Patents
Literature
Patsnap Eureka AI that helps you search prior art, draft patents, and assess FTO risks, powered by patent and scientific literature data.

24 results about "Interference reduction" patented technology

Electrically steered dielectric beamformer

The proposed dielectric beamformer may be used to provide beam-forming of a transmitted radio-frequency (RF) signal. The dielectric beamformer includes a dielectric lens that provides a means of quickly steering a peak beam of the RF signal in a specific direction, allowing tracking of a distant signal, or multiple distant signals. Moreover, the beam of the RF signal can be steered to place a null in a chose direction to reduce interference. The dielectric beamformer includes a dielectric lens, which includes a first layer including a plurality of photo-voltaic (P-V) cells and a second layer including a plurality of piezoelectric cells, and one or more light sources arranged to emit light beams towards the P-V cells of the first layer. The piezoelectric cells are electrically connected to the P-V cells to receive the electricity produced in the P-V cells.
Owner:NORTHROP GRUMMAN SYSTEMS CORP

Power electronic device and vehicle

Power electronic device (11) comprising a semiconductor switch (15) and a sensor module (1) which is in thermal contact with the semiconductor switch (15) and has at least one measuring transmitter (2), wherein the sensor module (1) has at least one interference suppression element (3) for reducing interference signals, wherein the sensor module (1) has an input contact (6) and an output contact (7), wherein the measuring transmitter (2) and the interference suppression element (3) are arranged in a parallel circuit (8), wherein the parallel circuit (8) is electrically connected on the one hand to the input contact (6) and on the other hand to the output contact (7), wherein the input contact (6) and the output contact (7) are each designed as an unshielded cable (9).
Owner:VALEO EAUTOMOTIVE GERMANY GMBH

Intercell coordination for interference estimation and nulling

A method for wireless communication at a first network entity and related apparatus are provided. In the method, the first network entity receives an inter-cell interference coordination (ICIC) message from a second network entity over an Xn interface between the second network entity and the first network entity. The ICIC message includes at least one of a set of start and length indicator value (SLIV) patterns or a bitmap for uplink or downlink transmissions of the second network entity with a user equipment (UE). The first network entity further performs an interference reduction process based on the ICIC message within a first ICIC period.
Owner:QUALCOMM INC

Satellite signal interference mitigation method, satellite positioning system and receiver

This disclosure provides a satellite signal interference suppression method, a satellite positioning system, and a receiver, relating to the field of satellite positioning technology. The method includes: the receiver acquiring a target signal via a first antenna and a second antenna, the target signal including a first signal received via the first antenna and a second signal received via the second antenna; parsing the target signal to obtain phase difference information between the first signal and the second signal, the phase difference information being used to characterize the phase difference formed when the first signal reaches the first antenna and the second signal reaches the second antenna; determining whether the receiver has received an interference signal based on the phase difference information; and, if it is determined that the receiver has received an interference signal, suppressing the interference signal based on the phase difference information. This allows for efficient and accurate determination of the existence of interference signals and suppression of interference, thereby reducing the impact of interference signals on normal satellite signals and improving the robustness of satellite navigation and positioning.
Owner:TECHTOTOP MICROELECTRONICS

RADIO FREQUENCY INTERFERENCE REDUCTION

A device may include: a memory and a processor designed to: determine a utilization state of a wireless communication link designed to communicate within a radio frequency channel; determine an operating frequency of a radio frequency interference generating device; and instruct the radio frequency interference (RFI) generating device to adjust the operating frequency based on the utilization state of the wireless communication link.
Owner:INTEL CORP

Imaging system based on super- rayleigh limit focusing lens and application thereof

Embodiments of the present application propose an imaging system based on super-Raleigh limit focusing lens and its application, which can be widely applied in the technical fields of photolithography, biomedical, optical imaging and nanometer structure precision measurement; the system can produce transverse wave vector distribution and excitation and detection vector beams with wave vector range meeting the requirements by wave vector ring modulation on incident linearly polarized light, focus the vector beams to make the focusing field meet the scale requirements, so as to obtain super-Raleigh limit excitation PSF and detection PSF, and obtain a confocal PSF capable of exciting high-order terms of spot intensity by superimposing the excitation and detection PSFs, thereby improving the imaging resolution of the system; on the other hand, the system can use solid and hollow focusing spots formed by focusing vector beams to form an image, and calculate according to the imaging result to reduce interference, so as to obtain a high-resolution detection result far exceeding the Raleigh diffraction limit, and further improve the resolution of the imaging system.
Owner:SUN YAT SEN UNIV

sensing management function sensing direction indication

A user equipment (UE) and related techniques are disclosed. In one aspect, a UE provides an indication of a sensing direction for transmitting and receiving radar signals to sense an environment of a device to one or more wireless nodes of a radio access network (NG-RAN) associated with a core network or a second network entity of the core network different from a first entity. By utilizing previous sensing measurement reports collected by a sensing management function (SnMF), latency for tracking a target can be reduced by skipping an exhaustive scan or a complex full processing. In this way, interference can be reduced and less resource and power usage for a sensing function can be achieved. In one case, the sensing direction can be indicated in a GCS and converted at the NG-RAN or the UE to a beam direction of a corresponding sensor in a LCS for efficient beam management. In one case, the SnMF indicates to the NG-RAN or the UE a sensing direction in a LCS for sensing signal transmission and / or reception.
Owner:QUALCOMM INC

Method and apparatus for reducing interference, communication device and storage medium

Provided in embodiments of the present disclosure are a method and apparatus for reducing interference, a communication device, and a storage medium. The method according to the embodiments of the present disclosure is performed by a terminal device, and includes: reporting processing capacity indication information of the terminal device, where the processing capacity indication information is configured to indicate a processing capacity of the terminal device in a carrier aggregation scenario.
Owner:BEIJING XIAOMI MOBILE SOFTWARE CO LTD

A GNSS interference reduction method and apparatus

PendingCN122159973Aavoid interferenceResolve technical issues that degrade performanceNetwork traffic/resource managementAssess restrictionAccess networkInterference reduction
The application provides a GNSS interference reduction method and device, wherein the method is applied to a terminal with an NR transmitter, and the method comprises the following steps: when the frequency band of a 3GPP access service cell of the terminal interferes with GNSS receiving signals, it is judged whether the terminal is simultaneously connected to a non-3GPP access network; if yes, a PDU session on a link between the terminal and the 3GPP access network is transferred to a link between the terminal and the non-3GPP access network; otherwise, a connection with the non-3GPP access network is established, and the PDU session on the link between the terminal and the 3GPP access network is transferred to the link between the terminal and the non-3GPP access network. The method provided by the application avoids the interference of the frequency band of the 3GPP access cell of the terminal on the GNSS receiving signals, and solves the technical problem that the performance of GNSS is reduced due to the interference.
Owner:SPREADTRUM COMMUNICATION (SHANGHAI) CO LTD

Method for interference compatibility of ngso-fss systems with adjacent band satellite systems

The application discloses an interference compatibility method for an NGSO-FSS system and an adjacent frequency satellite system, and belongs to the technical field of radio communication frequency compatibility.The method solves the problem of interference between the NGSO-FSS system and the adjacent frequency satellite system, and comprises the following steps: at the satellite layer, designing an NGSO constellation configuration and a sensor model of the adjacent frequency satellite system; at the ground end, determining the position and quantity of gateway stations in the NGSO-FSS system; at the link layer, regarding the gateway stations of the NGSO-FSS system as interference sources, considering the total atmospheric attenuation and the free space transmission loss, obtaining the interference power received by the adjacent frequency satellite system, and further adjusting the transmission power of the corresponding antennas of the gateway stations; based on the gateway stations and the NGSO constellation, evaluating the total interference of all active gateway stations for the adjacent frequency satellite system, calculating the interference reduction amount, adjusting the useless transmission power and the NGSO constellation configuration according to the interference reduction amount, and until the interference power level meets the threshold value of the protection criterion.
Owner:HARBIN INST OF TECH

Coriolis mass flowmeter with reduced interference

The utility model provides a kind of coriolis mass flowmeter of reducing interference high accuracy, belong to coriolis mass flowmeter technical field, this coriolis mass flowmeter of reducing interference high accuracy, including mass flowmeter body;Two mounting seats, two mounting seats are set in the outer surface of mass flowmeter body, the downside of two mounting seats is provided with base;Multiple fixing bases, multiple fixing bases are respectively set in the two sides of two bases, the upper end of multiple fixing bases is all screw thread connection with screw;Two groups of buffer mechanisms, each group of buffer mechanisms includes: buffer shell, buffer shell is set in the upper end of base, effectively attenuate high frequency or large amplitude vibration by buffer mechanism, avoid the error of measurement data, improve the precision of flow data, solve the phenomenon that buffering element is easily fatigued under long-term vibration environment Failure, strengthen the stability of flowmeter long-term operation simultaneously.
Owner:CHENGDU LODINSON INTELLIGENT TECH CO LTD

Method for reducing interference signals in a top-down view showing a motor vehicle and its surrounding area, driver assistance system and motor vehicle

Method for reducing interference signals (17) in a top-down image (14) showing a motor vehicle (1) and an area (4) surrounding the motor vehicle (1), wherein the top-down image (14) is determined on the basis of raw images (11a, 11b, 11c, 11d) acquired by at least two vehicle-mounted cameras (5a, 5b, 5c, 5d), and wherein the method includes the following steps a) to c): a) suppressing or attenuating contrast sharpening and / or edge sharpening for the acquired raw images (11a, 11b, 11c, 11d) in the case of cameras equipped with integrated sharpening functions (5a, 5b, 5c, 5d), and determining the top-down image (14) on the basis of the raw images (11a, 11b, 11c, 11d) without the contrast sharpening. and / or edge sharpening, b) Creating focus offsets within the captured raw images (11a, 11b, 11c, 11d) and determining the top view image (14) based on the raw images (11a, 11b, 11c,11d) with the focusing offsets, c) Identifying at least one image area (16) in the top view image (14) containing interference signals (17) and reducing the interference signals (17) by applying a filter to image elements of the top view image (14) and / or the raw images (11a, 11b, 11c, 11d) corresponding to this image area (16).
Owner:CONNAUGHT ELECTRONICS

Datagram sending method, device and communication equipment

The application is suitable for the field of communication technology, and provides a data message sending method, device and communication equipment, which comprises the following steps: determining the signal strength of a first terminal to a first AP, wherein the first AP and the first terminal belong to a first BSS network; selecting a corresponding interference reduction strategy according to the signal strength of the first terminal to the first AP, wherein, compared with before the first AP responds to the interference reduction strategy, after the first AP responds to the interference reduction strategy, the interference of the first AP to the wireless signal of a second terminal is lower when the first AP sends a data message, the BSS network to which the second terminal belongs is a second BSS network, and the second BSS network and the first BSS network belong to the same Mesh network; and sending a data message to the first terminal through a spatial multiplexing technology according to the selected interference reduction strategy. Through the above method, the packet loss rate of the second terminal can be reduced.
Owner:TP-LINK

Method and apparatus for positioning vibration source, and device overhaul method, storage medium and processor

PCT designated stageWO2026129257A1Position fixationIndustrial equipmentNoise
The embodiments of the present invention belong to the technical field of device overhaul. Provided are a method and apparatus for positioning a vibration source by means of a microphone array, and an industrial device overhaul method, a storage medium, a processor and a computer program product. The method for positioning a vibration source by means of a microphone array comprises: on the basis of an incurred calculation error and / or measurement error, selecting three microphones from a microphone array; acquiring a first noise signal, a second noise signal and a third noise signal that are respectively received by means of the selected three microphones; on the basis of the strengths and loss coefficients of the first noise signal, the second noise signal and the third noise signal, determining a first distance, a second distance and a third distance between the vibration source and the three microphones, respectively; and on the basis of the first distance, the second distance, the third distance and position coordinates of the selected three microphones, determining the position of a vibration source. By means of the method, the impact of interference factors can be reduced, and the accuracy of determining the specific position of a vibration source is improved.
Owner:CERI DIGITAL TECHNOLOGY (BEIJING) CO LTD +2

A fault location-based deep fusion circuit breaker

ActiveCN224447949UElectric machineCrank
This invention provides a fault-finding deep fusion circuit breaker, relating to the field of circuit breaker technology. It includes a telescopic assembly comprising a mounting housing, a first motor, a connecting rod, a movable rod, a transmission rod, and a telescopic linkage frame. The first motor is mounted on the mounting housing, and its output end is connected to the connecting rod. In this invention, a second motor in the movable assembly drives a toothed track via a bevel gear, enabling the circuit breaker to move automatically without manual intervention, thus improving efficiency. Upon arrival, the telescopic assembly pushes a cross-hinged frame via a crank-connecting rod to adjust the position of the detection assembly, allowing the arc-shaped detector to precisely approach the line, improving accuracy. The detector, with its curved surface increasing the sensing area, captures traveling wave signals to achieve distance measurement. The coordinated operation of these three components enhances autonomy and efficiency, reduces interference, ensures stability, facilitates rapid fault location, shortens processing time, and improves power supply reliability.
Owner:NINGBO LUDING ELECTRONIC TECH CO LTD

Multi-beam MIMO antenna systems and methods

This application proposes multi-beam antenna systems using spherical lens with high isolation between antenna ports and compatible to 2×2, 4×4, 8×8 MIMO transceivers. Several compact multi-band multi-beam solutions (with wideband operation, 40%+, in each band) are achieved by creating dual-band radiators movable on the track around spherical lens and by placing of lower band radiators between spherical lenses. By using of secondary lens for high band radiators, coupling between low band and high band radiators is reduced. Beam tilt range and side lobe suppression are improved by special selection of phase shift and rotational angle of radiators. Resultantly, a wide beam tilt range (0-40 degree) is realized in proposed multi-beam antenna systems. Each beam can be individually tilted. Based on proposed single- and multi-lens antenna solutions, cell coverage improvements and stadium tribune coverage optimization are also achieved, together with interference reduction.
Owner:MATSING INC

A structure for improving the anti-interference capability of a collection circuit

This invention discloses a structure for improving the anti-interference capability of a high-sensitivity QD acquisition circuit in a spaceborne laser communication terminal optical controller, and provides a design method. The structure includes a chassis cavity, a suppression cavity, and a shielding cover. The chassis cavity and shielding cover minimize the entry of interfering electromagnetic signals, while the suppression cavity attenuates interfering electromagnetic signals entering the chassis cavity. The core of this invention lies in the design of the suppression cavity, which consists of a transverse diaphragm, a longitudinal diaphragm, and an isolated diaphragm, with the transverse and longitudinal diaphragms forming a periodic cavity. This invention significantly improves the anti-interference capability of the QD acquisition circuit in its sensitive frequency band, achieving a suppression capability of over 10 dB.
Owner:XIAN INSTITUE OF SPACE RADIO TECH

System and method for selecting wireless fidelity (Wi-Fi) channel for mitigating interferences

Certain example embodiments relate to a method for selecting wireless ridelity (Wi-Fi) channel for mitigating and / or reducing interference, wherein the method may detect the presence of nearby access points and determine the number of access points by an access point detector module. The method may determine the minimum value of received signal strength indicator (RSSI) by the access point detector module, and may determine the congestion information from the nearby devices by a peer congestion observer module. Furthermore, the method may calculate at least one weighted parameter and select a preferred channel to create a hotspot for communication by a channel selector module.
Owner:SAMSUNG ELECTRONICS CO LTD

Interference Reduction at a Wireless station comprising a multi-element antenna array

A first wanted signal beam is formed at a multi-element antenna array to receive a first wanted signal having a first and second sub-carrier, each having known transmitted modulation, and the subcarri
Owner:CAMBIUM NETWORKS

Sensing signal transmission in irregular slots

An irregular slot may include a scenario in which a user equipment (UE) transmits a sensing signal, which may be an uplink transmission, in a downlink slot or a flexible slot. In some other examples, an irregular slot may include a scenario in which a transmit receive point (TRP) transmits a sensing signal, which may be a downlink transmission, in an uplink slot or a flexible slot. As a result, the sensing signal transmission can degrade throughput and / or quality of service of other communication devices' transmissions. Accordingly, a wireless communication device, such as a UE or a TRP, that is to transmit a sensing signal in an irregular slot may be configured with a power constraint parameter or a beam parameter. In some examples, aspects of the present disclosure may reduce an impact of interference or noise on other wireless communication devices' transmissions.
Owner:QUALCOMM INC

Display apparatus and display method

A display apparatus includes a display device and a processor, and the display device displays at least the virtual object among the individual real object cut out from the external real body as an object and the virtual object to be arranged in three dimensions, the object for which the user wants to view is determined as the target object, the object to be interfered when the user views the target object is detected as the interfering object, and when there is an interfering object, the display mode of at least one of the target object and the interfering object is changed so as to eliminate or reduce the interfering caused by the interfering object for viewing the target object.
Owner:MAXELL LTD

An ultrasonic robot abnormal situation intelligent detection and handling method

ActiveCN121756400BEnsure the validity of the associationcancel noisePattern recognitionMedicine
The application discloses an ultrasonic robot abnormal situation intelligent detection and processing method, and relates to the field of ultrasonic robots, and comprises the following steps: under the operation state of the ultrasonic robot, real-time collection of ultrasonic image data of a target detection area and robot self operation state parameters is carried out based on timestamp alignment; the ultrasonic image data is subjected to environmental and equipment noise interference elimination based on pixel neighborhood correlation, a dynamic screening interval is constructed based on the preset normal working condition fluctuation range of the operation state parameters, values out of range are preliminarily removed, and the correlation alignment of the pre-processing result is completed based on the collection time sequence of the two types of data; the application can accurately collect and process data to reduce interference and remove abnormal values, and can also dynamically update the judgment standard, so that image distortion and parameter out-of-limit problems can be accurately identified.
Owner:XIEHE HOSPITAL ATTACHED TO TONGJI MEDICAL COLLEGE HUAZHONG SCI & TECH UNIV

Transparent OLED light-emitting device and display panel

This application belongs to the field of organic optoelectronics technology, specifically disclosing a transparent OLED light-emitting device and display panel. The light-emitting unit generates visible light by applying voltage to a first transparent electrode and a second transparent electrode. The electrode capping layer material, by adjusting its thickness and refractive index, causes interference reduction or increase in the reflected light from the second transparent electrode side, thereby adjusting the ratio of the luminous brightness of the second transparent electrode side to the luminous brightness of the first transparent electrode side, achieving double-sided light emission or enhanced single-sided light emission. The OLED light-emitting device provided by this application features high transparency, high brightness, and high display privacy.
Owner:HUAZHONG UNIV OF SCI & TECH