Sub-6 GHz Multi-Band Multi-Carrier Remote Unit Based on RFSoC

In this paper, a flexible Remote Unit (RU) with real-time modulation of 5G-like Orthogonal Frequency Division Multiplexing (OFDM) signals, capable of transmitting in the sub-6 GHz band, is presented. This architecture is capable of multi-carrier transmission, with the present implementation being ab...

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Bibliographic Details
Published in:	2021 IEEE MTT-S International Microwave Symposium (IMS) pp. 861 - 864
Main Authors:	Pereira, S.S., Almeida, L., Oliveira, A. S. R., Carvalho, N. B., Monteiro, P. P.
Format:	Conference Proceeding
Language:	English
Published:	IEEE 07-06-2021
Subjects:	4G mobile communication 5G mobile communication Field programmable gate arrays (FPGA) Logic gates Microwave communication Microwave measurement Modulation OFDM modulation Real-time systems Software Radio
Online Access:	Get full text
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Summary:	In this paper, a flexible Remote Unit (RU) with real-time modulation of 5G-like Orthogonal Frequency Division Multiplexing (OFDM) signals, capable of transmitting in the sub-6 GHz band, is presented. This architecture is capable of multi-carrier transmission, with the present implementation being able to transmit up to 3 distinct carriers and the overall architecture being only limited by the number of transmission chains implemented. The results show a maximum Error Vector Magnitude (EVM) of 4.7%, with Adjacent Channel Power Ratio (ACPR) above 47 dBc.
ISSN:	2576-7216
DOI:	10.1109/IMS19712.2021.9574874