• Title/Summary/Keyword: ITS: Intelligent Transport System

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The Design and ImplemEntation of Multi-Network Interface Switching for ITS Services (ITS 서비스를 위한 다중 네트워크 인터페이스 스위칭 설계 및 구현)

  • Ko, Jae-Jin;Choi, Ki-Ho
    • The Journal of The Korea Institute of Intelligent Transport Systems
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    • v.10 no.1
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    • pp.60-66
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    • 2011
  • Currently, ITS (Intelligent Transport System) system is supporting a variety of services to be enhanced traffic's efficiency and driver's safety as developing of information communications and network technology. High data transfer communications such as Wibro, HSPA and WAVE are used for providing ITS services, but there are some differences from specification and performance applied. So, users who are employing the communication systems to transfer data whatever they want to have been suffering from use. In this paper, it is proposed that user can use various high data transfer communication systems wherever environments they are in using adaptation of system change. Also, it is implemented performance of system which uses alternate communication scheme in mobile terminal based on embedded platform.

A Study on Vocabulary-Independent Continuous Speech Recognition System for Intelligent Home Network System (지능형 홈네트워크 시스템을 위한 가변어휘 연속음성인식시스템에 관한 연구)

  • Lee, Ho-Woong;Jeong, Hee-Suk
    • The Journal of The Korea Institute of Intelligent Transport Systems
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    • v.7 no.2
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    • pp.37-42
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    • 2008
  • In this paper, the vocabulary-independent continuous speech recognition system for speech control of intelligent home-network is presented. This study suggests a conversational scenario of continuous natural vocabulary based upon keywords for recognition on natural speech command, and a way of optimizing the recognition system by constructing a recognition system and database based upon keywords.

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A Study on Cooperative-Intelligent Transport System Attack Scenarios and their Prevention and Response Mechanisms (C-ITS 공격 시나리오와 예방 및 대응 방안 연구)

  • Jang, Yoonsuh;Lee, Dong-Seob;Lim, Dong-Ho;Ahn, So-Hee;Shin, Jeonghoon
    • The Journal of The Korea Institute of Intelligent Transport Systems
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    • v.14 no.6
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    • pp.133-140
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    • 2015
  • C-ITS is a system that uses bidirectional communication between two vehicles or infrastructures to control traffic more conveniently, and safely. If C-ITS security is not properly prepared, it can cause traffic congestions and fatal traffic accidents, and therefore can affect greatly on the driver's life. This paper proposes the prevention and response mechanisms based on the cyber attack scenarios that can be used to attack C-ITS.

Performance of Vehicle Detection Using Alamouti for ITS (ITS를 위한 Alamouti 기법을 이용한 차량 검출 성능 분석)

  • Kim, Seung-Jong;Park, In-Hwan;Kim, Jin-Young
    • The Journal of The Korea Institute of Intelligent Transport Systems
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    • v.10 no.3
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    • pp.79-84
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    • 2011
  • In this paper, we analyzed performance of vehicle detection for ITS (Intelligent Transport System) applications. We simulated the vehicle detection at Hi-Pass System is based on DSRC (Dedicated Short Range Communication). DSRC is a wireless network using ITS, including GPS (Global Positioning System) satellites in conjunction with the national transportation system. The system performance is evaluated in terms of bit error probability. In the simulation, the vehicle speed is set at 60 km/h and carrier frequency is 5.8 GHz. Wireless channel is modeled as the Rician fading channel. In the transmitter, the ASK (amplitude shift keying) modulation scheme is applied. From simulation results, we confirmed that performance of applied Alamouti scheme is better than other systems.

A Study on ITS Standardization Cooperation Service Field Study for ASEAN Countries (아세안 대상 ITS 표준화 협력 서비스분야 연구)

  • Lee, SangWoon
    • The Journal of The Korea Institute of Intelligent Transport Systems
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    • v.19 no.5
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    • pp.151-161
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    • 2020
  • In this paper, Korea's standardization capacity in the ITS field was examined, and the status of participation in ITS standardization and services of ASEAN countries, and the degree of hope for cooperation with Korea was investigated and analyzed. Korea is recognized for its international competency in the field of ITS standardization, and most ASEAN countries, excluding Singapore, are found to have insufficient participation in ITS standardization and service introduction. In addition, most ASEAN countries are strongly hoping for ITS standardization cooperation with Korea, and the preliminary establishment of the ITS system architecture as the basis for ITS standardization was derived as a project of hope for cooperation. In addition, as a service field for introducing standardization, Freight transport was suggested as a priority application service field in order to improve the efficiency of logistics transportation between ASEAN countries.

Intelligent Traffic Forecasting System using Fuzzy Logic (Fuzzy 논리를 이용한 지능형 교통 혼잡도 예측 시스템 설계)

  • 김종국;김종원;조현찬;서화일;이재협;백승철
    • Proceedings of the Korean Institute of Intelligent Systems Conference
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    • 2001.12a
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    • pp.99-102
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    • 2001
  • It has well known that the congestion of traffic and it's distribution. There are very important problems in the traffic control systems. In this paper, we will purpose an ITFS(Intelligent Traffic Forecasting System) which can determine the car classes and transport them to ITS(Intelligent Traffic control System). The system will be used the Inductive Loop Detector(ILD)and the Fuzzy logic and shown the effectiveness by the computer simulation.

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Evaluation on Effectiveness of Intelligent Transport Systems in Suwon

  • Oh, Young-Tae;Yun, Il-Soo;Lee, Hwan-Pil;Lee, Choul-Ki
    • The Journal of The Korea Institute of Intelligent Transport Systems
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    • v.10 no.2
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    • pp.55-65
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    • 2011
  • The city of Suwon has introduced various ITS services between 2001 and 2006 as an alternative to solve chronic traffic congestion in the city. After the successful implementation, there was an effort to evaluate effects from the ITS deployments. However, the effects caused from ITS implementations may be realized in many different ways. Therefore, this research effort was aimed at evaluating the effectiveness of ITS implements through the first and second phases in Suwon using reasonable and scientific methods. Based on results from the analysis of variables presenting traffic condition, surveys and economic evaluation, the implementation of ITS services in Suwon can be concluded successful. However, there is a need for efforts to maintain the effects produced from the successful introduction of ITS services through continuous upgrading the systems, intensive maintenance, and efficient operations.

Study on the Conformance Testing of Data Exchange between Transport Information Center and Terminal Equipment (교통정보센터와 단말기간 데이터교환 기술기준 적합성 시험에 관한 연구)

  • Lee, Sang-Hyun;Kim, Gyeong-Seok
    • The Journal of The Korea Institute of Intelligent Transport Systems
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    • v.7 no.5
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    • pp.147-158
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    • 2008
  • Recently, Intelligent Transportation System (ITS) has been actively developed and built since the Transportation System Efficiency Promotion Act was enacted. However, since mutual connection among transportation information systems was not considered, the integration of transportation information services did not occur. Accordingly, the Ministry of Land Transport and Maritime Affairs established and announced the technical standard on ITS. In this study, the conformance testing of the transportation information and communication system interface standard on data exchange between the Transportation Information Center and terminals was researched The test items were categorized as data request tests and data providing tests by analyzing the communication procedures specified in the standard. A detail testing scenario was created for each item. The test assessment was established based on the conformance of data exchange procedures and the accuracy of data packet messages. Under the established technical standard, the number of times that tests should be performed was thought set to 30 and the success rate was set to 95%. The purpose of this study is to help the ITS of Korea perform the integrated management of transportation information by researching methods for conformance testing on the technical standard on ITS.

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Required Video Analytics and Event Processing Scenario at Large Scale Urban Transit Surveillance System (도시철도 종합감시시스템에서 요구되는 객체인식 기능 및 시나리오)

  • Park, Kwang-Young;Park, Goo-Man
    • The Journal of The Korea Institute of Intelligent Transport Systems
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    • v.11 no.3
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    • pp.63-69
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    • 2012
  • In this paper, we introduced design of intelligent surveillance camera system and typical event processing scenario for urban transit. To analyze video, we studied events that frequently occur in surveillance camera system. Event processing scenario is designed for seven representative situations(designated area intrusion, object abandon, object removal in designated area, object tracking, loitering and congestion measurement) in urban transit. Our system is optimized for low hardware complexity, real time processing and scenario dependent solution.