• Journal of Korea Game Society
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• v.7 no.2
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• pp.101-112
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• 2007

Along with the development of mobile technology, mobile game has undergone a change from downloadable game to network game, where a large number of users connect to server and play real-time game with a mobile phone. In order to develop these mobile network games economically, a proper, suitable game engine is needed. This study proposes the result of design and implementation of RWMMO-GE(Realtime Wireless Massively Multiplayer Online RPG Game Engine) that is used to develop a mobile network game. The structure of RWMMO-GE, which is the research result of this study, consists of major components such as Network/Client Module, Object Module, Map Tool, Script Editor, and Character Editor. The characteristics of the multiplayer mobile game developed by this engine is that a large number of players can play real-time game in a single map, which implies a possibility of a new business model in this area. This research is a result of the RWMMO-GE supported by 2006 IT Excellent Technology Support Project(No:A1300-0601-0125) of IITA(Institute Information Technology Advancement).

• Digital Contents
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• no.9 s.160
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• pp.94-95
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• 2006

직장인들의 휴가와 학생들의 방학으로 활기찬 8월 한달이었다. 이번 조사기간(2006년 7월28일~ 2006년 8월27일)은 전월 같은 기간에 비해 전체 게임사용량이 약11%정도 증가했다. 이렇게 큰폭의 상승이 있었던데는 방학과 휴가시즌이 들어 있었던데다가 광복절을 끼고 연휴도 있었기 때문으로 분석된다. 장르별 활약상을 살펴보면<스페셜포스>, 그뒤를 바짝쫓는<서든어택> 등으로 대변되는 FPS가 국민장르라고할 만큼 변함없이 큰인기를 끌었다. RPG 장르에서는<리니지>, <리니지2> 그리고<월드오브워크래프트>가 치열하게 순위바꾸기를 하고 있는 양상이 지속되었다.

• Digital Contents
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• no.7 s.134
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• pp.46-51
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• 2004

국내 디지털콘텐츠 시장에서 가장 활발한 움직임을 보이고 있는 분야가 온라인게임이라는 데는 이론의 여지가 없다. 이미 150여개의 온라인게임들이 상용서비스 또는 시범서비스를 제공하고 있고, 하루가 다르게 새로운 소식들이 전해지고 있다. 실제로 지난해 국내 온라인게임 시장은 연간 6,000억원 규모를 넘어선 것으로 분석되고 있다. 국내 온라인게임 산업이 이처럼 빠르게 성장하게 된 요인으로는 엔씨소프트와 웹젠이라는 두 걸출한 기업이 있었기 때문임을 부인할 수 없다. 엔씨소프트는 지난 1998년‘리니지’를 선보이면서 온라인게임 시장을 활짝 열었고, 웹젠은 2001년3D RPG ‘뮤’를 출시, 3D 온라인게임 시대를 이끌었다. 국내시장을 뛰어 넘어 세계시장을 노리는 두 기업, 엔씨소프트와 웹젠의 주요현황 및 경쟁력, 앞으로의 전략을 살펴봤다.

• Journal of Korea Game Society
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• v.7 no.1
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• pp.3-10
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• 2007

The maps in the world of the role playing games provide not only areas for motions and actions of player characters, but also worlds of totally included monsters and NPC(Non Player Character). However, the design of maps and monsters in them could not be tested for their balances until the games had been developed quite a bit. So they need additional expense of extension period of developments. In this paper, we have designed and developed a map simulator to expect the popularities of the maps in the early stage of the game planning in order to prevent inefficient concentration of users on some maps by expecting the popularities of the maps in the early stage of game planning and by setting the parameters of monster arrangements in the map.

• Proceedings of the KSME Conference
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• 2008.11b
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• pp.2144-2148
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• 2008

Kerosene-driven solid oxide fuel cell (SOFC) system with reformer, desulfurizer and after-burner was mainly developed for this study. Originally the system was developed for 1kW class SOFC system for residential power generation (RPG) application. As a preliminary study of 1kW class SOFC system operation, a short stack was applied to the system. The short stack consists of 7 cells of $10cm{\times}10cm$ area and was operated at $720^{\circ}C$. The effect of anode inlet gas composition to stack performance was investigated. Firstly, I-V characteristics of SOFC with different fuel of kerosene and hydrogen were studied. Secondly $CH_4$ internal reforming was performed at various anode inlet gas compositions of $H_2$, $CH_4$ and $H_2O$. Through these experiments the effects of each anode inlet gas component to stack performance were analyzed and the significant operating parameters were iscussed.

• Journal of Internet Computing and Services
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• v.21 no.1
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• pp.137-146
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• 2020

VR(Virtual Reality), which has drawn attention as a major area in ICT, is currently being used in various fields, including medical care, movies and architecture. Although VR technology is used in various fields, contents are mainly developed by creators where needs of users are easily left out of consideration leading to failure in forming a consensus between UI(User Interface) and UX(user experience). To identify the consumer preference and attribute level of VR game content, which is responsible for the largest proportion of VR contents, this study was designed to examine the consumers' preference properties of VR game contents through a Conjoint Analysis and derive the relative importance and weightings of each group. The study collected 166 questionnaires over a total of three months from May to July 2019, 150 of which were completed (90.4%). Statistic analysis was conducted using SPSS Ver. 25.0. The results of the study showed that the genre of the game (42.6%), number of players (24.0%), price for payment (20.3%) and game planning (13.1%) were important attributes in choosing VR games. The optimal mix of attributes was derived with new games, RPGs, multi-play and medium price (22,000 KRW). Before mentioning technology in the expectations of users who use VR game content, which is the most preferred among VR contents, this study recognized the need to have a fun and new experience through VR game content. Therefore, it is expected that this will serve as a reference for consumer behavior of VR game contents and research on VR game contents development.

• The Journal of the Acoustical Society of Korea
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• v.26 no.7
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• pp.343-352
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• 2007

The present study aims to investigate the design standard for acoustic criteria of Korean traditional music which could be used for the design of Korean traditional music halls. In order to do this, subjective listening tests were undertaken to musicians using auralized sounds which were convolved with the impulse response of traditional instruments recorded in an anechoic chamber. 94 pairs of sound were made which have different value of acoustic parameters including RT, BR, Brilliance, G, C80, ITDG, IACC. A paired comparison method(PCM) was used to analyze the results from the subjective listening tests. The results show that the preference of acoustic criteria for the Korean traditional music is far different from those of western music. As a result, specific range of acoustic criteria were suggested for the appropriate acoustic conditions of Korean traditional music. Also, a guideline of the acoustic design of halls for performing the Korean traditional music was suggested which could be used as a basic reference in the future works.