NTN communication method and communication apparatus

Abstract

The present application provides an NTN communication method and a communication apparatus. The method comprises: a first device can determine a first pilot configuration, the first pilot configuration corresponding to a first time period, the first time period being a time period during which the first pilot configuration is activated, or the first pilot configuration corresponding to a first position, and the first position being a geographic position at which the first pilot configuration is sent; and performing interference detection on the basis of the first pilot configuration. A satellite is in a moving state, for a receiving end, a pilot for interference measurement changes over time, and the receiving end (the first device) can determine a pilot associated with current time information (the first time period) or associated with sending end position information (the first position), and perform interference measurement on the basis of the pilot, thus avoiding invalid measurement at the receiving end, and saving measurement overhead.

Description

NTN communication method and communication device

[0001] This application claims priority to the Chinese patent application filed with the State Intellectual Property Office of China on December 28, 2023, with application number 202311840591.9 and invention name “AN NTN communication method and communication device”, the entire contents of which are incorporated by reference into this application. Technical Field

[0002] The present application relates to a satellite network, and more particularly, to an NTN communication method and a communication device. Background Art

[0003] Non-terrestrial networks (NTNs), such as satellite communications, have significant advantages such as global coverage, long-distance transmission, flexible networking, easy deployment, and freedom from geographical restrictions. They have been widely used in many fields, including maritime communications, positioning and navigation, disaster relief, scientific experiments, video broadcasting, and earth observation.

[0004] Satellite communication systems involve the coexistence of multiple communication systems, such as inter-satellite communication systems (hereinafter referred to as satellite systems) and satellite-to-cellular network communication systems (hereinafter referred to as satellite-to-ground systems). The implementation of coexistence mechanisms relies on information such as satellite orbits and beam pointing, necessitating the measurement of interference between these systems. In these coexistence scenarios, satellite motion causes dynamic changes in the interfering and interfered ends, potentially leading to redundant measurements or frequent configuration updates.

[0005] Therefore, an interference measurement solution is urgently needed to avoid unnecessary pilot measurement overhead and improve interference measurement efficiency. Summary of the Invention

[0006] The present application provides an NTN communication method, which enables a receiving end to determine a pilot to be measured by associating interference measurement pilot configuration with an activation time or a transmitting end position, thereby reducing pilot measurement overhead and improving interference measurement efficiency.

[0007] In a first aspect, an NTN communication method is provided. The method may be executed by a first device, or may be executed by a chip or circuit configured in the first device, which is not limited in this application.

[0008] The method includes: determining a first pilot configuration, the first pilot configuration corresponds to a first time period, the first time period is a time period for activating the first pilot configuration, or the first pilot configuration corresponds to a first position, the first position is a geographical location where the first pilot configuration is sent; performing interference detection based on the first pilot configuration.

[0009] In this application, the first device serves as a receiving device, and the first device may include a terminal device or an access network device.

[0010] In the present application, the second device serves as a sending device, and the second device may include a satellite or an access network device deployed on a satellite.

[0011] In this application, the first device can be used as a device in a cellular cell in a satellite-to-ground system, and the second device can be used as a device in a satellite cell in a star-to-ground system. The first device and the second device can send and detect pilot signals to each other to determine the interference situation.

[0012] In the NTN scenario, the satellite is in a mobile state. For the receiving end, the interference measurement pilot changes with time. In the embodiment of the present application, the receiving end (first device) can determine the pilot associated with the current time information (first time period) or the associated transmitting end position information (first position), and perform interference measurement based on the pilot, thereby avoiding invalid measurements by the receiving end and saving measurement overhead.

[0013] In combination with the first aspect, in certain implementations of the first aspect, at least one second pilot configuration is received from a second device, each second pilot configuration in the at least one second pilot configuration corresponds to an activation time period, and each second pilot configuration is associated with at least one third device; the first pilot configuration is determined based on the at least one second pilot configuration, and the first pilot configuration is one of the at least one second pilot configuration.

[0014] Based on the above technical solution, the measurement pilot can be bound to the satellite, and the transmitter can configure multiple interference measurement pilot configurations associated with different activation times to the receiver. The receiver determines the pilot with measurement based on the time information, thereby reducing unnecessary measurements, reducing the overhead of invalid measurements, and reducing the overhead of configuration updates.

[0015] In combination with the first aspect, in some implementations of the first aspect, determining the first pilot configuration based on the at least one second pilot configuration includes: determining the first pilot configuration based on an activation time period corresponding to each second pilot configuration.

[0016] In combination with the first aspect, in certain implementations of the first aspect, the first pilot configuration is received from a second device, and the first position corresponding to the first pilot configuration is a geographical location where the second device is located when sending the first pilot configuration.

[0017] Based on this technical solution, the first device can receive the pilot configuration that needs to be measured from the second device, which facilitates the receiving end (the first device) to identify the source of interference.

[0018] In combination with the first aspect, in certain implementations of the first aspect, the first pilot configuration is determined by the second device from at least one third pilot configuration, each third pilot configuration in the at least one third pilot configuration corresponds to a different position of the second device, and each third pilot configuration is associated with at least one third device.

[0019] Based on the above technical solution, the measurement pilot can be bound to the spatial location, enabling the transmitter to use different measurement pilots in different areas and different service directions. The transmitter can configure the interference measurement pilot configuration associated with the current location to the receiver. The receiver performs interference pilot measurement based on the configuration, which makes it easier for the receiver to identify the source of interference, reduces the overhead of invalid measurements, and reduces the overhead of configuration updates.

[0020] In combination with the first aspect, in certain implementations of the first aspect, interference detection is performed based on the first pilot configuration to obtain a first value; when the first value is higher than a first threshold, the identifier of the third device associated with the first pilot configuration is sent to the second device or the core network device, and interference occurs between the third device and the second device.

[0021] Based on this technical solution, the first device can perform interference measurement based on the determined first pilot configuration, and report the interference measurement result to the second device or the core network device.

[0022] In combination with the first aspect, in some implementations of the first aspect, performing interference detection based on the first pilot configuration to obtain a first value includes: performing interference detection based on a first angle range associated with the first pilot configuration.

[0023] Based on this technical solution, different interference measurement pilots are activated using an angle range to adapt to scenarios where the receiving end has strong directionality, reduce unnecessary measurements in a given direction, and facilitate accurate feedback, thereby improving the reuse rate of interference measurement pilots and the efficiency of pilot measurements.

[0024] In combination with the first aspect, in some implementations of the first aspect, the first angle range associated with the first pilot configuration is received, and the first angle range is used to indicate a receiving or sending direction of the pilot corresponding to the first pilot configuration.

[0025] In combination with the first aspect, in certain implementations of the first aspect, the first angle range is the angle range of the zenith angle and the azimuth angle of the local coordinate system of the first device; or, the first angle range is the angle range indicated by the reference direction of the first device and the angular range relative to the reference direction.

[0026] In combination with the first aspect, in some implementations of the first aspect, the first device is an access network device or a terminal device.

[0027] In combination with the first aspect, in some implementations of the first aspect, the second device is a satellite or an access network device on a satellite.

[0028] In a second aspect, an NTN communication method is provided. The method may be executed by a second device, or may be executed by a chip or circuit configured in the second device, which is not limited in this application.

[0029] The method includes: determining at least one second pilot configuration, each second pilot configuration in the at least one second pilot configuration corresponds to an activation time period, and each second pilot configuration is associated with at least one third device; sending the at least one second pilot configuration to a first device, each second pilot configuration in the at least one second pilot configuration is used for the first device to perform interference detection in the corresponding activation time period.

[0030] The description of the first device and the second device can refer to the first aspect and will not be repeated here.

[0031] In the NTN scenario, the satellite is in a mobile state. For the receiving end, the interference measurement pilot changes with time. In the embodiment of the present application, the transmitting end (the second device) can configure multiple interference measurement pilot configurations corresponding to different activation times to the receiving end (the first device), so that the receiving end can determine the pilot to be detected based on the current time information, which is beneficial for the receiving end to perform effective measurement, save measurement overhead, and improve measurement efficiency.

[0032] In combination with the second aspect, in some implementations of the second aspect, an identifier of a third device is received, where the third device is associated with the first pilot configuration, and the first pilot configuration is one of the at least one second pilot configuration.

[0033] In this technical solution, the second device receives the interference measurement result of the first device, which specifically includes the measured identifier of the third device that interferes with the second device.

[0034] In combination with the second aspect, in certain implementations of the second aspect, an angle range associated with each second pilot configuration in the at least one second pilot configuration is sent, and the angle range associated with each second pilot configuration is used to indicate the receiving or sending direction of the pilot corresponding to each second pilot configuration, and the first angle range is the angle range associated with the first pilot configuration.

[0035] In this technical solution, the second device not only configures multiple interference measurement pilot configurations corresponding to different activation times to the first device, but also configures the angle range associated with each pilot configuration, and uses the angle range to activate different interference measurement pilots, adapting to scenarios where the receiving end has strong directionality, reducing unnecessary measurements in a given direction, and facilitating accurate feedback, improving the multiplexing rate of the interference measurement pilots, and improving the efficiency of the pilot measurement.

[0036] In combination with the second aspect, in certain implementations of the second aspect, the angle range is the angle range of the zenith angle and the azimuth angle of the local coordinate system of the first device; or, the angle range is the angle range indicated by the reference direction of the first device and the angular range relative to the reference direction.

[0037] In combination with the second aspect, in some implementations of the second aspect, the first device is an access network device or a terminal device.

[0038] In combination with the second aspect, in some implementations of the second aspect, the second device is a satellite or an access network device on a satellite.

[0039] In a third aspect, an NTN communication method is provided. The method may be executed by a third device, or may be executed by a chip or circuit configured in the third device, which is not limited in this application.

[0040] The method includes: determining a first pilot configuration based on at least one third pilot configuration, each third pilot configuration in the at least one third pilot configuration corresponds to a different position of the second device, each third pilot configuration is associated with at least one third device, and the first pilot configuration is a pilot configuration corresponding to the first position; and sending the first pilot configuration.

[0041] The description of the first device and the second device can refer to the first aspect and will not be repeated here.

[0042] In the NTN scenario, the satellite is in a mobile state. For the receiving end, the interference measurement pilot changes with time. In the embodiment of the present application, the transmitting end (the second device) can send the interference measurement pilot configuration corresponding to the geographical location to the receiving end (the first device). The receiving end performs interference measurement based on the configured pilot, which makes it easier for the receiving end to identify the source of interference, reduces the overhead of invalid measurements, and reduces the overhead of configuration updates.

[0043] In combination with the third aspect, in certain implementations of the third aspect, determining the first pilot configuration based on at least one third pilot configuration includes: determining the first pilot configuration based on different positions corresponding to each third pilot configuration in the at least one third pilot configuration, the first position corresponding to the first pilot configuration being the geographical location where the second device sends the first pilot configuration.

[0044] In this technical solution, the measurement pilot can be bound to the spatial position, enabling the transmitter to send different measurement pilots in different areas and different service directions. The transmitter can configure the interference measurement pilot configuration associated with the current position to the receiver.

[0045] In combination with the third aspect, in certain implementations of the third aspect, an identifier of a third device is received, the third device is associated with the first pilot configuration, and the first pilot configuration is one of the at least one third pilot configuration.

[0046] In this technical solution, the second device receives the interference measurement result of the first device, which specifically includes the measured identifier of the third device that interferes with the second device.

[0047] In combination with the third aspect, in certain implementations of the third aspect, a first angle range associated with the first pilot configuration is sent, and the first angle range is used to indicate a receiving or sending direction of a pilot corresponding to the first pilot configuration.

[0048] In this technical solution, the second device not only configures multiple interference measurement pilot configurations corresponding to different activation times to the first device, but also configures the angle range associated with each pilot configuration, and uses the angle range to activate different interference measurement pilots, adapting to scenarios where the receiving end has strong directionality, reducing unnecessary measurements in a given direction, and facilitating accurate feedback, improving the multiplexing rate of the interference measurement pilots, and improving the efficiency of the pilot measurement.

[0049] In combination with the third aspect, in certain implementations of the third aspect, the first angle range is the angle range of the zenith angle and the azimuth angle indicated by the local coordinate system of the first device; or, the first angle range is the angle range indicated by the reference direction of the first device and the angular range relative to the reference direction.

[0050] In combination with the third aspect, in certain implementations of the third aspect, the first device is an access network device or a terminal device.

[0051] In combination with the third aspect, in certain implementations of the third aspect, the second device is a satellite or an access network device on a satellite.

[0052] In a fourth aspect, an NTN communication device is provided. The device may be a first device, or a chip or circuit configured in the first device, which is not limited in this application.

[0053] The device includes: a processing unit, used to determine a first pilot configuration, the first pilot configuration corresponds to a first time period, the first time period is a time period for activating the first pilot configuration, or the first pilot configuration corresponds to a first position, the first position is a geographical location where the first pilot configuration is sent; the processing unit is also used to perform interference detection based on the first pilot configuration.

[0054] In combination with the fourth aspect, in certain implementations of the fourth aspect, the transceiver unit is used to receive at least one second pilot configuration from a second device, each second pilot configuration in the at least one second pilot configuration corresponds to an activation time period, and each second pilot configuration is associated with at least one third device; the processing unit is also used to determine the first pilot configuration based on the at least one second pilot configuration, and the first pilot configuration is one of the at least one second pilot configuration.

[0055] In combination with the fourth aspect, in certain implementations of the fourth aspect, the processing unit is further used to determine the first pilot configuration according to an activation time period corresponding to each second pilot configuration.

[0056] In combination with the fourth aspect, in certain implementations of the fourth aspect, the transceiver unit is further used to receive the first pilot configuration from a second device, and the first position corresponding to the first pilot configuration is the geographical location where the second device is located when sending the first pilot configuration.

[0057] In combination with the fourth aspect, in certain implementations of the fourth aspect, the first pilot configuration is determined by the second device from at least one third pilot configuration, each third pilot configuration in the at least one third pilot configuration corresponds to a different position of the second device, and each third pilot configuration is associated with at least one third device.

[0058] In combination with the fourth aspect, in certain implementations of the fourth aspect, the processing unit is further used to perform interference detection based on the first pilot configuration to obtain a first value; when the first value is higher than a first threshold, the transceiver unit is further used to send the identifier of the third device associated with the first pilot configuration to the second device or the core network device, and interference occurs between the third device and the second device.

[0059] In combination with the fourth aspect, in certain implementations of the fourth aspect, the processing unit is further used to perform interference detection based on a first angle range associated with the first pilot configuration.

[0060] In combination with the fourth aspect, in certain implementations of the fourth aspect, the transceiver unit is further used to receive the first angle range associated with the first pilot configuration, and the first angle range is used to indicate the receiving or sending direction of the pilot corresponding to the first pilot configuration.

[0061] In combination with the fourth aspect, in certain implementations of the fourth aspect, the first angle range is the angle range of the zenith angle and the azimuth angle of the local coordinate system of the first device; or, the first angle range is the angle range indicated by the reference direction of the first device and the angular range relative to the reference direction.

[0062] In combination with the fourth aspect, in certain implementations of the fourth aspect, the first device is an access network device or a terminal device.

[0063] In combination with the fourth aspect, in certain implementations of the fourth aspect, the second device is a satellite or an access network device on a satellite.

[0064] In a fifth aspect, an NTN communication device is provided. The device may be a second device, or a chip or circuit configured in the second device, which is not limited in this application.

[0065] The device includes: a processing unit, used to determine at least one second pilot configuration, each second pilot configuration in the at least one second pilot configuration corresponds to an activation time period, and each second pilot configuration is associated with at least one third device; a transceiver unit, used to send the at least one second pilot configuration to a first device, each second pilot configuration in the at least one second pilot configuration is used for the first device to perform interference detection in the corresponding activation time period.

[0066] In combination with the fifth aspect, in certain implementations of the fifth aspect, the transceiver unit is further used to receive an identifier of a third device, where the third device is associated with the first pilot configuration, and the first pilot configuration is one of the at least one second pilot configuration.

[0067] In combination with the fifth aspect, in certain implementations of the fifth aspect, the transceiver unit is also used to send the angle range associated with each second pilot configuration in the at least one second pilot configuration, and the angle range associated with each second pilot configuration is used to indicate the receiving or sending direction of the pilot corresponding to each second pilot configuration, and the first angle range is the angle range associated with the first pilot configuration.

[0068] In combination with the fifth aspect, in certain implementations of the fifth aspect, the angle range is the angle range of the zenith angle and the azimuth angle of the local coordinate system of the first device; or, the angle range is the angle range indicated by the reference direction of the first device and the angular range relative to the reference direction.

[0069] In combination with the fifth aspect, in certain implementations of the fifth aspect, the first device is an access network device or a terminal device.

[0070] In combination with the fifth aspect, in certain implementations of the fifth aspect, the second device is a satellite or an access network device on a satellite.

[0071] In a sixth aspect, an NTN communication device is provided. The device may be a third device, or a chip or circuit configured in a third device, which is not limited in this application.

[0072] The device includes: a processing unit, used to determine a first pilot configuration based on at least one third pilot configuration, each third pilot configuration in the at least one third pilot configuration corresponds to a different position of the second device, each third pilot configuration is associated with at least one third device, and the first pilot configuration is a pilot configuration corresponding to the first position; a transceiver unit, used to send the first pilot configuration.

[0073] In combination with the sixth aspect, in certain implementations of the sixth aspect, the processing unit is also used to determine the first pilot configuration based on the different positions corresponding to each third pilot configuration in the at least one third pilot configuration, and the first position corresponding to the first pilot configuration is the geographical location where the second device sends the first pilot configuration.

[0074] In combination with the sixth aspect, in certain implementations of the sixth aspect, the transceiver unit is further used to receive an identifier of a third device, where the third device is associated with the first pilot configuration, and the first pilot configuration is one of the at least one third pilot configuration.

[0075] In combination with the sixth aspect, in certain implementations of the sixth aspect, the transceiver unit is further used to send a first angle range associated with the first pilot configuration, and the first angle range is used to indicate the receiving or sending direction of the pilot corresponding to the first pilot configuration.

[0076] In combination with the sixth aspect, in certain implementations of the sixth aspect, the first angle range is the angle range of the zenith angle and the azimuth angle indicated by the local coordinate system of the first device; or, the first angle range is the angle range indicated by the reference direction of the first device and the angular range relative to the reference direction.

[0077] In combination with the sixth aspect, in certain implementations of the sixth aspect, the first device is an access network device or a terminal device.

[0078] In combination with the sixth aspect, in certain implementations of the sixth aspect, the second device is a satellite or an access network device on a satellite.

[0079] In a seventh aspect, a communication device is provided, the device being configured to execute the method provided in any of the first to third aspects. Specifically, the communication device may include units and / or modules, such as a processing unit and / or a communication unit, configured to execute the method provided in any of the above-mentioned implementations of any of the first to third aspects.

[0080] In one implementation, the communication device includes a communication unit and a processing unit. The communication unit may be a transceiver or an input / output interface; the processing unit may be at least one processor. Alternatively, the transceiver may be a transceiver circuit. Alternatively, the input / output interface may be an input / output circuit.

[0081] In another implementation, the communication device is a chip, chip system, or circuit in a network device. When the communication device is a chip, chip system, or circuit in a network device, the communication unit may be an input / output interface, interface circuit, output circuit, input circuit, pin, or related circuit on the chip, chip system, or circuit; and the processing unit may be at least one processor, processing circuit, or logic circuit.

[0082] In an eighth aspect, a communication device is provided, comprising a processor and, optionally, a memory, wherein the processor is used to control a transceiver to send and receive signals, the memory is used to store a computer program, and the processor is used to call and run the computer program from the memory, so that the sending device executes a method in any possible implementation of any aspect from the first to the third aspect above.

[0083] Optionally, there are one or more processors and one or more memories.

[0084] Optionally, the memory may be integrated with the processor, or the memory may be provided separately from the processor.

[0085] Optionally, the network device further includes a transceiver, which may specifically be a transmitter (transmitter) and a receiver (receiver).

[0086] In the ninth aspect, a computer-readable storage medium is provided, which stores a computer program or code. When the computer program or code is run on a computer, the computer executes the method in any possible implementation of any aspect from the first to the third aspect.

[0087] In the tenth aspect, a chip is provided, comprising at least one processor, the at least one processor being coupled to a memory, the memory being used to store a computer program, the processor being used to call and run the computer program from the memory, so that a sending device equipped with the chip system executes a method in any possible implementation of any of the above-mentioned first to third aspects.

[0088] The chip may include an input circuit or interface for sending information or data, and an output circuit or interface for receiving information or data.

[0089] In the eleventh aspect, a computer program product is provided, which includes: computer program code, which, when the computer program code is executed by a sending device, executes the method in any possible implementation of any aspect from the first to the third aspect above.

[0090] The beneficial effects of the fourth to eleventh aspects can refer to the beneficial effects of the first to third aspects and will not be repeated here. BRIEF DESCRIPTION OF THE DRAWINGS

[0091] FIG1 is a schematic diagram of an architecture 100 of a communication system applicable to an embodiment of the present application.

[0092] FIG2 is a schematic diagram of an architecture 200 of a communication system applicable to an embodiment of the present application.

[0093] FIG3 is a schematic diagram of an architecture 300 of a communication system applicable to an embodiment of the present application.

[0094] FIG4 is a schematic diagram of an architecture 400 of a communication system applicable to an embodiment of the present application.

[0095] FIG5 is a schematic diagram of an architecture 500 of a communication system applicable to an embodiment of the present application.

[0096] FIG6 is a schematic diagram of a communication system coexistence scenario applicable to an embodiment of the present application.

[0097] FIG7 is a schematic flowchart of an NTN communication method 700 applicable to an embodiment of the present application.

[0098] FIG8 is a schematic flowchart of an NTN communication method 800 applicable to an embodiment of the present application.

[0099] FIG9 is a schematic flowchart of an NTN communication method 900 applicable to an embodiment of the present application.

[0100] FIG10 is a structural block diagram of a communication device applicable to an embodiment of the present application.

[0101] FIG11 is a structural block diagram of a communication device applicable to an embodiment of the present application. DETAILED DESCRIPTION

[0102] The technical solution in this application will be described below with reference to the accompanying drawings.

[0103] The technical solutions provided in this application can be applied to various communication systems, such as: fifth generation (5G) or new radio (NR) systems, long term evolution (LTE) systems, LTE frequency division duplex (FDD) systems, LTE time division duplex (TDD) systems, etc. The technical solutions provided in this application can also be applied to future communication systems. The technical solutions provided in this application can also be applied to device to device (D2D) communication, vehicle-to-everything (V2X) communication, machine to machine (M2M) communication, machine type communication (MTC), and Internet of Things (IoT) communication systems or other communication systems.

[0104] The following will be combined with the drawings in the embodiments of this application to clearly and completely describe the technical solutions in the embodiments of this application. Obviously, the embodiments described are part of the embodiments of this application, not all of them. Based on the embodiments in this application, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of this application.

[0105] First, a communication system applicable to this application is briefly introduced as follows.

[0106] Figure 1 is a schematic diagram of the architecture 100 of a communication system applicable to an embodiment of the present application. As shown in Figure 1, a terrestrial mobile terminal (UE) accesses the network via the 5G new air interface. The 5G access network equipment is deployed on a satellite and connected to the terrestrial core network via a wireless link. At the same time, a wireless link exists between the satellites to complete the signaling interaction and user data transmission between the access network equipment. The various network elements in Figure 1 and their interfaces are described as follows:

[0107] Terminal device: A mobile device that supports the 5G new air interface, typically a mobile phone, tablet, or other mobile device. It can access the satellite network through the air interface and initiate calls, access the Internet, and other services.

[0108] 5G access network equipment: mainly provides wireless access services, dispatches wireless resources to access terminals, and provides reliable wireless transmission protocols and data encryption protocols, such as base stations.

[0109] 5G core network: This network provides services such as user access control, mobility management, session management, user security authentication, and billing. It consists of multiple functional units, divided into control plane and data plane functional entities. The access and mobility management function (AMF) is responsible for user access management, security authentication, and mobility management. The user plane function (UPF) manages user plane data transmission, traffic statistics, and other functions.

[0110] Ground station: responsible for forwarding signaling and business data between satellite access network equipment and 5G core network.

[0111] 5G New Air Interface: The wireless link between the terminal and access network equipment.

[0112] Xn interface: The interface between 5G access network devices, mainly used for signaling interaction such as switching.

[0113] NG interface: The interface between 5G access network equipment and 5G core network, mainly used for interacting with core network high-layer signaling (non access stratum, NAS) and other signaling, as well as user service data.

[0114] In non-terrestrial networks (NTNs), various NTN-RAN architectures are defined. The following provides examples of RAN architectures applicable to NTNs.

[0115] Figure 2 is a schematic diagram of an architecture 200 of a communication system applicable to an embodiment of the present application. The architecture shown in Figure 2 is called transparent satellite RAN architecture (RAN architecture with transparent satellite). As shown in Figure 2, in the transparent transmission scenario, the role of the satellite is to achieve frequency conversion and wireless frequency amplification, which is equivalent to an analog RF repeater. Therefore, the satellite copies the NR Uu wireless interface signal from the feeder link (between the NTN gateway and the satellite) to the service link (between the satellite and the UE), and vice versa. The satellite radio interface (SRI) on the feeder link transmits the NR-Uu interface signal, that is, the satellite does not terminate the NR Uu interface signal, but copies the signal. The NTN gateway supports all necessary functions for forwarding the NR-Uu interface signal. Different transmission satellites can be connected to the same ground gNB.

[0116] Figure 3 is a schematic diagram of another architecture 300 of a communication system applicable to an embodiment of the present application. The architecture shown in Figure 3 is called regenerative satellite without ISL (inter-satellite link). In this architecture, the satellite acts as a base station to regenerate signals received from the ground, that is, the service link between the UE and the satellite transmits the NR-Uu wireless interface signal, and the feeder link between the NTN gateway and the satellite transmits the satellite radio interface (SRI) signal. The SRI interface is a transmission link between the NTN gateway and the satellite. The NG interface signal is transmitted to the NTN gateway through the SRI interface, and then forwarded by the NTN gateway to the core network device on the ground. The process of transmitting the NG interface signal from the ground core network device to the satellite base station is similar and will not be repeated here.

[0117] Figure 4 is a schematic diagram of another architecture 400 of a communication system applicable to an embodiment of the present application. The architecture shown in Figure 4 is called a regenerative satellite with an intersatellite link (ISL). In this scenario, the satellite also acts as a base station. The difference from the previous scenario is that an ISL exists in this scenario. The ISL is an inter-satellite transmission link. As shown in the above figure, a UE served by an onboard base station can access the 5G core network through the ISL. Base stations on different satellites can be connected to the same terrestrial 5G core network.

[0118] Figure 5 is a schematic diagram of another architecture 500 of a communication system applicable to an embodiment of the present application. The architecture shown in Figure 5 is named NG-RAN with a regenerative satellite based on gNB-DU. In this scenario, the CU and DU of the base station are separated. The satellite is on board as the DU of the base station. The satellite regenerates the signal received from the ground, that is, the service link between the UE and the satellite transmits the NR-Uu radio interface signal, and the feeder link between the NTN gateway and the satellite transmits the satellite radio interface (SRI) signal. The satellite radio interface is a transmission link that can transmit the logical interface F1 signal of the 3GPP standard. On the satellite radio interface, the F1 protocol signal is transmitted. The satellite can provide inter-satellite links (ISLs) between satellites. The NTN gateway is a transmission network layer node and supports all necessary transmission protocols. DUs on different satellites can be connected to the same ground CU.

[0119] It should be noted that the above RAN architecture is only an example and may also be used in other NTN architectures, or 4G, 5G, and future wireless network architectures. The embodiments of this application are not limited to this.

[0120] Currently, we've noticed that satellite equipment is constrained by manufacturing and launch costs, limiting onboard data processing capabilities and transmission power. Currently, satellite communication networks cannot provide users with communication speeds comparable to terrestrial networks. To overcome these limitations and improve the overall signal processing capabilities and communication throughput of satellite networks, satellite operators are preparing to launch large-scale low-Earth orbit constellations. This involves increasing the number of satellites to compensate for the limited communication capabilities of a single satellite. In future NTN communication systems, after a user connects to the system, it will be "visible" to multiple communicative satellites for a period of time. In this scenario, multiple satellites can provide communication services to the user, laying the foundation for multi-satellite coordinated transmission.

[0121] In the multi-satellite collaborative transmission scenario, multiple communication systems coexist. For example, there are coexistence technologies of inter-satellite communication systems (hereinafter referred to as star systems) and satellite and cellular network communication systems (hereinafter referred to as satellite-to-ground systems). That is, two or more systems use the same spectrum under the premise that interference is acceptable.

[0122] Referring to Figure 6, as an example, a schematic diagram of a communication system coexistence scenario is shown. As shown in Figure 6, a satellite cell of a star system can communicate with a satellite, and a cellular cell of a satellite-to-ground system can also communicate with the satellite.

[0123] For example, in order to achieve coexistence of two communication systems, a spatial isolation approach may be adopted.

[0124] Specifically, multiple low-frequency band systems are spatially isolated through "electronic fences." Different systems use (part of) the same frequency band during deployment, maintaining sufficient geographic separation to achieve limited co-frequency coexistence. As shown in Figure 6, satellite cells and cellular cells can be located far enough apart that the signal strength of the cellular ground equipment is sufficiently low after passing through the "electronic fence" to the ground equipment of the satellite system, thus not causing a significant impact. The reverse is also true. At the same time, after the cellular device signal reaches the satellite of the satellite system, it undergoes signal attenuation and enters the satellite's sidelobes, so the received signal strength is also sufficiently low to not cause a significant impact. The reverse is also true.

[0125] For example, in order to achieve coexistence of two communication systems, an angle isolation method may also be used.

[0126] Specifically, high-frequency transmission and reception generate highly directional beams, allowing multiple systems to coexist in the same location and frequency by creating narrow beams with angular separation. For example, the transmit and receive beams of a cellular system are oriented toward the "lower right" and "upper left," while those of a satellite system are oriented toward the "lower left" and "upper right." Because the beams of the two systems are sufficiently angularly separated, their beam signals only enter each other's sidelobes. Therefore, the received interference signal strength is sufficiently low to have no significant impact.

[0127] The aforementioned planned coexistence mechanism assumes full knowledge of satellite orbits, beam pointing, antenna patterns, and other information. Based on this knowledge, the satellite's serviceable area, angular range, and orbital range are designed. However, this poses a risk of failure during actual operation. Specifically, the actual system requires some flexibility. For example, after satellite launch, the antenna pattern may undergo uncontrollable changes due to hardware status changes, resulting in actual interference inconsistent with the plan and requiring adjustment. Pre-planned solutions may need to be adjusted in practice due to redundancy or residual interference. This planning and adjustment process requires detection of interference emitted by the satellite.

[0128] In cellular networks, the presence of interference can be determined by detecting the remote interference management reference signal (RIM-RS) transmitted by the transmitter at the receiving end. For example, two base stations with potential interference risk transmit an agreed-upon RIM-RS signal. The RIM-RS time-frequency code configuration is associated with a Set ID. Each Set ID labels one or more nearby base stations (BSs) (RIM-RS <-> Set ID <-> BS). The receiving base station detects the agreed-upon RIM-RS signal. If the detected energy exceeds a threshold, it indicates that interference exists between the receiving base station and the base station associated with the Set ID associated with the RIM-RS signal.

[0129] In the scenario where satellite-ground systems and satellite-star systems coexist, satellite movement causes the disturbing end and the disturbed end to change dynamically, leading to problems such as redundant measurements or frequent configuration updates.

[0130] In view of this, an embodiment of the present application provides a communication solution that associates interference measurement pilot configuration with different trigger conditions, enabling a receiving end to select a measurement pilot based on different trigger conditions, thereby reducing pilot measurement overhead and improving interference measurement efficiency.

[0131] The communication method provided by the embodiment of the present application will be described in detail below with reference to the accompanying drawings. The embodiment provided by the present application can be applied to the communication system shown in Figures 1 to 5 above, without limitation.

[0132] The solution of this application is described in detail below.

[0133] Figure 7 is a schematic flowchart of an NTN communication method provided in an embodiment of the present application. For ease of description, method 700 is described below using a first device (receiving end) as an example. It is understood that the first device may be a component of the first device (e.g., a chip or circuit), without limitation.

[0134] In an embodiment of the present application, the first device serves as a receiving device. The first device may include a terminal device or an access network device, which is not limited in the present application.

[0135] In an embodiment of the present application, the second device serves as a sending device, and the second device may include a satellite or an access network device deployed on a satellite.

[0136] In the embodiment of the present application, the core network device may be an operation and management module (OAM).

[0137] In this application, the first device can be used as a device in a cellular cell in a satellite-to-ground system, and the second device can be used as a device in a satellite cell in a star-to-ground system. The first device and the second device can send and detect pilot signals to each other to determine the interference situation.

[0138] The method 700 shown in FIG. 7 may include the following steps.

[0139] S710: A first device determines a first pilot configuration.

[0140] In the present application, the first pilot configuration includes video code resources for interference detection, and interference measurement can be performed based on the first pilot configuration.

[0141] In one implementation, the first pilot configuration corresponds to a first time period.

[0142] The first time period is the time period in which the first device activates the first pilot configuration. In other words, the first time period is the time period in which the first device performs interference detection based on the first pilot configuration, which can also be said to be the effective time period of the first pilot configuration.

[0143] It can be understood that in the NTN scenario, the satellite is in a mobile state. For the first device, the satellite serving the terminal will also change with time, and the interference measurement pilot will change accordingly. That is, at different times, the first device needs to detect different pilots.

[0144] In the present application, the first pilot configuration is associated with the activation time (first time period), and interference measurement is performed at the corresponding activation time.

[0145] In the present application, the first pilot configuration corresponds to the first time period, or it can be said that the first pilot configuration is associated with the first time period, or the first pilot configuration has a corresponding relationship or an associated relationship with the first time period, which can be used to describe activating the first pilot configuration or performing interference detection in the first time period. Such descriptions can be equivalently replaced, and the embodiments of the present application are not limited to this.

[0146] It can be understood that the time period is only one type of description of time information and can actually be replaced by similar descriptions. For example, the first pilot configuration corresponds to the first activation time, which is the start time of interference detection, and the detection duration can be preconfigured or defaulted to a fixed duration; for another example, the first pilot configuration corresponds to the first activation time and the first deactivation time, which is used to specify the measurement cutoff time. Such descriptions are all equivalent replacements and are not limited to the comparison in the embodiments of the present application. In the embodiments of the present application, the time period is used as an example for description.

[0147] The following describes in detail how to determine the first pilot configuration associated with the first time period.

[0148] In a possible implementation, the first device receives at least one second pilot configuration from the second device, and determines the first pilot configuration according to the at least one second pilot configuration.

[0149] Correspondingly, the second device sends the at least one second pilot configuration to the first device.

[0150] The first pilot configuration is one of the at least one second pilot configuration.

[0151] Each of the at least one second pilot configuration corresponds to an activation time period, and each second pilot configuration is associated with at least one third device.

[0152] In the present application, the second pilot configuration includes time-frequency code resources for interference detection, and interference measurement can be performed in different time periods based on the second pilot configuration corresponding to different activation time periods.

[0153] In the present application, each second pilot configuration is associated with one or more third devices.

[0154] The third device may include at least one device, and the third device may be a satellite or an access network device on a satellite.

[0155] It is understandable that if a satellite changes, the pilot configuration may also change, and different pilot configurations are associated with different satellites.

[0156] It is understandable that in the NTN scenario, at different times, the first device needs to detect different pilot signals, and different pilot signals are associated with different satellites.

[0157] In an optional understanding, the second device may send multiple pilot configurations (second pilot configurations) corresponding to different activation times to the first device, and the first device determines the pilot configuration to be detected (first pilot configuration) according to the time information.

[0158] The first device determines the second pilot configuration corresponding to the current time period according to an activation time period corresponding to each second pilot configuration, and the second pilot configuration is the first pilot configuration.

[0159] In the embodiment of the present application, the second device may obtain the at least one second pilot configuration through OAM.

[0160] It can be understood that the measurement pilot can be bound to the satellite, and the transmitting end can configure multiple interference measurement pilot configurations associated with different activation times to the receiving end. The receiving end determines the pilot with measurement based on the time information, thereby reducing unnecessary measurements, reducing the overhead of invalid measurements, and reducing the overhead of configuration updates.

[0161] In another implementation, the first pilot configuration corresponds to the first position.

[0162] The first location is the geographic location where the second device sends the first pilot configuration. In other words, when the second device enters the first location, the second device sends the first pilot configuration. Alternatively, the first location is the activation location or effective location of the first pilot configuration.

[0163] It can be understood that in the NTN scenario, the satellite is in a mobile state. For the satellite, when it moves to different geographical locations, the interference measurement pilot sent will also be different. That is to say, for the same satellite, the pilot is sent at different geographical locations, and the first device needs to detect different pilots.

[0164] In the present application, the first pilot configuration is associated with a location (first location) where the pilot is sent, and the first pilot configuration is sent at a corresponding geographical location.

[0165] In the present application, the first pilot configuration corresponds to the first position, or it can be said that the first pilot configuration is associated with the first position, or the first pilot configuration has a corresponding relationship or an associated relationship with the first position, which can all describe sending an interference measurement pilot at the first position. Such descriptions can be equivalently replaced, and the embodiments of the present application are not limited to this.

[0166] It is understood that the first position is only one type of description of location information and can actually be replaced with similar descriptions. For example, the first pilot configuration corresponds to the first spatial location; another example, the first pilot configuration corresponds to the first geographical location; another example, the first pilot configuration corresponds to the first area. Such descriptions are equivalent replacements and are not limited to the comparison in the embodiments of this application. In the embodiments of this application, the first position is used as an example for description.

[0167] The following describes in detail how to determine the first pilot configuration associated with the first position.

[0168] In a possible implementation, the first device receives a first pilot configuration from the second device.

[0169] Correspondingly, the second device sends the first pilot configuration to the first device.

[0170] The second device obtains at least one third pilot configuration through OAM.

[0171] Each of the at least one third pilot configuration corresponds to a different location of the second device, and each third pilot configuration is associated with at least one third device.

[0172] In the present application, the third pilot configuration includes time-frequency code resources for interference detection, and interference measurement can be performed based on the third pilot configuration corresponding to different geographical locations.

[0173] In the present application, each third pilot configuration is associated with one or more third devices.

[0174] The third device may include at least one device, and the third device may be a satellite or an access network device on a satellite.

[0175] It can be understood that if the satellite position changes, the pilot configuration may also change, and different pilot configurations are associated with different satellites.

[0176] It can be understood that in the NTN scenario, the satellite is in motion. At different times, the spatial position of the satellite is different, the interference measurement pilot sent is different, the pilots that the first device needs to detect are different, and different pilots are associated with different satellites.

[0177] In an optional understanding, the second device obtains multiple pilot configurations corresponding to different positions (third pilot configuration) through OAM, and the second device determines the pilot configuration to be detected (first pilot configuration) according to the current position.

[0178] The second device determines the third pilot configuration corresponding to the current location according to a location corresponding to each third pilot configuration, and the third pilot configuration is the first pilot configuration.

[0179] In a possible implementation, the second device may further send a first angle range associated with the first pilot configuration to the first device.

[0180] The first angle range is used to indicate a receiving or sending direction of a pilot corresponding to the first pilot configuration.

[0181] It can be understood that the first angle range may be an angle region for sending or receiving pilot signals. Receiving pilot signals based on the angle region may reduce the number of pilot signals to be detected and increase the multiplexing rate of the pilot signals.

[0182] Exemplarily, the first angle range is the angle range of the zenith angle and the azimuth angle of the local coordinate system of the first device, wherein the zenith angle of 0° points to the direction of the line connecting the center of the earth and the terminal position or a reference position away from the center of the earth, and the azimuth angle of 0° points from the terminal position or a reference position to the North Pole.

[0183] Exemplarily, the first angle range is an angle range indicated by a reference direction (zenith angle and azimuth angle) of the first device and an opening angle range relative to the reference direction.

[0184] Exemplarily, the first angle range is the position of the satellite and the angular range with respect to the reference direction, and the terminal calculates the reference direction using its own position and the satellite position.

[0185] It can be understood that the measurement pilot can be bound to the spatial position, enabling the transmitter to use different measurement pilots in different areas and different service directions. The transmitter can configure the interference measurement pilot configuration associated with the current position to the receiver. The receiver performs interference pilot measurement based on the configuration, which makes it easier for the receiver to identify the source of interference, reduce the overhead of invalid measurements, and reduce the overhead of configuration updates.

[0186] In the present application, when the first pilot configuration corresponds to the first time period, the second device may send the angle range corresponding to each second pilot configuration in at least one second pilot configuration to the first device. Accordingly, the first device may determine the corresponding second pilot configuration (first pilot configuration) and the corresponding angle range (first angle range) based on the time information, and perform interference pilot measurement based on the angle range at the corresponding time.

[0187] In an embodiment of the present application, the second pilot configuration, the time period corresponding to the second pilot configuration, and the angle range can be sent through the same configuration information or through different information, and the embodiment of the present application does not limit this.

[0188] In the present application, when the first pilot configuration corresponds to the first position, the second device may send the first angle range corresponding to the first pilot configuration to the first device.

[0189] In an embodiment of the present application, the third pilot configuration, the position information corresponding to the third pilot configuration, and the angle range can be sent through the same configuration information or through different information, and the embodiment of the present application is not limited to this.

[0190] S720: Perform interference detection based on the first pilot configuration.

[0191] The first device performs interference detection based on the first pilot configuration to obtain a first value. When the first value is higher than a first threshold, the first device may send an identifier of a third device associated with the first pilot configuration to the second device or OAM to indicate that interference occurs between the third device and the second device.

[0192] It can be understood that when the first device is a terminal device, the first device sends the identifier of the third device associated with the first pilot configuration to the second device.

[0193] In a possible implementation, the first device may perform interference measurement based on a first angle range associated with the first pilot configuration.

[0194] It can be understood that using the angle range to activate different interference measurement pilots can adapt to scenarios where the receiving end has strong directionality, reduce unnecessary measurements in a given direction, and facilitate accurate feedback, improve the multiplexing rate of the interference measurement pilots, and improve the efficiency of the pilot measurement.

[0195] In the NTN scenario, the satellite is in a mobile state. For the receiving end, the interference measurement pilot changes with time. In the embodiment of the present application, the receiving end (first device) can determine the pilot associated with the current time information (first time period) or the associated transmitting end position information (first position), and perform interference measurement based on the pilot, thereby avoiding invalid measurements by the receiving end and saving measurement overhead.

[0196] Next, different implementation modes are described in detail.

[0197] First, the scheme of binding pilot configuration and activation time is described.

[0198] Figure 8 is a schematic flow chart of a communication method provided in an embodiment of the present application. For ease of description, method 800 is exemplified below using the interaction between a first access network device and a second access network device as an example. It is understood that the first access network device may be a component (e.g., a chip or circuit) of the first access network device, and the second access network device may be a component (e.g., a chip or circuit) of the second access network device, without limitation.

[0199] The first access network device may be an access network device of a satellite system, and the second access network device may be an access network device of a cellular system.

[0200] In this application, the first access network device is taken as an example of a transmitting end, and the second access network device is taken as an example of a receiving end.

[0201] In this application, the core network device takes OAM as an example, and OAM serves as the operation and maintenance module.

[0202] The method 800 shown in FIG. 8 may include the following steps.

[0203] S810. OAM sends first configuration information to the first access network device.

[0204] The first configuration information includes the pilot resources associated with the first access network device and the corresponding activation time period.

[0205] The pilot resource of the first access network device is used to indicate the time-frequency code resource of the interference detection pilot of the first access network device.

[0206] The activation time period corresponding to the pilot resource of the first access network device is used to indicate the time period for the receiving end (the second access network device) to measure the interference detection pilot.

[0207] The first configuration information also includes at least one pilot configuration and an activation time period corresponding to each pilot configuration.

[0208] It can be understood that as time changes, the satellite moves, the position of the satellite changes, the satellite serving the terminal changes, and accordingly, the corresponding interference measurement pilot will also change.

[0209] Therefore, it can be understood that in different time periods, the receiving end (second access network device) performs interference measurement based on different interference measurement pilots.

[0210] Each pilot configuration in the at least one pilot configuration includes a time-frequency code resource of an interference measurement pilot and an identifier of an associated third device.

[0211] The third device may be a satellite adjacent to the current serving satellite or an access network device on a satellite.

[0212] The third device may include one or more devices, which is not limited in this embodiment of the present application.

[0213] Exemplarily, the following Table 1 shows the association between pilot configuration and activation time period.

[0214] Table 1

[0215] As shown in Table 1 above, pilot configuration #1 is associated with satellite #1, and the corresponding activation time period is t0~t1; pilot configuration #2 is associated with satellite #2, and the corresponding activation time period is t1~t2; pilot configuration #3 is associated with satellite #3, and the corresponding activation time period is t2~t3.

[0216] It should be understood that the interference measurement pilots corresponding to different satellites may be the same. In other words, one pilot configuration may be associated with multiple satellites, which is not limited in this embodiment of the present application.

[0217] The above table is only an example and does not limit the embodiments of the present application.

[0218] Optionally, the first configuration information further includes an angle range corresponding to each pilot configuration in at least one pilot configuration, where the angle range is used to indicate a receiving or sending direction of a pilot corresponding to the pilot configuration.

[0219] S820. The first access network device sends second configuration information to the second access network device.

[0220] The second configuration information includes pilot resources associated with the first access network device and a corresponding activation time period, at least one pilot configuration and a corresponding activation time period.

[0221] Specifically, the first access network device sends multiple pilot configurations and corresponding activation time periods to the second access network device.

[0222] Optionally, the second configuration information may further include multiple pilot configurations and corresponding angle ranges.

[0223] S830: The second access network device performs interference measurement based on the second configuration information.

[0224] The second access device can determine the pilot signal that needs to be detected based on the time information (activation time period) in the second configuration information. In other words, the second access device determines which activation time period it is in based on the current time information, thereby determining the corresponding pilot signal configuration.

[0225] In an optional understanding, the second access network device may determine the current serving satellite and the corresponding interference measurement pilot according to the time information.

[0226] The second access network device performs interference detection on the pilot signal that needs to be detected. When the measured energy is higher than the first threshold, it can be determined that the second access network device and the third device associated with the measured pilot signal interfere with each other.

[0227] Optionally, the second access network device may determine an angle range corresponding to a pilot signal to be detected, and perform interference detection based on the angle range, thereby reducing the number of pilot signals to be detected and increasing a multiplexing rate of the pilot signals.

[0228] S840: The second access network device sends the measurement result to the first access network device or the OAM.

[0229] The second access network device reports the measurement result to the first access network device or the OAM.

[0230] Specifically, the second access network device reports identification information of a third device to the first access network device or the OAM, where the third device is a device that interferes with the second access network device.

[0231] Optionally, the OAM sends the angle area information corresponding to the detected pilot to the first access network device.

[0232] An optional understanding is that the angle area information includes the sending angle of the detected pilot, and the sending angle is used to indicate the sending direction information of the pilot. Accordingly, for the terminal device, the receiving angle of the pilot can be determined based on the angle area information, that is, the terminal device can determine in which direction to receive the pilot.

[0233] It can be understood that in the above steps, the receiving end takes the second access network device as an example, and the receiving end can also be a terminal device. The terminal device determines the pilot to be detected based on the pilot configuration sent by the first access network device, and can send the measurement results to the first access network device after detection.

[0234] Based on this technical solution, measurement pilots can be bound to satellites. The transmitter can configure multiple interference measurement pilot configurations with different activation times for the receiver. The receiver then determines the pilot to be measured based on the time information, thereby reducing unnecessary measurements, lowering the overhead of invalid measurements, and reducing configuration update overhead. Furthermore, different interference measurement pilots can be activated using an angle range to accommodate scenarios with strong directionality at the receiver, reducing unnecessary measurements in a given direction. This also facilitates accurate feedback, improves the reuse rate of interference measurement pilots, and enhances pilot measurement efficiency.

[0235] Next, a solution for binding pilot configuration to geographic location is described.

[0236] Figure 9 is a schematic flow chart of a communication method provided in an embodiment of the present application. For ease of description, method 900 is exemplified below using the interaction between a first access network device and a second access network device as an example. It is understood that the first access network device may be a component (e.g., a chip or circuit) of the first access network device, and the second access network device may be a component (e.g., a chip or circuit) of the second access network device, without limitation.

[0237] The first access network device may be an access network device of a satellite system, and the second access network device may be an access network device of a cellular system.

[0238] In this application, the first access network device is taken as an example of a transmitting end, and the second access network device is taken as an example of a receiving end.

[0239] In this application, the core network device takes OAM as an example, and OAM serves as the operation and maintenance module.

[0240] The method 900 shown in FIG. 9 may include the following steps.

[0241] S910. The OAM sends third configuration information to the first access network device.

[0242] The third configuration information includes at least one pilot configuration associated with the first access network device at different geographical locations.

[0243] Among them, at least one pilot configuration associated with the first access network device at different geographical locations is used to indicate the time-frequency code resources of the interference detection pilot sent by the first access network device at different locations.

[0244] It can be understood that the first access network device enters different geographical locations at different times and sends different pilot signals, so the geographical location, time information and sent pilot signals of the first access network device have a corresponding relationship.

[0245] It can be understood that as time changes, the satellite moves and the position of the satellite changes, and the satellite sends different pilot signals at different positions.

[0246] Therefore, it can be understood that in different time periods, or in other words, based on different locations of the transmitting end, the receiving end (the second access network device) performs interference measurement based on different interference measurement pilots.

[0247] Each pilot configuration in the at least one pilot configuration includes a time-frequency code resource of an interference measurement pilot and an identifier of an associated third device.

[0248] The third device may be a satellite adjacent to the current serving satellite or an access network device on a satellite.

[0249] The third device may include one or more devices, which is not limited in this embodiment of the present application.

[0250] For example, the following Table 2 shows the association between the pilot configuration and the geographical location of the originating point.

[0251] Table 2

[0252] As shown in Table 2 above, pilot configuration #1 is associated with satellite #1 and corresponds to position #1; pilot configuration #2 is associated with satellite #2 and corresponds to position #2; and pilot configuration #3 is associated with satellite #3 and corresponds to position #3. In other words, different pilot configurations are sent at different transmitting locations.

[0253] It should be understood that the interference measurement pilots corresponding to different satellites may be the same. In other words, one pilot configuration may be associated with multiple satellites, which is not limited in this embodiment of the present application.

[0254] The above table is only an example and does not limit the embodiments of the present application.

[0255] S920: The first access network device sends fourth configuration information to the second access network device.

[0256] The fourth configuration information includes a pilot configuration associated with the current geographical location of the first access network device.

[0257] Specifically, the first access network device determines a pilot configuration associated with the current geographical location from multiple pilot configurations.

[0258] Optionally, the fourth configuration information may further include an angle range corresponding to the pilot configuration associated with the current geographical location.

[0259] S930: The second access network device performs interference measurement based on the fourth configuration information.

[0260] The second access network device performs interference measurement based on the pilot signal configured by the first access network device.

[0261] The second access network device performs interference detection on the configured pilot signal. When the measured energy is higher than a first threshold, it can be determined that the first access network device and the third device associated with the measured pilot signal interfere with each other.

[0262] Optionally, the second access network device may perform interference detection based on an angle range, thereby reducing the number of pilot signals to be detected and increasing the multiplexing rate of the pilot signals.

[0263] S940: The second access network device sends the measurement result to the first access network device.

[0264] The second access network device reports the measurement result to the first access network device or the OAM.

[0265] Specifically, the second access network device reports identification information of a third device to the first access network device or the OAM, where the third device is a device that interferes with the first access network device.

[0266] Optionally, the OAM sends the angle area information corresponding to the detected pilot to the first access network device.

[0267] An optional understanding is that the angle area information includes the sending angle of the detected pilot, and the sending angle is used to indicate the sending direction information of the pilot. Accordingly, for the terminal device, the receiving angle of the pilot can be determined based on the angle area information, that is, the terminal device can determine in which direction to receive the pilot.

[0268] It can be understood that in the above steps, the receiving end takes the second access network device as an example, and the receiving end can also be a terminal device. The terminal device performs interference detection based on the pilot configuration sent by the first access network device, and can send the measurement results to the first access network device after detection.

[0269] Based on the above technical solution, measurement pilots can be bound to spatial locations, enabling the transmitter to send different measurement pilots in different areas and service directions. The transmitter can then configure the receiver with an interference measurement pilot configuration associated with the current location. The receiver then performs interference pilot measurements based on the configuration, making it easier for the receiver to identify the source of interference, reducing the overhead of invalid measurements and configuration updates. Furthermore, different interference measurement pilots can be activated using an angle range to adapt to scenarios with strong directionality at the receiver, reducing unnecessary measurements in a given direction. This also facilitates accurate feedback, improves the reuse rate of interference measurement pilots, and enhances the efficiency of pilot measurements.

[0270] It should be understood that other possible implementations of the embodiments of the present application are similar to the above-mentioned methods 800 and 900. Please refer to the descriptions in methods 800 and 900, and no further details will be given here.

[0271] It should be understood that the size of the serial numbers of the above processes does not mean the order of execution. The execution order of each process should be determined by its function and internal logic, and should not constitute any limitation on the implementation process of the embodiments of the present application.

[0272] The above mainly introduces the solution provided by the embodiment of the present application from the perspective of the interaction between various network elements. It can be understood that each network element, such as a transmitting end device or a receiving end device, includes a hardware structure and / or software module corresponding to the execution of each function in order to implement the above functions. Those skilled in the art should be aware that, in combination with the units and algorithm steps of each example described in the embodiments disclosed herein, the present application can be implemented in the form of hardware or a combination of hardware and computer software. Whether a function is executed in a hardware or computer software driven hardware manner depends on the specific application and design constraints of the technical solution. Professional and technical personnel can use different methods to implement the described functions for each specific application, but such implementation should not be considered to be beyond the scope of this application.

[0273] In the embodiment of the present application, the functional modules of the transmitting device or the receiving device can be divided according to the above method example. For example, each functional module can be divided according to each function, or two or more functions can be integrated into one processing module. The above integrated modules can be implemented in the form of hardware or in the form of software functional modules. It should be noted that the division of modules in the embodiment of the present application is schematic and is only a logical functional division. There may be other division methods in actual implementation. The following is an example of dividing each functional module according to each function.

[0274] The method provided in the embodiment of the present application is described in detail above in conjunction with Figures 7 to 9. Below, the apparatus provided in the embodiment of the present application is described in detail in conjunction with Figures 10 and 11. It should be understood that the description of the apparatus embodiment corresponds to the description of the method embodiment. Therefore, for matters not described in detail, please refer to the method embodiment above. For the sake of brevity, it will not be repeated here.

[0275] FIG10 is a schematic structural diagram of a communication device provided in an embodiment of the present application.

[0276] The device 1000 includes a transceiver unit 1010 and a processing unit 1020 , wherein the transceiver unit 1010 can be used to implement corresponding communication functions, and the processing unit 1020 can be used to perform data processing.

[0277] Optionally, the transceiver unit 1010 may also be referred to as a communication interface or communication unit, and may include a transmitting unit and / or a receiving unit. The transceiver unit 1010 may be a transceiver (including a transmitter and / or a receiver), an input / output interface (including an input and / or output interface), a pin, or a circuit. The transceiver unit 1010 may be configured to perform the transmitting and / or receiving steps in the above-described method embodiments.

[0278] Optionally, the processing unit 1020 may be a processor (may include one or more), a processing circuit with processor functions, etc., and may be used to execute other steps except sending and receiving in the above method embodiment.

[0279] Optionally, the apparatus 1000 further includes a storage unit, which may be a memory, an internal storage unit (e.g., a register, a cache, etc.), an external storage unit (e.g., a read-only memory, a random access memory, etc.), etc. The storage unit is used to store instructions, and the processing unit 1020 executes the instructions stored in the storage unit to enable the communication apparatus to perform the above method.

[0280] In one design, the apparatus 1000 can be used to perform the actions performed by the first device in each of the above method embodiments, for example, the apparatus 1000 can be used to perform the actions performed by the first device in the above method 700. In this case, the apparatus 1000 can be a component of the first device, the transceiver unit 1010 is used to perform the transceiver-related operations on the first device side in the above method embodiments, and the processing unit 1020 is used to perform the processing-related operations of the first device in the above method embodiments.

[0281] For example, the processing unit 1020 is used to determine a first pilot configuration, where the first pilot configuration corresponds to a first time period, and the first time period is a time period for activating the first pilot configuration; or, the first pilot configuration corresponds to a first position, and the first position is a geographical location where the first pilot configuration is sent; the processing unit 1020 is also used to perform interference detection based on the first pilot configuration.

[0282] For another example, the transceiver unit 1010 is used to receive at least one second pilot configuration from a second device, each second pilot configuration in the at least one second pilot configuration corresponds to an activation time period, and each second pilot configuration is associated with at least one third device; the processing unit 1020 is used to determine the first pilot configuration based on the at least one second pilot configuration, and the first pilot configuration is one of the at least one second pilot configuration.

[0283] For another example, the processing unit 1020 is further configured to determine the first pilot configuration according to an activation time period corresponding to each second pilot configuration.

[0284] For another example, the transceiver unit 1010 is further configured to receive the first pilot configuration from a second device, and the first position corresponding to the first pilot configuration is the geographical location where the second device is located when sending the first pilot configuration.

[0285] For another example, the processing unit 1020 is also used to perform interference detection based on the first pilot configuration to obtain a first value; when the first value is higher than a first threshold, the transceiver unit 1010 is also used to send the identifier of the third device associated with the first pilot configuration to the second device or the core network device, and interference occurs between the third device and the second device.

[0286] For another example, the processing unit 1020 is further configured to perform interference detection based on a first angle range associated with the first pilot configuration.

[0287] It should be understood that the transceiver unit 1010 and the processing unit 1020 may also perform other operations performed by the first device in the above method 700, which will not be described in detail here.

[0288] In one design, the apparatus 1000 can be used to perform the actions performed by the second device in each of the above method embodiments, for example, the apparatus 1000 can be used to perform the actions performed by the second device in the above method 700. In this case, the apparatus 1000 can be a component of the second device, the transceiver unit 1010 is used to perform the transceiver-related operations on the second device side in the above method embodiments, and the processing unit 1020 is used to perform the processing-related operations on the second device side in the above method embodiments.

[0289] For example, the processing unit 1020 is used to determine at least one second pilot configuration, each second pilot configuration in the at least one second pilot configuration corresponds to an activation time period, and each second pilot configuration is associated with at least one third device; the transceiver unit 1010 is used to send the at least one second pilot configuration to the first device, and each second pilot configuration in the at least one second pilot configuration is used for the first device to perform interference detection in the corresponding activation time period.

[0290] For another example, the transceiver unit 1010 is further configured to receive an identifier of a third device, where the third device is associated with the first pilot configuration, and the first pilot configuration is one of the at least one second pilot configuration.

[0291] For another example, the transceiver unit 1010 is also used to send the angle range associated with each second pilot configuration in the at least one second pilot configuration, and the angle range associated with each second pilot configuration is used to indicate the receiving or sending direction of the pilot corresponding to each second pilot configuration, and the first angle range is the angle range associated with the first pilot configuration.

[0292] It should be understood that the transceiver unit 1010 and the processing unit 1020 may also perform other operations performed by the second device in the above method 700, which will not be described in detail here.

[0293] In one design, the apparatus 1000 can be used to perform the actions performed by the second device in each of the above method embodiments, for example, the apparatus 1000 can be used to perform the actions performed by the second device in the above method 700. In this case, the apparatus 1000 can be a component of the second device, the transceiver unit 1010 is used to perform the transceiver-related operations on the second device side in the above method embodiments, and the processing unit 1020 is used to perform the processing-related operations on the second device side in the above method embodiments.

[0294] For example, the processing unit 1020 is used to determine the first pilot configuration based on at least one third pilot configuration, each third pilot configuration in the at least one third pilot configuration corresponds to a different position of the second device, each third pilot configuration is associated with at least one third device, and the first pilot configuration is a pilot configuration corresponding to the first position; and send the first pilot configuration.

[0295] For example, the processing unit 1020 is also used to determine the first pilot configuration based on at least one third pilot configuration, including: determining the first pilot configuration based on the different positions corresponding to each third pilot configuration in the at least one third pilot configuration, the first position corresponding to the first pilot configuration being the geographical location where the second device sends the first pilot configuration.

[0296] For another example, the transceiver unit 1010 is further configured to receive an identifier of a third device, where the third device is associated with the first pilot configuration, and the first pilot configuration is one of the at least one second pilot configuration.

[0297] For another example, the transceiver unit 1010 is further configured to send a first angle range associated with the first pilot configuration, where the first angle range is used to indicate a receiving or sending direction of a pilot corresponding to the first pilot configuration.

[0298] It should be understood that the transceiver unit 1010 and the processing unit 1020 may also perform other operations performed by the second device in the above method 700, which will not be described in detail here.

[0299] It should also be understood that the device 1000 here is embodied in the form of a functional unit. The term "unit" here can refer to an application specific integrated circuit (ASIC), an electronic circuit, a processor (such as a shared processor, a dedicated processor or a group processor, etc.) and a memory for executing one or more software or firmware programs, a combined logic circuit and / or other suitable components that support the described functions. In an optional example, those skilled in the art will understand that the device 1000 can be specifically a network device in the above-mentioned embodiment, and can be used to execute the various processes and / or steps corresponding to the network device in the above-mentioned method embodiments. To avoid repetition, they will not be described here.

[0300] The apparatus 1000 of each of the above-mentioned solutions has the function of implementing the corresponding steps performed by the device in the above-mentioned method, or the apparatus 1000 of each of the above-mentioned solutions has the function of implementing the corresponding steps performed by the network device in the above-mentioned method. The functions can be implemented by hardware, or the corresponding software can be implemented by hardware. The hardware or software includes one or more modules corresponding to the above-mentioned functions; for example, the transceiver unit can be replaced by a transceiver (for example, the sending unit in the transceiver unit can be replaced by a transmitter, and the receiving unit in the transceiver unit can be replaced by a receiver), and other units, such as the processing unit, can be replaced by a processor to respectively perform the sending and receiving operations and related processing operations in each method embodiment.

[0301] In addition, the transceiver unit 1010 may also be a transceiver circuit (for example, may include a receiving circuit and a sending circuit), and the processing unit may be a processing circuit.

[0302] It should be noted that the apparatus in FIG10 may be a network element or device in the aforementioned embodiment, or may be a chip or chip system, such as a system on chip (SoC). The transceiver unit may be an input / output circuit or a communication interface; the processing unit may be a processor, microprocessor, or integrated circuit integrated on the chip. This is not limited here.

[0303] Figure 11 is a schematic diagram of a communication architecture provided by an embodiment of the present application. The communication device 1100 shown in Figure 11 includes: a processor 1110 and a transceiver 1120. Optionally, the processor 1110 and the transceiver 1120 may be interconnected via a bus 1130. The communication device 1100 may be a terminal device or a network device.

[0304] Optionally, the communication device 1100 may further include a memory 1140. The memory 1140 includes, but is not limited to, random access memory (RAM), read-only memory (ROM), erasable programmable read-only memory (EPROM), or compact disc read-only memory (CD-ROM), and is used to store relevant instructions and data.

[0305] The processor 1110 is coupled to the memory 1140 and is configured to execute instructions stored in the memory 1140 to control the transceiver 1120 to send signals and / or receive signals.

[0306] It should be understood that the processor 1110 and memory 1140 can be combined into a single processing device, with the processor 1110 configured to execute program code stored in the memory 1140 to implement the aforementioned functions. In a specific implementation, the memory 1140 can also be integrated into the processor 1110 or independent of the processor 1110. It should be understood that the processor 1110 can also correspond to the various processing units in the aforementioned communication device, and the transceiver 1120 can correspond to the various receiving units and transmitting units in the aforementioned communication device.

[0307] It should also be understood that the transceiver 1120 may include a receiver (or receiver) and a transmitter (or transmitter). The transceiver may further include an antenna, and the number of antennas may be one or more. The transceiver may also be a communication interface or interface circuit.

[0308] Specifically, the communication device 1100 may correspond to the first device in the method 700 according to an embodiment of the present application. The communication device 1100 may include the units of the method performed by the first device in the method 700. It should be understood that the specific process of each unit performing the above-mentioned corresponding steps has been described in detail in the above-mentioned method embodiment and will not be repeated here for the sake of brevity.

[0309] Specifically, the communication device 1100 may correspond to the second device in the method 700 according to an embodiment of the present application. The communication device 1100 may include the units of the method performed by the second device in the method 700. It should be understood that the specific process of each unit performing the above-mentioned corresponding steps has been described in detail in the above-mentioned method embodiment and will not be repeated here for the sake of brevity.

[0310] When the communication device 1100 is a chip, the chip includes an interface unit and a processing unit, wherein the interface unit may be an input / output circuit or a communication interface; and the processing unit may be a processor, microprocessor, or integrated circuit integrated on the chip.

[0311] During implementation, each step of the above method can be completed by an integrated logic circuit of the hardware in the processor or by instructions in the form of software. The steps of the method disclosed in conjunction with the embodiments of the present application can be directly embodied as being executed by a hardware processor, or can be executed by a combination of hardware and software modules in the processor. The software module can be located in a storage medium mature in the art such as a random access memory, a flash memory, a read-only memory, a programmable read-only memory or an electrically erasable programmable memory, a register, etc. The storage medium is located in the memory, and the processor reads the information in the memory and completes the steps of the above method in conjunction with its hardware. To avoid repetition, it will not be described in detail here.

[0312] It should be noted that the processor in the embodiments of the present application can be an integrated circuit chip with signal processing capabilities. During implementation, each step of the above method embodiment can be completed by an integrated logic circuit of the hardware in the processor or by instructions in the form of software. The above processor can be a general-purpose processor, a digital signal processor (DSP), an application-specific integrated circuit (ASIC), a field-programmable gate array (FPGA) or other programmable logic device, a discrete gate or transistor logic device, or a discrete hardware component. The various methods, steps, and logic block diagrams disclosed in the embodiments of the present application can be implemented or executed. The general-purpose processor can be a microprocessor or the processor can also be any conventional processor. The steps of the method disclosed in the embodiments of the present application can be directly embodied as being executed by a hardware decoding processor, or can be executed by a combination of hardware and software modules in the decoding processor. The software module can be located in a storage medium mature in the art, such as random access memory, flash memory, read-only memory, programmable read-only memory, or electrically erasable programmable memory, registers, etc. The storage medium is located in the memory, and the processor reads the information in the memory and completes the steps of the above method in combination with its hardware.

[0313] The present application also provides a computer-readable medium having a computer program stored thereon, which implements the functions of any of the above method embodiments when executed by a computer.

[0314] The present application also provides a computer program product, which implements the functions of any of the above method embodiments when executed by a computer.

[0315] In the above embodiments, all or part of the embodiments may be implemented by software, hardware, firmware, or any combination thereof. When implemented using software, all or part of the embodiments may be implemented in the form of a computer program product. The computer program product includes one or more computer instructions. When the computer instructions are loaded and executed on a computer, all or part of the processes or functions described in the embodiments of the present application are generated. The computer may be a general-purpose computer, a special-purpose computer, a computer network, or other programmable device. The computer instructions may be stored in a computer-readable storage medium or transmitted from one computer-readable storage medium to another computer-readable storage medium. For example, the computer instructions may be transmitted from one website, computer, server, or data center to another website, computer, server, or data center via a wired (e.g., coaxial cable, optical fiber, digital subscriber line (DSL)) or wireless (e.g., infrared, wireless, microwave, etc.) method. The computer-readable storage medium may be any available medium that a computer can access or a data storage device such as a server or data center that includes one or more available media integrated therein. The available medium may be a magnetic medium (eg, a floppy disk, a hard disk, a magnetic tape), an optical medium (eg, a high-density digital video disc (DVD)), or a semiconductor medium (eg, a solid state disk (SSD)).

[0316] In the embodiments of this application, words such as "exemplary" and "for example" are used to indicate examples, illustrations, or descriptions. Any embodiment or design described in this application as "exemplary" should not be construed as preferred or advantageous over other embodiments or designs. Rather, the use of the word "exemplary" is intended to present concepts in a concrete way.

[0317] It should be understood that references to "embodiments" throughout this specification mean that a particular feature, structure, or characteristic associated with the embodiment is included in at least one embodiment of the present application. Therefore, various embodiments throughout this specification do not necessarily refer to the same embodiment. Furthermore, these particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.

[0318] It should be understood that in the various embodiments of the present application, the size of the sequence number of each process does not mean the order of execution, and the execution order of each process should be determined by its function and internal logic, and should not constitute any limitation on the implementation process of the embodiment of the present application. The names of all nodes and messages in this application are merely names set by this application for the convenience of description. The names in the actual network may be different. It should not be understood that this application limits the names of various nodes and messages. On the contrary, any name with the same or similar function as the node or message used in this application is regarded as the method or equivalent replacement of this application, and is within the scope of protection of this application.

[0319] It should also be understood that in this application, "when", "if" and "if" all mean that the UE or base station will take corresponding measures under certain objective circumstances. It does not limit the time, and does not require the UE or base station to take judgment actions when implementing it, nor does it mean that there are other limitations.

[0320] Additionally, the terms "system" and "network" are often used interchangeably. The term "and / or" is simply used to describe an association between related objects, indicating that three possible relationships exist. For example, "A and / or B" can mean: A exists alone, A and B exist simultaneously, or B exists alone.

[0321] As used herein, the term "at least one of" or "at least one of" refers to all or any combination of the listed items. For example, "at least one of A, B, and C" can mean: A alone, B alone, C alone, A and B together, B and C together, and A, B, and C together. As used herein, "at least one" means one or more. "A plurality" means two or more.

[0322] It should be understood that in each embodiment of the present application, the terms "include", "comprise", "have" and their variations all mean "including but not limited to", unless otherwise specifically emphasized.

[0323] It should be understood that in various embodiments of the present application, the first, second, and various numerical numbers are merely distinctions for ease of description and are not intended to limit the scope of the embodiments of the present application.

[0324] Those skilled in the art will appreciate that the units and algorithm steps of each example described in conjunction with the embodiments disclosed herein can be implemented in electronic hardware, or a combination of computer software and electronic hardware. Whether these functions are performed in hardware or software depends on the specific application and design constraints of the technical solution. Professional and technical personnel can use different methods to implement the described functions for each specific application, but such implementation should not be considered beyond the scope of this application.

[0325] Those skilled in the art will clearly understand that, for the convenience and brevity of description, the specific working processes of the systems, devices and units described above can refer to the corresponding processes in the aforementioned method embodiments and will not be repeated here.

[0326] In the several embodiments provided in this application, it should be understood that the disclosed systems, devices and methods can be implemented in other ways. For example, the device embodiments described above are merely schematic. For example, the division of the units is merely a logical function division. In actual implementation, there may be other division methods, such as multiple units or components can be combined or integrated into another system, or some features can be ignored or not executed. Another point is that the mutual coupling or direct coupling or communication connection shown or discussed can be through some interfaces, indirect coupling or communication connection of devices or units, which can be electrical, mechanical or other forms.

[0327] The units described as separate components may or may not be physically separate, and the components shown as units may or may not be physical units, that is, they may be located in one place or distributed across multiple network units. Some or all of these units may be selected to achieve the purpose of this embodiment according to actual needs.

[0328] In addition, each functional unit in each embodiment of the present application may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit.

[0329] If the functions are implemented in the form of software functional units and sold or used as independent products, they can be stored in a computer-readable storage medium. Based on this understanding, the technical solution of the present application, or the part that contributes to the prior art, or the part of the technical solution, can be embodied in the form of a software product. The computer software product is stored in a storage medium and includes several instructions for enabling a computer device (which can be a personal computer, a server, or a network device, etc.) to execute all or part of the steps of the method described in each embodiment of the present application. The aforementioned storage medium includes various media that can store program codes, such as a USB flash drive, a mobile hard disk, a read-only memory (ROM), a random access memory (RAM), a magnetic disk, or an optical disk.

[0330] The above description is merely a specific embodiment of the present application, but the scope of protection of the present application is not limited thereto. Any changes or substitutions that can be easily conceived by a person skilled in the art within the technical scope disclosed in this application should be included in the scope of protection of this application. Therefore, the scope of protection of this application should be based on the scope of protection of the claims.

Claims

1. An NTN communication method, characterized in that, Applied to a first device, including: Determine a first pilot configuration, where the first pilot configuration corresponds to a first time period, and the first time period is the time period for activating the first pilot configuration, or the first pilot configuration corresponds to a first location, and the first location is the geographical location where the first pilot configuration is sent; Perform interference detection based on the first pilot configuration.

2. The method according to claim 1, wherein The determining the first pilot configuration includes: Receive at least one second pilot configuration from a second device, where each second pilot configuration in the at least one second pilot configuration corresponds to an activation time period, and each second pilot configuration is associated with at least one third device; Determine the first pilot configuration according to the at least one second pilot configuration, and the first pilot configuration is one of the at least one second pilot configurations.

3. The method according to claim 2, wherein The determining the first pilot configuration according to the at least one second pilot configuration includes: Determine the first pilot configuration according to an activation time period corresponding to each second pilot configuration.

4. The method according to claim 1, characterized in that, The determining the first pilot configuration includes: Receive the first pilot configuration from the second device, and the first location corresponding to the first pilot configuration is the geographical location where the second device is located when sending the first pilot configuration.

5. The method according to claim 4, wherein The first pilot configuration is determined by the second device from at least one third pilot configuration, and each third pilot configuration in the at least one third pilot configuration corresponds to a different location where the second device is located, and each third pilot configuration is associated with at least one third device.

6. The method according to any one of claims 1-5, characterized in that, The method further includes: Perform interference detection based on the first pilot configuration to obtain a first value; When the first value is higher than a first threshold, send an identifier of the third device associated with the first pilot configuration to the second device or a core network device, where interference occurs between the third device and the second device.

7. The method according to claim 6, characterized in that, The performing interference detection based on the first pilot configuration to obtain a first value includes: Perform interference detection based on a first angle range associated with the first pilot configuration.

8. The method according to claim 7, wherein The method further includes: Receive the first angle range associated with the first pilot configuration, and the first angle range is used to indicate the receiving or transmitting direction of the pilot corresponding to the first pilot configuration.

9. The method according to claim 7 or 8, characterized in that The first angle range is the angle range of the zenith angle and azimuth angle in the local coordinate system of the first device; or the first angle range is the angle range indicated by a reference direction of the first device and an included angle range with respect to the reference direction.

10. The method according to any one of claims 1-9, characterized in that, The first device is an access network device or a terminal device.

11. The method according to any one of claims 1-9, characterized in that, The second device is a satellite or an access network device on the satellite.

12. An NTN communication method, characterized in that, Applied to a second device, including: Determine at least one second pilot configuration, where each second pilot configuration in the at least one second pilot configuration corresponds to an activation time period, and each second pilot configuration is associated with at least one third device; Send the at least one second pilot configuration to the first device, and each second pilot configuration in the at least one second pilot configuration is used for the first device to perform interference detection during the corresponding activation time period.

13. The method according to claim 12, wherein The method further includes: Receive the identifier of a third device, where the third device is associated with a first pilot configuration, and the first pilot configuration is one of the at least one second pilot configurations.

14. The method according to claim 12 or 13, characterized in that, The method further includes: Transmit the angular range associated with each second pilot configuration among the at least one second pilot configurations, where the angular range associated with each second pilot configuration is used to indicate the reception or transmission direction of the pilot corresponding to each second pilot configuration, and the first angular range is the angular range associated with the first pilot configuration.

15. The method according to claim 14, wherein The angular range is the angular range of the zenith angle and azimuth angle in the local coordinate system of the first device; alternatively, the angular range is the angular range indicated by the reference direction of the first device and the angular range of the opening angle with respect to the reference direction.

16. The method according to any one of claims 12 - 15, characterized in that, The first device is an access network device or a terminal device.

17. The method according to any one of claims 12 - 15, characterized in that The second device is a satellite or an access network device on the satellite.

18. An NTN communication method, characterized in that, Applied to a third device, it includes: Determine a first pilot configuration according to at least one third pilot configuration, where each third pilot configuration among the at least one third pilot configurations corresponds to a different position where the second device is located, each third pilot configuration is associated with at least one third device, and the first pilot configuration is the pilot configuration corresponding to the first position. Transmit the first pilot configuration.

19. The method according to claim 18, characterized in that, The determining the first pilot configuration according to at least one third pilot configuration includes: Determine the first pilot configuration according to the different positions corresponding to each third pilot configuration among the at least one third pilot configurations, and the first position corresponding to the first pilot configuration is the geographical location where the second device transmits the first pilot configuration.

20. The method according to claim 18 or 19, characterized in that, The method further includes: Receive the identifier of a third device, where the third device is associated with the first pilot configuration, and the first pilot configuration is one of the at least one third pilot configurations.

21. The method according to any one of claims 18 - 20, characterized in that The method further includes: Transmit the first angular range associated with the first pilot configuration, where the first angular range is used to indicate the reception or transmission direction of the pilot corresponding to the first pilot configuration.

22. The method according to claim 21, wherein The first angular range is the angular range of the zenith angle and azimuth angle in the local coordinate system of the first device; alternatively, the first angular range is the angular range indicated by the reference direction of the first device and the angular range of the opening angle with respect to the reference direction.

23. The method according to any one of claims 18-22, characterized in that, The first device is an access network device or a terminal device.

24. The method according to any one of claims 18-22, characterized in that, The second device is a satellite or an access network device on the satellite.

25. An NTN communication device, characterized in that, It includes: A processing unit for determining a first pilot configuration, where the first pilot configuration corresponds to a first time period, and the first time period is the time period when the first pilot configuration is activated, or the first pilot configuration corresponds to a first position, and the first position is the geographical location where the first pilot configuration is transmitted; the processing unit is further used to perform interference detection based on the first pilot configuration.

26. The NTN communication device according to claim 25, wherein The communication device further includes: a transceiver unit, configured to receive at least one second pilot configuration from a second device, each second pilot configuration in the at least one second pilot configuration corresponding to an activation time period, and each second pilot configuration being associated with at least one third device; the processing unit is further configured to determine the first pilot configuration according to the at least one second pilot configuration, and the first pilot configuration is one of the at least one second pilot configurations.

27. The NTN communication device according to claim 26, wherein, The processing unit is further configured to determine the first pilot configuration according to an activation time period corresponding to each second pilot configuration.

28. The NTN communication device according to claim 26, characterized in that, The transceiver unit is further configured to receive the first pilot configuration from the second device, and the first location corresponding to the first pilot configuration is the geographical location where the second device sends the first pilot configuration.

29. The NTN communication device according to claim 28, wherein, The first pilot configuration is determined by the second device from at least one third pilot configuration, each third pilot configuration in the at least one third pilot configuration corresponding to a different location where the second device is located, and each third pilot configuration being associated with at least one third device.

30. The NTN communication device according to any one of claims 25-29, characterized in that, The processing unit is further configured to perform interference detection based on the first pilot configuration to obtain a first value; when the first value is higher than a first threshold, the transceiver unit is further configured to send an identifier of the third device associated with the first pilot configuration to the second device or a core network device, and interference occurs between the third device and the second device.

31. The NTN communication device according to claim 30, wherein, The processing unit is further configured to perform interference detection based on a first angle range associated with the first pilot configuration.

32. The NTN communication device according to claim 31, characterized in that, The transceiver unit is further configured to receive the first angle range associated with the first pilot configuration, and the first angle range is used to indicate a reception or transmission direction of a pilot corresponding to the first pilot configuration.

33. The NTN communication device according to claim 31 or 32, characterized in that, The first angle range is an angle range of the zenith angle and azimuth angle of the local coordinate system of the first device; or, the first angle range is an angle range indicated by a reference direction of the first device and an angular range with respect to the reference direction.

34. The NTN communication device according to any one of claims 25-33, characterized in that, The first device is an access network device or a terminal device.

35. The NTN communication device according to any one of claims 25-33, characterized in that, The second device is a satellite or an access network device on the satellite.

36. An NTN communication device, characterized in that, Comprising: a processing unit, configured to determine at least one second pilot configuration, each second pilot configuration in the at least one second pilot configuration corresponding to an activation time period, and each second pilot configuration being associated with at least one third device; a transceiver unit, configured to send the at least one second pilot configuration to a first device, and each second pilot configuration in the at least one second pilot configuration is used for the first device to perform interference detection in a corresponding activation time period.

37. The NTN communication device according to claim 36, characterized in that, The transceiver unit is further configured to receive an identifier of a third device associated with the first pilot configuration, and the first pilot configuration is one of the at least one second pilot configurations.

38. The NTN communication device according to claim 36 or 37, characterized in that, The transceiver unit is further configured to send the angular range associated with each of the at least one second pilot configuration, and the angular range associated with each second pilot configuration is used to indicate the receiving or transmitting direction of the pilot corresponding to each second pilot configuration. The first angular range is the angular range associated with the first pilot configuration.

39. The NTN communication device according to claim 38, wherein, The angular range is the angular range of the zenith angle and azimuth angle in the local coordinate system of the first device; or, the angular range is the angular range indicated by the reference direction of the first device and the angular range of the included angle with respect to the reference direction.

40. The NTN communication device according to any one of claims 36-39, characterized in that, The first device is an access network device or a terminal device.

41. The NTN communication device according to any one of claims 36-39, characterized in that, The second device is a satellite or an access network device on the satellite.

42. An NTN communication device, characterized in that, Comprising: A processing unit, configured to determine a first pilot configuration according to at least one third pilot configuration, where each third pilot configuration in the at least one third pilot configuration corresponds to a different position where the second device is located, each third pilot configuration is associated with at least one third device, and the first pilot configuration is the pilot configuration corresponding to the first position; a transceiver unit, configured to send the first pilot configuration.

43. The NTN communication device according to claim 42, characterized in that, The processing unit is further configured to determine the first pilot configuration according to the different positions corresponding to each third pilot configuration in the at least one third pilot configuration, and the first position corresponding to the first pilot configuration is the geographical location where the second device sends the first pilot configuration.

44. The NTN communication device according to claim 42 or 43, characterized in that, The transceiver unit is further configured to receive the identifier of the third device, and the third device is associated with the first pilot configuration, and the first pilot configuration is one of the at least one third pilot configurations.

45. The NTN communication device according to any one of claims 42-44, characterized in that, The transceiver unit is further configured to send the first angular range associated with the first pilot configuration, and the first angular range is used to indicate the receiving or transmitting direction of the pilot corresponding to the first pilot configuration.

46. The NTN communication device according to claim 45, wherein, The first angular range is the angular range of the zenith angle and azimuth angle indicated by the local coordinate system of the first device; or, the first angular range is the angular range indicated by the reference direction of the first device and the angular range of the included angle with respect to the reference direction.

47. The NTN communication device according to any one of claims 42-46, characterized in that, The first device is an access network device or a terminal device.

48. The NTN communication device according to any one of claims 42-46, characterized in that, The second device is a satellite or an access network device on the satellite.

49. A communication device, characterized in that, Comprising a unit for performing the method according to any one of claims 1-11 or 12-17 or 18-24.

50. A communication device, characterized in that, Comprising a processor, the processor is coupled with a memory, the memory is used to store computer programs or instructions, and the processor is used to execute the computer programs or instructions in the memory, so that the device executes the method according to any one of claims 1 to 11, or executes the method according to any one of claims 12 to 17, or executes the method according to any one of claims 18 to 24.

51. A computer-readable storage medium, characterized in that, A computer program or instruction is stored on the computer-readable storage medium, and when the computer program or instruction runs on the computer, the computer is caused to execute the method according to any one of claims 1 to 11, or execute the method according to any one of claims 12 to 17, or execute the method according to any one of claims 18 to 24.

52. A chip system, characterized in that, Comprising: A processor for calling and running a computer program from a memory, such that a communication device installed with the chip system executes the method according to any one of claims 1 to 11, or executes the method according to any one of claims 12 to 17, or executes the method according to any one of claims 18 to 24.

53. A computer program product, characterized in that, When the computer program product runs on a computer, the computer is caused to execute the steps of the method according to any one of claims 1 to 11, or execute the steps of the method according to any one of claims 12 to 17, or execute the steps of the method according to any one of claims 18 to 24.

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