A Study of Watermarking Data Transmission Scheme for BPSK-OFDM Based LED Communication System 


Vol. 36,  No. 10, pp. 1246-1251, Oct.  2011


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  Abstract

In this paper, BPSK-OFDM-based LED communication systems are applied to watermarking techniques, were studied on how to transfer the additional information data with at the same time as the transfer of LED communication data. For watermarking kasami code was used as spreading codes, and spread additional data is controlled by small signal level to be BPSK-OFDM does not affect the optical signal. BPSK-OFDM is added to an optical signal is transmitted. The performance of the spreading code as a kasami code is autocorrelation of the noise-free environment, under the noise environment was confirmed by autocorrelation. BPSK-OFDM-based LED communication system has been applied proposed technique throughout the simulation in analyzed to BER of BPSK-OFDM DER performance and watermark signal level according to signal size level of data. That was availability confirmed for watermarking data transmit techniques data as being analysis detection performance of watermarking information using LED communication according to the code.

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  Cite this article

[IEEE Style]

S. Lee, J. Lee, J. Cha, "A Study of Watermarking Data Transmission Scheme for BPSK-OFDM Based LED Communication System," The Journal of Korean Institute of Communications and Information Sciences, vol. 36, no. 10, pp. 1246-1251, 2011. DOI: .

[ACM Style]

Seung-ho Lee, Jung-hoon Lee, and Jae-sang Cha. 2011. A Study of Watermarking Data Transmission Scheme for BPSK-OFDM Based LED Communication System. The Journal of Korean Institute of Communications and Information Sciences, 36, 10, (2011), 1246-1251. DOI: .

[KICS Style]

Seung-ho Lee, Jung-hoon Lee, Jae-sang Cha, "A Study of Watermarking Data Transmission Scheme for BPSK-OFDM Based LED Communication System," The Journal of Korean Institute of Communications and Information Sciences, vol. 36, no. 10, pp. 1246-1251, 10. 2011.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880