Hybrid interactive data service architecture over T-DMB with mobile network

Lim, Young‐Kwon; Kim, Kyuheon

doi:10.1109/tce.2010.5681175

Cited by 9 publications

(1 citation statement)

References 22 publications

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“…Among others, T-DMB has received considerable attention for new emergency media, because in 2014, about 35million T -DMB receivers are spread after start of the T-DMB services in December 2005 [8]- [13]. Later on, the emergency text message broadcasting service using fast information channel (FIC) of T-DMB has established and standardized in 2006, and is currently operating.…”

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confidence: 99%

Design and implementation of a novel emergency wake-up alert system within a conventional T-DMB service network

Kim

Lee

Park

et al. 2014

IEEE Trans. Consumer Electron.

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Existing emergency alert techniques of terrestrial-digital multimedia broadcasting (T-DMB) and digital audio broadcasting (DAB) can be executed only when the receivers are activated. To overcome the limitation of existing technique, a novel emergency wake-up alert system within a conventional T-DMB service network is proposed. The emergency wake-up alert signal is periodically generated by emergency transmission data unit (ETDU) and then transmitted through the conventional T-DMB/DAB station. After receiving the emergency wake-up alert signal, T-DMB/DAB receiver can be wake-up, activating and result in showing emergency broadcasting contents to people.To obtain frequency efficiency, the emergency wake-up alert signal is overlaid onto the conventional T-DMB frequency band using a direct sequence spread spectrum technique.To assess the performance of the developed ETDU, simple RF transmitter, test receiver and measurement equipment are used. The performance is checked with different values of emergency wake-up alert signal to T-DMB power ratio. The laboratory test results shows that the wake-up alert signal can be transmitted without degrading the existing T-DMB signal quality and can be detected at very low power emergency wakeup alert signal, e.g., as low emergency wake-up alert signal to T-DMB power ratio as -22.2dB 1 .

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confidence: 99%