2430 results about "Transmitted power" patented technology

The invention provides a directional energy multi-target interference system based on an ultra-wideband phased array technology, and the system integrates signal perception, target recognition, interference signal generation and phased array control, so as to achieve the precise interference of an unmanned aerial vehicle cluster. The signal sensing module scans an airspace target through the ultra-wideband phased-array antenna array and obtains spectrum characteristics of a target signal. The target identification module analyzes signal features, identifies an individual target and predicts a motion track and a communication protocol of the individual target. And the phased array control module calculates and adjusts antenna beam forming parameters, and dynamically controls the radiation direction, phase and transmitting power of the antenna. The interference signal generation module generates a matched interference waveform based on the target communication protocol and the trajectory information. The ultra-wideband phased-array antenna array adopts a digital beam forming technology. According to the invention, efficient and accurate directional energy interference can be realized under multiple frequency bands, the confrontation capability of the unmanned aerial vehicle cluster is improved, and the method is suitable for defense tasks in electronic warfare and complex electromagnetic environments.

The invention discloses a precise interference avoidance method and device in a radio system, and relates to the field of signal processing, and the method comprises the steps: constructing a sensing matrix through sensing node data, and capturing a transient interference signal through aperiodic scanning; performing tensor decomposition on the signal data to extract time domain, frequency domain, space domain and modulation domain features, constructing a dual-mode spectrum analysis model, reconstructing an instantaneous spectrogram by using compressed sensing, and predicting an interference mode through LSTM; after the instantaneous spectrogram and the predicted interference graph are fused, threat assessment is carried out through a multi-stage interference classification model; according to the interference category and the threat level, beam forming is optimized, adaptive null is generated, a power density optimization model is constructed, and the transmitting power is dynamically adjusted; an anti-interference frequency hopping sequence is generated based on a chaotic mapping algorithm, and spectrum camouflage and tracking interference resistance are realized. The method has the advantages that accurate identification and dynamic avoidance of interference are realized through multi-dimensional perception, intelligent prediction and adaptive beam forming, and the interference avoidance capability of a wireless system is improved.

The invention overcomes the constraints imposed by conventional wireless communication standards by introducing a physical-layer optimized architecture that decouples transmission control from any single protocol. Rather than being confined by the predefined behaviors of LTE, 5G NR, Wi-Fi, or NB-IoT, the system implements a unified control system that dynamically manages radio parameters—such as modulation, coding, and power—based on real-time link quality and network context. This cross-standard, multimode capability effectively supersedes traditional standard-driven implementations, enabling adaptive, low-latency, and spectrum-efficient communication in complex heterogeneous environments.The system dynamically controls radio access network (RAN) and physical layer parameters, including carrier aggregation, dynamic spectrum allocation, modulation and coding scheme (MCS) adaptation, beamforming configuration, channel coding, transmit power control, and frequency selection. The system architecture includes multi-mode base stations, relay nodes, and edge access points that support inter-RAT handover, fast radio link recovery, and seamless mobility across diverse wireless technologies.

Systems, methods, and instrumentalities are described herein regarding power control and link adaptation for cross-division duplex (XDD). A wireless transmit / receive unit (WTRU) may receive a grant associated with transmission of an uplink (UL) signal. The grant may indicate a first set of resource blocks (RBs). The WTRU may determine a frequency gap (FG) between the first set of RBs and a reference RB. The WTRU may adjust one or more transmit (Tx) parameters based on the determined FG. When the determined FG is less than a pre-defined threshold, the WTRU may reduce one or more of a transmit power or a modulation coding scheme (MCS) level associated with transmission of the UL signal scheduled by the grant. The WTRU may transmit the UL signal using the adjusted one or more Tx parameters.

Methods, systems, and devices for wireless communication are described. A user equipment (UE) may receive a message scheduling transmission, by the UE, of uplink control information (UCI) in a physical uplink control channel (PUCCH) resource. The UE may receive an indication that the UE is scheduled to transmit the UCI in the PUCCH resource to both a first transmission-reception point (TRP) and a second TRP. The UE may also receive a first set of uplink power control parameters for transmitting the UCI to the first TRP and a second set of uplink power control parameters for transmitting the UCI to the second TRP. The UE may transmit the UCI to the first TRP and to the second TRP in the PUCCH resource, based on the first set and the second set of uplink power control parameters, and without an uplink control channel beam indication.

A method performed by a WTRU may include receiving a random access channel (RACH) configuration indicating a plurality of RACH occasions. The RACH occasions within respective subsets are frequency division multiplexed. The method includes receiving configuration information indicating at least one transmit power threshold and information indicating resources associated with a mode of operation, and receiving criteria for selecting a RACH occasion that defines a group of RACH occasions from at least one subset that overlap with at least one uplink subband. The method includes sending a preamble transmission using a calculated transmit power in a selected RACH occasion, wherein, on a condition the calculated transmit power exceeds the transmit power threshold, the selected RACH occasion is selected from the defined group of the plurality of RACH occasions that overlap with the at least one uplink subband.

An apparatus comprising: at least one processor; and at least one memory including computer program code; wherein the at least one memory and the computer program code are configured to, with the at least one processor, cause the apparatus at least to: determine whether to report a power headroom report value to a network node, the power headroom report value being applicable to a mixed slot where simultaneous transmissions in downlink and uplink are scheduled in non-overlapping sub-bands of the same carrier; wherein the power headroom report value is based on a difference between an uplink transmit power given an expected cross link interference for a user equipment, and an uplink transmit power at the mixed slot; and determine whether to reduce the uplink transmit power at the mixed slot, based on information received from the network node.

The invention provides a covert communication method based on near-field broadband super-large-scale array beam splitting. Comprising the following steps: S1, according to an applied near-field covert communication scene, constructing a corresponding communication model by using a beam splitting effect in a broadband XL-MIMO system, carrying out beam training, and describing a received signal expression of the communication model; s2, constructing a signal detection model of a listener according to a near-field covert communication scene, and describing a detection error probability expression and a covert constraint expression; and step S3, the hidden transmission rate is maximized by optimizing the transmitting power and the subcarrier number of the transmitter. According to the method, the two-dimensional optimization problem related to the transmitting power and the subcarriers is converted into the one-dimensional optimization problem related to the discrete variable quantum carrier number, and the concealment rate of a legal receiver is maximized.

The invention relates to the technical field of cable aging diagnosis, in particular to a cable aging diagnosis monitoring method and system. The method comprises the following steps: acquiring cable operation log data and cable internal structure design data, extracting a cable structure distribution condition in combination with an operation log, and evaluating cable operation state data; electric power sudden demand characteristics are identified, and then a non-uniform thermal coupling unbalance state is determined; based on the thermal coupling unbalance and the operation state data, detecting the coupling failure condition of the cable multilayer structure, and further judging the structural integrity damage condition; deducing a load stability disintegration situation according to a structure damage and insulation strength reduction trend; further detecting the decline of the quality of transmitted electric energy, analyzing the increase degree of abnormal voltage fluctuation, and identifying the fatigue trend of the metal material of the cable; through the above cable aging diagnosis, the cable aging diagnosis data is output. According to the cable aging diagnosis method and device, cable aging diagnosis is diagnosed, so that cable aging diagnosis is more accurate and efficient.

The invention discloses a satellite terminal adaptive power adjusting system. The system comprises an attitude sensor module used for collecting three-dimensional attitude data of a terminal; the antenna pattern database is used for storing theoretical gain values of the panel omnidirectional antenna in different attitudes; the gain prediction engine is used for calculating theoretical gain according to the current attitude data and the directional diagram database; the signal quality detection module is used for collecting the intensity, the signal-to-noise ratio and the bit error rate of the received signal in real time; the power control algorithm module fuses the gain prediction value and the signal quality feedback and is used for generating a dynamic transmitting power instruction; the radio frequency power amplifier is used for executing the power adjusting instruction and outputting an adjusted transmitting signal; the invention further discloses a satellite terminal self-adaptive power adjusting method. According to the invention, the problem of balance between satellite terminal communication stability and power consumption efficiency in a complex environment is solved.

The invention relates to the technical field of unmanned aerial vehicle communication anti-interference, in particular to an unmanned aerial vehicle anti-interference system based on spectrum sensing. According to the invention, a spectrum sensing data acquisition module acquires multi-band frequency spectrum signal data and generates a spectrum interference characteristic spectrum; the interference source positioning module calculates an azimuth angle and a distance of an interference source and generates a spatial distribution data set; the three-dimensional interference field construction module constructs a three-dimensional interference field model containing an interference intensity gradient and a propagation direction in combination with the real-time height and geographic coordinates of the unmanned aerial vehicle; the anti-interference strategy generation module analyzes the vulnerability of a communication link, and dynamically adjusts the frequency band switching priority and the transmitting power allocation weight; the beam forming control module calculates antenna array phase offset and a beam pointing angle, and generates an adaptive beam forming parameter set. The system can improve the anti-interference capability and communication stability of the unmanned aerial vehicle in a complex electromagnetic environment.

A wireless power transmission method executed by a power transmitter comprising multi-coils, according to one embodiment of the present invention, comprises the steps of: detecting a second power receiver while transmitting power to a first power receiver; determining at least one primary coil adequate for power transmission; by using the determined at least one primary coil, determining whether the second power receiver supports a shared mode protocol; and if the second power receiver supports the shared mode protocol, transmitting power to the first and second power receivers according to the shared mode protocol, wherein the shared mode protocol may be a protocol for simultaneously managing information exchanges between the power transmitter and multiple power receivers.

The invention discloses a digital twinning-based power grid dynamic frequency adaptive regulation and control method, system, equipment and medium, and belongs to the technical field of power grid dynamic frequency regulation and control, and the method comprises the steps: collecting power grid operation data through a data collection device disposed at a physical power grid key node; transmitting power grid operation data to a digital twinning construction and operation platform, and synchronously updating a virtual power grid state in real time; a digital twinning construction and operation platform is used for obtaining the operation state and dynamic parameters of the power grid; predicting a frequency dynamic response track of the power grid in a disturbance or expected scene based on the power grid operation state and the dynamic parameters; adjusting control parameters of resources participating in frequency regulation and control according to the frequency dynamic response track; and issuing the control parameters to a corresponding device of the physical power grid for execution through the control instruction execution interface. The frequency dynamic quality of the power grid is remarkably improved, and the frequency stability margin and the overall operation safety are improved.

The present disclosure provides a wireless transmit / receive unit (WTRU) that maintains first and second transmit power control (TPC) accumulators. The WTRU receives, from a base station, a configuration including first and second sets of power control (PC) parameters associated with the first and second TPC accumulators, respectively. The WTRU receives a first TPC command, associated with the first TPC accumulator, from the base station. The WTRU updates the first TPC accumulator and the second TPC accumulator based on the first TPC command if the second TPC accumulator is dependent on the first TPC accumulator. The WTRU may maintain multiple TPC accumulators and may implement different TPC processes for different TPC accumulators. The different TPC accumulators may be associated with different symbol types. Hence, the WTRU may dynamically transmit one or more uplink channels and / or one or more uplink signals at different transmit power levels by utilizing corresponding TPC accumulators.

The invention discloses a wireless network coverage optimization method based on spatial positioning and transmitting power regulation and control. The method comprises the following steps: S1, collecting real-time signal quality and link state data of a base station and user equipment; s2, dynamically adjusting the transmitting power of the base station according to the collected signal quality and link state data; s3, constructing an interference sensing matrix, further calculating a conflict weight according to the interference sensing matrix, and optimizing frequency and time slot resources based on the conflict weight; s4, adjusting a frequency subset, a time slot subset and a power upper limit according to an optimization result; s5, dynamically adjusting the transmitting power and the interference coordination strategy by receiving interference information from other base stations in real time and the feedback of the user; and S6, adjusting power distribution, spectrum resources and channel selection of the network according to the real-time feedback of the network environment. According to the method, an efficient and scientific optimization scheme can be provided in wireless network coverage optimization, and remarkable technical values and economic benefits are brought to practical application.

The invention discloses a transmitting power determination method and device, electronic equipment, a medium and a product, and relates to the technical field of radars. The transmitting power determination method comprises the following steps: acquiring historical time sequence characteristic information and environmental point cloud data acquired by a radar sensor, and determining target point cloud data and traffic scene perception characteristics according to the environmental point cloud data; determining a motion mode of a traffic participant in the environmental point cloud data according to the traffic scene perception feature and the historical time sequence feature information; determining participant categories of traffic participants in the target point cloud data based on a preset target classification model and the motion mode, and constructing a radar scene model according to the traffic scene perception features, the historical time sequence feature information and the participant categories; and obtaining target scene data of the radar scene model, and determining the target transmitting power of the radar sensor through the preset power determination model and the target scene data, thereby realizing adaptive determination of the target transmitting power according to the traffic scene perception characteristics and historical time sequence characteristic information.

A wireless power transmission method executed by a power transmitter comprising multi-coils, according to one embodiment of the present invention, comprises the steps of: detecting a second power receiver while transmitting power to a first power receiver; determining at least one primary coil adequate for power transmission; by using the determined at least one primary coil, determining whether the second power receiver supports a shared mode protocol; and if the second power receiver supports the shared mode protocol, transmitting power to the first and second power receivers according to the shared mode protocol, wherein the shared mode protocol may be a protocol for simultaneously managing information exchanges between the power transmitter and multiple power receivers.

The invention provides a data prediction method, device and equipment, and the method comprises the steps: obtaining a first data sequence of a target optical module in a historical time interval, and the first data sequence comprises the real operation data of a plurality of time points in the historical time interval; the real operation data comprises the voltage of the target optical module and / or the number of port wrong packets, and the real operation data further comprises at least one of the temperature, the bias current, the receiving power and the sending power corresponding to each channel of the target optical module; determining the type of a target optical module based on the number of target channels of the target optical module, and selecting a target prediction model corresponding to the type of the target optical module from all prediction models; and inputting the first data sequence into the target prediction model to obtain an initial prediction result, and determining a target prediction result based on the initial prediction result. According to the technical scheme, the method has the characteristics of high prediction efficiency, high prediction accuracy and the like.

The invention discloses a power distribution network fault intelligent monitoring system based on the Internet of Things, and belongs to the technical field of power distribution network fault monitoring. Comprising a multi-source heterogeneous data fusion module, a dynamic topology perception reconstruction module, an edge cloud collaborative decision module, a quantum security communication module, a multi-physics coupling fault prediction module, a distributed energy interference suppression module and terminal equipment. Power measurement errors caused by power flow reversal are avoided, local loads and reversely conveyed power can be accurately distinguished, high-frequency harmonic noise is removed through dynamic weighted Fourier transform and a nonlinear suppression function, and the coupling relation of multiple physical fields is captured through time sequence alignment and spectrum characteristic analysis, so that current anomaly is detected, and the power flow reversal accuracy is improved. And the fault type can be comprehensively judged through temperature rise and vibration spectrum distortion, a dynamic suppression factor coefficient is introduced, and the weight of a coupling item is adjusted according to the severity of the fault.

This application provides a power configuration method and an apparatus, so that a terminal device is enabled to allocate as much uplink transmit power as possible to a first port, and allocate first transmit power as transmit power of a second port, so that total transmit power of the terminal device reaches calculated transmit power indicated by a network device for sending; or both the first port and the second port are enabled to be used to perform sending by using respective maximum transmit power supported by the first port and the second port, so that receive power of the network device to receive an uplink signal is maximized, thereby improving uplink performance.

The invention discloses an LEO satellite power distribution and association method and system based on a cellular-free architecture in the technical field of wireless communication, and the method comprises the steps: carrying out the maximum ratio transmission precoding of all satellite access points, and generating a coding modulation signal; after the target users receive the coded modulation signals, receiving signals are formed at a receiving end, and the signal-to-interference ratio and the downlink transmission rate of each target user are calculated through the receiving signals; accumulating downlink transmission rates of all target users through a central satellite, and calculating system energy efficiency in combination with total power consumption of all satellite access points; and constructing an objective function with maximization of the system energy efficiency, solving the objective function through an iterative optimization algorithm under the constraint condition of a satellite transmitting power upper limit and a user-satellite coverage relationship, and determining an optimal power allocation and user-satellite association scheme. The method can adapt to the high-speed motion characteristic of the LEO satellite, and the system energy efficiency and the resource utilization rate are remarkably improved.

The invention relates to the technical field of communication, in particular to a satellite communication anti-interference transmission method based on a frequency hopping and spread spectrum fusion algorithm. According to the method, interference power is collected at multiple nodes, multiple sub-carrier frequencies and multiple moments to construct an interference observation tensor, interference features are extracted through low-rank tensor decomposition, and interference of each sub-carrier frequency in a future frequency hopping time slot is predicted; calculating a signal to interference plus noise ratio and capacity according to predicted interference in combination with transmitting power and noise, constructing a utility function containing a service weight and a balance coefficient, and distributing working sub-carrier frequency to each satellite communication node under concurrency constraint to generate a frequency hopping sequence; a transmitting end performs channel coding, modulation and spectrum spreading on service data and transmits the service data according to a frequency hopping sequence, and a receiving end completes synchronization, de-spreading and decoding and performs weighting processing by utilizing predicted interference. The method improves the spectrum utilization rate and the interference suppression capability, and enhances the satellite communication reliability.

The invention discloses a dynamic impedance matching wireless charging power adaptive adjustment system, which comprises a dynamic impedance detection module used for being connected with a wireless charger, monitoring voltage and current of a transmitting end and a receiving end of the wireless charger in real time, and calculating a phase difference to obtain a current impedance value; the control module is used for calculating matching network parameters needing to be adjusted according to the detected current impedance value; the matching network adjusting module is used for adjusting matching network parameters according to an instruction of the control module, so that transmitting end impedance and receiving end impedance are in conjugate matching; the power adjusting module is used for adjusting transmitting power according to the dynamic impedance matching result; a communication module; according to the invention, through cooperation of the dynamic impedance detection module, the control module, the matching network adjustment module, the power adjustment module and the communication module, full-process automation from impedance detection, parameter calculation to dynamic adjustment is realized, and adaptability and efficiency of wireless charging are significantly improved.

Methods, systems, and devices for wireless communications are described, the described techniques provide for per-transmission and reception point (TRP) power control for uplink transmissions using a single frequency network (SFN) configuration. A UE that establishes communications with a network via two or more TRPs using an SFN configuration for uplink transmissions may determine respective uplink transmission power levels for uplink transmissions to each TRP. The UE may transmit uplink transmissions to the two or more TRPs in accordance with the determined respective uplink transmission power levels. In some cases, the UE may receive a downlink control information message that includes transmit power command fields for each respective TRP based on transmission configuration indictor states associated with each TRP. In some cases, the UE may determine a set of power control parameters associated with each TRP. In some cases, the UE may transmit power headroom reports for each TRP.

According to some embodiments, a method is performed by a wireless device. The method comprises obtaining a data channel transmit power for transmitting on a sidelink data channel to a receiving wireless device, obtaining a control channel transmit power for transmitting on a sidelink control channel, and transmitting on the sidelink data channel at the data channel transmit power and on the sidelink control channel at the control channel transmit power. In certain embodiments, the control channel transmit power is based on the data channel transmit power. In other embodiments, the control channel transmit power is determined independently of the data channel transmit power.

The invention relates to the technical field of beam forming, in particular to a flow antenna assisted communication sensing integrated beam forming method and device, and the method comprises the steps: building a flow antenna FAS communication channel model, and constructing a radar sensing model employing multiple input multiple output (MIMO) at a base station end; the method comprises the following steps of: establishing an optimization problem of combining port selection and beamforming under the constraint of meeting a minimum communication SNR (Signal to Noise Ratio) requirement, a minimum sensing SNR requirement and a limited port activation number by taking minimization of system transmitting power as a target; and setting constraint conditions, solving a target problem, and obtaining a communication-sensing integrated beam forming matrix. Therefore, the problems that performance coupling is aggravated and the joint design complexity is high due to the fact that the tradeoff of the communication rate and the sensing precision in the ISAC and optimization variables are increased through FAS dynamic port switching, and the performance potential is difficult to play due to the fact that the FAS extra freedom degree is not effectively combined with ISAC beam forming and waveform design are solved.

The invention discloses a power distribution method under cooperative tracking of a networking joint radar communication system, and the method comprises the steps: building a target state according to the position of a radar at each moment and a state vector of a target at each moment; establishing a measurement equation according to the measurement information of the target measured by the radar; establishing a communication model according to the distance between the radar and the fusion center and the reference path loss; a posterior Cramer-Rao lower bound of each target is constructed; constructing a power distribution model according to the posterior Cramer-Rao lower bound and the communication model; and solving the power distribution model by using convex optimization to obtain a power distribution result of the networking joint radar communication system. According to the method, radar tracking transmitting power distribution and communication power distribution are optimized, the posterior Cramer-Rao lower bound of target tracking is minimized on the premise that the lowest rate requirement of a communication system is met, the optimal balance of perception-communication efficiency is achieved, and the communication efficiency is improved. And the tracking capability of the networking joint radar communication system on the target is improved while the power waste is reduced.

Various aspects of the present disclosure relate to techniques for SL power control for PRS transmission. An apparatus is configured to receive a configuration for adapting a transmit power of a SL PRS transmission for a responder device, receive a reported RSS measurement from the responder device, and adapt the SL PRS transmit power for the responder device based on the received configuration and the RSS measurement.

A power transmission apparatus wirelessly transmits power to a power receiving apparatus via a power transmission antenna, measures at least either of a voltage and a current in the power transmission antenna at least two or more time points of a power transmission restriction period in which power to be transmitted to a power receiving apparatus is restricted, and performs measurement processing, including first measurement processing and second measurement processing, plurality of times. In this process, a processing period related to the first measurement processing and a processing period related to the second measurement processing are controlled to have different lengths.