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Joint Cryptography and Channel-Coding Based on Low-Density Parity-Check Codes and Advanced Encryption Standard for 5G Systems

Lasseni Coulibaly 1,Fethi Ouallouche 2, and Vitalice Oduol 3
1. Pan African University Institute for Basic Sciences, Technology and Innovation (PAUSTI) hosted at Jomo Kenyatta University of Agriculture and Technology (JKUAT)/Electrical Engineering (Telecom), Nairobi, Kenya
2. Mouloud Mammeri University of Tizi-Ouzou (UMMTO)/Electronics, Tizi-Ouzou, Algeria
3. University of Nairobi (UoN)/ Electrical and Information Engineering, Nairobi, Kenya

Abstract—Security and reliability issues have always been a big challenge in digital communications. With the emerging 5G technologies, new requirements are introduced where latency reduction is one of the most important. In this paper, a joint security and reliability method is proposed to fulfil both requirements in a single step with reduced computational complexity that leads to reduced latency for 5G communication systems. Based on Advanced Encryption Standard (AES) cryptosystem and Low-Density Parity-Check (LDPC) codes, the proposed method processes encryption and encoding at the same time. MATLAB simulation results show that the proposed method performs better compared to the previous conventional methods where encoding is done after encryption. 
 
Index Terms—Latency, AES, LDPC, low complexity, 5G communication systems

Cite: Lasseni Coulibaly, Fethi Ouallouche, and Vitalice Oduol, "Joint Cryptography and Channel-Coding Based on Low-Density Parity-Check Codes and Advanced Encryption Standard for 5G systems," International Journal of Electrical and Electronic Engineering & Telecommunications, Vol. 10, No. 6, pp. 397-406, November 2021. Doi: 10.18178/ijeetc.10.6.397-406

Copyright © 2021 by the authors. This is an open access article distributed under the Creative Commons Attribution License (CC BY-NC-ND 4.0), which permits use, distribution and reproduction in any medium, provided that the article is properly cited, the use is non-commercial and no modifications or adaptations are made.

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