An FPGA-based time-domain frequency shifter with application to LTE and LTE-A systems

Felipe A P Figueiredo,Fabbryccio A C M Cardoso,Fabricio L Figueiredo,Fabiano S Mathilde

doi:10.1109/lascas.2015.7250408

An FPGA-based time-domain frequency shifter with application to LTE and LTE-A systems

Felipe A P Figueiredo, Fabbryccio A C M Cardoso + Show 2 more

https://doi.org/10.1109/lascas.2015.7250408

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Publication Date: Feb 1, 2015

Citations: 6

Affiliation: Centre for Research and Development in Telecommunications (Brazil)

#Long Term Evolution-Advanced Systems #Numerically Controlled Oscillator + Show 8 more

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Abstract

This paper presents the hardware architecture and the corresponding implementation details of a configurable and optimized FPGA-based time-domain frequency shifter with application to Long Term Evolution (LTE) and Long Term Evolution-Advanced (LTE-A) systems. The architecture is mainly based on a customized Numerically Controlled Oscillator (NCO) that is used for generating complex exponentials employing only adders, a Look-Up Table (LUT) and plain logic resources.

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