Category: 5G MAC Layer
5G NR Timing Advance: RAR TA and MAC-CE TA
Timing Advance (TA) is a command sent by Base Station (BS) to UE to adjust its uplink transmission means that the UE sends UL symbols in advance according to command […]
5G NR Layer 2 – Radio Link Control (RLC) Overview
5G RLC overall functionality is almost same as LTE RLC. In 5G also, RLC has 3 different modes of operations and each of the mode can transmit and receive data, […]
5G NR Transport Block Size (TBS) Calculation
Transport Block in 5G NR, is nothing but the payload which is passed between the MAC and Phy Layers, specifically for the shared data channel such as PDSCH and PUSCH. […]
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 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 […]