Reconstruct unrecoverable data in real-time networks using Bézier curve

Dwi Agung Nugroho; Syamsul Rizal; Dong-Seong Kim

Reconstruct unrecoverable data in real-time networks using Bézier curve

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Author(s): Dwi Agung Nugroho ¹ ; Syamsul Rizal ¹ ; Dong-Seong Kim ¹
- Affiliations: 1: Department of IT Convergence Engineering, School of Electronic Engineering, Kumoh National Institute of Technology, South Korea
Source: Volume 9, Issue 5, 26 March 2015, p. 596 – 602
DOI: 10.1049/iet-com.2014.0788 , Print ISSN 1751-8628, Online ISSN 1751-8636

Received 25/11/2013, Accepted 23/10/2014, Revised 10/10/2014, Published 05/01/2015

This study proposes a method to handle unrecoverable data using a formula called Bézier curve. The proposed method suggests the possibility to approximate the damaged data, which have been processed by the error correction scheme. The proposed method works on the real-time distributed system which retransmission is considered as unsuitable solution to manage the overall networked system. By using the Bézier curve, the transmitted unrecoverable data are reconstructed again by using the functional approximation. This method provides a smoothing effect on damaged data that usually are normalised on real-time transmission of PROFIBUS. Three differences Bézier curve methods are compared in PROFIBUS data, four-points (FP) method, two-points two-degrees method and four-degrees (FD) method. Simulation results show that all three Bézier curve methods can approximate data in PROFIBUS. FD has higher computation complexity compared with others. However, FD compensates with its data size which is only half of FP method.

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Reconstruct unrecoverable data in real-time networks using Bézier curve

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