• Journal of Digital Contents Society
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• v.5 no.2
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• pp.114-120
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• 2004

This paper proposes the wireless integrated service for controlling networked appliances. Using wireless devices such as celluar phone and PDA which can communicate through Bluetooth and CDMA technology, home appliances are accessed and controlled from outside of house. The XML and the SMS message format is designed to specify controlling information for home appliances. Also the mobile agent and the message processor for networked appliances are implemented in the home gateway. In order to verify the proposed service system, a universal remote controller for cellular phone and PDA and network appliance simulator on web browser are implemented. Correct operation is verified through simulation using them.

• Proceedings of the Korean Institute of Information and Commucation Sciences Conference
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• 2012.10a
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• pp.646-648
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• 2012

In this paper, android phone information push system based on the XMPP protocol is proposed. It uses Java and eclipse development tools to create an information pushing system in android phone based on the XMPP protocol, and runs on the C/S network situation. Not only, the information can be send and receire form android phone in the PC server, but also the smack packet of the android phone is used fully by this system. Therefore, the speed of the transmission and the transfer are better than other sending sportocol in the basic XMPP protocol of the system.

• Journal of the Korea Institute of Information and Communication Engineering
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• v.17 no.3
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• pp.561-566
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• 2013

In this paper, android phone information push system based on the XMPP protocol is proposed. For this, we implement a XMPP(eXtensible Message and Presence Protocol) based instant message system in C/S network environment by using Java language and eclipse device. This system not only allows sending and receiving messages from the PC server to mobile phone client, but also enables the expansion into the smack package of an android phone. Thus, this system shown, in this paper has the better performance in transmission and transfer speed than those of the basic XMPP protocol system.

• Journal of the Korea Institute of Information and Communication Engineering
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• v.12 no.11
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• pp.2069-2076
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• 2008

In this paper, we develop an electrostatic monitoring system which is composed of an electrostatic prediction system and a warning message transmission system. The electrostatic prediction system in a factory receives the value of electrostatic charge from the electrostatic sensor and predicts the next value by using past data and sends the value to the warning message transmission system through the bluetooth communication. The warning message transmission system gets a warning signal and transmits the warning message to the worker's cellphone through a commercial SMS web by a socket program running on Windows PC in a control room. We propose electrostatic forecasting algorithms based on LSR(least square regression) using weight factors in an electrostatic prediction system. Simulation results show that the algorithm with dynamically variable weight factors is best with 64.69V standard deviation and a warning message transmitted by the warning message transmission system is displayed on cellphone after about 5 seconds.

• Proceedings of the Korea Information Processing Society Conference
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• 2011.11a
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• pp.1476-1477
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• 2011

안드로이드 기반 스마트 폰으로 자녀를 관리할 수 있는 시스템을 개발 하였다. 부모로부터 떨어져 있는 자녀에 대하여 GPS를 이용하여 현재 자녀의 위치를 확인 할 수 있다. 또한, 자녀가 자주 가는 위치에 데이터마이닝 기법을 적용하여 자녀가 자주 가는 위치의 특징점들을 찾아낸다. 그래서 현재 위치가 그곳들로부터 지속적으로 멀어질 경우 부모의 휴대폰에 진동과 함께 경고 메시지를 띄워 위험을 알리는 앱이다.

• Proceedings of the Korea Society of Design Studies Conference
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• 2004.05a
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• pp.98-99
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• 2004

• Journal of Korean Biological Nursing Science
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• v.5 no.2
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• pp.13-19
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• 2003

Purpose : The purpose of this study was to investigate the effects of the education using short messaging service(SMS) on fasting blood sugar(FBS) and diabetes adherence. Method : Forty-five diabetic patients being assessed pre and post intervention was used to assess the effectiveness of the education. Participants were requested to input the FBS and 2 hours post-prandial blood sugar everyday in http://www.biodang.com by cellular phone or wire Internet. The goal of the education was to lower FBS and keep diabetes adherence. The education was applied to the for 12 weeks. The education consisted of continuous education and reinforcement of diet, exercise, medication adjustment, as well as frequent self-monitoring of blood glucose levels. The education performed weekly. All medication adjustments were communicated to the participants' doctor. FBS and diabetes adherence were measured before and after the education. Results : The education using SMS of cellular phone had decrease FBS and increase oral medication taking, exercise, foot care, and hypoglycemia preparation adherence.

• Proceedings of the Korea Information Processing Society Conference
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• 2002.11a
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• pp.531-534
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• 2002

위치 기반 광고란 휴대폰, PDA(Personal Digital Assistant), 노트북 PC 등 위치 획득이 가능한 단말의 위치 정보를 이용하여 광고를 하는 것으로 위치 추적이 가능한 단말의 위치 정보를 활용하여 부가정보를 서비스하는 위치 기반 서비스 (LBS, Location Based Services)의 한 종류이다. 최근의 이동 통신 기술의 발달과 휴대폰, PDA 등 모바일 단말의 급속한 확산으로 인하여 LBS 는 유무선 인터넷의 응용 및 그를 이용한 부가 가치 창출에 있어 핵심적인 역할을 할 것이며, 특히 위치 기반 광고는 LBS 시장의 상당 부분을 차지할 것으로 예상되고 있다. 이러한 위치 기반 광고는 광고를 저장하고 관리하는 광고 ASP (Application Service Provider) 플랫폼에서 단말의 위치 정보를 저장 및 관리하는 LBS 플랫폼을 참조하여 위치 및 시간에 따라 광고의 대상이 되는 사용자 목록을 얻고, 해당 사용자에 대하여 단문 메시지 또는 멀티미디어 광고를 제공함으로써 이루어질 수 있다. 본 논문에서는 현재 많이 사용되고 있는 단문 메시지 서비스 (SMS, Short Message Services)를 사용하여 위치 기반 광고를 제공할 수 있는 광고 ASP 플랫폼을 설계한다. 이를 위해 광고 ASP 플랫폼이 제공하여야 하는 기능과 위치 기반 광고의 처리 흐름을 분석한다.

• Journal of Korean Home Economics Education Association
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• v.21 no.3
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• pp.29-43
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• 2009

The purposes of this study were to examine effective variables influencing on adolescents' mobile phone addiction. The subjects were the 666 middle or high school students who had their own mobile phone in Gwangju. Data were analyzed with frequency, percentage, cronbach's ${\alpha}$, mean, SD, pearson's correlation and multiple regression using SPSS/PC WIN 14.0 program. The major findings were as follows: 1. The most frequently used function of student mobile phones was text message and they used text message more than 41 times a day. Mostly they were talking to the same sex friends on the phone and the monthly charges ranged from 20,000 to 30,000 won. In general, they called to their friends after school. Their parents' attitudes toward their mobile phone using showed that the most of their parents did not care about their children's mobile phone use. The restriction of using their mobile phone at school was normal. 2. The average scores of mobile phone addiction were lower than median(3.0) and self esteem, self control, family strengths, peer conformity and school life adaptation were higher than median. 3. The adolescence's mobile phone additions were influenced by peer conformity, school life adaptation, school levels, sex and self control. And these variables explained to the adolescence's mobile phone additions about 28%.

• Journal of Digital Contents Society
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• v.12 no.4
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• pp.575-583
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• 2011

Due to the development of mobile devices and communication technology, cell phones have radically evolved from portable phones into smartphones and provided variety of services to a society. This paper presents Multi-user Musical Instrument application for smart phones based on band instruments such as piano, guitar, bass guitar, and drum. This application makes music playing from smartphone to integrative music data stream using the synchronization function of server. In addition, user can play it of smartphone efficiently by implementing a graphic user interface similar to real musical instruments.