NR NCI to gNB and sector ID
Background
In 5G NR, the NCI (NR cell identity) is a 36-bit number that is used to identify a cell. The NCI is split into two parts: the gNB ID and the sector ID. The gNB ID has a variable width of between 22 and 32 bits which can be different for each network.
Calculator
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Examples
Below are the bit lengths in use on specific networks around the world.
| Country | Network | gNB ID bit length |
|---|---|---|
| UK | EE | 22 |
| UK | O2 | 22 |
| UK | Vodafone | 22 |
| UK | Three | 22 |