186 results about "Active antenna" patented technology

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 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.

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.

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 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.

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.

Active antenna units and / or base station antennas are provided that include a reflector body with heat dissipation structures that can be directly exposed to environmental conditions during use. The heat dissipation structures have frequency selective surfaces and can be formed of sheet metal or provided as separate extruded or die cast members that can be coupled to the reflector body.

The utility model discloses an anti-interference active antenna device. The device comprises one or more signal receiving array elements, a metal base and an output port, the signal receiving array element comprises a passive antenna, a double-layer circuit board and an amplifier unit; the passive antenna is arranged above the double-layer circuit board, and the amplifier unit is arranged below the double-layer circuit board; the passive antenna is connected with the input end of the amplifier unit; the output end of each amplifier unit is connected with the output port; the amplifier unit comprises an amplitude limiter, a prefilter, an amplifier and a secondary filter which are sequentially connected in series; the metal base is provided with containing cavities with the same number as the amplifier units, and one containing cavity is used for containing one amplifier unit so as to shield interference signals. The passive antenna and the amplifier unit are respectively arranged above and below the double-layer circuit board, and the amplifier unit can suppress strong interference signals, so that the overall size of the antenna device can be reduced, and the anti-interference capability of the antenna is improved.

1. The name of the design product: active antenna. 2. The use of the design product: for receiving and sending signals, suitable for signal distributor or wireless microphone. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: perspective view 1.

The present disclosure describes a mounting pipe assembly. The mounting pipe assembly including an active antenna unit having an antenna and a radio mounted behind the antenna, and a radially offset mounting pipe. The mounting pipe having a first linear segment radially offset from a second linear segment by a transition segment and is configured to mirror a rear profile of the active antenna units. The active antenna unit is mounted to the radially offset mounting pipe via a plurality of mounting brackets. Related platform assemblies are also described herein.

A base station antenna comprises a reflector assembly and a first radiating element having a first feed stalk and a first radiator. A base of the first feed stalk is adjacent the reflector assembly and the first radiator is adjacent a distal end of the first feed stalk. A center of the first radiator is offset from the base of the first feed stalk in a longitudinal direction that is parallel to a longitudinal axis of the base station antenna.

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.

A method performed in a network node of a communication system for muting antenna elements of an active antenna system. The method comprises determining, based on a priori information relating to performance of the communication system, an antenna element separation between one or more pairs of active antenna elements of at least a subset of all active antenna elements of the active antenna system; and muting at least one antenna element such that the determined antenna element separation is obtained between each of the one or more pairs of active antenna elements of at least the subset of all active antenna elements.

This application discloses a downlink hybrid beamforming precoding method, apparatus, and active antenna unit (AAU). The method involves: obtaining a first channel estimation matrix from the uplink signals transmitted by a terminal device using antenna units connected to multiple digital receiving channels. This achieves uplink channel estimation in a single uplink channel measurement, reducing resource consumption compared to related technologies that require multiple analog beam switching measurements. Then, the analog beamforming weights are obtained from the hybrid digital-analog precoding matrix obtained through matrix decomposition. The channel estimation for the corresponding analog beam is removed from the first channel estimation matrix to obtain a second channel estimation matrix. Beamforming is performed based on the second channel estimation matrix to obtain the digital beamforming weights. Downlink hybrid beamforming precoding is then performed on at least one hybrid digital-analog transmit channel based on the digital and analog beamforming weights, reducing complexity and achieving superior hybrid beamforming performance.

Aspects herein provide methods and systems for utilizing a Rydberg sensor radio system, implemented as either an active antenna radio system or a passive antenna radio system. In these aspects, receiver portions of the active or passive system are replaced with a Rydberg sensor, which detects a modulated signal corresponding to radio frequency (RF) carrier signals. A laser wavelength in the Rydberg sensor may be selected to correspond to an RF operating frequency, and its orientation can be adjusted to align with a polarization of an arriving electromagnetic field. The Rydberg sensor can extract an in-phase component and a quadrature-phase component of the modulated signal. In active antenna radio system implementations, duplexers and filters can be removed to enable dedicated transmitter and receiver paths, while in passive antenna radio system aspects, the detected modulated signal is provided to the base station via an optical fiber.

A base station antenna comprises a reflector assembly and a first radiating element having a first feed stalk and a first radiator. A base of the first feed stalk is adjacent the reflector assembly and the first radiator is adjacent a distal end of the first feed stalk. A center of the first radiator is offset from the base of the first feed stalk in a longitudinal direction that is parallel to a longitudinal axis of the base station antenna.

A circuit structure for multiple antenna radio units (RUs), base stations (BSs), and satellite communications is provided. Different from the current main technology using the circuit structure of a single printed circuit board (PCB), the circuit structure in this present disclosure consists of multiple PCBs, and the required modules of the active antenna such as the antennas and RF components; the digital circuit such as the fronthaul interface module, digital processing module of communications, beamforming module, and baseband digital circuit module; and the power module in the RU, BS, and satellite communications are allocated into the multiple PCBs. By elaborately allocating those modules into the multiple PCBs, they can coordinate for achieving the required functionality, and the overall performance can be optimized. The circuit structure can also be used in Massive MIMO (Multiple-Input Multiple-Output) BSs such that the corresponding transmit power can be reduced as a green technology.

The utility model relates to a vehicle-mounted active antenna and system, and relates to the technical field of antennae, the vehicle-mounted active antenna comprises an antenna body, a signal processor, a gain module and a control module, a first signal end of the signal processor is used for being connected with an output end of an electronic control unit of a vehicle; a first signal end of the gain module is connected with a second signal end of the signal processor, and a second signal end of the gain module is connected with the antenna body; the input end of the control module is connected with the third signal end of the signal processor, and the gain adjustment output end of the control module is connected with the gain adjustment input end of the gain module. The control module can adjust the gain of the gain module based on the information output by the third signal end of the signal processor, so that the gain module can gain the information output by the second signal end of the signal processor based on the adjusted gain, thereby achieving the gain adjustment of the signal. Therefore, the communication quality of the antenna can be improved.

This application provides a sensing method, apparatus, and storage medium, relating to the field of communication technology, for achieving more refined communication sensing. The method includes: receiving sensing data from target active antenna units (AAUs), wherein the number of target AAUs is positively correlated with sensing requirements, the sensing requirements characterize the requirements of sensing services, and the sensing data represents the sensing data of the target object; and, if the sensing data of the target AAUs meets the sensing requirements, transmitting the sensing data of the target AAUs to a sensing network element.