5G Uplink Channels: Learn About UL Channels With UE Logs!

Published 2021-10-04
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5G Uplink Channels: Learn About UL Channels With UE Logs!

The video covers the 5G Uplink Channels and their functionalities. It also adds a new dimension by adding UE logs and signaling level explanation for uplink channels and their configuration explaining how the mobiles find out about the uplink channels in order to access them.

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0:00 Start
0:54 5G RACH : Random Access Channel
4:34 5G RACH Configuration From UE RRC Log
9:02 PUSCH : Physical Uplink Shared Channel
10:14 PUCCH : Physical Uplink Control Channel
18:20 Uplink Reference Signals - SRS & DMRS

All Comments (21)
  • Believe me your videos are much better than most of the courses sold online. In 5G i believe if more content is added, would really help the learners. Keep it up.
  • @SarangDumbre
    The way you have explained the purpose of using the short PUCCH and Long PUCCH is remarkable. Great Explanation altogether. I certainly recommend this channel to anyone who wants to have in-depth knowledge.
  • @the.georgest
    Good explanation of NR UL channels, indeed. However, I have a few things to comment: 1. When talking about RACH configuration maybe you should emphasize also msg1-FrequencyStart, as the position of RACH channel in frequency domain is very important, especially when UL has configured continuous PRB allocation. 2. For Long PUCCH Formats you said that in one slot there will be one freq. position of PUCCH channel (PRB 272), while in another slot frequency there will be secondHopPRB position (PRB 0). However, I can see from the configuration that intraSlotFrequencyHopping is enabled and, as per my understanding, that means that in first 7 symbols within one slot PUCCH channel will be at position 272, while in the next 7 symbols within the same slot PUCCH channel will be at position 0.
  • Thank you for your very clear annunciation on this video. There are so many videos on here that are spoiled by poor presentation but yours is the best I have seen yet! This is coming from a telecomms technical trainer so I know how difficult can be to describe these concepts in an easily understandable way.
  • I love your color coding and the way you relate the concepts to RRC configurations. Really helpful!
  • @syedmohtada
    Making complex topics to simpler is called “Our Technology Planet “ 😊 Thanks again for this video
  • Gone through most of your videos , they way you are simplifying the concepts is pretty good. Thanks and keep posting more stuff..👍👍
  • Excellent way of explaining the 5G procedure and channel concepts by taking the Trace log as well. Thank you
  • @MG-qu9ig
    Hello Sir, Thank you for this session Here are some video ideas: * Explanation of individual DCI fields & calculations of UL grant, K0, K1, K2 and other parameters using the DCI fields * UCI fields * HARQ procedure in 5G * Coreset and searchSpace in 5G * PRB, CRB, VRB in 5G * 2 step RACH procedure Thanks Again🙏
  • @renegade9991
    Hi Haider - I am looking for an explanation on end to end call flow explaining all the phases RRC,NG and PDU session establishment for a 5G SA Network