Communication method and apparatus

Abstract

The present application relates to the field of communications, and provides a communication method and apparatus, capable of avoiding interference with legal unmanned aerial vehicles while interfering with illegal unmanned aerial vehicles. The method comprises: a first network element acquires location information of a target device; on the basis of the location information of the target device, determining a first wireless access network device used to interfere with the target device; and sending first information. The target device is located within a signal coverage area of the first wireless access network device, the first information is used for instructing to move a first terminal device out of the signal coverage area of the first wireless access network device, and the first terminal device is a terminal device within the signal coverage area of the first wireless access network device.

Description

Communication method and device

[0001] This application claims priority to the Chinese patent application filed with the State Intellectual Property Office on August 30, 2023, with application number 202311127411.2 and application name “A Communication Method and Device”, the entire contents of which are incorporated by reference into this application. Technical Field

[0002] The embodiments of the present application relate to the field of communications, and in particular to a communication method and apparatus. Background Art

[0003] Drone countermeasures refer to the use of a range of technical means to counter illegal drones, including wireless jamming and network patching. Wireless jamming interferes with illegal drones by using their positioning systems or manipulating their radio signals, causing them to lose control and make forced landings, hover, or return.

[0004] Wireless jamming techniques typically use blocking, sweeping, and aiming jamming to disrupt illegal drones. However, blocking jamming is inefficient, while aiming jamming is limited in the number of signal sources (such as drones). This means that when there are numerous and densely packed signal sources and frequency bands, it is impossible to detect illegal drones. Therefore, sweeping jamming is currently the most commonly used technique.

[0005] However, sweep-frequency jamming technology can interfere with legitimate drones within the jamming beam coverage area. Therefore, how to prevent legitimate drones from being interfered with while jamming illegal drones is an urgent problem to be solved.

[0006] Summary of the Invention

[0007] The present application provides a communication method and device that can interfere with illegal drones while preventing legitimate drones from being interfered with.

[0008] In a first aspect, a communication method is provided. The method can be executed by a first network element, or by a component of the first network element, such as a processor, chip, or chip system of the first network element, or by a logic module or software capable of implementing all or part of the functions of the first network element. The method includes: obtaining location information of a target device; determining, based on the location information of the target device, a first radio access network device that interferes with the target device, where the target device is within a signal coverage range of the first radio access network device; and sending first information, where the first information instructs a first terminal device to be removed from the signal coverage range of the first radio access network device, where the first terminal device is within the signal coverage range of the first radio access network device.

[0009] Based on this solution, when both the first terminal device and the target device exist within the signal coverage of the first radio access network device, the first radio access network device that is about to interfere with the target device can send first information to instruct the first terminal device to move out of the signal coverage of the first radio access network device. Therefore, the first access network device can subsequently interfere with the target device after the first terminal device moves out of the signal coverage of the first radio access network device, thereby preventing the first terminal device from being interfered with.

[0010] In one possible design, determining the first terminal device includes: the signal coverage range of the first wireless access network device is the signal coverage range when the first wireless access network device sends a signal according to a first power, and the first power is greater than or equal to the current signal transmission power of the first wireless access network device.

[0011] Based on this possible design, since when the first wireless access network device uses the first power to interfere with the target device, all terminal devices within the signal coverage range when the first wireless access network device sends signals at the first power will be interfered with, the terminal devices within the signal coverage range when the first wireless access network device sends signals at the first power are determined as the first terminal devices, and then the first terminal devices can be migrated out of the signal coverage range of the first wireless access network device to avoid interference to the first terminal device when the first wireless access network device interferes with the target device.

[0012] In one possible design, the communication method also includes: receiving second information, the second information indicating that the first terminal device has successfully migrated; and sending third information to the first wireless access network device, the third information indicating that the first wireless access network device interferes with the target device.

[0013] In one possible design, the fourth information also includes first location information, and the first location information indicates the location of the target device after the interference; when the fourth information indicates that the interference fails on the first frequency band, the communication method also includes: determining a third wireless access network device that will interfere with the target device after the interference based on the first location information, and the location of the target device after the interference is within the signal coverage range of the third wireless access network device.

[0014] In a second aspect, a communication method is provided. The method can be executed by a first network element, or by a component of the first network element, such as a processor, chip, or chip system of the first network element, or by a logic module or software capable of implementing all or part of the functions of the first network element. The method includes: obtaining location information of a target device; determining, based on the location information of the target device, a first radio access network device and a second radio access network device, that the target device is within the signal coverage range of the first radio access network device, that the first radio access network device will interfere with the target device, that the second radio access network device is a serving radio access network device of a third terminal device, and that the third terminal device is within the signal coverage range of the first radio access network device; and transmitting ninth information, wherein the ninth information instructs the second radio access network device to request that the third terminal device be handed over to the first radio access network device.

[0015] Based on this solution, if both a third terminal device and a target device exist within the signal coverage of the first radio access network device, the first network element can instruct the second radio access network device to switch the third terminal device to the first radio access network device. Therefore, after the third terminal device subsequently connects to the first radio access network device, the first radio access network device can learn the time of the third terminal device's communication service. This allows the first radio access network device to consider the time of the third terminal device's communication service when interfering with the target device. For example, interfering with the target device at a time other than the third terminal device's communication service time can prevent the third terminal device from being interfered with.

[0016] In one possible design, determining the second wireless access network device includes: determining a first interference range based on a first power, the first power being greater than or equal to a current signal transmission power of the first wireless access network device, and the first interference range being a signal coverage range when the first wireless access network device transmits a signal according to the first power; determining, among at least one terminal device within the first interference range, a terminal device whose serving wireless access network device is not the first wireless access network device as a third terminal device; and determining the serving wireless access network device of the third terminal device as the second wireless access network device.

[0017] Based on this possible design, since the first interference range is determined according to the first power, when the first wireless access network device subsequently uses the first power to interfere with the target device, all terminal devices within the first interference range will be interfered with. Therefore, among the terminal devices within the first interference range, the terminal device whose service wireless access network device is not the first wireless access network device is determined as the third terminal device, and then the third terminal device is switched from the second wireless access network device to the first wireless access network device, thereby avoiding the first terminal device being interfered with when the first wireless access network device interferes with the target device.

[0018] In one possible design, the communication method further includes: sending third information, where the third information instructs the first wireless access network device to interfere with the target device.

[0019] In one possible design, the fourth information also includes first location information, and the first location information indicates the location of the target device after being interfered with; when the fourth information indicates that the interference fails on the first frequency band, the communication method also includes: determining a third wireless access network device and a fourth wireless access network device based on the first location information, the third wireless access network device is used to interfere with the target device, the fourth wireless access network device is a service wireless access network device for the fifth terminal device, the fifth terminal device is located within the signal coverage range of the third wireless access network device, and the location of the target device after being interfered with is located within the signal coverage range of the third wireless access network device.

[0020] In combination with the first aspect and the second aspect, in a possible design, the communication method also includes: receiving fourth information, the fourth information indicating whether the interference is successful on the first frequency band, and the first frequency band is one of the at least one frequency bands of the first wireless access network device.

[0021] In combination with the first aspect and the second aspect, in one possible design, the fourth information includes status information of the target device; the status information includes first status information or second status information. When the interference is successful on the first frequency band, the status information is the first status information; when the interference fails on the first frequency band, the status information is the second status information.

[0022] In combination with the first and second aspects, in one possible design, the first status information indicates that the target device continues to move away from the center of the signal coverage range of the first cell, or the target device continues to land within the signal coverage range of the first cell, and the frequency point of the first cell is within the first frequency band.

[0023] In combination with the first aspect and the second aspect, in one possible design, the communication method also includes: receiving fifth information, the fifth information indicating a second interference range; and determining whether the interference is successful within the second interference range when the fourth information indicates that the interference is successful on the first frequency band.

[0024] In combination with the first aspect and the second aspect, in a possible design, the fourth information also includes first position information, which indicates the position of the target device after the interference; when the position of the target device after the interference is outside the second interference range, the interference is successful within the second interference range; when the position of the target device after the interference is within the second interference range, the interference fails within the second interference range.

[0025] In combination with the first aspect and the second aspect, in a possible design, when the fourth information indicates that the interference is successful in the first frequency band and the position of the target device after the interference is outside the second interference range, the communication method also includes: sending sixth information, and the sixth information indicates that the interference is successful within the second interference range.

[0026] In combination with the first aspect and the second aspect, in one possible design, when the fourth information indicates that the interference is successful on the first frequency band and the position of the target device after the interference is within the second interference range, the communication method further includes: when the position of the target device after the interference is outside the signal coverage range of the cell in the first frequency band, determining, based on the first position information, a third wireless access network device that will interfere with the target device after the interference, and the position of the target device after the interference is within the signal coverage range of the third wireless access network device.

[0027] In combination with the first and second aspects, in one possible design, when the location of the target device after being interfered is within the signal coverage range of the cell of the first frequency band, seventh information is sent to the first wireless access network device, and the seventh information instructs the first wireless access network device to continue to interfere with the target device on the first frequency band.

[0028] In a third aspect, a communication method is provided. The method can be performed by a first radio access network device, or by a component of the first radio access network device, such as a processor, chip, or chip system of the first radio access network device, or by a logic module or software capable of implementing all or part of the functions of the first radio access network device. The method includes: when a first terminal device successfully migrates from a signal coverage range of the first radio access network device, interfering with a target device, the target device being within the signal coverage range of the first radio access network device.

[0029] Based on this solution, since the first terminal device successfully migrates from the signal coverage range of the first wireless access network device, the first access network device can avoid interfering with the target device when interfering with the first terminal device.

[0030] In one possible design, interfering with a target device includes sending a first noise signal, where the first noise signal is carried in a first time unit, and the first time unit includes at least one downlink time unit.

[0031] Based on this possible design, the first radio access network device can send the first noise signal in at least one downlink time unit. For example, the first noise signal can be sent in continuous downlink time units, thereby being able to continuously interfere with the target device, causing the target device to be continuously interfered with, thereby increasing the packet loss rate of the target device and improving the interference effect.

[0032] In a fourth aspect, a communication method is provided. The method can be performed by a first radio access network device, or by a component of the first radio access network device, such as a processor, chip, or chip system of the first radio access network device, or by a logic module or software capable of implementing all or part of the functions of the first radio access network device. The method includes: when a third terminal device switches from a second radio access network device to the first radio access network device, interfering with a target device, where the target device and the third terminal device are within the signal coverage of the first radio access network device.

[0033] Based on this solution, after the third terminal device switches from the second radio access network device to the first radio access network device, the first radio access network device can interfere with the target device, thereby preventing the third terminal device from being interfered with.

[0034] In one possible design, interfering with a target device includes sending a second noise signal, where the second noise signal is carried in a second time unit, and the second time unit is a time unit that does not carry downlink information in at least one downlink time unit.

[0035] Based on this possible design, after the third terminal device switches from the second radio access network device to the first radio access network device, the third terminal device can communicate with the first radio access network device. The second noise signal is transmitted during time periods that do not carry downlink information. In other words, the first radio access network device transmits the second noise signal during time periods when it is not communicating with the third terminal device. This prevents interference with the third terminal device's communication services.

[0036] In combination with the third aspect and the fourth aspect, in one possible design, interfering with the target device includes: interfering with the target device on a first frequency band, where the first frequency band is one of at least one frequency band of a first wireless access network device; the communication method also includes: sending fourth information, where the fourth information indicates whether the interference is successful on the first frequency band.

[0037] In combination with the third aspect and the fourth aspect, in one possible design, if the preset condition is met, the fourth information indicates that the interference on the first frequency band is successful; if the preset condition is not met, the fourth information indicates that the interference on the first frequency band is failed;

[0038] The preset conditions include: during the interference with the target device, the first distance is greater than the second distance, the first distance is the distance between the target device and the center of the signal coverage of the first cell at a first moment, the second distance is the distance between the target device and the center of the signal coverage of the first cell at a second moment, and the first moment is after the second moment; and / or,

[0039] During the interference with the target device, the height of the target device at the third moment is lower than the height of the target device at the fourth moment, and the third moment is located after the fourth moment.

[0040] In combination with the third and fourth aspects, in one possible design, the fourth information includes status information of the target device. In the process of interfering with the target device, when the first distance is greater than the second distance, the status information indicates that the target device continues to move away from the center of the signal coverage range of the first cell; in the process of interfering with the target device, when the height of the target device at the third moment is lower than the height of the target device at the fourth moment, the status information includes that the target device continues to descend within the signal coverage range of the first cell.

[0041] In a fifth aspect, a communication method is provided. The method can be executed by a second radio access network device, or by a component of the second radio access network device, such as a processor, chip, or chip system of the second radio access network device, or by a logic module or software capable of implementing all or part of the functions of the second radio access network device. The method includes: receiving ninth information instructing the second radio access network device to request handover of a third terminal device to the first radio access network device; and sending tenth information to the first radio access network device, the tenth information being used to request handover of a third terminal device served by the second radio access network device to the first radio access network device, where the third terminal device is within the signal coverage of the first radio access network device.

[0042] Based on this scheme, the second wireless access network device can, according to the instructions of the ninth information, request the first wireless access network device to switch the third terminal device (located within the coverage range of the first signal, and the serving wireless access network device is a terminal device of the second serving wireless access network device) to the first wireless access network device, so that after the third terminal device switches from the second wireless access network device to the first wireless access network device, the first wireless access network device can interfere with the target device, thereby avoiding interference to the third terminal device.

[0043] In combination with the third aspect and the fifth aspect, in a possible design, the ninth information is also used to indicate address information of the first radio access network device.

[0044] In a sixth aspect, a communication device is provided for implementing various methods. The communication device may be the first network element in the first or second aspect, or a device included in the first network element, such as a chip or a chip system; or the communication device may be the first radio access network device in the third or fourth aspect, or a device included in the first radio access network device, such as a chip or a chip system; or the communication device may be the second radio access network device in the fifth aspect, or a device included in the second radio access network device, such as a chip or a chip system. The communication device includes a module, unit, or means corresponding to the implementation method, and the module, unit, or means may be implemented by hardware, software, or by executing the corresponding software implementation by hardware. The hardware or software includes one or more modules or units corresponding to the functions.

[0045] In some possible designs, the communication device may include a processing module and a transceiver module. The processing module may be configured to implement the processing functionality of any of the above aspects and any possible implementations thereof. The transceiver module may include a receiving module and a transmitting module, respectively configured to implement the receiving functionality and the transmitting functionality of any of the above aspects and any possible implementations thereof.

[0046] In some possible designs, the transceiver module may be composed of a transceiver circuit, a transceiver, a transceiver or a communication interface.

[0047] In a seventh aspect, a communication device is provided, comprising: a processor and a memory; the memory is configured to store computer instructions, and when the processor executes the instructions, the communication device performs the method described in any aspect. The communication device may be the first network element described in the first or second aspect, or a device included in the first network element, such as a chip or a chip system; or the communication device may be the first radio access network device described in the third or fourth aspect, or a device included in the first radio access network device, such as a chip or a chip system; or the communication device may be the second radio access network device described in the fifth aspect, or a device included in the second radio access network device, such as a chip or a chip system.

[0048] In an eighth aspect, a communication device is provided, comprising: a processor and a communication interface; the communication interface is configured to communicate with a module outside the communication device; and the processor is configured to execute a computer program or instruction to cause the communication device to perform the method described in any aspect. The communication device may be the first network element described in the first or second aspect, or a device included in the first network element, such as a chip or a chip system; or the communication device may be the first radio access network device described in the third or fourth aspect, or a device included in the first radio access network device, such as a chip or a chip system; or the communication device may be the second radio access network device described in the fifth aspect, or a device included in the second radio access network device, such as a chip or a chip system.

[0049] In a ninth aspect, a communication device is provided, comprising: at least one processor; the processor is configured to execute a computer program or instruction stored in a memory, so that the communication device performs the method described in any one of the aspects. The memory may be coupled to the processor, or may be independent of the processor. The communication device may be the first network element in the first or second aspect, or a device included in the first network element, such as a chip or a chip system; or the communication device may be the first radio access network device in the third or fourth aspect, or a device included in the first radio access network device, such as a chip or a chip system; or the communication device may be the second radio access network device in the fifth aspect, or a device included in the second radio access network device, such as a chip or a chip system.

[0050] In some possible designs, the communication device includes a memory for storing necessary program instructions and data.

[0051] In some possible designs, when the device is a chip system, it can be composed of a chip or include a chip and other discrete devices.

[0052] It can be understood that when the communication device provided in any one of the sixth to ninth aspects is a chip, the sending action / function of the communication device can be understood as output information, and the receiving action / function of the communication device can be understood as input information.

[0053] In a tenth aspect, a computer-readable storage medium is provided, in which a computer program or instruction is stored. When the computer-readable storage medium is run on a communication device, the communication device can execute the method described in any one of the aspects.

[0054] In an eleventh aspect, a computer program product comprising instructions is provided, which, when executed on a communication device, enables the communication device to perform the method described in any one of the aspects.

[0055] In the twelfth aspect, a chip is provided, comprising: a processor, the processor being coupled to a memory, the memory being used to store programs or instructions, and when the programs or instructions are executed by the processor, the chip executes the method described in any one of the aspects.

[0056] Among them, the technical effects brought about by any design method in the sixth to twelfth aspects can refer to the technical effects brought about by different design methods in the first to fifth aspects, and will not be repeated here. BRIEF DESCRIPTION OF THE DRAWINGS

[0057] FIG1 is a schematic diagram of a spectrum sensing principle provided by the present application;

[0058] FIG2 is a schematic diagram of another spectrum sensing principle provided by the present application;

[0059] FIG3 is a schematic diagram of a drone authentication management architecture provided by this application;

[0060] FIG4 is a schematic diagram of a process for determining illegal objects provided by the present application;

[0061] FIG5 is a schematic diagram of the principle of a frequency sweep jamming technology provided by the present application;

[0062] FIG6 is a schematic diagram of the architecture of a mobile communication system used in an embodiment of the present application;

[0063] FIG7 is a schematic diagram of the architecture of another mobile communication system applied in an embodiment of the present application;

[0064] FIG8 is a schematic diagram of the architecture of another mobile communication system applied in an embodiment of the present application;

[0065] FIG9 is a schematic diagram of the architecture of another mobile communication system applied in an embodiment of the present application;

[0066] FIG10 is a flow chart of a communication method provided by the present application;

[0067] FIG11 is a flow chart of another communication method provided by the present application;

[0068] FIG12 is a schematic diagram of a signal coverage range provided by the present application;

[0069] FIG13 is a flow chart of another communication method provided by the present application;

[0070] FIG14 is a schematic diagram of a terminal device provided by the present application that serves different wireless access network devices;

[0071] FIG15 is a schematic diagram of the position of a target object at different times provided by the present application;

[0072] FIG16 is a schematic diagram of the height of a target object at different times provided by the present application;

[0073] FIG17 is a flow chart of another communication method provided by the present application;

[0074] FIG18 is a flow chart of another communication method provided by the present application;

[0075] FIG19 is a flow chart of another communication method provided by the present application;

[0076] FIG20 is a flow chart of another communication method provided by the present application;

[0077] FIG21 is a flow chart of another communication method provided by the present application;

[0078] FIG22 is a flow chart of another communication method provided by the present application;

[0079] FIG23 is a flow chart of another communication method provided by the present application;

[0080] FIG24 is a schematic structural diagram of a communication device provided by the present application;

[0081] FIG25 is a schematic structural diagram of another communication device provided by the present application;

[0082] FIG26 is a schematic structural diagram of another communication device provided in this application. DETAILED DESCRIPTION

[0083] In the description of this application, unless otherwise specified, " / " indicates that the objects associated before and after are in an "or" relationship, for example, A / B can represent A or B; "and / or" in this application is merely a description of the association relationship of associated objects, indicating that three relationships may exist, for example, A and / or B can represent: A exists alone, A and B exist at the same time, and B exists alone, where A and B can be singular or plural.

[0084] In the description of this application, unless otherwise specified, "plurality" means two or more than two. "At least one of the following" or similar expressions refers to any combination of these items, including any combination of single or plural items. For example, at least one of a, b, or c can mean: a, b, c, ab, ac, bc, or abc, where a, b, and c can be single or plural.

[0085] In addition, to facilitate the clear description of the technical solutions of the embodiments of the present application, in the embodiments of the present application, the words "first" and "second" are used to distinguish between identical or similar items with substantially the same functions and effects. Those skilled in the art will understand that the words "first" and "second" do not limit the quantity or execution order, and the words "first" and "second" do not necessarily mean different.

[0086] In the embodiments of this application, words such as "exemplary" or "for example" are used to indicate examples, illustrations, or descriptions. Any embodiment or design described as "exemplary" or "for example" in the embodiments of this application should not be construed as being preferred or advantageous over other embodiments or designs. Rather, the use of words such as "exemplary" or "for example" is intended to present the relevant concepts in a concrete manner to facilitate understanding.

[0087] It will be understood that the “embodiment” mentioned throughout the specification means that the specific features, structures or characteristics related to the embodiment are included in at least one embodiment of the present application. Therefore, the various embodiments throughout the specification do not necessarily refer to the same embodiment. In addition, these specific features, structures or characteristics can be combined in one or more embodiments in any suitable manner. It will be understood that in the various embodiments of the present application, the size of the sequence number of each process does not mean the order of execution. The execution order of each process should be determined by its function and internal logic, and should not constitute any limitation on the implementation process of the embodiment of the present application.

[0088] It can be understood that in this application, "when" and "if" both mean that corresponding processing will be taken under certain objective circumstances, and do not limit the time, nor do they require any judgment action when implementing, nor do they mean that there are other limitations.

[0089] It is understood that some optional features in the embodiments of the present application may, in certain scenarios, be implemented independently of other features, such as the solution on which they are currently based, to solve corresponding technical problems and achieve corresponding effects. They may also be combined with other features in certain scenarios as needed. Accordingly, the devices provided in the embodiments of the present application may also implement these features or functions accordingly, which will not be described in detail here.

[0090] In this application, unless otherwise specified, the same or similar parts between the various embodiments can refer to each other. In the various embodiments in this application, as well as the various implementation methods / implementation methods / implementation methods in each embodiment, unless otherwise specified and logically conflicting, the terms and / or descriptions between different embodiments and the various implementation methods / implementation methods / implementation methods in each embodiment are consistent and can be referenced to each other. The technical features in different embodiments and the various implementation methods / implementation methods / implementation methods in each embodiment can be combined to form new embodiments, implementation methods, implementation methods, or implementation methods according to their inherent logical relationships. The implementation methods of this application described below do not constitute a limitation on the scope of protection of this application.

[0091] In order to facilitate understanding of the technical solutions of the embodiments of the present application, a brief introduction to the relevant technologies of the present application is first given as follows.

[0092] 1. Slot:

[0093] In new radio (NR), for a normal cyclic prefix (CP), one time slot contains 14 orthogonal frequency division multiplexing (OFDM) symbols (hereinafter referred to as symbols). For an extended CP, one time slot contains 12 symbols. For ease of description, in the embodiments of the present application, unless otherwise specified, one time slot contains 14 symbols. For example, in one time slot, the 14 symbols are numbered in ascending order, with the smallest number being 0 and the largest number being 13. In fact, in one time slot, the number of symbols may also exist in other implementation forms, which is not limited in this application.

[0094] A timeslot can be an uplink timeslot (U), a downlink timeslot (D), or a special timeslot (S). An uplink timeslot is configured for uplink transmission only, and all symbols in the uplink timeslot are uplink symbols, i.e., uplink symbols are configured for uplink transmission only; a downlink timeslot is configured for downlink transmission only, and all symbols in the downlink timeslot are downlink symbols, i.e., downlink symbols are configured for downlink transmission only; a special timeslot can be configured for uplink transmission or downlink transmission, but not for both uplink and downlink transmissions at the same time. A special timeslot can serve as a transition point between uplink and downlink. Symbols in a special timeslot may include a portion of uplink symbols, a portion of downlink symbols, and a spacer symbol. The spacer symbol is located between the uplink and downlink symbols in the special timeslot, and data cannot be sent on the spacer symbol.

[0095] It should be understood that in uplink transmission, the terminal device sends uplink data and the wireless access network device receives uplink data. In downlink transmission, the wireless access network device sends downlink data and the terminal device receives downlink data.

[0096] 2. Unmanned aerial vehicle (UAV) countermeasures:

[0097] Drone countermeasures refer to the use of a range of technical means to counter illegal UAV interference. These include wireless jamming and netting. Drone jamming interferes with the drone's positioning system or control radio signals, causing the illegal UAV to lose control and land, hover, or return. Since the frequency band of the illegal UAV is usually unknown when using jamming countermeasures, the following three methods can be used for interference:

[0098] (1) Blocking jamming technology: This technology jams the entire frequency band, allowing the illegal UAV’s frequency band to be jammed. However, under blocking jamming technology, the jamming power allocated to each frequency band is low, resulting in reduced jamming efficiency.

[0099] (2) Scanning jamming technology: that is, repeatedly scanning each frequency band and sending jamming in the order from high frequency to low frequency or from low frequency to high frequency, thereby jamming illegal UAVs.

[0100] (3) Frequency targeting jamming technology: This is to determine the frequency band of the illegal UAV through spectrum listening and analysis, and then interfere with the frequency band. Among them, the spectrum listening analyzer can capture the communication signal between the illegal UAV and its remote control. Since the distance between the signal and the listening analyzer is related to time, that is, the distance between the signal and the listening analyzer is the product of the propagation speed of the electromagnetic wave and the time required to capture the signal. Therefore, the position of the signal source (i.e., the illegal UAV) can be calculated based on the time difference of arrival (TDOA) between two spectrum listening analyzers in multiple spectrum listening analyzers. Among them, the multiple spectrum listening analyzers include greater than or equal to 3 spectrum listening analyzers.

[0101] For example, as shown in FIG1 , there are three listening stations (i.e., listening station 1 to listening station 3) each equipped with a spectrum analyzer, where listening station 1 captures the signal at time T+k1 (i.e., receives the signal at time T+k1), listening station 2 captures the signal at time T+k2, and listening station 3 captures the signal at time T+k3. Based on the TDOA of the signals between each of the three listening stations, the distance difference between the two listening stations is determined, and the position of the signal source is further determined based on the distance difference.

[0102] The positioning method shown in Figure 1 has an error radius of 30 to 50 meters. Factors contributing to this error include clock asynchrony and signal processing delays. Clock synchronization is dependent on crystal oscillator accuracy and timing accuracy. If the clocks are out of sync, every 20 nanoseconds can result in an error of 6 meters.

[0103] Furthermore, spectrum analyzers are susceptible to the number of signal sources, making it difficult to distinguish and locate illegal UAVs. In complex electromagnetic environments (such as in cities), as shown in Figure 2, when an illegal UAV operates in the 2.4 GHz band, it can be mixed with other legal UAVs (such as legal UAVs operating in 2.4 GHz or 5.8 GHz). In this case, a spectrum analyzer can only identify the presence of UAVs in each frequency band, but cannot determine the specific frequency band in which the illegal UAV is operating.

[0104] Furthermore, targeted jamming technology can only identify the signal source of an illegal UAV from a pool of 10 or fewer signal sources within a 2-kilometer range. However, when there are numerous or densely packed signal sources and / or frequency bands, this technology can be difficult to pinpoint, and thus, cannot effectively jam the illegal UAV.

[0105] 3. Wireless sensing technology:

[0106] Wireless sensing technology refers to the use of radio signals to obtain information such as the existence and positioning of a target. Wireless sensing technology can include device-based sensing technology and device-free sensing technology.

[0107] Among them, terminal device-based sensing technology can be applied to cellular networks, where it is referred to as cellular positioning technology. Specifically, through interaction between the base station and the terminal device, the base station obtains round-trip time or angle information for uplink and downlink signals. This information can then be calculated from the measurement signals on the core network or edge network to determine the terminal device's location.

[0108] Perception technology that doesn't rely on terminal devices originated from radar technology. With the development of radar and communication technologies, signal processing and hardware design are converging. Based on this, a technology called "communicative perception fusion" (also known as communication-perception fusion) is proposed. Through joint signal design and / or hardware sharing, communication and perception functions are unified in design, achieving multiple benefits, such as spectrum sharing, cost reduction, and simplified deployment. This technology allows for the perception of objects by transmitting wireless signals from a transmitter to them. Specifically, because the objects have areas that reflect the signals, the receiver can receive and analyze the reflected wireless signals to obtain object perception measurements, such as angle and delay. In cellular networks, wireless base station communication technology is evolving towards multiple antennas, multiple-input multiple-output (MIMO), and large-scale arrays, converging with radar technology. These technologies, coupled with widespread deployment and abundant spectrum, enable the location perception of objects. Applications include UAV surveillance and high-speed rail perimeter intrusion detection.

[0109] 4. UAV communication:

[0110] Remotely controlling UAVs via base stations allows them to fly beyond visual range (BVR). This allows them to transcend the short-range limitations of existing proprietary remote controls and operate over a wider range. The 3rd Generation Partnership Project (3GPP) TS23.256 defines a standard process for UAV authentication on cellular networks. As shown in Figure 3, for a UAV with a cellular communication module (or a UAV connected to a cellular network, also known as a legitimate UAV), when the UAV initiates a registration access request to the cellular network, or when the unmanned aerial system (UAS) service provider (USS) network element (or unified threat management (UTM) network element) initiates a re-authentication request for a registered UAV at any time, the 3GPP network interacts with the USS network element (or UTM network element) through the UAS Network Function (UAS-NF) network element deployed in the network exposure function (NEF). For example, the UAS-NF network element sends the UAV's location information, identity, and other information to the USS network element (or UTM network element). The USS network element (or UTM network element) authenticates the UAV's information (such as location information and identity) (such as location information authentication) and returns the corresponding authentication result and session management information to the UAS-NF network element.

[0111] Based on the drone authentication management architecture shown in Figure 3, the USS network element (or UTM network element) can obtain the locations of all UAVs (i.e., legitimate UAVs) connected to the cellular network in a specified airspace from the UAS-NF network element. Furthermore, the USS can obtain the locations of all objects in the specified airspace from a base station equipped with telepathy technology through the network management system (including the network management system (NMS) and equipment management system (EMS)). This allows the USS to distinguish whether there are illegal objects in the specified airspace, as well as their locations and other characteristic information.

[0112] Exemplarily, the USS network element (or UTM network element) can obtain characteristic information such as the location of illegal objects through the process shown in Figure 4. In Figure 4, the USS network element (or UTM network element) can send a target differentiation service request to the NMS network element, wherein the target differentiation service request may include the regulated airspace range and / or the location of a legal UAV within the regulated airspace range. After receiving the target differentiation service request, the NMS network element determines the EMS network element participating in this service request from multiple EMS network elements based on the regulated airspace range, and forwards the target differentiation service request to the EMS network element. The EMS network element determines the base station with interawareness technology corresponding to the signal coverage range of the regulated airspace range, and sends an airspace perception service request to the base station. The airspace perception service request includes configuration parameters for perception (such as perception accuracy, perception range (i.e., regulated airspace range), resolution, etc.). The base station performs airspace perception through parameter configuration, and sends an airspace perception service response to the EMS network element based on the perception results. Among them, if the perception is successful (i.e., the object is perceived), the airspace perception service response includes the location of the perceived object; if the perception fails (i.e., the object is not perceived), the airspace perception service response includes a failure prompt. The EMS network element associates the legal UAV with the perceived object, determines whether there is an illegal UAV among the perceived objects, and sends a target differentiation service response to the NMS network element, indicating that the differentiation is successful. Among them, the target differentiation service response includes the location of all perceived objects and whether there are illegal objects; if there are illegal objects, the target differentiation service response can also include the location of the illegal objects. The NMS network element sends the received target differentiation service response to the USS network element (or UTM network element).

[0113] In scenarios where the electromagnetic environment is complex and aiming jamming is difficult to use, the USS network element (or UTM network element) can counter illegal UAVs through sweeping jamming. After the USS network element (or UTM network element) senses an illegal object, it activates the sweeping jamming system to implement sweeping jamming on the illegal UAV and observes whether the illegal UAV is successfully jammed through a base station equipped with telepathy technology. If the illegal UAV leaves the designated area (i.e., the regulated airspace) or crashes, the jamming is considered successful.

[0114] For example, as shown in Figure 5, the USS network element (or UTM network element) can use a sweeping frequency jamming technology to enable the sweeping frequency jamming system to send jamming signals to the location of the illegal UAV to interfere with the illegal UAV. However, if there are legal UAVs in the frequency band where the illegal UAV is located, when the illegal UAV is interfered with, the legal UAVs in the frequency band will also be interfered with. The area within the dotted line range in Figure 5 is the coverage area of ​​the jamming signal on the frequency band where the illegal UAV is located. Therefore, how to prevent legal UAVs from being interfered with while interfering with illegal UAVs is an urgent problem to be solved.

[0115] Based on this, an embodiment of the present application provides a communication method. When a first terminal device and a target device are both within the signal coverage of a fifth-line access network device, the first wireless access network device configured to interfere with the target device can send first information to instruct the first terminal device to move from the signal coverage of the first wireless access network device. Therefore, the first access network device can subsequently interfere with the target device after the first terminal device moves from the signal coverage of the first wireless access network device, thereby preventing the first terminal device from being interfered with.

[0116] The technical solution provided in this application can be used in various communication systems, which may be a third generation partnership project (3GPP) communication system, such as a fourth generation (4G) long term evolution (LTE) system, a fifth generation (5G) new radio (NR) system, a vehicle to everything (V2X) system, a system of hybrid networking of LTE and NR, or a device to device (D2D) system, a machine to machine (M2M) communication system, an Internet of Things (IoT), and other next generation communication systems. Alternatively, the communication system may also be a non-3GPP communication system, without limitation.

[0117] Among them, the above-mentioned communication system applicable to the present application is only an example, and the communication system applicable to the present application is not limited to this. It is uniformly described here and will not be repeated below.

[0118] An exemplary communication system provided herein includes at least one first network element, at least one second network element, and at least one radio access network device. The second network element can communicate with the first network element, and the first network element can communicate with the radio access network device. This enables communication between the second network element and the radio access network device.

[0119] In a first possible implementation manner, the communication system includes a first network element, a second network element, and a radio access network device.

[0120] 6 , which shows a system architecture of a communication system used in an embodiment of the present application, wherein the communication system shown in FIG6 includes a first network element, a second network element, and a first radio access network device.

[0121] Optionally, the first network element is configured to monitor an airspace within a signal coverage area of ​​at least one radio access network device. Exemplarily, the first network element may also be referred to as a first management entity, or a device management entity. For example, the first network element may be an EMS network element.

[0122] Optionally, the second network element is configured to monitor at least one airspace monitored by the first network element. Specifically, the second network element may monitor the UAVs under its jurisdiction, remotely switch UAV control links, take over UAV remote control, etc. Exemplarily, the second network element may be capable of obtaining information about terminal devices connected to the cellular network.

[0123] Exemplarily, the second network element may also be referred to as a second management entity, or may also be referred to as an airspace management entity. For example, the second network element may be a USS network element, or may also be a UTM network element.

[0124] Optionally, the target device is located within the signal coverage of the first wireless access network device. The first wireless access network device is configured to interfere with the target device. Exemplarily, the target device may be an illegal UAV.

[0125] Optionally, in this possible implementation, the communication system may further include a third network element. Exemplarily, as shown in FIG7 , the second network element may communicate with the third network element, and the third network element and the first network element may communicate with each other, thereby enabling communication between the second network element and the first network element.

[0126] Optionally, the second network element can be used to monitor the airspace monitored by at least one third network element. The third network element is used to monitor the airspace monitored by at least one first network element. Therefore, the airspace monitored by the second network element is larger than the airspace monitored by the third network element, and the airspace monitored by the third network element is larger than the airspace monitored by the first network element.

[0127] Comparing the communication systems shown in FIG6 and FIG7 , it can be seen that, compared with the communication system in FIG6 , the airspace supervised by the second network element shown in FIG7 is larger, and therefore, the communication system shown in FIG7 can be applied in a wider range.

[0128] In a second possible implementation manner, the communication system includes a first network element, a second network element, and a plurality of radio access network devices greater than or equal to two.

[0129] Referring to Figure 8 , which shows a system architecture of another communication system used in an embodiment of the present application, the communication system shown in Figure 8 includes a first network element, a second network element, a first radio access network device, and at least one second radio access network device.

[0130] Exemplarily, the implementation of the first network element, the second network element, and the first wireless access network device is the same as the implementation of the first network element, the second network element, and the first wireless access network device in the first possible implementation method mentioned above. For details, please refer to the relevant description in the first possible implementation method mentioned above, and no further details will be given here.

[0131] Optionally, the second wireless access network device is a terminal device within the signal coverage of the first access network device, and the serving wireless access network device is not the serving wireless access network device of the terminal device of the first wireless access network device. The first wireless access network device and the second wireless access network device are different wireless access network devices.

[0132] Optionally, in this possible implementation, as shown in Figure 9, the communication system may further include a third network element. Exemplarily, the implementation of the second network element is the same as that of the second network element in Figure 7 above. For details, please refer to the relevant description in Figure 7 above, which will not be repeated here.

[0133] Optionally, the wireless access network device is a device that connects a terminal device to a wireless network, and may be an evolutionary Node B (eNB or eNodeB) in an LTE or evolved LTE system (LTE-Advanced, LTE-A), such as a traditional macro base station eNB and a micro base station eNB in ​​a heterogeneous network scenario; or may be a next-generation node B (gNodeB or gNB) in a 5G system; or may be a next-generation base station in a sixth-generation (6G) system; or may be a transmission reception point (TRP); or may be a base station in a future evolved public land mobile network (PLMN); or may be a broadband network gateway (BNG), an aggregation switch or a non-3GPP access device; or may be a wireless controller in a cloud radio access network (CRAN); or may be an access node in a WiFi system. point, AP); or it can be a wireless relay node or a wireless backhaul node; or it can be a device that implements the base station function in IoT, a device that implements the base station function in V2X, a device that implements the base station function in D2D, or a device that implements the base station function in M2M, and the embodiments of the present application do not make specific limitations on this.

[0134] Exemplarily, the base stations in the embodiments of the present application may include various forms of base stations, such as: macro base stations, micro base stations (also called small stations), indoor stations, relay stations, access points, donor nodes, etc., and the embodiments of the present application do not make specific limitations on this.

[0135] Optionally, in a specific implementation, the radio access network device may refer to a module or unit that performs some of the functions of a base station. For example, a centralized unit (CU). Alternatively, the radio access network device may be composed of a CU and a distributed unit (DU). The CU and DU may be divided according to the protocol layers of the wireless network. For example, the functions of the RRC protocol layer, SDAP layer, and PDCP layer are set in the CU, while the functions of the RLC layer, MAC layer, and PHY layer are set in the DU.

[0136] It can be understood that the division of CU and DU processing functions according to this protocol layer is only an example, and they can also be divided in other ways. This application does not make specific limitations on this.

[0137] In some embodiments, a CU may consist of a CU control plane (CU-CP) and a CU user plane (CU-UP).

[0138] Optionally, the terminal device may refer to a user-side device with wireless transceiver functions, which can send signals to or receive signals from a wireless access network device. The terminal device may also be referred to as user equipment (UE), terminal, access terminal, user unit, user station, mobile station (MS), remote station, remote terminal, mobile terminal (MT), user terminal, wireless communication device, user agent or user device, etc. The terminal can be widely used in various scenarios, for example, it can be a wireless terminal in IoT, V2X, D2D, M2M, MTC, 5G network, or future evolved PLMN. The terminal device can be deployed on land, including indoors or outdoors, handheld or vehicle-mounted; it can also be deployed on the water (such as ships, etc.); it can also be deployed in the air (such as airplanes, balloons and satellites, etc.).

[0139] Exemplarily, the terminal device may be a drone, a helicopter, a robotic arm, an IoT device (e.g., a sensor, an electricity meter, a water meter, etc.), a V2X device, a station (ST) in a wireless local area network (WLAN), a cellular phone, a cordless phone, a session initiation protocol (SIP) phone, a wireless local loop (WLL) station, a personal digital assistant (PDA) device, a handheld device with wireless communication capabilities, a computing device or other processing device connected to a wireless modem, an in-vehicle device, a wearable device (also referred to as a wearable smart device), a tablet computer or a computer with wireless transceiver capabilities, an XR terminal, a wireless terminal in industrial control, a wireless terminal in self-driving, a wireless terminal in remote medical care, a wireless terminal in a smart grid, a wireless terminal in transportation safety, a wireless terminal in a smart city, a wireless terminal in a smart home, a smart home control, or a wireless terminal in a smart city. The present invention relates to wireless devices in the smart office automation (OA) system, wireless devices in the smart office automation (SCS), vehicle-mounted terminals, vehicles with vehicle-to-vehicle (V2V) communication capabilities, intelligent connected vehicles, drones with UAV to UAV (U2U) communication capabilities, etc. The terminal can be mobile or fixed, and this application does not make specific restrictions on this.

[0140] In the embodiments of the present application, the functions of the wireless access network device may also be performed by a module (such as a chip) in the wireless access network device, or may also be performed by a control subsystem that includes the functions of the wireless access network device. Among them, the control subsystem that includes the functions of the wireless access network device may be a control center in the above-mentioned application scenarios such as smart grid, industrial control, smart transportation, and smart city. The functions of the terminal device may also be performed by a module (such as a chip or modem) in the wireless access network device, or may also be performed by a device that includes the functions of the wireless access network device.

[0141] The following, in conjunction with the accompanying drawings, uses the communication systems shown in Figures 6-9 as examples to further illustrate the communication methods provided in the embodiments of the present application. It will be appreciated that in the embodiments of the present application, the wireless access network device may perform some or all of the steps in the embodiments of the present application. These steps or operations are merely examples, and the embodiments of the present application may also perform other operations or variations of various operations. Furthermore, the steps may be performed in a different order than those presented in the embodiments of the present application, and it is possible that not all operations in the embodiments of the present application need to be performed.

[0142] It should be noted that the message names between the devices or the names of the parameters in the messages in the following embodiments of the present application are only examples. Other names may be used in specific implementations, and the embodiments of the present application do not specifically limit this.

[0143] It should be noted that, in any of Figures 6 to 9 of this application and the following first network element, a first network element is at least one first network element belonging to an airspace supervised by a second network element, and a target device is present in the supervised airspace. A third network element is at least one third network element belonging to an airspace supervised by a second network element, and a target device is present in the supervised airspace.

[0144] Optionally, based on the two communication systems shown in FIG. 6 or FIG. 7 , FIG. 8 or FIG. 9 , the communication method provided in the embodiments of the present application can be implemented based on the following two scenarios:

[0145] Scenario 1: The communication method provided in the embodiment of the present application can be applied to the communication system shown in Figure 6 or Figure 7.

[0146] Referring to FIG. 10 , an embodiment of the present application provides a communication method for application in the following scenario. The communication method may include the following steps:

[0147] S1001. A first network element obtains location information of a target device.

[0148] As an example, the first network element may obtain the location information of the target device from the second network element. Exemplarily, the second network element may send fifth information to the first network element. Correspondingly, the first network element receives the fifth information from the second network element. The fifth information includes the location information of the target device. Exemplarily, the fifth information may be referred to as an interference service request.

[0149] Optionally, the fifth information may also include a second interference range. The second interference range is used to determine whether interference with the target device is successful. Exemplarily, the second interference range may also be referred to as a regulated airspace range. The second interference range may be represented by a polygon consisting of an ordered set of latitude and longitude coordinate points.

[0150] In this example, the second network element may determine to send the fifth information to the first network element through the following two possible implementations:

[0151] In one possible implementation, in the communication system shown in FIG6 , the second network element may, based on the location information of the target device, determine, from among at least one first network element within its supervised airspace, a first network element corresponding to the airspace where the target device is located as the first network element shown in FIG6 . The fifth information is then sent to the first network element.

[0152] In another possible implementation, in the communication system shown in FIG7 , the second network element may, based on the location information of the target device, determine, from among at least one third network element within its supervised airspace, a third network element corresponding to the airspace where the target device is located as the third network element described in FIG7 . The third network element then determines, from among at least one first network element, the first network element described in FIG7 , and thereby transmits the fifth information to the first network element.

[0153] Exemplarily, in this possible implementation, as shown in FIG11 , the process of the second network element sending the fifth information to the first network element may be based on the following steps S1001A-S1001C. That is, step S1001 may be replaced by steps S1001A-S1001C:

[0154] S1001A: The second network element sends fifth information to the third network element. Correspondingly, the third network element receives the fifth information from the second network element.

[0155] S1001B: The third network element determines, based on the location information of the target device, a first network element in the at least one first network element in the airspace it supervises, where the target device resides. The first network element is the first network element described in FIG7 (ie, the first network element described in FIG11 ).

[0156] S1001C: The third network element sends fifth information to the first network element. Correspondingly, the first network element receives the fifth information from the first network element.

[0157] As another example, the first network element may utilize the perception of the regulatory airspace by a wireless access network device having synaesthesia technology to determine the target device within the regulatory airspace.

[0158] Exemplarily, the first network element can serve as the EMS network element shown in Figure 4, and obtain the location information of the target device according to the process shown in Figure 4; the method for obtaining the regulatory airspace range can refer to the relevant description of the regulatory airspace range mentioned above, and will not be repeated here.

[0159] For the convenience of description, the following description is given by taking an example in which a first network element obtains the location information of a target device from a second network element.

[0160] S1002: Determine, based on location information of the target device, a first radio access network device that will interfere with the target device, where the target device is located within a signal coverage range of the first radio access network device.

[0161] Optionally, the first radio access network device may be: any one of the radio access network devices corresponding to a plurality of signal coverage ranges where the target device is located.

[0162] Exemplarily, the first radio access network device may be a radio access network device that is closest to the target device among multiple radio access network devices corresponding to respective signal coverage areas of the target device.

[0163] S1003. The first network element sends first information to the second network element. Accordingly, the second network element receives the first information from the first network element. The first information instructs a first terminal device to be removed from a signal coverage area of ​​a first radio access network device, where the first terminal device is within the signal coverage area of ​​the first radio access network device.

[0164] Exemplarily, the terminal device may include a UAV. The first terminal device may be understood as a UAV accessing a cellular network, or a legal UAV.

[0165] Optionally, the signal coverage range of the first radio access network device may include the following three implementations:

[0166] As a first possible implementation, the signal coverage range of the first radio access network device may be understood as: the current signal coverage range of the first radio access network device.

[0167] As a second possible implementation, the signal coverage range of the first radio access network device can be understood as the signal coverage range when the first radio access network device transmits signals at a first power. The first power is greater than or equal to the current signal transmission power of the first radio access network device. In this case, the signal coverage range of the first radio access network device can also be referred to as a first interference range. In other words, the terminal device can determine the first interference range based on the first power.

[0168] For example, taking the case where the first power is greater than the current signal transmission power of the first wireless access network device, as shown in (a) in Figure 12, the area within the solid line range in (a) in Figure 12 is the current signal coverage range of the first wireless access network device, and the area within the dotted line range in (a) in Figure 12 is the signal coverage range when the first wireless access network device sends signals at the first power. Since the first power is greater than the current signal transmission power of the first wireless access network device, in (a) in Figure 12, the area within the dotted line range is greater than the area within the solid line range.

[0169] Optionally, the first power may be obtained by calculation according to an interference signal-to-noise ratio, a distance between the target device and the first radio access network device, and a channel model (such as a channel model defined in the 3GPP standard).

[0170] As a third possible implementation, the signal coverage range of the first radio access network device may be understood as: the signal coverage range of the first beam transmitted at the first power in the first radio access network device, wherein the target device is located in the transmission direction of the first beam.

[0171] For example, as shown in (b) of FIG12 , the area within the solid line range in (b) of FIG12 is the current signal coverage range of the first radio access network device, and the area within the dotted line range in (b) of FIG12 is the signal coverage range of the first beam sent by the first radio access network device at the first power. Based on the above-mentioned second possible implementation and the third possible implementation, since the first interference range is determined according to the first power, when the first radio access network device subsequently uses the first power to interfere with the target device, the terminal devices within the first interference range or the signal coverage range of the first beam will be interfered with. Therefore, the terminal devices within the signal coverage range of the first radio access network device determined according to the first power can be determined as the first terminal devices, and then the first terminal devices can be migrated out of the signal coverage range of the first radio access network device to avoid the first terminal device being interfered with when the first radio access network device interferes with the target device.

[0172] Optionally, the first information may include a signal coverage range of the first radio access network device.

[0173] As an example, in the communication system shown in FIG6 , the first network element can directly communicate with the second network element. Therefore, the first network element can directly send the first information to the second network element.

[0174] As another example, in the communication system shown in Figure 7, since the first network element can communicate with the third network element, and the third network element can communicate with the second network element, communication between the first network element and the second network element is achieved. Therefore, in this example, the first network element sending the first information to the second network element may include: the first network element sending the first information to the third network element. After receiving the first information, the third network element sends the first information to the second network element. For example, the third network element may transparently transmit the first information to the second network element. Optionally, as shown in Figure 13, after step S1003, the communication method may further include the following steps:

[0175] S1004. The second network element migrates the first terminal device according to the first information.

[0176] Exemplarily, the second network element may take over the remote control function of the first terminal device, thereby instructing the first terminal device to move out of the signal coverage range of the first radio access network device.

[0177] Optionally, during the migration of the first terminal device, the second network element can perceive the location of the first terminal device in real time, determine whether the first terminal device has migrated out of the signal coverage of the first wireless access network device, or determine whether the first terminal device has moved out of the signal coverage of the first wireless access network device.

[0178] Optionally, when it is determined that the first terminal device has migrated out of the signal coverage of the first radio access network device, the following steps may also be performed:

[0179] S1005: The second network element sends second information to the first network element. Correspondingly, the first network element receives the second information from the second network element, wherein the second information indicates that the migration of the first terminal device is successful.

[0180] Exemplarily, the successful migration of the first terminal device can be understood as the first terminal device having moved out of the signal coverage range of the first radio access network device.

[0181] Exemplarily, the process of the second network element sending the second information to the first network element is similar to the process of the first network element sending the first information to the second network element in step S1003 above. That is, in the communication system shown in FIG6 , the second network element can directly send the second information to the first network element. In the communication system shown in FIG7 , the second network element sending the second information to the first network element may include: the second network element sending the second information to a third network element. After receiving the second information, the third network element sends the second information to the first network element.

[0182] Optionally, after receiving the second information, the first network element may perform step S1006: the first network element sends third information to the first radio access network device. Accordingly, the first radio access network device receives the third information from the first network element. The third information indicates that the first radio access network device is interfering with the target device.

[0183] Optionally, the third information may include at least one of the interference on-time, the signal transmission power during interference (such as the first power), and the signal transmission direction during interference (such as indicating the first beam).

[0184] S1007: The first radio access network device interferes with the target device.

[0185] S1008. The first radio access network device sends fourth information to the first network element. In response, the first network element receives the fourth information from the first radio access network device. The fourth information indicates whether interference is successful on a first frequency band, where the first frequency band is one of at least one frequency band of the first radio access network device.

[0186] Optionally, the fourth information may include status information of the target device; wherein, the status information includes first status information or second status information. When the interference on the first frequency band is successful, the status information is the first status information; when the interference on the first frequency band fails, the status information is the second status information.

[0187] For example, a radio access network device is configured with at least one frequency band, and the radio access network device can perform interference on different frequency bands. The frequencies of multiple cells in the radio access network device correspond one-to-one with the at least one frequency band. That is, the frequencies of each cell are located in a different frequency band. This embodiment of the present application uses the example of each radio access network device being configured with the same frequency band.

[0188] Based on scenario one, an embodiment of the present application provides a communication method in which, when a first terminal device and a target device are both present within the signal coverage of a first radio access network device, the first radio access network device that is about to interfere with the target device can send first information to instruct the first terminal device to move out of the signal coverage of the first radio access network device. Therefore, the first access network device can subsequently interfere with the target device after the first terminal device moves out of the signal coverage of the first radio access network device, thereby preventing the first terminal device from being interfered with.

[0189] The above is an overall description of the communication method in the scenario below. The following is a detailed introduction to the first terminal device mentioned in the above embodiment.

[0190] Exemplarily, the number of the first terminal devices is greater than or equal to 1. Optionally, the first terminal device may include the following two implementations:

[0191] As an example, the first terminal device can be understood as all terminal devices that access the cellular network within the signal coverage range of the first wireless access network device.

[0192] For example, as shown in FIG14 , the signal coverage of the first wireless access network device includes terminal devices #1 to #3 and the target device, and terminal devices #1 to #3 are all connected to the cellular network. In this case, terminal devices #1 to #3 can all be determined as first terminal devices.

[0193] As another example, the first terminal device can be understood as a terminal device that accesses a cellular network within the signal coverage of a first wireless access network device, and whose serving wireless access network device is a terminal device of a second wireless access network device.

[0194] For example, as shown in Figure 14, the signal coverage of the first wireless access network device includes terminal devices #1 through #3, as well as the target device. Terminal devices #1 through #3 are all connected to the cellular network. The serving wireless access network devices of terminal devices #1 and #2 are the first wireless access network device, and the serving wireless access network device of terminal device #3 is the first wireless access network device. In this case, terminal device #3 can be determined as the first terminal device.

[0195] The above is an explanation of the method of the first terminal device. The following is a detailed introduction to the process of interfering with the target device mentioned in the above embodiment (ie, the implementation of step S1007).

[0196] Optionally, the first radio access network device may select a frequency band (i.e., a first frequency band) from at least one frequency band and perform interference on the first frequency band. The first network element is notified of the interference result (i.e., status information of the target device). That is, the first radio access network device interferes with the target device, including: the first radio access network device interferes with the target device on the first frequency band.

[0197] Optionally, during the interference process, the first radio access network device may sense the location information of the target device at a predetermined period. The device may determine the interference result based on the location information of the target device and provide feedback to the first network element. For example, if the first radio access network device senses the location information of the target device, it may determine whether the interference is effective against the target device by sensing the location information of the target device at different times. The device may then determine whether the status information is the first status information or the second status information, i.e., whether the fourth information indicates interference failure or interference failure on the first frequency band. If the first radio access network device does not sense the location information of the target device, the status information is the second status information, i.e., the fourth information indicates interference failure on the first frequency band.

[0198] Optionally, the first radio access network device may sense the location information of the target device in real time during the interference process. Exemplarily, the interference result may include the location information of the target device.

[0199] Based on this optional solution, the first radio access network device can sense the target device's location information during the interference process, determine the interference result based on the target device's location information, and feedback it to the first network element. This allows the first network element to understand the interference effect and determine whether to continue interfering with the target device, thereby ensuring the continuity of the interference implementation.

[0200] Optionally, based on different implementations of the foregoing first terminal device, the first radio access network device may interfere with the target device in the following two ways:

[0201] In one possible implementation, in a case where the first terminal device is within the signal coverage range of the first wireless access network device and all terminal devices accessing the cellular network, after the migration of the first terminal device is completed, there is no terminal device accessing the cellular network within the signal coverage range of the first wireless access network device, so the first wireless access network device can interfere with the target device for multiple consecutive time units.

[0202] Optionally, the first radio access network device interfering with the target device includes: the first radio access network device sending a first noise signal to the target device, wherein the first noise signal is carried in a first time unit, and the first time unit includes at least one downlink time unit.

[0203] Exemplarily, the first time unit may include a group of consecutive downlink time units. For example, the first time unit may include multiple time slots of one or more consecutive frames. Exemplarily, the first noise signal may be a white noise signal.

[0204] Illustratively, the time unit may be a minislot, a time slot, a subframe, a transmission time interval (TTI), etc.

[0205] Based on this possible implementation, the first radio access network device may send the first noise signal in at least one downlink time unit. For example, the first noise signal may be sent in consecutive downlink time units. Thus, the target device may be continuously interfered with, causing the target device to be continuously interfered with, thereby increasing the packet loss rate of the target device and improving the interference effect.

[0206] In another possible implementation, in a case where the first terminal device is a terminal device that accesses a cellular network within the signal coverage of a first wireless access network device, and the serving wireless access network device is a terminal device of a second wireless access network device, after the migration of the first terminal device is completed, the remaining devices within the signal coverage of the first wireless access network device include the terminal device whose serving wireless access network device is the first wireless access network device (for the convenience of description, the terminal device whose serving wireless access network device is the first wireless access network device will be referred to as the remaining terminal device hereinafter) and the target device.

[0207] In this possible implementation, to prevent the remaining terminal devices from being interfered with, the first radio access network device may, based on the communication services of the remaining terminal devices, interfere with the target device in other time units (or also referred to as idle time units) other than the time units occupied by the communication services of the remaining terminal devices. For example, taking a group of consecutive downlink time units including time unit #1 to time unit #9 as an example, if the communication services of the remaining terminal devices are carried in time units including time unit #1 to time unit #3, the first radio access network device may interfere with the target device (e.g., send a noise signal) in time unit #4 to time unit #9.

[0208] Optionally, the first wireless access network device can construct a random number generation module in the baseband board, enable the random number generation module when there is an idle time unit (i.e., a time unit not used for information signal transmission), and use the generated random number to generate a digital noise signal through a field-programmable gate array (FPGA) module, and send the digital noise signal through an antenna through a digital intermediate frequency module and a digital-to-analog conversion module.

[0209] Based on this possible implementation, after the third terminal device switches from the second radio access network device to the first radio access network device, the third terminal device can communicate with the first radio access network device. The second noise signal is transmitted during time periods that do not carry downlink information. In other words, the first radio access network device transmits the second noise signal during time periods when it is not communicating with the third terminal device. This prevents interference with the third terminal device's communication services.

[0210] The following describes in detail the situation in which the first radio access network device is able to perceive the location information of the target device.

[0211] Optionally, after the target device is interfered with, if the interference is effective, the target device will move out of the signal coverage of the first cell and / or land. If the interference is ineffective, the target device will not be affected and will continue to operate within the signal coverage of the first cell. The frequency of the first cell is within the first frequency band. Therefore, the first radio access network device can sense the location information of the target device in real time, determine whether the target device is affected by the interference, and further determine whether the interference is effective in the first frequency band.

[0212] For example, the target device moving out of the signal coverage of the first cell can be understood as: the target device is located in the signal coverage of the first cell, and the target device continues to move away from the center of the signal coverage of the first cell. The target device landing can be understood as: the target device is located in the coverage of the first signal, and the height of the target device continues to decrease. In other words, the first status information includes the target device continuing to move away from the center of the signal coverage of the first cell, or the target device continuing to land within the signal coverage of the first cell, and the frequency of the first cell is within the first frequency band.

[0213] Optionally, the first radio access network device may determine, based on preset conditions, the location information of the target device obtained by the first radio access network device during the interference process to determine the interference result. For example, if the preset conditions are met, the interference result is successful interference on the first frequency band; in this case, the fourth information may indicate successful interference on the first frequency band, that is, the state information of the target device is the first state information. If the preset conditions are not met, the interference result is unsuccessful interference on the first frequency band; in this case, the fourth information indicates unsuccessful interference on the first frequency band, that is, the state information of the target device is the second state information.

[0214] Exemplarily, the preset conditions include the following two features:

[0215] Feature 1. During interference with a target device, the first distance is greater than the second distance, where the first distance is the distance between the target device and the center of the signal coverage of the first cell at a first moment, and the second distance is the distance between the target device and the center of the signal coverage of the first cell at a second moment, and the first moment is after the second moment; wherein the target device is within the signal coverage of the first cell.

[0216] Optionally, the time difference between the first moment and the second moment is X seconds. X is a positive integer. Exemplarily, the second moment may be the moment when the interference is turned on, or it may be any moment during the interference process. Exemplarily, as shown in FIG15 , the area within the dotted line range of FIG15 is the signal coverage range of the first cell. As shown in (a) in FIG15 , at the first moment and the second moment, the target device is located in the signal coverage range of the first cell, but compared to the distance between the target device and the center of the signal coverage range of the first cell at the second moment (i.e., the second distance), the distance between the target device and the center of the signal coverage range of the first cell at the first moment (i.e., the first distance) is larger, so it can be considered that during the interference process from the second moment to the first moment, the target device continues to move away from the center of the signal coverage range of the first cell.

[0217] Alternatively, as shown in (b) of Figure 15, the target device is located within the signal coverage of the first cell at the second moment, and is located outside the signal coverage of the first cell at the first moment. Therefore, it can be considered that during the interference process from the second moment to the first moment, the target device moved from the signal coverage of the first cell to the signal coverage of the first cell. In this case, the first distance is greater than the second distance, so it can be considered that during the interference process from the second moment to the first moment, the target device continued to move away from the center of the signal coverage of the first cell.

[0218] Optionally, the difference between the first distance and the second distance may be greater than a preset distance threshold. Exemplarily, the preset distance threshold is positively correlated with the value of X. That is, the larger the value of X, the larger the preset distance threshold. For example, when the value of X is 2, the preset distance threshold may be 5 meters; when the value of X is 5, the preset distance threshold may be 15 meters, and so on. This is not limited herein.

[0219] Feature 2: During the interference with the target device, the height of the target device at the third moment is lower than the height of the target device at the fourth moment, and the third moment is located after the fourth moment.

[0220] Optionally, the time difference between the third moment and the fourth moment is Y seconds. Y is a positive integer. Exemplarily, the fourth moment may be the moment when the interference is turned on, or it may be any moment during the interference process. Exemplarily, as shown in (a) in Figure 16, at the third moment and the fourth moment, the target device is located within the signal coverage of the first cell, but compared to the height of the target device at the fourth moment, the height of the target device at the third moment is lower, so it can be considered that during the interference process from the fourth moment to the third moment, the height of the target device continues to decrease.

[0221] Alternatively, as shown in (b) of Figure 16, at both the third and fourth moments, the target device is within the signal coverage of the first cell, and at the third moment, the target device is at a height of 0 meters. In this case, the height of the target device at the third moment is lower than that at the fourth moment, so it can be considered that the height of the target device continues to decrease during the interference process from the fourth moment to the third moment.

[0222] Optionally, when the altitude at the third moment is greater than 0 meters, the altitude difference between the third moment and the fourth moment is greater than a preset altitude threshold. Exemplarily, the preset altitude threshold is positively correlated with the value of Y. That is, the larger the value of Y, the larger the preset altitude threshold. For example, when the value of Y is 2, the preset distance threshold may be 5 meters; when the value of Y is 5, the preset distance threshold may be 20 meters, and so on. This is not limited here.

[0223] Exemplarily, after the first radio access network device senses the location information of the target device at any moment during the interference process, it immediately determines whether the interference on the first frequency band at that moment is successful (i.e., determines the fourth information) and notifies the first network element. In other words, the steps of the first radio access network device sensing the location information of the target device and determining the fourth information can both be performed during the interference process. Of course, they can also be performed after the interference ends. For example, in this case, the location information of the target device sensed by the first radio access network device can be the location information of the target device at the moment the interference ends.

[0224] Optionally, the fourth information may further include at least one of an interference frequency (ie, a first frequency band), location information of the target device before the interference, and a location of the target device after the interference (or may also be referred to as first location information).

[0225] Exemplarily, the location information of the target device before the interference is performed can be understood as the location information of the target device before or at the moment the interference is activated. The first location information can be understood as the location information of the target device at any moment during the interference process. For example, the first location information can be the location information of the target device at the first moment, or the first location information can be the location information of the target device at the third moment.

[0226] Optionally, based on different situations of the fourth information, the communication method may further include different steps:

[0227] Case 1: The fourth information indicates that the interference is successful on the first frequency band. Exemplarily, in case 1, as shown in FIG17 , the communication method may further include the following steps S1009-S1010:

[0228] S1009: The first network element determines whether the location of the target device after being interfered with is within the signal coverage of the first cell.

[0229] If the target device is located within the signal coverage of the first cell after being interfered with, step S1010 may be performed: the first network element transmits seventh information to the first radio access network device. Accordingly, the first radio access network device receives the seventh information from the first network element. The seventh information instructs the first radio access network device to continue interfering with the target device on the first frequency band.

[0230] Optionally, the process of the first radio access network device continuing to interfere with the target device on the first frequency band is similar to the above step S1007. For details, please refer to the relevant description of the above step S1007, which will not be repeated here.

[0231] When the target device is located outside the signal coverage of the first cell after being interfered with, as shown in FIG18 , step S1011 may be executed: the first network element determines whether the interference is successful within the second interference range.

[0232] Optionally, when the position of the target device after the interference is outside the second interference range, the interference is successful within the second interference range; when the position of the target device after the interference is within the second interference range, the interference fails within the second interference range.

[0233] Optionally, if the interference is successful within the second interference range, as shown in FIG18 , step S1012 may be performed: the first network element sends sixth information to the second network element. Correspondingly, the second network element receives the sixth information from the first network element, wherein the sixth information indicates that the interference is successful within the second interference range.

[0234] Optionally, the sixth information may include the first location information, and further, may include the frequency band where interference has been performed (such as the first frequency band).

[0235] Exemplarily, the process of the first network element sending the sixth information to the second network element is similar to the process of the first network element sending the first information to the second network element in the above step S1003. For details, please refer to the relevant description of the above step S1003 and will not be repeated here.

[0236] Optionally, when interference fails within the second interference range, the first network element may determine a third radio access network device that will interfere with the target device after the interference based on the first location information (i.e., the location of the target device after the interference).

[0237] Exemplarily, the third radio access network device may be any one of the multiple radio access network devices corresponding to the signal coverage ranges of the target device's location after the interference. The third radio access network device and the first radio access network device may be the same radio access network device. For example, the third radio access network device may be the radio access network device closest to the target device among the multiple radio access network devices corresponding to the signal coverage ranges of the target device's location after the interference.

[0238] Optionally, in the event of interference failure within the second interference range, the first network element determines the third wireless access network device based on the first location information, including: in the event of interference failure within the second interference range, the first network element determines whether there is a frequency band in at least one frequency band other than the first frequency band that is not interfered with; in the event that there is a frequency band that is not interfered with, determining the third wireless access network device based on the first location information.

[0239] Optionally, after determining the third radio access network device, the first network element may further determine the second terminal device. Exemplarily, the implementation of the second terminal device is similar to that of the first terminal device, and specific reference may be made to the relevant description of the first terminal device, which will not be repeated here.

[0240] Optionally, after determining the third radio access network device, the third radio access network device may interfere with the target device on the second frequency band. The frequency band that is not interfered with includes the second frequency band, and the first location information (the location of the target device after the interference) is within the signal coverage range of the second cell, and the frequency point of the second cell is within the second frequency band.

[0241] Exemplarily, the process of the third radio access network device performing interference is similar to the above step S1007. For details, reference may be made to the relevant description of the above step S1007, which will not be repeated here.

[0242] Optionally, when interference fails within the second interference range and there is no frequency band where interference is not performed, the first network element may send eighth information to the second network element. Accordingly, the second network element receives the eighth information from the first network element. The eighth information indicates that interference fails within the second interference range.

[0243] Exemplarily, the process of the first network element sending the eighth information to the second network element is similar to the process of the first network element sending the sixth information to the second network element. For details, please refer to the relevant description of the above step S1012, which will not be repeated here.

[0244] Optionally, the eighth information may include at least one of the first location information, the interference record, and the reason for the interference failure. The interference record may include a frequency band where interference has been performed (such as the first frequency band) and a frequency band where interference has not been performed. The reason for the interference failure may include that the first radio access network device does not perceive the location information of the target device, or that there is no frequency band where interference has not been performed.

[0245] Case 2: The fourth information indicates that the interference fails on the first frequency band.

[0246] As an example, when the fourth information indicates that interference on the first frequency band fails because the first wireless access network device fails to perceive the location information of the target device, after step S1008, as shown in Figure 19, the communication method may also include step S1013: the first network element determines whether interference is successful within the second interference range.

[0247] Illustratively, since the first radio access network device does not perceive the location information of the target device, the first network element cannot know whether the location of the interfered target device is within the second interference range, and therefore it can be considered that the interference fails within the second interference range.

[0248] Optionally, the first network element may send eighth information to the second network element. Accordingly, the second network element receives the eighth information from the first network element. The eighth information indicates that interference failed within the second interference range. In this case, the eighth information may include an interference record and / or a reason for the interference failure. The reason for the interference failure is that the first radio access network device failed to sense the location information of the target device.

[0249] As another example, when the fourth information indicates that interference on the first frequency band fails because a preset condition is not met, the first network element may determine the third radio access network device based on the first location information.

[0250] Exemplarily, the implementation of the third radio access network device is the same as the implementation of the third radio access network device described above. For details, please refer to the relevant description of the third radio access network device described above, which will not be repeated here.

[0251] Scenario 2: The communication method provided in the embodiment of the present application can be applied to the communication system shown in Figure 8 or Figure 9.

[0252] Referring to FIG. 20 , a communication method for use in scenario 2 is provided in an embodiment of the present application. The communication method may include the following steps:

[0253] S2001. A first network element obtains location information of a target device.

[0254] As an example, the first network element may obtain the location information of the target device from the second network element. Exemplarily, the second network element may send fifth information to the first network element. Accordingly, the first network element receives the fifth information from the second network element. The fifth information includes the location information of the target device. Exemplarily, the fifth information may be referred to as an interference service request.

[0255] Optionally, the fifth information may also include a second interference range. The second interference range is used to determine whether interference with the target device is successful. Exemplarily, the second interference range may also be referred to as a regulated airspace range. The second interference range may be represented by a polygon consisting of an ordered set of latitude and longitude coordinate points.

[0256] In this example, the second network element may determine to send the fifth information to the first network element through the following two possible implementations:

[0257] In one possible implementation, in the communication system shown in FIG8 , the second network element may, based on the location information of the target device, determine, from among at least one first network element in its supervised airspace, the first network element corresponding to the airspace where the target device is located as the first network element shown in FIG8 . The fifth information is then sent to the first network element.

[0258] In another possible implementation, in the communication system shown in FIG9 , the second network element may, based on the location information of the target device, determine, from among at least one third network element within its supervised airspace, a third network element corresponding to the airspace where the target device is located as the third network element described in FIG9 . The third network element then determines, from among at least one first network element, the first network element described in FIG9 , and thereby transmits the fifth information to the first network element.

[0259] Exemplarily, in this possible implementation, as shown in FIG21 , the process of the second network element sending the fifth information to the first network element may be based on the following steps S2001A-S2001C. That is, step S2001 may be replaced by steps S2001A-S2001C:

[0260] S2001A: The second network element sends fifth information to the third network element. Correspondingly, the third network element receives the fifth information from the second network element.

[0261] S2001B: The third network element determines, based on the location information of the target device, a first network element in the at least one first network element in the airspace it supervises, where the target device resides. The first network element is the first network element described in FIG9 (ie, the first network element described in FIG21).

[0262] S2001C: The third network element sends fifth information to the first network element. Correspondingly, the first network element receives the fifth information from the first network element.

[0263] As another example, the first network element may utilize the perception of the regulatory airspace by a wireless access network device having synaesthesia technology to determine the target device within the regulatory airspace.

[0264] Exemplarily, the first network element can serve as the EMS network element shown in Figure 4, and obtain the location information of the target device according to the process shown in Figure 4; the method for obtaining the regulatory airspace range can refer to the relevant description of the regulatory airspace range mentioned above, and will not be repeated here.

[0265] For the convenience of description, the following description is given by taking an example in which a first network element obtains the location information of a target device from a second network element.

[0266] S2002. The first network element determines the first wireless access network device and the second wireless access network device based on the location information of the target device. The target device exists within the signal coverage of the first wireless access network device, and the first wireless access network device will interfere with the target device. The second wireless access network device is the service wireless access network device of the third terminal device, and the third terminal device is located within the signal coverage of the first wireless access network device.

[0267] S2003. The first network element sends ninth information to the second radio access network device, where the ninth information is used by the second radio access network device to request that the third terminal device be switched to the first radio access network device.

[0268] Optionally, the ninth information may also be used to indicate the address information of the first radio access network device. The second radio access network device may inform the third terminal device of the address information of the first radio access network device, so that the third terminal device can switch to the first radio access network device.

[0269] Optionally, after step S2002, as shown in FIG22 , the communication method may further include step S2004: the first network element sends third information to the first radio access network device, where the third information instructs the first radio access network device to interfere with the target device.

[0270] Exemplarily, the implementation of the third information can refer to the relevant description of the third information in the above scenario one, which will not be repeated here.

[0271] It should be noted that the above steps S2001-S2003 are merely exemplary descriptions of the communication process. There is no specific order in which steps S2003 and S2004 can be performed. For example, step S2003 can be performed before step S2004; alternatively, step S2003 can be performed after step S2004; or alternatively, step S2003 and step S2004 can be performed simultaneously.

[0272] After step S2003, as shown in FIG22 , the method may further include the following steps:

[0273] S2005. The second wireless access network device sends tenth information to the first wireless access network device, where the tenth information is used to request that the third terminal device be connected to the first wireless access network device.

[0274] S2006: The first radio access network device sends access permission response information to the second radio access network device. Correspondingly, the second radio access network device receives the access permission response information from the first radio access device.

[0275] S2007: The second radio access network device sends the address information of the first radio access network device to the third terminal device. Correspondingly, the third terminal device receives the address information of the first radio access network device from the second radio access network device.

[0276] S2008. The third terminal device accesses the first wireless access network device.

[0277] Optionally, after step S2008, user data may be forwarded between the second radio access network device and the third terminal device through the first radio access network device.

[0278] S2009: The first radio access network device interferes with the target device.

[0279] Optionally, the first radio access network device interferes with the target device, including: the first radio access network device sends a second noise signal, the second noise signal is carried in a second time unit, and the second time unit is a time unit that does not carry downlink information in at least one downlink time unit.

[0280] Optionally, in order to avoid interference to the terminal device accessing the cellular network within the signal coverage of the first wireless access network device, the first wireless access network device may interfere with the target device in other time units other than the time units occupied by the communication service of the terminal device accessing the cellular network based on the communication service of the terminal device accessing the cellular network.

[0281] For example, taking a group of continuous downlink time units including time unit #1-time unit #9 as an example, if the communication service of the terminal device accessing the cellular network is carried on the time units including time unit #1-time unit #3, the first wireless access network device can interfere with the target device (such as sending a noise signal) on time unit #4-time unit #9.

[0282] Based on this selected solution, after the third terminal device switches from the second radio access network device to the first radio access network device, the third terminal device can communicate with the first radio access network device. The second noise signal is transmitted during time periods that do not carry downlink information. In other words, the first radio access network device transmits the second noise signal during time periods when it is not communicating with the third terminal device. This prevents interference with the third terminal device's communication services.

[0283] Based on scenario 2, an embodiment of the present application provides a communication method, in which, when a third terminal device and a target device are both present within the signal coverage range of a first radio access network device, the first network element can instruct the second radio access network device to switch the third terminal device to the first radio access network device. Therefore, after the third terminal device subsequently accesses the first radio access network device, the first radio access network device can obtain the time of the third terminal device's communication service, so that when interfering with the target device, the time of the third terminal device's communication service can be taken into account. For example, the target device can be interfered with at a time other than the time of the third terminal device's communication service, thereby preventing the third terminal device from being interfered with.

[0284] The third terminal device mentioned in the above embodiment is introduced in detail below.

[0285] As an example, the third terminal device can be understood as a terminal device that accesses the cellular network within the signal coverage of the first wireless access network device, and whose serving wireless access network device is the second wireless access network device.

[0286] Optionally, the first network element determines the second wireless access network device, including: the first network element can determine a first interference range based on a first power, the first power is greater than or equal to the current signal transmission power of the first wireless access network device, and the first interference range is the signal coverage range when the first wireless access network device sends a signal according to the first power; among at least one terminal device within the first interference range, the terminal device whose serving wireless access network device is not the first wireless access network device is determined as a third terminal device; and the serving wireless access network device of the third terminal device is determined as the second wireless access network device.

[0287] Exemplarily, the implementation of the third terminal device is similar to the implementation of the first terminal device in FIG. 14 . For details, please refer to the relevant description of FIG. 15 and no further details will be given here.

[0288] Based on this optional solution, since the first interference range is determined according to the first power, when the first wireless access network device subsequently uses the first power to interfere with the target device, all terminal devices within the first interference range will be interfered with. Therefore, among the terminal devices within the first interference range, the terminal device whose service wireless access network device is not the first wireless access network device is determined as the third terminal device, and then the third terminal device is switched from the second wireless access network device to the first wireless access network device, thereby avoiding the first terminal device being interfered with when the first wireless access network device interferes with the target device.

[0289] As another example, the third terminal device can be understood as a terminal device that accesses the cellular network within the signal coverage of the first wireless access network device, a terminal device whose serving wireless access network device is the second wireless access network device, and a terminal device whose signal interference intensity from the first wireless access device is greater than a preset intensity threshold.

[0290] Exemplarily, the third terminal device may be determined according to the following steps. That is, before step S2005, as shown in FIG23 , the method may further include the following steps:

[0291] S2010: The second radio access network device may notify a fourth terminal device to measure interference intensity of a signal from the first radio access network device on the fourth terminal device. The fourth terminal device is a terminal device that is within the signal coverage of the first radio access network device and accesses a cellular network, and whose serving radio access network device is the second radio access network device.

[0292] S2011: The first radio access network device sends a channel measurement signal. The channel measurement signal is used by the fourth terminal device to determine signal strength.

[0293] Exemplarily, the first radio access network device may broadcast a channel measurement signal. The channel measurement signal may include a channel state information-reference signal (CSI-RS).

[0294] S2012: The fourth terminal device sends measurement information to the second radio access network device. Correspondingly, the second radio access network device receives the measurement information from the fourth terminal device. The measurement information includes the signal strength of the channel measurement signal received by the fourth terminal device.

[0295] Optionally, the measurement information may be used to request resource configuration of the terminal device for the first radio access network device.

[0296] S2013. The second radio access network device may determine the third terminal device from the fourth terminal device based on the measurement information.

[0297] After step S2013, steps S2005 to S2009 may be executed.

[0298] Optionally, after the above step S2009, the communication method may further include the following steps:

[0299] S2014: The first radio access network device sends fourth information to the first network element. Correspondingly, the first network element receives the fourth information from the first radio access network device.

[0300] Exemplarily, the implementation of step S2014 is the same as that of step S1008. For the specific implementation process, please refer to the relevant description of step S1008, and this application will not elaborate on it here.

[0301] When the fourth information indicates that the interference is successful on the first frequency band, the following steps may be performed:

[0302] S2015. The first network element determines whether the location of the target device after being interfered with is within the signal coverage of the first cell.

[0303] Exemplarily, the implementation of step S2015 is the same as that of step S1009. For the specific implementation process, please refer to the relevant description of step S1009, which will not be described in detail in this application.

[0304] If the target device is located within the signal coverage of the first cell after being interfered with, step S2016 may be executed: the first network element sends seventh information to the first radio access network device. Accordingly, the first radio access network device receives the seventh information from the first network element.

[0305] Exemplarily, the implementation of step S2016 is the same as that of step S1010. For the specific implementation process, please refer to the relevant description of step S1010, and this application will not elaborate on it here.

[0306] In the case that the location of the target device after being interfered is outside the signal coverage range of the first cell, step S2017 may be executed: the first network element determines whether the interference is successful within the second interference range.

[0307] Exemplarily, the implementation of step S2017 is the same as that of step S1011. For the specific implementation process, please refer to the relevant description of step S1011, and this application will not elaborate on it here.

[0308] If the interference is successful within the second interference range, step S2018 may be performed: the first network element sends sixth information to the second network element. Correspondingly, the second network element receives the sixth information from the first network element.

[0309] Exemplarily, the implementation of step S2018 is the same as that of step S1012. For the specific implementation process, please refer to the relevant description of step S1012, and this application will not elaborate on it here.

[0310] Optionally, in the event that interference fails within the second interference range, the first network element can determine the third wireless access network device and the fourth wireless access network device based on the first location information (i.e., the location of the target device after interference), and the third wireless access network device will interfere with the target device. The fourth wireless access network device is the service wireless access network device of the fifth terminal device, and the fifth terminal device is located within the signal coverage range of the third wireless access network device. The location of the target device after interference is located within the signal coverage range of the third wireless access network device.

[0311] Exemplarily, the third radio access network device may be any one of the multiple radio access network devices corresponding to the signal coverage ranges of the target device's location after the interference. The third radio access network device and the first radio access network device may be the same radio access network device. For example, the third radio access network device may be the radio access network device closest to the target device among the multiple radio access network devices corresponding to the signal coverage ranges of the target device's location after the interference.

[0312] Optionally, in the event of interference failure within the second interference range, the first network element determines the third wireless access network device based on the first location information, including: in the event of interference failure within the second interference range, the first network element determines whether there is a frequency band in at least one frequency band other than the first frequency band that is not interfered with; in the event that there is a frequency band that is not interfered with, determining the third wireless access network device and the fourth wireless access network device based on the first location information.

[0313] Optionally, determining the third radio access network device and the fourth radio access network device based on the first location information includes: after determining the third radio access network device, the first network element may further determine a fifth terminal device. Exemplarily, the implementation of the fifth terminal device is similar to that of the second terminal device. For details, reference may be made to the description of the second terminal device above, and no further details are given here.

[0314] Optionally, after determining the third radio access network device and the fourth radio access network device, the third radio access network device may interfere with the target device on the second frequency band. The frequency band that is not interfered with includes the second frequency band, and the first location information (the location of the target device after the interference) is within the signal coverage range of the second cell, and the frequency point of the second cell is within the second frequency band.

[0315] Exemplarily, the process of the third radio access network device performing interference is similar to the above step S1007. For details, reference may be made to the relevant description of the above step S1007, which will not be repeated here.

[0316] Optionally, when interference fails within the second interference range and there is no frequency band where interference is not performed, the first network element may send eighth information to the second network element. Accordingly, the second network element receives the eighth information from the first network element. The eighth information indicates that interference fails within the second interference range.

[0317] Exemplarily, the process of the first network element sending the eighth information to the second network element is similar to the process of the first network element sending the sixth information to the second network element. For details, please refer to the relevant description of the above step S1012, which will not be repeated here.

[0318] In the case where the fourth information indicates that the interference failed on the first frequency band, the following step 2019 may be performed: the first network element determines whether the interference is successful within the second interference range.

[0319] Exemplarily, the implementation of step S2019 is the same as the implementation of step S1011. For the specific implementation process, please refer to the relevant description of step S1011, and this application will not go into details here. It can be understood that in the above embodiments, the methods and / or steps implemented by the wireless access network device (such as the first wireless access network device or the second wireless access network device) can also be implemented by components (such as processors, chips, chip systems, circuits, logic modules, or software such as chips or circuits) that can be used for the wireless access network device; the methods and / or steps implemented by the first network element can also be implemented by components (such as processors, chips, chip systems, circuits, logic modules, or software such as chips or circuits) that can be used for the first network element.

[0320] The above mainly introduces the solutions provided by this application. Accordingly, this application also provides a communication device, which is used to implement the various methods described above. The communication device can be the first network element in the above method embodiments, or a device including the above first network element, or a component that can be used for the first network element, such as a chip or chip system; or the communication device can be the wireless access network device in the above method embodiments, or a device including the above wireless access network device, or a component that can be used for the wireless access network device, such as a chip or chip system.

[0321] It is understandable that, in order to realize the above functions, the communication device includes hardware structures and / or software modules corresponding to the execution of each function. It should be easily appreciated by those skilled in the art that, in combination with the units and algorithm steps of each example described in the embodiments disclosed herein, the present application can be implemented in the form of hardware or a combination of hardware and computer software. Whether a function is executed in the form of hardware or computer software driving hardware depends on the specific application and design constraints of the technical solution. Professional and technical personnel can use different methods to implement the described functions for each specific application, but such implementation should not be considered to be beyond the scope of this application.

[0322] The embodiment of the present application can divide the functional modules of the communication device according to the above method embodiment. For example, each functional module can be divided according to each function, or two or more functions can be integrated into one processing module. The above integrated modules can be implemented in the form of hardware or in the form of software functional modules. It should be noted that the division of modules in the embodiment of the present application is schematic and is only a logical functional division. In actual implementation, there may be other division methods.

[0323] 24 shows a schematic structural diagram of a communication device 240. The communication device 240 includes a processing module 2401 and a transceiver module 2402. The communication device 240 can be used to implement the functions of the above-mentioned radio access network device or first network element.

[0324] In some embodiments, the communication device 240 may further include a storage module (not shown in FIG. 24 ) for storing program instructions and data.

[0325] In some embodiments, the transceiver module 2402, which may also be referred to as a transceiver unit, is configured to implement a transmitting and / or receiving function. The transceiver module 2402 may be composed of a transceiver circuit, a transceiver, a transceiver, or a communication interface.

[0326] In some embodiments, the transceiver module 2402 may include a receiving module and a sending module, which are respectively used to execute the receiving and sending steps performed by the wireless access network device or the first network element in the above method embodiment, and / or used to support other processes of the technology described in this document; the processing module 2401 may be used to execute the processing steps (such as determination, generation, etc.) performed by the wireless access network device or the first network element in the above method embodiment, and / or used to support other processes of the technology described in this document.

[0327] When the communication device 240 is used to implement the functions of the first network element:

[0328] In some embodiments, processing module 2401 is configured to obtain location information of a target device and further to determine, based on the location information of the target device, a first radio access network device that will interfere with the target device. Transceiver module 2402 is configured to send first information indicating that the first terminal device should be removed from the signal coverage of the first radio access network device.

[0329] Optionally, the processing module 2401 is further configured to determine, based on the first location information, a third radio access network device that will interfere with the target device that has been interfered with.

[0330] In some other embodiments, the processing module 2401 is configured to obtain location information of the target device; the processing module 2401 is further configured to determine the first radio access network device and the second radio access network device based on the location information of the target device; and the transceiver module 2402 is configured to send ninth information to the second radio access network device.

[0331] Optionally, the processing module 2401 is also used to determine a first interference range based on the first power, where the first power is greater than or equal to the current signal transmission power of the first wireless access network device; the processing module 2401 is also used to determine, among at least one terminal device within the first interference range, a terminal device whose serving wireless access network device is not the first wireless access network device, as a third terminal device; the processing module 2401 is also used to determine the serving wireless access network device of the third terminal device as a second wireless access network device.

[0332] Optionally, the processing module 2401 is further configured to determine a third radio access network device and a fourth radio access network device according to the first location information.

[0333] In combination with the above two embodiments, optionally, the transceiver module 2402 is further configured to send third information to the first radio access network device, where the third information instructs the first radio access network device to interfere with the target device.

[0334] In combination with the above two embodiments, optionally, the transceiver module 2402 is further configured to receive fourth information from the first radio access network device, where the fourth information indicates whether interference is successful on the first frequency band.

[0335] In combination with the above two embodiments, optionally, the transceiver module 2402 is further configured to receive fifth information indicating a second interference range; and the processing module 2401 is further configured to determine whether interference is successful within the second interference range.

[0336] In combination with the above two embodiments, optionally, the transceiver module 2402 is further configured to send sixth information to the second network element, where the sixth information indicates that interference is successful within the second interference range.

[0337] In combination with the first aspect and the second aspect, optionally, the transceiver module 2402 is further configured to send seventh information to the first radio access network device, where the seventh information instructs the first radio access network device to continue interfering with the target device on the first frequency band.

[0338] When the communication device 240 is used to implement the functions of the above-mentioned wireless access network device:

[0339] As an example, the wireless access network device is a first wireless access network device.

[0340] In some embodiments, when the first terminal device successfully migrates from the signal coverage range of the first wireless access network device, the processing module 2401 is used to interfere with the target device, and the target device is located in the signal coverage range of the first wireless access network device.

[0341] Optionally, the transceiver module 2402 is configured to send a first noise signal, where the first noise signal is carried in a first time unit, and the first time unit includes at least one downlink time unit.

[0342] In some other embodiments, when the third terminal device switches from the second radio access network device to the first radio access network device, the processing module 2401 is configured to interfere with the target device.

[0343] Optionally, the transceiver module 2402 is configured to send a second noise signal, where the second noise signal is carried in a second time unit, and the second time unit is a time unit that does not carry downlink information in the at least one downlink time unit.

[0344] In combination with the above two embodiments, optionally, the transceiver module 2402 is also used to interfere with the target device on a first frequency band, where the first frequency band is one of at least one frequency band of the first wireless access network device; the transceiver module 2402 is also used to send fourth information, which indicates whether the interference is successful on the first frequency band.

[0345] As another example, the wireless access network device is a second wireless access network device.

[0346] In some embodiments, the transceiver module 2402 is configured to receive ninth information; the transceiver module 2402 is further configured to send tenth information to the first radio access network device.

[0347] Among them, all relevant contents of each step involved in the above method embodiment can be referred to the functional description of the corresponding functional module and will not be repeated here.

[0348] In the present application, the communication device 240 may be presented in the form of various functional modules divided in an integrated manner. The "module" here may refer to a specific application-specific integrated circuit (ASIC), a circuit, a processor and memory that executes one or more software or firmware programs, an integrated logic circuit, and / or other devices that can provide the above functions.

[0349] In some embodiments, when the communication device 240 in Figure 24 is a chip or a chip system, the function / implementation process of the transceiver module 2402 can be implemented through the input and output interface (or communication interface) of the chip or chip system, and the function / implementation process of the processing module 2401 can be implemented through the processor (or processing circuit) of the chip or chip system.

[0350] Since the communication device 240 provided in this embodiment can execute the above method, the technical effects that can be obtained can refer to the above method embodiments and will not be repeated here.

[0351] As a possible product form, the wireless access network device or the first network element described in the embodiment of the present application can also be implemented using the following: one or more field programmable gate arrays (FPGAs), programmable logic devices (PLDs), controllers, state machines, gate logic, discrete hardware components, any other suitable circuits, or any combination of circuits capable of performing the various functions described throughout this application.

[0352] As another possible product form, the wireless access network device or the first network element of the embodiment of the present application can be implemented by a general bus architecture. For ease of explanation, refer to Figure 25, which is a structural diagram of a communication device 250 provided in an embodiment of the present application, and the communication device 250 includes a processor 2501 and a transceiver 2502. The communication device 250 can be a first network element, or a chip or chip system therein; or, the communication device 250 can be a wireless access network device, or a chip or module therein. Figure 25 only shows the main components of the communication device 250. In addition to the processor 2501 and the transceiver 2502, the communication device may further include a memory 2503, and an input and output device (not shown in Figure 25).

[0353] Optionally, processor 2501 is primarily used to process communication protocols and communication data, as well as control the entire communication device, execute software programs, and process software program data. Memory 2503 is primarily used to store software programs and data. Transceiver 2502 may include a radio frequency circuit and an antenna. The radio frequency circuit is primarily used to convert baseband signals into radio frequency signals and process radio frequency signals. The antenna is primarily used to transmit and receive radio frequency signals in the form of electromagnetic waves. Input and output devices, such as a touch screen, display, and keyboard, are primarily used to receive user input and output data to the user.

[0354] Optionally, the processor 2501, the transceiver 2502, and the memory 2503 may be connected via a communication bus.

[0355] When the communication device is turned on, the processor 2501 can read the software program in the memory 2503, interpret and execute the instructions of the software program, and process the data of the software program. When data needs to be sent wirelessly, the processor 2501 performs baseband processing on the data to be sent and outputs the baseband signal to the radio frequency circuit. The radio frequency circuit performs radio frequency processing on the baseband signal and then transmits the radio frequency signal to the outside in the form of electromagnetic waves through the antenna. When data is sent to the communication device, the radio frequency circuit receives the radio frequency signal through the antenna, converts the radio frequency signal into a baseband signal, and outputs the baseband signal to the processor 2501. The processor 2501 converts the baseband signal into data and processes the data.

[0356] In another implementation, the RF circuit and antenna may be provided independently of the processor performing baseband processing. For example, in a distributed scenario, the RF circuit and antenna may be remotely arranged independent of the communication device.

[0357] In some embodiments, in terms of hardware implementation, those skilled in the art may conceive that the above-mentioned communication device 240 may take the form of the communication device 250 shown in FIG. 25 .

[0358] As an example, the functions / implementation process of the processing module 2401 in FIG24 can be implemented by the processor 2501 in the communication device 250 shown in FIG25 calling the computer-executable instructions stored in the memory 2503. The functions / implementation process of the transceiver module 2402 in FIG24 can be implemented by the transceiver 2502 in the communication device 250 shown in FIG25.

[0359] As another possible product form, the wireless access network device or first network element in the present application may adopt the structure shown in Figure 26, or include the components shown in Figure 26. Figure 26 is a schematic diagram of the structure of a communication device 260 provided in the present application. The communication device 260 may be a first network element or a chip or system-on-chip in the first network element; or, it may be a wireless access network device or a module, chip, or system-on-chip in the wireless access network device.

[0360] As shown in FIG26 , the communication device 260 includes at least one processor 2601 and at least one communication interface ( FIG26 is merely an example of one communication interface 2604 and one processor 2601). Optionally, the communication device 260 may further include a communication bus 2602 and a memory 2603.

[0361] Processor 2601 can be a general-purpose central processing unit (CPU), a general-purpose processor, a network processor (NP), a digital signal processor (DSP), a microprocessor, a microcontroller, a programmable logic device (PLD), or any combination thereof. Processor 2601 can also be other devices with processing capabilities, such as circuits, devices, or software modules, without limitation.

[0362] Communication bus 2602 is used to connect the various components in communication device 260, enabling communication between them. Communication bus 2602 may be a Peripheral Component Interconnect (PCI) bus or an Extended Industry Standard Architecture (EISA) bus, for example. This bus can be classified as an address bus, a data bus, a control bus, etc. For ease of illustration, FIG26 shows only one thick line, but this does not imply that there is only one bus or only one type of bus.

[0363] Communication interface 2604 is used to communicate with other devices or communication networks. Exemplarily, communication interface 2604 can be a module, circuit, transceiver, or any other device capable of communication. Optionally, communication interface 2604 can also be an input / output interface within processor 2601, used to implement signal input and output to the processor.

[0364] The memory 2603 may be a device with a storage function, used to store instructions and / or data, wherein the instructions may be computer programs.

[0365] Exemplarily, the memory 2603 may be a read-only memory (ROM) or other types of static storage devices that can store static information and / or instructions, or a random access memory (RAM) or other types of dynamic storage devices that can store information and / or instructions, or an electrically erasable programmable read-only memory (EEPROM), a compact disc read-only memory (CD-ROM) or other optical disc storage, optical disc storage (including compact discs, laser discs, optical discs, digital versatile discs, Blu-ray discs, etc.), magnetic disk storage media or other magnetic storage devices, etc., without limitation.

[0366] It should be noted that the memory 2603 can exist independently of the processor 2601 or can be integrated with the processor 2601. The memory 2603 can be located within the communication device 260 or outside the communication device 260, without limitation. The processor 2601 can be used to execute instructions stored in the memory 2603 to implement the methods provided in the following embodiments of the present application.

[0367] As an optional implementation, the communication device 260 may further include an output device 2605 and an input device 2606. The output device 2605 communicates with the processor 2601 and can display information in a variety of ways. For example, the output device 2605 can be a liquid crystal display (LCD), a light emitting diode (LED) display device, a cathode ray tube (CRT) display device, or a projector. The input device 2606 communicates with the processor 2601 and can receive user input in a variety of ways. For example, the input device 2506 can be a mouse, a keyboard, a touch screen device, or a sensor device.

[0368] In some embodiments, in terms of hardware implementation, those skilled in the art may conceive that the above-mentioned communication device 240 may take the form of the communication device 260 shown in FIG. 26 .

[0369] As an example, the functions / implementation process of the processing module 2401 in FIG24 can be implemented by the processor 2601 in the communication device 260 shown in FIG26 calling the computer-executable instructions stored in the memory 2603. The functions / implementation process of the transceiver module 2402 in FIG24 can be implemented by the communication interface 2604 in the communication device 260 shown in FIG26.

[0370] It should be noted that the structure shown in Figure 26 does not constitute a specific limitation on the radio access network device or the first network element. For example, in other embodiments of the present application, the radio access network device or the first network element may include more or fewer components than shown, or may combine or separate certain components, or arrange the components differently. The components shown in the figure may be implemented in hardware, software, or a combination of software and hardware.

[0371] In some embodiments, an embodiment of the present application further provides a communication device, which includes a processor for implementing the method in any of the above method embodiments.

[0372] As a possible implementation, the communication device further includes a memory. The memory is used to store necessary computer programs and data. The computer program may include instructions, and the processor may invoke the instructions in the computer program stored in the memory to instruct the communication device to perform any of the above-described method embodiments. Of course, the memory may not be located in the communication device.

[0373] As another possible implementation, the communication device also includes an interface circuit, which is a code / data read / write interface circuit, and the interface circuit is used to receive computer execution instructions (computer execution instructions are stored in a memory, may be read directly from the memory, or may pass through other devices) and transmit them to the processor.

[0374] As another possible implementation, the communication device further includes a communication interface, where the communication interface is used to communicate with a module outside the communication device.

[0375] It can be understood that the communication device can be a chip or a chip system. When the communication device is a chip system, it can be composed of chips or include chips and other discrete devices. The embodiments of the present application do not specifically limit this.

[0376] The present application also provides a computer-readable storage medium having a computer program or instruction stored thereon, which implements the functions of any of the above method embodiments when executed by a computer.

[0377] The present application also provides a computer program product, which implements the functions of any of the above method embodiments when executed by a computer.

[0378] Those skilled in the art will appreciate that, for the sake of convenience and brevity of description, the specific working processes of the above-described systems, devices, and units may refer to the corresponding processes in the aforementioned method embodiments and will not be repeated here.

[0379] It is understood that the systems, devices, and methods described in this application may also be implemented in other ways. For example, the device embodiments described above are merely illustrative. For example, the division of the units is merely a logical function division. In actual implementation, there may be other division methods, such as multiple units or components can be combined or integrated into another system, or some features can be ignored or not executed. In addition, the coupling or direct coupling or communication connection shown or discussed may be through some interface, indirect coupling or communication connection of devices or units, and may be electrical, mechanical, or other forms.

[0380] The units described as separate components may or may not be physically separate, i.e., they may be located in one place or distributed across multiple network units. Components shown as units may or may not be physical units. Some or all of these units may be selected to achieve the objectives of this embodiment as needed.

[0381] In addition, each functional unit in each embodiment of the present application may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit.

[0382] In the above embodiments, all or part of the embodiments may be implemented by software, hardware, firmware, or any combination thereof. When implemented using a software program, all or part of the embodiments may be implemented in the form of a computer program product. The computer program product includes one or more computer instructions. When the computer program instructions are loaded and executed on a computer, all or part of the processes or functions described in the embodiments of the present application are generated. The computer may be a general-purpose computer, a special-purpose computer, a computer network, or other programmable device. The computer instructions may be stored in a computer-readable storage medium or transmitted from one computer-readable storage medium to another computer-readable storage medium. For example, the computer instructions may be transmitted from one website, computer, server, or data center to another website, computer, server, or data center via a wired (e.g., coaxial cable, optical fiber, digital subscriber line (DSL)) or wireless (e.g., infrared, wireless, microwave, etc.) method. The computer-readable storage medium may be any available medium that a computer can access or a data storage device such as a server or data center that includes one or more media integrated therein. The available medium may be a magnetic medium (e.g., a floppy disk, a hard disk, a magnetic tape), an optical medium (e.g., a DVD), or a semiconductor medium (e.g., a solid state disk (SSD)). In the embodiment of the present application, the computer may include the aforementioned device.

[0383] Although the present application is described herein in conjunction with various embodiments, in the process of implementing the claimed application, those skilled in the art can understand and implement other changes to the disclosed embodiments by reviewing the drawings, the disclosure, and the appended claims. In the claims, the word "comprising" does not exclude other components or steps, and "a" or "an" does not exclude multiple situations. A single processor or other unit can implement several functions listed in the claims. Certain measures are recorded in different dependent claims, but this does not mean that these measures cannot be combined to produce good results.

[0384] Although the present application has been described with reference to specific features and embodiments thereof, it is apparent that various modifications and combinations may be made thereto without departing from the scope of the present application. Accordingly, this specification and the drawings are merely illustrative of the present application as defined by the appended claims and are deemed to cover any and all modifications, variations, combinations or equivalents within the scope of the present application. Obviously, those skilled in the art may make various modifications and variations to the present application without departing from the scope of the present application. Thus, the present application is intended to include such modifications and variations as fall within the scope of the claims of the present application and their equivalents.

Claims

1. A communication method, characterized in that: The method comprises: Get the location information of the target device; Determining, according to the location information of the target device, a first wireless access network device that will interfere with the target device, wherein the target device is located within a signal coverage range of the first wireless access network device; Send first information, where the first information indicates to move a first terminal device out of a signal coverage range of the first wireless access network device, where the first terminal device is a terminal device within the signal coverage range of the first wireless access network device.

2. The method according to claim 1, characterized in that The signal coverage range of the first radio access network device is a signal coverage range when the first radio access network device sends a signal at a first power, and the first power is greater than or equal to a current signal sending power of the first radio access network device.

3. The method according to claim 1 or 2, characterized in that: The method further comprises: receiving second information, wherein the second information indicates that the migration of the first terminal device is successful; Sending third information, where the third information indicates that the first radio access network device interferes with the target device.

4. The method according to claim 3, characterized in that The method further comprises: Fourth information is received, where the fourth information indicates whether interference is successful on a first frequency band, where the first frequency band is one of at least one frequency band of the first radio access network device.

5. The method according to claim 4, characterized in that The fourth information includes the state information of the target device; the state information includes the first state information or the second state information, In the case where the interference is successful on the first frequency band, the state information is the first state information, In the case where interference fails on the first frequency band, the state information is the second state information.

6. The method according to claim 5, characterized in that The first status information indicates that the target device continues to move away from the center of the signal coverage of the first cell, or the target device continues to land within the signal coverage of the first cell, and the frequency point of the first cell is within the first frequency band.

7. The method according to any one of claims 4 to 6, characterized in that: The method further comprises: receiving fifth information, wherein the fifth information indicates a second interference range; In a case where the fourth information indicates that the interference is successful on the first frequency band, it is determined whether the interference is successful within the second interference range.

8. The method according to claim 7, characterized in that The fourth information further includes first location information, wherein the first location information indicates the location of the target device after being disturbed; In a case where the location of the target device after being interfered is outside the second interference range, the interference is successful within the second interference range; In a case where the location of the target device after being interfered is within the second interference range, the interference fails within the second interference range.

9. The method according to claim 8, characterized in that In a case where the fourth information indicates that the interference on the first frequency band is successful, and the location of the target device after the interference is outside the second interference range, the method further includes: Send sixth information, where the sixth information indicates that the interference is successful within the second interference range.

10. The method according to claim 8, characterized in that In a case where the fourth information indicates that the interference on the first frequency band is successful, and the location of the target device after the interference is within the second interference range, the method further includes: In a case where the location of the target device after the interference is outside the signal coverage range of the cell of the first frequency band, determining, according to the first location information, a third radio access network device that will interfere with the target device after the interference, and the location of the target device after the interference is within the signal coverage range of the third radio access network device; When the location of the target device after being interfered is within the signal coverage of the cell of the first frequency band, seventh information is sent to the first wireless access network device, and the seventh information instructs the first wireless access network device to continue to interfere with the target device on the first frequency band.

11. The method according to claim 5, characterized in that The fourth information further includes first location information, where the first location information indicates a location of the target device after being interfered with; when the fourth information indicates that the interference fails on the first frequency band, the method further includes: A third wireless access network device that will interfere with the target device after the interference is determined according to the first location information, wherein the location of the target device after the interference is within the signal coverage of the third wireless access network device.

12. A communication method, characterized in that: The method comprises: When the first terminal device successfully migrates from the signal coverage range of the first wireless access network device, interference is performed on a target device, where the target device is located within the signal coverage range of the first wireless access network device.

13. The method according to claim 12, characterized in that The interference with the target device includes: A first noise signal is sent, where the first noise signal is carried in a first time unit, and the first time unit includes at least one downlink time unit.

14. The method according to claim 12 or 13, characterized in that The interference with the target device includes: Interfering the target device on a first frequency band, where the first frequency band is one of at least one frequency band of the first wireless access network device; The method further comprises: Send fourth information, where the fourth information indicates whether the interference is successful on the first frequency band.

15. The method according to claim 14, characterized in that When the preset condition is met, the fourth information indicates that the interference is successful on the first frequency band; When the preset condition is not met, the fourth information indicates that interference fails on the first frequency band; The preset conditions include: In the process of interfering with the target device, the first distance is greater than the second distance, the first distance is the distance between the target device and the center of the signal coverage of the first cell at a first moment, the second distance is the distance between the target device and the center of the signal coverage of the first cell at a second moment, and the first moment is located after the second moment; and / or, During the interference with the target device, the height of the target device at a third moment is lower than the height of the target device at a fourth moment, and the third moment is located after the fourth moment.

16. The method according to claim 15, characterized in that The fourth information includes status information of the target device, In the process of interfering with the target device, when the first distance is greater than the second distance, the state information includes that the target device continues to move away from the center of the signal coverage range of the first cell; During the interference with the target device, when the height of the target device at the third moment is lower than the height of the target device at the fourth moment, the status information includes that the target device continues to land within the signal coverage of the first cell.

17. A communication method, characterized in that: The method comprises: Get the location information of the target device; Determine, according to the location information of the target device, a first wireless access network device and a second wireless access network device, the target device is located within the signal coverage range of the first wireless access network device, the first wireless access network device will interfere with the target device, the second wireless access network device is a service wireless access network device for a third terminal device, and the third terminal device is located within the signal coverage range of the first wireless access network device; The ninth information is sent to the second wireless access network device, where the ninth information is used by the second wireless access network device to request that the third terminal device be switched to the first wireless access network device.

18. The method according to claim 17, characterized in that The determining of the second radio access network device comprises: Determine a first interference range according to a first power, where the first power is greater than or equal to a current signal transmission power of the first radio access network device, and the first interference range is a signal coverage range when the first radio access network device transmits a signal according to the first power; Determine, among at least one terminal device within the first interference range, a terminal device whose serving radio access network device is not the first radio access network device as the third terminal device; The serving radio access network device of the third terminal device is determined to be the second radio access network device.

19. The method according to claim 17 or 18, characterized in that The method further comprises: Sending third information to the target device, where the third information indicates that the first radio access network device interferes with the target device.

20. A communication method, characterized in that: The method comprises: In the case where the third terminal device switches from the second wireless access network device to the first wireless access network device, interference is performed on the target device, and the target device and the third terminal device are located within the signal coverage range of the first wireless access network device.

21. The method according to claim 20, characterized in that The interference with the target device includes: A second noise signal is sent, where the second noise signal is carried in a second time unit, and the second time unit is a time unit that does not carry downlink information in at least one downlink time unit.

22. A communication method, characterized in that: The method comprises: Receive ninth information, where the ninth information is used by the second wireless access network device to request that the third terminal device be switched to the first wireless access network device The third terminal device is located in the signal coverage range of the first wireless access network device, and the service wireless access network device of the third terminal device is the second wireless access network device; The tenth information is sent to the first wireless access network device, where the tenth information is used to request that a third terminal device served by the second wireless access network device be switched to the first wireless access network device.

23. A communication device, characterized in that: The communication device includes a transceiver module and a processing module. The transceiver module is used to perform the receiving behavior or the sending behavior in the method according to any one of claims 1 to 11, or the transceiver module is used to perform the receiving behavior or the sending behavior in the method according to any one of claims 12 to 16, or the transceiver module is used to perform the receiving behavior or the sending behavior in the method according to any one of claims 17 to 19, or the transceiver module is used to perform the receiving behavior or the sending behavior in the method according to any one of claims 20 to 21, or the transceiver module is used to perform the receiving behavior or the sending behavior in the method according to claim 22; The processing module is used to perform the processing behavior in the method described in any one of claims 1-11, or the transceiver module is used to perform the processing behavior in the method described in any one of claims 12-16, or the transceiver module is used to perform the processing behavior in the method described in any one of claims 17-19, or the transceiver module is used to perform the processing behavior in the method described in any one of claims 20-21, or the transceiver module is used to perform the processing behavior in the method described in claim 22.

24. A communication device, characterized in that: The communication device includes a processor; the processor is used to run a computer program or instructions so that the communication device performs the method as described in any one of claims 1-11, or so that the communication device performs the method as described in any one of claims 12-16, or so that the communication device performs the method as described in any one of claims 17-19, or so that the communication device performs the method as described in any one of claims 20-21, or so that the communication device performs the method as described in claim 22.

25. A computer-readable storage medium, characterized in that: The computer-readable storage medium stores computer instructions or programs, which, when executed on a computer, cause the method according to any one of claims 1 to 11 to be executed, or the method according to any one of claims 12 to 16 to be executed, or the method according to any one of claims 17 to 19 to be executed, or the method according to any one of claims 20 to 21 to be executed, or the method according to claim 22 to be executed.

26. A computer program product, characterized in that When the computer program product runs on a communication device, the communication device executes the method of any one of claims 1-11, or the communication device executes the method of any one of claims 12-16, or the communication device executes the method of any one of claims 17-19, or the communication device executes the method of any one of claims 20-21, or the communication device executes the method of claim 22.

27. A chip, characterized in that: include: A processor, the processor is coupled to a memory, the memory is used to store programs or instructions, when the program or instructions are executed by the processor, the chip executes the method as described in any one of claims 1-11, or the chip executes the method as described in any one of claims 12-16, or the chip executes the method as described in any one of claims 17-19, or the chip executes the method as described in any one of claims 20-21, or the chip executes the method as described in claim 22.

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