5G NAS – Authentication Failures Cause Values

In 5G Network, Non-access stratum (NAS) layer managed the PLMN specfic Network Failure and Authentication Failures between the 5G UE and 5G Core. Mutual authentication is a mandatory security procedure […]

5G NAS – Registration Reject Cause

In 5G NR, Registration is a NAS layer or 5G Mobility Management (5GMM) process and it is very much similar to the Attach Process in LTE except some of the […]

VoNR with Robust Header Compression (ROHC)

Voice Service in 5G SA, VoNR can use ROHC to compress the headers of voice packets. ROHC helps reduce header overheads of voice packets on radio links, which helps in […]

Open RAN Integration – Where We Today

Open RAN is being deployed by multiple Service Providers around the world. These deployment are large scale deployments in some of the largest countries in the world. In Open RAN […]

5G NR RLC – UM Mode Data Transmission

In 5G NR, RLC has 3 different modes of operations TM, UM and AM and each of the mode can transmit and receive data, serving different logical channels as per their requirement. This post provides […]

O-RAN – Fronthaul Delay and Its Management

O-RAN Split Option 7-2x, introduced a functional split between O-DU and O-RU within the PHY Layer of the radio interface. This split cause some delay in transmission and reception of […]