167 results about "Frequency allocation" patented technology

The invention relates to a signal interference optimization method and device. The method comprises the following steps: monitoring network parameters in a mobile communication network, and evaluating the interference level of each target frequency band in the mobile communication network according to the network parameters; generating a frequency allocation strategy according to the interference level, the frequency allocation strategy being used for dynamically matching the communication signal to the optimal frequency band; in addition, according to the interference level and the network parameters, a power adjustment strategy is generated, and the power adjustment strategy is used for dynamically adjusting the transmitting power of each base station in the mobile communication network so as to reduce signal interference. According to the application, the collateral dredging parameters are monitored in real time, and the optimal frequency band is dynamically matched for the communication signal according to the network parameters, so that the frequency band with serious interference is avoided, and the communication quality is ensured; meanwhile, according to the power adjustment strategy, the transmitting power of each base station can be dynamically adjusted based on a feedback mechanism, the signal interference is reduced while the communication requirement is met, the communication quality is further improved, and the increasing communication requirement of the user is met.

The invention relates to the technical field of wireless distribution network control, in particular to a high-speed low-delay distribution network three-remote system and method based on 1.4 GHz wireless communication, and the system comprises a channel management and distribution module which is based on a 1.4 GHz frequency band, reads the channel bandwidth utilization rate and interference level, counts the occupied time, divides the frequency band, and adjusts the frequency reuse proportion; and allocating a transmission frequency, optimizing spectrum allocation according to a bandwidth requirement and a transmission rate, and generating a channel frequency configuration table. According to the invention, by dynamically adjusting the frequency reuse proportion and allocating the transmission path frequency, the utilization rate of frequency spectrum resources is improved, the overload phenomenon of a channel is reduced, the high efficiency and stability of communication are ensured, and the overall transmission quality is improved by detecting interference signals and frequency spectrum fluctuation in real time, optimizing the signal transmission state and avoiding signal interference. The path interference risk is analyzed in advance through fast Fourier transform, potential transmission interruption is avoided, the stability of data transmission is ensured, and data loss is reduced.

The invention, which relates to the technical field of digital information transmission, discloses an AI technology-based digital information transmission sharing operation and maintenance platform comprising a data acquisition module, an AI intelligent analysis module, a frequency spectrum dynamic allocation module, a data classification and transmission optimization module, and a storage adaptation module. According to the method, the spectrum resource utilization efficiency and the transmission stability are optimized, the platform can accurately master the spectrum use condition in real time through the AI real-time spectrum sensing and dynamic frequency allocation technology, the platform can quickly identify idle spectrums and dynamically allocate optimal frequencies for different services in the face of a complex and changeable wireless environment, spectrum congestion and interference are avoided, and the service quality of the system is improved. The fluency of bandwidth and time delay sensitive services is guaranteed, and the transmission interruption risk is reduced.

The invention discloses a computer wireless network operation supervision system and method, and relates to the technical field of network security, and the method comprises the steps: collecting network state data; constructing a QUBO model, and solving and generating a network spectrum allocation strategy matrix through a quantum annealing machine; analyzing the network spectrum allocation strategy matrix, generating a network base station radio frequency parameter instruction set and a network terminal access strategy table, and adjusting a network flow table rule through an SDN controller; comparing the expected configuration network parameters with the new network state data, and positioning the root cause of the network abnormal condition; and redundant links in the network are screened out, an ant colony optimization algorithm is adopted to optimize a topological structure, a spectrum allocation strategy matrix is updated, fault nodes are isolated, and topological connection is reconstructed. According to the method, computer wireless network operation supervision is improved through the quantum annealing machine, and in the aspect of spectrum resource allocation, the quantum annealing machine solves by constructing a QUBO model, so that optimization of frequency allocation and transmitting power is realized.

The invention relates to the technical field of radar measurement, in particular to a radar height measurement and radio frequency transceiving integrated system which comprises a signal processing module, a channel linkage scheduling module, a path stability judgment module, a frequency distribution management module and a positioning path feedback module. According to the invention, through amplitude peak point and time drift extraction, energy sudden change identification precision is enhanced, signal feature discrimination is improved, a screening channel is matched by using a beam main lobe and an energy center, efficient coupling of direction and energy is realized, path stability analysis introduces power attenuation and energy continuity evaluation, and available section identification accuracy is improved. The signal-to-noise ratio and the channel stable value are considered in frequency selection, the path spectrum utilization continuity is enhanced, frequency mapping is combined with round-trip time difference and height point coverage, the vertical positioning precision and the beam drop point judgment capability are improved, and the adaptability and reliability of radar measurement in a dynamic environment are integrally enhanced.

The present disclosure relates to a method for operating a base station in a wireless communication system. The method comprises the steps in which the base station: performs a radio resource control (RRC) connection establishment procedure with a terminal via a reconfigurable intelligent surface; estimates uplink channel state information on the basis of a reference signal received from the terminal; receives downlink channel state information from the terminal; determines an uplink precoder, a downlink precoder, and an RIS reflection pattern related to data transmission and reception on the basis of the uplink channel state information and the downlink channel state information; and transmits the determined RIS reflection pattern to the RIS and transmits the uplink precoder to the terminal.

Systems, methods and apparatus for automatic alarm management in a radio-frequency (RF) environment are disclosed. An apparatus calculates a power distribution by frequency of the RF environment in real time or near real time, including a first derivative and a second derivative of FFT data of the RF environment. The apparatus then creates a baseline based on the power distribution by frequency of the RF environment in a period of time, identifies at least one alarm situation based on a multiplicity of alarm triggering conditions by comparing the power distribution in real time or near real time to the baseline of the RF environment, identifies at least one signal based on the first derivative and the second derivative of FFT data in the at least one alarm situation, and sends at least one alarm comprising details of the at least one signal identified in the at least one alarm situation.

A wireless transmit / receive unit (WTRU) may receive a first higher layer configuration for a cancellation indication (CI). Further, the first higher layer configuration may include a set of reference frequency resources. Also, the WTRU may receive a grant indicating a frequency allocation and a time allocation for a scheduled transmission. Further, on a condition that the CI is received, the WTRU may interrupt the scheduled transmission. Additionally, the CI may indicate a subset of frequency resources of the set of reference frequency resources for each of a set of time symbols. Also, the WTRU may cancel the scheduled transmission on a condition that the subset of frequency resources of a set of time symbols overlaps with the frequency allocation and the time allocation for the scheduled transmission. In a further example, the first higher layer configuration may include an applicable maximum priority and the grant may include a priority index.

The invention discloses an overhead transmission tower lightning current monitoring system and method, and the method comprises the following steps: installing a multi-mode sensor module on a tower, and collecting a lightning current signal and structure response data; utilizing a local sparse dynamic window optimization algorithm to process the data segment by segment, extracting dynamic features and generating a multi-scale feature map; modeling a lightning stroke propagation rule through a space-time generative adversarial network, and generating a space-time characteristic matrix; constructing a spatial correlation map by combining a hypergeometric map embedding algorithm, and identifying a lightning stroke influence range and a diffusion path; dynamically adjusting a communication path and frequency distribution by adopting a Bayesian game optimization model; analyzing the potential influence of lightning stroke on the structure based on a multi-task self-supervised learning model, and predicting a time evolution trend; and comprehensively evaluating real-time and historical data through the remote monitoring terminal, and generating a risk prediction report and a protection reinforcement strategy. According to the invention, the problems of real-time performance, accuracy and environmental adaptability of lightning current monitoring are solved.

The invention provides a pulse modulation LED dimming system and method based on an STM32 single-chip microcomputer. The system is mainly composed of an STM32F103C8T6-single-chip microcomputer module, an OLED display module, a signal acquisition module, a matrix key module, a Bluetooth module, an LED lamp module and the like. The system method comprises the following steps: step 1, optimizing a hybrid modulation strategy and carrier allocation, and establishing a dynamic carrier frequency allocation model through a multi-mode hybrid scheme fusing pulse width modulation and pulse density modulation; step 2, collecting an LED load current waveform in real time through a current sampling module, dynamically adjusting a gain coefficient based on a harmonic distortion rate, and counteracting a main harmonic component of a current signal in real time; and step 3, implementing nonlinear compensation of volt-ampere characteristics. The system supports 0%-100% stepless dimming, brightness adjustment is smooth and flicker-free, the system has four dimming modes of normally-on, single-point, circulating and sliding, matrix key local control and Bluetooth remote control are supported, and a flexible and stable LED dimming scheme is provided for a user.

The invention discloses a load-balanced low-orbit satellite general computation resource collaborative allocation method and system, and belongs to the technical field of low-orbit satellite resource allocation, and the method comprises the steps: building a model with the maximization of the task completion rate as the target, obtaining a computation scheduling sub-model and a flow scheduling sub-model through Lagrange dual decomposition decoupling, and achieving the collaborative allocation of low-orbit satellite general computation resources. The calculation scheduling sub-model determines a calculation decision through linear solution and node preliminary screening, the flow scheduling sub-model is converted into a maximum flow model based on a storage time aggregation graph, a link rate and a calculation frequency distribution decision are obtained through solution, continuous iteration is carried out to convergence by utilizing a gradient method, and an optimal decision of calculation scheduling and flow scheduling is obtained; according to the method, the problem of load imbalance of the low-orbit satellite is solved, space-time joint scheduling of communication and computing resources is realized, network throughput and resource efficiency are improved, congestion and overload are avoided, the task completion rate is remarkably improved, and the performance is superior to that of an existing algorithm.

A wireless transmit / receive unit (WTRU) may receive a first higher layer configuration for a cancellation indication (CI). Further, the first higher layer configuration may include a set of reference frequency resources. Also, the WTRU may receive a grant indicating a frequency allocation and a time allocation for a scheduled transmission. Further, on a condition that the CI is received, the WTRU may interrupt the scheduled transmission. Additionally, the CI may indicate a subset of frequency resources of the set of reference frequency resources for each of a set of time symbols. Also, the WTRU may cancel the scheduled transmission on a condition that the subset of frequency resources of a set of time symbols overlaps with the frequency allocation and the time allocation for the scheduled transmission. In a further example, the first higher layer configuration may include an applicable maximum priority and the grant may include a priority index.

Methods, systems, and devices for wireless communications are described. In some examples, a UE may receive an indication of a set of sounding reference signal (SRS) parameters corresponding to a set of SRS resources for transmitting SRSs, where the set of SRS resources may refer to frequency, or time, or both. In some examples, the SRS parameters may include, among other examples, a frequency allocation, a frequency overlap parameter, a number of allocated symbols, a comb value, a cyclic shift, a comb offset, a frequency hopping parameter, a repetition parameter, a symbol grouping parameter, or any combination thereof. The UE may determine an SRS configuration for the one or more SRSs based on the set of SRS parameters and transmit the one or more SRSs based on the configuration. In some examples, the SRS configuration includes a configuration for SRS frequency hopping, or SRS repetition, or both.

A method, performed by a network node, is disclosed for handling positioning of a User Equipment, wireless device. The network node obtains a first approximate position of the wireless device, based on a first positioning procedure for the wireless device in a first frequency allocation. The network node determines, based on the first approximate position of the wireless device, a set of resources to be used for a second positioning procedure in a second frequency allocation. The network node initiates the second positioning procedure in the second frequency allocation using the determined set of resources. The network node obtains an updated position of the wireless device based on the second positioning procedure.

The invention relates to the technical field of liquid crystal display, and discloses a liquid crystal display module driving method. The method comprises the following steps: performing pixel time sequence analysis on a liquid crystal display module, and establishing a pixel addressing model; the liquid crystal display module is divided into a dynamic display area and a static display area according to the pixel addressing model, and a double-frequency partition scanning driving framework is obtained; submatrix division and submatrix importance level calculation are carried out on the liquid crystal display module based on a double-frequency partition scanning driving framework, and a differential refresh frequency distribution table is obtained; comparing the current frame with the previous frame of the liquid crystal display module according to the differential refresh frequency distribution table, and identifying a changed pixel region to obtain a differential update data packet; and transmitting the differential update data packet, adjusting a gamma correction parameter and a driving voltage parameter, and outputting a target driving control instruction. According to the invention, collaborative optimization of time domain and space domain of the liquid crystal display module is realized, and the driving display precision of the liquid crystal display module is improved.

The invention discloses a time delay optimization method for an MEC system of STAR-RIS assisted uplink NOMA, which relates to the technical field of wireless communication, and comprises the following steps: acquiring channel state information among nodes of the MEC system of STAR-RIS assisted uplink NOMA; the user offloads a task to the base station equipped with the MEC server, and the channel transmission rate between the user and the base station is calculated; calculating local time delay and edge time delay of the user; constructing a time delay minimization problem of joint optimization of user task allocation, user transmitting power, MEC calculation frequency allocation, base station receiving beam forming vector and STAR-RIS coefficient vector; an optimization problem is decomposed into four sub-problems, and the minimum user weighted time delay sum in the system is obtained through iterative solution of an SCA algorithm and an AO algorithm. According to the scheme provided by the invention, the user weighted time delay sum of the system is remarkably reduced.

The invention provides a communication frequency allocation method and apparatus, an electronic device, a storage medium and a product. The method comprises the steps of dividing allocable frequency points into a first type of frequency point pairs and a second type of frequency point pairs; fixedly distributing one or more pairs in the first type of frequency point pairs to each base station in advance according to a preset rule; if the service triggers the frequency point distribution, determining each service participation base station involved by the service, and respectively judging whether idle frequency point pairs exist in the first type of frequency point pairs of each service participation base station; and if idle frequency point pairs exist in the first type of frequency point pairs of the service participation base station, determining a target frequency point pair allocated to the service in the idle frequency point pairs of the first type of frequency point pairs. According to the invention, the basic anti-intermodulation interference is ensured by setting the first type of frequency point pairs, the second type of frequency point pairs are allocated after the first type of frequency points are allocated, and the interference can be avoided as much as possible when the frequency points which possibly generate the third-order intermodulation interference are adopted, so that the increase of the distributable frequency points is realized.

The invention discloses a wireless communication network frequency planning method based on a genetic algorithm, and relates to the technical field of wireless communication network frequency planning, and the method comprises the steps: collecting network flow, user distribution, base station position, antenna direction and historical interference data, and carrying out the preprocessing of the collected data; integrating the preprocessed data, calculating an interference value, identifying a cell pair with an interference relationship, and evaluating the interference condition in the current network to obtain an interference evaluation result; formulating a dynamic frequency reuse strategy and adjusting a frequency reuse mode based on the interference assessment result as a basis for formulating the dynamic frequency reuse strategy; constructing an interference prediction model by adopting a random forest algorithm, and outputting predicted interference cell pairs and interference degrees; adjusting frequency allocation according to the predicted interfering cell pair and the interference degree; and taking a frequency allocation adjustment result as an initial population optimized by the genetic algorithm, performing fitness evaluation on each individual, and performing iterative updating according to a fitness evaluation result.

The invention discloses a visual configuration method, device and equipment for train line communication frequency and a medium, and the method comprises the steps: responding to a line selection instruction, and determining a target line which is not allocated with communication frequency on a visual line interface of an existing line; based on the candidate distribution frequency groups, according to the position relation of the stations in the target line, distributing communication frequency pairs for the stations in the target line, and generating at least two frequency distribution strategies of the target line; based on a communication interference verification rule, interference verification is carried out on a target frequency distribution strategy, a target site with communication interference is determined, and highlight display is carried out on the target site of the target line in the visual line interface; and synchronously performing interference elimination processing on the target station. According to the technical scheme, the maintenance and management efficiency of the train digital wireless dispatching communication system is improved.

An apparatus, method, and computer program product arranged to determine a communication frequency and communicate with a collision detection device at the determined communication frequency based on collision risk.

Disclosed are techniques for wireless communication. In an aspect, a user equipment (UE) obtains one or more measurements of one or more sidelink positioning reference signal (SL-PRS) resources, and transmits, to a location server or another UE, a sidelink positioning measurement report including at least the one or more measurements and one or more sets of frequency allocation information parameters associated with the one or more measurements, wherein each set of the one or more sets of frequency allocation information parameters associated with a measurement of the one or more measurements includes: a starting frequency location and a size of a frequency allocation of the measurement, or the starting frequency location and an ending frequency location of the measurement.

The invention provides a block chain enabled battlefield distributed frequency spectrum allocation architecture and method, and belongs to the field of battlefield electromagnetic resource spectrum management. The architecture comprises a tail end node, a negotiation node and an auditing node, and the tail end node is used for transmitting frequency consumption preference to a superior negotiation node in an asymmetric encryption mode; the negotiation node is used for collecting and summarizing the frequency demand of the tail end node in the combat cluster and uploading the frequency demand of the combat cluster to the auditing node; and the auditing node is used for performing admission authentication on the tail end node participating in frequency allocation and performing frequency resource planning based on a distributed frequency matching algorithm so as to complete the consensus of a frequency allocation scheme. According to the invention, based on a many-to-one matching theory, rapid and efficient distribution of frequency spectrum requirements of frequency equipment is realized.

A wireless device receives radio resource control messages including a first bitmap, of frequency allocation of a search space (SS), with each bit indicating whether frequency resources of the SS are mapped to a respective resource block (RB) set of RB sets of a bandwidth part. Based on the first bitmap indicating that the SS is mapped to first RB sets of the RB sets, a physical downlink control channel (PDCCH) is monitored via the SS in the first RB sets. A first downlink control information is received that includes a second bitmap, of RB set indication, with each bit indicating whether a respective RB set, of the RB sets, is available for downlink reception. Based on the first bitmap and based on the second bitmap indicating a second RB set of the first RB sets as being available for downlink reception, the PDCCH is monitored via the SS in the second RB set.

In the present invention, an optical path-designing device, by using a scheme that has been reinforcement-trained so as to reduce the amount of optical fiber resources used in an optical network having a plurality of nodes connected by optical fibers, selects an optical path demand to which the optical fiber resources are to be allocated, on the basis of frequency allocation state information indicating available frequencies in each of the optical fibers and optical path demand group information indicating a plurality of optical path demands indicated by combinations of start point nodes and end point nodes. The optical path-designing device refers to the frequency allocation state information, and determines a path and a frequency in the optical network to be allocated to the selected optical path demand such that a low or high frequency is given higher priority.

The disclosed technology provides a system and method for allocating frequency bands to a mobile device or user equipment (UE) based on priorities assigned to the different frequency bands. When no priority is assigned to the frequency bands, when a special or reserved priority is assigned, or when equal priority is assigned, the frequency band allocation to the UE is based on a default frequency allocation algorithm (e.g., based on a relative bandwidth of the different frequency bands). When a UE is capable of utilizing a first and a second frequency band, and the priority assigned to the first frequency band is higher than the priority assigned to the second frequency band, the network (e.g., eNB / gNB) overrides the default algorithm and preferentially allocates the first frequency band to UE even when the first frequency band has a smaller bandwidth than the second frequency band or when the default algorithm would otherwise prefer the first frequency band.

Methods, systems, and devices for wireless communications are described. A user equipment (UE) may account for the application of orthogonal cover coding (OCC) to an uplink transmission when determining the transport block size (TBS) for the uplink transmission. OCC may be used to multiplex transmissions from multiple UEs and may involve spreading information. Described techniques may involve accounting for the spreading of information bits when determining the TBS for the uplink transmission to which OCC is applied. Sub-physical resource block (sub-PRB) frequency allocations may be provided for uplink transmissions. The UE may account for the allocated quantity of sub-carriers when determining the quantity of information bits. To indicate a sub-PRB, the UE may be configured to reinterpret one or more fields of an existing downlink control information (DCI) format as indicating the allocated sub-carriers, or a new DCI format may be configured that includes fields for indicating a sub-PRB allocation.

An exemplary sound processor is configured to direct a cochlear implant to apply standard electrical stimulation representative of frequencies in an audio signal that are within an upper region to a cochlea of a first ear of a recipient by way of a plurality of electrodes in accordance with a frequency allocation table that maps frequencies in the upper region of the audible frequency range of the recipient to the plurality of electrodes, the upper region of the audible frequency range comprising frequencies above and including a cutoff frequency, and direct the cochlear implant to apply electrical stimulation representative of frequencies in the audio signal that are within a lower region of the audible frequency range to the cochlea of the first ear by way of a most apical electrode and one or more compensating electrodes included in the plurality of electrodes in accordance with an electrode stimulation configuration.

A method and apparatus are provided for assigning a user equipment transmitter local oscillator frequency including informing the network of a capability of the user equipment to adjust a frequency location of a transmit local oscillator of the user equipment, to a frequency location which has been indicated by the network, within a predefined channel frequency spectrum. The frequency location identification to be used to adjust the frequency location of the transmit local oscillator is received from the network. The frequency location of the local oscillator is then adjusted in accordance with the frequency location identification received.

The present disclosure provides a method and related devices for optimizing the coverage of high-orbit high-throughput satellites based on machine learning, which are characterized by including: obtaining demand information of users for satellite communication; performing clustering processing on the demand information to obtain a number of boundary points, and determining the coverage range of satellite beams according to the number of boundary points; determining a spatial topology graph of the adjacency relationship between satellite beams in the coverage range based on the spatial topology relationship between satellite beams in the coverage range; performing coloring processing on the satellite beams in the spatial topology graph through an overlay analysis method to obtain colored satellite beams; and performing frequency allocation on the colored satellite beams.

A method performed by a wireless device of configuring uplink sounding transmissions is provided. The method includes receiving, from a network node, receiving, from a network node, different sets of configuration parameters for sounding signal transmissions for the wireless device. Each of the different sets of configuration parameters includes a time-domain parameter and different frequency allocations. The method further includes receiving, from the network node, downlink control information, DCI, comprising information that indicates which of the configured frequency allocations that should be applied for the SRS transmission. Furthermore, the method includes generating a sounding reference signal based on the received DCI.