• The Journal of the Institute of Internet, Broadcasting and Communication
• /
• v.10 no.5
• /
• pp.127-131
• /
• 2010

In this paper, we propose the novel additional data transmission technology for DQPSK-OFDM based T-DMB system using watermarking technique. The proposed algorithms which is possible that it can transmit data in indoor or shadow region and improve transmission efficiency. We certified availability of our proposed technology by using various simulation. The results of the paper can be applied to wireless multimedia digital broadcasting systems.

• Journal of Internet Computing and Services
• /
• v.8 no.4
• /
• pp.71-79
• /
• 2007

The communicative behaviors in Wireless Sensor Networks(WSNs) can be characterized by two different types: routing and broadcasting. The broadcasting is used for effective route discoveries and packet delivery. However, broadcasting shorten the network lifetime due to the energy overconsumption by redundant transmissions. In this paper, we proposed a algorithm that remove redundant forward nodes based on Dominant Pruning method using 2-hop neighbors knowledge. Simulation results show that the proposed algorithm appears superior performance in respect of the number of forward nodes and the network lifetime.

• Proceedings of the Korean Society of Broadcast Engineers Conference
• /
• 1998.06b
• /
• pp.73-78
• /
• 1998

Our platform introduced in this paper is based on DAVIC specifications which define high quality multimedia services with some extensions to provide user friendly and uniform interface to its users. We designed and implemented an integrated service platform for high quality interactive multimedia services, swithed digital broadcasting, and Internet services. The integration in terms of a service provider system, a delivery system, and a service user system is taken into account. Our research results in the development of integrated high quality interactive and digital broadcasting multimedia services with web-based common user interface and its experience will be feedback to the field trial service which will be launched from next year.

• International Journal of Internet, Broadcasting and Communication
• /
• v.5 no.1
• /
• pp.18-22
• /
• 2013

We introduce, in this paper, a novel approach of protection mechanism for data which are transmitted not only between the networked devices but also between the digital media devices. As the devices are getting more powerful and more storage capacity, they can process the encoded/encrypted data autonomously. However, all devices must know the secret key that used to encrypt data, and also use secure method to distribute that key. Moreover, there are no protection mechanisms supporting end-to-end copy protection which result in the fact that the data passed through various devices can be manipulated or captured. Therefore, we propose a RFID-based key distribution and protection mechanism to resolve these problems.

• 한국정보통신설비학회:학술대회논문집
• /
• 2005.08a
• /
• pp.338-341
• /
• 2005

Recently there are increasing needs for Internet and various kinds of contents. These traffics for various contents need more amount of data to provide high-quality information and require various QoS depending on the characteristics of contents. However, current Internet service supports BE (Best Effort) service only, therefore IntServ (Integrated Service) scheme and DiffSserv (Differentiated Service) scheme are represented to support QoS in IP layer. This paper describes new scheme that provides QoS taking into account the traffic characteristics over Mobile IPv6 network based on IEEE 802.11e by decreasing signal process time using traffic class of DiffServ and evaluates the performance through computer simulation.

• International Journal of Internet, Broadcasting and Communication
• /
• v.13 no.4
• /
• pp.143-153
• /
• 2021

Recently, by applying the 4th industrial revolution technologies such as A.I., IoT, and big data to general residential infrastructure, various application services of residential-based are provided to residents through linkage and utilization between technologies. Accordingly, smart housing system is increasing as advanced living spaces that can improve the quality of life and convenience of residents. Such a smart housing is expected to be an item that can create new demands and markets in the construction industry since it provides a new paradigm that combines construction technology and IT by combining IT technology with existing construction industry. Based on this, it is expected that it will be possible to gradually develop large-scale markets such as smart buildings and smart cities. In this paper, therefore, we propose an artificial intelligence multiplex smart housing system as an intelligent platform that can autonomously manage and control the size of places and spaces, used for various purposes based on smart housing technology by using artificial intelligence systems.

• International Journal of Internet, Broadcasting and Communication
• /
• v.14 no.3
• /
• pp.213-221
• /
• 2022

The purpose of this study is to investigate the structural relationship between media engagement, viewing immersion, viewing satisfaction, and loyalty of e-sports viewers. In order to achieve the purpose of this study, a survey was conducted on 300 college students with experience in watching e-sports in Seoul, Gyeonggi-do, and Chungnam. Data processing was done with SPSS 26 for frequency analysis, Cronbach's α analysis. Also, AMOS 13 was used for confirmatory factor analysis and structural equation model analysis. We have the following results. first, among the sub-factors of media engagement, functional engagement and communal engagement had a significant effect on viewing commitment. Second, among the sub-factors of media engagement, emotional engagement had a significant effect on viewing satisfaction. Third, it was found that viewing commitment and viewing satisfaction had a significant effect on loyalty. From the results of this study, it can be seen that the media engagement of e-sports viewers affects loyalty through viewing commitment and viewing satisfaction.

• Speech Sciences
• /
• v.15 no.4
• /
• pp.121-130
• /
• 2008

This paper proposes the way of improvement and system build-up for shop music broadcasting services provided by the Internet. Comparing the shop music broadcasting services and personal music broadcasting services, we propose the way of shop music broadcasting services customers prefer to. That is, such a function is provided that a user can control the broadcasting music lists a specialist provides according to the current circumstance of shop. This paper proposes the whole system such a service is possible and verifies the efficiency by experiments.

• The Journal of Korean Institute of Communications and Information Sciences
• /
• v.36 no.6B
• /
• pp.631-641
• /
• 2011

Digital Multimedia Broadcasting (DMB) and Internet Protocol Television (IPTV) are now in commercial service, tearing down the traditional boundaries between the telecommunications and broadcasting sectors. These latest developments also hold important implications for research projects in related areas. Both telecommunications and broadcasting being fields with a strong service orientation, market demand should be the primary consideration when selecting research and development (R&D) projects in these areas. This study presents a process for selecting converged telecommunications-broadcasting technology development projects from a demand-oriented perspective, using criteria that are based on projected future demand characteristics. Aimed at increasing the efficiency of the R&D project selection process in telecommunications and broadcasting convergence, this study can point out new directions in R&D management in this field.

• Proceedings of the Korea Contents Association Conference
• /
• 2007.11a
• /
• pp.270-273
• /
• 2007

The overlay multicast that has been recently presented as an alternative for the IP multicast has been getting much persuasion by the advancement of the network techniques to enforce routing in application-level. But, The overlay multicast is a problem of delay and the load of the traffic control. In this paper, we suggested to an effective transmission routing tree between users based on overlay multicast of Internet broadcasting Service. And we evaluated an optimal value of transmission delay about Internet broadcasting using this suggest model.