56 results about "Radio fix" patented technology

The invention relates to the technical field of radio positioning monitoring, in particular to a multi-warehouse cooperative state monitoring method and system for intelligent warehouse logistics docking. Comprising the following steps: acquiring real-time state data of a plurality of warehouses, including warehouse cargo position data, equipment state data, logistics vehicle position data and personnel distribution data; analyzing the data by adopting a multi-warehouse collaborative state evaluation model, and identifying potential logistics bottleneck points and risk points; and according to an identification result, generating a multi-warehouse collaborative optimization scheme including logistics path planning, a resource allocation strategy and an emergency processing suggestion. Wherein the evaluation model adopts a multi-level architecture, and comprehensive and accurate risk identification is realized through combination of static environment monitoring and dynamic environment monitoring. The system forms a complete optimization-implementation-evaluation closed loop, so that the multi-warehouse cooperative operation efficiency is improved, the logistics cost is reduced, the ability of the system to cope with demand fluctuation and emergencies is enhanced, and a reliable guarantee is provided for upgrading and optimization of the intelligent warehouse logistics system.

The invention discloses a fractional derivative positioning optimization method based on adaptive data driving, which belongs to the technical field of radio positioning, and comprises the following steps: S1, receiving a signal strength indication value at an actual position by using a sensor in a target area, and generating an RSSI data set; s2, according to the RSSI data set, generating and training a fractional derivative kernel adaptive filter; and S3, inputting the actual position and the RSSI data set into the trained fractional derivative kernel adaptive filter to obtain a target position. Compared with a traditional classical kernel adaptive filtering method, the method has the advantages that a fractional order derivative is adopted to construct a weight updating strategy, and higher and more stable filtering precision is achieved; according to the method, the fractional calculus is combined with the q Laplacian kernel technology to be introduced into the kernel adaptive filter to construct the positioning system for the first time, and experiments show that the algorithm can obtain better positioning precision compared with the current most advanced positioning algorithm.

The present invention discloses a radio orientation method. A radio positioning device includes a radio receiver (hereinafter referred to as the receiver), an antenna, a signal generating module, an external crystal oscillator and a signal processing module. The receiver transmits the collected radio signal data to the signal processing module through USB, Ethernet, WIFI, Bluetooth or other communication interfaces (hereinafter collectively referred to as communication interfaces). The signal processing module performs data processing based on MUSIC, ESPRIT, WSF, ISM, a new DOA estimation algorithm based on Bayesian compressed sensing learning or other DOA estimation algorithms (hereinafter collectively referred to as DOA estimation algorithms) to obtain the direction of the signal source and complete orientation. The method disclosed by the present invention improves the efficiency of radio orientation, visualizes the orientation results, simplifies the structure of the orientation device, and can be applied to a variety of working conditions, which is a technical advancement in this field.

The invention discloses a design method for controlling interaction of a plurality of radio stations under short-wave networking, which comprises the following steps of: in a starting stage, acquiring radio station fixed parameters of all network control console sides; sending an application subscription protocol to all radio stations on the network console side; sending all successfully planned short-wave frequency sets to the successfully subscribed radio stations, and pre-tuning the frequency sets by the radio stations; sending other parameter configurations of the radio station to the radio station which is successfully pre-tuned, and sending a setting result after the radio station is successfully set; after a task execution command is sent out, service switching is carried out; selecting a proper transmitting radio station group; a transmitting frequency point of each transmitting point is selected through an ionosphere propagation prediction model frequency selection algorithm, and the frequency and the bandwidth of the current service are modified at the corresponding radio station; state reports of the selected radio station groups are compared, and the same service content information is uniformly sent to the ready radio stations within a certain time; according to the scheme, the wireless transmission efficiency under networking is improved, and the diversity combining effectiveness is improved.

The present invention discloses an airborne lightning detection system, which belongs to the technical fields of lightning early warning for aircraft and lightning monitoring and early warning for high-speed ground vehicles. It addresses the problem that existing technologies cannot achieve high-precision single-station measurements, making them unsuitable for use in mobile devices. The system includes vertical and horizontal antennas for acquiring vertical and horizontal electric field signals from a space lightning radiation source; an integration circuit for converting the electric field signals into voltages; a high-pass amplifier circuit for filtering out clutter from the integrated voltage signal, performing waveform identification and matching, and amplifying the radiation signal; a sampling analog-to-digital conversion circuit for sampling the signal output by the high-pass amplifier circuit and converting the analog signal into a digital signal; a radio positioning antenna for acquiring lightning direction information from the lightning radiation source; and an embedded Linux system that combines the digital signal and lightning direction information to calculate the distance from the lightning radiation source. The system is used to calculate the distance between the radiation source and an observation point.

The application belongs to the technical field of communication, and proposes a city road traffic congestion control method and system based on radio positioning. The main scheme is as follows: a base station sends a first confirmation instruction to a first communication range at a first communication frequency; a vehicle-mounted navigation software of a vehicle receives the first confirmation instruction, obtains initial congestion information based on the reception information of the first confirmation instruction, and determines whether to establish a self-organizing network according to the initial congestion information; in the self-organizing network, each vehicle receiving the first confirmation instruction is regarded as a basic node, and a center node is selected from the basic nodes; the center node sends a second request instruction to the basic nodes in a second communication range at a second wireless communication frequency; based on the response information of the second request instruction, it is determined whether the lane where the vehicle corresponding to the basic node is located is congested; when it is determined that the lane is congested, the rear vehicle in the same driving direction is sent the lane change suggestion information.

The invention belongs to the technical field of radio positioning and motion control, and particularly discloses an exoskeleton control filtering method based on UWB and IMU fusion, and the method comprises the steps: deploying a UWB base station, a UWB tag, and an IMU module; the first displacement of the knee joint in the horizontal direction is measured through the UWB tag, the first forward speed is calculated, the second displacement of the knee joint in the horizontal direction is measured through the IMU module, and the second forward speed is calculated; and constructing a state equation and an observation equation, generating Sigma points, executing unscented Kalman filtering iteration, and optimizing a prediction result until the confidence coefficient of the prediction result reaches a preset value. According to the invention, the angle is calculated by using the PDOA algorithm, and the angle and the angular velocity measured by the IMU module are fused through the unscented Kalman filtering, so that the motion direction error caused by a single sensor is avoided, and the attitude estimation precision of exoskeleton control is improved. The method is suitable for exoskeleton control.

Embodiments of the present disclosure relate to new radio (NR) positioning. A terminal device receives, from a network device, at least one association type between a set of positioning reference signals (PRS) and a set of downlink reference signals (DL-RS) from an access network device. The terminal device determines, based on the at least one association type, phase noise for a PRS in the PRS set using information related to phase noise for one or more DL-RSs in the DL-RS set. In this manner, the phase noise of the PRS (s) can be determined by repeatedly using the phase noise of the DL-RS (s), and thus NR positioning can be achieved with high efficiency and accuracy.

The application relates to techniques for improving new radio (NR) positioning performance. Systems, methods, and circuitry for determining a location of a wireless device are disclosed herein. In one embodiment, an apparatus for a first wireless communication device comprising a baseband circuit having an RF interface configured to transmit and receive radio frequency (RF) signals is provided. The apparatus includes one or more processors configured to process a signal received from a second wireless communication device to identify at least a first arrival path and another arrival path between the first wireless communication device and the second wireless communication device; and determining a location of the second wireless communication device based on the first arrival path and the further arrival path.

Disclosed are systems, methods, and non-transitory media for providing signaling consideration for wireless positioning with disjoint bandwidth segments. For instance, one or more indications of a preferred bandwidth configuration can be transmitted by a user equipment. Based on the one or more indications, the user equipment can receive a positioning configuration that indicates disjoint bandwidth segments containing a positioning reference signal based on the preferred bandwidth configuration. In response, the user equipment can then determine one or more positioning measurements based on the positioning reference signal in the disjoint bandwidth segments.

The invention belongs to the technical field of communication, and provides an urban road traffic jam control method and system based on radio positioning, and the main scheme is as follows: a first confirmation instruction is sent to a first communication range at a first communication frequency through a base station; receiving a first confirmation instruction through vehicle-mounted navigation software of the vehicle, acquiring initial congestion condition information based on the receiving condition information of the first confirmation instruction, and judging whether to establish an ad hoc network according to the initial congestion condition information; in the ad hoc network, taking each vehicle receiving the first confirmation instruction as a basic node, and selecting a central node from the basic nodes; sending a second request instruction to a basic node in a second communication range through the central node at a second wireless communication frequency; and based on the response condition information of the second request instruction, judging whether the lane where the vehicle corresponding to the basic node is located is congested or not, and if so, sending suggested lane change information to a backward vehicle in the same driving direction.

The invention discloses an intelligent schoolbag with radio positioning, and relates to the technical field of schoolbags, the intelligent schoolbag comprises a schoolbag body and two straps, and the outer surface of one of the straps is provided with a protection assembly for protecting radio positioning equipment. According to the intelligent schoolbag with the radio positioning function, in order to prevent a GPS positioner in the schoolbag from being separated from a human body, the arms of a student are sleeved with a closed circular ring formed by combining a lock catch and a rotary tooth buckle, and one end of the rotary tooth buckle is driven to rotate towards the interior of the first lock catch through rotation of a rotating shaft; then a forward and reverse motor is started, and an incomplete gear in threaded connection with a threaded rod is driven to rotate through the threaded part of the threaded rod, so that a rectangular clamping groove in the incomplete gear just completely rotates to the position away from a positioning rod; and when the threaded rod moves into one of the incomplete gears.

The present application relates to the field of radio positioning technology, in particular to a kind of helicopter emergency rescue positioning method and system, comprising the following steps: ground base station through the initial positioning signal sent by helicopter in rescue area, the time stamp of signal is bound with signal data, the signal time mark data is generated by analyzing the relevance of data and time.In the present application, by using time axis reversal and adjusting signal amplitude, the signal quality is optimized, the stability and reliability of signal in interference environment are enhanced, through encoding processing, the signal can reduce loss in transmission process, the transmission effect of signal is optimized, the overall receiving efficiency of signal is improved, the ground base station uses signal propagation time difference and path change data, carries out multiple comparison, calculates helicopter position in real time, significantly improves the accuracy and efficiency of rescue positioning, realizes the goal of quick and accurate positioning in emergency rescue, improves the success rate and safety of rescue.

The invention relates to the field of satellite radio positioning systems, in particular to a remote batch online upgrading method for software of a pseudo satellite navigation positioning system, which comprises the following steps of: reading the version number of a program which is currently operated at a system end; the user side analyzes the storage area of the current running program version number in the FLASH of the pseudo-satellite navigation positioning system, and appoints the FLASH storage area in the upgrading program; the user side sends an upgrading program to the system side frame by frame through the wireless communication module; the system end receives each frame of upgrading program and performs CRC (Cyclic Redundancy Check); writing each frame of upgrading program into a specified FLASH storage area; switching a starting program by the system end, and starting from the FLASH area of the upgrading program; the system end starts a timer for timing; and judging whether the timer is overtime or not. According to the method, the defect that the FPGA upgrading is inconvenient in geographic position and structure of the arranged equipment is overcome, the system method has a check backspacing mechanism, and the reliability of remote upgrading is guaranteed.

The application belongs to the technical field of radio positioning, and particularly relates to a kind of intelligent metasurface assisted user positioning method based on modified dimensionality reduction MUSIC.The method utilizes the phase reconfigurable characteristics of intelligent metasurface, constructs zero-mean orthogonal phase coefficients, separates out base station-user direct channel and base station-intelligent metasurface-user cascade channel, estimates intelligent metasurface-user channel under the assumption that base station-intelligent metasurface has good line-of-sight path, thereby calculates the left and right correlation coefficients of two channel sections, and reconstructs left and right pseudo-covariance matrix using the Toeplitz matrix of correlation coefficient, further obtains pseudo-covariance matrix, then performs eigenvalue decomposition on pseudo-covariance matrix, constructs modified dimensionality reduction MUSIC spatial spectrum using the orthogonality of signal space and noise space, thereby estimates the azimuth of base station-user and intelligent metasurface-user, and then calculates the user position using least square method.The application trades off higher estimation accuracy for complexity.

System for transmitting emergency calls, in particular via remote emergency access, by third-party providers (TPSP) (13), as well as silent emergency calls to a competent control center (10), characterized by the following steps: a. Determining the position of the entity of the emergency caller (14a,b,c,d) using GPS, radio tracking, cell-based location data and / or a predefined value, whereby the determination of the position can be automated or manual, b. Forwarding of the position data and other relevant information (16) to the TPSP (13) and / or a server or server system (11), c. Creation and / or editing of a data set (16) by the TPSP (13) which includes at least position data and event-related information, d. Transfer or updating of this data set (16) to a server (11, 12), in particular an AML (12) or backend server (11), for storage and retrieval by the responsible control center (10), e. Retrieval of the data set (16) from the server (11, 12), in particular an AML (12) or backend server (11), by the control center for transfer to the dispatch system (10a).

Systems and methods for radio access network (RAN)-based user equipment (UE) position determination in a non-terrestrial network (NTN) are discussed herein. Base station data for determining a location of a UE may be provided between the UE and one or more NTN payloads operating a serving cell of the base station using a round trip time (RTT) mechanism, an uplink angle of arrival (UL-AoA) mechanism, and / or an uplink time difference of arrival (UL-TDOA) mechanism. In some examples, a single uplink (UL) reference signal is used in conjunction with multiple payloads, while in other examples, multiple UL reference signals transmitted during different measurement instances are used with a single payload. The base station may make the determination independent of certain core network (CN) related functionality (e.g., LTE Positioning Protocol (LPP) and / or NR Positioning Protocol A (NRPPa)). In some embodiments, the determined location is used to verify the location reported by the UE.

A communication method and a related device, in which method a first signal sent by a first communication device for sensing is carried in a first frequency band, the first frequency band being different from a second frequency band. Wherein the second frequency band is located in a mobile service frequency spectrum, and part or all of the first frequency band is located in a radio positioning service frequency spectrum. In other words, a portion or all of the perceived signals may be carried on the radio positioning traffic spectrum. Therefore, different communication devices can use the radio positioning service frequency spectrum to realize transmission of the sensing signal, interference of the communication signal transmitted on the mobile service frequency spectrum on the sensing signal can be avoided or reduced, and the sensing performance is improved. In one possible implementation, the bandwidth of the first frequency band may be greater than the bandwidth of the second frequency band. In addition, since the size of the sensing bandwidth is positively correlated with the size of the sensing performance, different communication devices can use the first frequency band to realize the transmission of the sensing signal so as to further improve the sensing performance.

A communication method and a related apparatus. In the method, a first signal for sensing, which is sent by a first communication apparatus, is carried in a first frequency band, the first frequency band being different from a second frequency band, wherein the second frequency band is located in a mobile service spectrum, and part or all of the first frequency band is located in a radio location service spectrum. In other words, part or all of a sensing signal may be carried on the radio location service spectrum. Thus, different communication apparatuses can use the radio location service spectrum to realize the transmission of sensing signals, and can avoid or reduce interference, to the sensing signals, from communication signals transmitted on the mobile service spectrum, thereby improving the sensing performance. In a possible implementation, the bandwidth of the first frequency band may be greater than the bandwidth of the second frequency band. Since the size of a sensing bandwidth is positively correlated with the sensing performance, different communication apparatuses can use the first frequency band to realize the transmission of sensing signals, thereby further improving the sensing performance.

The ship trajectory monitoring method and system based on Beidou positioning of the present invention belong to the field of radio positioning technology. The buoy component is applied to trajectory monitoring and navigation route planning. Before the ship sails, the obstacles faced by the ship during navigation or the ocean conditions during the ship's navigation can be monitored in advance according to the set buoy component, and the navigation route of the ship can be planned in advance. When the navigation route needs to be changed, the original coordinate position of the buoy component can be used as the center of the circle and a certain distance can be used as the radius to drive the collection buoy to rotate around the ocean to detect the sea conditions or obstacle information on the ocean surface. After comparison, the best navigation position is selected, and the buoy component is changed from the original coordinates to the existing best navigation position coordinates, thereby re-planning the navigation route of the ship, and the navigation route of the ship can be planned quickly, accurately and more safely.

The invention relates to a system and method for providing new radio positioning. Systems and methods for determining an estimated location of a user equipment (UE) are provided. For example, a UE may provide a positioning request to a node when the UE is in a radio resource control idle (RRCIDLE) or inactive (RRCINACTIVE state. The positioning request may be implemented in a random access channel (RACH) message A (MsgA). The UE may then receive a positioning response from the node. The positioning response may be implemented in a RACH message B (MsgB).

The application provides a Doppler positioning method based on frequency hopping spread spectrum, and belongs to the technical field of radio positioning, to solve the problem that the fixed carrier frequency mode adopted by the traditional Doppler positioning technology makes the signal extremely easy to be intercepted, oriented and interfered. The method comprises the following steps: step 1: describing an application scenario; step 2: in the application scenario, a frequency hopping measurement signal is sent by a transmitting end; step 3: in the application scenario, a receiving end performs frequency hopping synchronization and measures a Doppler shift; step 4: a Doppler shift is preprocessed; and step 5: the preprocessed Doppler shift is used to calculate the position of a terminal to be positioned in combination with the relative motion of the transmitting end and the receiving end. The method can obtain the low interception rate and anti-interference ability given by the rapid change of the carrier frequency, and can also use the frequency diversity characteristics of frequency hopping to reduce the positioning performance deterioration caused by the multipath effect, and is suitable for application scenarios with high requirements for robustness, positioning accuracy and other performances.

In an aspect, a method of wireless communication performed by a user equipment (UE) is disclosed, the method comprising: obtaining a plurality of vision-based channel state information (vCSI) groups related to an environment of the UE; and determining an estimated location of the UE during a new radio (NR) location session based at least in part on at least one vCSI group of the plurality of vCSI groups.

The application discloses a kind of civil active emission echo radio positioning system and method, by oneself antenna array, oneself signal processor and power supply and the other party antenna, the other party signal processor and the other party power supply composition.Pass through oneself antenna array and emit radio signal, the other party antenna detects after active radio signal is emitted back oneself antenna array, respectively detects each antenna in oneself antenna array, with the distance or phase or signal frequency or propagation time difference of the other party antenna, after oneself signal processor calculation and using oneself power supply, and the other party signal processor calculation and using the other party power supply, can accurately position oneself and the other party spatial relative position.The radio positioning system is composed of oneself antenna array, oneself signal processor and power supply and the other party antenna, the other party signal processor and the other party power supply composition.Solve the problem that object between aircraft, automobile, ship, pedestrian etc.are not easy to position, improve information transparency, and have good promoting effect to the development of traffic industry.

The invention provides a Doppler positioning method based on frequency hopping and spectrum spreading, belongs to the technical field of radio positioning, and aims to solve the problem that a fixed carrier frequency working mode adopted by a traditional Doppler positioning technology enables a signal to be easily intercepted, orientated and interfered. The method comprises the following steps of 1, describing an application scene; 2, in an application scene, the transmitting end transmits a frequency hopping measurement signal; 3, in an application scene, a receiving end performs frequency hopping synchronization and measures Doppler frequency shift; step 4, preprocessing the Doppler translation; and 5, calculating the position of the to-be-positioned terminal by utilizing the preprocessed Doppler translation and combining the relative movement condition of the transmitting end and the receiving end. According to the method, the low interception rate and the anti-interference capability endowed by the rapid hopping of the carrier frequency are obtained, the positioning performance deterioration caused by the multipath effect can be reduced by using the natural frequency diversity characteristic of the frequency hopping, and the method is suitable for application scenes with relatively high requirements on the performance such as robustness and positioning precision.

The invention relates to a radio positioning system in which the position of a transponder (201) is determined by means of a plurality of base stations (101-103) of the radio positioning system using a radio signal reception time difference or using a radio signal propagation time. The transponder is arranged at a selected point on the object (200) to be positioned. Furthermore, the transponder is equipped with a communication module for the wireless communication system, and the transponder operates as a base station or master station of the wireless communication system. At least one display unit (202), which is provided with a communication module and is separate from the transponder, is connected to the transponder as a subscriber station or slave station of the wireless communication system. The transponder transmits object-related data (401) and position-related information sent by a base station of the radio positioning system to the display unit. The display unit displays the transmitted position-related information and object-related data in a continuously updated manner.

The present application relates to material conveying technical field, disclose material conveying system and transfer positioning method, material conveying system includes: material conveying device, has unloading port;Transfer device, has receiving port;Multiple positioning components, each positioning component includes laser radar positioning unit and radio positioning unit, laser radar positioning unit includes radar part and reflection part, radio positioning unit includes signal transmitting part and two positioning terminals, control component is connected with each positioning component, the material conveying device and transfer device of the present application detect the position information of oneself through laser radar positioning unit and radio positioning unit simultaneously, can effectively guarantee the positioning accuracy under the ring of mine operation, two kinds of positioning mode share complementary, through control component receives position information and adjusts the relative position of material conveying device and transfer device in real time, so that the unloading port and receiving port can continuously keep in the preset cooperation posture, avoid the situation of scattering material in the process of material conveying.

The invention relates to a radio positioning method based on multi-epoch observed quantity combination and multi-model combination weighting, and belongs to the field of signal processing, navigation positioning and spaceflight measurement and control. The method specifically comprises the following steps: acquiring relative observed quantity h of N epoch anchor points and a moving target; constructing a moving target trajectory model with different motion types and different trajectory parameter orders by using the time-invariant trajectory parameters; for each moving target trajectory model, representing the time-varying position and speed of the moving target in the observed quantity h by using the moving target trajectory model, establishing and solving a positioning target function of each trajectory model to obtain a fitting coefficient in the moving target trajectory model, and reversely deducing the time-varying position and speed of the moving target based on the fitting coefficient; according to the time-varying position and speed of the moving target, calculating residual error judgment statistics and removing the residual error judgment statistics; and carrying out combined weighting on the time-varying position and speed of the moving target which is not rejected to obtain a final receiver positioning result.