Abstract: A radio access network control apparatus has at least one processor that performs: by a virtual infrastructure information acquisition unit, acquiring virtual infrastructure information from a virtual infrastructure that virtually manages a set of a plurality of radio access network nodes; and by a virtual infrastructure information provision unit, providing the virtual infrastructure information to the rApp through the R1 interface in the Non-RT RIC (Non-Real Time RAN Intelligent Controller) of the O-RAN. The virtual infrastructure information acquisition unit is provided in the SMO (Service Management and Orchestration) including the Non-RT RIC, and acquires the virtual infrastructure information from the virtual infrastructure through the O2 interface. The virtual infrastructure information includes information on at least one of configuration and telemetry of the virtual infrastructure.

Abstract: A method, apparatus, and system for Service Management and Orchestration (SMO) network energy saving (NES) using an O1 interface may be provided and may include, receiving, by a SMO of an Open Radio Access Network (O-RAN), NES information from at least one of a O-RAN Distributed Unit (O-DU) and a O-RAN Centralized Unit (O-CU) wherein the NES information includes capability exposing information received from an O-RAN Radio Unit (O-RU); determining, by the SMO based at least in part on the NES information, whether to activate an NES use-case; based on determining to activate the NES use-case, sending, by the SMO, a trigger to activate the NES use-case; and receiving, by the SMO, a first notification indicating a change in a state of the NES use-case.

Abstract: An apparatus includes an O-DU configured to receive from a radio unit (O-RU), configuration capability information via management plane (M-Plane) command from the O-RU. The O-DU receives, from a higher layer network function, a request to reconfigure an antenna array. The O-DU determines a sleep mode type supported by the O-RU based on the configuration capability information from the O-RU. The O-DU, based on the request to reconfigure the antenna array from the higher layer network function, and based on the supported sleep mode type, applies the supported sleep mode type via a C-Plane Section Type 4 message or a M-Plane command to the O-RU.

Abstract: A communication control apparatus that controls by time division duplex a communication network comprising a radio access network, a communication device capable of communicating with the radio access network, and a relay station that relays downlink communication and uplink communication between the radio access network and the communication device under the control of the radio access network, wherein the communication control apparatus includes at least one processor that performs, by a timing controller, controlling an uplink transmission timing of the relay station to the radio access network in the relay of the uplink communication to be after the timing at which an uplink processing delay of the relay station in the relay is added to an uplink reception timing of the relay station from the communication device in the relay.

Abstract: A method, apparatus, and system for Service Management and Orchestration (SMO) and distributed unit direct control network energy saving (NES) using an O1 interface may be provided and may include, 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 on 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 activating the TRx control configuration was successful.

Abstract: A method for optimizing antenna array model selection in a telecommunications network, the method includes sending, by a radio unit (O-RU) to a distribution unit (O-DU), antenna configuration capability information comprising at least one antenna array model parameter via management plane (M-Plane) messaging; receiving, from the O-DU, an antenna array configuration comprising at least one antenna array model parameter supported by the O-RU via control plane (C-Plane) messaging or M-Plane messaging, wherein the supported antenna array configuration is based on the antenna configuration capability information comprising at least one antenna array model parameter of the O-RU and a request to reconfigure the antenna array from a higher-layer network function; and based on the antenna array configuration comprising at least one antenna array model parameter supported by the O-RU, changing, by the O-RU, an antenna array model on top of a baseline antenna array configuration of the O-RU.

Abstract: A system for implementing a reconfiguration of one or more open cloud (O-Cloud) nodes within a O-Cloud infrastructure of a telecommunications network. The system includes a memory storing instructions; and a processor configured to execute the instructions to: obtain, by a federated O-Cloud orchestration and management (FOCOM) within the service management orchestration (SMO) framework, a request to reconfigure a O-Cloud node hosting at least one network function; send, by the FOCOM, a reconfiguration request for the O-Cloud node to the O-Cloud infrastructure via an O2 interface to an infrastructure management services (IMS); receive, by the IMS, the reconfiguration request for the O-Cloud node via the O2 interface, and control to implement the reconfiguration of the O-Cloud node; and upon implementation of the reconfiguration, send, by the IMS, a confirmation of the reconfiguration implementation to the FOCOM within SMO via the O2 interface.

Abstract: System and method for implementing advanced sleep modes in an O-RAN, the method includes collecting measurement data for training an AI/ML model; based on the collected measurement data, training an A/ML model and deploying the AI/ML model in the nRT-RIC; activating the trained AI/ML model in the nRT-RIC; monitoring energy optimization data for AI/ML model inference from an open radio unit (O-RU) via an E2 node; activating at least one advanced sleep mode (ASM) in the nRT-RIC; based on the activation of the ASM, collecting data to temporarily deactivate O-RU components; based on the activated AI/ML model and the ASM, evaluating, the collected data to temporarily deactivate O-RU components; based on the evaluating, requesting to initiate the ASM to the O-RU; based on the ASM initiation request, implementing the ASM, by the E2 node and the O-RU.

Abstract: A method, apparatus, and system for configuration management API's for radio access network (RAN) operation and maintenance (OAM) functions in R1 interface may be provided and may include, receiving, by an API producer, an HTTP request, wherein the HTTP request originates from an API consumer; determining, by the API producer, whether the HTTP request is valid or not based on whether the API consumer is authorized or not; based on determining that the HTTP request is valid, performing, by the API producer, a configuration management (CM) operation based on the HTTP request; and sending, by the API producer, an HTTP response based on the CM operation and whether the HTTP request is valid or not.

Abstract: A method performed by a processor executing a first application includes receiving, information regarding one or more sharing services registered by a second application. The method includes transmitting a subscription request to the one or more sharing services. The method includes receiving, over the interface from the second application in response to the subscription request, a subscription confirmation indicating a successful subscription to the one or more sharing services. The method includes transmitting, over the interface to the second application, a network function instantiation request that requests instantiation of a network function that utilizes the one or more network resources of the second network operator. The method includes receiving, in response to the network function instantiation request, a notification confirming that the network function is instantiated. The method further includes monitoring performance of the instantiated network function on the one or more network resources.

Abstract: Example embodiments of the present disclosure relate to Artificial Intelligence (AI)/Machine Learning (ML) model applicability mechanisms. According to example embodiments, a device may be configured to evaluate an applicability of an AI/ML model in relation to a mobile telecommunication network and then generate a report message that includes the evaluated applicability. Subsequently, the device may provide the report message to at least one Network Element (NE) of the mobile telecommunication network.

Abstract: A method and system for shutting down an Open Radio Access Network (O-RAN) Cloud (O-Cloud) node are provided. The method includes: receiving, by a FOCOM, a first request to drain an O-Cloud node, the first request being received from a user terminal or from a Non-Real-Time (Non-RT) RAN Intelligent Controller (RIC) based on analysis of O2 telemetry data; transmitting, by the FOCOM to an IMS via an O2 interface, a second request to drain the O-Cloud node based on the received first request; receiving, by the FOCOM, a third request to shut down the drained O-Cloud node, the third request being received from the user terminal or from the Non-RT RIC; transmitting, by the FOCOM to the IMS, a fourth request to shut down the O-Cloud node based on the received third request; and receiving, from the IMS, a notification that the O-Cloud node has been shut down.

Abstract: Example embodiments of the present disclosure relate to the provisioning of a policy for O-Cloud orchestration and management. According to example embodiments, a system may include a Non-RT RIC. The Non-RT RIC may be configured to generate a policy associated with an O-Cloud and provide the policy to at least one of an NFO and a FOCOM. The policy may be executable by the NFO/FOCOM for managing and orchestrating the O-Cloud, and may include at least one of: a capacity policy associated with a resource management operation associated with the O-Cloud, a scaling policy associated with a scaling operation associated with the O-Cloud, an energy-saving policy associated with an energy-saving operation associated with the O-Cloud and a healing policy associated with a healing operation associated with the O-Cloud.

Abstract: A method for optimizing antenna array model selection in a telecommunications network, the method includes sending, by a radio unit (O-RU) to a distribution unit (O-DU), antenna configuration capability information comprising at least one antenna array model parameter via management plane (M-Plane) messaging; receiving, from the O-DU, an antenna array configuration comprising at least one antenna array model parameter supported by the O-RU via control plane (C-Plane) messaging or M-Plane messaging, wherein the supported antenna array configuration is based on the antenna configuration capability information comprising at least one antenna array model parameter of the O-RU and a request to reconfigure the antenna array from a higher-layer network function; and based on the antenna array configuration comprising at least one antenna array model parameter supported by the O-RU, changing, by the O-RU, an antenna array model on top of a baseline antenna array configuration of the O-RU.

Abstract: Provided are apparatus, method, and device for automatically perform energy saving control in a network. According to embodiments, the apparatus may be configured to: transmit an energy saving capability request to a distributed unit (DU); receive, from the DU, an energy saving capability of a radio unit (RU) associated with the DU, wherein the energy saving capability may include at least one of: a plurality of sleep modes of an Advanced Sleep Mode (ASM) and a plurality of array modes of an antenna mask (TRX) control that can be performed by the RU, and wherein the energy saving capability may further include a capability range associated with the at least one of: the plurality of sleep modes and the plurality of array modes; select a value within the capability range; and transmit the selected value to the DU.

Abstract: A method for implementing a carrier and/or cell switch off/on optimization in an O-RAN based on an A1 policy, the method includes: deploying, by the NRT-RIC framework, a AI/ML model to the nRT-RIC; providing, by the rApp, an A1 policy to prepare and execute the cell and/or carrier switch off/on optimization through the NRT-RIC framework to the nRT-RIC; collecting, by the nRT-RIC, data to perform the cell and/or carrier switch off/on via the E2-interface from the O-RU via the E2 node; evaluating, by nRT-RIC, the collected data; generating, by the nRT-RIC, an E2 message and send, by the nRT-RIC, the E2 message to the O-RU via the E2 node; implementing, by the E2 node and the O-RU, the cell and/or carrier switch off/on optimization within the O-RAN; receiving, by the rApp, an A1 policy feedback through an NRT-RIC framework from the O-RU via the E2 node and the nRT-RIC.

Abstract: Example embodiments of the present disclosure relate to the provisioning of A1 Policy enhancement. According to example embodiments, a system may include a non-real-time (Non-RT) radio access network intelligent controller (RIC). The Non-RT RIC may be configured to generate an A1 policy executable by a near-real-time (Near-RT) RIC and provide the A1 policy to the Near-RT RIC. The A1 policy may include a scope identifier and a policy statement. The policy statement may include a policy type, a policy subtype, a policy objective, a policy resource, and a policy. The policy condition may be associated with at least one of the policy objective and the policy resource.

Abstract: An apparatus includes an O-DU configured to receive from a radio unit (O-RU), configuration capability information via management plane (M-Plane) command from the O-RU. The O-DU receives, from a higher layer network function, a request to reconfigure an antenna array. The O-DU determines a sleep mode type supported by the O-RU based on the configuration capability information from the O-RU. The O-DU, based on the request to reconfigure the antenna array from the higher layer network function, and based on the supported sleep mode type, applies the supported sleep mode type via a C-Plane Section Type 4 message or a M-Plane command to the O-RU.

Abstract: A system for providing real-time services and functions in an Open Radio Access Network (O-RAN) architecture, includes: a first physical node comprising at least one first processor configured to execute instructions to implement an O-RAN centralized unit (O-CU); at least one second physical node comprising at least one second processor configured to execute instructions to implement: an O-RAN distributed unit (O-DU), and a real-time (RT) RAN Intelligent Controller (RIC) connected to the O-DU via an interface terminating at the RT RIC and having a latency of less than 10 ms, wherein the RT RIC is a software platform configured to host applications for controlling at least the O-DU over a real-time control loop with a latency of less than 10 ms.

Abstract: In general, the current subject matter relates to target cell prioritization for layer 1/layer 2 triggered mobility (LTM). In some implementations, target cell prioritization for LTM can include receiving, at a serving distributed unit (DU) of a base station from a centralized unit control plane (CU-CP) of the base station, information indicating a handover priority ranking of a plurality of Layer 1/Layer 2 triggered mobility (LTM) target cells of a second DU of the base station, and selecting, at the serving DU and based on the received information, one of the plurality of LTM target cells for handover of service for a user equipment (UE) from the serving DU, and triggering the handover of the service for the UE from the serving DU to the selected target cell. Each of the plurality of LTM target cells from which the serving DU selects satisfies handover criteria.