1607 results about "Antenna array" patented technology

An electronic device may be mounted to a main body of a removable case. The case includes a cover that rotates between open and closed positions. The device may convey wireless data and / or a control signal with the removable case over radio-frequency connectors, near-field communications (NFC) coils, connector electrodes, and / or wired data connectors. The removable case may relay the wireless data between the electronic device and a communications satellite in space. The case may include a phased antenna array in the cover. In the open position, the cover may point the phased antenna array towards the sky. The removable case may include beamforming circuitry in the cover and coupled to the phased antenna array. The control signal may control the beamforming circuitry to produce, using the phased antenna array, a signal beam oriented towards the communications satellite.

Systems and methods are provided for a digital beamformed phased array feed. The system may include a radome configured to allow electromagnetic waves to propagate; a multi-band software defined antenna array tile; a power and clock management subsystem configured to manage power and time of operation; a thermal management subsystem configured to dissipate heat generated by the multi-band software defined antenna array tile; and an enclosure assembly. The multi-band software defined antenna array tile may include a plurality of coupled dipole array antenna elements; a plurality of frequency converters; and a plurality of digital beamformers.

The present application belongs to the technical field of communications. Disclosed are an information sending method and apparatus, an information reception method and apparatus, and a device. The information sending method in the embodiments of the present application comprises: a terminal performing first channel measurement on a first signal sent by a network side device, so as to obtain first target information; and the terminal sending the first target information to the network side device, wherein the first target information is information related to a first area, and the first area is a partial area of an antenna array or a subset of an antenna port set of at least one of the network side device and the terminal.

The invention relates to the technical field of wireless communication technology, and provides a rate division multiple access communication method and system assisted by a movable antenna, and the method comprises the steps: firstly constructing a rate division multiple access communication model, the model comprises a base station equipped with a linear movable antenna array and a plurality of users, and the base station communicates with each user; in the model, a user is split into a plurality of clusters, and a beam forming vector corresponding to an inter-cluster public stream, a beam forming vector corresponding to an intra-cluster public stream and a beam forming vector corresponding to a user private stream are formed according to the split clusters; and constructing a maximized minimum user rate optimization model according to the rate segmentation multiple access communication model, disassembling the optimization model into three sub-models, and solving the three sub-models by using an iterative optimization algorithm based on internal and external double loops. According to the invention, through a two-layer rate segmentation multiple access mode, the mobile antenna is introduced to carry out channel reconstruction and the intra-cluster common stream is compensated, so that the maximization of the minimum user rate is realized, and the communication performance is improved.

Embodiments of this application provide an antenna, and an electronic device. The antenna includes a radiating patch layer, a ring-shaped metal layer, a first metal layer, and a feed element. The radiating patch layer includes four radiating patches that are distributed in a 2×2 array. The ring-shaped metal layer is disposed in correspondence with a peripheral edge part of the radiating patch layer, and is coupled and connected to the radiating patch layer. A plurality of metal columns are disposed on the first metal layer. The plurality of metal columns are electrically connected to the ring-shaped metal layer.

Systems and methods are provided for a digital beamformed phased array feed. The system may include a radome configured to allow electromagnetic waves to propagate; a multi-band software defined antenna array tile; a power and clock management subsystem configured to manage power and time of operation; a thermal management subsystem configured to dissipate heat generated by the multi-band software defined antenna array tile; and an enclosure assembly. The multi-band software defined antenna array tile may include a plurality of coupled dipole array antenna elements; a plurality of frequency converters; and a plurality of digital beamformers.

The embodiment of the invention provides a beam coverage method and device of an antenna array, equipment and a storage medium. The method comprises the steps of determining an initial beam coverage area; determining a reference center position in the initial beam coverage area, and constructing a rectangular window according to the maximum spatial frequency deviation of the initial beam coverage area relative to the reference center position; constructing a rectangular window function; obtaining a space beam forming gain function and determining a first relation function between the beam forming weight vector and the beam forming vector; inverse Fourier transform is carried out according to the spatial beam forming gain function to obtain a beam forming weight vector function, and a second relation function is determined based on the rectangular window function and the beam forming weight vector function; and calculating a target beam forming vector of the antenna array in combination with the first relation function and the second relation function, and controlling the antenna array to perform signal coverage on the initial beam coverage area according to the target beam forming vector. In this way, the real-time performance of beam configuration of the antenna array can be improved.

The invention relates to a liquid crystal phased array dynamic star finding control method based on holographic phase coding. The method comprises the following steps: acquiring an expected beam pointing angle of a target satellite relative to an antenna array; generating a two-dimensional phase matrix suitable for a liquid crystal phased array based on the expected beam directional angle; performing temperature compensation on the two-dimensional phase matrix, converting the two-dimensional phase matrix into a digital driving level, and loading the digital driving level to a liquid crystal driving circuit; a radio frequency beam pointing to the expected beam pointing angle is formed through radiation of the liquid crystal phased array antenna panel; and beam pointing errors are detected in real time according to downlink signal characteristics and are compensated. The liquid crystal phased array dynamic star finding control method based on holographic phase coding shows remarkable technical progress and practical advantages in multiple aspects; according to the method, a high-performance and high-reliability dynamic beam pointing system is constructed through key technologies such as holographic phase coding, real-time temperature compensation, high-speed calculation and closed-loop feedback, and the method is particularly suitable for high-dynamic scenes such as high-speed mobile carriers and low-orbit satellite communication.

Systems and methods are provided for a digital beamformed phased array feed. The system may include a radome configured to allow electromagnetic waves to propagate; a multi-band software defined antenna array tile; a power and clock management subsystem configured to manage power and time of operation; a thermal management subsystem configured to dissipate heat generated by the multi-band software defined antenna array tile; and an enclosure assembly. The multi-band software defined antenna array tile may include a plurality of coupled dipole array antenna elements; a plurality of frequency converters; and a plurality of digital beamformers.

Systems and methods are provided for a digital beamformed phased array feed. The system may include a radome configured to allow electromagnetic waves to propagate; a multi-band software defined antenna array tile; a power and clock management subsystem configured to manage power and time of operation; a thermal management subsystem configured to dissipate heat generated by the multi-band software defined antenna array tile; and an enclosure assembly. The multi-band software defined antenna array tile may include a plurality of coupled dipole array antenna elements; a plurality of frequency converters; and a plurality of digital beamformers.

Systems, devices, and methods related to dual linear polarized wideband antennas for compact antenna arrangements are provided. An example antenna structure includes a multi-layered printed circuit board (PCB); a folded magnetoelectric antenna element including a first portion disposed on a first layer of the multi-layered PCB and a first fold portion contiguous to the first portion and extending to at least a second layer of the multi-layered PCB; and a patch antenna element disposed on a third layer of the multi-layered PCB, wherein the first, second, and third layers are separate layers of the multi-layered PCB. The antenna structure further includes a first feeding port electrically coupled to the patch antenna element, and a second feeding port electrically coupled to the patch antenna element, where the first and second feeding ports are associated with different polarizations.

Systems and methods are provided for a digital beamformed phased array feed. The system may include a radome configured to allow electromagnetic waves to propagate; a multi-band software defined antenna array tile; a power and clock management subsystem configured to manage power and time of operation; a thermal management subsystem configured to dissipate heat generated by the multi-band software defined antenna array tile; and an enclosure assembly. The multi-band software defined antenna array tile may include a plurality of coupled dipole array antenna elements; a plurality of frequency converters; and a plurality of digital beamformers.

Systems and methods are provided for a digital beamformed phased array feed. The system may include a radome configured to allow electromagnetic waves to propagate; a multi-band software defined antenna array tile; a power and clock management subsystem configured to manage power and time of operation; a thermal management subsystem configured to dissipate heat generated by the multi-band software defined antenna array tile; and an enclosure assembly. The multi-band software defined antenna array tile may include a plurality of coupled dipole array antenna elements; a plurality of frequency converters; and a plurality of digital beamformers.

Provided herein are various enhancements for radio frequency antennas and antenna arrangements. In one example, an apparatus comprises a reflector for radio frequency energy having a reflector surface, and a lens element. The lens element is configured to alter a distribution of at least a portion of the radio frequency energy reflected by the reflector surface over a detection area of a feed array positioned a selected distance from the lens element.

Systems and methods are provided for a digital beamformed phased array feed. The system may include a radome configured to allow electromagnetic waves to propagate; a multi-band software defined antenna array tile; a power and clock management subsystem configured to manage power and time of operation; a thermal management subsystem configured to dissipate heat generated by the multi-band software defined antenna array tile; and an enclosure assembly. The multi-band software defined antenna array tile may include a plurality of coupled dipole array antenna elements; a plurality of frequency converters; and a plurality of digital beamformers.

The invention relates to the technical field of radio navigation and countering, and particularly discloses an unmanned aerial vehicle interference system and device based on phased array radar direction finding. The system comprises a phased array radar direction finding module, an environment electromagnetic propagation characteristic modeling module, an interference beam dynamic planning module and a digital beam forming interference module. Through constructing a three-dimensional electromagnetic propagation model and based on propagation loss and a multipath effect predicted by the model, a beamforming weight used for pre-compensating environmental influence is optimized and calculated, and finally an interference antenna array is driven to radiate an intelligent beam subjected to environmental pre-compensation, so that high-intensity interference is formed at an actual physical position of a target unmanned aerial vehicle, and the target unmanned aerial vehicle is subjected to environmental pre-compensation. Direction finding errors are overcome, and interference efficiency and electromagnetic compatibility are improved.

A first network entity of a communications network can generate compressed beamforming weights (“BFWs”) based on a transformation configuration. The transformation configuration can be based on one or more parameters of an antenna array associated with a second network entity of the communications network. The one or more parameters can include a parameter that is separate from a total number of antenna ports in the antenna array. The first network entity can further transmit an indication of the compressed BFWs to the second network entity via a fronthaul between the first network entity and the second network entity.

Embodiments of the present disclosure relate to devices, methods, apparatuses, and computer readable storage media for virtual antenna array capability reporting, particularly suitable for integrated sensing and communication (ISAC). The method includes receiving, at a first device, information from a second device, the information associated with an antenna array arrangement and a sensing resolution related capability of the second device; determining, based at least on the information, whether one or more sensing measurement requirements for the sensing service are satisfied by the second device; and sending an indication associated with the one or more sensed measurement requirements to a second device based on the determination.

A mobile device having array antenna can be used to communicate with Earth orbiting satellites and base stations on the ground. The display screen of the mobile device has an array antenna capable of transmitting and receiving radio frequency (RF) signals in the range of 0.6 GigaHertz (GHz) to 100 GHz. The configuration of the array antenna, including the number of arrays and the dimension of the arrays, is software programmable by activating and deactivating antenna elements for multiple beams and their beam characteristics.

Systems and methods are provided for a digital beamformed phased array feed. The system may include a radome configured to allow electromagnetic waves to propagate; a multi-band software defined antenna array tile; a power and clock management subsystem configured to manage power and time of operation; a thermal management subsystem configured to dissipate heat generated by the multi-band software defined antenna array tile; and an enclosure assembly. The multi-band software defined antenna array tile may include a plurality of coupled dipole array antenna elements; a plurality of frequency converters; and a plurality of digital beamformers.

The invention discloses a three-dimensional electromagnetic inverse scattering imaging method of a diffusion model based on physical constraint embedding. The method comprises the following steps: 1, in a specific three-dimensional electromagnetic inverse scattering imaging environment, defining a dielectric constant of an imaging area, arranging a transmitting and receiving antenna array at the periphery, and obtaining scattering field data of a target area for constructing an input and output sample pair of a diffusion model; 2, constructing a diffusion model on the three-dimensional grid space; 3, introducing a physical consistency constraint term based on a Maxwell equation set in the training stage of the diffusion model; and 4, synthesizing the generation loss and the physical constraint loss of the diffusion model, constructing a joint optimization objective function, and carrying out iterative updating on network parameters by adopting an end-to-end back propagation algorithm until the model converges. According to the method, the spatial resolution and continuity of three-dimensional imaging are remarkably improved, the stability and robustness of inverse scattering reconstruction are improved, and the physical consistency is enhanced. And high-precision and interpretable three-dimensional electromagnetic inverse scattering imaging can be realized.

A magneto-electric dipole antenna includes a substrate module, a director, a reflector and a feeding module. The substrate module has an upper surface and a lower surface. The director is disposed on the upper surface of the substrate module. The reflector is disposed on the lower surface of the substrate module. The feeding module is disposed in the substrate module between the director and the reflector. When a to-be-outputted signal is fed to the feeding module, a forward radiation that transmits in a forward direction pointing from bottom to top is generated, a backward radiation that transmits in a backward direction reverse to the forward direction is generated and is reflected by the reflector, and the forward radiation and the backward radiation thus reflected are directed by the director so as to generate the electromagnetic wave.

The invention discloses a shield tunnel ground penetrating radar one-transmitting-multi-receiving antenna array advanced detection system, which comprises a terminal processor and a one-transmitting-multi-receiving antenna array, the terminal processor is connected with the one-transmitting-multi-receiving antenna array through a coaxial cable, the one-transmitting-multi-receiving antenna array comprises a transmitting antenna and a plurality of receiving antennas, and the transmitting antenna is connected with the receiving antennas. The shield cutter heads are arranged in the radial direction of the shield cutter head, are fixed on the same radius of the shield cutter head and cover the radius of the whole shield cutter head; the shield cutterhead rotates to cut a front soil body, the terminal processor controls the one-transmitting-multiple-receiving antenna array to synchronously carry out advanced detection, the one-transmitting-multiple-receiving antenna array rotates along with the shield cutterhead to detect a circle, the transmitting antennas radiate electromagnetic waves once at fixed angle intervals, and the multiple receiving antennas record reflected electromagnetic echo signals of a front stratum once at the same time. And the one-transmitting multi-receiving antenna array follows the shield tunneling machine to gradually tunnel so as to detect obstacles in the whole tunnel excavation section. The method has the advantages of large detection range, high detection efficiency and clear detection result.

A method for wireless communication, the method comprising: selecting a set of orthogonal spatial bases of an antenna array for supporting up to eight orthogonal layers for up to 128 ports, wherein each spatial basis of the set can support up to two orthogonal layers based on a first horizontal phase compensation factor value that is associated with a first layer of the two orthogonal layers for a first spatial basis and based on a second, opposite horizontal phase compensation factor value that is associated with a second layer of the two orthogonal layers for the first spatial basis; and causing transmission of a radio signal using the set of spatial bases, or preparing, for transmission, feedback specifying the preferred spatial bases as part of CSI (Channel State Information).

Systems and methods are provided for a digital beamformed phased array feed. The system may include a radome configured to allow electromagnetic waves to propagate; a multi-band software defined antenna array tile; a power and clock management subsystem configured to manage power and time of operation; a thermal management subsystem configured to dissipate heat generated by the multi-band software defined antenna array tile; and an enclosure assembly. The multi-band software defined antenna array tile may include a plurality of coupled dipole array antenna elements; a plurality of frequency converters; and a plurality of digital beamformers.

The invention discloses an engineering surveying and positioning method and system based on Beidou. The method comprises the following steps: S1, establishing an oil field operation environment three-dimensional model, and performing satellite visibility and multipath prediction; according to the invention, by constructing a multi-path geometric model and a dual-antenna array discrimination and weighted suppression algorithm, reflection interference caused by a metal facility dense environment in a well site and a station site is effectively weakened; by fusing a local DEM terrain model and earth surface reflection characteristics and introducing vertical Kalman filtering, the stability and precision of Beidou elevation calculation are significantly improved; under the scene of insufficient visibility such as shielding of a drilling machine and large equipment, continuous and high-reliability positioning capability is kept through a tight coupling fusion strategy of IMU and vision assistance, so that high-robustness and high-precision Beidou engineering measurement positioning can be realized in a complex environment of an oil field.

The invention relates to a large-scale folding and unfolding satellite-borne mobile phone direct connection satellite communication phased array, which belongs to the technical field of satellites and comprises a post-stage DBF system and a plurality of antenna sub-arrays. The antenna sub-array comprises a plurality of antenna units and a sub-array level DBF system; the antenna unit comprises a transmitting-receiving common-caliber antenna array plane, a radio frequency transmitting-receiving front end, a multi-channel transmitting-receiving chip and a multi-channel AD / DA chip which are connected in sequence; each of the multi-channel AD / DA chips is connected with the sub-array level DBF system; and the sub-array level DBF system is connected with the post-stage DBF system. The invention focuses on a satellite-borne large-scale foldable phased array technology suitable for mobile phone direct-connection satellite communication, and solves the problem of pain points of a satellite-borne phased array in the mobile phone direct-connection satellite communication by combining a digital multi-beam phased array with a structure folding and unfolding technology. The requirements for the aperture and gain of a satellite-borne antenna for mobile phone direct-connection satellite communication are met through scale expansion, a high-efficiency folding and unfolding mechanism is designed to reduce envelope so as to be suitable for'one-rocket multi-satellite launching ', and the requirements for massive users and flexibility and variability of mobile phone direct-connection satellite communication are met through high-efficiency digital multi-beam forming.

A method comprising receiving a positioning reference signal request, determining positioning requirements associated with the received positioning reference signal request, determining capabilities of a terminal device, determining an antenna array radiation pattern beam width for a position reference signal based, at least partly on the determined positioning requirements and the determined capabilities of the terminal device, obtaining a value for a compensation parameter based on the determined antenna array radiation pattern beam width, performing beam steering towards a target access node, and performing a timing compensation using the compensation parameter with the obtained value.

A controller of a RAN detects an interferer is present in a region covered by antenna array(s) that provide a 3D view of segments of a cell, using at least a mapping from the segments to corresponding anomaly signatures, and using radio measurements taken in the segments, to determine segment(s) affected by the interferer. The controller performs mitigation of interference in the segment(s). A base station controlling the antenna array(s) determines that an event has been detected because radio measurement(s) of the segments of the cell meet an event detection threshold, and performs and sends to the controller multiple symbol-level radio measurements. The controller also causes channel sensing and radio measurements to be performed by the base station for steady state and states of interest in the cell. The controller correlates these radio measurements to map from segments to anomaly signatures and uses the mapping to perform interference mitigation.

The invention discloses a millimeter wave communication transmission signal interference suppression method, and relates to the technical field of millimeter wave communication signal interference suppression, and the method comprises the steps: deploying a multi-antenna array and an ultra wide band detection module, collecting interference and useful signal features, and generating a data set; evaluating an interference level in combination with channel parameters, and establishing a mapping relation between interference and a channel; interference types are accurately classified through a deep learning model; differential suppression schemes are adopted for different interferences; dynamically adjusting suppression parameters; monitoring a suppression effect and feeding back optimization; and the adaptive capacity of complex scenes is improved based on historical data self-learning. According to the invention, accurate identification and differential suppression of interference are realized, and the anti-interference capability and the transmission stability are significantly improved; the interference and channel change are dynamically adapted, the self-learning ability enhances the adaptation to novel interference, and an efficient interference suppression solution is provided for millimeter wave communication.