Performance Measurement of a Real-Time Optical Camera Communication System on an Edge Server 


Vol. 51,  No. 3, pp. 695-704, Mar.  2026
10.7840/kics.2026.51.3.695


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  Abstract

Optical camera communication (OCC), a branch of optical wireless communication, provides rapid, energy-efficient, and secure data transmission. This study introduces a real-time OCC performance measurement platform tailored for resource-limited edge devices. The system uses a two-dimensional on-off keying multiple input multiple output (2D OOK-MIMO) modulation technique to decode data from an 8 × 8 LED grid, processed on an edge server without GPU enhancement. Latency is evaluated using timestamp-based delay analysis to measure system performance. The performance measurement results indicate that the 10 Hz flicker rate yields low latency and bit error rates (BERs), thereby enhancing real-time performance. However, the 16 Hz flicker rate increases latency variability and BERs, reducing the dependability of the results without multi-processing programming. By contrast, multiprocessing, which utilizes the entire processor of the edge server, substantially improves the average latency from 94.1 ms to 30.09 ms. This performance improvement is achieved by parallelizing the frame acquisition, object detection, and data decoding stages, allowing the system to handle incoming frames concurrently. Notwithstanding computing resource limitations, the proposed framework sustains real-time performance, facilitating low-latency OCC deployment.

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[IEEE Style]

M. Lee and Y. M. Jang, "Performance Measurement of a Real-Time Optical Camera Communication System on an Edge Server," The Journal of Korean Institute of Communications and Information Sciences, vol. 51, no. 3, pp. 695-704, 2026. DOI: 10.7840/kics.2026.51.3.695.

[ACM Style]

Minji Lee and Yeong Min Jang. 2026. Performance Measurement of a Real-Time Optical Camera Communication System on an Edge Server. The Journal of Korean Institute of Communications and Information Sciences, 51, 3, (2026), 695-704. DOI: 10.7840/kics.2026.51.3.695.

[KICS Style]

Minji Lee and Yeong Min Jang, "Performance Measurement of a Real-Time Optical Camera Communication System on an Edge Server," The Journal of Korean Institute of Communications and Information Sciences, vol. 51, no. 3, pp. 695-704, 3. 2026. (https://doi.org/10.7840/kics.2026.51.3.695)
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pISSN : 1226 - 4717
eISSN : 2287 - 3880