266 results about "Interference management" patented technology

The invention provides a time division duplex multi-carrier synchronous transmission method based on 5G, which is used for solving the problems of inflexible carrier time slot allocation and inaccurate time delay compensation in synchronous transmission. By dynamically adjusting time slot allocation and working frequency bands of carriers in a network control center, the method optimizes network loads and reduces cross interference; the time delay of each carrier is compensated in real time by adopting a synchronous signal calibration algorithm, so that strict alignment of transmission time slots is ensured; the transmitting end dynamically adjusts the transmitting power according to link state information, and the receiving end reduces interference and signal attenuation through a multi-carrier cooperative interference management and multi-path delay compensation mechanism; and a receiving end performs joint decoding based on channel estimation and integrates demodulation signals of all carriers, so that the transmission efficiency and the signal quality of the 5G network are improved. The method is suitable for a base station system and a base station and repeater extension coverage system, and is especially suitable for a distributed wireless system including an optical fiber remote distributed system, a cable remote frequency shift repeater system and the like.

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.

A network element for configuring a Remote Interference Monitoring Reference Signal (RIM-RS) is disclosed. The network element transmits RIM-RS resource configuration and Information of Things (IoT) measurement and reporting configuration information to a base station. The base station conducts the IoT measurement and ducting phenomenon detection according to the received configuration, and transmits the results to the network element. The base station determines the number of repetition and / or near-far indication based on the received information and transmits the number of repetition and near-far indication to the base station. The base station then transmits the RIM-RS according to the received repetition and near-far indication.

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.

The present disclosure is directed to systems and methods for conveying remote interference management information via a reference signal. For example, an interference management method may include receiving, at a first device, an interference signal from a second device. At the first device, a reference signal is generated, including mitigation information for remote interference management. The first device may transmit the reference signal to the second device. The method may further include receiving, at the first device, a mitigation response signal indicative of a level of mitigation undertaken by the second device based on the mitigation information that the first device transmitted.

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 simple receiving multiple access method based on joint allocation of symbols and bit streams. The method comprises the following steps: firstly, allocating the symbol streams and the bit streams of all users by a transmitter based on a layered orthogonal amplitude modulation constellation diagram; different interference management schemes are adopted for inter-user interference in different beams and inter-user interference in the same beam, so that the influence of the inter-user interference on the system performance is suppressed; and performing channel equalization processing on signals received by each user receiver, calculating the log-likelihood ratio of each bit stream allocated to each user by each user according to a bit stream allocation result, and sending a calculation result to a channel decoder to obtain original bit data. According to the method, each user symbol and bit stream allocation scheme and constellation diagram design are jointly optimized, and efficient user access in a large-scale access scene can be realized under the condition of meeting the signal processing complexity constraint condition of a receiver.

Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a first network entity may generate cell information about a first cell provided at least in part by the first network entity, the cell information associated with one or more potential sources of interference at a second cell provided at least in part by a second network entity, the one or more potential sources of interference being associated with the first cell. The first network entity may communicate the cell information to the second network entity. Numerous other aspects are described.

The invention provides a base station resource allocation optimization method and apparatus, and a readable storage medium. The method comprises the steps of obtaining performance data of a base station; according to the performance data, determining a resource adaptive allocation strategy through a deep reinforcement learning model; according to the performance data, position information of an interference source is determined through a weighted average algorithm, and an interference isolation strategy is determined; and carrying out allocation optimization processing on the base station resources based on the resource adaptive allocation strategy and the interference isolation strategy. According to the base station resource allocation optimization method provided by the invention, intelligent resource scheduling and interference management of the mobile communication base station are realized through deep reinforcement learning, interference analysis, cooperative load and a self-healing mechanism. According to the scheme, a highly dynamic network environment can be effectively handled, the resource utilization rate of the base station and the user experience are improved through real-time sensing and intelligent adjustment, and the stability and high-efficiency operation of the network are guaranteed.

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.

According to embodiments, a method performed by a radio unit (RU) may comprise an operation of receiving configuration information for a remote interference management (RIM)-reference signal (RS) from a distributed unit (DU). The method may comprise an operation of receiving a message containing bit data for the RIM-RS from the DU. The method may comprise an operation of generating a complex-valued symbol corresponding to the bit data for the RIM-RS. The method may comprise an operation of generating a RIM-RS signal by performing at least one of phase rotation or phase difference compensation for the complex-valued symbol on the basis of the configuration information. The method may comprise an operation of generating a baseband signal corresponding to the RIM-RS signal on the basis of an inverse fast fourier transform (IFFT) and cyclic prefix (CP) insertion of the RU.

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.

The invention discloses an anti-unmanned aerial vehicle interference system and method based on a radio cracking technology, and relates to the technical field of unmanned aerial vehicles. The anti-unmanned aerial vehicle interference system comprises an environment monitoring management module, a signal interference identification module, an instantaneous interference suppression module, a discontinuous interference management module, a continuous interference confrontation module, an effect evaluation module and a feedback adjustment module. The technical key points are as follows: the system aims at performing efficient and intelligent anti-interference processing on various interferences faced by unmanned aerial vehicle signals through a radio cracking technology to ensure stable flight and control of the unmanned aerial vehicle in a complex electromagnetic environment, the system integrates a plurality of functional modules, different strategies are adopted for instantaneous, intermittent and continuous interferences respectively, and the unmanned aerial vehicle can stably fly and control the unmanned aerial vehicle in a complex electromagnetic environment. Therefore, accurate and rapid anti-interference adjustment is realized. The stability and reliability of the unmanned aerial vehicle in a complex electromagnetic environment are remarkably improved, and a powerful guarantee is provided for safe flight and efficient operation of the unmanned aerial vehicle.

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.

This disclosure provides systems, methods, and apparatuses for the identification of a channel state information reference signal (CSI-RS) resource. In some aspects, a UE that receives the CSI-RS may determine CSI feedback based at least in part on the CSI-RS after detecting the CSI-RS resource that includes the CSI-RS. Signaling or techniques for when no CSI-RS is detected (such as when the base station fails a channel access operation for all available CSI-RS resources) are also provided. Furthermore, approaches for rate matching for a shared channel around CSI-RS resources or for CSI interference management (CSI-IM) resources are provided, as well as CSI reporting approaches for cases when the UE fails to transmit CSI feedback due to a failed channel access operation, such as a triggered or re-triggered CSI report.

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.

The present application relates to devices and components including apparatus, systems, and methods to provide reception assisted access and interference management for a communication network.