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http://dx.doi.org/10.7840/kics.2016.41.3.359

Implementation of Switched Digital Video Using Convergence Transmission of Broadcasting and Communication on Cable TV Broadcasting Network  

Jung, Joon-Young (ETRI, Department of Broadcasting System Research)
Cho, Yong-Sung (ETRI, Department of Broadcasting System Research)
Choi, Dong-Joon (ETRI, Department of Broadcasting System Research)
Hur, Namho (ETRI, Department of Broadcasting System Research)
Publication Information
The Journal of Korean Institute of Communications and Information Sciences / v.41, no.3, 2016 , pp. 359-364 More about this Journal
Abstract
As cable TV networks have a media feature that is a broadband wire network, they can provide not only TV broadcasting services but also communication services. Accordingly, the cable TV network is mentioned as the optimal network for convergence of broadcasting and communication services. Recently, Available frequencies of the cable TV network have become insufficient as enhancement of video quality, increment of VoD service, and growth of high-speed internet service. This paper presents a new implementation method of switched digital video (SDV) technology that is introduced for obtaining additional frequency band. In the SDV system, only TV channels requested from viewer are sent and non-requested channels are dropped. The presented SDV uses a sharing method of TV broadcasting and communication service in a same frequency band. This method shows increase of spectrum efficient from switching of TV service channels without building a complex system.
Keywords
SDV; Channel Switching; Cable TV; DOCSIS; Convergence;
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