A communication method and apparatus

Abstract

This application relates to the field of communication technology, and more particularly to a communication method and apparatus for improving the service quality of a satellite performing a service. The method includes: a management node sending first information to a control node, the first information including the location, frequency band, and interference calculation information of at least one access network device associated with the management node; the management node receiving a control policy from the control node, the control policy being determined by the control node based on the first information sent by at least one management node, including the management node, and the satellite's frequency band and the interference zone where the satellite performs a first service, the control policy being used to instruct reduction of interference from the at least one access network device associated with the management node to the satellite; and the management node controlling the at least one access network device associated with the management node according to the control policy.

Description

Technical Field

[0001] This application relates to the field of communication technology, and in particular to a communication method and apparatus. Background Technology

[0002] With the development of communication technology, satellite applications are becoming increasingly widespread. For example, in satellite detection applications, remote sensing satellites transmit microwave signals to the ground and receive microwave signals reflected within their beam range. The received microwave signals are then processed to obtain remote sensing images. Satellite-to-ground spectrum sharing refers to a scenario where satellites and ground access network equipment (such as ground base stations) use the same frequency band, or where the frequency bands they use overlap. By allowing ground access network equipment to use the same or overlapping frequency bands as the satellite, the frequency band range of the ground access network equipment can be extended, effectively improving its communication performance.

[0003] However, as Figure 1 The provided diagram illustrates the interference of terrestrial access network equipment to satellite receivers. Because terrestrial access network equipment (such as terrestrial base stations) is deployed on the ground, there may be situations where the terrestrial access network equipment is also transmitting signals when the satellite is transmitting signals. The signals transmitted by the terrestrial access network equipment may interfere with the satellite's receiver, causing the satellite to be unable to collect reflected signals normally, thereby affecting the service quality when the satellite is performing its services. Summary of the Invention

[0004] This application provides a communication method and apparatus to improve the service quality when a satellite is performing services.

[0005] In a first aspect, embodiments of this application provide a communication method. This method can be executed by a management node, by a component of the management node (e.g., a processor, chip, or chip system), or by a logic module or software capable of implementing all or part of the management node's functions. Taking the management node executing this method as an example, the method includes: the management node sending first information to a control node, the first information including the location, frequency band, and interference calculation information of at least one access network device associated with the management node; the management node receiving a control policy from the control node, the control policy being determined by the control node based on the first information sent by at least one management node, including the management node, and the frequency band of the satellite and the interference zone where the satellite performs a first service, the control policy being used to instruct the reduction of interference from at least one access network device associated with the management node to the satellite; and the management node controlling at least one access network device associated with the management node according to the control policy. Optionally, the management node is located in the core network, and the control node is located outside the core network.

[0006] In the above method, the management node, as a core network element, can collect information such as the location and frequency band of access network devices, and can send the collected information to the control node outside the core network. The control node outside the core network can interact with satellites or satellite control centers. The control node can calculate the interference value of the access network devices associated with the management node to the satellite based on the satellite's frequency band and the interference zone where the satellite performs the first service. Based on the interference value of the access network devices associated with the management node to the satellite, the control node can send control policies to the management node. The management node can then perform specific control on the access network devices according to the control policies, thereby ensuring the service quality when the satellite performs the first service.

[0007] In one possible design, the first information further includes a virtual identifier of at least one access network device associated with the management node; the control policy further includes virtual identifiers of one or more first access network devices associated with the management node, wherein the first access network devices are access network devices whose frequency bands intersect with the satellite and are located within the interference zone where the satellite performs the first service. Optionally, the control policy also includes interference values ​​of one or more first access network devices to the satellite.

[0008] The above design, by carrying virtual identifiers of access network devices in the information exchanged between management nodes and control nodes, can prevent access network device information from leaking outside the core network. Furthermore, by carrying virtual identifiers of access network devices that intersect with the satellite's frequency band and are located within the interference zone where the satellite performs its first service in the control policy, it can prevent management nodes from controlling access network devices that are not related to the satellite's first service (such as access network devices that do not intersect with the satellite's frequency band and / or are not located within the interference zone where the satellite performs its first service), thereby reducing the impact on access network device services.

[0009] In one possible design, the control policy is specifically used to instruct the reduction of the transmit power of one or more first access network devices associated with the management node.

[0010] The above design can reduce interference with satellites while ensuring that the first access network equipment can continue to operate.

[0011] In one possible design, the method further includes: a management node determining, based on load information of one or more first access network devices, a percentage or threshold for each of the one or more first access network devices to be allowed to adjust its transmit power; and the management node controlling at least one access network device associated with the management node according to a control policy, including: the management node controlling one or more first access network devices associated with the management node according to the control policy and the percentage or threshold for each of the one or more first access network devices to be allowed to adjust its transmit power.

[0012] The above design allows for differentiated control of the first access network device based on its load information, thereby reducing the impact on the services provided by the first access network device.

[0013] In one possible design, the control policy is specifically used to instruct changes to the frequency bands used by one or more first access network devices associated with the management node.

[0014] The above design can quickly reduce interference to satellites by instructing a change in the frequency band used by one or more first access network devices associated with the management node.

[0015] In one possible design, the method further includes: a management node determining, based on load information of one or more first access network devices, whether each of the one or more first access network devices is allowed to change the frequency band it uses; and the management node controlling at least one access network device associated with the management node according to a control policy, including: the management node controlling one or more first access network devices associated with the management node according to the control policy and whether each of the one or more first access network devices is allowed to change the frequency band it uses.

[0016] The above design allows for differentiated control of the first access network device based on its load information, thereby reducing the impact on the services provided by the first access network device.

[0017] In one possible design, the control policy is specifically used to instruct the cessation of operation of one or more first access network devices associated with the management node.

[0018] The above design can quickly reduce interference with satellites by instructing one or more first access network devices associated with the management node to stop operating.

[0019] In one possible design, the method further includes: a management node determining, based on load information of one or more first access network devices, whether each of the one or more first access network devices is allowed to be stopped; and the management node controlling at least one access network device associated with the management node according to a control policy, including: the management node controlling one or more first access network devices associated with the management node according to the control policy and whether each of the one or more first access network devices is allowed to be stopped.

[0020] The above design allows for differentiated control of the first access network device based on its load information, thereby reducing the impact on the services provided by the first access network device.

[0021] Secondly, embodiments of this application provide a communication method, which can be executed by a control node, or by a component of the control node (such as a processor, chip, or chip system), or by a logic module or software capable of implementing all or part of the functions of the control node. Taking the execution of this method by a control node as an example, the method includes: the control node receiving M first pieces of information from M management nodes, wherein the first pieces of information from any management node include the location, frequency band, and interference calculation information of at least one access network device associated with the management node; the control node determining the interference value of one or more first access network devices associated with the M management nodes to the satellite when the satellite is performing the first service, based on the satellite's frequency band, the interference zone where the satellite performs the first service, and the M first pieces of information, wherein the first access network device is an access network device whose frequency band intersects with the satellite and is located within the interference zone; if the aggregate interference value of one or more first access network devices associated with the M management nodes to the satellite is greater than a first threshold, the control node sends a control policy to N management nodes among the M management nodes, wherein the control policy is used to instruct the reduction of the interference of at least one access network device associated with the management node to the satellite, so that the aggregate interference value of one or more first access network devices associated with the M management nodes to the satellite is lower than the first threshold.

[0022] In one possible design, the first information from any management node also includes a virtual identifier of at least one access network device associated with the management node; the N management nodes include a first management node, and the control policy sent by the control node to the first management node also includes the virtual identifiers of one or more first access network devices associated with the first management node. Optionally, the control policy also includes the interference values ​​of one or more first access network devices to the satellite.

[0023] In one possible design, the N management nodes include a first management node, and the control policy is specifically used to instruct the reduction of the transmit power of one or more first access network devices associated with the first management node.

[0024] In one possible design, the N management nodes include a first management node, and the control policy is specifically used to instruct changes to the frequency bands used by one or more first access network devices associated with the first management node.

[0025] In one possible design, the N management nodes include a first management node, and the control policy is specifically used to instruct the cessation of operation of one or more first access network devices associated with the first management node.

[0026] In one possible design, the interference calculation information of the access network equipment includes one or more of the following: the antenna polarization of the access network equipment, the antenna transmit power, the antenna transmit gain, or the equivalent isotropically radiated power (EIRP).

[0027] In one possible design, the method further includes: the control node acquiring interference calculation information of the satellite; the control node determining the interference values ​​of one or more first access network devices associated with the M management nodes to the satellite when the satellite is performing the first service, based on the satellite's frequency band, the interference zone of the satellite performing the first service, and M pieces of first information, including: the control node determining the interference values ​​of one or more first access network devices associated with the M management nodes to the satellite when the satellite is performing the first service, based on the satellite's frequency band, the interference zone of the satellite performing the first service, M pieces of first information, and the satellite's interference calculation information.

[0028] In one possible design, the satellite's interference calculation information includes one or more of the following: the satellite's antenna receiving gain, the satellite's propagation loss information, or the satellite's antenna polarization.

[0029] Thirdly, embodiments of this application provide a communication method. This method can be executed by an access network device, by a component of the access network device (e.g., a processor, chip, or chip system), or by a logic module or software capable of implementing all or part of the functions of the access network device. Taking the execution of this method by an access network device as an example, the method includes: the access network device sending a first message to a network storage function element, the first message including the spectrum sharing granularity requirement of the access network device; the access network device receiving a second message from the network storage function element, the second message including information of at least one management node, wherein the spectrum sharing granularity capability of at least one management node meets the spectrum sharing granularity requirement; the access network device sending a first registration request to the second management node according to the information of the second management node, the first registration request including the location of the access network device, the frequency band used, and interference calculation information, wherein the second management node belongs to at least one management node.

[0030] The above method provides a scheme for access network devices to select associated (or registered) management nodes.

[0031] In one possible design, the first message also includes the location of the access network device, and the second message also includes the priority order of at least one management node, the priority order of the at least one management node being determined by the network storage function element based on the distance between the at least one management node and the access network device; the second management node is determined by the access network device among the at least one management node based on the priority order of the at least one management node.

[0032] Fourthly, embodiments of this application provide a communication method. This method can be executed by a network storage function network element, by a component of the network storage function network element (e.g., a processor, chip, or chip system), or by a logic module or software capable of implementing all or part of the functions of the network storage function network element. Taking the execution of this method by a network storage function network element as an example, the method includes: the network storage function network element receiving a first message from an access network device, the first message including the spectrum sharing granularity requirements of the access network device; the network storage function network element sending a second message to the access network device, the second message including information about at least one management node, wherein the spectrum sharing granularity capability of at least one management node meets the spectrum sharing granularity requirements.

[0033] In one possible design, the first message also includes the location of the access network device, and the second message also includes the priority order of at least one management node, the priority order of which is determined by the network storage function element based on the distance between each of the at least one management node and the access network device.

[0034] In one possible design, the method further includes: a network storage function element receiving a second registration request from at least one management node, wherein the second registration request from each management node includes the registration node's spectrum sharing granularity capability.

[0035] Fifthly, embodiments of this application provide a communication device that performs the function of the method described in the first aspect above. This function can be implemented in hardware or by hardware executing corresponding software. The hardware or software includes one or more modules corresponding to the above-described function, such as an interface unit and a processing unit.

[0036] In one possible design, the device can be a chip or an integrated circuit.

[0037] In one possible design, the device includes a memory and a processor, the memory for storing instructions executed by the processor, and when the instructions are executed by the processor, the device can perform the method described in the first aspect above.

[0038] In one possible design, the device could be a management node.

[0039] Sixthly, embodiments of this application provide a communication device that performs the function of the method described in the second aspect above. This function can be implemented in hardware or by hardware executing corresponding software. The hardware or software includes one or more modules corresponding to the above-described function, such as an interface unit and a processing unit.

[0040] In one possible design, the device can be a chip or an integrated circuit.

[0041] In one possible design, the device includes a memory and a processor, the memory for storing instructions executed by the processor, and when the instructions are executed by the processor, the device can perform the method described in the second aspect above.

[0042] In one possible design, the device can be a control node.

[0043] Seventhly, embodiments of this application provide a communication device that performs the function of the method described in the third aspect above. This function can be implemented in hardware or by hardware executing corresponding software. The hardware or software includes one or more modules corresponding to the aforementioned function, such as an interface unit and a processing unit.

[0044] In one possible design, the device can be a chip or an integrated circuit.

[0045] In one possible design, the device includes a memory and a processor, the memory for storing instructions executed by the processor, and when the instructions are executed by the processor, the device can perform the method described in the third aspect above.

[0046] In one possible design, the device can be an access network device.

[0047] Eighthly, embodiments of this application provide a communication device that performs the function of the method described in the fourth aspect above. This function can be implemented in hardware or by hardware executing corresponding software. The hardware or software includes one or more modules corresponding to the aforementioned function, such as an interface unit and a processing unit.

[0048] In one possible design, the device can be a chip or an integrated circuit.

[0049] In one possible design, the device includes a memory and a processor, the memory for storing instructions executed by the processor, and when the instructions are executed by the processor, the device can perform the method described in the fourth aspect above.

[0050] In one possible design, the device could be a network storage function element.

[0051] Ninthly, embodiments of this application provide a communication device including an interface circuit and a processor, wherein the processor and the interface circuit are coupled to each other. The processor implements the methods described in the first, second, third, or fourth aspects through logic circuits or execution instructions. The interface circuit is used to receive signals from other communication devices outside the communication device and transmit them to the processor, or to send signals from the processor to other communication devices outside the communication device. It is understood that the interface circuit can be a transceiver, a transceiver terminal, or an input / output interface.

[0052] Optionally, the communication device may also include a memory for storing instructions executed by the processor, or storing input data required by the processor to execute instructions, or storing data generated after the processor executes instructions. The memory may be a physically independent unit, or it may be coupled to the processor, or the processor may include the memory.

[0053] In a tenth aspect, embodiments of this application provide a computer-readable storage medium storing a computer program or instructions that, when executed by a processor, can implement the methods described in the first, second, third, or fourth aspects.

[0054] Eleventhly, embodiments of this application also provide a computer program product, including a computer program or instructions, which, when executed by a processor, can implement the methods described in the first, second, third, or fourth aspects above.

[0055] In a twelfth aspect, embodiments of this application also provide a chip system comprising: a processor and a memory, the processor being coupled to the memory, the memory being used to store programs or instructions, and when the programs or instructions are executed by the processor, implementing the methods of the first, second, third, or fourth aspects described above.

[0056] In a thirteenth aspect, embodiments of this application also provide a communication system, including the management node of the first aspect and the control node of the second aspect, and may further include the access network device of the third aspect and the network storage function network element of the fourth aspect.

[0057] The technical effects that can be achieved by the second to thirteenth aspects mentioned above should be referred to the technical effects that can be achieved by the first or third aspects mentioned above, and will not be repeated here. Attached Figure Description

[0058] Figure 1 A schematic diagram illustrating the interference of the terrestrial access network equipment provided in this application to the satellite receiver;

[0059] Figure 2A and Figure 2BThis is a schematic diagram of the network architecture provided in the embodiments of this application;

[0060] Figure 3A This is a schematic diagram illustrating a possible application scenario provided by an embodiment of this application;

[0061] Figure 3B and Figure 3C This is a schematic diagram illustrating the possible distribution of management nodes provided in the embodiments of this application;

[0062] Figure 3D This is a functional diagram of the management node and control node provided in the embodiments of this application;

[0063] Figure 4 This is one of the schematic diagrams of a communication method provided in an embodiment of this application;

[0064] Figure 5 One of the schematic diagrams of the method for determining the management node of the access network device provided in the embodiments of this application;

[0065] Figure 6 A second schematic diagram illustrating the method for determining the management node of an access network device in an embodiment of this application.

[0066] Figure 7 Example diagrams of signal interference provided in embodiments of this application;

[0067] Figure 8 This is a second schematic diagram of a communication method provided in an embodiment of this application;

[0068] Figure 9 This is the third schematic diagram of the communication method provided in the embodiments of this application;

[0069] Figure 10 This is the fourth schematic diagram of the communication method provided in the embodiments of this application;

[0070] Figure 11 This is one of the structural schematic diagrams of the communication device provided in the embodiments of this application;

[0071] Figure 12 This is a second schematic diagram of the communication device provided in the embodiments of this application. Detailed Implementation

[0072] The technical solutions of this application can be applied to various communication systems, such as 5G communication systems and 6G communication systems, as well as other communication systems evolved after 5G. The following describes some network architectures to which this application applies. In the following description, the terminal device is taken as user equipment (UE).

[0073] Figure 2A This is a schematic diagram of the network architecture of a 5G communication system based on a service-oriented architecture. Figure 2A The network architecture shown includes a data network (DN) and a carrier network. The functions of some of these network elements are briefly described below.

[0074] A carrier network includes one or more of the following network elements: network slice selection function (NSSF) network elements, network exposure function (NEF) network elements, network repository function (NRF) network elements, policy control function (PCF) network elements, unified data management (UDM) network elements, application function (AF) network elements, authentication server function (AUSF) network elements, access and mobility management function (AMF) network elements, session management function (SMF) network elements, access network (AN) equipment (radio access network (RAN) equipment is used as an example in the diagram), and user plane function (UPF) network elements. In the above-mentioned carrier network, network elements or equipment other than access network equipment can be referred to as core network elements or core network equipment.

[0075] Terminal equipment: Terminal equipment communicates with access network equipment using some kind of air interface technology. This air interface can be a 5G-based wireless air interface, such as New Radio (NR); or it can be an air interface based on the next-generation mobile communication network technology standard of 5G; or it can be an air interface based on the 4G standard (such as the Long Term Evolution (LTE) system), etc. Terminal equipment can be user equipment (UE), handheld terminal, laptop computer, subscriber unit, cellular phone, smartphone, wireless data card, personal digital assistant (PDA) computer, tablet computer, wireless modem, handheld device, laptop computer, cordless phone, wireless local loop (WLL) station, machine type communication (MTC) terminal, or other devices that can access the network.

[0076] Access network equipment is primarily responsible for functions such as radio resource management, quality of service (QoS) management, data compression, and encryption on the air interface side. Access network equipment can be base stations, pole-mounted stations, integrated access and backhaul (IAB) nodes, Node Bs, mobile base stations, evolved NodeBs (eNodeBs), transmission reception points (TRPs), radio access networks, radio access network equipment, evolved NodeBs (eNodeBs) in LTE systems or evolved LTE-A systems, next-generation NodeBs (gNBs) in 5G mobile communication systems, and base stations in future mobile communication systems. It can also be modules or units that perform some of the functions of a base station; for example, it can be a central unit (CU) or a distributed unit (DU). Radio access network equipment can be macro base stations, micro base stations (also called small stations), indoor stations, relay nodes, or donor nodes. The embodiments of this application do not limit the specific technology or device form used in the access network equipment.

[0077] In addition, access network equipment can also be untrusted non-3GPP access network equipment. Untrusted non-3GPP access network equipment can allow terminal equipment and the 3GPP core network to interconnect using non-3GPP technologies, such as Wireless Fidelity (Wi-Fi), Worldwide Interoperability for Microwave Access (WiMAX), and Code Division Multiple Access (CDMA) networks. In contrast, trusted non-3GPP access network equipment can directly access the 3GPP core network. This network element needs to interconnect with the 3GPP core network through a secure tunnel established by a security gateway. The security gateway can be, for example, an evolved packet data gateway (ePDG) or a non-3GPP interworking function (N3IWF) network element.

[0078] AMF network elements are core network elements primarily responsible for signaling processing, such as access control, mobility management, attach and detach, and gateway selection. When an AMF network element provides services to a session in a terminal device, it provides control plane storage resources for that session, as well as storing the session identifier and the SMF network element identifier associated with the session identifier.

[0079] SMF network elements are responsible for user plane network element selection, user plane network element redirection, Internet Protocol (IP) address allocation, bearer establishment, modification and release, and QoS control.

[0080] UPF network elements are responsible for forwarding and receiving user data in terminal devices. They can receive user data from the data network and transmit it to the terminal device through the access network equipment; UPF network elements can also receive user data from the terminal device through the access network equipment and forward it to the data network. The transmission resources and scheduling functions that provide services to the terminal device in the UPF network element are managed and controlled by the SMF network element.

[0081] PCF network element: It mainly supports providing a unified policy framework to control network behavior, provides policy rules to the control layer network functions, and is also responsible for obtaining user subscription information related to the policy.

[0082] AUSF network element: mainly provides authentication functions, supporting authentication for 3GPP access and Non-3GPP access.

[0083] NEF network element: Primarily supports secure interaction between 3GPP networks and third-party applications. The NEF network element can securely expose network capabilities and events to third parties to enhance or improve application service quality. The 3GPP network can also securely obtain relevant data from third parties to enhance network intelligent decision-making. At the same time, this network element supports recovering structured data from a unified database or storing structured data in a unified database.

[0084] UDM network elements: Their main functions include supporting authentication trust processing in 3GPP authentication and key negotiation mechanisms, user identity processing, access authorization, registration and mobility management, subscription management, and short message management.

[0085] UDR network element: mainly responsible for storing structured data, including contract data and policy data, externally exposed structured data and application-related data.

[0086] NRF network elements: Their main functions include service discovery, maintaining the NF text of available network function (NF) instances and the services they support.

[0087] NSSF network elements: Their main functions include selecting a set of network slice instances for terminal devices, determining the allowed NSSAI, and determining the set of AMF network elements that can serve terminal devices.

[0088] AF network element: mainly supports interaction with the 3GPP core network to provide services, such as influencing data routing decisions, policy control functions, or providing some third-party services to the network side.

[0089] 5G communication systems may also include coexistence control function (CCF) network elements. Figure 2A (Not shown in the image), CCF network elements can be responsible for the management and control functions of access network devices, the collection or proxy of data from access network devices, and the privacy protection of access network devices.

[0090] Figure 2ANnssf, Nnef, Nnrf, Npcf, Nudm, Naf, Nausf, Namf, and Nsmf are the service interfaces provided by the aforementioned NSSF, NEF, NRF, PCF, UDM, AF, AUSF, AMF, and SMF network elements, respectively, used to invoke the corresponding service operations. N1, N2, N3, N4, and N6 are interface sequence numbers, used for the interfaces between the AMF network element and the UE, between the AMF network element and the radio access network device, between the radio access network device and the UPF network element, between the SMF network element and the UPF network element, and between the UPF network element and the DN, respectively.

[0091] Figure 2B This is a schematic diagram of a 5G communication system based on a point-to-point interface. For a description of the functions of the network elements, please refer to [link / reference needed]. Figure 2A The functions of the corresponding network elements will not be described in detail here. Figure 2B and Figure 2A The main difference is: Figure 2A The interfaces between the various control plane network elements are service-oriented interfaces. Figure 2B The interfaces between the various control plane network elements are point-to-point interfaces. For example, N5 is the interface between the AF network element and the PCF network element, N7 is the interface between the PCF network element and the SMF network element, and so on. The meanings of interface sequence numbers such as N1 and N2 can be found in the definitions in the 3GPP standard protocol, and will not be repeated here.

[0092] It is understood that the aforementioned network element or function can be a network component in a hardware device, a software function running on dedicated hardware, or a virtualized function instantiated on a platform (e.g., a cloud platform). Optionally, the aforementioned network element or function can be implemented by one device, multiple devices working together, or a functional module within a single device; this application embodiment does not specifically limit this.

[0093] Figure 3A This is a schematic diagram illustrating a possible application scenario to which this application applies, such as... Figure 3A As shown, this scenario includes access network equipment, management nodes, control nodes (also known as spectrum coexistence management centers), and satellites. It may also include gateway stations (or ground stations) for terrestrial and satellite communications, and a satellite control center for satellite management. In this scenario, refer to... Figure 3B As shown, the management node can be deployed within the core network (i.e., within the core network domain) as a core network element, referring to... Figure 3CAs shown, management nodes can also be deployed within a network management system (such as an operation administration and maintenance (OAM) system), or they can be deployed within the access network, such as co-located with access network equipment. Management nodes can aggregate information about their associated access network equipment (such as location and frequency bands used) and send it to the control nodes. Control nodes can be deployed outside the core network (i.e., outside the core network domain) to support information exchange with satellites or satellite control centers. Based on satellite information (such as interference zones for frequency band services) and information about the access network equipment associated with each management node, the control node can determine the aggregate interference value of the access network equipment to the satellite. When the aggregate interference value exceeds a threshold, the control node can send control policies to some or all management nodes, enabling the receiving management nodes to control the associated access network equipment, thereby limiting the interference to the satellite and ensuring service quality when the satellite is performing its services.

[0094] Understandably, on Figure 3A In application scenarios, refer to Figure 3D As shown, the management node can have functions such as managing access network devices, collecting / proxying access network device data, controlling access network device channels and power. Optionally, the management node can also have functions such as data privacy protection (e.g., protecting the privacy of access network device data). The control node has functions such as managing and controlling shared devices (e.g., access network devices and satellites), determining satellite interference areas, calculating lumped interference, and issuing channel and power control policies at the management node granularity, to ensure service quality when the satellite performs services. The embodiments of this application will be described in detail below with reference to the accompanying drawings.

[0095] Additionally, it should be understood that the ordinal numbers such as "first" and "second" mentioned in the embodiments of this application are used to distinguish multiple objects and are not used to limit the size, content, order, timing, priority, or importance of multiple objects. In the embodiments of this application, the number of nouns, unless otherwise specified, refers to "singular nouns or plural nouns," that is, "one or more." "At least one" refers to one or more, and "more" refers to two or more. "And / or" describes the relationship between related objects, indicating that there can be three relationships. For example, A and / or B can mean: A exists alone, A and B exist simultaneously, or B exists alone, where A and B can be singular or plural. The character " / " generally indicates that the related objects before and after are in an "or" relationship. For example, A / B means: A or B. "At least one of the following" or similar expressions refer to any combination of these items, including any combination of single or plural items. For example, at least one of a, b, or c means: a, b, c, a and b, a and c, b and c, or a and b and c, where a, b, and c can be a single item or multiple items.

[0096] It is worth noting that, in the embodiments of this application, the network storage function network element can be the aforementioned NRF network element, or it can be a network element in a future communication system such as a 6G system that has the aforementioned NRF network element function. The access and mobility management function network element can be the aforementioned AMF network element, or it can be a network element in a future communication system such as a 6G system that has the aforementioned AMF network element function. Similarly, the network capability opening function network element can be the aforementioned NEF network element, or it can be a network element in a future communication system such as a 6G system that has the aforementioned NNEF network element function. The specific forms of the network storage function network element, access and mobility management function network element, and network capability opening function network element are not limited in the embodiments of this application. For ease of explanation, the embodiments of this application use an NRF network element as the network storage function network element, an AMF network element as the access and mobility management function network element, and a NEF network element as the network capability opening function network element for illustration.

[0097] Figure 4 A schematic diagram of a communication method provided in an embodiment of this application is shown. The method includes:

[0098] S401: M management nodes send first information to the control node, and correspondingly, the control node receives M first messages from the M management nodes.

[0099] The first information from any management node includes the location of at least one access network device associated with that management node, the frequency band it uses, and interference calculation information.

[0100] In this embodiment of the application, each access network device can select a management node to associate with (or register with), and can send a first registration request to the associated (or registered) management node, including information such as the location of the access network device, the frequency band used, and interference calculation information, so that the management node can know the location of the access network device, the frequency band used, and interference calculation information.

[0101] In one possible implementation, the management node associated with (or registered with) the access network device can be determined based on the distance between the access network device and the management node.

[0102] As an example, refer to Figure 5 As shown, the management node in the communication system can send a second registration request to the NRF network element. This second registration request may include the location of the management node, as well as its Internet Protocol (IP) address, identifier, and network functions. The function (NF) can be one or more of the information such as management nodes. Access network devices can send an NF selection request to an NRF network element through an AMF network element. The NF selection request can include the location of the access network device, and one or more of the access network device's identifier, IP address, etc. The NRF network element can determine at least one management node whose distance to the access network device is less than a set distance threshold based on the locations of the various management nodes registered to the NRF network element and the location of the access network device, and send the information of the determined at least one management node (such as the management node's identifier or IP address) to the access network device via an NF selection response. Alternatively, the NRF network element can also determine the management node with the smallest distance to the access network device based on the locations of the various management nodes registered to the NRF network element and the location of the access network device, and send the information of that management node to the access network device via an NF selection response. After receiving the NF selection response, the access network device can select one management node from the at least one management node whose distance to the access network device is less than the set distance threshold as the associated management node, or select the management node with the smallest distance to the access network device as the associated management node.

[0103] After the management node to be associated is determined, the access network device can send the first registration information to the selected management node based on the information of the management node (such as IP address or identifier). The first registration information may include the location of the access network device, the frequency band used, and interference calculation information.

[0104] In another possible implementation, the management node associated with (or registered with) the access network device can be determined based on the spectrum sharing granularity requirements of the access network device and the spectrum sharing granularity capability of the management node.

[0105] The spectrum sharing granularity requirement of the access network device can refer to the granularity at which the access network device can share spectrum with the satellite (e.g., the granularity of the time domain, frequency domain, and / or spatial domain); the spectrum sharing granularity capability of the management node can refer to the granularity at which the management node supports controlling the spectrum of the access network device. As shown in Table 1, an example of spectrum sharing capability provided by an embodiment of this application is provided. The spectrum sharing granularity can include time domain granularity, frequency domain granularity, and spatial domain granularity. The time domain granularity capability can be divided into millisecond level and second level, the frequency domain granularity capability can be divided into resource block (RB) level and resource block group (RBG) level, and the spatial domain granularity can be divided into codeword level and layer level.

[0106] Table 1

[0107]

[0108] Reference Figure 6 As shown, the management node in the communication system can send a second registration request (such as an NF register request) to the NRF network element. This second registration request may include the management node's spectrum sharing granularity capability, and may also include one or more of the following information: the management node's IP address, identifier, location, NF type (management node), and supported NF services. As an example, the NF services supported by the management node can be as shown in Table 2, including device registration or association services (supporting access network devices to register or associate with the management node) and device control services (supporting the management node to control access network devices, such as sending control policies or commands to access network devices, causing the access network devices to respond to the control policies or commands sent by the management node).

[0109] Table 2

[0110]

[0111] Access network devices can send a first message containing the spectrum sharing granularity requirements of the access network device to the NRF network element through the AMF network element. The first message may also include one or more of the following: the location of the access network device, the target NF type being a management node, etc.

[0112] The NRF network element can determine at least one management node whose spectrum sharing granularity capability meets the spectrum sharing granularity requirements of the access network device based on the spectrum sharing granularity capability of each management node registered to the NRF network element, and send a first response including the information of the at least one management node to the access network device through the AMF network element. After receiving the first response, the access network device can select one of the at least one management nodes as the management node for association (or registration).

[0113] In some implementations, the location of the access network device may also be included in the first message. The NRF network element may also determine the priority order of the at least one management node based on its distance from the access network device. For example, the priority order of the at least one management node may be determined according to the principle that the closer the access network device is to the management node, the higher the priority, and the priority order of the at least one management node may be sent to the access network device through a second message. The access network device may also select a management node (e.g., the management node with the highest priority or the management node with a priority greater than a set priority threshold) as the management node to be associated with (or registered) based on the priority order information of the at least one management node.

[0114] In some implementations, the AMF network element can also select a default management node within a public land mobile network (PLMN) for the access network device.

[0115] In some implementations, the first message mentioned above can also be called an NF selection request, and the second message can also be called an NF selection response. The access network device can send an NF selection request to the NRF network element through the AMF network element, and can receive an NF selection response from the NRF network element through the AMF network element.

[0116] As an example, the N2 interface between the access network device and the AMF network element can be enhanced, for instance, by adding an NF selection definition to the elementary procedure (EP) section of the 3GPP next-generation application protocol. The access network device can send an NF selection request to the AMF network element. Upon receiving the NF selection request, the AMF network element can forward the NF selection request to the NRF network element by sending an NF discovery request (Nnrf_NF discovery request) that includes the NF selection request. After receiving an NF discovery response (Nnrf_NF discovery response) from the NRF network element that includes the NF selection response, the AMF network element forwards the NF selection response to the access network device.

[0117] Optionally, the AMF network element may also carry information about the access network device that performs the selection of the management node (NF selection for RAN) in the NF discovery request, such as the identifier (RAN ID) of the access network device that performs the selection of the management node, so that the NRF network element can determine the access network device that performs the selection of the management node.

[0118] In some implementations, the second registration request sent by the management node may also carry the network identifier of the management node, such as the identifier of the public land mobile network (PLMN) (e.g., PLMN ID). Similarly, the request or message sent by the access network device (e.g., NF selection request) may carry the identifier of the PLMN of the access network device (e.g., PLMN ID). The PLMN of the management node determined by the NRF network element based on the request or message sent by the access network device must be the same as the PLMN of the access network device. In other words, the identifier of the PLMN corresponding to the management node carried by the NRF network element in the response or message (e.g., NF selection response) sent to the access network device must be the same as the identifier of the PLMN corresponding to the access network device.

[0119] In another possible implementation, if the access network device still has information about the management node it previously associated with (or registered with) (such as the IP address of the management node), the access network device can also directly select that management node as the management node to be associated with (or registered with).

[0120] Alternatively, the management node may be located at a higher level, with only one management node deployed in a region. The information of the management node can be pre-configured in the access network devices in that region, and the access network devices can also use the pre-configured management node as the management node for association (or registration).

[0121] Alternatively, information about multiple management nodes (such as the IP addresses of the management nodes) can be pre-configured in the access network device, along with the spectrum sharing granularity capabilities corresponding to the multiple management nodes. The access network device can then dynamically select the management node with the corresponding spectrum sharing granularity capability based on the required spectrum sharing granularity.

[0122] It should be understood that the access network device can use any of the above-mentioned implementations to determine the associated (or registered) management node, or it can use other methods to determine the associated (or registered) management node. The embodiments of this application do not limit the specific method by which the access network device determines the management (or registered) management node.

[0123] Each management node can be associated with (or registered with) at least one access network device. Each management node can aggregate the location, frequency band, and interference calculation information of each access network device associated with it, and send this information to the control node via a first message. Optionally, the first message may also include the identifier of the at least one access network device associated with the management node.

[0124] In some implementations, to prevent information of access network devices from being leaked on the control node side, the identifier of at least one access network device associated with the management node included in the first information can be a virtual identifier of at least one access network device associated with the management node.

[0125] For example: The identifier and virtual identifier of the access network device can be mapped according to mapping rules, which can be pre-configured in the management node. For instance: the mapping rule can be to obtain the virtual identifier of the access network device by adding 10 to the identifier (real identifier) ​​and converting it from decimal to hexadecimal, and then to obtain the identifier (real identifier) ​​of the access network device by converting the virtual identifier from hexadecimal to decimal and subtracting 10.

[0126] Table 3 shows an example of the location, frequency band, and interference calculation information of an associated access network device reported by the management node. This includes the management node's identifier "101", the access network device's virtual identifier "334", the access network device's location "x1, y1", the frequency band used (F1), and interference calculation information (EIRP 1).

[0127] Table 3

[0128]

[0129] S402: The control node determines the interference values ​​of one or more first access network devices associated with the M management nodes to the satellite when the satellite performs the first service, based on the satellite's frequency band, the interference zone where the satellite performs the first service, and M pieces of first information.

[0130] The first access network device is an access network device whose frequency band overlaps with that of the satellite and is located in the interference zone.

[0131] In this embodiment of the application, the interference zone for the satellite to perform the first service can refer to the geographical range in which the satellite performs the first service (such as latitude and longitude range, country region, or city region, etc.), that is, the first service is configured to be performed within this geographical range.

[0132] In one implementation method, the satellite's frequency band and the interference zone where the satellite performs its first service can be transmitted from the satellite to the control node. As an example, the satellite or satellite control center can send a third registration request to the control node, which may include information such as the satellite's identifier, frequency band, and interference zone where the satellite performs its first service. The control node can obtain the satellite's frequency band and interference zone information based on the received third registration request.

[0133] In another implementation method, the interference zone for the satellite to perform the first service can also be determined by the control node based on the satellite's ephemeris information and the time information for performing the first service. The satellite's ephemeris is used to indicate information such as the satellite's trajectory, speed, or direction. As an example, the satellite or satellite control center can send a third registration request to the control node. This request may include information such as the satellite's identifier, frequency band, time range for performing the first service, and ephemeris. The control node can obtain the satellite's frequency band, time information for performing the first service, and ephemeris information from the received third registration request. Based on the time range for performing the first service and the satellite's ephemeris, the control node can determine the geographical area covered by the satellite within that time range and designate this geographical area as the interference zone for the satellite's first service.

[0134] In some implementations, if the access network equipment associated with a management node intersects with the satellite's frequency band and is located within an interference zone, it indicates that the signal emitted by that access network equipment may interfere with the satellite's receiver and potentially interfere with the first service on the satellite. The control node can determine one or more first access network equipment associated with M management nodes based on the location and frequency band used by the access network equipment, and can determine the interference value of each first access network equipment to the satellite based on the interference calculation information of each first access network equipment. Here, the first access network equipment is defined as the access network equipment whose frequency band intersects with the satellite's and is located within an interference zone.

[0135] Figure 7 This is an example diagram illustrating signal interference provided in an embodiment of this application. For instance, M management nodes are associated with 10 access network devices, and 4 of these 10 access network devices are located within the satellite's interference zone and use frequency bands that overlap with the frequency band used by the satellite when performing the first service. In this case, the control node determines that the first access network device includes these 4 access network devices and determines the interference value of each of these 4 access network devices to the satellite.

[0136] In one implementation method, the interference calculation information of the access network device includes one or more of the following: antenna polarization, antenna transmit power, antenna transmit gain, or EIRP of the access network device. The antenna polarization of the access network device can be circular, elliptical, or linear, etc., and the antenna polarization is used to calculate polarization loss.

[0137] In one implementation method, an example of how to calculate the interference value I (Interference) of the access network device to the satellite is as follows:

[0138] I = P tx +G tx

[0139] Where P_tx is the transmit power of the access network device, and G_tx is the transmit gain of the access network device. It can be understood that the EIRP of the access network device is equal to the sum of the antenna transmit power and the antenna transmit gain of the access network device. The aforementioned P... tx +G tx Alternatively, it can be replaced with the EIRP of the access network device.

[0140] In another implementation method, the calculation of the interference value I of the access network device to the satellite can also take into account the polarization loss of the access network device. An example of the calculation method for the interference value I of the access network device to the satellite is as follows:

[0141] I = P tx +G tx -PL1

[0142] Among them, P tx For the transmit power of access network equipment, G tx PL1 represents the transmit gain of the access network equipment, and PL2 represents the polarization loss of the access network equipment.

[0143] In some implementations, the calculation of satellite interference values ​​by access network equipment may also consider the impact of satellite interference calculation information. This satellite interference calculation information includes one or more of the following: satellite antenna receiving gain, satellite propagation loss information, or satellite antenna polarization. The satellite antenna polarization can be circular, elliptical, or linear, and is used to calculate polarization loss. Satellite propagation loss information may include at least one of free space loss, ionospheric loss, atmospheric attenuation, and ground object loss. Satellite propagation loss information is used to determine satellite propagation loss, which refers to the loss of signal transmission from the access network equipment to the satellite antenna (receiver). The free space loss in the satellite propagation loss information can be a specific value for free space loss or information indicating the calculation method for free space loss. The ionospheric loss in the satellite propagation loss information can be a specific value for ionospheric loss or information indicating the calculation method for ionospheric loss. The atmospheric attenuation in the satellite propagation loss information can be a specific value for atmospheric attenuation or information indicating the calculation method for atmospheric attenuation. The beam spread in satellite propagation loss information can be either a specific value for the beam spread or information indicating the calculation method for the beam spread. Similarly, the ground feature loss in satellite propagation loss information can be either a specific value for the ground feature loss or information indicating the calculation method for the ground feature loss.

[0144] For example, the free space loss can be calculated as follows: FSPL(d,f c ) = 32.45 + 20log 10 (f c )+20log 10 d. Wherein, FSPL(d,f c ) represents the free space loss, f c The transmission frequency of the access network equipment can be understood as the midpoint of the frequency band used by the access network equipment mentioned above. d is the distance between the satellite and the access network equipment, which can be calculated by the first device based on the satellite's ephemeris information, the location information of the access network equipment, and the Earth's radius.

[0145] For example, ionospheric loss, atmospheric attenuation, beam spread, and ground feature loss can be taken as empirical values.

[0146] In one implementation method, an example of how to calculate the interference value I (Interference) of the access network device to the satellite is as follows:

[0147] I = P tx +G tx -PL2+G rx Or I = P tx +Gtx -PL1-PL2+G rx

[0148] Among them, P tx For the transmit power of access network equipment, G tx For the transmit gain of access network equipment, G rx PL1 represents the satellite's receiving gain, PL2 represents the satellite's propagation loss and polarization loss, and PL1 represents the polarization loss of the access network equipment.

[0149] In some implementations, in order to save resource costs, the control node may execute step S402 only within the time frame during which the satellite performs the first service.

[0150] S403: The control node sends a control policy to N management nodes out of M management nodes, and correspondingly, the N management nodes receive the control policy. Here, M and N are integers, and N is less than or equal to M.

[0151] This control strategy is used to instruct the reduction of interference to the satellite from at least one access network device associated with the management node, so that the aggregate interference value of the satellite from one or more first access network devices associated with the M management nodes is lower than a first threshold. The aggregate interference value of the satellite from one or more first access network devices associated with the M management nodes can be determined by the control node based on the sum of the interference values ​​of the satellite from the one or more first access network devices associated with the M management nodes.

[0152] In one implementation method, before step S403, the control node further determines that the aggregate interference value of one or more first access network devices associated with the M management nodes to the satellite is greater than a first threshold. That is, if the control node determines that the aggregate interference value of one or more first access network devices associated with the M management nodes to the satellite is greater than the first threshold, it triggers the execution of step S403; if it determines that the aggregate interference value of one or more first access network devices associated with the M management nodes to the satellite is less than or equal to the first threshold, it does not execute the above step S403.

[0153] Table 4 shows an example of the interference value of a first access network device to a satellite provided in an embodiment of this application. Referring to Table 4, the first access network devices associated with M management nodes include access network device A, access network device B, and access network device C. The interference values ​​of access network devices A, B, and C to the satellite are 90dB, 110dB, and 120dB, respectively. The associated management nodes are management node A, management node B, and management node C, respectively. The aggregate interference value of access network devices A, B, and C to the satellite is 320dB, which is greater than the first threshold of 200dB. Therefore, the control node needs to send a control policy to management node A and / or management node B.

[0154] Table 4

[0155] First access network device Access Network Device A Access Network Equipment B Access Network Equipment C Interference value 90dB 110dB 120dB Associated Management Node Management Node A Management Node A Management Node B

[0156] In some implementations, the control policies sent by the control node to the M management nodes can be the same. For example, the control policy may specifically instruct the reduction of interference values ​​of at least the access network devices associated with the management node, and the control policies sent by the control node to the M management nodes may indicate the same interference reduction values.

[0157] In some implementations, the control policies sent by the control node to the M management nodes can also be different. Taking the control policy specifically used to instruct the reduction of the interference value of at least the access network devices associated with the management node as an example, referring to Table 4 above, the management node can send a control policy to management node A to instruct the reduction of the interference value of at least the access network devices associated with management node A by 80dB, and send a control policy to management node B to instruct the reduction of the interference value of at least the access network devices associated with management node B by 40dB, based on the ratio of the number of first access network devices associated with management node A to management node B; or it can send a control policy to management node A to instruct the reduction of the interference value of at least the access network devices associated with management node A by 75dB, and send a control policy to management node B to instruct the reduction of the interference value of at least the access network devices associated with management node B by 45dB, and so on, based on the ratio of the interference value brought by the first access network devices associated with management node A to management node B.

[0158] S404: The management node controls at least one access network device associated with the management node according to the control policy.

[0159] In this embodiment, the management node can control all access network devices associated with the management node according to the control policy sent by the control node. For example, if the control policy is to reduce the transmit power of at least one access network device associated with the management node by 20%, the management node can control all access network devices associated with the management node to reduce their transmit power by 20%. If the control policy is to reduce the interference value of at least one access network device associated with the management node by 80dB, the management node can reduce the transmit power or transmit gain of all access network devices associated with the management node according to the ratio of the interference value of 80dB to the number of access network devices associated with the management node.

[0160] In some implementations, to avoid affecting the services of access network devices that do not intersect with the satellite's frequency band and / or are not located in the interference zone where the satellite performs the first service, the control policy sent by the control node to the management node may also include the identifier (such as a virtual identifier) ​​of one or more first access network devices associated with the management node. The first access network devices are access network devices that intersect with the satellite's frequency band and are located in the interference zone where the satellite performs the first service, so that the management node controls only one or more first access network devices associated with the management node according to the control policy.

[0161] The following example illustrates different implementation methods of the control policy in step S403, and how the management node controls at least one access network device associated with the management node according to the control policy in step S404, using the control policy sent by the control node to the management node as an example.

[0162] In method A, the first management node is included among the N management nodes, and the control policy is specifically used to instruct the reduction of the transmit power of one or more first access network devices associated with the management node.

[0163] A1 is implemented as follows: The control policy indicates that the transmit power of one or more first access network devices associated with the management node needs to be reduced.

[0164] As an example: The first access network devices associated with the first management node include access network device A1 and access network device A2. The control policy indicates that the transmit power of one or more first access network devices associated with the management node needs to be reduced by 100mw. Then the first management node can control access network device A1 to reduce its transmit power by 20mw, access network device A2 to reduce its transmit power by 80mw, or control access network device A1 to reduce its transmit power by 50mw, access network device A2 to reduce its transmit power by 50mw, and so on.

[0165] In some implementations, the control strategy may also include interference values ​​of one or more first access network devices associated with the first management node. The first management node may also control one or more first access network devices associated with it based on their interference values. For example, it may determine the ratio by which each first access network device needs to reduce its transmit power based on the ratio of their interference values.

[0166] In some implementations, the first management node can also determine the proportion or threshold for each of the one or more first access network devices to adjust its transmit power based on the load information of the associated one or more first access network devices, and control the associated one or more first access network devices according to the proportion or threshold for each first access network device to adjust its transmit power.

[0167] As an example: The first access network devices associated with the first management node include access network device A1 and access network device A2. The load information for access network device A1 is as follows: if the load level is light, and the load information for access network device A2 is as follows: if the load level is heavy, and the first management node is pre-configured with restrictions that do not control the transmit power of the heavily loaded access network devices according to the control policy, then the first management node can determine that the threshold for adjusting access network device A1 is unlimited, and the threshold for adjusting access network device A2 is 0. If the control policy indicates that the transmit power of one or more first access network devices associated with the management node needs to be reduced by 100mW, then the first management node can control access network device A1 to reduce its transmit power by 100mW.

[0168] Implementing A2: If the control policy indicates that the transmit power of one or more first access network devices associated with the management node needs to be reduced by a certain percentage, then the first management node can control one or more first access network devices associated with the first management node according to this percentage, thereby reducing the total transmit power of the one or more associated first access network devices.

[0169] As an example: The first access network devices associated with the first management node include access network device A1 and access network device A2. The control policy indicates that the transmit power of one or more first access network devices associated with the management node needs to be reduced by 30%. Then the first management node can control access network device A1 to reduce its transmit power by 30% and access network device A2 to reduce its transmit power by 30%.

[0170] In some implementations, the first management node can also determine the proportion or threshold for each of the one or more first access network devices to adjust its transmit power based on the load information of the associated one or more first access network devices, and control the associated one or more first access network devices according to the proportion or threshold for each first access network device to adjust its transmit power.

[0171] As an example: The first access network devices associated with the first management node include access network device A1 and access network device A2. Given the load information of access network device A1 (e.g., light load) and the load information of access network device A2 (e.g., heavy load), and the first management node pre-configured with restrictions that do not control the transmit power of the heavily loaded access network device according to the control policy, the first management node can determine that the threshold for adjusting access network device A1 is unlimited and the threshold for adjusting access network device A2 is 0. If the control policy indicates that the transmit power of one or more first access network devices associated with the management node needs to be reduced by a percentage of 30%, then the first management node can control access network device A1 to reduce its transmit power by 30%.

[0172] For the load information (such as load level) of access network devices, the management node can determine the load level based on one or more of the following: number of users, physical resource block (PRB) utilization, central processing unit (CPU) utilization, throughput, etc. Taking the CPU utilization of access network devices as an example, the CPU utilization of access network devices is less than the first CPU utilization threshold as light load, greater than or equal to the first CPU utilization threshold and less than the second CPU utilization threshold as medium load, and greater than or equal to the second CPU utilization threshold as heavy load, wherein the first CPU utilization threshold is less than the second CPU utilization threshold.

[0173] Understandably, the control policy may also indicate the percentage range of the transmit power that needs to be reduced for one or more first access network devices associated with the management node, or the range of the transmit power that needs to be reduced for one or more first access network devices associated with the management node. The first management node may also autonomously decide the percentage or the amount of transmit power that needs to be reduced within the percentage range of the transmit power that needs to be reduced for one or more first access network devices associated with the management node, or the range of the transmit power that needs to be reduced for one or more first access network devices associated with the management node.

[0174] Implementation B: The control policy is specifically used to instruct changes to the frequency bands used by one or more first access network devices associated with the first management node.

[0175] This control policy is used to indicate a change in the frequency band used by one or more first access network devices associated with the first management node, which can also be understood as the frequency band currently used by the one or more first access network devices being unavailable.

[0176] In one possible implementation, after receiving the control policy, the first management node can control one or more associated first access network devices to change the frequency band they use in order to reduce the interference value when the satellite performs the first service.

[0177] The frequency band of one or more first access network devices after the change can be indicated by the control node, such as by carrying the changed frequency band in the control policy, or it can be determined by the first management node. This application does not limit this.

[0178] In some implementations, the first management node can also determine, based on the load information of one or more associated first access network devices, whether each of the one or more first access network devices is allowed to change the frequency band it uses. Then, based on the received control policy and whether each of the one or more first access network devices is allowed to change the frequency band it uses, the node controls the one or more first access network devices.

[0179] As an example: The first access network devices associated with the first management node include access network device A1 and access network device A2. Access network device A1 has a load information, such as a light load, while access network device A2 has a load information, such as a heavy load. The first management node pre-configures that access network devices with a heavy load are not allowed to change the frequency band they use. Therefore, the first management node can determine that access network device A1 is allowed to change the frequency band it uses, while access network device A2 is not allowed to change the frequency band it uses. Thus, the first management node can control access network device A1 to change the frequency band it uses to reduce interference to satellites.

[0180] Implementation C: The control policy is specifically used to instruct the cessation of operation of one or more first access network devices associated with the first management node.

[0181] In one possible implementation, after receiving the control policy, the first management node can control one or more associated first access network devices to stop working in order to reduce the interference value when the satellite performs the first service.

[0182] In some implementations, the first management node can also determine whether each of the one or more associated first access network devices is allowed to be shut down based on the load information of the associated one or more first access network devices. Then, based on the received control policy and whether each of the one or more first access network devices is allowed to be shut down, the node controls the one or more first access network devices.

[0183] As an example: The first access network devices associated with the first management node include access network device A1 and access network device A2. Access network device A1 has a light load, while access network device A2 has a heavy load. The first management node is pre-configured to prevent access network devices with heavy loads from being shut down. Therefore, the first management node can determine that access network device A1 can be shut down, while access network device A2 cannot. Thus, the first management node can control access network device A1 to stop operating, thereby reducing interference to the satellite.

[0184] By issuing control policies once or multiple times, the control node can control the aggregate interference value of one or more first access network devices associated with M management nodes to the satellite below a first threshold, so as to ensure the quality of the satellite performing the first service.

[0185] In some implementations, management nodes can be deployed within the core network (i.e., within the core network domain), while control nodes can be deployed outside the core network (i.e., outside the core network domain) to facilitate information exchange between control nodes and external network elements such as satellites or satellite control centers. Optionally, management nodes and control nodes can exchange information through NEF network elements.

[0186] The following will be combined with specific examples. Figures 8 to 10 Specific embodiments, for the above Figure 4 The embodiments are described below.

[0187] Figure 8 This is a flowchart illustrating a communication method provided in an embodiment of this application. Figure 8 In this embodiment, the first device is a CCF network element, that is, a CCF network element used as a management node. The CCF network element can also be called an intra-domain CCF network element (ICCF), i.e., a CCF network element within the core network. The method includes the following steps:

[0188] S801: M CCF network elements send first information to the control node, and correspondingly, the control node receives M first information messages from the M CCF network elements.

[0189] The first information from any CCF network element includes at least one access network device associated with that CCF network element (such as...). Figure 8 The location, frequency band used, and interference calculation information of access network device 1 and access network device 2 in the network.

[0190] In one possible implementation, each access network device can select a CCF network element to associate with (or register with), and can send a first registration request to the associated (or registered) CCF network element, including information such as the location of the access network device, the frequency band used, and interference calculation information. The CCF network element can obtain information about at least one access network device (e.g., [missing information]) associated with it by receiving the first registration requests sent by at least one associated access network device. Figure 8 The location, frequency band, and interference calculation information of access network device 1 and access network device 2, and can associate at least one access network device (such as...) with this CCF network element. Figure 8 The location, frequency band used, and interference calculation information of access network device 1 and access network device 2 are summarized and sent to the control node.

[0191] S802: The satellite control center sends a third registration request to the control node, and the control node receives the third registration request accordingly.

[0192] The third registration request may include information about the satellite's frequency band and the interference zone where the satellite performs the first service, or it may include information used to determine the satellite's frequency band and the interference zone where the satellite performs the first service. Optionally, the third registration request may also include interference calculation information for the satellite. For details regarding the satellite's interference calculation information, please refer to... Figure 4 The description of the embodiments will not be repeated.

[0193] It should be understood that S802 can be executed before, after, or simultaneously with S801. This application does not impose any restrictions on the order in which S802 and S801 are executed. Furthermore, if the information contained in the second registration request is pre-configured in the control node, S802 may not need to be executed.

[0194] S803: The control node sends control policies to N CCF network elements out of M CCF network elements, and correspondingly, the N CCF network elements receive the control policies. Here, M and N are integers, and N is less than or equal to M.

[0195] This control strategy is used to reduce the interference of at least one access network device associated with a CCF network element to the satellite, so that the aggregate interference value of one or more first access network devices associated with M CCF network elements is lower than a first threshold.

[0196] S804: The CCF network element controls at least one access network device associated with it according to the control policy.

[0197] For details on how the control nodes involved in S803 and S804 issue control policies, and how the CCF network element controls at least one associated access network device according to the control policies, please refer to [link to relevant documentation]. Figure 4 The descriptions of S403 and S404 in the embodiments will not be repeated here.

[0198] Figure 9 This is a flowchart illustrating a communication method provided in an embodiment of this application. Figure 9 In this embodiment, the management node is an AMF network element, that is, an AMF network element is used as the management node. The method includes the following steps:

[0199] S901: M AMF network elements (e.g., ... Figure 9 AMF network element 1 and AMF network element 2 send first information to the control node, and correspondingly, the control node receives M first information messages from the M AMF network elements.

[0200] The first information from any AMF network element includes the location of at least one access network device associated with that AMF network element, the frequency band it uses, and interference calculation information.

[0201] In one possible implementation, each access network device can select an AMF (Advanced Feature Function) element to associate with (or register with), and can send a first registration request to the associated (or registered) AMF element, including information such as the location of the access network device, the frequency band used, and interference calculation information (e.g., ...). Figure 9 Access network device 2 sends a first registration request to AMF2 network element, and access network device 1 sends a first registration request to AMF1 network element. An AMF network element can obtain the location, frequency band, and interference calculation information of at least one access network device associated with it by receiving the first registration requests from at least one associated access network device. It can then summarize the location, frequency band, and interference calculation information of the at least one associated access network device and send it to the control node.

[0202] S902: The satellite control center sends a third registration request to the control node, and the control node receives the third registration request accordingly.

[0203] The third registration request may include information about the satellite's frequency band and the interference zone where the satellite performs the first service, or it may include information used to determine the satellite's frequency band and the interference zone where the satellite performs the first service. Optionally, the third registration request may also include interference calculation information for the satellite. For details regarding the satellite's interference calculation information, please refer to... Figure 4 The description of the embodiments will not be repeated.

[0204] It should be understood that S902 can be executed before, after, or simultaneously with S901. This application does not impose any restrictions on the order in which S902 and S901 are executed. Furthermore, if the information contained in the second registration request is pre-configured in the control node, S902 may not need to be executed.

[0205] S903: The control node sends a control policy to N AMF network elements out of M AMF network elements, and correspondingly, the N AMF network elements receive the control policy. Here, M and N are integers, and N is less than or equal to M.

[0206] This control strategy is used to reduce the interference of at least one access network device associated with an AMF network element to the satellite, so that the aggregate interference value of one or more first access network devices associated with M AMF network elements is lower than a first threshold.

[0207] S904: The AMF network element controls at least one access network device associated with the AMF network element according to the control policy.

[0208] For details on how the control nodes in S903 and S904 issue control policies, and how the AMF network element controls at least one associated access network device according to the control policies, please refer to [link to relevant documentation]. Figure 4 The descriptions of S403 and S404 in the embodiments will not be repeated here.

[0209] Figure 10 This is a flowchart illustrating a communication method provided in an embodiment of this application. Figure 10 In this embodiment, the control node is a NEF network element, that is, the NEF network element is used as the control node. The method includes the following steps:

[0210] S1001: M management nodes send first information to the NEF network element, and correspondingly, the NEF network element receives M first information from the M management nodes.

[0211] The first information from any management node includes the location of at least one access network device associated with that management node, the frequency band it uses, and interference calculation information.

[0212] In one possible implementation, each access network device can choose a management node to associate with (or register with), and can send a first registration request to the associated (or registered) management node, including information such as the access network device's location, the frequency band it uses, and interference calculation information. The management node (e.g., Figure 10The management node 2) can obtain the location, frequency band, and interference calculation information of at least one access network device associated with the management node by receiving the first registration request sent by at least one associated access network device, and can summarize and send the location, frequency band, and interference calculation information of at least one access network device associated with the management node to the NEF network element.

[0213] S1002: The satellite control center sends a third registration request to the NEF network element, and the NEF network element receives the third registration request accordingly.

[0214] The third registration request may include information about the satellite's frequency band and the interference zone where the satellite performs the first service, or it may include information used to determine the satellite's frequency band and the interference zone where the satellite performs the first service. Optionally, the third registration request may also include interference calculation information for the satellite. For details regarding the satellite's interference calculation information, please refer to... Figure 4 The description of the embodiments will not be repeated.

[0215] It should be understood that S1002 can be executed before, after, or simultaneously with S1001. This application does not impose any restrictions on the order in which S1002 and S1001 are executed. Furthermore, if the information contained in the second registration request is pre-configured in the NEF network element, S1002 may not need to be executed.

[0216] S1003: The NEF network element sends control policies to N management nodes out of M management nodes, and correspondingly, the N management nodes receive the control policies. Here, M and N are integers, and N is less than or equal to M.

[0217] This control strategy is used to reduce the interference of at least one access network device associated with a management node to the satellite, so that the aggregate interference value of one or more first access network devices associated with M management nodes is lower than a first threshold.

[0218] S1004: The management node controls at least one access network device associated with the management node according to the control policy.

[0219] For details on how the NEF network elements involved in S1003 and S1004 above issue control policies, and how the management node controls at least one associated access network device according to the control policies, please refer to [reference needed]. Figure 4 The descriptions of S403 and S404 in the embodiments will not be repeated here.

[0220] It is understood that, in order to implement the functions in the above method embodiments, the management node and control node include hardware structures and / or software modules corresponding to the execution of each function. Those skilled in the art should readily recognize that, based on the units and method steps of the various examples described in conjunction with the embodiments disclosed in this application, this application can be implemented in hardware or a combination of hardware and computer software. Whether a function is executed in hardware or by computer software driving hardware depends on the specific application scenario and design constraints of the technical solution.

[0221] Figure 11 and Figure 12 The diagram illustrates the possible communication devices provided in the embodiments of this application. These communication devices can be used to implement the functions of the management node or control node in the above method embodiments, and thus can also achieve the beneficial effects of the above method embodiments.

[0222] like Figure 11 As shown, the communication device 1100 includes a processing unit 1110 and an interface unit 1120, wherein the interface unit 1120 may also be a transceiver unit or an input / output interface. The communication device 1100 can be used to implement the above-mentioned... Figure 4 or Figure 8 or Figure 9 or Figure 10 The method embodiments shown depict the functions of the first or second communication device.

[0223] When the communication device 1100 is used to implement Figure 4 or Figure 8 or Figure 9 or Figure 10 When managing the node's function in the method embodiment shown:

[0224] Interface unit 1120 is configured to send first information to the control node, the first information including the location, frequency band, and interference calculation information of at least one access network device associated with communication device 1100; receive control policy from the control node, the control policy being determined by the control node based on the first information sent by at least one communication device, including communication device 1100, as well as the frequency band of the satellite and the interference zone where the satellite performs the first service, the control policy being used to instruct the reduction of interference to the satellite by at least one access network device associated with communication device 1100; and processing unit 1110 is configured to control at least one access network device associated with communication device 1100 according to the control policy.

[0225] In one possible design, the first information also includes a virtual identifier of at least one access network device associated with the communication device 1100; the control strategy also includes a virtual identifier of one or more first access network devices associated with the communication device 1100, wherein the first access network device is an access network device that intersects with the frequency band of the satellite and is located in the interference zone where the satellite performs the first service.

[0226] In one possible design, the control strategy also includes interference values ​​for the satellite from one or more first access network devices.

[0227] In one possible design, the control strategy is specifically used to instruct the reduction of the transmit power of one or more first access network devices associated with the communication device 1100.

[0228] In one possible design, the processing unit 1110 is further configured to determine, based on the load information of one or more first access network devices, the proportion or threshold at which each of the one or more first access network devices is allowed to adjust its transmit power; when the processing unit 1110 controls at least one access network device associated with the communication device 1100 according to the control strategy, it is specifically configured to control one or more first access network devices associated with the communication device 1100 according to the control strategy and the proportion or threshold at which each of the one or more first access network devices is allowed to adjust its transmit power.

[0229] In one possible design, the control strategy is specifically used to instruct changes to the frequency band used by one or more first access network devices associated with the communication device 1100.

[0230] In one possible design, the processing unit 1110 is further configured to determine, based on the load information of one or more first access network devices, whether each of the one or more first access network devices is allowed to change the frequency band it uses; when the processing unit 1110 controls at least one access network device associated with the communication device 1100 according to the control strategy, it is specifically configured to control one or more first access network devices associated with the communication device 1100 according to the control strategy and whether each of the one or more first access network devices is allowed to change the frequency band it uses.

[0231] In one possible design, the control strategy is specifically used to instruct the cessation of operation of one or more first access network devices associated with the communication device 1100.

[0232] In one possible design, the processing unit 1110 is further configured to determine, based on the load information of one or more first access network devices, whether each of the one or more first access network devices is allowed to be stopped working; when the processing unit 1110 controls at least one access network device associated with the communication device 1100 according to the control policy, it is specifically configured to control one or more first access network devices associated with the communication device 1100 according to the control policy and whether each of the one or more first access network devices is allowed to be stopped working.

[0233] When the communication device 1100 is used to implement Figure 4 or Figure 8 or Figure 9 or Figure 10 When controlling the function of the node in the method embodiment shown:

[0234] Interface unit 1120 is configured to receive M first pieces of information from M management nodes, wherein the first pieces of information from any management node include the location, frequency band, and interference calculation information of at least one access network device associated with the management node; processing unit 1110 is configured to determine the interference value of one or more first access network devices associated with the M management nodes to the satellite when the satellite performs the first service, based on the satellite's frequency band, the interference zone where the satellite performs the first service, and the M first pieces of information, wherein the first access network device is an access network device whose frequency band intersects with the satellite and is located within the interference zone; interface unit 1120 is further configured to send a control policy to N management nodes among the M management nodes when the aggregate interference value of one or more first access network devices associated with the M management nodes to the satellite is greater than a first threshold, wherein the control policy is used to instruct the reduction of the interference of at least one first access network device associated with the management node to the satellite, so that the aggregate interference value of one or more first access network devices associated with the M management nodes to the satellite is lower than the first threshold.

[0235] In one possible design, the first information from any management node also includes the virtual identifier of at least one access network device associated with the management node; the N management nodes include the first management node, and the control policy sent by the interface unit 1120 to the first management node also includes the virtual identifier of one or more first access network devices associated with the first management node.

[0236] In one possible design, the control strategy also includes interference values ​​for the satellite from one or more first access network devices.

[0237] In one possible design, the N management nodes include a first management node, and the control policy is specifically used to instruct the reduction of the transmit power of one or more first access network devices associated with the first management node.

[0238] In one possible design, the N management nodes include a first management node, and the control policy is specifically used to instruct changes to the frequency bands used by one or more first access network devices associated with the first management node.

[0239] In one possible design, the N management nodes include a first management node, and the control policy is specifically used to instruct the cessation of operation of one or more first access network devices associated with the first management node.

[0240] In one possible design, the interference calculation information of the access network device includes one or more of the following: the antenna polarization of the access network device, the antenna transmit power, the antenna transmit gain, or EIRP.

[0241] In one possible design, the interface unit 1120 is also used to acquire interference calculation information of the satellite; when the processing unit 1110 determines the interference values ​​of one or more first access network devices associated with the M management nodes to the satellite when the satellite is performing the first service, based on the satellite's frequency band, the interference zone of the satellite performing the first service, and M first pieces of information, it is specifically used to: determine the interference values ​​of one or more first access network devices associated with the M management nodes to the satellite when the satellite is performing the first service, based on the satellite's frequency band, the interference zone of the satellite performing the first service, the M first pieces of information, and the interference calculation information of the satellite.

[0242] In one possible design, the satellite's interference calculation information includes one or more of the following: the satellite's antenna receiving gain, the satellite's propagation loss information, or the satellite's antenna polarization.

[0243] like Figure 12 As shown, this application also provides a communication device 1200, including a processor 1210 and potentially a communication interface 1220. The processor 1210 and the communication interface 1220 are coupled to each other. It is understood that the communication interface 1220 can be a transceiver, input / output interface, input interface, output interface, interface circuit, etc. Optionally, the communication device 1200 may further include a memory 1230 for storing instructions executed by the processor 1210, or storing input data required by the processor 1210 to execute instructions, or storing data generated after the processor 1210 executes instructions. The memory 1230 can be a physically independent unit, or it can be coupled to the processor 1210, or the processor 1210 may include the memory 1230.

[0244] When the communication device 1200 is used to implement Figure 4 or Figure 8 or Figure 9 or Figure 10In the method shown, processor 1210 can be used to implement the functions of the processing unit 1110, and communication interface 1220 can be used to implement the functions of the interface unit 1120.

[0245] It is understood that the processor in the embodiments of this application can be a central processing unit (CPU), or other general-purpose processors, digital signal processors (DSPs), application-specific integrated circuits (ASICs), logic circuits, field-programmable gate arrays (FPGAs), or other programmable logic devices, transistor logic devices, hardware components, or any combination thereof. A general-purpose processor can be a microprocessor or any conventional processor.

[0246] The method steps in the embodiments of this application can be implemented in hardware or by a processor executing software instructions. The software instructions can consist of corresponding software modules, which can be stored in random access memory, flash memory, read-only memory, programmable read-only memory, erasable programmable read-only memory, electrically erasable programmable read-only memory, registers, hard disks, portable hard disks, CD-ROMs, or any other form of storage medium known in the art. An exemplary storage medium is coupled to a processor, enabling the processor to read information from and write information to the storage medium. Of course, the storage medium can also be a component of the processor. The processor and storage medium can reside in an ASIC. Additionally, the ASIC can reside in a network device or terminal device. Alternatively, the processor and storage medium can exist as discrete components in the network device or terminal device.

[0247] In the above embodiments, implementation can be achieved entirely or partially through software, hardware, firmware, or any combination thereof. When implemented using software, it can be implemented entirely or partially in the form of a computer program product. The computer program product includes one or more computer programs or instructions. When the computer program or instructions are loaded and executed on a computer, the processes or functions described in the embodiments of this application are performed entirely or partially. The computer can be a general-purpose computer, a special-purpose computer, a computer network, a network device, a user equipment, or other programmable device. The computer program or instructions can be stored in a computer-readable storage medium or transferred from one computer-readable storage medium to another. For example, the computer program or instructions can be transferred from one network device, terminal, computer, server, or data center to another network device, terminal, computer, server, or data center via wired or wireless means. The computer-readable storage medium can be any available medium that a computer can access or a data storage device such as a server or data center that integrates one or more available media. The available medium can be a magnetic medium, such as a floppy disk, hard disk, or magnetic tape; it can also be an optical medium, such as a digital video optical disc; or it can be a semiconductor medium, such as a solid-state drive. The computer-readable storage medium may be a volatile or non-volatile storage medium, or may include both types of storage media.

[0248] In the various embodiments of this application, unless otherwise specified or in case of logical conflict, the terminology and / or descriptions of different embodiments are consistent and can be referenced by each other. The technical features of different embodiments can be combined to form new embodiments according to their inherent logical relationship.

[0249] Additionally, it should be understood that in the embodiments of this application, the term "exemplary" is used to indicate that it is an example, illustration, or description. Any embodiment or design scheme described as "exemplary" in this application should not be construed as being more preferred or advantageous than other embodiments or design schemes. Specifically, the use of the term "exemplary" is intended to present the concept in a concrete manner.

[0250] It is understood that the various numerical designations used in the embodiments of this application are merely for descriptive convenience and are not intended to limit the scope of the embodiments of this application. The order of the process numbers described above does not imply the order of execution; the execution order of each process should be determined by its function and internal logic.

Claims

1. A communication method, characterized in that, include: The management node sends first information to the control node, the first information including the location of at least one access network device associated with the management node, the frequency band used, and interference calculation information; The management node receives a control policy from the control node. The control policy is determined by the control node based on first information sent by at least one management node, including the management node, as well as the satellite's frequency band and the interference zone where the satellite performs the first service. The control policy is used to instruct at least one access network device associated with the management node to reduce interference to the satellite. The management node controls at least one access network device associated with it according to the control policy.

2. The method as described in claim 1, characterized in that, The first information also includes a virtual identifier of at least one access network device associated with the management node; the control policy also includes a virtual identifier of one or more first access network devices associated with the management node, wherein the first access network device is an access network device whose frequency band intersects with that of the satellite and is located in the interference zone where the satellite performs the first service.

3. The method as described in claim 2, characterized in that, The control strategy also includes the interference values ​​of the one or more first access network devices to the satellite.

4. The method as described in claim 2 or 3, characterized in that, The control strategy is specifically used to instruct the reduction of the transmit power of one or more first access network devices associated with the management node.

5. The method as described in claim 4, characterized in that, The method further includes: The management node determines the percentage or threshold for each of the one or more first access network devices to adjust its transmit power based on the load information of the first access network devices. The management node controls at least one access network device associated with it according to the control policy, including: The management node controls one or more first access network devices associated with the management node according to the control policy and the proportion or threshold that each of the one or more first access network devices is allowed to adjust its transmit power.

6. The method as described in claim 2 or 3, characterized in that, The control policy is specifically used to instruct changes to the frequency bands used by one or more first access network devices associated with the management node.

7. The method as described in claim 6, characterized in that, The method further includes: The management node determines, based on the load information of the one or more first access network devices, whether each of the one or more first access network devices is allowed to change the frequency band it uses; The management node controls at least one access network device associated with it according to the control policy, including: The management node controls one or more first access network devices associated with the management node based on the control policy and whether each of the one or more first access network devices is allowed to change the frequency band it uses.

8. The method as described in claim 2 or 3, characterized in that, The control policy is specifically used to instruct the cessation of operation of one or more first access network devices associated with the management node.

9. The method as described in claim 8, characterized in that, The method further includes: The management node determines, based on the load information of the one or more first access network devices, whether each of the one or more first access network devices is allowed to be stopped from working. The management node controls at least one access network device associated with it according to the control policy, including: The management node controls one or more first access network devices associated with it based on the control policy and whether each of the one or more first access network devices is allowed to be stopped.

10. A communication method, characterized in that, include: The control node receives M pieces of first information from M management nodes, wherein the first information from any management node includes the location of at least one access network device associated with the management node, the frequency band used, and interference calculation information; The control node determines the interference values ​​of one or more first access network devices associated with the M management nodes to the satellite when the satellite performs the first service, based on the satellite's frequency band, the interference zone in which the satellite performs the first service, and the M first pieces of information. The first access network device is an access network device that intersects with the satellite's frequency band and is located within the interference zone. If the aggregate interference value of one or more first access network devices associated with the M management nodes to the satellite exceeds a first threshold, the control node sends a control policy to N management nodes among the M management nodes. The control policy is used to instruct the reduction of interference of at least one first access network device associated with the management node to the satellite, so that the aggregate interference value of one or more first access network devices associated with the M management nodes to the satellite is lower than the first threshold.

11. The method as described in claim 10, characterized in that, The first information from any management node also includes the virtual identifier of at least one access network device associated with the management node; The N management nodes include a first management node, and the control policy sent by the control node to the first management node also includes the virtual identifier of one or more first access network devices associated with the first management node.

12. The method as described in claim 11, characterized in that, The control strategy also includes the interference values ​​of the one or more first access network devices to the satellite.

13. The method according to any one of claims 10-12, characterized in that, The N management nodes include a first management node, and the control policy is specifically used to instruct the reduction of the transmit power of one or more first access network devices associated with the first management node.

14. The method according to any one of claims 10-12, characterized in that, The N management nodes include a first management node, and the control policy is specifically used to instruct the change of the frequency band used by one or more first access network devices associated with the first management node.

15. The method according to any one of claims 10-12, characterized in that, The N management nodes include a first management node, and the control policy is specifically used to instruct the cessation of operation of one or more first access network devices associated with the first management node.

16. The method according to any one of claims 10-15, characterized in that, The interference calculation information of the access network device includes one or more of the following: The antenna polarization, antenna transmit power, antenna transmit gain, or equivalent isotropic radiated power (EIRP) of the access network equipment.

17. The method according to any one of claims 10-16, characterized in that, The method further includes: The control node acquires the interference calculation information of the satellite; The control node determines the interference values ​​of one or more first access network devices associated with the M management nodes on the satellite when the satellite performs the first service, based on the satellite's frequency band, the interference zone where the satellite performs the first service, and the M pieces of first information. This includes: The control node determines the interference values ​​of one or more first access network devices associated with the M management nodes on the satellite when the satellite performs the first service, based on the satellite's frequency band, the interference zone where the satellite performs the first service, the M first pieces of information, and the satellite's interference calculation information.

18. The method as described in claim 17, characterized in that, The interference calculation information of the satellite includes one or more of the following: The satellite's antenna receiving gain, the satellite's propagation loss information, or the satellite's antenna polarization mode.

19. A communication device, characterized in that, Includes interface units and processing units; The interface unit is used to receive and send data; A processing unit is configured to perform the method as described in any one of claims 1-9 or 10-18 via the interface unit.

20. A communication device, characterized in that, The device includes a processor and an interface circuit. The interface circuit is used to receive signals from other communication devices besides the communication device and transmit them to the processor, or to send signals from the processor to other communication devices besides the communication device. The processor is used to implement the method as described in any one of claims 1-9 or 10-18 through logic circuits or execution instructions.

21. A computer program product, characterized in that, It includes instructions that, when executed, cause the method as described in any one of claims 1-9 or 10-18 to be implemented.

22. A chip system, characterized in that, The system includes a processor for coupling with a memory for storing a program or instructions that, when executed by the processor, implement the method as described in any one of claims 1-9 or 10-18.

23. A computer-readable storage medium, characterized in that, The storage medium stores a computer program or instructions that, when executed, cause the method as described in any one of claims 1-9 or 10-18 to be implemented.

24. A communication system, characterized in that, Includes management nodes and control nodes; The management node is used to implement the method as described in any one of claims 1-9; The control node is used to implement the method as described in any one of claims 10-18.

Images