Design and Analysis of a Multi−Carrier Orthogonal Double Bit Rate Differential Chaotic Shift Keying Communication System

• DOI: 10.3390/electronics12081785
• Publication Date: 2023-04-10T09:59:33Z
• Authors: Tao Sui; Yongxin Feng; Bo Qian; Fang Liu; Qiang Jiang; Xiao Li
• Keywords: Rician fading

A new multi−carrier orthogonal double bit rate differential chaotic shift keying (MC−ODBR−DCSK) communication system is presented in this paper. With two composite signals generated by an signal generator as reference signals, 2M bits of information data are transmitted on M−channel subcarriers, improving transmission speed and energy efficiency. In addition, the receiver does not require a radio frequency (RF) delay circuit to demodulate received data, which makes easier implement. This paper analyzes Data−energy−to−Bit−energy Ratio (DBR) system. The error performance simulated verify impact parameters such maps, semi-spread spectrum factor, sub-carrier number. At same time, MC−ODBR−DCSK compared with traditional DCSK systems Rician fading additive Gaussian white noise (AWGN) channels.