206 results about "Interference management" patented technology

The present invention relates to the technical field of energy meter electrical parameter measurement. Disclosed is an intelligent anti-interference system for a power line carrier energy meter. The system comprises: collecting voltage and current signals of a power line, and constructing a sample database; performing time-frequency feature classification by means of a preset model, and establishing feature and scenario mapping by synchronizing scenario recognition results; building a scenario interference recognition network on the basis of the mapping result; collecting real-time data of N communication channels of a power line carrier energy meter, and performing channel coordination decision and anti-interference enhancement; performing communication data evaluation on the basis of a comprehensive scoring function; and performing anti-interference management on the basis of channel access decision, anti-interference enhancement, and a parallel access result. The present invention solves the technical problem of poor accuracy and reliability of metering data of existing power line carrier energy meters caused by interference signals and noise when the power line carrier energy meters are in complex electromagnetic environments, and achieves the technical effect of improving the anti-interference capability and the reliability of the power line carrier energy meters.

The invention relates to an unmanned aerial vehicle cluster autonomous crossing method and system. The method comprises the following steps: expanding channel capacity, carrying out time delay analysis, and introducing a non-orthogonal multiple access technology to carry out interference management and resource allocation so as to complete network deployment; establishing a linear state space model of a multi-unmanned aerial vehicle system for the unmanned aerial vehicle cluster, setting a cooperative control strategy and an obstacle avoidance strategy, and performing model performance analysis; acquiring environment information through each sensor arranged on each unmanned aerial vehicle in the unmanned aerial vehicle cluster to obtain an environment state; an artificial potential field method is adopted to complete a dynamic obstacle avoidance algorithm according to environment state design, and the path of the unmanned aerial vehicle is adjusted in real time according to the dynamic obstacle avoidance algorithm; establishing an unmanned aerial vehicle kinematic model, designing an optimization algorithm of path planning based on the unmanned aerial vehicle kinematic model, and performing real-time dynamic path adjustment according to the optimization algorithm; setting a security and fault-tolerant mechanism; and autonomous crossing of the unmanned aerial vehicle cluster is realized. And the high-efficiency collaboration and stability of the unmanned aerial vehicle cluster are improved.

Methods and systems are disclosed for a UE to manage and measure intra-cell cross link interference (CLI) when served by a base station operating in full-duplex FDD. The signaling may indicate to a victim UE resources to measure to determine the level of CLI from aggressor UEs. The resources used for the CLI measurement may be resources not scheduled by the base station for use by the victim UE for downlink reception, but are scheduled for use by the aggressor UEs for transmitting uplink traffic or for transmitting reference signals used to characterize the uplink channel. The victim UE may report the CLI measurements to the base station for the base station to adjust scheduling of downlink resources to the victim UE. In one aspect, the signaling from the base station may indicate to the victim UE the locations of scheduled downlink symbols that may potentially be impacted by CLI.

Certain aspects of the present disclosure provide techniques for request-based interference management. In some cases, as method performed by a first network entity may include communicating a message with a second network entity, the message including a request related to transmission of one or more measurement reference signals for measuring interference between the first network entity and the second network entity and based on the communicated message, measuring the interference between the first network entity and the second network entity based on one or more measurement reference signals.

The invention discloses a container liner shipping period interference recovery method and system based on an improved space-time network, and a medium, and belongs to the field of interference management of ship navigation. Firstly, liner operation and interference delay data are acquired; an improved space-time network is constructed, the ship navigation process is simulated by generating space-time nodes and connecting arcs, and the network scale is optimized by adopting a redundancy deletion strategy; on the basis, a mathematical optimization model considering the laws and regulations of the emission control area is constructed with the minimum total cost as the target, and the total cost comprises the fuel cost, the capital operation cost, the delay cost and the port jumping cost; and finally, an optimization solver is adopted to solve the model, and an optimal shipping date recovery scheme is generated. According to the method, the economic benefits of compliance navigation and shipping schedule interference recovery of the emission control area of the container liner are comprehensively considered, decision reference is provided for improving the transportation efficiency of a container liner company, and green shipping development is promoted from the operation level.

The invention relates to a hybrid ad hoc network and a safe and efficient communication method in a large-scale wireless sensor network. The method comprises the steps that a network topology construction module is used for designing a heterogeneous communication protocol with high adaptability based on the distribution condition of large-scale sensor nodes, and seamless cooperative work of multiple communication technologies is ensured; the ad-hoc network optimization module adopts a dynamic ad-hoc mechanism to realize autonomous discovery and network connection between nodes and improve the expansibility and flexibility of the network; the safety communication module is combined with an advanced encryption algorithm and an authentication mechanism to ensure the safety and the reliability in a data transmission process; and the efficient communication protocol module improves the data transmission efficiency and the overall performance of the network through the technical means of signal transmission optimization, interference management and the like. Through cooperative work of the modules, efficient, safe and reliable heterogeneous wireless communication can be realized in the large-scale wireless sensor network, and the requirements of the large-scale wireless sensor network in practical application are met.

Various arrangements for performing dynamic resource blanking on a cellular network are presented herein. Based on orbital data for a satellite, a cellular network can determine user equipment (UE) conducting an active call using a particular frequency band at a base station. For each of the UE a handover can be performed of on-going calls to a different frequency band. Following completion of the handovers, use of the frequency band at the base station can be temporarily disabled.

Various aspects of the present disclosure relate to a base station and methods that manage cross-link interference during wireless communication especially in dynamic time division duplexing (TDD) using flexible symbols. In one aspect, a processor of an originating base station is configured to cause the base station to: determine downlink transmission parameters to communicate downlink resources to the one or more user equipment (UEs); and identify a spatial pattern to communicate the downlink resources to the one or more UEs. The processor is further configured to cause the base station to communicate, to a second base station, a spatial pattern information element (IE) containing at least one indication of the spatial pattern for cross-link interference management, the spatial pattern IE enabling the second base station to mitigate interference.

Certain aspects of the present disclosure provide a method for wireless communication by a network entity. The method generally includes transmitting first information configuring a first user equipment (UE) to transmit cross-link interference (CLI) measurement reports indicating (CLI) associated with at least one (CLI) resource assigned to a second UE, transmitting second information configuring the second UE to vary signal transmission on the at least one (CLI) resource, and determining, based on one or more (CLI) measurement reports received from the first UE, that a third UE is transmitting on the at least one (CLI) resource.

The invention is suitable for the field of communication interference monitoring, and provides a 5G millimeter wave equipment high-frequency interference monitoring method and system, and the method comprises the steps: collecting a target monitoring frequency band, dividing the target monitoring frequency band into a plurality of sub-frequency bands with the bandwidth of 20MHz, collecting the signal power spectrum density of each sub-frequency band, and calculating the signal power spectrum density of each sub-frequency band; extracting interference intensity, an interference range and a service volume parameter of a corresponding frequency band; constructing a priority ranking model and grading the interference of each sub-band; the spatial position of an interference source is positioned through multi-TRP cooperation; adjusting time slot allocation and power resources of the space-air-ground network according to an interference priority sorting result; based on an interference source positioning result and a resource allocation scheme, dynamically adjusting beam forming parameters of the phased-array antenna or switching a working frequency band; through multi-dimensional parameter acquisition and priority modeling, the influence of interference on different services is accurately quantified, so that interference processing better meets actual requirements; the space-air-ground cooperation and multi-TRP positioning technology provides a reliable basis for interference treatment.

Various aspects of the present disclosure relate to cross-link interference (CLI) management. An apparatus, such as a radio access network (RAN) node, receives a first message that indicates subscription information including at least one first parameter associated with a configuration of a reference signal for managing a cross-link interference (CLI). The RAN node transmits, to a user equipment (UE), a second message that indicates at least one second parameter obtained based on the first parameter and associated with the configuration of the reference signal. In some examples, the at least one second parameter indicates that the UE transmit the reference signal. In some other examples, the at least one second parameter indicates that the UE perform at least one CLI measurement to obtain at least one CLI value. The RAN node receives, based on a transmission of the reference signal, a third message that indicates at least one CLI value.

Technologies for managing interference between terrestrial network (TN) and non-terrestrial network (NTN) are disclosed. An example method includes determining a location of a user equipment (UE), assessing potential interference between TN and NTN based on the determined UE location and spectrum band coverage information of TN and NTN, acting on the UE's connection to the NTN or a request from the UE for connection to the NTN based on the assessed potential interference, and updating the spectrum band coverage information of TN and NTN.

A method of maximizing coverage and minimizing interference in an Internet of Drones (IoD) network with multiple drones is provided. The method includes obtaining input parameters such as radio frequency parameters, drone locations, velocities, coverage areas, and the number of drones. A multi-objective model determines an initial interference and coverage based on these parameters. The iterative process continues for a predetermined time to identify the drone locations that achieve maximum coverage while minimizing interference. The approach accounts for beam angles, antenna configurations, and carrier frequencies, ensuring efficient IoD deployment. By leveraging a radio frequency-based determination model, the method dynamically adjusts drone positions to enhance network performance. The solution effectively balances coverage and interference, facilitating reliable communication in drone-based networks.

The present invention relates to the technical field of communications, and particularly provides a relay communication method and apparatus, a device, and a storage medium, The method comprises: a relay device receives first indication information from a network device, the first indication information being used for indicating a beam state of a first beam of the relay device (S201); the relay device determines the beam state of the first beam according to the first indication information (S202). According to the technical solution of the present invention, beam-based interference management of an NCR can be achieved, and energy efficiency can be improved.

Approaches are described herein for mitigating terrestrial network (TN) uplink and downlink co-channel interference on non-terrestrial network (NTN) uplinks using scheduled orthogonalization. The scheduled orthogonalization can include temporal, spectral, and / or code-based orthogonalization. For example, there is a terrestrial radio access network (T-RAN) and a non-terrestrial RAN (NT-RAN) having some amount of coordination. For each TN cell in each of several temporal frames, a determination is made as to whether there is a potential co-channel interference condition between the TN cell and an NTN beam for that temporal frame. If so, a first orthogonalization scheme is scheduled for application to the TN communications for the cell in the temporal frame, and a second orthogonalization scheme is scheduled for application to the NTN communications for the beam in the temporal frame, such that the first and second orthogonalization schema are orthogonal in at least one of time, frequency, or code.

Various aspects of the present disclosure relate to cross-link interference (CLI) management. An apparatus, such as a radio access network (RAN) node, receives a first message from a RAN controller that indicates subscription information including at least one parameter for CLI measurement and at least one parameter indicative of the subscription information being associated with CLI reporting. The RAN node transmits a second message to the RAN controller that indicates acceptance of the subscription information. The RAN node obtains a CLI value based on at least one CLI measurement according to the at least one parameter for CLI measurement and selectively transmits a third message to the RAN controller that indicates the CLI value, at least one first parameter indicative of the third message being associated with the first message, and at least one second parameter indicative of the second message being associated with the CLI reporting.

The invention discloses an Internet of Vehicles resource scheduling method, device and system, and a storage medium, and the method comprises the steps: initializing the resource state information of each vehicle node according to the topological structure of each vehicle in the Internet of Vehicles; preheating the vehicle nodes through multi-round information exchange according to the resource state information of the vehicle nodes to obtain a spectrum resource allocation intermediate state under the current iteration; according to the vehicle node spectrum resource allocation intermediate state under the current iteration, the importance of each node in global resource allocation is evaluated, and a scheduling sequence of resource allocation is generated; and according to the scheduling sequence of resource allocation and the serial numbers of the nodes in the scheduling sequence, each vehicle node asynchronously executes spectrum resource allocation operation after receiving a completion signal of the node with the previous serial number, and outputs a resource scheduling result. By adopting the technical scheme of the invention, the interference management problem in resource allocation can be efficiently solved, and the performance of the whole system is optimized.

Methods, apparatus and systems for enabling interference avoidance, for example from self and neighboring interference are disclosed. In one representative method implemented in a Wireless Transmit / Receive Unit (WTRU) using time-frequency (TF) resources in first and second directions, the method includes comprising TF resource muting or symbol muting, by the WTRU, one or more TF resources for communication in the first direction based on information associated with a communication in the second direction or subframe shortening, by the WTRU, by one or more TF resources for communication in the first direction based on information associated with a communication in the second direction.

The present disclosure relates to a method of managing a cross link interference (CLI) in a network enabled with sub-band full duplexing (SBFD). The method implemented by a user equipment, being a victim equipment, comprising receiving at least one first configuration and at least one second configuration, wherein the at least one first configuration comprises, indication of frequency location of at least one DL resource for SBFD operation and at least one UL resource for SBFD operation, and wherein the at least one second configuration comprises indication to report at least one of received signal strength indicator (RSSI) and reference signal received power (RSRP) as report quantity. The method further comprises measuring the report quantity and transmitting a report comprising the report quantity. The present disclosure further provides a method being implemented by a base station and aggressor user equipment in SBFD slots.

Systems and techniques are provided for wireless communications. For example, a process can include, obtaining a message for transmission to a receiving device, determining a plurality of beamforming weights for transmitting a portion of the message toward a direction of the receiving device. A number of beamforming weights is equal to a number of transmit array elements. Each beamforming weight corresponds to a respective transmit array element. A beamforming weight is configured to turn off a transmit array element during transmission of the portion of the message. The process can include outputting an array puncturing notification indicative of transmission of the portion of the message by the plurality of transmit array elements with the transmit array element corresponding to the beamforming weight turned off and transmitting the portion of the message by the plurality of transmit array elements with the transmit array element corresponding to the beamforming weight turned off.

The present disclosure provides a method and a device for performing remote interference management. The method comprises receiving, from a victim gNB, at least one RIM-reference signal (RS); transmitting, from a distributed unit (DU) of the aggressor gNB to a central unit (CU) of the aggressor gNB, a message comprising RIM information; and determining to stop monitoring the at least one RIM-RS based on the RIM information.

According to embodiments, a method performed by a radio unit (RU) may comprise an operation of receiving a control plane (C-plane) message including section extension information from a distributed unit (DU) through a fronthaul interface. The method may comprise an operation of receiving a user plane (U-plane) message including remote interference management (RIM)-reference signal (RS) symbols from the DU through the fronthaul interface. The method may comprise an operation of performing position adjustment for a cyclic prefix (CP) for the RIM-RS symbols and phase-difference compensation for the RIM-RS symbols. The section extension information may comprise at least one of indication information for indicating at least one of the RIM-RS symbols and compensation information related to the phase-difference compensation.

Embodiments disclosed herein encompass methods, apparatus, and systems for interference management. First resource elements (REs) are configured to enable measurement of interference that affects communications between a first user equipment (UE) and a first network device in a wireless communication system. The first REs include REs that correspond to a subset of REs in a set of second REs, and the set of second REs includes all REs at a time position in a time-frequency grid that are muted for communications by a second UE. Interference mitigation based on the interference measurement may be applied to manage the interference. The interference may include cross-link interference between links in the same wireless communication system, or links in different wireless communication systems such as a terrestrial network and a non-terrestrial network.

Techniques are described for selecting co-channel cells for a LEO satellite system based on defining stay-out distances in UV space units. For example, “stay-out distance” can be defined as x-dB of beamwidth. Each x-dB in UV space remains substantially constant, regardless of the scan angle of the beam. As such, for any cell, regardless of its location in UV space, the responses of co-channel beams not directed at this cell will have dropped off by a consistent amount over the stay-out distance, and the stay-out distance (e.g., the value of x) can be defined such that the drop-off is sufficient to keep responses of co-channel beams not directed at any particular cell to within an acceptable level of interference.

The invention discloses a method, device and equipment for optimizing read interference of a physical block and a medium, and relates to the technical field of solid state hard disks, and the method comprises the following steps: in response to the fact that the read frequency of the physical block is in a preset evaluation range, carrying out quality evaluation on the physical block; and if the result of the quality evaluation shows that the quality of the physical block is superior to a preset standard, performing compensation updating on the number of reading times of the physical block to delay data migration. According to the method, the accurate quality evaluation of the physical block is triggered by setting the preset evaluation range, and the reading times of the physical block with excellent quality is compensated and updated based on the evaluation result. According to the mechanism, unnecessary data migration can be dynamically delayed, so that write amplification and flash memory wear of the solid state disk are effectively reduced. According to the method, on the premise of ensuring the data reliability, the additional write-in overhead generated due to read interference management is remarkably reduced, and finally the technical effect of prolonging the service life of the solid state disk is achieved.

The invention relates to a technique for cross-link interference management. The application relates to devices and components including apparatuses, systems, and methods for supporting layer 1 cross-link interference measurement and reporting.

Methods, apparatus and systems for enabling interference avoidance, for example from self and neighboring interference are disclosed. In one representative method implemented in a Wireless Transmit / Receive Unit (WTRU) using time-frequency (TF) resources in first and second directions, the method includes comprising TF resource muting or symbol muting, by the WTRU, one or more TF resources for communication in the first direction based on information associated with a communication in the second direction or subframe shortening, by the WTRU, by one or more TF resources for communication in the first direction based on information associated with a communication in the second direction.

The invention discloses a distributed cooperative interference management method for a multi-task air federated learning system, and the method comprises the steps: firstly, obtaining channel information between each base station and associated edge equipment, and an interference temperature value between the base stations, so as to construct a communication parameter optimization model; secondly, calculating the optimal transmission power and the optimal noise reduction factor through interference temperature negotiation between paired base stations by adopting a distributed coordination mechanism; then, all base station pairs are traversed circularly, and collaborative optimization of power and noise reduction factors of the whole network is completed; and finally, the edge equipment executes air aggregation transmission of gradient signals based on the optimal transmission power, and the target base station completes signal processing and updates the cell model according to the optimal noise reduction factor of the target base station. According to the distributed cooperative interference management method, the cross-cell performance balance of a multi-task system can be remarkably improved, the communication and calculation burden can be effectively reduced, the network expansibility and stability are improved, and the distributed cooperative interference management method is more suitable for multi-task air federated learning in a large-scale network environment.

Various aspects of the present disclosure relate to methods, apparatuses, and systems that support interference management. For instance, implementations provide for clustering of base stations (e.g., gNBs) in association with resources, such as time slots. Further, base stations can be pre-configured by a network function and / or perform signaling (e.g., with the core network and / or other base stations) to form new clusters, negotiate resources (e.g., slots) associated with a new cluster, join existing clusters, and so on.