607 results about "Radio unit" patented technology

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A control plane executing on the first server manages execution of both pods, in response to determining that a pod is no longer active on a server, activates the pod on the other server.

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.

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.

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.

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 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.

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 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.

Techniques for supporting non-terrestrial fronthaul network architectures are provided. In one example, a wireless network includes: a satellite comprising a radio unit; a satellite gateway in communication with the satellite; and a distributed unit located on Earth and in communication with the satellite gateway. Using ephemeris data for the satellite and the location of the gateway, maximum and minimum distances between the gateway and the satellite are determined for a time period when the satellite will be in line-of-sight communication with the satellite gateway. Based on the maximum and minimum distances, maximum and minimum propagation times for signals exchanged between the satellite and the gateway during the time period are determined. Using the maximum and minim propagation times, the distributed unit coordinates uplink and downlink transmission windows with the radio unit.

To provide a communication device capable of suppressing reception of erroneous data.SOLUTION: A communication device includes a control unit that interprets a CyclicRedundancyCheck (CRC) field and an acknowledgement (ACK) field in information data of a DigitalEnhancedCordlessTelecommunications (DECT) system as an information data CRC field in the information data, and a radio unit that transmits and receives a radio signal including the information data and information data CRC in the information data CRC field.SELECTED DRAWING: Figure 9

A technique for controlling a robotic swarm in an area (502) comprising a plurality of radio units (504, 506) for providing radio access to the robotic swarm is described. The robotic swarm comprises a plurality of swarm members (200; 1600; 1791; 1792; 1830). As to a method aspect of the technique, a vector field map (510) is determined (302). The vector field map (510) comprises velocity vectors indicative of a speed and a direction for navigating the swarm members (200; 1600; 1791; 1792; 1830) through the area (502). A deflection field (512) is determined (304). The deflection field (512) is indicative of a deflection for deflecting the swarm members (200; 1600; 1791; 1792; 1830) relative to the vector field map (510). The vector field map (510) and the deflection field (512) are transmitted (306) through the radio units (504, 506) to at least one of the swarm members (200; 1600; 1791; 1792; 1830) for controlling the motion of the at least one of the swarm members (200; 1600; 1791; 1792; 1830) in the area (502).

Techniques for supporting non-terrestrial fronthaul network architectures are provided. In one example, a wireless network system includes: a satellite comprising a radio unit; a distributed unit located on Earth that manages the radio unit; and a satellite gateway in communication with the distributed unit and the satellite. The satellite gateway is configured to: receive ephemeris data for the satellite; initiate a sequence of clock synchronization transmissions between the radio unit and the satellite gateway; and determine, using the ephemeris data and a location of the satellite gateway, a first propagation time for a first clock synchronization transmission and a second propagation time for a second clock synchronization transmission. Based on the propagation times, the satellite gateway generates and transmits a clock synchronization correction factor that the radio unit will use to determine an offset between clock signals of the radio unit and the distributed unit.

This invention relates to a DAS comprising a digital donor interface circuit, an RF donor interface circuit, a first DAS propagation path, a second DAS propagation path, and a radio unit and configured to obtain a first propagation time delay for the first DAS propagation path and a second propagation time delay for the second DAS propagation path, obtain at least one of a time delay of the RF donor interface circuit and the digital donor interface circuit, determine a first downlink time delay value, and transmit the first downlink time delay value to a delay adjustment circuit in a downlink path of the DAS.

Techniques for cluster failure management in telecommunications systems are provided. In one example, a cellular network includes: a base station comprising a radio unit; a first server in communication with the radio unit having a pod performing distributed unit functions and a control plane to manage execution of the pod executing thereon; a second server in communication with the radio unit; and an orchestration server system in communication with both servers. The orchestration server system executes an orchestrator application that monitors execution of the control plane and activates a new instance of the control plane on the second server in response to determining that the control plane is no longer executing on the first server.

Aspects of the present disclosure relate to techniques for signal compression. Certain aspects described in this disclosure can be implemented in a method for wireless communication by a distributed unit (DU). The method generally includes compressing at least one reference signal (RS) in one or more first set of resource elements (REs) of a symbol and data in one or more second set of REs of the symbol, wherein the at least one RS is compressed using a first compression type and the data is compressed using a second compression type, and wherein the first compression type is different than the second compression type; and sending, to a radio unit (RU), the symbol having the at least one RS in the one or more first set of REs and the data in the one or more second set of REs compressed using the first and second compression types, respectively.

The present disclosure relates to a pre-5th-Generation (5G) or 5G communication system to be provided for supporting higher data rates Beyond 4th-Generation (4G) communication system such as Long Term Evolution (LTE). According to various embodiments, a method performed by a Distributed Unit (DU) may include: generating configuration information for packets used in uplink data transmission of a plurality of Radio Units (RUs) providing a shared cell, and transmitting the configuration information for packets to an RU among the plurality of RUs through a fronthaul interface. The configuration information for packets may include information for indicating the number of per-packet Physical Resource Blocks (PRBs) for the uplink packets.

Aspects of the subject disclosure may include, for example, communicating management plane (M-plane) data at a first port of a radio unit (RU), the RU being one RU of a set of radio units (RUs) at a cell site of a network operator, the M-plane data related to management and control of the RU, wherein the communicating M-plane data comprises communicating the M-plane data with a distributed unit (DU) over an M-plane segment, and initiating communication of the M-plane data at a second port of the RU, the second port configured for data communication over an alternate M-plane segment to a second RU of the set of RUs for forwarding the M-plane data to the DU over a second M-plane segment between the second RU and the DU, wherein the initiating communication is in response to an interruption in the communicating M-plane data.Other embodiments are disclosed.

An electronic device of a radio unit (RU) is provided. The electronic device includes memory, including one or more storage media, storing instructions, at least one transceiver, and at least one processor communicatively coupled to the at least one transceiver and the memory, wherein the instructions, when executed by the at least one processor individually or collectively, cause the RU to receive, from a distributed unit (DU), through at least one transceiver of the electronic device, a configuration request message to configure a low-power mode that deactivates at least one component of the RU, the configuration request message including cycle information indicating a transmission cycle of a test request message, and counter information indicating the maximum number of transmissions of the test request message, after receiving the configuration request message control the at least one component of the RU to be deactivated, transmit, to the DU, the test request message for identifying a transition to a normal mode based on the cycle information, and activate the at least one component of the RU based on the number of transmissions of the test request message exceeding the maximum number of transmissions or an inspection response message indicating the normal mode is received.

Systems and methods for automating radio unit tasks is provided. An example method includes establishing, by one or more processors, a connection between an RU automation component and an RU at a cell site; obtaining, by the one or more processors, RU data associated with the RU; wherein the RU data includes data that identifies one or more RU configuration settings; determining, by the one or more processors, to perform one or more RU operations associated with the RU; and causing, by the one or more processors, the one or more operations to execute.

Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a radio unit (RU) may synchronize a clock to a local synchronization source. The RU may send, to a distributed unit (DU), a notification to switch to a synchronization topology that includes the DU in a synchronization chain based at least in part on losing synchronization between the clock and the local synchronization source. The RU may receive timing information from the DU responsive to the notification. The RU may synchronize the clock to the timing information received from the DU. Numerous other aspects are described.

Apparatus and methods for radio unit (RU) joint phase-time array (JPTA) capability for fronthaul communications. A method performed by a radio unit (RU) includes transmitting, to a distributed unit (DU) via a management-plane (M-plane) of a fronthaul interface, information indicating support for joint phase-time array (JPTA) beamforming, transmitting, to the DU, beamforming capability information associated with a frontend architecture of a transceiver of the RU, and receiving, from the DU, a JPTA configuration based on the beamforming capability information. The method further includes identifying a JPTA beam to apply based on the JPTA configuration and transmitting, to one or more user equipment (UEs), the JPTA beam.

A method performed by a system having a plurality of base stations, each base station system comprising a baseband unit (BBU) and a radio unit (RU) interconnected via a fronthaul connection that is shared between the base station systems. Fronthaul capacity information on transmission capacity of the shared fronthaul connection and information on required capacity for transmission and / or reception of wireless signals by the RU of the respective base station system are obtained. Time unit transmission restrictions for the respective base station system is determined based on the fronthaul capacity information and on the information on required capacity, which time unit transmission restrictions results in fronthaul usage below the transmission capacity of the part of the fronthaul connection. Information on the determined time unit transmission restrictions is sent to the BBU of the respective base station system.

Techniques for supporting non-terrestrial fronthaul network architectures are provided. In one example, a wireless network includes: a satellite comprising a radio unit; a satellite gateway in communication with the satellite; and a distributed unit located on Earth and in communication with the satellite gateway. Using ephemeris data for the satellite and the location of the gateway, maximum and minimum distances between the gateway and the satellite are determined for a time period when the satellite will be in line-of-sight communication with the satellite gateway. Based on the maximum and minimum distances, maximum and minimum propagation times for signals exchanged between the satellite and the gateway during the time period are determined. Using the maximum and minim propagation times, the distributed unit coordinates uplink and downlink transmission windows with the radio unit.

A method of generating and applying combining weights to Physical Uplink Shared Channel (PUSCH) symbols for Open Radio Access Network (O-RAN) fronthaul interface between O-RAN radio unit (O-RU) and O-RAN distributed unit (O-DU) includes: calculating, by the O-DU, a codebook; sending, by the O-DU, the codebook to O-RU; generating, by the O-RU, an RU combiner matrix, using the codebook; applying, by the O-RU, the RU combiner matrix to In-phase and Quadrature (IQ) data to generate compressed IQ data; sending, by the O-RU, the compressed IQ data to O-DU; calculating, by the O-DU, a DU combiner matrix from compressed demodulation reference signal (DMRS); and applying, by the O-DU, the DU combiner matrix to data.

Arrangements for performing cellular network timing are presented. A light base station which is to serve as a timing grandmaster can be assigned. The master light base station includes a radio unit (RU) and a router, but does not include an onsite distributed unit. The router of the light base station can include a global navigation satellite system (GNSS) receiver. The distributed unit (DU) for the light base station is hosted remotely at a local data center (LDC) that communicates with the master light base station via a network. The master light base station can generate a grandmaster timing signal based on a signal received by the GNSS receiver and a clock signal of a local oscillator. The master light base station can transmit the grandmaster timing signal to LDC that hosts the DU for the master light base station and other light base stations.