Frequency organization of the radio interface
The 5G New Radio interface

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TE8015 V1 Article

Frequency organization of the radio interface
The 5G New Radio interface

Author : Xavier LAGRANGE

Publication date: February 10, 2023 | Lire en français

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3. Frequency organization of the radio interface

The main novelty of NR technology lies in the greater flexibility of subcarrier spacing, as well as the possibility of using frequencies above 6 GHz and integrating antenna arrays more easily than with 4G-LTE.

3.1 Notion of numerology

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3.1.1 Definition

One of the characteristics of OFDM is that the modulation width is identical to the frequency spacing between 2 successive subcarriers, denoted by Δf

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