13results about How to "Reduce transmit power" patented technology

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 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.

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 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 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 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.