• Journal of the Korea Society of Computer and Information
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• v.19 no.12
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• pp.247-255
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• 2014

This study supplements the existing bus information system's weakness which is a text-based system, transmits GUI based user request contents, design and implements the bus information system using smart-phone GPS. The existing bus information system had to install the terminals on the bus and take enormous expenses on maintenance with setting up the direction board on each bus station. The proposed system provides bus route and user location using the smart-phone map screen, finds the nearest bus station, indicates the bus route on map screen, applies our algorithm which increases accuracy of the bus arriving time, and provides route construction of the inner-cycle bus. The accuracy of the estimated bus arriving time has increased to about 88.71% which is 22.71% more than the existing system whose accuracy is 67% and improved into GUI form that the existing system was on text and table UI. Consequently, the upgraded bus information system uses the smart-phone GPS to supplement the existing bus information system and satisfies different requests of users.

• Transportation Technology and Policy
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• v.5 no.1
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• pp.191-206
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• 2008

• 소프트웨어공모대전
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• s.11
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• pp.300-312
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• 2006

• The Magazine of Kiice
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• v.16 no.1
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• pp.31-37
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• 2015

• Journal of Korean Society for Geospatial Information Science
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• v.20 no.1
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• pp.33-41
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• 2012

BIS is an arrival guidance system which is able to supply passengers with bus service condition via Kiosks at a bus stop, internet and mobile service through pinpointing bus location in real time. It is very significant to improve the quality of traffic information by quality control of GIS-based bus network so as to maintain navigational information and to implement reliable BIS. Therefore this study aims to build criteria to quantitatively evaluate data quality of the product in accordance with the process in bus network data and to suggest guideline of quality control. To achieve this, we have categorized geometric and logical errors occurring during constructing bus network database by giving a specific case study on TAGO and set up sectional guideline and procedures to examine database for systematic and coherent quality control management. Proceeding from what has been said above, the outcome of our research leads to quality guarantee for objective and reliable bus network database and is fully expected to bring benefit of providing a more accurate public transportation information and improving reliability of BIS through preventing a variety of errors in system operation in advance.

• The Journal of the Institute of Internet, Broadcasting and Communication
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• v.16 no.6
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• pp.211-215
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• 2016

In this paper, we utilize a service provided by the existing bus information system. To improve the limitations of the bus information system the information provided to the passenger using the bus. By applying the IoT sensor network system. congestion information of the bus provided to customer. Provides information in addition to the existing bus congestion information to passengers wishing to use public transport from the smartphone app with an existing information system. The bus congestion information in addition to the existing information to passengers who want to use public transport provided in the existing information system and smartphone apps. Prevent accidents that might occur due to congestion in the bus, efficient and convenient way to propose an improved bus information system for public transport. Developed a prototype system using the IOT sensor network verified the proposed method.

• Journal of the Korea Society of Computer and Information
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• v.25 no.8
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• pp.55-63
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• 2020

Recently, people have come to enjoy using movies and music applications, such as YouTube, Netflix, and Watcha Play, on their smart devices while riding public transportation. However, they sometimes miss their destination stations because of these activities. Therefore, in this paper, we propose a disembarking notification system for public city buses using smart devices and high frequencies generated via the buses' speakers. The high frequencies are generated by the public buses' station information broadcasters. Smart devices then analyze the high-frequency signals with their inner microphones, and the proposed application displays a disembarking notification to the user when the user's destination or stop-over station's signal is the same. To evaluate this system's performance, we tested 1,000 real-time disembarking notifications, and the test results showed 98.9% accuracy. Moreover, we compared these results to those using only OpenAPI, and our proposed system featured far better outcomes. Thus, this proposed notification system can prove a useful technology for many people who often use public city buses, as it can notify specific users of their destination stations. Furthermore, this system will become innovative technology for global public transportation by informing users of their desired stations using speakers.

• Journal of the Korean Society of Industry Convergence
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• v.10 no.4
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• pp.241-248
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• 2007

It is recently trend that local government which introduce the BIS is increasing steadily. Communication is inevitably necessary to offer a data of a collected bus position to transportation center and supply construed information. Until now, most BIS connection research is actively in data of collecting, processing, offer but Research is Relatively insufficient on communication mode to connect it. Therefore, this study is achieving applicable communication mode on BIS of present common use inning that communication mode. Study resulting, characteristic of BIS communication mode is analyzed that send-receive of short packet data happens frequently and It is inevitably necessary to synthetically analyze economical side, authoritativeness side of communication, introducing communication mode.

• The Journal of the Institute of Internet, Broadcasting and Communication
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• v.22 no.1
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• pp.51-58
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• 2022

This paper proposes new measures to aid the uses of pubic transport buses by visually impaired people. Many visually impaired people have difficulty using public buses, but current guidance systems and braille blocks are not useful enough, according to a national survey(2017). In this paper, we develop a system with three functions that help to increase the bus accessibility and mobility of visually impaired people: (1)bus reservation using smart phone applications, (2)arrival notification, and (3)wireless bus stop button using Beacon. Experiments have confirmed that our system supports bus reservation, boarding and getting off the bus efficiently.

• Electronics and Telecommunications Trends
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• v.29 no.3
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• pp.66-73
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• 2014

메타버스(metaverse) 개념을 전시공간 구축에 활용한다는 것은 매우 흥미롭고 의미 있는 일이다. 우선 메타버스에는 물리적 전시공간에 담긴 모든 콘텐츠를 담아 낼 수 있다. 물리적 공간의 한계를 넘어 얼마든지 콘텐츠를 담아낼 수 있을 뿐만 아니라 콘텐츠 형태와 구성방식도 전시목적에 따라 얼마든지 자유롭게 구축할 수 있고, 물리적 전시공간 내 매체시스템의 작동에 의해 원하는 사용자에게 콘텐츠로 제공된다. 메타버스 개념의 활용은 전시공간을 풍성하고 스마트하게 하는데 기여한다. 본고에서는 스마트전시공간의 개념과 구축을 위한 기술적 요소에 대해 알아보고, 메타버스의 활용이 전시공간의 스마트화에 어떻게 기능하는가에 대해서 살펴보고, 현재 진행 중에 있는 메타버스 개념 활용 과제의 내용과 의미를 찾아 이 후 과제 수행 방향을 바르게 하고자 한다.