Hello Experts.
How does UE obtain resources information to transmit Msg3?
Hi…
MSG3- RRC connection Request that’s 48 bit - 40 bit UE ID and 8 Bit message cause - MO call/MT Call / Emergency Etc.
Now-
To obtain the resources UE performed RACH…
after RACH → RAR (random acess response) is provided- UL Grant RB’s / TA/ CRNTI…
UL Grant makes the RB’s available to Transmit msg3 in the UL direction.
the information that was sent inmsg3 is UE ID+ Cause.
Related Topics
| Topic | Replies | Views | Activity | |
|---|---|---|---|---|
| Contents of MSG3 in NR RACH during endc deployment? | 0 | 430 | May 16, 2021 | |
| Does RRC_conn_setup contains any grant for the UE to send RRC_conn_setup_complete? | 19 | 2393 | October 30, 2021 | |
| What content is sent in MSG3 during NR RACH in ENDC? | 21 | 4997 | June 13, 2021 | |
| How does the UE initiate RACH preamble in UL direction without any grant? | 0 | 460 | January 30, 2023 | |
| UE is sending msg3 with CRNTI but gNB is not providing any uplink grant | 0 | 444 | December 13, 2022 | |
| Root ID in CFRA Rach process | 2 | 761 | July 14, 2022 | |
| RACH in NR | 3 | 764 | February 25, 2023 | |
| 5G RACH procedure issues | 5 | 1606 | February 25, 2023 | |
| 5G NR SIB scheduling | 2 | 731 | June 6, 2024 | |
| Does UEs can use the same SR to ask for resources in the UL? | 1 | 305 | October 8, 2022 |