• The Journal of the Institute of Internet, Broadcasting and Communication
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• v.11 no.1
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• pp.67-73
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• 2011

With the rapid growth of recent smart phone technology, the interests for the design of online game in mobile computing environment are highly focussed on with great attention. Smart phone as a mobile terminal device, however, has many restrictions for implementing online mobile game since the limitation of relatively low performance of a processor, low resolution of GUI, small memory spaces, and short battery power. Therefore, most of games are very restricted on online and multi-play functions. In this paper, we design and implement mobile online game app in component based smart phone environment in order to take over these restrictions in mobile environment. Especially, the implemented mobile game is able to play online game among Wi-Fi based game server and another smart phone.

• Proceedings of the Korean Society of Computer Information Conference
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• 2017.07a
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• pp.60-61
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• 2017

모바일 게임 시장은 매년 시장 규모가 확대되고 있으며, 대중의 관심 또한 꾸준히 높아지고 있다. 모바일 게임은 대체로 조작이 간단하고 장소에 따른 제약이 없기 때문에 접근하기 쉽다는 특징을 가지고 있으며 이 때문에 앞으로도 모바일 게임 시장의 전망은 밝다고 할 수 있다. 본 논문에서는 모바일 게임에서 가장 성공한 장르 중 하나인 소셜 네트워크 게임 중에서도 RTS 장르의 게임을 기획, 설계 구현한 것에 대해 다루었다.

• Journal of the Korea Institute of Information and Communication Engineering
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• v.13 no.4
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• pp.828-834
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• 2009

To get a better profit, standalone mobile game market shifts network-based mobile game. Currently, most of the game platform are separated into mobile to mobile, desktop to desktop, and console to console. Multi platform network game has a diverse problems including consistency control, object management technique, and bandwidth inconsistency. n this paper, we will introduce a multi-platform arcade game "Push-Push", which is played on desktop to mobile environment. The game guarantees realtime play between heterogeneous machine users and game item sharing between two platforms. e will focus n the issues of the 3rd generation multi platform games and propose some techniques or solving these problems. Our server database is implemented on MS SQL database, also the desktop programming tool is Visual Basic, and WIPI(Wireless Internet Platform or Interoperability) as a mobile platform.

• The Journal of Korean Institute of Communications and Information Sciences
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• v.32 no.3B
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• pp.168-174
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• 2007

All of users who connect to mobile game want to play seamless real-time game without any loads on game servers. However, as for existing methods, it is not available to effectively distribute server loads. Therefore, in this paper, we design and implement an uniform variance-based load balancer for distributing loads of game servers for wireless online games by suitable load balancing methods. With this methods, we can deal with dynamically increasing game servers as the information about load balancing of specific period is applied to the administrator.

• The KIPS Transactions:PartB
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• v.12B no.2 s.98
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• pp.137-142
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• 2005

Since wireless communication cost is relatively expensive, the mobile games using cellular phones or PDAs are mostly played after being downloaded unlike more updated types of phone-to-phone or online games. In particular, the upbringing games, in which garners foster virtual companion animals or vegetables as their avata, have been spotlighted. It is essential to supply variety of items for upbringing avatas. However, due to diverse tastes for avatas and limited storage of mobile terminals, game manias must download their desired items from homepages. In addition, game developers must inform users through SMS messages whenever a new item is created. To do so, they must link WEB server and WAP server to Call Back URL or ARS. This paper proposed a linkage method suitable for JAVA-based mobile phone operating system. The proposed method will consequently increase life cycle of a game and reinforce profitability.

• KIPS Transactions on Computer and Communication Systems
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• v.8 no.7
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• pp.167-176
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• 2019

Recently, as the types of services that can be enjoyed in mobile telecommunication networks such as social networks and video streaming are increasing, mobile users(MUs) can access mobile contents easily by consuming mobile data. However, under a mobile telecommunication environment, MUs have to pay a high data fee to a network service provider(SP) in order to enjoy contents. The 'data sponsor' technique, introduced as a way to solve this problem, has attracted attention as a breakthrough method for enhancing contents accessibility of MUs. In this paper, we propose an algorithm that determines the optimal discount rate through the Stackelberg game in the data sponsor environment. We also propose an algorithm to design edge caching, which caches highly popular content for MUs on edge server, through many-to-many matching game. Simulation results clearly indicate that the profit for CP's content consumption is improved by about 6~11%, and the profit of CP according to the ratio of edge caching is improved by about 12% than the other existing schemes under data sponsor environment.

• Journal of the Korea Institute of Information Security & Cryptology
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• v.27 no.5
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• pp.1069-1076
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• 2017

Recently $Pok\acute{e}mon$ GO implements an online game with location-based real time augmented reality on mobile. The correct play of this game should be based on collecting the $Pok\acute{e}mon$ that appears as the user moves around by foot, but as the popularity increases, it appears an abuse to play easily. Many people have used an application that provides a mock location service such as Fake GPS, and these applications can be judged to be cheating in online games because they can play games in the house without moving. Detection of such cheating from a client point of view (mobile device) can consume a large amount of resources, which can reduce the speed of the game. It is difficult for developers to apply detection methods that negatively affect game usage and user's satisfaction. Therefore, in this paper, we propose a method to detect users abusing mock location service in online game by route analysis using GPS location record from the server point of view.

• ETRI Journal
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• v.31 no.1
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• pp.10-20
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• 2009

In this paper, a video broadcasting system between a home-server-type device and a mobile device is proposed. The home-server-type device can automatically extract semantic information from video contents, such as news, a soccer match, and a baseball game. The indexing results are utilized to convert the original video contents to a digested or arranged format. From the mobile device, a user can make recording requests to the home-server-type devices and can then watch and navigate recorded video contents in a digested form. The novelty of this study is the actual implementation of the proposed system by combining the actual IT environment that is available with indexing algorithms. The implementation of the system is demonstrated along with experimental results of the automatic video indexing algorithms. The overall performance of the developed system is compared with existing state-of-the-art personal video recording products.

• Proceedings of the Korea Information Processing Society Conference
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• 2003.05b
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• pp.1071-1074
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• 2003

Now internet is very popular. Many company services various contents in Web. One of the best way for internet community is network game service for internet member. There are some company to service high quality network game for gathering members. Those company make success for getting fee from their member. Global on-line game market is small but stability growing. Thus Microsoft invest on line game. On this paper, one of a java network turn game system called by "Hoola" is designed and implemented. This Application consist of Client/Server and Database module and multi-tier Architecture, because of easily translation to PDA or mobile phone.

• Journal of the Korea Institute of Information and Communication Engineering
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• v.13 no.5
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• pp.1003-1007
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• 2009

In this paper, we developed a mobile RPG System based on real time. This system includes game engine based on real time, system library, item trade server based on network, and client tools. Also, to make inroads into USA market, we are using smart phone platform based on Microsoft Windows CE.