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http://dx.doi.org/10.5909/JEB.2011.16.5.834

Transmission Method and Simulator Development with Channel bonding for a Mass Broadcasting Service in HFC Networks  

Shin, Hyun-Chul (Division of Electrical and Computer Engineering, Ajou University)
Lee, Dong-Yul (Division of Electrical and Computer Engineering, Ajou University)
You, Woong-Shik (Digital CATV System Research Team, ETRI)
Choi, Dong-Joon (Digital CATV System Research Team, ETRI)
Lee, Chae-Woo (Division of Electrical and Computer Engineering, Ajou University)
Publication Information
Journal of Broadcast Engineering / v.16, no.5, 2011 , pp. 834-845 More about this Journal
Abstract
Massive broadcasting contents such as UHD(Ultra High Definition) TV which requires multi-channel capacity for transmission has been introduced in recent years. A transmission scheme with channel bonding has been considered for transmission of massive broadcasting contents. In HFC(Hybrid Fiber Coaxial) networks, DOCSIS 3.0(Data Over Cable Service Interface Specification 3.0) has already applied channel bonding schemes for up/downstream of data service. A method unlike DOCSIS 3.0 is required to introduce a channel bonding scheme in the broadcasting service having unidirectional transmission with a downstream. Since a massive broadcasting content requires several channels for transmission, VBR(Variable Bit Rate) transmission has been emerging for the bandwidth efficiency. In addition, research on channel allocation and resource scheduling is required to guarantee QoS(Quality of Service) for the broadcasting service based on VBR. In this paper, we propose a transmission method for mass broadcasting service in HFC network and show the UHD transmission simulator developed to evaluate the performance. In order to evaluate the performance, we define various scenarios. Using the simulator, we assess the possibility of channel bonding and VBR transmission for UHD broadcasting system to provide mass broadcasting service efficiently. The developed simulator is expected to contribute to the efficient transmission system development of mass broadcasting service.
Keywords
UHDTV; Channel Bonding; HFC; CATV; Broadcasting;
Citations & Related Records
Times Cited By KSCI : 5  (Citation Analysis)
연도 인용수 순위
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