165 results about "Signal field" patented technology

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.

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.

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.

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.

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.

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.

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.

The present disclosure provides a communication apparatus and a communication method for multiple-access-point (multi-AP or M-AP) coordination. The communication apparatus may be an access point (AP) comprising: circuitry, which in operation, generates a first frame within a time period obtained by or allocated to the first AP, the first frame comprising a first signal field indicating a time or frequency resource required for the first AP to exchange data in a basic service set (BSS) of the first AP; and a transmitter, which in operation, transmits the first frame to a second AP.

A communication apparatus includes a receiver that receives a PPDU and circuitry that processes the PPDU. The PPDU includes a first signal field, a second signal field, a third signal field including a version independent part and a version dependent part, and an EHT-SIG field or a future signal field defined in future PPDUs newer than an EHT-PPDU. The second signal field indicates whether a PHY version of the PPDU is not older than a defined PHY version. The version independent part is consistent in location across the EHT-PPDU and the future PPDUs. The version independent part includes a PHY version identifier, an uplink / downlink flag, a BSS color, and a TXOP duration. The PHY version identifier contains a defined number of version independent bits that indicates the PHY version of the PPDU. The third signal field is BPSK modulated and is consistent across the EHT PPDU and the future PPDUs.

A quantum memory device for storing a signal field is provided. The quantum memory device comprises an optical cavity comprising a first reflective surface and a second reflective surface; a first optical element and a second optical element arranged within the optical cavity; an atomic system situated between the first optical element and the second optical element, the atomic system configured to store the signal field via an atomic transition; and one or more magnets configured to apply an axial magnetic field across the atomic system.

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.

The invention provides a segmented unmanned aerial vehicle navigation system combining an improved ant colony algorithm with reinforcement learning. The method comprises the following steps: firstly, taking received signal strength (RSS) as a navigation reference, and dividing the whole navigation process into a weak signal field flight stage and a strong signal field flight stage by setting an RSS threshold value; the invention aims to solve the problem of how to quickly position a distress source and plan a subsequent material distribution route in an emergency rescue scene by using an unmanned aerial vehicle. In consideration of the influence of a mountain, an environmental medium and the like on signal propagation, when the distance from a distress source is relatively far, the gradient change of received signal strength is not obvious, so that RSS is not enough to support navigation path finding of an unmanned aerial vehicle in a weak signal field. The navigation path-finding process of the unmanned aerial vehicle in a rescue scene is simulated in an experiment. The result shows that the search and rescue efficiency in the unknown environment is improved, and the optimal path length is shortened.

This invention relates to the field of signal modulation recognition technology, and particularly to a method and system for accelerating forward inference of signal modulation recognition based on ZYNQ. On the processing system PS side, a dual-core ARM processor reads the signal IQ data to be recognized stored in external memory via DMA, and writes the signal IQ data to be recognized into the programmable logic (PL) side buffer. On the PL side, a pre-trained convolutional neural network model is used to perform forward inference on the signal IQ data to be recognized, and the processing system PS side receives and executes the computational resource scheduling for the forward inference on the PL side. This invention designs a signal modulation recognition network model and represents the trained model structure using a high-level language. It optimizes the high-level language representation of the network model using high-level synthesis tools, enabling efficient, accurate, and fast signal modulation recognition in real-time signal scenarios on the ZYNQ scalable platform, showing promising application prospects in real-time signal modulation recognition scenarios.

A receiver receives a wireless signal comprising a plurality of fields including a legacy short training field (L-STF), legacy long training field (L-LTF), and legacy signal (L-SIG) field transmitted to a plurality of antenna of the receiver. For each sub-band in a receiver bandwidth and when samples of the L-STF is received, a first angle based autocorrelation is performed to determine a group of sub-bands which maximize a magnitude based on the first autocorrelations for one or more sub-bands. For each sub-band in the receiver bandwidth and when samples of the L-LTF is received, a second angle based autocorrelation is then performed to refine the crude bandwidth pattern estimate. One or more signal fields and one or more data fields of the received signal are decoded based on the refined bandwidth pattern estimate.

A method performed by a wireless transmit / receive unit (WTRU) in a wireless local area network for communication includes transmitting a message in a set of data tones in a combined tone distributed resource unit (TD-RU) wherein a signal field of a preamble of a protocol data unit (PDU) indicates a data tone for transmission of the message, and wherein the combined TD-RU consists of a tone plan comprising an arrangement of data tones such that the first small TD-RU and the second small TD-RU are included in the combined TD-RU wherein the combined TD-RU has a bandwidth of a combined bandwidth comprising bandwidths of the first small TD-RU and the second small TD-RU, the data tones arranged in the combined TD-RU are organized into a plurality of groups of one or more tones; and receiving a message via combining the data tones of the TD-RU.

This application provides a phase tracking method, apparatus, device, and medium for a multi-user system receiver, applied to a target WiFi receiver; the method includes: demodulating an ultra-high throughput modulated signal to obtain a corresponding ultra-high throughput signal field, extracting each user-specific configuration block of the ultra-high throughput signal field, verifying the user-specific configuration block to obtain a verification result, determining a joint pilot set based on the verification result, and performing phase tracking based on the joint pilot set using a digital phase-locked loop.

The present application relates to a kind of well seismic signal-noise superposition wave field high-dimensional multi-component feature intelligent separation method, belong to geophysical oil and gas resource exploration field.Establish time-domain multi-component decomposition result serves different dimension differentiation characteristic property expression;Six-dimensional characteristic attribute space based on multi-component signal-noise component is established, and the mathematical characteristics of complex signal wave and multiple types of noise in DAS record, such as direct wave and reflected wave, are revealed;Dual-stage highly integrated framework with tree model as base learner is set up to complete the feature point category determination separation task in high-dimensional attribute space, so as to accurately and efficiently realize low-damage preservation of signal wave field and maximum suppression of noise wave field.The method is flexible, accurately preserves the amplitude characteristics and frequency energy components of DAS two-dimensional exploration record signal field in well, the mathematical basis is reliable and reliable, and the feature is strongly interpretable, which provides an important basis for thin and fine layer detection, oil and gas reservoir exploitation and other practical applications.

The utility model relates to the technical field of radio frequency radiation immunity testing, and discloses a to-be-tested equipment placing table in a radio frequency radiation immunity test, which comprises a table plate, a supporting piece and a fixing device, and is characterized in that the table plate is provided with a wire accommodating groove which extends along the length direction of the table plate; the supporting piece is arranged on the surface, adjacent to the ground, of the bedplate; and the fixing device is arranged in the wire accommodating groove and is used for fixing a connecting wire of the to-be-tested equipment. According to the placing table for the equipment to be tested in the radio frequency radiation immunity test, the fixing device is arranged in the wire containing groove, the height of the fixing device is not higher than the upper surface of the table plate, the fixing device is used for fixing a connecting wire of the equipment to be tested, and when the number of cables, signal wires and control wires of the equipment to be tested is large, the fixing device is fixed. The cables, the signal lines and the control lines are limited in the wire accommodating grooves through the fixing devices, so that all the cables, the signal lines and the control lines can be in a uniform interference signal field, and the influence on a test result is avoided.

The application discloses a signal modulation recognition and positioning method based on a time-frequency graph and a visual language model, relates to the technical field of signal processing and artificial intelligence, and aims at the problems of low recognition accuracy, dependence on manual annotation and poor generalization of a general model in a signal scene in the prior art, and generates a time-frequency graph through a short-time Fourier transform; a fine-tuned YOLO model is used to automatically generate the boundary box coordinates and the category label of a signal target; a description text is generated in combination with a language model to construct a multi-modal training pair; a visual language model is fine-tuned by adopting a strategy of combining a graph-text matching loss and a coordinate regression loss, and finally, intelligent recognition and accurate positioning of a signal target in a time-frequency graph are realized. The application is suitable for signal detection and spectrum situation awareness in a complex electromagnetic environment.

Provided in an embodiment of the present invention are a modulation signal generation method and device, a storage medium, an electronic device and a computer program product, the method comprising: according to a frequency domain resource occupied by a user, determining a value of a first subcarrier for bearing various preamble symbols of an initial modulation signal to be generated, determining a first index of a first effective subcarrier of the first subcarrier; generating a second index of a second subcarrier for bearing a signal field symbol of an initial modulation signal to be generated and data according to a predetermined interleaving mode and a dual carrier modulation (DCM) rule; selecting various symbols and data of a to-be-generated initial modulation signal according to a predetermined selection receiving mode, and correspondingly bearing the various symbols and data of the to-be-generated initial modulation signal on the first effective subcarrier and the second effective subcarrier based on the first index and the second index to obtain the initial modulation signal; and sequentially performing frequency domain processing and time domain processing on the initial modulation signal to obtain a target modulation signal.

A format for a physical layer protocol data unit (PPDU) transmittable over a network is disclosed. The PPDU includes a field having one or more bits identifying whether a vendor-specific signal field (VS-SIG) is present in the PPDU. When present, the VS-SIG includes one or more bits identifying a vendor-specific language that presents vendor-specific data. The VS-SIG also includes one or more bits representing vendor-specific data in a vendor-specific language.

The application provides a communication method and a WLAN communication device for reducing a peak-to-average ratio of a WLAN signal, for transmitting a physical layer protocol data unit (PPDU) containing a legacy signal field (L-SIG), the communication method comprising: configuring a state value of a first field in the L-SIG to indicate whether a second field in the L-SIG is subjected to scrambling processing; when the first field is a first state value, not performing scrambling processing on the second field, and when the first field is a second state value, performing scrambling processing on the second field; and transmitting the PPDU.

The utility model discloses a digital indicator for an auxiliary signal station track of a railway pull-in route, and relates to the field of auxiliary signals of the railway pull-in route. The auxiliary signal station track digital indicator for railway station entering and route entering comprises a station track digital indicator unit. According to the auxiliary signal station track digital indicator for railway station entering and route entering, turnout position sensors are installed at switch rails of a main track and a side track, whether the track changing action is in place or not is monitored in real time, signal transmission is conducted, and a programmable logic controller is installed in a station track digital indicator body. Input signals from a photoelectric sensor in the signal machine unit and a turnout position sensor on the track unit are received, and synchronous judgment logic is executed. The turnout position sensor compares the time sequence and the state of the two signals through a preset program, and if the allowable time difference is exceeded or the states are inconsistent, a fault is triggered.