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Due to the ever-growing amount of data produced through versatile hyper-connected networks, in pursuit of the Internet of Everything (IoE), the challenges to derive useful knowledge from these big IoE data have received increasing attention. This research deals with fusing multi-modal data from the IoE networks, in order to efficiently provide a set of highly relevant input data for further high-level...
This paper depicts a results of field test for an implemented digital video broadcasting for cable system (DVB-C2) transceiver, which has been implemented using field programmable gate arrays (FPGAs). The test results show the physical channel status and performance of the DVB-C2 transceiver, which includes the sampling clock offset (SCO), the frequency offset (FO), the frequency response of the hybrid...
This paper depicts a results of field test for an implemented digital video broadcasting for cable system (DVB-C2) transceiver, which has been implemented using field programmable gate arrays (FPGAs). The test results show the physical channel status and performance of the DVB-C2 transceiver, which includes the sampling clock offset (SCO), the frequency offset (FO), the frequency response of the hybrid...
To reduce an adjacent channel interference (ACI) by sharpening the spectrum edges of the orthogonal frequency division multiplexing (OFDM) signal in the frequency domain, an windowing function is applied to the individual OFDM symbols in time domain. A commonly used windowing function is the raised cosine function with a roll-off factor. In this paper, the spectrum of an OFDM signal and −45 dB bandwidth...
This paper presents the results of mathematical analysis and simulation of broadcast channel bonding for transmitting massive UHD contents. Analysis and simulations have been performed to verify the performance of the channel bonding scheme in terms of allowable skew budget between bonded broadcast channels. When the data rate of UHD contents is fixed, the skew budget is independent of the number...
This paper presents a UHDTV transmission scheme using broadcasting channel bonding which transmits a UHDTV program through multiple broadcasting channels. A signaling method is also introduced for providing service information about the UHDTV program transmitted over multiple broadcasting channels.1
We propose the functional design of the next generation mobile HD television. The next generation mobile television should have functions which can support successful business models to overcome the failing problems of the conventional services. For this, the next generation mobile television should have to support the HDTV over 40 inches screen for public transportations such as buses and trains...
This paper is to provide implementation performing remote exploration through a remote explorer terminal based on a user terminal or a screen connected to the Internet. Particularly, this technology is for recommending a remote explorer to a user, and providing a user with the image or the video taken by the remote explorer terminal.
This paper presents an efficient design and implementation of user terminal for Downloadable Conditional Access System (DCAS). The DCAS system enables cable operators to flexibly change and update their Conditional Access Systems (CAS) without hardware changes by downloading CA applications through Hybrid Fiber Coaxial (HFC) network. In order to do this, the DCAS user terminal provides DCAS functionalities...
An experimental service of 3DTV cable broadcasting was made by delivering stereoscopic 3D video to the users in dual HD stream format. Also, an experimental attempt was made to provide backward compatibility for conventional 2D Set-top Boxes (STB) receiving and displaying only one stream of stereoscopic 3D video signal called reference video. For the experimental service, stereoscopic 3D video signals...
In this paper, we propose a 3DTV system supporting delivery of full HD resolution 3DTV contents over HFC network. So far, we have used a 3DTV system supporting only frame-compatible format of 3DTV contents in order to provide 3DTV broadcasting service over HFC network. Using the frame-compatible format has an advantage being compatible with the current digital cable broadcasting system when transmitting...
In this paper, we propose 3DTV systems and introduce demonstrations for providing 3DTV service over HFC network. We introduce two types of 3DTV system using single broadcasting channel or multiple communication channels to broadcast or transmit 3DTV contents over HFC network, respectively. The 3DTV system using single broadcasting channel has an advantage being compatible with the current digital...
In this paper, we present efficient designs and implementations of a headend cable modem and a user terminal supporting downstream channel bonding for the HFC plant. The developed systems can enable various communication- broadcasting converged services over HFC network, such as HD IP-TV. The downstream channel bonding combines multiple downstream channels to provide greater aggregate bandwidth up...
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