234 results about "Signal field" patented technology

The invention discloses an electroencephalogram emotion recognition method based on a hierarchical multi-scale map neural network, and belongs to the technical field of emotion calculation and bio-electricity signal processing. According to the method, structural innovation is carried out on the basis of a traditional graph neural network, a multi-scale graph network model with layer-by-layer feature enhancement from local to global is constructed, and the core lies in optimization and improvement of graph structure modeling, a feature fusion mechanism and global dependency capture capability. According to the model, local graph convolution is combined with a random walk normalized matrix, and inter-electrode spatial dependence modeling is enhanced; a virtual brain region center and an SE channel attention mechanism are introduced into the mesoscale layer, and cross-brain region emotional features are effectively extracted; a simplified Transform structure is adopted in a global layer to capture a long-distance cross-time step feature relationship, and finally, the feature expression capability and robustness are improved in combination with a diffusion generation network. According to the method, the model weight is kept, meanwhile, high-precision modeling of the complex emotion mode of the EEG signal is achieved, the accuracy, stability and cross-subject generalization ability of emotion recognition are remarkably improved, and the novel efficient emotion recognition method suitable for the multi-source physiological signal scene is provided.

One example according to the present specification relates to a technique related to configuration of a preamble in a wireless LAN (WLAN) system. According to various embodiments, a receiving STA may receive an NDP frame. The NDP frame may comprise a first signal field and a second signal field. The first signal field may comprise first information about a PHY version. The second signal field may comprise second information about transmission of a PPDU, set on the basis of the first information. The receiving STA may perform channel sounding on the basis of the NDP frame.

The invention relates to the technical field of integrated circuits, and discloses a data transmission method and device for interconnection between core particles, the core particles and a processing system.The method is applied to a first core particle and comprises the steps that a protocol layer of the first core particle receives to-be-transmitted data sent by a processor of the first core particle; a protocol layer carries out protocol layer overall packing on data to be transmitted to obtain a protocol layer packet, the protocol layer packet comprises a packet header field and a load area, the packet header field is used for identifying a channel type and a channel signal field of the load area, the channel type comprises at least one monitoring channel used for monitoring cache consistency between core particles, and the monitoring channel is used for monitoring cache consistency between the core particles. The packet header field is used for identifying a channel type and a channel signal field of the load area; and the protocol layer sends the to-be-transmitted data to the second core grain through the link layer and the physical layer of the first core grain based on the protocol layer packet. The problem of cache access consistency of processors among core particles is effectively solved.

A communication device communicates a radio frame including a preamble and a data field of a physical layer (PHY). The preamble includes an L-STF (Legacy Short Training Field), an L-LTF (Legacy Long Training Field), an L-SIG (Legacy Signal Field), an EHT-SIG-A (Extremely High Throughput Signal A Field), an EHT-STF (EHT Short Training Field), and an EHT-LTF (EHT Long Training Field), and the EHT-SIG-A includes a subfield indicating whether data are concurrently transmitted from a plurality of communication devices to a common partner device.

According to various embodiments, a reception STA may receive a PPDU. The PPDU may comprise a first signal field and a second signal field. The first signal field may comprise a plurality of first content channels and a plurality of second content channels. The second signal field may comprise a third content channel and a fourth content channel.

This application relates to the wireless communication field, and is applied to a wireless local area network that supports the 802.11be standard. In particular, this application relates to a method including: An access point AP sends a trigger frame, where the trigger frame is used for triggering a station to send an extremely high throughput trigger based physical layer protocol data unit EHT TB PPDU. The station determines, based on one or two of a value indicated by an uplink EHT spatial reuse parameter UL EHT SRP and a value indicated by one or more uplink spatial reuse parameter UL SRP fields in a common information field of the trigger frame, a value indicated by a spatial reuse parameter SRP in a universal signal field U-SIG of the EHT TB PPDU. The STA sends the EHT TB PPDU to the AP.

A quantum memory device 100 for storing a signal field 170 comprises an optical cavity comprising a first and second reflective surface 110, 120, a first and a second optical element 130,140 within th

This application discloses a data transmission method that includes: scrambling to-be-transmitted data, to obtain scrambled data; and sending the scrambled data to a receive device. The initialization bits of a scrambler used to scramble the data include a first bit sequence and a second bit sequence. The first bit sequence is carried in a service field of the to-be-transmitted data, the second bit sequence reuses a bit in a signal field of a physical layer protocol data unit (PPDU), and the quantity of the initialization bits is equal to the order of the scrambler. In embodiments of this application, when the transmit device and the receive device use the scrambler with a higher order than that in the conventional technology, the initialization bits of the scrambler are based on bits in an existing service field used for data scrambling and reused bits in some signal fields.

According to various embodiments, a reception STA may receive a physical layer protocol data unit (PPDU) including a first signal field, a second signal field, and a data field. The PPDU may be configured to be transmitted to a single user. The second signal field may consist of one content channel, and the one content channel may be duplicated in a first bandwidth in units of a second bandwidth.

The invention discloses a mechanical fault diagnosis method, system and equipment based on intermittent vibration signals. The method comprises the following steps: 1, collecting and preprocessing a vibration signal, deploying a wireless vibration sensor at a key monitoring point of mechanical equipment, and designing a working mode of the sensor as intermittent sampling; 2, model construction: constructing a fault diagnosis model fusing a wide convolution kernel time sequence convolution network and a channel attention mechanism, specifically, extracting multi-scale features in the preprocessed vibration signals layer by layer through the time sequence convolution network of a bandwidth convolution kernel, and optimizing the feature weight of each channel in combination with the novel channel attention mechanism, and finally, a Softmax function is used for outputting. 3, model training; and 4, fault diagnosis. According to the method provided by the invention, in an intermittent signal scene, weak fault features in the signal can be effectively extracted. And when the time sequence of the signal is damaged to a certain extent, the diagnosis accuracy is superior to that of the traditional method.

According to various embodiments, a reception STA may receive a physical layer protocol data unit (PPDU) including a first signal field, a second signal field, and a data field. The PPDU may be configured to be transmitted to a single user. The second signal field may consist of one content channel, and the one content channel may be duplicated in a first bandwidth in units of a second bandwidth.

The present disclosure may propose a method for transmitting / receiving a physical protocol data unit (PPDU) with an improved structure and a device related thereto. A station (STA) related to the present specification may generate an ELR PPDU including a data field. The ELR PPDU may comprise: a legacy signal (L-SIG) field including information related to the length of the ELR PPDU; and a universal signal (U-SIG) field including information for interpreting the ELR PPDU. For example, the ELR PPDU may further include a first repeated L-SIG field and a second repeated L-SIG field, which are repetitions of the L-SIG field. For example, the U-SIG field may include a first U-SIG part and a second U-SIG part. For example, the ELR PPDU may further include a first repeated U-SIG part and a second repeated U-SIG part, which are repetitions of the first U-SIG part. For example, the ELR PPDU may further include a third repeated U-SIG field and a fourth repeated U-SIG field, which are repetitions of the second U-SIG part.

The invention discloses a magnetic navigation assisted PICC (peripherally inserted central catheter) visual positioning method. The method comprises the following steps: acquiring signal field distribution data; acquiring real-time position information flow and direction information flow according to the signal field distribution data; based on the position information flow and the direction information flow, a data fusion processing technology is adopted, multi-source information is integrated, and dynamic space coordinate data of the PICC in the deep domain of the human body are obtained; according to the dynamic space coordinate data, a real-time acquisition rate optimization model is constructed, and the real-time acquisition rate optimization model is used for analyzing the delay condition of the information feedback speed and judging whether feedback delay exceeds a preset threshold value or not, and the signal field intensity is adjusted according to a judgment result; mapping the position and direction information flow of the PICC to a visual interface according to the adjusted signal field intensity and dynamic space coordinate data to obtain a preliminary dynamic visual image; and obtaining a dynamic visual image through the preliminary dynamic visual image in combination with a guide accuracy calibration mechanism.

A method and an apparatus for receiving a PPDU in a wireless LAN system are presented. In particular, a receiving STA receives a PPDU from a transmitting STA and decodes it. The PPDU comprises a first signal field and a second signal field; and a data field. The first signal field includes information for transmitting a data field within one MRU by a first MCS applied to a first frequency block and a second MCS applied to a second frequency block. The second signal field includes a common field and a user-specific field. The common field includes RU allocation information about a first frequency block and a second frequency block within one MRU. The user-specific field includes a first user field for a first frequency block and a second user field for a second frequency block.

Proposed are a method and an apparatus for receiving a PPDU in a wireless LAN system. Specifically, a receiving STA receives a PPDU from a transmitting STA via broadband communication and decodes the PPDU. The PPDU is received on the basis of an OFDMA scheme. The PPDU includes a first signal field. The first signal field includes first information on a preamble puncturing pattern for each 80 MHz band in the broadband communication. The first information consists of a 4-bit bitmap for the 80 MHz band.

Provided are an information determination method and apparatus, a device, and a storage medium. The information determination method is applied to a first node and includes the following: detecting a machine-type communication physical downlink control channel (MPDCCH) on a first subframe, where the MPDCCH carries downlink control information (DCI), and the DCI includes a signaling field indicating a value of a physical downlink shared channel (PDSCH) scheduling delay; and determining a second subframe of PDSCH transmission based on the value of the PDSCH scheduling delay.

The invention relates to the technical field of myopia prevention and control, and discloses a correction and training integrated lens and glasses based on retina signal gradient remodeling. The lens substrate is divided into a vision correction area located in the center and a multi-dimensional three-dimensional asymmetric optical signal field extending outwards in a gradient mode around the vision correction area. The multi-dimensional stereoscopic asymmetric optical signal field comprises 10000-26000 asymmetric signal field independent units and 400-1500 stereoscopic structure protrusions, wherein the asymmetric signal field independent units are formed on the concave surface of the lens substrate through laser engraving, the diameter range of the asymmetric signal field independent units is 100-300 microns, and the stereoscopic structure protrusions are formed in a protruding mode, and the diameter range of the stereoscopic structure protrusions is 0.5-2 mm. And 4-12 asymmetric signal field independent units are distributed on each three-dimensional structure bulge. The lens does not induce or increase astigmatism due to the structure of the lens, and can relieve the over-stimulation of long-time close-range eye use and abnormal environment illumination signals on the retina, so as to slow down the over-growth of the ocular axis.

The invention provides a CTG neural network aided navigation method in a GNSS weak signal scene, which comprises the following steps: synchronously acquiring inertial measurement unit IMU original data and GNSS satellite positioning data of a mobile carrier in a GNSS signal stable scene, and constructing a spatial-temporal characteristic data set containing dynamic acceleration, angular velocity and position increment; constructing a CTG network based on the data set, wherein the CTG network comprises an input layer, a feature extraction layer, a coding layer and a decoding layer which are connected in sequence; performing off-line training on the CTG network by using the spatio-temporal feature data set to obtain an optimal network weight and a model structure; iMU data are acquired in real time in a GNSS weak signal scene, and motion state implicit features are extracted through the trained CTG network and pseudo position measurement information is generated; and carrying out fusion positioning on the pseudo position measurement information and inertial navigation system (INS) data through a Kalman filter, dynamically correcting an accumulated error of inertial navigation, and outputting a continuous and smooth positioning result.

Proposed are a method and device for receiving an A-PPDU in a wireless LAN system. Specifically, a reception STA receives an A-PPDU from a transmission STA and decodes the A-PPDU. The A-PPDU includes a first PPDU for a primary 160 MHz channel and a second PPDU for a secondary 160 MHz channel. A first signal field includes information about a bandwidth in which the first PPDU is transmitted. The information about the bandwidth in which the first PPDU is transmitted includes information about a first preamble puncturing pattern punctured in a unit of a 20 MHz channel in the primary 160 MHz channel. A second signal field includes information about a second preamble puncturing pattern.

A communication device communicates a physical (PHY) frame including a preamble and a data field. The preamble includes a Legacy Short Training Field (L-STF), a Legacy Long Training Field (L-LTF), a Legacy Signal Field (L-SIG), an EHT (Extremely High Throughput) Signal Field (EHT-SIG-A), an EHT Short Training Field (EHT-STF), and an EHT Long Training Field (EHT-LTF), and the EHT-SIG-A includes at least one subfield indicating that the communication device performs communication in a frequency band more than 160 MHz.

This invention provides a method and system for alarm event reporting and remote response linkage based on wireless communication, relating to the field of intelligent security monitoring technology. The method includes: collecting raw sensor data at three-dimensional spatial state sensing anchor points deployed on the top of the equipment casing (acoustic resonant cavity), the bottom inertial reference plane, and the lateral electromagnetic shield); performing trajectory decoupling and phase synchronization processing on the raw sensor data to obtain processed data; converting the processed data into a unified alarm trigger event; performing multi-source feature analysis on the alarm trigger event to obtain event analysis results; extracting the spatial vector coordinates and dynamic stress distribution gradient of the three-dimensional spatial state sensing anchor points based on the event analysis results, introducing the attenuation characteristics of intermolecular van der Waals forces to map the signal field, and constructing a three-dimensional spatial situation fitting ellipsoid. This invention achieves efficient end-to-end coordination between on-site alarms and remote dispatching.

There is provided a method, comprising: determining a presence indicator configuration defining how a presence indicator is to be interpreted, wherein, based on the configuration, the presence indicator indicates whether a set of one or more configured reference signal occasions of a cell carries reference signals; obtaining from a base station the presence indicator; obtaining from the base station at least one reference signal configuration, each indicating at least one configured reference signal occasion; and determining, based on the presence indicator and the obtained presence indicator configuration, whether a given reference signal occasion indicated by the at least one reference signal configuration carries a reference signal.

This invention discloses a vehicle cooperative positioning system for traversing continuous blind zones, comprising a module for acquiring multi-source observation data, a module for constructing a spatiotemporally consistent cooperative factor graph, a cooperative constraint optimization module, an adaptive cooperative strategy adjustment module, and a cooperative information re-fusion module. This invention belongs to the field of data processing technology, specifically a vehicle cooperative positioning system for traversing continuous blind zones. This scheme employs observability-driven cooperative constraint construction and spatiotemporally consistent cooperative factor graph modeling, maintaining high observability and stable positioning even in scenarios without satellite signals, achieving unified fusion of multi-source heterogeneous data. It utilizes communication quality-driven adaptive cooperative switching and predictive prior constraints for delay-compensated re-fusion, achieving autonomous positioning without drift during communication interruptions and unified global trajectory calibration after communication recovery, providing high-precision and continuous positioning support for traversing continuous blind zones.

Disclosed are a method and device for single user (SU) transmission or reception based on a distributed resource unit in a wireless LAN system. A method according to one aspect of the present disclosure may comprise the steps in which: a first station (STA) generates a physical layer protocol data unit (PPDU) including a data field and one or more signaling fields including first information related to SU transmission and second information related to the application of a distributed resource unit (DRU); and the first STA transmits the PPDU to a second STA. On the basis of the first information indicating the SU transmission and the second information indicating the application of the DRU, a data field in the PPDU may be mapped onto an SU DRU.

This invention relates to the field of underground pipeline location and detection technology, and discloses a method and system for underground pipeline detection based on tracer signals. The method includes: associating a tracer with an underground pipeline; acquiring underground pipeline tracer signals to obtain a target pipeline detection dataset; obtaining the target pipeline detection dataset; comparing and verifying the target pipeline detection dataset with a special identification code to obtain a verification result; acquiring the field strength and phase information of the verified tracer signals to obtain target pipeline information data; obtaining comprehensive positioning data of the target pipeline's horizontal position and burial depth based on the target pipeline information data; and comprehensively analyzing the target pipeline's identity attributes and the comprehensive positioning data to obtain the target pipeline detection result. This invention can thus integrate multi-source detection tracer signals, deeply explore the correlation between pipeline identity attributes and target pipeline location and detection results, and accurately capture special identification codes.

The present application relates to a PPDU transmission method and apparatus, and a readable storage medium, the method comprising: an AMP device sending an AMP PPDU, the AMP PPDU comprising a synchronization field, a signaling field, and a payload, the synchronization field being generated based on a synchronization sequence, the synchronization sequence being used to indicate or correspond to at least one data rate, the signaling field being generated based on the synchronization field, and the payload being generated based on the synchronization field; the first information in the signaling field is used to indicate a data rate of the payload in conjunction with the synchronization sequence. By adopting the method and the device, the bit number of the signaling field can be saved, and the detection reliability of the synchronization sequence can be improved. The method and the device can be applied to the AMP field, such as supporting WPT, WLAN or IEEE series protocols. The method is suitable for IEEE (Institute of Electrical and Electronic Engineers) 802.11 protocols related to AMP (Amplification Management Protocol) or other protocols suitable for IEEE 802.11 series, such as 802.11 a / b / g / n / ac / ax / bee / bn protocols and the like.

A method for wireless communication, a transmitter, and a receiver are provided. The method includes the following. A transmitter transmits a first ultra-high reliability (UHR) enhanced long range (ELR) physical layer protocol data unit (PPDU). The first UHR ELR PPDU at least includes a legacy short training field (L-STF), a legacy long training field (L-LTF), a legacy signal (L-SIG) field, a repeated L-SIG (RL-SIG) field, a universal signal (U-SIG) field, a UHR-STF, a UHR-LTF, a data field, and a packet extension (PE) field, where the data field is transmitted at a granularity of a first frequency-domain resource unit with N times duplication in a bandwidth of the first UHR ELR PPDU, and N equals to 4.

A communication device communicates a physical (PHY) frame including a preamble and a data field. The preamble includes a Legacy Short Training Field (L-STF), a Legacy Long Training Field (L-LTF), a Legacy Signal Field (L-SIG), an EHT Signal Field (EHT-SIG-A), an EHT Short Training Field (EHT-STF), and an EHT Long Training Field (EHT-LTF), and the EHT-SIG-A includes a subfield indicating the number of spatial streams which are formed by the communication device and not less than one communication device different from the communication device.