624 results about "Air interface" patented technology

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 provides a synchronization adjustment method and system, computer equipment and a storage medium, and relates to the technical field of communication, and the method comprises the steps: obtaining synchronization information and an air interface signal of a current cell where a terminal is located; generating a first time domain signal based on the synchronization information; performing down-sampling processing on the air interface signal to obtain a second time domain signal; performing correlation calculation on the first time domain signal and the second time domain signal to obtain a correlation value sequence; and carrying out weight gravity center estimation on a peak value in the correlation value sequence, determining a timing offset, and adjusting a windowing position according to the timing offset to complete synchronous adjustment. According to the synchronization information disclosed by the invention, the accurate timing position is obtained by carrying out weight-based correlation calculation on the synchronization information and the air interface signal, so that the time drift error of the terminal in the signal receiving process is counteracted. The method is especially suitable for scenes with wide coverage and multipath delay exceeding the cyclic prefix length, can significantly reduce inter-symbol interference, and improves the synchronization precision and overall demodulation performance of a terminal receiver.

The invention discloses a data processing method and device, a terminal and network side equipment. The data processing method of the embodiment of the invention belongs to the technical field of communication, and comprises the steps that a first protocol layer of network side equipment performs first processing on a data packet, and the first processing comprises at least one of the following items: data distribution related processing; performing data aggregation related processing; wherein the first protocol layer is located on an air interface access technology protocol layer.

The invention discloses a method, equipment and medium for automatically testing the sensitivity of a broadband radio frequency system, and relates to the technical field of broadband radio frequency testing, and the method comprises the steps: starting a testing process, and coordinating a plurality of calibration equipment and equipment to be tested in a wireless network in the same testing time slot, synchronously sampling spectrum data of each calibration device through an air interface and processing the spectrum data into a noise distribution parameter set; and dynamically adjusting the output power of the vector signal generator and synchronously monitoring the bit error rate change according to the received power predicted value until the difference value between the bit error rate and a preset target bit error rate threshold value meets a convergence condition, recording the received power value during convergence as a sensitivity test result, and generating a test report. By generating the high-precision dynamic noise map and calculating the compensation transmitting power calibration value, accurate sensing and active compensation of the space noise of the test environment can be realized.

A method for processing small data transmission, a device and a readable storage medium are provided, which relates to the field of communication technology to save air interface resources. The method includes: receiving, by a first access network node, downlink small data transmission (SDT) data and / or downlink non-access-stratum (NAS) signaling of a target terminal; determining, by the first access network node, that an anchor point transfer occurs on the target terminal; and sending, by the first access network node, SDT configuration information to a second access network node, where the second access network node is accessed by the target terminal, and the SDT configuration information is configured to process the downlink SDT data and / or the downlink NAS signaling of the target terminal.

A low-altitude unmanned aerial vehicle cooperative sensing system based on 5G-A communication and sensing integration comprises a plurality of 5G-A communication and sensing integration base stations deployed on the ground, a plurality of low-altitude flight unmanned aerial vehicle nodes and a cooperative sensing dispatching center located on the core network side, and the 5G-A communication and sensing integration base stations are provided with millimeter wave large-scale MIMO antenna arrays integrating communication and radar sensing functions. The unmanned aerial vehicle node is used for transmitting communication signals and sensing detection beams to the air at the same time, the unmanned aerial vehicle node carries a communication sensing fusion terminal supporting a 5G-A air interface protocol, and the terminal comprises a radio frequency receiving and transmitting module, a beam forming processor and a local sensing data caching unit. According to the invention, the millimeter wave large-scale MIMO antenna array of the 5G-A communication and sensing integrated base station is utilized and is divided into the communication sub-array and the sensing sub-array which are independent and controllable, so that the extreme multiplexing of a frequency spectrum and hardware resources is realized, and the communication and the sensing can run in parallel on the same frequency band and the same equipment without interfering with each other.

The embodiment of the application provides a method for controlling transmission and a related device, the method comprises the following steps: when a first device is in a non-radio resource control (RRC) connected state, a first network device is sent first information or second information, the first information indicates that small packet data transmission (SDT) is requested to be stopped, the second information indicates that a gap configuration for SDT is requested, or the second information indicates that SDT is requested to be suspended. The embodiment of the application can be applied to the scenario that the first device may not continue SDT, and can avoid the case that the first network device continues to schedule resources for SDT when the first device no longer continues to listen to SDT, thereby saving air interface resources.

Embodiments of this application provide a data transmission method, a communication apparatus, and a communication system. An example method includes: A first apparatus sends first configuration information to a plurality of second apparatuses, where the first configuration information is used for sending point cloud data on a same air interface resource by the plurality of second apparatuses. The first apparatus receives point cloud data from at least two of the plurality of second apparatuses. In this solution, the plurality of second apparatuses send the point cloud data to the first apparatus on the same air interface resource.

An air interface processing method is performed by a terminal and includes: reporting, in response to determining that the terminal performs air interface processing based on an artificial intelligence (AI) manner, a notification message to a base station, wherein the notification message is for notifying the base station that the terminal performs the air interface processing based on the AI manner.

Provided in the present application are a communication method and a related apparatus. The method comprises: a terminal device receiving information of a function, wherein the function is used for fitting power distribution coefficients corresponding to a plurality of resource elements (REs), the function is a polynomial function, and the information of the function may comprise a coefficient corresponding to the function; and on the basis of a sub-carrier index and the function, determining a power distribution coefficient corresponding to each RE. By means of the technical solution provided in the present application, the overheads of air interface transmission can be reduced.

Provided are a channel access method and a communication device, the method comprising: determining backoff time information on the basis of the length of a first time unit, the backoff time information indicating a first duration for a first device to execute backoff, the length of the first time unit being greater than or less than the length of a time slot; and executing a back-off process according to a channel state of a first channel and the back-off time information, the first channel being used for transmitting data of the first device after the back-off is finished. The backoff duration of the second device is determined based on the length of the time unit whose length is greater than or less than the length of the time slot, so that the probability of air interface collision between the first device and other devices in the network can be reduced, and the data transmission delay can be reduced.

A wireless communication device includes an antenna array with multiple antenna elements, an array of power amplifiers, and an array of phase shifters. Each antenna element is coupled to a power amplifier and a phase shifter. The device also includes transmitter circuitry coupled to the antenna array to encode a constant amplitude signal, which includes a power amplifier enable code to indicate which power amplifiers are to run in a subsequent data sample and a beam direction code to control beam direction of each phase shifter of the array of phase shifters in the subsequent data sample. The constant amplitude signal is then provided to the array of antenna elements and amplitude and phase modulation is combined over an air interface into a composite modulated signal.

The invention relates to a network equipment control method and device of an FTTR system and the FTTR system. The method comprises the following steps: when a first master device is in a master state, synchronizing system state information of an FTTR system to a second master device through an air interface communication link; when it is detected that the optical fiber link between the first main device and the optical splitter has a fault, sending a switching request message to a second main device through an air interface communication link; wherein the switching request message is used for indicating the second main equipment to execute a protection switching process according to locally stored system state information; the protection switching process is used for switching the second master device to a master state. By adopting the method, the reliability of the FTTR system can be improved.

The invention provides a wireless data packet monitoring method and computer equipment, relates to the technical field of data monitoring, and solves the problems of poor packet capture flexibility, low air interface data acquisition efficiency and inflexible data storage mode in the existing data monitoring technology. The method comprises the following steps: a monitoring device receives an instruction of entering a monitoring mode, switches the monitoring device to the monitoring mode, and performs packet capture processing on channel and bandwidth information of WiFi devices around the monitoring device by using the monitoring device to obtain packet capture data; judging whether the monitoring equipment is networked or not, and if the monitoring equipment is networked, periodically storing or uploading the packet capture data to a server; and if not, regularly storing or uploading the packet capture data to the local. According to the invention, the automation and intelligentization of the wireless data monitoring process are realized, the dependence on external auxiliary equipment is reduced, the air interface data acquisition efficiency is improved, and the data storage flexibility is improved.

The embodiment of the invention discloses a call quality optimization method and device, a terminal and a computer program product, and belongs to the technical field of communication. The method comprises the following steps: acquiring air interface measurement data in a call process, wherein the air interface measurement data is used for representing an air interface communication state between the terminal and network equipment; obtaining a call quality prediction result based on the air interface measurement data in a specific time window and a call quality prediction model, wherein the call quality prediction result is used for representing call quality at a moment after the specific time window; and under the condition that the call quality prediction result is lower than a preset threshold, executing call quality optimization operation. By adopting the scheme provided by the embodiment of the invention, the accuracy of call quality prediction can be improved through the call quality prediction model, and intervention is performed before a call quality problem occurs based on the call quality prediction result, so that the probability of occurrence of problems such as call interruption can be reduced.

The embodiment of the invention provides a communication method and device, equipment and a medium, relates to the technical field of satellite communication, is applied to a TDD satellite communication system, and is used for improving the utilization rate of air interface resources. In the present application, a satellite station device can respectively send time slot scheduling information to terminals in corresponding beam positions based on scheduling frame formats of a first beam position and a second beam position, and in the scheduling frame formats, idle time slots of the first beam position are a DL time slot and an UL time slot of the second beam position. The idle time slot of the first wave position can be the DL time slot and the UL time slot of the second wave position, so that the satellite station equipment can perform scheduling operation as far as possible on each time slot to the greatest extent, and therefore, the purpose of improving the utilization rate of air interface resources can be achieved.

The invention provides a sensing service processing method and computer equipment, which supports a sensing function by designing and expanding related signaling of a basic air interface layer (namely a physical layer and a link control layer) and a basic service layer of a satellite flash system, so that a first service node (G node) in the system can carry out sensing service processing according to a sensing service request. A sensing transmission resource indication for the requested sensing service is sent to a second service node (T node) to determine a radio resource for the sensing service by the second service node, and then the first service node or the second service node can send a sensing radio frame accordingly to determine the radio resource for the sensing service. The service node receiving the sensing wireless frame processes the sensing wireless frame to obtain a sensing result, if the service node does not belong to the sensing request end, the sensing result can be sent to the sensing request end (the first service node or the second service node), and the sensing requirements of different sensing services are met.

The application relates to the technical field of wireless communication, in particular to a method and system for solving air interface collision, a base station and a terminal. The base station actively detects the collision state of an uplink time slot, generates downlink control signaling containing a time slot collision indication and a backoff parameter, and broadcasts the downlink control signaling, so that the terminal can learn whether the terminal's data transmission is collided in real time, the problem that the terminal cannot autonomously perceive air interface collision is solved, one signaling can indicate the states of multiple time slots, air interface resources are saved, and a basis is provided for subsequent backoff retransmission.

Exemplary embodiments of the present disclosure relate to lifecycle management for awareness. An exemplary method includes receiving, by a terminal device, a perceived type of a perceived feature or a configuration of at least one perceived function; and performing a perceptual or communication operation based on the perceptual type or the configuration of the at least one perceptual function. In this way, an air interface program for implementing a perceptual functional framework is designed.

The application provides a data transmission method, device and medium, relates to the technical field of communication, and is used for solving the problems that the existing base station and UE adopt special air interface radio frequency hardware which is expensive in cost and depends on licensed frequency bands, and the method comprises the following steps: a local conversion layer arranged in the base station / UE receives first high-layer protocol data from a local high layer, converts the first high-layer protocol data into first WiFi protocol data, and then sends the first WiFi protocol data to a local WiFi module, so that the local WiFi module sends the first WiFi protocol data to a peer WiFi module of a UE / base station; the local conversion layer arranged in the base station / UE receives second WiFi protocol data from the local WiFi module, converts the second WiFi protocol data into second high-layer protocol data, and then sends the second high-layer protocol data to the local high layer, wherein the second WiFi protocol data is received by the local WiFi module from the peer WiFi module of the UE / base station. The application can realize network communication between the base station and the UE based on the WiFi air interface connection.

User equipment includes a transceiver configured to transmit and receive signals over an air interface, a memory configured to store executable instructions, a processor configured to execute instructions stored in the memory. The processor executes the instructions to measure characteristics of uplink channels of the air interface at a first physical (PHY) layer and a second PHY layer. The processor also executes instructions to selectively route data from a packet data convergence protocol (PDCP) layer to one or more of a first radio link control (RLC) layer associated with the first PHY layer and a second RLC layer associated with the second PHY layer based upon the characteristics of the uplink channels.

The application provides an access backhaul end-to-end system, comprising a wireless backhaul module, a backhaul base station and a backhaul core network module; the wireless backhaul module is used for obtaining service data and signaling data forwarded by an original access base station, and performing air interface protocol encapsulation on the service data and the signaling data to obtain air interface interaction data packets; the backhaul base station is used for demodulating the air interface interaction data packets, encapsulating demodulated data based on a service interface protocol and a signaling interface protocol, and transmitting signaling data and service data of the backhaul base station obtained to the backhaul core network module; and the backhaul core network module is used for demodulating data of the backhaul base station and transmitting to a target receiving network according to a corresponding destination address. The access backhaul end-to-end system disclosed by the application makes backhaul control more flexible, facilitates mobility control, and can further enhance backhaul quality and control means.

The invention relates to a communication method, terminal equipment and a base station. The method comprises the following steps: counting a filling frame containing downlink data within a preset duration, wherein the filling frame is a sub-protocol data unit containing filling bits; judging whether the downlink air interface is congested or not according to the counted filling frames; and under the condition that the downlink air interface is not congested, the TCP connection is reestablished. Wherein the filling bits are invalid data occupied bits and represent idle resources, and according to the embodiment of the invention, the condition of the idle resources can be obtained by counting the filling frames, and whether the downlink air interface is congested or not can be judged. For example, if idle resources exist or many idle resources exist, the possibility of downlink air interface congestion is small, TCP connection is reestablished, normal data transmission can be quickly recovered under the condition that TCP data transmission is slow, the lagging time of data transmission is reduced, smooth communication is guaranteed as much as possible, manual operation of a user is not needed, and user experience is improved.

The present disclosure provides a method and a device in a communication node for wireless communications. The communication node in the present disclosure first receives first information, then receives second information, and then transmits a first radio signal; wherein the first information is used to determine a first transmission timing adjustment, the second information is used to determine a second transmission timing adjustment, and a start time for a transmission of the first radio signal is related to the first transmission timing adjustment and the second transmission timing adjustment; a minimum step-size size corresponding to the first transmission timing adjustment is not equal to a minimum step-size size corresponding to the second transmission timing adjustment; the first information, the second information and the first radio signal are all transmitted through an air interface. The disclosure can support large-delay-transmission and reduce overhead for configuring signaling of Time Advance (TA).

The invention discloses a communication method and device, relates to the technical field of communication, and can save air interface resources. The method comprises the following steps: a terminal sends first information, wherein the first information is used for requesting to use a first node in a first node set as a cooperative node of the terminal; and the terminal receives second information, wherein the second information is used for indicating that the second node can serve as the cooperative node or indicating that the third node cannot serve as the cooperative node. And the terminal measures the signal quality between the terminal and the second node to obtain third information, and the third information is used for indicating the signal quality between the terminal and the second node. And the terminal determines the cooperative node according to the third information. Based on the scheme, the second node for measuring the reference signal through the terminal is in the first node set sent by the terminal. The terminal may not need to measure nodes other than in the first set of nodes. Therefore, resources occupied by the nodes outside the first set for sending the reference signals for measurement are saved, and air interface resources occupied by the terminal for measuring the nodes outside the first set are saved.

A base station central unit (BS-CU) receives, from a base station distributed unit (BS-DU), a first message comprising cell parameters of a cell, wherein the cell parameters comprise a cell identifier of the cell and an identifier indicating one or more conditions for air interface model training of the cell. The BS-CU determines a first model and / or a first data set for the air interface model training of the cell, and sends, to the BS-DU, a second message comprising at least one of an identifier indicating the first model; or an identifier indicating the first data set.

Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a radio unit (RU) may receive, as at least part of a first fronthaul control plane (Cplane) message, a sounding reference signal (SRS) section extension that indicates transmission configuration information associated with two or more SRS ports and one or more transmissions that share one or more air interface resources that span multiple symbols and one or more frequency partitions. The RU may transmit, as at least part of a second fronthaul C-plane message, one or more channel estimation measurement metrics that are based at least in part on the transmission configuration information. Numerous other aspects are described.

The embodiment of the invention provides a scheduling method and a scheduling device, which are used for terminating a current air interface in advance so as to reduce blocking in a network and improve the whole network performance of a wireless network. The scheduling method provided by the application comprises: receiving a first message, switching from a scheduled state to a termination air interface competition decision state according to a first field of the first message, the scheduled state being a state in which a first network node is scheduled to transmit first service data through an air interface, the air interface competition termination decision state is a state in which the first network node decides whether to terminate air interface competition, and a first field of the first message is used for indicating the first network node to terminate air interface competition; if the first network node decides that the termination of the air interface competition succeeds, switching from the termination of the air interface competition decision state to a to-be-scheduled state, the to-be-scheduled state being a preparation state for the first network node to perform air interface transmission, and if the first network node decides that the termination of the air interface competition fails, switching from the termination of the air interface competition decision state to the scheduled state.

Embodiments of this application provide a communication method and apparatus. The method includes the following: After a terminal device receives a first message from a first network device, a second message transmitted by the terminal device to a second network device includes instruction information when a first condition is met. According to this method, the second network device obtains the instruction information only once, rather than multiple times, thereby avoiding problems such as the waste of air interface resources caused by the occupation of numerous air interface resources between the terminal device and the network device. Furthermore, since communication between the terminal device and the network device can be reduced, communication interference to other terminal devices can be reduced, and power consumption of the terminal device can be reduced.

A data transmission method and apparatus. The method comprises: for first sensing data corresponding to a same time unit, the first sensing data can be transmitted by determining N PDCP PDUs, wherein one PDCP PDU comprises part of the first sensing data. In this way, segmented transmission of the large-volume first sensing data can be realized, and compatibility with a current air interface data transmission method can be achieved, thereby improving the transmission efficiency of sensing data.