top button
Flag Notify
    Connect to us
      Site Registration

Site Registration

Why do we need an RACH in RN in LTE?

+2 votes
713 views
Why do we need an RACH in RN in LTE?
posted Sep 4, 2018 by Jaganathan

Share this question
Facebook Share Button Twitter Share Button LinkedIn Share Button

1 Answer

0 votes

Relay Node in LTE network acts as an eNodeB to UE and acts as an UE towards Donor eNodeB (DeNB). DeNB is invisible for UEs connecting through Relay node. Since RN is treated as eNodeB by an UE, it will perform RACH to access the cell.

answer Sep 5, 2018 by Harshita
Hi Harshitha,
Thanks for the answer. But In MAC specification they have mentioned RN will perform rach in LTE? In your answer i understood Why UE perform RACH towards RN. But Why RN perform RACH?
commented Sep 5, 2018 by Jaganathan
Similar Questions
+2 votes
Why do we need only contention free RACH in LAA cells?

Why do we need only contention free RACH in LAA cells?

0 votes
Why do we need TB size in DCI0?

DCI 0 has no ofRB and MCS values, using these we can find out an TB size then why there is an extra field which is TB size in DCI0.
What is the usage of this field.

...