Design of Digital Frequency Synthesizer for 5G SDR Systems

Abstract

The previous frequency synthesizer techniques for scalable SDR are not compatible with high end applications due to its complex computations and the intolerance over increased path interference rate which leads to an unsatisfied performance with improved user rate in real time environment. Designing an efficient frequency synthesizer framework in the SDR system is essential for 5G wireless communication systems with improved Quality of service (QoS). Consequently, this research has been performed based on the merits of fully digitalized frequency synthesizer and its explosion in wide range of frequency band generations. In this paper hardware optimized reconfigurable digital base band processing and frequency synthesizer model is proposed without making any design complexity trade-off to deal with the multiple standards. Here fully digitalized frequency synthesizer is introduced using simplified delay units to reduce the design complexity. Experimental results and comparative analyzes are carried out to validate the performance metrics and exhaustive test bench simulation is also carried out to verify the functionality.

An efficient high performance reconfigurable canonical sign digit architecture for software defined radio

“…However, its range of applications was constrained by flexibility concerns and the existence of analogue components [5]. To address this issue, next-generation wireless communication systems [6], [7] provide a single terminal solution based on highly adaptable digital hardware that can carry out numerous tasks using reconfigurable units.…”