Performances Analysis of Polar Codes Decoding Algorithms over Polar-Coded SCMA System
Imen Abidi, Moez Hizem, Iness Ahriz, Maha Cherif, Ridha Bouallègue · 2019
Sparse code multiple access (SCMA) and polar codes (PC) have been considered as two promising techniques for future systems and have attracted growing research interests in order to meet the targets of the next generation of wireless communication networks. In this paper, we develop a novel detection and decoding scheme for SCMA systems combined with channel coding candidate polar codes. The performance of decoding methods of polar codes, such as the Successive Cancellation (SC), belief propagation (BP), Successive Cancellation List (SCL) and Soft Successive Cancellation (SCAN) decoding, over Additive White Gaussian Noise (AWGN) channel are presented. Simulation results indicate that decoding algorithms of polar codes outperforms conventional SCMA system. In fact, the performances of the estimated Bit Error Rate (BER) are below the order of 10-5.