255 results about "Active antenna" patented technology

The embodiment of the invention provides a feed network, an antenna device, an active antenna unit and communication equipment, and the feed network controls the phase state of a phase shifter through light, does not need to use a control line, enables the feed network comprising the phase shifter to adopt an inverted microstrip structure, and reduces the insertion loss between a radio frequency channel and an antenna.

Certain aspects of the present disclosure provide a method for wireless communications at a user equipment (UE). The UE transmits capability information corresponding to one or more antenna modules of the UE to a network entity. The capability information may include a quantity of boresight directions associated with each antenna module of the one or more antenna modules. The UE may receive from the network entity, after the capability information is transmitted, an indication of a beam switch and / or an antenna module switch. The beam switch indicates a switch from an active beam to a target beam. The antenna module switch indicates a switch from an active antenna module to a target antenna module.

A transceiver device, including a multi-antenna feeder array and a reconfigurable intelligent surface (RIS), where the multi-antenna feeder array includes a plurality of active antennas configured to transmit electromagnetic radiation based on a data stream pre-coded with a pre-coder. The RIS includes a plurality of passive antennas, each passive antenna is configured to receive the electromagnetic radiation from the multi-antenna feeder array and to re-transmit the received electromagnetic radiation with a respective adjustable phase shift. The transmission from the plurality of active antennas of the multi-antenna feeder array to the plurality of passive antennas of the RIS is defined by a transmission matrix, where the multi-antenna feeder array is configured to generate the pre-coder based on one or more generalized eigenvectors of the transmission matrix.

A user equipment (UE) device may reside in a state of dual connectivity with a master cell group (MCG) and a secondary cell group (SCG), wherein the radio access technologies of the MCG and the SCG are different. While in the dual connectivity state, the UE device may transition to a mode of reduced activity (e.g., processing and / or RF activity) relative to the secondary cell group (SCG) in order to save power, e.g., when traffic flow via the SCG is below a threshold, or when scheduling activity on the SCG is low. Various mechanisms may be employed to reduce activity, e.g., mechanisms such as reduction of beam monitoring, deactivation of secondary cells of the SCG, reduction of number of active antenna elements, employment of longer periods for periodic measurement and reporting processes, etc.

The invention relates to an active antenna comprising a single-turn loop, for example an antenna for radio communications and / or electromagnetic field measurements. An active antenna according to the invention comprises: a first element (11), the first element being an electrical conductor; a second element (12), the second element being an electrical conductor; a third element (3), the third element being an electrical conductor, a first end of the third element being directly coupled to a first end of the first element and to a first end of the second element; and a differential amplifier having a positive input terminal coupled to a second end of the first element, a negative input terminal coupled to a second end of the second element, and a reference node coupled to a second end of the third element, an output port of the active antenna being coupled to an output of the differential amplifier.Figure for abstract: Figure 4.

A base station antenna includes a first antenna having first and second spaced-apart columns of first radiating elements therein, which are configured to operate within a first frequency band. An active antenna system (AAS) is provided, which is configured to operate within a second, typically higher, frequency band. The AAS includes a second antenna within a space between the first and second columns of first radiating elements. These first radiating elements may include tilted feed stalks which support higher integration by enabling the first radiating elements to overhang at least a portion of the second antenna.

A communication system according to the present disclosure includes: a base station apparatus including a plurality of Active Antenna Systems (AASs); and a management apparatus configured to be able to communicate with each of the plurality of AASs, in which the management apparatus is configured to notify each of the plurality of AASs of a common time and an Identification (ID) that is unique to each of the plurality of respective AASs, and each of the AASs is configured to perform downlink and uplink calibration within a predetermined period from a predetermined time that is defined by the common time and is periodically set in accordance with the ID allocated to each of the AASs.

Controlling carrier shutdown in a multicarrier cellular network includes a coverage cell in the multicarrier cellular network obtaining information about an active antenna unit (AAU) configuration of one or more capacity cells paired with the coverage cell. The coverage cell transmits information about a coverage cell load and a carrier borrowing capability of an AAU of the coverage cell to a paired capacity cell. And each paired capacity cell determines whether the carrier borrowing of the coverage cell meets the carrier turn-off entry condition of the capacity cell according to the carrier borrowing capability. The OFF carrier borrowing determines a capacity cell that satisfies the carrier OFF entry condition, while if the coverage cell determines that a carrier borrowing condition is satisfied, the coverage cell borrows a carrier of an OFF capacity cell using the AAU configuration of the capacity cell to activate a borrowed carrier.

A base station antenna includes a first antenna having first and second spaced-apart columns of first radiating elements therein, which are configured to operate within a first frequency band. An active antenna system (AAS) is provided, which is configured to operate within a second, typically higher, frequency band. The AAS includes a second antenna within a space between the first and second columns of first radiating elements. These first radiating elements may include tilted feed stalks which support higher integration by enabling the first radiating elements to overhang at least a portion of the second antenna.

The invention provides a virtual external field test system, which comprises an electromagnetic shielding cabinet and a plurality of compact fields in the electromagnetic shielding cabinet, each compact field is formed by a reflecting surface and a feed source, and the plurality of compact fields can move along an arc-shaped guide rail. Therefore, electromagnetic waves in different directions and at different angles are simulated to test the performance of the to-be-tested signal transceiver assembly. In addition, a wave-absorbing baffle plate is arranged between adjacent compact fields, and a wave-absorbing baffle plate is also arranged on the side surface of the feed source for preventing signal interference. According to the scheme, the miniaturization of the virtual external field test system is realized through the compact field in a scene that the number of the millimeter wave active antenna arrays is continuously increased, the occupied area of the virtual external field test system is effectively reduced, and the cost is saved.

The invention provides a communication networking method and device, and belongs to the technical field of communication, and the method comprises the steps that in a configuration stage, a baseband processing unit configures working modes of an active antenna unit according to network requirements, and the working modes comprise a communication mode and a sensing mode. In the application stage, the baseband processing unit indicates the transmitting module to transmit signals, and the receiving module receives the signals and transmits the signals back to the baseband processing unit for signal processing. And the baseband processing unit is also responsible for performing mode switching between the active antenna units so as to realize dynamic adjustment of communication and sensing functions. Through flexible configuration and dynamic switching of the working modes of the active antenna units, efficient cooperation of communication and sensing functions is realized, and the utilization rate of network resources and the overall performance of the system are remarkably improved.

A GNSS active antenna with improved performance in the presence of interfering signals is described. The GNSS active antenna meets the requirements of DO-301 for Airborne GNSS antennas when in normal operation. The GNSS active antenna also generates a low elevation null steered to any azimuth angle when in an environment with an interfering signal. The null has minimal performance impacts at higher elevation angles near zenith. The GNSS active antenna includes a right-hand circular polarized microstrip antenna with a concentric vertically polarized monopole antenna. The GNSS active antenna also meets the requirements of ARINC 743 antenna outline and mounting hole pattern.

Base station antennas include an externally accessible active antenna module releasably coupled to a target mounting structure behind a rear of a base station antenna housing using active antenna module mounting brackets that attach to the active antenna module, project rearward of the active antenna module and are configured to directly attach to a target mounting structure such as a pole. The base station antenna housing has a passive antenna assembly that cooperates with the active antenna module.

The invention provides a radome for a base station antenna and the base station antenna. The radome comprises a radome body and a back cover, the antenna housing body forms a first accommodating space with an opening and is used for accommodating a passive antenna unit of a base station antenna; the back cover seals the opening and forms a second accommodating space for accommodating at least part of active antenna units of the base station antenna; at least one of the antenna housing body and the back housing is provided with at least one first periodic pattern conductive layer with electromagnetic wave reflection performance at the parts corresponding to the two sides of the active antenna unit.

Methods and apparatuses for network operation adaptation in a spatial domain in a wireless communication system. A method for a user equipment (UE) to report channel state information (CSI) includes receiving: first information related to reception of CSI reference signals (CSI-RSs) on a cell, second information related to determining a first number of CSI reports respectively associated with a first number of operation states on the cell, third information related to triggering a second number CSI reports respectively associated with a second number of operation states from the first number of operation states, and the CSI-RSs based on the first information. An operation state is associated with a configuration for active antenna ports, antenna panels, or transmission reception points. The method further includes determining, based on the second information and the CSI-RSs, the second number of CSI reports and transmitting a channel with the second number of CSI reports.

The invention provides a base station awakening method, a base station dormancy method, a base station awakening device, a base station dormancy device, network equipment and a medium, and relates to the technical field of wireless communication. The base station wake-up method is applied to a first BBU, and comprises the following steps: receiving a first wake-up signal sent by a second BBU through a transmission link with the second BBU; according to the first wake-up signal, controlling a module in a sleep state of a target sleep level in the first BBU to enter a wake-up state; and sending a second wake-up signal to a first active antenna unit (AAU), the second wake-up signal being used for indicating a module in a sleep state of the target sleep level in the first AAU to enter a wake-up state, and the first AAU belonging to the first base station. According to the scheme of the invention, through the transmission link between the first BBU and the second BBU, the first BBU can receive the wake-up signal of the second BBU in the dormant state, thereby waking up the first BBU and the first AAU.

The application relates to a W-band digital active antenna array, which comprises a millimeter wave subarray plate, a bottom plate and a signal processing unit; the millimeter wave subarray plate comprises a multi-channel patch antenna array and an active circuit, the active circuit comprises a W-band TR chip and an up-down conversion chip; the bottom plate comprises a low-frequency connector, a secondary power supply and corresponding local oscillation and intermediate frequency interfaces; a radio frequency input signal is input through the interface of the bottom plate, is transferred to the millimeter wave subarray plate, is input into the conversion chip to realize up-down conversion, finally is input through the TR chip and the antenna array to realize W-band signal transceiving; the low-frequency interface of the bottom plate is connected with the signal processing unit, and control and power supply signals generated by the signal processing unit are connected to the millimeter wave subarray plate after passing through the bottom plate. The application designs a miniaturized W-band digital active array. Meanwhile, an extensible active subarray design concept is adopted, the combination of millimeter wave subarrays with different numbers is adopted, and the requirement of the number of array channels in different scenes is met.

An embodiment of the present application provides a method, apparatus, electronic device, and storage medium for extracting wireless channel characteristics, which relate to the field of communication technologies. The method includes: if it is determined according to preset configuration information that the target network is in the feature extraction period, determining the current feature extraction mode and the execution unit corresponding to the feature extraction mode; generating an extraction instruction corresponding to the feature extraction mode and sending the extraction instruction to the execution unit; the execution unit includes an active antenna unit AAU. Compared with the existing channel acquisition instrument, the embodiment of the present application can collect more comprehensive data, and is also more suitable for data extraction of large-scale networks. On the other hand, compared with the channel acquisition instrument, it is almost impossible to obtain the wireless channel characteristics in the vertical dimension, and it can obtain all channel characteristics including vertical and horizontal dimensions. On the other hand, it can reduce the instrument procurement costs of operators and equipment manufacturers and reduce the complexity of channel characteristic acquisition work.

Transceiver integrated circuit suitable for distributed placement across an active antenna unit. ICs with two serial data ports configured to transmit and receive aggregated signal-port IQ data packets with adjacent ICs within a subarray of ICs, or to a beamformer processor. A packet header inspection circuit may identify aggregated signal-port IQ data packets for local processing, and identify received aggregated signal-port IQ data packets for processing by another device.

The present disclosure proposes a link calibration method, device and storage medium, which are applied to a millimeter wave active antenna unit (AAU). The method includes: determining an intermediate frequency link, the intermediate frequency link corresponds to an intermediate frequency band, and calibrating the intermediate frequency link to obtain an intermediate frequency reference signal, and then obtaining a calibration signal to be tested, the calibration signal to be tested is associated with a target link corresponding to the millimeter wave active antenna unit AAU, the target link corresponds to a target frequency band, and determining a calibration compensation value corresponding to the calibration signal to be tested based on the intermediate frequency reference signal, and the calibration compensation value is used to calibrate the target link. As a result, the convenience of millimeter wave active antenna unit AAU link calibration can be effectively improved, the calibration efficiency of millimeter wave active antenna unit AAU link can be effectively improved, the calibration accuracy of millimeter wave active antenna unit AAU link can be effectively improved, and the construction cost of the millimeter wave active antenna unit AAU link calibration system can be effectively reduced, which is suitable for large-scale deployment of production lines.

The invention provides a large phased array device and a communication method. The device comprises a base band unit (BBU); the active antenna unit AAU comprises an AAU master controller and an AAU subarray; the BBU and the AAU master control are integrated on a single PCB (Printed Circuit Board); the BBU is in communication connection with the AAU master control through a PCB (Printed Circuit Board) microstrip line, and a communication interface between the BBU and the AAU master control is a CPRI (Common Public Radio Interface) or an eCPRI (Enhanced Common Public Radio Interface); the AAU master control and the AAU sub-arrays are in communication connection through a radio frequency coaxial cable. The base band unit BBU and the AAU master control are integrated on the single PCB, a base band and radio frequency physical layer fusion framework is achieved, the bandwidth upper limit is greatly increased, and a multi-beam large-bandwidth large-scale array is supported; the neutron irradiation resistance of the coaxial cable is far higher than that of optical fibers, the interface is simplified, and the reliability is multiplied; a low-cost commercial device can be selected as a chip high-speed interface of the AAU subarray.

The utility model belongs to the technical field of antennas, and provides a transmission module and a radio frequency active antenna, a main board end capacitance isolation unit is connected between a double-layer radio frequency coaxial line and a main board signal end, and the main board end capacitance isolation unit couples a grounding signal and a radio frequency signal into the double-layer radio frequency coaxial line. The antenna end capacitance isolation unit is connected between the double-layer radio frequency coaxial line and an antenna signal end, the antenna end capacitance isolation unit separates a grounding signal and a radio frequency signal from the double-layer radio frequency coaxial line, and the mainboard end inductance isolation unit couples two control signals with opposite polarities into the double-layer radio frequency coaxial line. Two control signals with opposite polarities are separated from the double-layer radio frequency coaxial line by the antenna end inductance isolation unit, so that transmission of radio frequency signals between a mainboard signal end and an antenna signal end is realized, and the problem that different signal transmission needs to be performed through a plurality of transmission lines for signal transmission between an existing active antenna and a radio frequency mainboard is solved. And the wiring is scattered.

This invention discloses a low-altitude sensing system and its trajectory fusion method. The low-altitude sensing system includes a low-altitude management platform and a sensing base station system. The sensing base station system includes a baseband unit and an active antenna unit. The active antenna unit detects low-altitude flying targets and generates raw trajectory data containing the longitude, latitude, altitude, speed, and trajectory identifier of the detected targets. The baseband unit performs real-time correlation, deduplication, and trajectory fusion processing based on a multi-level cache queue on the raw trajectory data to obtain fused trajectory data, which is then reported to the low-altitude management platform. The low-altitude management platform visualizes the trajectory data reported by the baseband unit. This invention solves the problem of unstable and easily changing target trajectory identifiers (TrackId) under asynchronous sensing data from multiple AAUs. By using weighted election and a multi-level caching mechanism, this invention outputs a continuous, stable, and reliable unified trajectory, improving the accuracy and robustness of low-altitude target tracking.

Embodiments can include, for example: an antenna structure including one or more antenna patch structure. The one or more antenna patch structure can include an active antenna element and / or a parasitic antenna element.

A user equipment includes a plurality of antenna panels, at least one processor, and at least one memory including computer program code. The at least one memory and the computer program code are configured, together with the at least one processor, to cause the user equipment to: identify a potential change in the active antenna panel at the user equipment from a first antenna panel among the plurality of antenna panels to a second antenna panel among the plurality of antenna panels; and send at least one early panel handover detection message indicating the potential change in the active antenna panel to a base station serving the user equipment.

1. The name of the design product: active module of antenna. 2. The use of the design product: the product as a whole is used for active antenna receiving and sending signals, and locally for electronic module of antenna. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: perspective view 1. 5. Other circumstances that need to be explained: this application is a partial design patent application, and the part not covered by blue is the partial protection.

Systems and methods are described for connecting with LEO satellites while reducing emissions toward GEO satellite communications. A system to implement the instant techniques may include a system comprised of a user communications equipment and a LEO constellation. The user equipment (“UE”) may comprise a communications modem and an active antenna unit with a transmit and receive beamformer. In further implementations, the UE may include additional receive only beamformers. The LEO constellation can have a regenerative payload or bent pipe, and can include orbits at different altitudes. Methods as described herein may include a procedure by which the user equipment and LEO satellite work together to identify candidate serving satellites, and select the one that allows to meet the power density requirements to avoid interfering with the GEO satellites.

An active antenna disclosed by the present invention comprises an antenna support, an antenna body and a tuning device, the antenna body is arranged on the antenna support, and the antenna support is provided with a plurality of tuning circuit conductive circuits. The tuning device is electrically connected with the tuning circuit conducting circuit in a surface mounting manner to form a tuning circuit and is electrically connected with the antenna body, and the tuning circuit dynamically adjusts the impedance of the active antenna. Quality detection of antenna products is facilitated, debugging development time is shortened, antenna size is reduced, and antenna efficiency is improved.

The present invention discloses a "sandwich" active array antenna system architecture in the field of antennas, comprising a ceramic active antenna board, a ceramic wave control board, and a metal heat dissipation cold plate. The ceramic active antenna board has an antenna mounted on its top surface, an active transceiver circuit and a feed network arranged internally, and a plurality of interface pads for port connections arranged on its bottom. The bottoms of the ceramic active antenna board and the ceramic wave control board are each mounted with a plurality of chips, and the ceramic wave control board has a beam control circuit and a secondary power supply circuit arranged internally. The metal heat dissipation cold plate is fixed between the ceramic active antenna board and the ceramic wave control board, and a first cavity window is formed on its surface corresponding to the chip of the ceramic active antenna board, and a second cavity window is formed on its surface corresponding to the interface pad. A third cavity window is formed on the surface of the ceramic wave control board corresponding to the second cavity window. The present invention has the characteristics of being thin, light, having low signal transmission loss, and having good heat dissipation.

In order to estimate the energy consumption in a radio access network (RAN), each carrier in each of a remote radio unit (RRU) and / or an active antenna unit (AAU) in the RAN reports an energy consumption related parameter of the carrier to a main carrier of the RRU or the AAU, and in order to estimate the energy consumption in the RAN, each carrier in each of the RRU and / or the active antenna unit (AAU) in the RAN reports an energy consumption related parameter of the carrier to the main carrier of the RRU or the AAU. Each primary carrier uses a local artificial intelligence (AI) or machine learning (ML) based energy consumption estimator to create a local mapping between the energy consumption related parameters and the energy consumption of the RRU or the AAU using the reported energy consumption related parameters of the carrier. Then, each primary carrier reports the local mapping to an optimization node that creates a generic mapping between the energy consumption related parameters and the energy consumption of all the RRUs in the RAN and / or the AAU using a generic AI and / or ML based energy consumption estimator.