80 results about "Multiple antenna" patented technology

According to various embodiments, an electronic device may include multiple antennas, at least one antenna tuning circuit connected to at least one antenna among the multiple antennas, and at least one communication processor, wherein the at least one communication processor receives, through a first antenna among the multiple antennas, a signal transmitted from a base station based on multiple-input and multiple-output (MIMO), receives, through a second antenna among the multiple antennas, a signal transmitted from the base station based on the MIMO, and when a strength of a first signal received through the first antenna or a strength of a second signal received through the second antenna is equal to or greater than a first threshold value, determines whether an imbalance condition of the first signal and the second signal is satisfied, and adjusts, when the imbalance condition is satisfied, a setting value of the at least one antenna tuning circuit so as to reduce a difference between the strength of the first signal and the strength of the second signal. Various other embodiments are possible.

Methods, systems, and devices for wireless communications are described. A UE may obtain, via an application program interface (API), an indication of an application type of an application at the UE and information including an indication of performance requirements associated with the application, an indication of a traffic type associated with the application, an indication of whether the performance requirements are being met, an indication of quality of service (QoS) information associated with a packet data unit (PDU) session established for communication by the application, an indication of a network slice associated with the PDU session, an indication of a power consumption of the UE, an indication of whether a power budget of the UE is being met, or any combination thereof. The UE may communicate one or more wireless signals via a subset of multiple antennas of the UE based on the application type or the information.

This invention discloses a method and system for separating AIS aliasing signals using a four-circular array antenna. The steps are as follows: S100: AIS signals are received through multiple antennas to obtain the spatial baseband signal matrix X, and the phase error Δφ is calculated using interval calculation. k S200: Calculate the phase compensation matrix p; S200: Compensate the baseband signal according to the phase compensation matrix to obtain the baseband signal X. comp S300: For baseband signal X comp By expanding the spatial and temporal dimensions, we obtain the spatiotemporal snapshot matrix X. st (t); S400: The covariance matrix R is obtained by estimating the spatiotemporal snapshot matrix. xx S500: For the covariance matrix R xx Eigenvalue decomposition is performed to obtain the signal subspace and noise subspace; S600: DOA estimation is performed using the MUSIC algorithm to construct the spatial spectrum P(θ); S700: The beam w at the optimal solution is obtained using the space-time constrained minimum variance algorithm; S800: The separated signal is output through the sparse separation method of protocol features. This method can significantly improve the availability of AIS self-organizing network and provide more reliable protection for ship navigation safety.

The utility model provides a kind of conformal phased array antenna and system, conformal phased array antenna includes: conformal carrier, set on vehicle body structure, the structure of the conformal carrier is matched with the vehicle body structure;Antenna array, including multiple antenna units distributed in array, set on the first surface of the conformal carrier;Chip array, including multiple radio frequency chips distributed in array, the radio frequency chip is set on the second surface of the conformal carrier, is connected with the antenna unit, through with vehicle body structure matched conformal carrier on setting antenna unit and chip array, it can increase the coverage range of radar antenna beam, significantly improve the multi-target tracking performance of radar under complex traffic environment, improve the security of intelligent driving.

This invention provides a conformal antenna array capable of radiating vortex waves and its usage method, comprising a cylindrical conformal support bracket with multiple through holes on its upper surface. An antenna support column is axially movable within each through hole, and the antenna support column is detachably connected to the conformal support bracket via a connector. An antenna element is located at one end of the antenna support column outside the conformal support bracket, and the antenna element is connected to a power divider via a coaxial line. The projection of the multiple antenna elements outside the conformal support bracket onto a horizontal plane is polygonal. Each antenna element includes a first metal sheet, a dielectric substrate, and a second metal sheet stacked from top to bottom. Isolation holes are formed on the second metal sheet and the dielectric substrate, and non-metallic through holes are provided within these isolation holes. A coaxial line passes through the non-metallic through holes and connects to the first metal sheet. Phase modulation is achieved by adjusting the height of the antenna element, providing a simple and effective means for antenna beamforming and vortex mode number variation design, avoiding the complexity and high cost of traditional complex feed networks.

This application provides a ranging method and apparatus. The method includes: acquiring first measurement information and second measurement information, wherein the first measurement information includes multiple sets of sampled data obtained by sampling back-reflection measurement signals received by a first device through multiple antenna channels of a single antenna, and the second measurement information includes multiple sets of sampled data obtained by a second device through measurement signals received by each antenna through multiple antenna channels of a multi-antenna system; and determining the distance between the first device and the second device based on the first and second measurement information. This scheme, based on multi-antenna frequency hopping for ranging, not only ensures that the ranging delay meets requirements but also improves the accuracy and robustness of the ranging.

This disclosure provides systems, methods, and devices for wireless communications that support multiple antenna operation. In a first aspect, an apparatus for wireless communications includes an amplifier module comprising a first input node, a second input node, a first output node, a second output node, and a third output node, with the amplifier comprising a first processing path configured to couple the first input node to the first output node; and a second processing path configured to couple the second input node to the second output node in a first mode and to couple the second input node to the third output node in a second mode. Other aspects and features are also claimed and described.

The application provides a sensing method and a communication device, and belongs to the technical field of communication, so as to reduce sensing overhead. The method comprises the following steps: receiving a first sensing signal through multiple antennas to estimate the arrival angle information associated with a target of interest, and using the mutual exclusivity between the arrival angle of the sensing signal received by the multiple antennas and the departure angle of the sensing signal sent by the multiple antennas, taking the arrival angle information associated with the target of interest as prior information, and selecting an antenna from the multiple antennas for sending the sensing signal of the target of interest. That is, the departure angle information does not need to be estimated by all the multiple antennas sending signals, and all the multiple antennas do not need to be used for sending the sensing signal of the target of interest, so that the occupation of the antennas and the occupation of the sensing signal on the time-frequency resource can be reduced, that is, the overhead of the communication resource used for sensing can be reduced.

In some implementations, a user equipment (UE) may transmit communication state information for multiple antenna panels of the UE, wherein the multiple antenna panels are mechanically displaceable relative to each other, and wherein the communication state information is based on relative mechanical displacements between the multiple antenna panels. The UE may communicate, via at least one antenna panel of the multiple antenna panels, one or more signals in accordance with the communication state information.

This system utilizes inter-cell multiplexing gain through spatial processing of wireless communication networks. [Solution] A multiple antenna system (MAS) with multi-user (MU) transmission ("MU-MAS") that increases the capacity of a wireless communication network by utilizing inter-cell multiplexing gain through spatial processing. Over the past 30 years, the wireless cellular market has experienced a global increase in subscriber numbers, as well as a demand for better services shifting from voice to web browsing and real-time HD video streaming. This increasing demand for services requiring higher data rates, lower latency, and improved reliability has driven the rapid evolution of wireless technology through different standards.

An antenna tuner receives outputs of detectors coupled to an input and / or an output of each power amplifier (PA) of a plurality of PAs of a multiple antenna system. A processor of the antenna tuner is configured to process the detector outputs and to generate at least one of a gm gate bias value and a cascode gate bias value to be applied to gm and cascode gates, respectively, of a last stage of each of the PAs to change the shape of an input amplitude-to-output amplitude (AM-AM) response of each of the PAs independently of one another. The processor can also be configured to process the detector outputs to generate a varactor bias value to be applied to a terminal of a varactor of each of the PAs to change the shape of an input amplitude-to-output phase shift (AM-PM) response of each of the PAs independently of one another.

The application provides a random access method, device and system. In the method, a terminal device receives first indication information, the first indication information indicating a first random access time-frequency resource, the first random access time-frequency resource being used for initiating random access, and the terminal device sends random access information through multiple antenna ports on the first random access time-frequency resource, thereby providing a basis for network equipment to schedule multiple-flow data based on a channel estimation result of the multiple antenna ports, and improving data transmission performance.

Methods, systems, and devices for wireless communications are described. A UE may obtain, via an application program interface (API), an indication of an application type of an application at the UE and information including an indication of performance requirements associated with the application, an indication of a traffic type associated with the application, an indication of whether the performance requirements are being met, an indication of quality of service (QoS) information associated with a packet data unit (PDU) session established for communication by the application, an indication of a network slice associated with the PDU session, an indication of a power consumption of the UE, an indication of whether a power budget of the UE is being met, or any combination thereof. The UE may communicate one or more wireless signals via a subset of multiple antennas of the UE based on the application type or the information.

This invention relates to the field of millimeter-wave radar and discloses a millimeter-wave antenna. The millimeter-wave antenna of this invention includes a feed line and multiple antenna elements connected to the feed line. The multiple antenna elements include a feed-end antenna element and a terminal antenna element connected to the feed line's feed end and end, as well as one or more trapezoidal antenna elements. The millimeter-wave antenna of this invention has a wide antenna bandwidth; the antenna linear arrays can be very close together, which is beneficial for selecting smaller element spacing during antenna linear array layout design. Furthermore, when forming a planar array, reducing the spacing between adjacent antenna linear arrays can reduce the lateral dimension of the antenna planar array.

This application discloses a deep learning-based method for identifying defects in channel concrete lining, comprising: acquiring ground-penetrating radar (GPR) data of a target channel section; the GPR data including B-scan radar images acquired by multiple antenna channels along the same survey line; extracting candidate defect regions from the B-scan radar images, comparing the candidate defect regions with a pre-established defect morphology feature database to obtain defect type determination results for the candidate defect regions; inputting the candidate defect regions into a defect identification model to obtain defect judgment results for the B-scan radar images acquired by each antenna channel; and performing multi-channel fusion of the defect judgment results of each antenna channel at the same spatial location to obtain the defect identification result corresponding to the target channel section. The method of this application improves the accuracy and reliability of channel lining concrete defect identification by performing multi-channel identification and determination of the same spatial location of the channel concrete lining through a defect identification model.

Aspects of the present disclosure relate to beam steering at a multi-antenna device. The device receives an activation signal to activate one or more input ports of a Butler matrix and outputs signals from all output ports of the Butler matrix based on the activation of the one or more input ports. The signals output from the output ports have varying phase shifts relative to one another. Further, the device phase shifts the signals output from the output ports via a plurality of phase shifters respectively coupled to the output ports. The phase shifted signals also have varying phase shifts relative to one another and also have phase differences between adjacent phase shifted signals. Each of a plurality of antenna elements at the device receives a phase shifted signal from an associated phase shifter and outputs a beam based on the phase shifted signal received from the associated phase shifter.

The utility model provides a kind of foldable RFID handheld scanner, including scanner main body, multiple antenna modules, read-write module, power module, intelligent terminal and control button;Multiple antenna modules are arranged at the front end of scanner main body and are electrically connected with read-write module, for transmitting and receiving electric signal, two adjacent antenna modules are hingedly connected respectively, forming foldable structure;Read-write module is connected with intelligent terminal, antenna module, read-write module, intelligent terminal and control button are electrically connected with power module, control button is electrically connected with intelligent terminal, effectively solve the problem of short handheld handle, slow scanning, through the collaborative work of multiple foldable antenna modules, read-write efficiency is improved, while reducing the labor intensity of operator, improve work efficiency.

This invention discloses a dual-polarized magnetoelectric dipole array antenna. The array antenna consists of antenna elements and a supporting structure. Multiple antenna elements are arrayed within the supporting structure. Each antenna element includes a radiating structure and a feeding structure. The radiating structure is a multi-layer structure with feeding structures arranged between its layers. The feeding structure employs dual-polarized microstrip feed lines. One side of each of the two microstrip feed lines is bridging and cross-laid on the lower surface of the bottom layer of the radiating structure. The feeding structure also includes two orthogonally arranged H-shaped coupling slots, which are arranged on the upper surface of the bottom layer of the radiating structure. This invention achieves ±45° dual-polarization through H-shaped slot coupling feeding and uses a slot coupling feeding and dual-polarized feed line co-layer design, compressing the antenna profile to 0.12λ0. The operating frequency band covers 3.2–5.36 GHz, the array antenna gain is better than 8 dBi, and the dual-polarization port isolation is better than 23 dB. It can simultaneously meet the requirements of the n78 and n79 frequency bands in 5G communication and is suitable for low-cost, miniaturized 5G base station equipment.

The present disclosure relates to an antenna module and a terminal device. The antenna module comprises: a radio frequency component; at least two antennas distributed in different positions; a first switch component arranged on a connection line between the radio frequency component and each of the antennas; wherein the first switch component is used to turn on the connection line between the radio frequency component and a target antenna in the at least two antennas when an antenna selection instruction indicates the target antenna. The antenna module of the embodiment of the present disclosure is provided with multiple antennas with the same communication function and distributed in different positions, so that the communication coverage is larger, and the specified antenna in the multiple antennas can also be controlled to work in communication according to the antenna selection instruction, realizing personalized communication selection.

This utility model discloses an antenna module based on a large-area heat sink. The antenna module includes a base plate, a circuit board module, an antenna, and a heat sink. The circuit board module includes a circuit board and a heat-generating element mounted on the circuit board. The circuit board is fixed to the base plate. The heat sink is located on the side of the circuit board away from the base plate and is grounded to the circuit board. The heat sink is configured to dissipate heat from the heat-generating element. The heat sink is electromagnetically coupled to the antenna, and the antenna's feed pin is electrically connected to the circuit board. This antenna module, while ensuring heat dissipation requirements for the heat-generating element, utilizes the coupling between the antenna and the heat sink to generate multiple antenna frequency bands, improving utilization.

Methods, systems, and devices for wireless communication are described. A device can be configured to include a lens array and a plurality of antenna arrays, each antenna array including a set of antenna elements. The antenna arrays can each support a plurality of beam directions, such as a respective beam direction for each lens of the lens array. The lenses can help maintain separation between the beams if the beams for the plurality of antenna arrays are simultaneously passing through the same lens. The lenses can also help shape the beams, and using multiple lenses can enhance the coverage area of the beams transmitted or received by the antenna arrays.

The utility model relates to antenna technical field especially relates to a kind of external multi-antenna combined antenna, including upper cover and bottom cover, bottom cover top is provided with upper cover, still including connecting column, first PCB board, support column, second PCB board, ten mounting holes are opened on bottom cover, ten connecting columns are provided on upper cover, first PCB board is installed on bottom cover, four support columns and four support columns between the second PCB board provided on first PCB board are provided. By first PCB board as main bearing plate, four first GNSS antennas and two second GNSS antennas are arranged;Second PCB board is suspended on first PCB board by support column, positioning antenna, first WiFi antenna and second WiFi antenna are concentratedly installed, to realize the compact multi-antenna combination of GNSS positioning and WiFi communication function, then fixed seat is fixed on bottom cover by fixing bolt, additional antenna is screwed on outer thread sleeve, so as to flexibly expand or stack multiple antenna units according to demand.

The present specification relates to the technical field of radio frequency communication, and specifically provides a radio frequency communication system and an electronic device, comprising multiple antennas, a switching switch circuit and multiple radio frequency transceiver modules, the multiple radio frequency transceiver modules comprising at least one satellite communication transceiver module, and the satellite communication transceiver module is connected with any one of the antennas through the switching switch circuit. In the embodiment of the present specification, the satellite communication antenna can realize antenna multiplexing on any one of the multiple antennas, and a satellite communication antenna does not need to be separately deployed, thereby reducing the difficulty of antenna layout and design, and the position of the satellite communication antenna is not fixed, thereby being more flexible, and when a certain antenna is affected, other antennas can be switched, thereby ensuring the signal quality and connection stability of satellite communication.

The application discloses a kind of based on metasurface beamforming array antenna, the antenna array surface includes multiple column line sources, each column line source includes a power division feed network and multiple antenna radiation units, the antenna radiation unit is connected with the power division feed network by metallization feed hole, and the power division feed network is fed to the antenna radiation unit by the metallization feed hole;The metasurface is loaded on the antenna array surface, and the amplitude and phase of the electromagnetic wave radiated by the antenna array surface are regulated and controlled.By the above-mentioned optimization design of metasurface beamforming array antenna, phase scanning and metasurface beamforming are combined, one-dimensional array shaping and one-dimensional phase scanning are realized, beamforming and beam rapid scanning are realized, and the integration design of antenna array surface, power division feed network and metasurface loading is low in cost, and the profile height of the whole array surface is greatly reduced.

This disclosure relates to a wireless communication system, a wireless communication method, a control station, and a control program, and aims to improve channel capacity without increasing the number of transmitting and receiving antennas. [Solution] The wireless communication system of this disclosure comprises a control station, a radio station equipped with multiple antennas, and a base station that performs MIMO communication with the radio station. The radio station has a function to vary the relative position of the multiple antennas with respect to the base station according to control information. The control station is configured to perform a process of predicting the relationship between the channel capacity formed between the radio station and the base station and the control information, a process of calculating at least one piece of control information that can improve the channel capacity based on the predicted relationship, and a process of notifying the radio station of the calculated control information. The radio station is configured to perform a process of changing its relative position based on the notified control information.

The utility model belongs to the technical field of antenna, disclose a kind of antenna device and radar system, antenna device includes antenna body and first boss subassembly, the antenna body is equipped with multiple antenna units, each the antenna unit is formed radiation part on the surface of the antenna body;First boss subassembly is connected in the antenna body, arbitrary adjacent two the radiation part between is equipped with the first boss subassembly, and the first boss subassembly includes multiple first boss of interval arrangement.The antenna device and radar system provided by the utility model can reduce the coupling degree between antenna units, improve the isolation between antenna units.

A kind of vehicle antenna servo mechanism system, including servo control machine case and the turntable mechanism, whip antenna down mechanism and lifting rod controlled by servo control machine case;The turntable mechanism includes antenna servo platform base and two-dimensional servo turntable;Three two-dimensional servo turntables are provided on the antenna servo platform base, and three two-dimensional servo turntables are respectively installed on antenna servo platform base by flat plate antenna azimuth turntable;Each two-dimensional servo turntable is connected with flat plate antenna;The output end of the whip antenna down mechanism is connected with whip antenna;The servo system controls the motor of two-dimensional servo turntable and realizes the azimuth and pitch movement of flat plate antenna by forward and reverse rotation, and realizes the down movement of whip antenna by controlling the motor of whip antenna down mechanism and realizing the down movement of whip antenna.The system has CAN remote control function by time sequence control, and can realize integrated multiple types of antenna or multiple antenna to be deployed or withdrawn according to different azimuth, pitch angle needs by one key.

Systems and methods are described for radio frequency (RF) calibration in a multiple antenna system (MAS) with multi-user (MU) transmissions (“MU-MAS”) exploiting uplink / downlink channel reciprocity. The RF calibration is used to compute open-loop downlink precoder based on uplink channel estimates, thereby avoiding feedback overhead for channel state information as in closed-loop schemes. For example, a MU-MAS of one embodiment comprises a wireless cellular network with one or multiple beacon stations, multiple client devices and multiple distributed antennas operating cooperatively via precoding methods to eliminate inter-client interference and increase network capacity.