Gaussian channel transmission of images and audio files using cryptcoding. Issue 11 (1st July 2019)

• Record Type: Journal Article
• Authors: Bakeva, Verica; Popovska‐Mitrovikj, Aleksandra; Mechkaroska, Daniela; Dimitrova, Vesna; Jakimovski, Boro; Ilievski, Vladimir
• Is Part Of: IET communications. Volume 13:Issue 11(2019)
• Page Start: 1625
• Page End: 1632
• Publication Date: 2019-07-01
• Subjects: random codes -- decoding -- Gaussian channels -- error correction codes -- channel coding -- error statistics -- cryptography -- image coding -- audio coding; 4‐sets‐cut‐decoding algorithms -- audio files -- decoded image -- bit‐error rate -- packet error rate -- decoding speed -- Gaussian channel transmission -- random codes -- error‐correcting codes -- coding algorithm -- cryptcoding -- information security -- cut‐decoding algorithm -- RCBQ performance -- quasigroups -- image files; Telecommunication systems -- Periodicals; Speech processing systems -- Periodicals; 621.38205
• DOI: 10.1049/iet-com.2018.5636
• Languages: English
• ISSNs: 1751-8628

Abstract

Abstract : Random codes based on quasigroups (RCBQ) are cryptcodes, i.e. they are error‐correcting codes, which provide information security. Cut‐Decoding and 4‐Sets‐Cut‐Decoding algorithms for these codes are defined elsewhere. Also, the performance of these codes for the transmission of text messages is investigated elsewhere. In this study, the authors investigate the RCBQ's performance with Cut‐Decoding and 4‐Sets‐Cut‐Decoding algorithms for transmission of images and audio files through a Gaussian channel. They compare experimental results for both coding/decoding algorithms and for different values of signal‐to‐noise ratio. In all experiments, the differences between the transmitted and decoded image or audio file are considered. Experimentally obtained values for bit‐error rate and packet error rate and the decoding speed of both algorithms are compared. Also, two filters for enhancing the quality of the images decoded using RCBQ are proposed.