5G Link Adaptation: Transport Block Size Computation
ฝัง
- เผยแพร่เมื่อ 13 มี.ค. 2023
- This video describes Transport Block size computation in 5G, from MCS and number of Resource Elements (REs) scheduled.
▬ Contents of this video ▬▬▬▬▬▬▬▬▬▬
0:05 - Problem Statement
2:41 - Step 1: CQI to MCS mapping
4:19 - Step 2: Compute Carrier Capacity
5:37 - Step 3: Decide Computation Procedure & Base Graph
7:04 - Step 4: Quantization Procedure
8:24 - Step 5: Computation of TB size
References:
1. 3GPP ETSI TS 38.214
2. Textbook “5G New Radio in Bullets” by Chris Johnson
3. ShareTechNote: www.sharetechnote.com/html/5G...
Music: Erik SATIE - Gymnopedies 1
Clearly Explained. Thank You. Need More 5G related Videos
Sure 👍
Great video
thank you for your videos. Nice work
Thanks!
you are a life saver
please more video please
Great Video with insight. But it seems that the Max Allowed LDPC input size for Procedure C shall be 8424 (which is the maximum input size of BG1 exclude 24bit CB-CRC) .
Thank you, can you please let us know how to calculate Uplink TB size in 5G ?
thanks for video.. but I wanna ask a question to you.. is this mechanism just valid for downlink link adaptation ? or what about uplink link adaptation ? is the arrangment of MCS ealized at gNB for uplink link adaptation ??
Yes, this mechanism is valid for uplink also. In uplink, MCS for PUSCH transmission is decided by BS and conveyed to UE via scheduling grant (DCI_0 within PDCCH). BS adjusts _uplink MCS_ to attain a _target BLER_ , typically 10% for MBB traffic.
so, if I'm going to simulate a certain service from 5QI with certain SINR in 5G NR what paper you could recommend, so I could calculate accurately the carrier capacity (not just Shannon capacity)?
You can use 5g-tools.com/5g-nr-throughput-calculator/
@@WirelessExplained Thanks!
nice video sir, can you make more detailed videos