5G NR – Msg2 Random Access Response (RAR) – SA Mode

In 5G NR,  the initial access include down-link synchronisation and up-link synchronisation procedures. Downlink synchronisation can be achieved after decoding Minimum System Information (SSB-MIB) and Remaining System Inforatmion (RMSI- SIB […]

5G RIC – RAN Intelligent Controller

With the evolution and advancements in 4G & 5G RAN architecture e.g. CUPS, Layer Function split concept and virtualization, made it possible to use SDN concepts into the mobile infrastructure. […]

5G NR RA-RNTI Calculation

A 5G UE picks a random preamble for RACH procedure to get the uplink synchronisation. The preamble is referenced with an ID know as  RAPID (Random Access Preamble ID). 5G […]

Virtual Machine vs Container

Virtual machines (VMs) are an abstraction of physical hardware turning one server into many servers. It functions as a virtual computer system with its own CPU, memory, network interface, and […]

Linux Basic Commands

List of most commonly used common used by Development, Testing, and System Administrator engineers in Linux Environment. SYSTEM uname  -a      : Display linux system information uname -r    […]

NFVO Management Function Validation Test Suite

Virtualized Network Functions (VNF) are managed and orchestrated by the NFV MANO through the NFVI. It allows a VNF to be instantiation, management, scaled up or down and in or […]

5G NR RSRP Measurement Report Mapping

In 5G NR, RSRP measurement is performed and reported at Layer 1 (Physical Layer) and Layer 3 (RRC Layer). For example,  5G capable device can provide SS-RSRP measurements at Layer […]

NB IOT Peak Data Rate Calculation

We have seen in different literature that Narrow Band IOT (NB-IOT) release 13 technology peak downlink data rate is 170 kbps and  pplink data rate is 250 kbps, do know […]

5G NR System Information Type#3 – SIB 3

In 5G NR, SIB3 contains neighboring cell related information relevant for intra-frequency cell re-selections only. It includes cells with specific re-selection parameters and blacklisted cells information. Characteristics of NR System […]

5G NR System Information Type#2 – SIB 2

In 5G NR, System Information Block Type 2 or SIB2  provides information which is common to intra frequency , inter frequency and inter-system cell (NR – LTE) reselection. It also […]