1247 results about "Air interface" patented technology

Disclosed are techniques for wireless environment sensing. In aspects, a device-equipped target object receives a radio frequency (RF) sensing signal from a transmitter device, the RF sensing signal configured to enable a sensing device to sense target objects in an environment of the sensing device, the target objects including the device equipped target object. The device-equipped target object transmits an RF sensing response signal to the sensing device in response to reception of the RF sensing signal. In an aspect, a sensing device receives an RF sensing response signal from a device-equipped target object, the RF sensing response signal configured to enable the sensing device to sense the device-equipped target object in an environment of the sensing device. The sensing device detects a presence of the device-equipped target object in the environment of the sensing device based at least on the RF sensing response signal.

The present invention relates to a delay guarantee method for a cloud PLC service in a 5G-TSN architecture, comprising: adding a service priority mapping function, a priority queue management function and a radio resource scheduling function in a 5G-TSN network, wherein a method for priority allocation of radio resources for a cloud PLC industrial control service comprises: collecting statistics about queue data volume, feeding back wireless channel quality, calculating required radio resources and allocating the radio resources. According to the present invention, a 5G network delay is reduced, intermediate cables and devices are reduced, the moving range of a device terminal is expanded, a cloud PLC service is given priority allocation of resources at a radio air interface, and in a multi-service hybrid transmission scenario, the proposed algorithm can obtain lower delay compared with an algorithm which does not provide guarantee. A virtual communication interface is flexibly connected to multiple protocols, multi-manufacturer device interconnection is supported, cloud cooperative control is achieved, the production efficiency is improved, a 5G-TSN network bears multiple services at the same time, delay deterministic guarantee is provided for industrial control services, and the deployment complexity of an industrial field network is reduced.

A method performed by a user equipment (UE) for detecting performance degradation for machine learning (ML)-model performance of the UE is provided. The method comprises sending, to a network node, at least one ML-model output; and sending, to the network node, communication information, wherein the communication information is associated with communication performance of the UE. The at least one ML-model output and the communication information associated with communication performance of the UE facilitate determination of a cause of degraded performance of the UE including at least one of a cause related to the ML model or a cause unrelated to the ML model.

The invention discloses a low-orbit satellite beam scheduling and resource allocation method and device, equipment and a storage medium, and relates to the technical field of communication, and the method comprises the steps: determining the time slot priority of a to-be-scheduled user; dividing to-be-scheduled users into different user groups, and determining a wave potential interference matrix between the user groups; time slot allocation is carried out based on the time slot priorities of the to-be-scheduled users and the beam position interference matrix between the user groups, and a hopping beam spectrum is generated; determining a target to-be-scheduled user corresponding to an available beam in each time slot in an updating period of the hopping beam atlas; and performing resource allocation on each time slot based on the service priority of the target to-be-scheduled user of the available beam in each time slot. Through the above mode, interference isolation and time slot allocation calculation are completed based on user priorities and user grouping, multi-user resource allocation scheduling is carried out under a single time slot, air interface resource information is fully utilized, and the spectrum utilization rate and the system throughput rate are improved to the maximum degree.

A first network element (a training data collection network element) receives first information from a second network element (an AI model training network element), the first information being for determining validity of candidate training data collected by the first network element. The first network element collects candidate training data of an AI model, and determines the validity of the candidate training data based on the first information. When the candidate training data is valid, the first network element sends valid candidate training data to the second network element, but does not send invalid candidate training data. When there is no valid candidate training data, the first network element indicates, to the second network element, that the training data collected this time is invalid, and does not send the candidate training data collected this time to the second network element. Waste of air interface resources can be reduced.

The invention discloses a power line carrier communication protocol data link layer simulation method, which comprises the following steps of: constructing a physical layer interface simulation module, simulating power line carrier or wireless air interface transmission through TCP socket communication, and creating a high-priority task process to process time slot-level time sequence synchronization for triggering a physical layer transceiving action at a specified time slot; configuring a time sequence synchronization control mechanism, obtaining a timestamp carried by a beacon frame sent by a concentrator, calling a clock synchronization function to align a site local clock with the timestamp when receiving the head of the beacon frame, adding delay compensation before sending data, and delaying and starting a physical layer receiving action to offset IP network transmission delay when receiving the data; a data frame processing flow is realized, a header callback function is controlled through a registration frame to respond to a physical layer state change, TCP message data is cached by using an annular queue, and a physical layer interface simulation module analyzes a message, distributes a memory and processes a load at a specified time slot after time sequence synchronization.

Aspects of the disclosure involve a technique for receiving signals for communication and sensing. The technique comprises receiving, at a communication device, one or more sensing signals within an air interface frame structure comprising a plurality of slots, each slot comprising a plurality of symbols. The one or more sensing signals occupy a first subset symbols in the plurality of symbols. The technique further comprises receiving, at the communication device, one or more communication signals occupying a second subset of symbols in the plurality of symbols. The one or more sensing signals comprise one or more sensing waveforms, each being associated with a duration aligned with one or more symbol boundaries. The one or more communication signals comprise one or more communication symbols, each being associated with a duration aligned with one or more symbol boundaries.

The invention provides a cross-medium remote control communication method, device and equipment and a storage medium, which are applied to a cross-medium remote control system comprising a transmitting end and a receiving end. The method comprises the following steps that: a transmitting end responds to a key operation of a user, generates a key signal, codes the key signal, and generates a modulation electric signal containing a synchronous head signal and an instruction frequency signal; environment parameter information is collected, dynamic parameter adjustment is carried out on the modulation electric signal according to the environment parameter information, and the adjusted modulation electric signal is converted into a modulation light signal through an LED; a receiving end receives the cross-medium transmission optical signal, carries out amplification and digital processing, and extracts frequency characteristic information through spectrum analysis; and analyzing a control instruction according to the frequency characteristic information and executing corresponding equipment control operation. Through the specific time-frequency signal structure design and the multi-stage signal processing technology, the stability problem of water-air interface signal transmission is effectively solved, and low-delay and high-success-rate cross-medium remote control communication is achieved.

The invention relates to the technical field of wireless communication, provides a scene-driven intelligent wireless communication system based on digital twinning, and defines an interactive interface of a system-level simulation layer, a link-level twinning layer and a physical transmission layer in order to solve the problems that an existing wireless communication system is fixed in transmission mode and solidified in performance boundary. Wireless communication is enabled and intelligent by means of the digital twin technology, the air interface transmission mode is flexibly and rapidly adjusted according to the communication environment or user service requirements under the condition that an actual physical wireless communication system is not affected, higher-quality communication services can be provided as required, and the utilization rate of air interface time-frequency resources is increased. According to the method, air interface transmission parameters can be dynamically adjusted according to cognition of a current communication scene, future user requirements and prediction of channel quality, time-frequency resource allocation is pre-optimized in a predictable manner, and simulation deduction and rapid verification are carried out by utilizing a twin environment. And finally, an optimal communication optimization strategy under the current communication condition or an air interface transmission pre-adjustment strategy under the future channel quality condition is obtained, and the flexibility and efficiency of air interface transmission are improved.

A policy determining method is disclosed, and includes: obtaining, based on a digital twin entity, first data and a label corresponding to the first data; and training, based on the first data and the label corresponding to the first data, to obtain an artificial intelligence AI model. The AI model is configured to obtain an air interface access policy and / or a user plane path selection policy of a plurality of terminal devices in a network or in an area. This helps resolve a problem of the air interface access policy and user plane path selection of the plurality of terminal devices in the network or in the area. This can further ensure that network energy consumption is the lowest when overall average service experience of the terminal devices reaches a specific threshold.

Embodiments of this application provide a communication method and apparatus. The method includes: A first device (for example, a terminal device or a network device) determines that a first data frame is lost. The first device discards a first data packet received from an upper layer, where the first data packet is a part of or all data packets in a second data frame, the second data frame is located after the first data frame, and the second data frame is associated with the first data frame. According to the method disclosed in this application, a data frame transmission failure is identified, and proactive discarding of a data packet in a subsequent data frame associated with the lost data frame is triggered, to avoid a waste of air interface resources and transmission resources, reduce execution of unnecessary decoding operations, and reduce power consumption of the device while improving resource utilization.

The present application belongs to the technical field of communications, and discloses a clock synchronization method, a device, and a computer readable storage medium. The method comprises: selecting a master clock source inside of a base station to be a clock synchronization source of a fusion control system; on the basis of the clock synchronization source, constructing a wired synchronous master clock message and an air interface synchronous master clock message; and sending the wired synchronization master clock message to a wired connection device, and sending the air interface synchronization master clock message to a wireless connection device.

Apparatus and methods for determining an uplink pathloss for a communications device. A system comprises: a first infrastructure equipment; a second infrastructure equipment; and a communications device configured to communicate with the first infrastructure equipment via a first air interface provided by the first infrastructure equipment, and to communicate with the second infrastructure equipment via a second air interface provided by the second infrastructure equipment. The first air interface is an uplink-only interface for the communications device, and wherein the second air interface is both an uplink and downlink interface for the communications device. The uplink pathloss for the communications device on the first air interface is determined based on a received signal power of a first reference signal at the first infrastructure equipment and a transmission power of the first reference signal.

Provided is a time delay measurement method, comprising: acquiring a first time delay and a second time delay of a first data packet, the first time delay being a time delay between a user plane device and a terminal device, and the second time delay being a time delay between the user plane device and an access network device; and determining a target time delay according to the first time delay and the second time delay, the target time delay being a time delay between the terminal device and the access network device. According to the scheme provided by the invention, when the air interface time delay is determined, the terminal equipment and the access network device do not need to specially send data packets carrying timestamps for multiple times for measurement, so that the overhead caused by measuring the air interface time delay is reduced, and the air interface capacity of the access network device and the terminal equipment is improved.

The invention provides a communication method, a communication device and a communication system, which can support flexible change of the number of ports of a reference signal in a scene of dynamic turn-off of an RF channel. In one embodiment, a network device transmits reference signals of m1 ports on part or all of a reference signal resource that can be used to transmit reference signals of at most M ports and support estimation of channels of at most K ports, the m1 ports of the reference signals being from the M ports. The terminal can perform channel estimation and send the CSI according to the reference channel estimation auxiliary information and the reference signal. In the method, m1 < = k1 < = K, and m1 < = M < = K. Namely, the terminal can perform channel estimation according to the reference signals of the minority of ports by using the reference channel estimation auxiliary information to obtain the channels of the majority of ports. Along with the reduction of the number of ports of the reference signal sent by the air interface, the air interface overhead brought by the reference signal is also reduced by considering port multiplexing.

The present application relates to the field of sensing, and discloses a sensing method, apparatus and device, and a storage medium. The method is executed by a terminal device. The method comprises: receiving first information, the first information comprising configuration information related to sensing. The configuration information related to sensing is configured for a UE, so that the UE can execute a sensing service on the basis of the expectation and instruction of a network side, preventing the UE from performing meaningless, repetitive and redundant operations to waste power consumption, preventing the UE from exchanging meaningless, repetitive and redundant signaling or data with the network side to waste air interface resources, and helping to achieve the effects of saving energy and saving air interface resources.

The invention discloses a capability synchronization method, a capability synchronization system and a related device. The UE comprises an NTN communication module and a mobile communication module. And after the mobile communication module is registered to the TN-CN, the NTN communication module executes the registration process of the NTN-CN through the mobile communication module, the TN-RAN and the TN-CN. And the NTN-CN obtains the NTN air interface capability information of the UE of the NTN communication module through the TN-CN, the TN-RAN and the mobile communication module. Thus, since the NTN-CN obtains the NTN air interface capability information of the UE under the TN network, the NTN-CN does not need to obtain the NTN air interface capability information of the UE again under the NTN, the signaling overhead for transmitting the NTN air interface capability information of the UE between the UE and a core network of a non-ground network is reduced, the time required by the UE for transmitting the NTN air interface capability information of the UE under the NTN is saved, and the power consumption of the UE is saved.

Methods and devices utilizing artificial intelligence (AI) or machine learning (ML) for customization of a device specific air interface configuration in a wireless communication network are provided. An over the air information exchange to facilitate the training of one or more AI / ML modules involves the exchange of AI / ML capability information identifying whether a device supports AI / ML for optimization of the air interface.

Disclosed in the present application are a measurement reporting method and apparatus. The method comprises: a terminal device receiving measurement report configuration information; sending a first measurement report at a first moment; and sending a second measurement report at a second moment, wherein the measurement report configuration information comprises a reporting type of a measurement report, the reporting type is periodic reporting or event-triggered periodic reporting, and the measurement report configuration information carries a first period; the second measurement report is the first one after the first measurement report; and an interval between the second moment and the first moment is greater than the first period. By means of the method, the number of times a terminal device reports a measurement report can be reduced, thereby saving on air interface resources, and reducing the power consumption of the terminal device.

The invention relates to the technical field of wireless communication, and particularly discloses a spectrum sensing method and device for a cooperative frequency switching network and a communication system, and the method comprises the steps: generating a service network air interface frequency utilization situation table according to a network-level cooperative frequency control instruction transmitted by a guard network; a frequency spectrum sensing control instruction is generated according to the service network air interface frequency use situation table, the frequency spectrum sensing control instruction is diffused through a guard network, and the service terminal guard module can sense and monitor a service network air interface according to the frequency spectrum sensing control instruction and a to-be-sensed frequency set; and sensing and monitoring a service network air interface according to the to-be-sensed frequency set. The spectrum sensing method of the cooperative frequency switching network provided by the invention can assist in improving the anti-interference capability of the cellular network.

Embodiments of the present disclosure relate to method and apparatus for handing over a UE in an IAB network. According to some embodiments of the disclosure, a UE may: communicate with a first BS via a wireless network node; receive an RRC reconfiguration message for handing over the UE from the first BS to a second BS together with the wireless network node; and in response to receiving the RRC reconfiguration message, maintain an air interface between the UE and the wireless network node while performing the handover from the first BS to the second BS.

The invention discloses an air interface time delay processing method and device based on inter-cell cooperation, electronic equipment and a storage medium. The method comprises the steps of obtaining a first data packet; the first data packet comprises a first identifier corresponding to a service type for the terminal to send or receive the first data packet; under the condition that the first identifier represents that the service type is a low-delay high-reliability communication (URLLC) service, judging whether the terminal is located in an overlapping coverage area of at least two cells or not; under the condition that the terminal is located in the overlapping coverage area of the at least two cells, determining a second identifier corresponding to a reason for generating air interface time delay fluctuation during transmission of the first data packet; judging whether to start a control strategy corresponding to coordinated multipoint joint transmission (COMP JT) of the terminal or not based on the second identifier, a block error rate (BLER) transmitted by the first data packet and waiting residual time delay; the control strategy is used for adopting different cooperative scheduling modes for the terminal based on different air interface time delay fluctuation reasons.

The invention provides a communication method, device and system, which can be applied to the technical field of communication and can transmit a plurality of positioning system message blocks to terminal equipment through a system message air interface. The method comprises the following steps: acquiring a plurality of positioning system message blocks; wherein each positioning system message block comprises a plurality of segments. Periodically broadcasting a plurality of positioning system message blocks through the system message; wherein the periods of the plurality of positioning system message blocks comprise a plurality of periods of the system message; wherein in the plurality of positioning system message blocks, one segment of each of one or more positioning system message blocks is sent through one period of the system message.

A communication method, a communication device and a communication system are applied to the technical field of communication. The method comprises: an AP generating a PPDU, the PPDU comprising a first field, the duration of the first field being determined by the duration of a first STA adjusting an operating mode (OM) parameter; the AP sends a PPDU, correspondingly, the first STA receives the PPDU, the first field is borne in a first resource unit RU, and the first RU is included in the RU corresponding to the first STA; the first STA adjusts an OM parameter based on the PPDU. Through the embodiment of the invention, the air interface and time overhead can be reduced, and the signaling overhead is saved.

A networking centralized control method, a controller, an access point and a system relate to the technical field of optical communication, and the method comprises the following steps: setting BSSIDs of APs in a networking network to be the same, and enabling the BSSIDs to work in the same channel; acquiring user measurement information of the APs in real time to divide a non-conflict area and / or a conflict area of each AP; determining the time-sharing weight of each AP to obtain the grouping priority, dividing the APs without conflict areas into one group, and obtaining all AP groups based on the association relationship between the user and the APs; and determining the length of the time-sharing period of this round, and determining the length of an initially allocated time slice when all the APs communicate with the non-conflict areas of the APs and each AP group communicates with the conflict areas of the APs according to the length of the time-sharing period of this round and the traffic weights of the non-conflict areas and the conflict areas. According to the invention, the downlink air interface resources of the AP can be effectively managed and scheduled, so that conflicts in the whole network are reduced, the performance of the whole network is improved, and the roaming performance of the user terminal is improved.

The invention provides a data transmission method and device and a storage medium, relates to the technical field of communication, and is used for ensuring accurate and efficient transmission of data and improving the utilization rate of air interface resources. The method comprises: a terminal device sends a first message to an access network device, the first message being used for requesting the access network device to allocate a transmission resource for transmitting a message to be transmitted to the terminal device, the first message comprising feature information of the message to be transmitted; the terminal equipment receives a second message sent by the access network equipment, wherein the second message is used for configuring transmission resources; and the terminal equipment sends the message to be transmitted to the access network equipment based on the transmission resource.

The invention relates to the technical field of unit detection, in particular to an ultrasonic detection method and device for the de-molding defect of a hydroelectric generating set bearing bush coating layer, and the method comprises the steps: obtaining ultrasonic data reflected by a base layer and a coating layer of a hydroelectric generating set bearing bush reference block; calculating a first reflectivity between a matrix layer interface and a cladding layer interface and a second reflectivity between the cladding layer interface and an air interface according to the ultrasonic data; according to the first reflectivity and the second reflectivity, the echo height difference is calculated, and the echo height difference is the echo height difference between the matrix layer interface and the cladding layer interface and the echo height difference between the cladding layer interface and the air interface; and according to the echo height and the echo height difference, carrying out ultrasonic detection on the actual hydroelectric generating set bearing bush coating layer to generate a de-molding defect detection result. Therefore, the problems of low detection efficiency, unstable accuracy, influence on safe operation of the unit and the like caused by the fact that the bearing bush coating layer de-molding defect of the hydroelectric generating set is detected depending on manual experience in the related technology are solved.

The embodiment of the invention provides a communication connection method and a communication connection device, which are used for realizing that one terminal establishes connection with a plurality of access network devices at the same time so as to improve the communication connection reliability of the terminal device. According to the method, the air interface capability of the terminal and the first air interface capability of the terminal are obtained through the access and mobility management device, the first air interface capability of the terminal is a subset of the air interface capability of the terminal, and the terminal is connected to the access and mobility management function device through the first access network device. After acquiring the working mode information of the terminal, the access and mobility management function equipment sends the air interface capability of the terminal or the first air interface capability of the terminal to the first access network equipment according to the working mode information of the terminal; and enabling the first access network equipment to perform air interface configuration with the terminal according to the first air interface capability of the terminal or the air interface capability of the terminal. The situation that air interface resources cannot be reasonably configured when the terminal is connected with a plurality of access network devices at the same time is avoided, and the communication connection reliability of the terminal is improved.

The invention provides a low-orbit satellite ground terminal air interface performance test method and device, and the method comprises the steps: calculating satellite position data observed by a to-be-tested ground terminal at different moments according to a preset ground terminal position and low-orbit communication satellite ephemeris data, and generating a visible satellite motion track of the ground terminal position; selecting a preset number of track points on the visible satellite motion track as test points, and importing satellite position data of the test points into a test system; when the measurement antenna moves to the first test point, satellite position data corresponding to the first test point is transmitted back to the ground terminal to be tested; the to-be-tested ground terminal generates wave beams according to the received satellite position data, connection is established, and the test system completes air interface wireless performance measurement of the first test point; all the test points are traversed through the processing process, air interface wireless performance measurement of the ground terminal to be tested is completed, and air interface wireless performance measurement results corresponding to all the test points are obtained.

The invention relates to the technical field of communication interaction, in particular to an angle measurement method and device and a storage medium. The angle measurement method applied to first reference equipment comprises the following steps: receiving a plurality of measurement signals sent by target equipment; respectively determining a first phase measurement value of each received measurement signal; receiving a plurality of second phase measurement values sent by a second reference device; based on the plurality of first phase measurement values and the plurality of second phase measurement values, determining distance difference values between the target equipment and the first reference equipment and between the target equipment and the second reference equipment; and determining deflection angles between the target equipment and the first reference equipment and between the target equipment and the second reference equipment based on the baseline length and the distance difference between the first reference equipment and the second reference equipment. According to the invention, the air interface occupation time of signal transmission can be reduced, the test time delay can be shortened, the requirement on the measurement precision can be effectively reduced, and the process of determining the angle information of the target equipment is more convenient and efficient.