Abstract
This paper proposes a live broadcast traffic model for an internet protocol (IP)-based terrestrial digital broadcasting system to transmit dynamic adaptive streaming over hypertext transfer protocol (DASH) media. The IP-based terrestrial digital broadcasting systems such as Advanced Television Systems Committee (ATSC) 3.0 transmit media content (e.g., full high definition and ultra-high definition) in units of DASH segment files. Although the DASH segment file has the same quality and playback time, the size of each DASH segment file can vary according to the media composition. The transmission resource of the terrestrial broadcasting system has increased the transmission capacity of broadcasting with new technologies. However, the transmission capacity is still limited and fixed compared to wired broadcasting networks. Therefore, a problem occurs with the efficiency of broadcasting resources and transmission delay when transmitting a variable segment file to a terrestrial digital broadcasting network. In this paper, the resource efficiency and transmission delay results that occur when transmitting the actual DASH segment file are simulated through the live broadcast traffic model, and the maximum delay time that a viewer accessing the terrestrial broadcast can experience is presented.
Highlights
The major digital TV standards are Advanced Television Systems Committee (ATSC) [1], Digital Video Broadcasting (DVB) [2], Integrated Services Digital Broadcasting (ISDB) [3], Digital Terrestrial Multimedia Broadcast (DTMB) [4], and so on
This paper focuses on the uniform protocol stack and ultra-high definition television (UHDTV)
This paper proposes a transmission structure using the token bucket and leaky bucket methods already widely used in the internet protocol (IP) system for analysis of the delay and resource efficiency
Summary
The major digital TV standards are Advanced Television Systems Committee (ATSC) [1], Digital Video Broadcasting (DVB) [2], Integrated Services Digital Broadcasting (ISDB) [3], Digital Terrestrial Multimedia Broadcast (DTMB) [4], and so on. Each standard has technological strengths, but the economic feasibility is poor due to overlapping investments in technology and market divisions. They are incompatible because they use different technologies. Global cooperation is needed for next-generation terrestrial digital broadcasting to prevent the divide between technology and the market. The future of broadcast television (FOBTV) was established [5]. The FOBTV defines the use cases for next-generation broadcasting systems and technical issues to realize the system. This paper focuses on the uniform protocol stack and ultra-high definition television (UHDTV)
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