6311 results about "Wireless signal" patented technology

The invention provides a wireless signal and thermal imaging multi-modal cooperative detection and directional interference method and system, and relates to the technical field of electronic countermeasures, and the method comprises the steps: carrying out the time domain synchronization and spatial domain registration of wireless signal data and infrared thermal imaging data, constructing a multi-modal feature fusion network, and carrying out the wireless signal and thermal imaging multi-modal cooperative detection and directional interference. And an attention mechanism and a recurrent neural network are adopted to extract time sequence features of the target, and position coordinates, motion states and behavior pattern information of the target are output. And then, based on a target state evaluation model and a reinforcement learning algorithm, an intelligent interference strategy is designed, and an interference beam is dynamically adjusted through an adaptive beam forming technology, so that accurate directional interference on the target is finally realized. The target detection precision and the interference efficiency can be effectively improved, the false alarm rate is reduced, and the target identification and interference capability in a complex environment is enhanced.

The invention relates to the technical field of wireless signal detection, and discloses a wireless anti-interference signal detection method, device and equipment and a storage medium, and the method comprises the steps: collecting a standardized interference feature vector through a multi-scene wireless signal receiving device; performing interference feature enhancement processing on the standardized interference feature vector to obtain an interference feature sample set; constructing a dual-array cooperative detection system comprising a passive detection array and an active detection array, and performing real-time monitoring to obtain dual-path interference signal monitoring data; performing spatial domain and time-frequency domain dual feature extraction and fusion processing on the dual-path interference signal monitoring data to obtain a comprehensive interference feature; the receiver filtering parameter matrix and the detection threshold vector of the double-array cooperative detection system are dynamically adjusted according to the comprehensive interference characteristics, the method can adapt to changes of different interference environments in a self-adaptive mode, comprehensive coverage of communication spectrums is achieved, and the wireless anti-interference monitoring range and the spectrum sensing capacity are greatly expanded.

A method and system for protecting low-altitude airspace against unauthorized unmanned aerial vehicles by using a base station having communication and jamming functions. The present invention relates to the field of communications, unmanned aerial vehicles, and security supervision, and specifically to a method and system for managing unmanned aerial vehicles to protect low-altitude safety by using a wireless communication network base station to provide low-altitude wireless signal coverage comprising communication signals and jamming signals. "Low altitude, slow speed, and small size" unmanned aerial vehicles have become the main users of low-altitude airspace in China, but the safety supervision on the flight of unmanned aerial vehicles in low-altitude airspace is difficult to implement. By means of the present invention, the function of a jamming signal generator is integrated into a base station (base station having communication and jamming functions), and the effective coverage of communication / jamming signals in restricted areas can be realized in a cost-effective manner through wide deployment of base station network systems, imparting the restricted areas with a significant electromagnetic signal characteristic, thereby effectively preventing the intrusion of unauthorized unmanned aerial vehicles. In addition, the management and control of authorized networked unmanned aerial vehicles is implemented through networking and communication, providing technical means for the electronic management of unmanned aerial vehicles in low-altitude airspace.

The embodiment of the invention relates to a signal synchronization method and device based on an OFDM (Orthogonal Frequency Division Multiplexing) system, and the method comprises the steps: carrying out the self-correlation calculation of a received wireless signal through a preset time interval and a preset window length, and when a self-correlation value corresponding to a sampling point at a certain moment is greater than a preset self-correlation peak threshold value, carrying out the self-correlation calculation; according to the method and the device, whether the signal in the preset window length corresponding to the sampling point at the moment is the effective signal is judged, so that a false self-correlation peak caused by the noise and a real self-correlation peak caused by the effective signal can be further distinguished, a false synchronization phenomenon caused by the noise is avoided, and the accuracy and the reliability of signal synchronization are improved.

Systems and methods are provided for multi-domain vulnerability assessment. An exemplary system includes a plurality of wireless signal detectors, wherein each of the wireless signal detectors is configured to detect wireless signals of a respective wireless signal protocol of a plurality of wireless signal protocols. The wireless signal detectors transmit the signal data to a data processor that classifies the plurality of devices based on the wireless signal data, determines one or more device vulnerabilities associated with the plurality of devices based on the classification of the plurality of devices, and determine a plurality of device risks for the plurality of devices based on the plurality of device vulnerabilities.

The invention provides an HPLC (High Performance Liquid Chromatography) and micropower wireless dual-mode communication method, which belongs to the technical field of multiplexing communication, is used for realizing cooperative transmission of power line carrier communication and micropower wireless communication, and comprises a modulation end method and a demodulation end method. According to the modulation end, firstly, HPLC and micropower wireless signals are collected, and band-pass filtering and spectrum sensing are carried out, so that frequency bands which do not interfere with each other are obtained. Then, a unified time reference is established, transmission delay is calculated, and delay compensation is carried out; and then, modulating and transmitting by adopting an orthogonal frequency division multiplexing technology. And at a receiving end, main and standby channels are selected according to the signal strength, and demodulation and data recovery are performed by adopting an adaptive modulation and demodulation technology. According to the scheme, the advantages of HPLC and micropower wireless are fully utilized, fusion of two communication technologies is achieved, and the technical problem that effective cooperation is difficult to achieve due to the fact that existing HPLC and micropower wireless communication often adopt independent communication carriers and transmission protocols is solved.

Apparatuses, systems, and techniques to perform an API to indicate an allocation of wireless signal processing operations. In at least one embodiment, a distributed unit and radio unit perform one or more operations based, at least in part, on an indicated allocation. In at least one embodiment, a processor comprising one or more circuits performs an application programming interface (API) to indicate an allocation of wireless signal processing operations between one or more Open Radio Access Network (O-RAN) radio units (RUs) and one or more O-RAN distributed units (DUs).

Disclosed are a method and apparatus for transmitting / receiving a wireless signal in a wireless communication system. A method performed by a UE in a wireless communication system, according to an embodiment of the present disclosure may comprise: receiving configuration information including a plurality of resources for CSI reporting; receiving a reference signal by skipping at least one resource from among the plurality of resources; at least one of determining first CSI for a resource excluding the at least one resource from the plurality of resources, based on the received reference signal, and determining second CSI for the at least one resource based on a CSI prediction-related algorithm; and performing the CSI reporting for at least one of the first CSI and the second CSI.

The invention provides an electric control box remote data acquisition system based on the Internet of Things, and relates to the technical field of data processing, and the method comprises the steps: obtaining the operation state data of an electric control box through a sensor, transmitting the operation state data through a wireless signal network, obtaining a data frame set, analyzing the data identifier of each data frame, verifying the integrity of the data, and obtaining the data frame set; determining performance parameters of the wireless signal network, detecting whether an abnormal change occurs in the transmission process, generating a solution when the abnormal change occurs, generating a retransmission signal when packet loss occurs in the transmission process, determining a retransmission queue according to the data identifier, and transmitting the retransmission signal according to the retransmission queue when delay occurs in the transmission process. The priority of a retransmission queue and the distribution of network bandwidth are dynamically adjusted, and when signal attenuation occurs in the transmission process, the execution sequence is adjusted according to the operation record and result of a solution by switching a transmission channel and adjusting transmission power. The transmission process of the operation data of the electric control box can be detected.

A method and a device for transmitting / receiving a wireless signal in a wireless communication system are disclosed. A method by which a terminal reports channel state information (CSI), according to one embodiment of the present disclosure, may comprise the steps of: receiving, from a base station, configuration information related to a CSI report; receiving, from the base station, at least one CSI-reference signal (CSI-RS) on the basis of the configuration information; and transmitting, to the base station, a CSI calculated on the basis of the at least one CSI-RS. Here, the CSI can include a plurality of parameters according to the configuration information, and at least one of the plurality of parameters can be determined on the basis of a specific learning algorithm.

The invention discloses a signal processing method based on deep learning and adaptive filtering fusion. The method comprises the following steps: S1, collecting and preprocessing an original signal; s2, carrying out adaptive filtering; s3, constructing a deep neural network model to perform deep feature extraction on the filtered signal; s4, signal fusion and interference elimination are carried out; S5, a real-time closed-loop feedback mechanism is established, and dynamic parameter adjustment is carried out; s6, performing an end-to-end dynamic optimization process; s7, performing iterative updating and high-confidence sample judgment; and S8, processing a newly collected signal by using the trained adaptive filtering module and the deep neural network model, and generating a reconstructed signal through signal fusion. According to the method, through effective fusion of adaptive filtering and the deep neural network, accurate suppression and high-dimensional feature extraction of a multipath effect, nonlinear noise and transient interference in a complex wireless signal are realized, so that the precision, robustness and real-time performance of signal processing are remarkably improved.

Apparatuses, systems, and techniques that utilize a neural network to infer signal parameters to direct and transmit wireless signals. In at least one embodiment, one or more neural networks are trained, using reinforcement learning techniques, to infer a beam direction to be used by a first device to transmit a signal based, at least in part, on characteristics of another signal being transmitted by a second device.

An information handling system may include a hardware processor, a memory device, wireless systems, a power source, and plural Universal Serial Ports (USB) or the information handling system may be operatively coupled to a docking station with the plural USB ports. The information handling system may utilize a wireless dongle operatively coupled to the hardware processing device via one USB port that is wirelessly coupled to a wireless input / output device, the wireless dongle comprising a wireless dongle antenna to send and receive data wirelessly with the wireless device, a wireless dongle hardware processing device, and wireless dongle wireless interference detection firmware to detect fail parameters. Execution of code instructions of a wireless interference determination system by the hardware processor may determine combinations of fail parameters diagnose wireless interference from another USB port or other wireless devices as well as determine other wireless signal issues and generate remediation instructions.

Apparatuses, systems, and techniques to perform an API to indicate an allocation of wireless signal processing operations. In at least one embodiment, a distributed unit and radio unit perform one or more operations based, at least in part, on an indicated allocation. In at least one embodiment, a processor comprising one or more circuits performs an application programming interface (API) to indicate an allocation of wireless signal processing operations between one or more Open Radio Access Network (O-RAN) radio units (RUs) and one or more O-RAN distributed units (DUs).

Disclosed are a method and apparatus for transmitting and receiving a wireless signal in a wireless communication system. The method according to an embodiment of the present disclosure may comprise the steps of: receiving, from a base station, first configuration information including a list of TCI states, the list of TCI states providing a reference signal for a QCL for a downlink channel and / or a reference for determining an uplink transmission spatial filter for an uplink channel; receiving, from the base station, second configuration information related to a CORESET, a plurality of CORESETs, which have different CORESET full indexes, being configured by the second configuration information; and receiving DCI from the base station.

Apparatuses, systems, and techniques that utilize a neural network to jointly infer signal parameters to direct and transmit wireless signals. In at least one embodiment, one or more neural networks are trained, using reinforcement learning techniques, to infer hybrid beamforming parameters used by one or more devices to transmit wireless signals.

The invention relates to the technical field of radio orientation, in particular to a measuring method capable of tracking and recording motion trail information of a vibrating rod, which comprises the following steps: arranging at least four UWB (Ultra Wideband) base stations, fixing UWB transmitters at the joint of the vibrating end of the vibrating rod and a rubber tube, and fixing IMU (Inertial Measurement Unit) sensors at the vibrating end of the vibrating rod; according to the data output by the UWB transmitter and the IMU sensor, the position and posture of the vibrating rod in the detected target mold are calculated through a positioning algorithm, and the motion trail of the vibrating rod is further calculated; and according to the vibrating time, the vibrating area and the vibrating area overlapping degree of the vibrating rod, the vibrating state of the concrete is analyzed. The UWB technology and the IMU technology are fused, so that high-precision positioning of the vibrating rod can still be kept under the ground where wireless signals such as GPS signals cannot be transmitted, and the vibrating quality can be conveniently detected and evaluated.

An apparatus configured for communicating in a mobile wireless communication network, the apparatus having a wireless interface for transceiving wireless signals in the mobile wireless communication network is configured for communicating over a sidelink, SL, in the mobile wireless communication system, the sidelink providing for a plurality of time slots, each time slot having a slot duration. The apparatus is configured for using at least a first time interval of the slot duration, to perform a listen-before-talk, LBT, procedure to determine an availability of the time slot; and to use a second time interval of the slot duration for a wireless transmission based on the determined availability; and / or for using at least a first slot duration, to perform a listen-before-talk, LBT, procedure to determine an availability of a later second time slot and to use the second time slot for a wireless transmission based on the determined availability.

The present disclosure relates to a method and an apparatus for operating in a wireless communication system, the method comprising the operations of: receiving configuration information related to CSI prediction; and deriving predicted CSI for a second time point later than a first time point from CSI for the first time point, based on the configuration information, wherein based on the predicted CSI satisfying an event, actual CSI for the second time point, measured from a reference signal is transmitted, and wherein based on the predicted CSI not satisfying the event, CSI reporting for the second time point is dropped.

In some implementations, a server may send a request to a first wireless device for capability information, wherein the first wireless device is capable of transmitting both cellular and ultra-wideband (UWB) wireless signals. The server may receive a response from the first wireless device, the response comprising the capability information regarding a capability of the first wireless device for performing UWB positioning. The server may determine first UWB assistance data for the first wireless device based at least in part on (i) the capability information and (ii) information regarding one or more positioning signals transmitted in a cellular wireless network, wherein the first UWB assistance data comprises one or more parameters for a first set of one or more UWB positioning sessions between the first wireless device and a second wireless device. The server may send the first UWB assistance data from the server to the first wireless device.

A communication system may include an electronic device, one or more external devices, and one or more reconfigurable intelligent surfaces (RIS's). Wireless signals may be incident upon the RIS(s) from the external device(s). The RIS(s) may have antenna elements that reflect the signals towards the electronic device while being swept over a set of reflected angles. The device may include one or more antennas that receive the reflected wireless signals. The device may perform measurements of the received wireless signals and may generate a steering vector using the measurements. The device may input the steering vector to a super-resolution algorithm that outputs angles-of-arrival of the wireless signals at the RIS(s), which can be used to detect the position of the external device(s). The device may receive the wireless signals using a single antenna to minimize resource and space consumption or using multiple antennas to maximize location accuracy.

Methods and apparatuses (e.g., tracking system, tracking devices, etc.) for tracking a subject to prevent elopement. The methods and apparatuses described herein may be used to prevent elopement from health care environments. The methods and apparatuses may be specifically configured to provide energy and cost efficient mechanisms to prevent elopement and to track subjects. For example, these methods and apparatuses may monitor, using a wearable tracking device, low-energy sensor data and determining whether the sensor data exceeds a threshold. If the sensor data exceeds a threshold, then the tracking device can turn on scanning for a wireless signals associated with a known location, and / or activate a location-determining subsystem of the tracking device and transmit location information and / or an alert to a remote processor.

The invention discloses a wireless communication battery management system with a signal adaptive adjustment function, and relates to the field of wireless communication networks. The signal monitoring unit is used for monitoring parameter data of wireless signals in real time and transmitting the parameter data to the signal processing unit, and the signal processing unit comprises a multi-band antenna and a signal acquisition circuit; and the signal processing unit is connected to the signal monitoring unit and is used for receiving the parameter data of the wireless signal transmitted by the signal monitoring unit and carrying out filtering, noise reduction and enhancement processing on the signal through a preset signal processing algorithm. The distributed multi-band antenna design is combined with the automatic gain control technology, the signal receiving range is expanded, blind areas are reduced, the stability of signal collection in a complex environment is improved, signal multi-scale noise reduction is achieved through the wavelet transform algorithm, the signal quality trend is pre-judged in advance in combination with machine learning prediction, and the signal quality is improved. And the control unit is supported to pre-adjust the transmitting power and switch to a high-quality frequency band, so that the probability of communication interruption is reduced.

The invention discloses an infant posture intelligent detection and early warning monitoring system which is characterized in that the system comprises an information terminal, a processing side end and a display terminal, and the information terminal comprises a camera and monitors the posture and state of an infant in real time; images and posture information acquired by the camera are transmitted to the processing side end through wireless signals to be analyzed and processed; the processing side end comprises a small computing device with an AI function and a server with an AI processing capability; the small computing device performs preliminary data processing, and then sends the processed data or unprocessed original data to a server with stronger AI processing capability for further analysis; the server analyzes the posture data of the baby through a deep learning algorithm, detects abnormal postures and makes early warning judgment, and an analysis result is transmitted to the display terminal through a wireless signal; the display terminal comprises a plurality of display devices. According to the invention, intelligent detection and real-time early warning of baby postures can be realized, and the stability is good.

A signal for wireless transmission is modulated by converting a serial sequence of symbols in the time domain into parallel symbol streams, transforming the parallel symbol streams into the frequency domain, mapping the resulting frequency domain signals onto subcarriers, converting the mapped signals into the time domain and converting the parallel time-domain signals into a serial signal. The serial signal is subjected to chirping and is transmitted to a receiver after adding a cyclic prefix (CP). The receiver removes the CP from the signal and, after de-chirping the prefix-less signal, converts the signal into parallel signals. The parallel signals are converted into the frequency domain for channel estimation, equalisation, and subcarrier mapping of detected symbols. The mapped symbols are transformed into the time domain before converting them into a serial stream of symbols.

One embodiment provides a method for presence detection based on wireless signal analysis, the method comprising extracting features from wireless signals transmitted between a plurality of stations (STAs) and at least one access-point (AP) located within a space comprising a plurality of portions, wherein the AP is located in a particular portion of the space and a plurality of STAs are located in different portions in the space such that there are non-line-of-sight (NLOS) signals between the AP and the plurality of STAs as a result of signal obstructions within the space, processing the features using feature analysis, and detecting a location of a user motion within a particular portion of the plurality of portions of the space based on the feature analysis.

The invention provides a wireless signal detection and positioning method and system, and relates to the technical field of wireless communication, and the method comprises the steps: collecting signal characteristic parameters through a plurality of monitoring devices, constructing a three-dimensional time-frequency space matrix, carrying out envelope modulation to construct a primary function, carrying out iterative projection to obtain a reconstructed signal, and extracting a characteristic fingerprint through a high-order statistical moment; constructing a topological graph according to geographic distribution to calculate information entropy, and performing dynamic clustering fusion; a scene type is identified and a location is estimated in combination with historical data. The wireless signal detection accuracy and the positioning precision can be improved, and the method adapts to a complex electromagnetic environment.

A food thermometer includes: a circuit board, a charging assembly, an energy storage element, an insulating member, a first metal housing, and a first temperature detection unit configured to detect a temperature of food. The circuit board is electrically connected to the charging assembly and the energy storage element; and the circuit board, the charging assembly and the energy storage element are disposed on one side of the insulating member. The first metal housing is electrically connected to the circuit board and is disposed on the other side of the insulating member. The first temperature detection unit is electrically connected to the circuit board to transmit a temperature signal to the circuit board, and the first metal housing is configured to transmit the temperature signal, as a wireless signal, to an external terminal.

The invention discloses an unmanned aerial vehicle multi-mode interference device based on a digital source, and relates to the technical field of electromagnetic security and protection. According to the unmanned aerial vehicle multi-mode interference device based on the digital source, airspace wireless signals are monitored in real time through multi-channel software defined radio SDR equipment, frequency hopping data of a target unmanned aerial vehicle are collected, and historical data traceability analysis is combined; backtracking the frequency hopping decision logic of the unmanned aerial vehicle by using a digital source, extracting a communication mode and predicting possible frequency hopping points in the future; in the interference implementation stage, a predictive interference strategy is adopted, when a target unmanned aerial vehicle hops to a predictive frequency band, directional high-power interference is triggered immediately, a communication link of the target unmanned aerial vehicle is blocked, the frequency hopping logic of the target unmanned aerial vehicle is invalid, the target unmanned aerial vehicle is forced to enter a blind frequency hopping state, and the communication stability is reduced; the communication mode of the target unmanned aerial vehicle is copied in combination with a signal mirroring technology, and a part of credible communication signals are forged to guide the target unmanned aerial vehicle to misjudge the optimal communication frequency, so that the target unmanned aerial vehicle enters a frequency band susceptible to interference by mistake, the communication capability is further reduced, and the interference effect is improved.

According to embodiments, provided is an antenna comprising: a substrate of a square shape including first to fourth corners; a radiation unit disposed on the substrate and including a first radiation unit and a second radiation unit that radiate a wireless signal; a first feed line that applies the wireless signal to the first radiation unit; a second feed line that applies the wireless signal to the second radiation unit and has an extension line that perpendicularly intersects with an extension line of the first feed line; and a ground portion disposed on the substrate and spaced apart from the radiation unit and having at least a portion of a boundary area including a step shape, wherein the ground unit includes a shared ground unit that is disposed diagonally from a first edge to a third edge, is located between the first radiation unit and the second radiation unit, and performs impedance matching of the first radiation unit and the second radiation unit.