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Is there any use role of RSRP or RSSI while taking decision for handover ?

+4 votes
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Is there any use role of RSRP or RSSI while taking decision for handover ?
posted Sep 28, 2014 by Ganesh

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1 Answer

+1 vote

As per my understanding eNB considers RSRP in HO preparation decision. Suppose UE is sending measurement(PCI/RSRP) of more than one neighbor cell for HO then eNB first try HO preparation for the neighbor for which UE send higher RSRP value. If eNB is not able to proceeds with this neighbor then will try with next neighbor have lower RSRP with this.

answer Oct 12, 2014 by Veer Pal Singh Yadav
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0 votes

I have the following values: 'RSRQ': -9.6875, 'RSRP': -96.0625, 'E-ARFCN': 1300
Is it possible to calculate RSSI from this? could someone provide me with formula?

+2 votes

I was wondering if I change HO decision based on RSRP to RSRQ, do I also need to change other variables, such as a3offset, hysteresis, filter-coefficient, TTT or other variables (I don't know a lot, I am an intern). The range for RSRQ is smaller relative to RSRP. This is the reason why I am thinking that other variables need to change to adjust to the range for RSRQ.

I was looking at a dense cell site zone, where RSRQ was terrible and RSRP was very good. UE make the decisions there based on RSRP, resulting in different HO types, such as HO_Early, HO_Late, Wrong_Cell.

Did you guys come across similar problems? If so how did you guys tackle the issue?

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