Is RRC Inactive State required in 5G NR?

[Carlos_Alberto]

Hello Experts,

Why RRC_INACTIVE State is required in 5G NR?

Admin note: this post was updated with image below.

[rafaeldamasio]

Because of less frequent transactions with the EPC I believe.
S1 bearers are not released.

[marcengo]

Reduce the latency to transition from IDLE to CONNECTED. It is useful for low latency services.

[gdtelecomm]

Dear Experts.

Is RRC Inactive State optional or mandatory in 5G?

Does any vendor have feature to enable/disable RRC inactive state?

[sadanandk2]

@gdtelecomm

Is RRC Inactive State optional or mandatory in 5G?

It’s optional.

@gdtelecomm

Does any vendor have feature to enable/disable RRC inactive state?

Nokia has option to enable / disable it.

[chitrangankumar]

@gdtelecomm

Is RRC Inactive State optional or mandatory in 5G?

Basically it’s for mMTC / uRLLC use case.

[gdtelecomm]

Thanks.

So it is not used for eMBB?

[RFGirl]

@gdtelecomm

So it is not used for eMBB?

It can be, but is more targeted for mMTC / uRLLC use case.

Here is a nice video with straight explanation on RRC Inactive States in 5G NR:

Source: Telco Bytes

RRC Inactive State in 5G

Also check nice summary compiled by @vikas.nain here: Summarizing 5G RRC Inactive state and comparing with other 5G RRC states

[Shalab_Tripaathi]

Do Ericsson, Huawei, Nokia support RRC_Inactive state in current releases?