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Journal Article
Performance of TZCD-MBOK Watermarking Scheme in T-DMB Systems
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- Authors
- Jung Nam Bae, Jin Young Kim, Geon Kim, Yong Tae Lee, Jae Sang Cha
- Issue Date
- 2012-03
- Citation
- Multimedia Tools and Applications, v.57, no.2, pp.359-372
- ISSN
- 1380-7501
- Publisher
- Springer
- Language
- English
- Type
- Journal Article
- 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. © 2011 Springer Science+Business Media, LLC.
- KSP Keywords
- Broadcasting system, Data transmission, Detection accuracy, Digital Broadcasting, Enhancement method, data rate, digital TV, mobile environment, simulation results, system capacity, throughput enhancement