top button
Flag Notify
    Connect to us
      Facebook Login
      Site Registration

Facebook Login
Site Registration

LTE: Is the position of PHICH and PCFICH in a sub frame fixed or varies per sub frame ?

+1 vote

I saw a radio frame image which was consists of 10 sub frames. Each sub frame was showing PHICH and PCFICH. I know use of these two channels but want to know whether their positions are fixed or varies in each sub frame ?

posted Oct 9, 2016 by Vikram Singh

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

1 Answer

0 votes


PHICH and PCFICH are fixed in LTE.
PCFICH always occupies forst symbol in every SF and PHICH occupies every first symbol if it is normal duration otherwise first 1,2,3 symbol in every SF.

answer Oct 12, 2016 by Jaganathan
Similar Questions
0 votes

We know LTE scheduler works at the 1 millisecond level . Why it does not work at the 0.5 ms (slot) level ?

+2 votes

I came to know total six subframes of a radio frame can be used for MBSFN transmission. How UE come to know about exact number of sub frames that are being used in a radio frame ? Does the eNodeB send this information to UE or UE itself figure out ?

0 votes

On what parameter basis, eNodeB changes its current transmission mode to different transmission mode for an UE ?
What parameters are considered to take decision on transmission mode ? Does the eNodeB inform to UE about the selected TM ?

0 votes

What is the duration of a sub-frame and a frame in LTE? How many OFDM symbols per sub-frame? What is the transmit time interval (TTI) over which an allocation happens in the DL or UL?

Contact Us
+91 9880187415
#280, 3rd floor, 5th Main
6th Sector, HSR Layout
Karnataka INDIA.