Does we use aperiodic csi reporting or periodic only for 5G NR?

5G NR
1

Hi Experts,
For NR do we use aperiodic csi reporting or periodic only?

2

I see periodic.

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3

I m seeing mostly periodic as well. but can be aperiodic as well?
Not sure any parameter here…

4

Both you can use.

5

Ok.
Any triggering method to use aperiodic csi reporting.
I find periodic only as of now.

6

There is also aperiodic in parameters.

Huawei has param csialgoswitch that can be either periodic or aperiodic in 5G.
But everyone uses periodic.

7

In LTE aperiodic is used in Uplink resource scheduling, RACH response and during handover RACH response but all this needs to be configured.

I think NR would behave similar… I don’t know.

But LTE aperiodic has more gains NR doesn’t want this although signalling overhead increases.

8

Some linkage with CA working in NR there for aperiodic CSI reporting.
Need to check further.

9

Actually aperiodic csi reporting grants an accurate scheduling due to accurate PMI and CQI and Rank Indicator.

10

I remember Huawei said now their NR not support cqi aperiodic report.

11

For FR2 only aperiodic reporting is supported.

12

Some vendors use aperiodic only