5G Timing Advance | RAR TA and MAC-CE TA
Timing Advance Timing Advance (TA) is a command sent by Base Station (BS) to UE to adjust its uplink transmission...
Category: 5G MAC Layer
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...
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...
5G RACH Power Control – Open Loop Power
5G NR PRACH Power Control In any wireless System, when a device (UE) needs to get access it has to...
5G SR – Scheduling Request
Scheduling Request SR also known as Scheduling Request is a very famous word for telecom Dev, Test, and Optimization Engineers....
5G NR Resource Allocation – Resource Allocation Type 0
Introduction To transmit and recieved data in downlink and uplink UEs need bandwidth resource allocated and this allocation provided by...
PDCCH Order Triggered RACH
What is PDCCH Order ? PDCCH order is a technique used by base station eNB/gNB to force UE to trigger...
5G MAC BSR – Buffer Status Reporting
The Buffer Status reporting (BSR) is a MAC layer procedure which is used by the UE to provide information about...
5G MSG3 – PUSCH Scheduled Transmission by RAR UL grant
Introduction When we want to connect a UE to 5G network, it has to synchronize in downlink as well as...
5GNR 2-Step RACH
2-Step RACH In Earlier versions of NR 3GPP Releases i.e. Rel.15, There was only one type of RACH procedure was...