15.4.3 O&M requirements

Operators should be able to configure the energy saving function.

The configured information should include:

• The ability of an NG-RAN node to perform autonomous cell switch-off;
• The ability of an NG-RAN node to request the re-activation of a configured list of inactive cells owned by a peer NG-RAN node.

O&M may also configure:

• policies used by the NG-RAN node for cell switch-off decision;
• policies used by peer NG-RAN nodes for requesting the re-activation of an inactive cell;
• The minimum time an NG-RAN node's cell should remain activated upon reception of a re-activation request from an eNB.