5G-NR transmissions are more flexible than their predecessor technologies.
5G-NR signals can be transmitted using different numerology, which is summarized below in Table.
The numerology is parameterized using an index parameter µ.
- ∆f stands for sub-carrier spacing.
- TS for symbol duration.
- TCP for the Cyclic Prefix(CP) duration.
- NFrame Slot for the number of slots per frame.
- TSlot for the slot duration.
The available Frequency Ranges (FR) for 5G-NR are also flexible ranges that can be divided into two, namely FR1 for frequencies below 6GHz and FR2 for frequencies above 24GHz.
FR1 transmissions can use the parameters corresponding to µ equal to 0,1, or 2, while FR2 transmissions can use the parameters corresponding to µ 2,3 or 4.