768 results about "Radio unit" patented technology

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.

Techniques for cluster failure management in telecommunications systems are provided. In one example, a cellular network includes: a first radio unit (RU) that supports a first cell of the network, a second RU that supports a second cell, and a server system in communication with both RUs. The server system comprises a first server and a second server. A first pod acting as a distributed unit for the first RU is active on the first server and instantiated on the second server. A second pod acting as a distributed unit for the second RU is instantiated on the first server and active on the second server. A control plane executing on the first server manages execution of both pods, in response to determining that a pod is no longer active on a server, activates the pod on the other server.

Systems, devices, and automated processes are described to provide collection of wireless network status data, such as a 5G or other mobile network, and to automatically respond to queries regarding the status of the network. Systems and automated processes may obtain status data from a plurality of network components, for example a radio unit (RU), a distributed unit (DU), and a centralized unit (CU) associated with a cell site, ingest the obtained status data, including processing the status data with a machine learning model system, store the ingested status data in a data store, receive a user query related to the network, ingest the received user query using the MLM system, retrieve a result corresponding to the ingested query from the data store using the MLM system, generate, using the MLM system, a summary of the retrieved status data, and present the generated summary via a user interface.

An example communication system includes a distributed unit of a fronthaul communication system architecture, wherein the distributed unit is in communication with a core network of the communication system, a radio unit of the fronthaul communication system architecture, wherein the radio unit is electrically coupled with at least one cellular antenna, and the radio unit is configured to transmit and receive wireless cellular signals, and a wireless communication link between the distributed unit and the radio unit. The wireless communication link includes a first system-on-chip (SoC) device electrically coupled with the radio unit, and a second SoC device electrically coupled with the distributed unit, wherein the first SoC device and the second SoC device are configured to wirelessly transmit communication signals between the radio unit and the distributed unit at a frequency of at least sixty Gigahertz.

Systems, devices, and automated processes are described to provide collection of wireless network status data, such as for a 5G or other mobile network, and to automatically created user interactable dashboards providing various status information regarding the operation of the network. Systems and automated processes may obtain status data from a plurality of network components, for example radio units (RU), distributed units (DU), and centralized units (CU) associated with a cell sites, determine an operational state for each of the network components based on the obtained data, aggregate the determined operational states to determine an operational state of the cell sites, generate a dashboard having an indication of the operational states, provide the dashboard to a user interface, receive a user selection from the dashboard, and provide a report detailing the determined operational state.

Methods, systems, and devices for wireless communication are described. Some wireless communications network may operate in accordance with an open-RAN (ORAN) network specification which may support functional splitting between the ORAN distributed unit (O-DU) and the ORAN radio unit (RU). The O-DU may communicate with the O-RU using control messaging. The control message may include a resource resource element (RE) mask and a resource symbol mask, the resource RE mask indicating frequency resources to be allocated for a reference signal transmission across a set of antenna ports and the resource symbol mask indicating time resources to be allocated for the reference signal transmission. Additionally or alternatively, the O-DU may transmit a control message including a puncturing resource RE mask indicating frequency resources for applying a puncturing pattern and a symbol mask indicating time resources for applying the puncturing pattern during a transmission.

A method and device for testing a base station comprising one or more radio units and a baseband unit connectable to the one or more radio units, wherein the device includes a configuration module configured to generate a first test case configuration associated with the one or more radio units and the baseband unit, where the first test case configuration includes a first protocol stack including a first protocol associated with a first layer and a second protocol associated with a second layer, and where a first set of protocol parameters associated with the first protocol is in a first namespace and a second set of protocol parameters associated with the second protocol is in a second namespace that is distinct from the first name space.

The present disclosure describes a method, and a system to identify call flows in Radio Unit (RU) or Centralized Unit (CU) and Distributed Units (DU) for cell-to-pod remapping. The method comprising receiving call flow traffic data of a plurality of DUs from an associated CU. Subsequently, the method comprises determining a first DU and a second DU among the plurality of DUs based on the call flow traffic data. Thereafter, the method comprises determining a new configuration for each of the first DU and the second DU based on at least one of the call flow traffic data, historical data, and pre-determined rules using a prediction model. Lastly, the method comprises transmitting the new configuration for each of the first DU and the second DU to the associated CU for remapping of a RU.

One embodiment is a system having a master unit coupled to first and second base station sources having different OTA frame boundary timings, where an access point coupled to the master unit receives fronthaul data for the first and second base station sources, determines a common OTA frame boundary timing, and aligns OTA symbols and frames for the first and second base station sources to the common OTA frame boundary timing. Another embodiment is a system having a base station synchronized with a timing grandmaster and a master unit, synchronized with the timing grandmaster, coupled to the base station. The master unit determines the time of day using the synchronization, identifies a system frame and subframe number using the time of day, acquires configuration information for communications with the base station using the system frame and subframe number, and identifies frame boundary timing using the configuration information.

Apparatuses, systems, and techniques to perform dynamic mapping between one or more Open Radio Access Network (O-RAN) radio units (RUs) and one or more O-RAN distributed units (DUs). For example, processors or computing systems to perform switching of mappings between open radio unit (O-RU) and open distributed unit (O-DU) in an open radio access network (O-RAN). In at least one embodiment, a processor including circuitry performs a program to cause reassigning of mappings between radio unit (RUs) and distributed unit (DUs) without the need of restarting or reconfiguration of RUs and / or DUs in an O-RAN network.

A method for wireless communication performed by a distributed unit (DU) includes receiving, from a radio unit (RU), a management-plane message including information about a control-plane message supported by the RU, generating, based on the management-plane message, a first control-plane message including a field indicating a first user equipment identifier (UE ID) and a first section extension field, and transmitting, to the RU through a fronthaul interface, the first control-plane message during a time period longer than a slot. The first section extension field includes a parameter indicating a number of UE IDs of a user associated with the first UE ID.

Various arrangements of a hybrid cellular network system are detailed herein. The system can include a cellular radio access network (RAN) comprising a plurality of base stations (BSs). Each BS can include an antenna, a physical router; a radio units (RU), and a distributed unit (DU). The system can include multiple pass-through edge data centers (P-EDCs). Each P-EDC is in communication with a different subset of BSs. The system can include an aggregation data center (ADC) in communication with the P-EDCs. The system can further include a breakout edge data center (EDC) executed at an EDC of a cloud computing platform, the B-EDC including a second transit gateway and a virtual router.

A network node in a communications network can be configured to provide a radio unit, RU The network node can determine (1240) a symbol pattern that the RU is capable of using to transmit a signal-to-interference-plus-noise, SINR, report to a distributed unit, DU. The network node can transmit (1250) an indication to the DU of the symbol pattern that the RU is capable of using to transmit the SINR report to the DU. The network node can transmit (1260) the SINR report to the DU using the symbol pattern.

A method performed by an open radio access network (O-RAN) distributed unit (O-DU) in a wireless communication system, the method includes: generating a control plane message comprising User Equipment (UE) scheduling information; and transmitting the control plane message to an open radio access network (O-RAN) radio unit (O-RU). The control plane message further includes section extension information. The section extension information comprises bit masking information indicating antennas to be combined.

According to embodiments, a method performed by a distributed unit (DU) may involve: transmitting, to a radio unit (RU), a first control plane message including section extension information for indicating the number of one or more signal-to-interference-plus-noise-ratio (SINR) values for each physical resource block (PRB) corresponding to a frequency resolution of an SINR report by the RU; and receiving, from the RU, a second control plane message including section type information for indicating the one or more SINR values according to the frequency resolution and the number of the one or more SINR values for each PRB.

Apparatuses, systems, and techniques to perform an application programming interface (API) to cause configuration information of one or more radio units to be stored. In at least one embodiment, configuration information is obtained based, at least in part, on one or more values received from at least one of said radio unit(s) and said configuration information is used to enable communication between said radio unit(s) and one or more distribution units.

According to various examples, a radio access network controller is described comprising a processor configured to determine whether a mobile terminal is located at a center region of a radio cell of a communication network or an edge region of the radio cell, and control the communication network to serve the mobile terminal by a plurality of radio units of a plurality of radio cells using coherent joint transmission by allocating the same time, frequency, code and spatial resources, if the processor determines that the mobile terminal is in the edge region of the radio cell and control the communication network to serve the mobile terminal by one radio unit of the radio cell using single-cell processing if the processor determines that the mobile terminal is in the center region of the radio cell.

In one embodiment, a method is disclosed for port reduction, comprising: calculating, at a distributed unit (DU), beamforming weights based on received DMRS channel estimates; sending the calculated beamforming weights to a radio unit (RU); applying, at the RU, port reduction to DMRS symbols based on the calculated beamforming weights; compressing IQ data and received DMRS symbol data to compensate for an underlying bandwidth increase, thereby enabling beamforming at the RU. PUSCH data may be compressed. Beamforming weight calculations may be performed in the O-DU. Beamforming weight calculations may be provided to the L2 scheduler. BFP format compression may be performed. Channel information may be compressed for non-signal data. DMRS compression may be performed at the CU. The DMRS pattern may be received from the control plane. An equalizer weight calculation may be performed to merge a plurality of CSI estimates from different RUs for a given user to calculate joint equalization. The method may further comprise applying, at the RU, port reduction to both PUSCH and DMRS symbols. Beamforming may be performed for uplink, for downlink, or both.

Systems, methods, and machine-readable media facilitate adaptive beamforming in a cellular network. One or more signals indicative of one or more locations of a first set of one or more radio units and / or a first set of user equipment may be processed. A first set of beamforming specifications may be determined based at least in part on the one or more locations of the first set of one or more radio units and / or the first set of user equipment. The first set of beamforming specifications may correspond to a first set of one or more beamforming patterns. The first set of beamforming specifications may be communicated to instruct the first set of one or more radio units to direct signal transmission in conformance with the first set of one or more beamforming patterns.

Technologies for shared radio unit architectures supporting dynamic temporary resource allocation are described. One method includes identifying unused resources to be temporarily provided by a source guest operator of a plurality of guest operators of a telecommunications network, wherein each guest operator of the plurality of guest operators shares a radio unit provided by a host operator of the telecommunications network, identifying at least one destination guest operator of the telecommunications network, and temporarily allocating at least a portion of the unused resources to the at least one destination guest operator.

A radio frequency power amplifier includes three amplification branches. Two amplification branches have narrow working frequency bands and respectively work on a frequency band A and a frequency band B. The other amplification branch works in a frequency band A and the frequency band B. The radio frequency power amplifier also includes an inter-frequency power division circuit and two circulators. The inter-frequency power division circuit performs inter-frequency power division on an output signal of a wideband amplification branch to output two paths of narrowband signals, and the two paths of narrowband signals are output after being subject to power combination with output signals of each narrowband amplification branch by the circulators.

A method performed by means of a distributed unit (DU) is provided. The method includes after a control plane (C-plane) message including control information is transmitted, and generating a user plane (U-plane) message including modulation compression information and modulated and compressed data configured as a section, transmitting, to a radio unit (RU), the U-plane message through a fronthaul interface, wherein the modulation compression information includes a flag for indicating whether constellation is moved, and scale information for indicating a scaler value.

A cellular base station antenna assembly includes: a telecommunications antenna with plurality of first communication ports mounted on a rear surface thereof; a remote radio unit mounted to the antenna having a plurality of second communication ports on a lower surface thereof; and an adapter configured to connect the remote radio unit to the antenna, the adapter including a housing, a first clustered connector that includes a plurality of individual first connectors, the first clustered connector being mounted on a lower portion of the housing, the adapter further including a plurality of second connectors mounted on an upper surface of the housing, each of the first connectors being connected with a respective second connector. Each of the second connectors is mated with a respective second communication port, and each of the first connectors is mated with a respective first communication port.

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; an O-RAN radio unit (O-RU); at least one third physical node comprising at least one third processor configured to execute instructions to implement a non-real-time (Non-RT) RIC operating at a time scale of greater than 1 second; and at least one fourth physical node including at least one fourth processor configured to execute instructions to implement a near-real-time (Near-RT) RIC operating at a time scale of 10 ms to 1 second, 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.

The invention provides an RRU selection method, and relates to the technical field of communication. According to the specific implementation scheme, first information corresponding to each radio remote unit RRU is determined, and the first information comprises peak power and / or time advance TA; and determining a target RRU group according to the first information corresponding to each RRU, the RRU in the target RRU group being an RRU selectable by the user equipment. Therefore, by determining the peak power and / or the time advance of each RRU, the user equipment can be helped to select the optimal RRU for connection in the moving process, so that better coverage and communication quality are realized. The user equipment can intelligently select the optimal RRU so as to ensure stable communication and good user experience. Therefore, by determining the target RRU group, the user equipment can perform intelligent RRU selection and switching according to the collected RRU information, thereby improving communication efficiency, reducing interference and optimizing user experience.

After a server for implementing a plurality of layers of a radio-based application has been powered on at a location external to a cloud computing environment, connectivity between the server and a monitoring service of a cloud computing environment is verified. Network functions of a radio unit, a distributed unit, a centralized unit, and a core network layer are all executed at the server with respect to a message received from a user equipment device. Status information of the server, collected from the server by the monitoring service, is presented via a programmatic interface.

A device can include communication circuitry to communicate with radio units (RUs) over a fronthaul (FH) interface. The device can include a processor coupled to the communication circuitry to receive, over the communication interface, an indication of a number of multiple-input multiple-output (MIMO) layers to be scheduled, and information identifying the one or more RUs. The processor can assign a number of streams to the one or more RUs based on the number of MIMO layers. The processor can provide the assigning to the number of RUs over the FH interface.

A system for configuring a Time Division Duplexing (TDD) configuration in an Open Radio Access Network (O-RAN) is disclosed. The system includes a set of Service Management and Orchestration (SMO) devices comprising a first SMO device, a second SMO device, and a governing SMO device. The governing SMO device receives respective Open Radio Unit (O-RU) location information and O-RU deployment information from each of the first and second SMO devices. The governing SMO device determines a distance between a first base station and a second base station. The governing SMO determines a propagation delay corresponding to a guard time based on the distance. The governing SMO determines a recommended Time Division Duplexing (TDD) configuration based on the guard time. The governing SMO communicates the recommended TDD configuration to at least one of the first SMO device or the second SMO device.

A method (400) is disclosed. The method includes establishing (402), at an Open Radio Access Network (O-RAN)-Radio Unit Controller (O-RU Controller), a session with an O-RU. In response to establishment of the session, the method includes configuring (404), at the O-RU controller one or more Media Access Control security (MACsec) configuration parameters for the O-RU. The one or more MACsec configuration parameters comprises at least a pre-shared key. The method also includes generating (406), at the O-RU controller, using a random number generator, at least one of a Secure Authentication Key (SAK) and a Key Encryption Key (KEK) based on the pre-shared key. Moreover, the method includes transmitting (408), from the O-RU controller to the O-RU, at least one of the one or more MACsec configuration parameters and the at least one of the SAK and the KEK.

Techniques and apparatus for radio frequency (RF) exposure compliance based on subband transmit power limits are described. An example method that may be performed by a wireless device includes determining a transmit frequency band of at least one radio of the wireless device for transmission of a signal having an operating transmit frequency in the transmit frequency band. A transmit power limit associated with a subband in the transmit frequency band is determined based at least in part on the transmit frequency band. The operating transmit frequency of the signal is in the subband. The signal is transmitted using the at least one radio at a transmit power determined based at least in part on the transmit power limit in compliance with an RF exposure limit.