25results about How to "Reduce transmit power" patented technology

The embodiment of the invention provides an intelligent reflecting surface coverage enhancement method and device for electric power inspection, and the method comprises the steps: building an intelligent reflecting surface and inspection equipment unified scheduling model, and building a unified scheduling model for a multi-intelligent reflecting surface networking network; deducing a signal interference distribution analytic expression, solving a space measure function of a point process and determining heterogeneous station density based on an interference level; constructing a multi-intelligent reflector networking correlation model, and analyzing a link coupling factor; based on modeling of a link coupling factor, the link performance under the collaborative networking is studied; a cross-domain reconfigurable capability boundary is explored, and a spatial statistical average analysis method for coverage, capacity and mobility performance is innovated; an adjustable intelligent reflecting surface distribution dependence model is provided, and a semi-closed theoretical analysis expression of the user coverage rate is given based on a stochastic geometric tool.

A federated learning service deployment method and system based on end node residual energy perception, equipment and medium, the method comprising: constructing a corresponding federated learning time model and an end node energy consumption model for each end node according to the federated learning process; cloud gaming according to the federated learning time model and the end node energy consumption model; edge-end matching for end nodes participating in training; the system, equipment and medium are used for the federated learning service deployment method based on the end node residual energy perception; in the end node selection stage, a cloud gaming algorithm and an edge-end matching algorithm are designed, the end nodes participating in distributed training and their computing resource allocation are determined, the residual energy of the end nodes is introduced into the gaming revenue function, the end nodes with less residual energy select a lower CPU frequency, the edge nodes accessed by the end nodes and the transmission power allocation of the end nodes are determined, and the residual energy of the end nodes is introduced into the end node preference function, thereby reducing the end node computing energy consumption and realizing end node energy protection.

This invention provides an energy efficiency optimization method for the large-scale deployment of ultra-reliable low-latency (URLLC) devices, comprising: Step 1: Calculating the short packet collision probability and short packet reception failure probability of a single device, and calculating the packet loss rate of the device based on the calculated short packet collision probability and short packet reception failure probability; Step 2: Calculating the packet loss rate of each device, and grouping devices with similar communication environments into one category based on the calculated packet loss rate; Step 3: Optimizing the energy efficiency of all devices categorized in Step 2 using a deep reinforcement learning method. The beneficial effects of this invention are: 1. The method can effectively reduce the transmission power of sensing devices sending short packets and the number of times the same short packets are repeatedly sent, significantly improving the communication energy efficiency of URLLC devices and extending their battery life; 2. The method of this invention uses a classification method, which significantly shortens the training time of deep reinforcement learning.

This invention discloses a surface waveguide microstrip antenna for solid-state color center spin. The surface waveguide microstrip antenna includes an outer antenna, a middle antenna, and an inner antenna on a diamond substrate. Blind holes are formed on the substrate, and the diamond is nested within these holes, with the upper surface of the diamond flush with the upper surface of the substrate. The outer, middle, and inner antennas are all square ring-shaped and nested sequentially from the outside to the inside. Each of the outer and middle antennas has an opening on its side, located on opposite sides of their respective antennas. The outer, middle, and inner antennas together form the surface waveguide microstrip antenna with a resonant frequency of 2.87 GHz. Electromagnetic waves are transmitted between the surface waveguide microstrip antennas via radiation, generating resonance. This invention not only offers high power and high uniformity of the microwave magnetic field but also eliminates the need for additional flying wires, simplifying the installation process.

The present disclosure relates to a data transmission method and device, electronic equipment, chip and medium, wherein the method comprises: transmitting a first message to a second device; the first message comprises first information and padding information; the padding information indicates second information; or the padding information corresponds to a first constellation point in a constellation diagram; the distance between the first constellation point and the center constellation point of the constellation diagram is less than or equal to a distance threshold; wherein in the case that the padding information indicates the second information, the padding of the padding information can transmit additional second information to the second device, and improve the network experience between devices; in the case that the padding information corresponds to the first constellation point in the constellation diagram, the first constellation point is close to the center constellation point of the constellation diagram, and the padding of the padding information can reduce the transmission power of the first message.

The invention provides a rate division multiple access signal transmission method based on construction interference and related equipment, which considers existence of an eavesdropping end, considers physical layer security, processes through a constructive interference algorithm, determines constructive interference construction conditions, processes in combination with an interference control algorithm, and determines eavesdropping constraint conditions. According to the method, the receiving signal of the eavesdropping end is controlled in the non-construction area, so that the eavesdropping end cannot receive important private signal data of each target user end in the construction area, and further the eavesdropping end cannot perform normal decoding, thereby ensuring the data security, avoiding the problem of data leakage, performing processing based on a power distribution algorithm of a genetic algorithm, and improving the processing efficiency. And the reduced transmission power which simultaneously meets the minimum rate requirement and the service quality requirement of the user is solved, so that the base station and the plurality of user sides are controlled to execute the signal transmission process according to the target power distribution strategy, and the problem of high energy consumption can be avoided.

The application discloses a method and device used in a node for wireless communication. A first receiver receives first information, second information and first signaling, the first signaling is used to indicate a first time domain resource pool set, the first time domain resource pool set includes multiple time domain resource pools; the first receiver receives a first PDSCH group, the first PDSCH group includes at least one PDSCH; a first transmitter transmits a first PUCCH at a first transmission power, the first PUCCH carries at least one HARQ-ACK bit; wherein at least one time domain resource pool in the first time domain resource pool set constitutes a feature time domain resource pool subset, the first information is used to determine the feature time domain resource pool subset from the first time domain resource pool set; the time domain resource pools included in the feature time domain resource pool subset respectively include time domain resources occupied by the PDSCHs in the first PDSCH group.

This application provides a vehicle-mounted communication terminal, a vehicle-mounted communication system, and a vehicle, relating to the field of vehicle networking technology. The vehicle-mounted communication terminal includes a processing component and a satellite short message component. The satellite short message component is connected to the satellite communication terminal of the processing component. A general-purpose integrated circuit card (GPIC) is built into the satellite short message component, containing a BeiDou user identifier. The processing component receives communication information and sends it to the satellite short message component. The satellite short message component sends the communication information and the BeiDou user identifier to the BeiDou satellite in short message format. The communication information includes receiving device information and specific communication content. The BeiDou user identifier is used to uniquely identify the vehicle-mounted communication terminal in the BeiDou network. This application can solve the problem of vehicles being unable to communicate when terrestrial communication networks are unavailable.

The present application belongs to the field of analog integrated circuit design, and specifically relates to an analog multiplexer interference suppression protection circuit for a precision signal link, aiming to solve the problems of overvoltage impact on power supply, signal transmission interference, and damage to the subsequent circuit of the traditional structure I / O port. The circuit includes N input channel circuits arranged in parallel and an output end detection and discharge circuit. The input channel circuit integrates input end detection, input end discharge, transmission switch, and central discharge functions. All circuits are composed of resistors, NMOS tubes, and PMOS tubes. Single-channel signal gating transmission is realized by regulating the control end signal of the input channel circuit. The detection circuit monitors signal abnormalities in real time and triggers the discharge circuit to quickly discharge the overvoltage spike or injected current through the ground loop. At the same time, the voltage is clamped and the protection is shunted when the gating channel is abnormal. This scheme avoids the impact on the power supply rail, reduces signal interference between channels, realizes input power failure isolation, does not require strict external power-up timing, significantly improves the precision and reliability of precision signal transmission, enhances the stability of devices and systems, and is suitable for analog multiplexer, analog switch, and other integrated circuits, and is suitable for smart driving, industrial automation, and other multi-scenario requirements.

An electromagnetic compatibility test device, comprising a shell, a placement table, a transmitting antenna and a base bracket; the bottom of the shell is connected to the tops of the two base brackets, the top of the left base bracket is connected to the bottom of the placement table through a connector, a radio wave intensity monitor is provided on the top of the placement table, the top of the right base bracket is connected to the bottom of the transmitting antenna through a connector, the right end of the shell is connected to the inflation end of an air pump through a pipe, and one end of the transmitting antenna is connected to the transmitting antenna control box through a connecting line. The inner aluminum foil of the shell of this design can effectively reflect radio waves, and most of the radio waves that are not directed to the test object will definitely pass through the second focus of the ellipse after reflection, thereby increasing the radio wave intensity at the test object, which can effectively reduce the transmission power required by the antenna, will not cause radio wave dispersion, and can suppress the impact of the escaped radio waves on the external environment of the device.

The application discloses a compensation method, device and equipment of a transmitting signal, a medium and a product, and relates to the technical field of positioning. The compensation method of the transmitting signal applied to an electronic device including a Beidou RDSS terminal module comprises the following steps: acquiring a beam of a GEO satellite; in the case of acquiring the beam of the GEO satellite, determining the average value of the Doppler frequency offset of the receiving signal and the average value of the Doppler frequency offset change rate according to the compensation control time interval of the transmitting signal and the time interval of the observation interruption; determining the first compensation value and the second compensation value corresponding to the Doppler frequency offset of the transmitting signal according to the average value of the Doppler frequency offset and the average value of the Doppler frequency offset change rate; and compensating the transmitting signal according to the first compensation value and the second compensation value. According to the embodiment of the application, the communication success rate of the Beidou RDSS terminal module can be improved.

The invention discloses a 16-7 probability forming method and device based on symbol-level labels, and the method comprises the steps: S1, carrying out the serial-to-parallel conversion of original data, and obtaining parallel bit data; s2, symbol-level label mapping is carried out on the parallel bit data, and parallel frequency domain signals are obtained; s3, carrying out IFFT (Inverse Fast Fourier Transform) on the parallel frequency domain signal to obtain a parallel time domain signal; and S4, shaping and filtering the real part and the imaginary part of the parallel time domain signal to obtain a symbol-level label probability shaping signal. The space utilization rate of the constellation is improved, the signal transmission power is remarkably reduced, and the transmission rate and channel capacity of the system are improved.

The application discloses a kind of vehicle target speed variation measurement method and system based on millimeter wave radar, it is related to digital signal processing technical field.The method includes: step one: generating LFMCW signal;Step two, signal transmission is carried out by wireless transceiver unit;Step three: obtain intermediate frequency signal;Step four: extract slow time signal sequence;Step five: measure vehicle target speed variation.System includes signal generation unit, wireless transceiver unit, signal dechirp unit, signal correction unit, speed variation measurement unit.The application realizes the high-precision, real-time measurement of the speed variation of preceding vehicle, fuses the speed variation of vehicle in front and other information and decision-making, and further helps driver or automatic driving system to take necessary and reasonable measures, improves driving safety.

This invention belongs to the interdisciplinary technical field of computer program implementation, mathematical optimization, and electromechanical equipment coordination. It aims to address the problems of existing airport low-altitude detection facility site selection technologies lacking integrated modeling and intelligent optimization algorithms for flight trajectories, terrain environment, equipment performance, and multi-objective constraints, resulting in unscientific site selection schemes, low efficiency, and insufficient collaborative coverage. This invention proposes an intelligent site selection optimization method and system for airport low-altitude detection facilities. The method includes: multi-dimensional basic data acquisition and preprocessing; coverage range modeling and effective coverage determination; construction of a multi-objective optimization function; intelligent site selection optimization based on the NSGA-III algorithm: using the non-dominated sorting genetic algorithm NSGA-III, iteratively solving the multi-objective optimization function under preset constraints to obtain a set of candidate site selection schemes; site selection scheme verification and dynamic adjustment. This invention is applicable to the layout planning of detection facilities in airport airspace and key low-altitude control areas.

The invention provides a method for reducing IRS-assisted MIMO multi-demand wireless energy transmission transmitting power, and relates to the technical field of communication. The method is applied to a communication system comprising a multi-antenna energy emission end (ES), a plurality of multi-antenna energy receiving ends (ER) and at least one intelligent reflecting surface (IRS), and ES beam forming and IRS reflection beam forming are optimized, so that the emission power of the ES can be reduced on the premise of ensuring all ER energy collection requirements. Compared with MIMO multi-demand wireless energy transmission without IRS assistance, the transmitting power of the IRS-assisted MIMO multi-demand wireless energy transmission subjected to beam forming optimization by using the method disclosed by the invention is remarkably reduced under the condition of the same energy collection demand. In addition, semi-definite relaxation is not used for IRS reflection beam forming optimization, and relatively low complexity is guaranteed.

The invention discloses an OCDM transmission method based on symbol-level precoding, and belongs to the technical field of communication. According to the method, on the basis of OCDM system transmission under a multipath channel, an optimization problem of power minimization is designed, an equivalent ZF precoding matrix for the OCDM system is obtained, and a corresponding SLP algorithm based on non-negative least squares is designed, so that the sending power is reduced, and a final sending signal is obtained. According to the method disclosed by the invention, symbol-level precoding is combined into the OCDM system, the interference signal is manipulated by the SLP so as to be favorably superposed at the signal receiving position, and the OCDM system is assisted to obtain the final sending signal, so that the degree of freedom of a communication system and the energy efficiency of the system are effectively improved, and the error rate performance of the system is fully improved.

The utility model discloses a kind of intelligent wearable equipment, and the photoelectric pulse wave sensor area of intelligent wearable equipment is provided with 3 light emitting units and 6 light receiving units in matrix arrangement, 3 emitting units are in linear arrangement, and 6 light receiving units are divided into two groups about the line symmetry of 3 emitting units.3 emitting units include the first light emitting unit located in the center of photoelectric pulse wave sensor area, and the second light emitting unit and the third light emitting unit symmetrically arranged about the first light emitting unit, and the first light emitting unit includes first green light LED, and the second light emitting unit and the third light emitting unit respectively contain green light LED, red light LED and infrared light LED.The utility model can improve physiological signal measurement accuracy while reducing the power consumption of intelligent wearable equipment, meet the double needs of user for accurate, long-acting health monitoring and low-energy consumption operation.

The application discloses a method and device used in a node for wireless communication. A first receiver receives first information and a first DCI, the first DCI including a first field; a first transmitter transmits a first bit block on a first wireless channel; wherein the first DCI is used for scheduling the first wireless channel, the first field in the first DCI is used for determining one of frequency domain resources occupied by the first wireless channel or an MCS adopted by the first wireless channel; the first information is used for determining whether a field related to an indication mode of the first field in the first DCI and used for determining a waveform adopted by the first wireless channel exists in the first DCI.

The invention discloses a symbol-level precoding method based on wide linear processing, which comprises the following steps that: a base station obtains channel state information, and obtains a zero-forcing precoding matrix of the wide linear processing according to the channel state information; optimizing the disturbance variable, pre-coding each symbol in the transmission frame according to the optimized disturbance variable, and obtaining an optimal disturbance variable by minimizing the sending power; and under the optimal disturbance variable, a final sending signal is obtained in combination with the zero-forcing precoding matrix subjected to wide linear processing. According to the method, wide linear processing and symbol-level precoding are combined, the degree of freedom of a communication system can be improved, the effect of non-strict phase rotation constructive interference is generated, the sending power of the system is greatly reduced, and the bit error rate performance of the system is improved.

A wireless energy emission device includes: a receiving antenna array (110), a signal processing module (120), and an emitting antenna array (140); wherein the receiving antenna array (110) includes at least two receiving antennas (111) for receiving a positioning signal emitted by a target device to be powered; the signal processing module (120) is configured to determine an emission parameter according to a phase difference between positioning signals received by any two of the receiving antennas (111) and position information of the emitting antenna array (140); and the emitting antenna array (140) is configured to emit an energy supply signal to the target device to be powered according to the emission parameter.

The invention discloses a blood glucose management system, which is characterized in that a code is input into a program module to set a preset signal strength threshold value, and the program module searches nearby broadcast signals and identifies the signal strength of the broadcast signals when a detection module and / or an infusion module are / is electrified and send the broadcast signals to the outside; when the signal strength of the broadcast signal is not smaller than the preset signal strength threshold value, the program module can establish wireless communication connection with the detection module and / or the infusion module which send the broadcast signal without inputting the equipment identifier of the detection module and / or the infusion module, different codes correspond to different preset signal strength threshold values, and the communication efficiency is improved. Furthermore, different maximum distances of wireless communication connection are correspondingly established, so that further distinguishing from equipment of other patients is facilitated, and the reliability of establishing the wireless communication connection by the equipment of the patients is ensured.

The present disclosure relates to the technical field of wireless communication, and provides a terminal uplink transmission power control method, a terminal, a computer readable storage medium and an electronic device, wherein the terminal uplink transmission power control method comprises: reporting terminal capability information to a network side device; and the terminal capability information comprises a maximum power reduction value determined by the terminal based on an extended terminal bandwidth. The method in the present disclosure can convert part of OuterRB allocation to InnerRB allocation, improve the probability of allocating InnerRB allocation to the terminal, thereby effectively reducing the MPR value and improving the terminal uplink transmission power.

The application discloses an uplink transmission power control method, a terminal and a network side device, and belongs to the technical field of wireless communication. The uplink transmission power control method of the application embodiment comprises the following steps: a terminal determines the transmission power of first uplink transmission by using a first mode and / or a second mode for a first serving cell; and / or the terminal reduces the transmission power of the first uplink transmission by using a third mode for the first serving cell; wherein the first serving cell is configured to comprise at least one frequency part FP, the first mode is a control mode based on uplink transmission, and the second mode is a control mode based on FP or based on FP joint.

The invention discloses an energy-saving blood glucose management system for establishing wireless communication connection based on signal intensity, which is characterized in that a signal intensity threshold and a time threshold are preset in the blood glucose management system, timing is carried out during the period of establishing the wireless communication connection by a patient, a program module searches for nearby broadcast signals and identifies the signal intensity of the broadcast signals; if the broadcast of which the intensity is not less than the preset signal intensity threshold value is searched within the time threshold value, the program module can establish wireless communication connection with the detection module and / or the infusion module which send the broadcast signal without inputting the equipment identifier of the detection module and / or the infusion module; otherwise, the detection module and / or the infusion module adjust the broadcast signal sending parameters, including reducing the signal sending power and / or increasing the signal sending interval time, so that the reliability of establishing the wireless communication connection between the program module and the detection module and / or the infusion module of the patient is ensured, and meanwhile, the power consumption of the detection module and / or the infusion module is reduced.

The application discloses a sending power regulation method and device and a terminal device. The method comprises the following steps: acquiring CSI of a plurality of subcarriers of a WiFi signal, and determining the distance between a first terminal device and a user according to the CSI; if the distance is less than a preset distance, reducing the sending power of a mobile cellular signal to a target power threshold or below, and restoring the sending power of the mobile cellular signal when the distance is greater than or equal to the preset distance; if the distance is greater than or equal to the preset distance, the sending power of the mobile cellular signal is continuously maintained. In this way, the distance between the first terminal device and the user is determined in real time according to WiFi sensing, so as to determine whether the sending power of the mobile cellular signal needs to be reduced to the target power threshold or below according to the size relationship between the distance and the preset distance, thereby realizing flexible regulation of the SAR of the terminal device while ensuring the successful transmission of the mobile cellular signal.