5G-NR tutorials and call flows

Medium blog posts

5G NR: The New Radio interface for 5G

The 5G air interface that scales from cellular to the mm-wave bands.

5G physical layer specifications

The 5G specifications have been published as the 3GPP 38 series. Here we look at the physical layer specifications.

Massive MIMO

MIMO with large phased array antenna array at the base station

LDPC — low density parity check code

5G AN uses LDPC for channel coding on the traffic channel. LDPC corrects channel errors by maintaining parity bits for a selection of the data bits.

Cloud RAN and eCPRI fronthaul in 5G networks

5G networks will move towards centralizing the radio function using an eCPRI based fronthaul.

Mobility with mm-waves

5G specifications are extending the reach of mobile communication by supporting frequency bands up to 100 GHz.

5G non-standalone access

Signaling flow for 5G access via LTE-5G NR dual connectivity (EN-DC).

5G Service-Based Architecture (SBA)

Learn now the 5G Core Network has been designed around services that are invoked using a standard API.

5G Standalone Access Registration

Signaling flow for 5G standalone access registration.

5G NR RLC Acknowledged Mode

Deep dive into the 5G Radio Link Control in Acknowledged Mode.