• Title, Summary, Keyword: data broadcasting

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Development of Interactive Data Broadcasting System Compliant with ATSC Standards

  • Jeong, Jong-Myeon;Lee, Yong-Ju;Park, Min-Sik;Choi, Ji-Hoon;Choi, Jin-Soo;Kim, Jin-Woong
    • ETRI Journal
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    • v.26 no.2
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    • pp.149-160
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    • 2004
  • In this paper, we present an interactive data broadcasting system compliant with the Advanced Television Systems Committee (ATSC) standards. The proposed system provides users not only with various data broadcasting services but also remote interactive services. For various data broadcasting services, we have adopted a synchronized data injector that calculates the transmission time of synchronized data accurately and multiplexes synchronized data with the data of an MPEG-2 audio-visual program according to the calculated transmission time. To support remote interactive services, we designed and implemented a return channel server connected on a bi-directional interaction channel. Test results show that the proposed system provides both an asynchronous and synchronized data broadcasting service and remote interactive service appropriately.

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Design and Implementation of a Simulation Framework for Wireless Data Broadcasting based on Data ID Space Partition

  • Im, Seokjin
    • International journal of advanced smart convergence
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    • v.7 no.4
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    • pp.10-18
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    • 2018
  • For the information services supporting requests of data items from a great number of mobile clients, wireless data broadcasting is an effective way because it can accommodate any number of clients. In the wireless data broadcasting, various air indexing schemes and data scheduling schemes have been developed in order to enable the clients to access their desired data items efficiently. The broadcasting system needs a method to simulate newly designed air indexing and scheduling schemes of the system, and to evaluate the performance parameters of the schemes. In this paper, we design an expandable and efficient simulation framework for the wireless data broadcasting based on the partition of data ID space. The framework can adopt regular and irregular space partition and evaluate various performance parameters of the broadcasting system. We implement a testbed of the broadcasting system using the framework, that adopts IIP, GDI and EXP as its air indexing schemes. We simulate the system using the testbed and evaluate the performance parameters of the system. Thus, we show the efficiency and expandability of the designed and implemented framework.

Design of a Carousel Manager for Data Broadcasting Services (양방향 데이터방송 서비스를 위한 캐러셀 관리자 설계)

  • Kang Min-Goo
    • The Journal of the Korea Contents Association
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    • v.5 no.5
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    • pp.78-84
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    • 2005
  • Various kinds of data broadcasting services can be offered using a return-channel in digital broadcasting TV compared to analog services. In these data broadcasting environments, several data(associated with TV broadcasting programs, or not) are provided to the TV audiences except for audio/video broadcasting data. In this paper, a structure of data manager for data/object carousel, based on data broadcasting protocols, was proposed for data broadcasting services using a return-channel, and were supported to the production technologies of DTV contents. These contents application techniques for DTV will be implemented with this data manager in MPEG2-TS data broadcasts using PID(Packet ID).

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Design of PSIP converter for data broadcasting service in the interoperable network of terrestrial and cable

  • Choi Ji Hoon;Lee Yong Ju;Park Min Sik;Choi Jin Soo;Hong Jin Woo
    • Proceedings of the IEEK Conference
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    • pp.562-566
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    • 2004
  • In this paper, we propose a method for constructing terrestrial/cable PSIP converting system, so-called a PSIP converter, which is converting terrestrial PSIP into cable PSIP for a data broadcasting service in the interoperable network of terrestrial and cable, and define an interface between the PSIP converter and the OOB SI generator by using PMCP messages compliant to ATSC T3/S1. The exiting PSIP converter just converts terrestrial PSIP into cable PSIP compliant to ATSC and OCAP standard and transmits by a MPEG-2 TS format. That is to say, it is not for the digital data broadcasting but for the digital broadcasting. Say in other word, the proposed PSIP converter is designed to convert and transmit PSIP including DET information which is necessary data event information for data broadcasting service. In addition, the PSIP converter can support various types of PSIP information to the OOB SI generator by using PMCP messages defined by a hierarchical structure as per each channel, audio/video event, data event and so on.

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A Data Broadcasting Service Design Guideline based on the Survey on Viewer's Modality of Using Data Broadcasting Services (데이터방송 서비스 이용행태에 대한 설문조사를 기반으로 한 데이터방송 서비스 기획 가이드라인)

  • Ko, Kwangil
    • Journal of Korea Game Society
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    • v.12 no.6
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    • pp.25-32
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    • 2012
  • Due to the development of the digital technology, the digital broadcasting is changing to a multi-entertainment platform that can operate data (broadcasting) services (such as games, weather information, and stock trading services) as well as traditional broadcasting contents. Most of the data services, however, failed to get satisfactory results because of the inconvenience in operating the services using a TV remote controller and the failure of gaining the viewer's interests in the competition with the broadcasting contents. The paper introduces a survey on the viewer's modality of using a data service and, based on the survey result, proposes a design guideline that makes a data service minimally interrupt a viewer watching a broadcasting content.

A Study on Personalized Data Broadcasting Service using TV-Anytime Metadata (TV-Anytime 메타데이터를 이용한 맞춤형 데이터 방송 서비스에 관한 연구)

  • Kim Yong Ho;Lee Han-kyu;Choi Jin Soo;Hong Jin Woo
    • The KIPS Transactions:PartB
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    • v.12B no.6
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    • pp.655-660
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    • 2005
  • The number of broadcasting channels and contents are increasing with the arrival of digital broadcast and various broadcasting medium. However, there is a limit on searching of the program by using conventional program guide. Therefore, personalized broadcasting service to provide the environment, that user is able to consume his/her customized broadcasting contents at anytime, is standardized by TV-Anytime Forum. Especially. the structure of data broadcasting contents have different from that of AV contents. Therefore, it is necessary to new structure of the metadata for personalized data broadcasting service and new mechanism for data flow of broadcasting system. In this paper, we introduce a method for personalized data broadcasting service using TV-Anytime metadata.

A Study about Data Broadcasting Sub-Content Architecture Model in Bi-directional Broadcasting Environment (양방향 데이터 방송 환경에서의 부가 영상 콘텐츠 제작 모델 연구)

  • Oh, Jung-Min;Moon, Nam-Mee
    • Journal of The Institute of Information and Telecommunication Facilities Engineering
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    • v.8 no.2
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    • pp.57-63
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    • 2009
  • The demand of digital broadcasting via networks has increased slowly in spite of the development of bidirectional broadcasting service technology and the effort of revitalization are actively performed nowadays. There are some reasons that the content differentiation is necessary. First, bidirectional digital broadcasting has no special content that attracts public attention. Second, bidirectional video content such as UCC is expected to revitalize economy due to simplification of authoring tool and user's desire to communicate interactively. So this paper proposes the data broadcasting sub-content architecture model by scenario using original data broadcasting content. At the same time, we design the content object metadata schema from the analysis of original data broadcasting content. It is restricted by 25 metadata in order to make it more smoothly working contents under the ubiquitous environment. This proposal is expected to affect the revitalization of content development and find out new sub-content model by rework original content.

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Valuing the DMB Data Broadcasting Services: An Application of Double-Bounded Dichotomous Choice Contingent Valuation Method (이중경계 양분선택형 CVM을 이용한 DMB 데이터방송의 가치평가)

  • Kim, Dong-Ju;Shin, Seung-Do
    • Journal of Technology Innovation
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    • v.15 no.2
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    • pp.153-176
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    • 2007
  • DMB data broadcasting has recently come into the spotlight as a platform for a new business opportunity and an application of various contents. This paper estimates the willingness to pay for the DMB data broadcasting services and explains the demand characteristics for TPEG, BIFS and BWS services, using the Double-bounded dichotomous choice Contingent Valuation Method. Consumers are willing to pay 2,039 Korean won for TPEG service and 1,612 Korean won for BIFS and BWS services per month, which corresponds to the market size 87.6 billion Korean won for TPEG and 195.2 billion Korean won for BWS and BIFS a year respectively. It is also found that the more consumers show usage intentions, have experiences in the similar services, and know of the DMB data broadcasting services, the more they are likely to pay for the DMB data broadcasting services.

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A Study on the Industrial Condition, the Legal and Administrative Problems of Data Broadcasting Services (국내 데이터방송서비스 산업현황 분석 및 법적.제도적 쟁점에 관한 연구)

  • Kim, Kwan-Kyu;Lee, Si-Hoon
    • Korean journal of communication and information
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    • v.21
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    • pp.35-62
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    • 2003
  • This study is conducted to achieve following two purposes. First, this study investigates domestic conditions and problems of data broadcasting industry. Second, this study suggests the improving way of the legal and administrative systems in order to promote domestic data broadcasting industry. Survey was conducted with 16 companies and a few business men for gaining data of general condition and analyzing problems about domestic data broadcasting industry. The results are as follow: first, domestic industry was suffering from the lack of man power, finance, and the delay of data broadcasting service schedule. Second, respondents argued there was no the legal basis and the systematic regulation under the current digital broadcasting policy of government. To resolve those problems, this paper proposed the making laws preparing for the fusion service of communication and broadcasting, systematic assistance of government, the way of technology development and technical standardization, and the way of constructing infrastructure and cultivating man power.

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Design of Middleware for Interactive Data Services in the Terrestrial DMB

  • Lee, Gwang-Soon;Yang, Kyu-Tae;Kim, Kwang-Yong;Hahm, Young-Kwon;Ahn, Chung-Hyun;Lee, Soo-In
    • ETRI Journal
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    • v.28 no.5
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    • pp.652-655
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    • 2006
  • In this letter, we introduce a new middleware architecture and its generic application programming interface (API) (called the T-DMB MATE API) for terrestrial digital multimedia broadcasting (T-DMB). Middleware in T-DMB enables inter-operable applications to be downloaded from both broadcast and telecommunication networks in advance and to be executed in any type of T-DMB receiver. The middleware we introduce here is especially designed to support a proposed method for application provisions applied to a concept of application module appropriate to the service environment of T-DMB. We also verify the designed T-DMB MATE API through the implementation of the middleware and its application in a PC-based receiver.

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