SERVICE MANAGEMENT ORCHESTRATION AND DISTRIBUTED UNIT DIRECT CONTROL NETWORK ENERGY SAVING USING O1 INTERFACE

1 . A method, comprising:

sending, by an Open Radio Access Network (O-RAN) Distributed Unit (O-DU), network energy saving (NES) information comprising at least one of network traffic, load performance measurements, and Key Performance Indicators (KPI's) to a service management and orchestration (SMO);

receiving, by the O-DU, a message indicating when to apply a TRx Control configuration to an O-RAN Radio Unit (O-RU); and

setting, by the O-DU, a transceiver (TRx) Control configuration at the O-RU over a fronthaul (FH) interface one of a management plane (M-Plane) or a control plane (C-Plane) based at least in part on the received message; and

sending, by the O-DU to the SMO, a notification indicating whether activation of the TRx control configuration was successful.

2 . The method as claimed in claim 1 , further comprising:

receiving, by the O-DU from the O-RU, supported TRx Control antenna masks and antenna array configurations, wherein the NES information further comprises the supported TRx Control antenna masks and antenna array configurations, and wherein the O-DU and SMO are only allowed to set the TRx Control Configuration that include the supported TRx Control antenna masks and antenna array configurations.

3 . The method as claimed in claim 1 , wherein the NES information does not include an antenna mask or antenna array configuration, and the O-DU and SMO are enabled to set the TRx Control Configuration to use any of plural antenna mask and antenna array configurations.

4 . The method as claimed in claim 1 , wherein the message comprises a U-plane Yet Another Generation (YANG) configuration indicating a specific TRx Control configuration.

5 . The method as claimed in claim 4 , wherein the setting the TRx Control configuration comprises:

applying, by the O-DU to the O-RU, the specific TRx Control configuration

receiving, by the O-DU from the O-RU, a notification with parameters based on applying the specific TRx Control configuration.

6 . The method as claimed in claim 1 , wherein the message comprises a policy indicating a specific TRx Control configuration.

7 . The method as claimed in claim 6 , wherein the setting the TRx Control configuration comprises:

processing, by the O-DU, the policy to obtain parameters of the TRx Control configuration.

applying, by the O-DU to the O-RU, the specific TRx Control configuration based on the obtained parameters; and

receiving, by the O-DU from the O-RU, a notification with parameters based on applying the specific TRx Control configuration.

8 . An Open Radio Access Network (O-RAN) Distributed Unit (O-DU), configured to:

send network energy saving (NES) information comprising at least one of network traffic, load performance measurements, and Key Performance Indicators (KPI's) to a service management and orchestration (SMO);

receive a message indicating when to apply a TRx Control configuration to an O-RAN Radio Unit (O-RU); and

set a transceiver (TRx) Control configuration at the O-RU over a fronthaul (FH) interface one of a management plane (M-Plane) or a control plane (C-Plane) based at least in part on the received message; and

send to the SMO, a notification indicating whether activation of the TRx control configuration was successful.

9 . The O-DU as claimed in claim 8 , further configured to:

receive from the O-RU, supported TRx Control antenna masks and antenna array configurations, wherein the NES information further comprises the supported TRx Control antenna masks and antenna array configurations, and wherein the O-DU and SMO are only allowed to set the TRx Control Configuration that include the supported TRx Control antenna masks and antenna array configurations.

10 . The O-DU as claimed in claim 8 , wherein the NES information does not include an antenna mask or antenna array configuration, and the O-DU and SMO are enabled to set the TRx Control Configuration to use any of plural antenna mask and antenna array configurations.

11 . The O-DU as claimed in claim 8 , wherein the message comprises a U-plane Yet Another Generation (YANG) configuration indicating a specific TRx Control configuration.

12 . The O-DU as claimed in claim 11 , wherein the O-DU is configured to set the TRx Control configuration by:

applying to the O-RU, the specific TRx Control configuration; and

receiving from the O-RU, a notification with parameters based on applying the specific TRx Control configuration.

13 . The O-DU as claimed in claim 8 , wherein the message comprises a policy indicating a specific TRx Control configuration.

14 . The O-DU as claimed in claim 13 , wherein the O-DU is configured to set the TRx Control configuration by:

processing the policy to obtain parameters of the TRx Control configuration.

Applying to the O-RU, the specific TRx Control configuration based on the obtained parameters; and

receiving, from the O-RU, a notification with parameters based on applying the specific TRx Control configuration.

15 . At least one non-transitory computer-readable recording medium having recorded thereon instructions executable by at least one processor to implement a method comprising:

sending, by an Open Radio Access Network (O-RAN) Distributed Unit (O-DU), network energy saving (NES) information comprising at least one of network traffic, load performance measurements, and Key Performance Indicators (KPI's) to a service management and orchestration (SMO);

receiving, by the O-DU, a message indicating when to apply a TRx Control configuration to an O-RAN Radio Unit (O-RU); and

setting, by the O-DU, a transceiver (TRx) Control configuration at the O-RU over a fronthaul (FH) interface one of a management plane (M-Plane) or a control plane (C-Plane) based at least in part on the received message; and

sending, by the O-DU to the SMO, a notification indicating whether activation of the TRx control configuration was successful.

16 . The at least one non-transitory computer-readable recording medium as claimed in claim 15 , the method further comprising:

receiving, by the O-DU from the O-RU, supported TRx Control antenna masks and antenna array configurations, wherein the NES information further comprises the supported TRx Control antenna masks and antenna array configurations, and wherein the O-DU and SMO are only allowed to set the TRx Control Configuration that include the supported TRx Control antenna masks and antenna array configurations.

17 . The at least one non-transitory computer-readable recording medium as claimed in claim 15 , wherein the NES information does not include an antenna mask or antenna array configuration, and the O-DU and SMO are enabled to set the TRx Control Configuration to use any of plural antenna mask and antenna array configurations.

18 . The at least one non-transitory computer-readable recording medium as claimed in claim 15 , wherein the message comprises a U-plane Yet Another Generation (YANG) configuration indicating a specific TRx Control configuration, wherein the setting the TRx Control configuration comprises:

applying, by the O-DU to the O-RU, the specific TRx Control configuration receiving, by the O-DU from the O-RU, a notification with parameters based on applying the specific TRx Control configuration.

19 . The at least one non-transitory computer-readable recording medium as claimed in claim 15 , wherein the message comprises a policy indicating a specific TRx Control configuration.

20 . The at least one non-transitory computer-readable recording medium as claimed in claim 19 , wherein the setting the TRx Control configuration comprises:

processing, by the O-DU, the policy to obtain parameters of the TRx Control configuration.

applying, by the O-DU to the O-RU, the specific TRx Control configuration based on the obtained parameters; and

receiving, by the O-DU from the O-RU, a notification with parameters based on applying the specific TRx Control configuration.