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Article | REF: TE8015 V1

The 5G New Radio interface

Author: Xavier LAGRANGE

Publication date: February 10, 2023

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2. Radio interface overview

2.1 OFDM, transmission principle

Transmission on the 5G-NR radio interface is based on Orthogonal Frequency Division Multiplexing (OFDM), as in 4G-LTE [TE 7 372] . OFDM makes it possible to emulate multiple parallel transmissions, each at low bit rates, using the properties of the Fourier transform [AF 1 440] .) In 4G-LTE, the maximum number of subcarriers is 1,200 (2,048 including null...

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