method for use of various network resources, such as public wireless networks and un-licensed wireless networks in ubiquitous sensor network environments, without troublesome settings or operations by users. 'Ubiquitous Interface' is a relatively wide sense meaning not only physical interface of specified device or between processors, but anything method for access USN. These 'Ubiquitous Interface' able to provide seamless services that adapt autonomously to the user's movements and changes in the state of wireless resources. Recently, strongly recommended current technologies are RFID, NFC, Multi-mode mobile terminal, UMA mobile terminal and Wearable computer as a future ubiquitous interface. These technologies are have to have flexibility and multiple physical communication channels for seamless service hand over and serve easy connection at huge USN to user. Also, they have to must have flexible software structure. Finally, through the 'Ubiquitous Interface', we will be experience of seamless communication and realize a real liberty of communication.

  • PDF

유비쿼터스 통합 커뮤니케이션 플랫폼의 VoIP 시스템 설계 (Design of VoIP System in Ubiquitous/Unified Communication Platform)

  • 최재원
    • 한국정보통신학회논문지
    • /
    • 제13권1호
    • /
    • pp.134-144
    • /
    • 2009
  • 통합 커뮤니케이션(Ubiquitous/Unified Communication) 플랫폼은 인터넷폰(VoIP), 이메일, 통합메세징, 인스턴트 메시징, 웹컨퍼런싱, 화상회의 등의 다양한 멀티미디어 통신수단을 제공한다. 본 논문에서는 통합 커뮤니케이션 플랫폼의 주요 기능과 구조를 소개하고, PSTN 전화망과의 연동으로 전화망 사용자와의 통화서비스를 지원하는 VoIP 시스템의 구현을 위 한 기능분석과 설계에 관해 연구하였다.

유비쿼터스 기반 통신의 철도구조물에 대한 재난감지용 능동형 데이터로거 시스템 연구 (A Study of Health & Disaster Monitoring Measurement using Ubiquitous Active Communication Digital Datalogger System for Railway Structures)

  • 이승원
    • 한국철도학회:학술대회논문집
    • /
    • 한국철도학회 2011년도 춘계학술대회 논문집
    • /
    • pp.470-475
    • /
    • 2011
  • The objective of this study is the developement health & disaster monitoring measurement using ubiquitous active communication digital datalogger system for monitoring measurement of railway construction sites. For the replacement of current passive data communication, ubiquitous active communication digital datalogger system is studied for the first time with in a country. Therefore data communication method and analyzing program of automatic measurement data is developed for the global positioning automatic digital datalogger system. The results of this study will be using both real time automatic monitoring measurement and health & disaster monitoring measurement of railway structures.

  • PDF

유비쿼터스 로봇 시스템 (A Ubiquitous Robot System)

  • 김종환;유지환;이강희;유범상
    • 한국정밀공학회지
    • /
    • 제21권7호
    • /
    • pp.7-14
    • /
    • 2004
  • In an upcoming ubiquitous era, humankind will live in a ubiquitous space, where everything is connected through communication network. In this ubiquitous space, a ubiquitous robot, which can be used by anyone for any service through any device and any network at anytime and anywhere in a u-space, is expected to be required to serve seamless and context-aware services to humankind. In this paper, we introduce the ubiquitous robot, and define three components of the ubiquitous robot. The first one is "SoBot" which can be connected through the network in anywhere with environment recognition function and communication ability with human. The second one is "EmBot" which is embedded into environments and mobile robots and has localization and certification function with sensor fusion. The last one is "Mobile Robot" which serves overall physical services. This paper also introduces KAIST ITRC-Intelligent Robot Research Center that pursues the implementation of the ubiquitous robot.

A Study on Application of Ubiquitous Technology for Convenient Environment in Cruise Ship

  • ;;;심준환
    • 공학교육연구
    • /
    • 제15권5호
    • /
    • pp.82-86
    • /
    • 2012
  • These days, the cruise tourist industry is one of the most dynamic and fastest growing components of the leisure industry in the world. Therefore, the cruise ship with ubiquitous technology is expected to enhance the operation efficiency of the ship. It can also provide valuable addition to the ship's service as well as high quality of life to crews and passengers. Since a large number of passengers are dwelling in cruise ship, all passengers are not easy to use ship's facilities, such as restaurants, fitness center, swimming pool and spa at anytime they want. In this paper, passenger service system in ship environment is tested in similar environment and under ship operation condition. We have proposed three applications of ubiquitous technology using Zigbee communication and LabView program.

u-Hospital을 위한 u-Healthcare System Framework 설계 (Design of Ubiquitous Healthcare System Framework for Ubiquitous Hospital)

  • 양원섭;이건명;김원재;윤석중
    • 한국지능시스템학회:학술대회논문집
    • /
    • 한국퍼지및지능시스템학회 2006년도 춘계학술대회 학술발표 논문집 제16권 제1호
    • /
    • pp.297-301
    • /
    • 2006
  • 최근 생명 연장과 삶의 질에 관한 많은 관심에 따라서 의료 부문에 있어서도 Ubiquitous 환경을 도입하는 노력이 시도되고 있다. 그 중 Ubiquitous Hospital은 여러 가지 병원 서비스 부분의 편의성을 제공하고자 분야로써 이것을 이용하여 시간과 장소의 제약 없이 각종 의료서비스와 건강관리를 제공 받을 수 있는 Ubiquitous Healthcare 서비스에 대한 관심이 증대되고 있다. 본 논문에서는 이 Ubiquitous Healthcare 서비스 제공 system 구현을 위한 framework을 제안한다. 이 framework에서는 사용자가 되는 의사와 환자에 적합한 인터페이스를 제공하고 환자에 대한 추적 관찰과 증상의 판단 및 환자 진료시의 지원 서비스를 제공한다. 또한 보험회사나 병원과 같은 외부시스템과 연계하여 필요한 데이터의 공유가 가능하도록 한다. 그리고 제안된 framework를 이용하여 전립선 환자를 위한 BPH 환자관리 시스템을 구현한다.

  • PDF

유비쿼터스 기술의 선박 적용 분야 개발 및 기초 특성 연구 (Study on Application Fields and Basic Characteristics of Ubiquitous Computing Technologies in a Ship)

  • 조성락;백부근;박범진;이동곤
    • 대한조선학회논문집
    • /
    • 제44권6호
    • /
    • pp.657-665
    • /
    • 2007
  • The object of this paper is to describe the ubiquitous computing technologies for ship, which is produced and assembled by many steel blocks. It includes the testing of a 2.4GHz wireless communications platforms and radio-frequency identification technology with the blocks disturbing the wireless communication. The power line communication that is established in a ship already is also experimented for some data transfer. Also, possible application areas of the ubiquitous computing technology to ships are discussed. At last, the test bed copied from an actual vessel was installed and data acquisition tests were established using wire and wireless communication. In this paper, we implemented some ubiquitous computing technologies in the test bed simulating a ship environment and investigated the basic characteristics of ubiquitous computing technologies.