Abstract
The issue of accurate reception of signals in wireless communication systems is a constant concern due to the presence of noise/fading/interferences that may occur on the transmission path. Acknowledging that 5G requirements for these systems increase the standards related to high throughput and lowest bit error rate (BER), noise reduction must be performed to achieve reliable communication. Delta-sigma modulation (DSM) proved to be cost efficiency and reduced circuit complexity technique. Therefore, the performance of DSM is analyzed in a potential 5G-compliant system in Additive White Gaussian Noise, Nakagami-m and Weibull fading channels in the context of BER reduction. The main goal is to offer some landmarks related to expectations of DSM use in an OFDM-based communication system. The performance is evaluated for different sets of spreading sequences (Walsh-Hadamard and pseudo-noise) and based on the simulation results several conclusions are highlighted. Further improvement will be proposed for noise effects reduction and interference minimization in DSM-based 5G-compliant systems.
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