Table 1 Attributes for the management of the network slicing features

Attribute

Explanation

 SliceProfileId

A unique identifier of the slice profile.

 SNSSAIList

Set of supported S-NSSAI(s) in the NSSI. Each S-NSSAI is comprised of a SST (Slice/Service type) and an optional SD (Slice Differentiator) field.

3GPP has standardised three SST: enhanced Mobile Broadband (eMBB), Ultra Reliable Low Latency Communications (URLLC) and Massive IoT (MIoT).

 PLMNIdList

Set of PLMN identifier(s) associated with the slice subnet.

 PerfReq

It specifies the requirements to the NSSI in terms of the scenarios defined in 3GPP TS 22.261, such as experienced data rate, area traffic capacity (density) and information of UE density.

 maxNumber ofUEs

It specifies the maximum number of UEs that may simultaneously access the slice subnet.

 coverageArea TAList

List of tracking area(s) where the slice subnet can be selected.

 Latency

It specifies the packet transmission latency (millisecond) through the RAN, CN and TN part of 5G network

 UEMobility Level

It specifies the mobility level of UE accessing the slice subnet. Allowed values: stationary, nomadic, restricted mobility, fully mobility.

 Resource

 SharingLevel

It specifies whether the resources to be allocated to the Network Slice Instance may be shared with another Network Slice Instance(s). Allowed values: shared, non-shared.

Attribute

Explanation

 SNSSAIList

Set of supported S-NSSAI(s) in the NR cell.

 RRMPolicyType

Type of the RRM policy. Allowed values: 0 .. 65535. From these, three values are specified: The value 0 denotes the use of the RRMPolicy attribute. The value 1 denotes use of the RRMPolicyNSSIId and RRMPolicyRatio attributes. The value 2 denotes use of the RRMPolicyRatio2.

 RRMPolicy

Represents RRM policy which includes guidance for split of radio resources between multiple slices the cell supports. The RRM policy is implementation dependent.

 RRMPolicyNSSIId/RRMPolicyRatio

Pair of attributes used to specify a percentage of Physical Resource Blocks (PRBs) to the corresponding slice, in average over time. The sum of the values shall be less or equal 100. Average time is implementation dependent.

RRMPolicyRatio2

Like the RRMPolicyRatio, this policy allows specifying the percentage of radio resources to be allocated to the corresponding SNSSAIList. However, this can be done with more details, including the selection of strict or flexible (i.e. float) sharing polices among slices as well as the definition of maximum, minimum and safety margin values for the percentages of radio resources (i.e. attributes referred to as quotaType, RRMPolicyMaxRatio, RRMPolicyMarginMaxRatio, RRMPolicyMinRatio and RRMPolicyMarginMinRatio).