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Performance of TZCD-MBOK watermarking scheme in T-DMB systems

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Abstract

Recently, watermarking based data transmission techniques using terrestrial digital TV signal have been proposed since they are also cost-free and can overcome the limitations of GPS. However, in the previous watermarking based methods, the detection accuracy is low and additional data rate is too low. Thus, we propose the throughput enhancement method by employing the TZCD-MBOK watermarking technique in T-DMB system. By applying the proposed scheme to T-DMB, it allows additional data transmission for disaster broadcasting and improves efficiency of data transmission in shadow region and indoor to mobile environment through watermarking spread code. From the simulation results, we confirm the proposed watermarking scheme affected on the existing T-DMB signal. Moreover, it was also confirmed that the system capacity increases as the power of additional watermarking signal rose. The results of the paper can be applied to wireless multimedia digital broadcasting systems.

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Acknowledgement

This work was supported by the IT R&D program of KCC/MKE/KEIT [KI002073, Development of T-DMB Emergency Broadcast Technology for Tunnel Application in Single Frequency Network]

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Authors and Affiliations

  1. Department of Wireless Communications Engineering, Kwangwoon University, Seoul, South Korea

    Jung Nam Bae & Jin Young Kim

  2. Department of Digital Broadcasting Research Divisions, Electronics and Telecommunications Research Institute (ETRI), Daejeon, South Korea

    Geon Kim & Yong Tae Lee

  3. Department of Media Engineering, Seoul National University of Science and Technology, Seoul, South Korea

    Jae Sang Cha

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  1. Jung Nam Bae
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  2. Jin Young Kim
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  3. Geon Kim
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  4. Yong Tae Lee
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  5. Jae Sang Cha
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Correspondence to Jae Sang Cha.

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Bae, J.N., Kim, J.Y., Kim, G. et al. Performance of TZCD-MBOK watermarking scheme in T-DMB systems. Multimed Tools Appl 57, 359–372 (2012). https://doi.org/10.1007/s11042-011-0740-2

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  • DOI: https://doi.org/10.1007/s11042-011-0740-2

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