Wireless network communication method, apparatus, storage medium and program product

Abstract

Provided in the present disclosure are a wireless network communication method, a communication apparatus, a storage medium and a program product. The method comprises: communicating with at least one of a network device for first-type communication or a network device for second-type communication on a target frequency spectrum, wherein the target frequency spectrum is a frequency domain resource used for the first-type communication and the second-type communication.

Description

Wireless network communication method and apparatus, storage medium, and program product

[0001] This application claims priority to Chinese Patent Application No. 202411046519.3, filed on July 31, 2024, the entire contents of which are incorporated herein by reference. TECHNICAL FIELD

[0002] The present disclosure relates to the technical field of communication, and particularly relates to a wireless network communication method, apparatus, storage medium and program product. BACKGROUND

[0003] At present, both terrestrial networks (TN) and non-terrestrial networks (NTN) are allocated with dedicated spectrum resources. SUMMARY

[0004] Embodiments of the present disclosure provide a wireless network communication method, apparatus, storage medium and program product.

[0005] In one aspect, a wireless network communication method is provided, applied to a terminal. The method comprises: communicating with at least one of a network device of a first type of communication or a network device of a second type of communication on a target spectrum. The target spectrum is a frequency domain resource used by the first type of communication and the second type of communication.

[0006] In another aspect, a wireless network communication method is provided, applied to a network device of a first type of communication. The method comprises: communicating with a terminal on a target spectrum. The target spectrum is a frequency domain resource used by the first type of communication and a second type of communication.

[0007] In yet another aspect, a wireless network communication method is provided, applied to a network device of a second type of communication. The method comprises: communicating with a terminal on a target spectrum. The target spectrum is a frequency domain resource used by a first type of communication and the second type of communication.

[0008] In yet another aspect, a communication apparatus is provided. The communication apparatus comprises: a communication unit. The communication unit is configured to communicate with at least one of a network device of a first type of communication or a network device of a second type of communication on a target spectrum. The target spectrum is a frequency domain resource used by the first type of communication and the second type of communication.

[0009] In yet another aspect, a communication apparatus is provided. The communication apparatus comprises: a communication unit. The communication unit is configured to communicate with a terminal on a target spectrum. The target spectrum is a frequency domain resource used by a first type of communication and a second type of communication.

[0010] In yet another aspect, a communication apparatus is provided. The communication apparatus includes a communication unit. The communication unit is configured to communicate with a terminal on a target spectrum. The target spectrum is a frequency domain resource used by a first type of communication and a second type of communication.

[0011] In yet another aspect, a communication apparatus is provided. The communication apparatus includes a memory and a processor. The memory and the processor are coupled; the memory is configured to store instructions executable by the processor. The processor, when executing the instructions, implements the wireless network communication method.

[0012] In yet another aspect, a computer readable storage medium is provided. The computer readable storage medium stores computer program instructions. When the computer program instructions are run on a computer, the computer is caused to perform the wireless network communication method.

[0013] In yet another aspect, a computer program product is provided. The computer program product includes computer program instructions. When the computer program instructions are executed by a processor, the wireless network communication method is implemented. BRIEF DESCRIPTION OF DRAWINGS

[0014] In order to more clearly illustrate the technical solutions in the present disclosure, the following will briefly introduce the drawings needed to be used in some embodiments of the present disclosure. However, the drawings described in the following description are only the drawings of some embodiments of the present disclosure, and other drawings can also be obtained by those skilled in the art according to these drawings.

[0015] FIG. 1 is a structural schematic diagram of a non-terrestrial network (NTN) according to some embodiments;

[0016] FIG. 2 is a communication system architecture diagram according to some embodiments;

[0017] FIG. 3 is a flowchart of a wireless network communication method according to some embodiments;

[0018] FIG. 4 is a flowchart of NTN cell and terrestrial network (TN) cell switching according to some embodiments;

[0019] FIG. 5 is a schematic diagram of cell switching according to some embodiments;

[0020] FIG. 6 is a schematic diagram of interference of two NTNs and TNs according to some embodiments;

[0021] FIG. 7 is another schematic diagram of interference of two NTNs and TNs according to some embodiments;

[0022] FIG. 8 is a schematic diagram of a plurality of frequency bands according to some embodiments;

[0023] FIG. 9 is a schematic diagram of a dedicated frequency band and a common frequency band, according to some embodiments;

[0024] FIG. 10 is a schematic diagram of time division use of spectrum, according to some embodiments;

[0025] FIG. 11 is a schematic diagram of a guard period (GP), according to some embodiments;

[0026] FIG. 12 is a schematic diagram of a transmission latency, according to some embodiments;

[0027] FIG. 13 is a schematic diagram of location based switching of frequency bands, according to some embodiments;

[0028] FIG. 14 is a flowchart of another method of wireless network communication, according to some embodiments;

[0029] FIG. 15 is a schematic diagram of transmission resource usage information, according to some embodiments;

[0030] FIG. 16 is a flowchart of yet another method of wireless network communication, according to some embodiments;

[0031] FIG. 17 is a schematic diagram of a manner of NTN and TN resource sharing, according to some embodiments;

[0032] FIG. 18 is a block diagram of a communication device, according to some embodiments;

[0033] FIG. 19 is a block diagram of another communication device, according to some embodiments;

[0034] FIG. 20 is a block diagram of yet another communication device, according to some embodiments;

[0035] FIG. 21 is a block diagram of yet another communication device, according to some embodiments. DETAILED DESCRIPTION

[0036] The technical solutions in the present disclosure will be described clearly and completely below in conjunction with the drawings in the present disclosure. However, the described embodiments are only some of the embodiments of the present disclosure, rather than all the embodiments. Based on the embodiments in the present disclosure, all other embodiments obtained by those of ordinary skill in the art without creative work are within the scope of protection of the present disclosure.

[0037] It should be noted that in the present disclosure, the words "exemplary" or "for example" are used on the basis and in the sense of accommodation to facilitate provision of one or more examples of a particular implementation. Any embodiment or design presented as "exemplary" or "for example" in the present disclosure should not be interpreted as being more preferred or advantageous than other embodiments or designs. Rather, the use of "exemplary" or "for example" is intended to present concepts in a manner that enables a person skilled in the art to use one or more embodiments or designs in a suitable manner. It is to be understood that the terminology "exemplary" or "for example" is used herein merely to present examples of the present disclosure.

[0038] Hereinafter, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implying the number of the technical features indicated. Therefore, the features defined with "first" and "second" can explicitly or implicitly include one or more features.

[0039] In the description of the present disclosure, " / " means "or" unless otherwise specified, for example, A / B can mean A or B. "And / or" herein is only a description of the relationship between the associated objects, which means that there can be three relationships, for example, A and / or B can mean three cases: only A, only B, and A and B. In addition, "at least one" means one or more, and "multiple" means two or more.

[0040] Hereinafter, the technical terms of some embodiments of the present disclosure will be explained.

[0041] I. Non Terrestrial Network (NTN)

[0042] NTN (also known as satellite network) mainly refers to a communication network based on non-ground infrastructure, which mainly provides communication services through satellites, unmanned aerial vehicles (UAV), high altitude platforms (HAP), etc. In NTN, satellites can be regarded as base stations, and terminals can be connected to satellites to realize communication through satellites. In areas where ground base stations cannot cover, terminals can connect to satellites for communication, thereby realizing full coverage of connection.

[0043] FIG. 1 shows a schematic diagram of the structure of an NTN. For example, a satellite 101 can be regarded as a base station and is in communication connection with a terminal 102 on the ground, and the link between the satellite 101 and the terminal 102 is a service link. In addition, the satellite 101 is in communication connection with an access network device 103, and the link between the satellite 101 and the access network device 103 is a feeder link. The satellite 101 is common to all terminals in the same cell. The access network device 103 includes a base station and a gateway station.

[0044] II. Terrestrial Network (TN)

[0045] TNs refer mainly to communication networks based on terrestrial infrastructure. They provide communication services through base stations, antennas, wireless / wired transmission devices. For example, the Third Generation Universal Mobile Telecommunications System (3G UMTS) and the 4th Generation Long Term Evolution (4G LTE) are TNs. The 5th Generation New Radio (5G NR) can support both TNs and NTNs.

[0046] III. Spectrum Resources

[0047] In order to provide seamless coverage to users in various regions such as the sky, the earth, and the sea, multiple types of communication systems are usually needed to jointly provide services. These communication systems often use exclusive spectrum for communication. In the present disclosure, the multiple types of communication systems described above can include TNs and NTNs.

[0048] In wireless communication, spectrum resources are very important transmission resources and are the key to the smooth operation of wireless communication systems. For example, NTNs and TNs usually have exclusive spectrum resources allocated exclusively. However, spectrum resources are limited, and with the rapid development of wireless communication technology, available spectrum resources are becoming increasingly scarce. Therefore, how to improve the utilization rate of spectrum resources is a technical problem to be solved at present.

[0049] In addition, for NTNs and TNs, how to improve the overall connection experience of users (for example, for remote, unserved, or underserved areas) is also a technical problem to be solved at present.

[0050] To solve the above technical problems, some embodiments of the present disclosure provide a wireless network communication method. A terminal can communicate with at least one of a network device of a first type of communication or a network device of a second type of communication on a target spectrum. The target spectrum is a frequency domain resource used by the first type of communication and the second type of communication. In this way, separate frequency domain resources do not need to be configured for the first type of communication and the second type of communication, thereby saving spectrum resources and improving the utilization rate of spectrum resources.

[0051] The wireless network communication method provided by some embodiments of the present disclosure can be applied to a communication system as shown in FIG. 2. As shown in FIG. 2, the communication system includes a terminal 201, a network device 202 of a first type of communication, and a network device 203 of a second type of communication.

[0052] The terminal 201 is communicatively connected with the network device 202 of the first type of communication and the network device 203 of the second type of communication, respectively. The network device 202 of the first type of communication and the network device 203 of the second type of communication are communicatively connected.

[0053] In some embodiments, in the first type of communication and the second type of communication, one can be TN and the other can be NTN. For example, in the case of the first type of communication being TN and the second type of communication being NTN, the network device 202 of the first type of communication can be a base station, an access network device, etc., and the network device 203 of the second type of communication can be a base station, a drone, a high-altitude platform, etc. FIG. 2 illustrates the case where the network device 202 of the first type of communication is a base station and the network device 203 of the second type of communication is a satellite.

[0054] In some embodiments of the present disclosure, the terminal 201 can communicate with at least one of the network device 202 of the first type of communication or the network device 203 of the second type of communication on the target spectrum. Since the target spectrum is the frequency domain resource used by the first type of communication and the second type of communication, it is not necessary to configure separate frequency domain resources for the first type of communication and the second type of communication, thereby saving frequency domain resources and improving resource utilization.

[0055] It should be noted that FIG. 2 is only an exemplary framework diagram, and the number of devices included in FIG. 2 and the names of the devices are not limited, and in addition to the devices shown in FIG. 2, the communication system can also include other devices, such as a relay node.

[0056] The present disclosure does not limit the application scenarios of the embodiments. The system architecture and business scenarios described in some embodiments of the present disclosure are for more clearly illustrating the technical solutions provided by some embodiments of the present disclosure, and do not constitute a limitation on the technical solutions provided by some embodiments of the present disclosure. It can be known by those skilled in the art that with the evolution of network architecture and the appearance of new business scenarios, the technical solutions provided by some embodiments of the present disclosure are also applicable to similar technical problems.

[0057] The wireless network communication method provided by some embodiments of the present disclosure will be described in detail below with reference to the accompanying drawings.

[0058] The wireless network communication method provided by some embodiments of the present disclosure can be applied to the terminal 201 in the communication system shown in FIG. 2. FIG. 3 shows a flowchart of a wireless network communication method, and as shown in FIG. 3, the wireless network communication method includes the following step S301.

[0059] In S301, at least one of the network device of the first type of communication or the network device of the second type of communication is communicated on the target spectrum.

[0060] The target spectrum is a frequency domain resource used by the first type of communication and the second type of communication.

[0061] On the target spectrum, the terminal can transmit a signal of the first type of communication or a signal of the second type of communication, so that the first type of communication and the second type of communication share the frequency domain resource. In this way, the frequency spectrum resources for the first type of communication and the second type of communication do not need to be configured separately, thereby saving frequency spectrum resources and improving frequency spectrum resource utilization. However, in the case where the first type of communication and the second type of communication transmit signals through the target spectrum, the terminal can connect to a cell of the first type of communication or a cell of the second type of communication, and therefore, how to switch between the cell of the first type of communication and the cell of the second type of communication is a difficult problem.

[0062] It should be noted that at present, the terminal switches between multiple cells can perform conditional handover (CHO) based on a trigger condition to a candidate cell, and the trigger condition can include an A4 event, a time-based trigger condition, and a location-based trigger condition. It should be understood that the time-based trigger condition and the location-based trigger condition can be configured together with a measurement-based trigger condition. The location is determined by the distance between the terminal and the reference location, and the time is determined by T1 and T2, where T1 is a time point at which a measurement condition is met, and T2 is a time period starting from T1.

[0063] Hereinafter, the first type of communication and the second type of communication will be taken as non-terrestrial communication networks (hereinafter referred to as NTNs) and terrestrial communication networks (hereinafter referred to as TNs) as examples for description.

[0064] In some embodiments, the TN sharing the same frequency domain resource with the NTN can include that the TN / NTN shares all resources or part of the resources used by the NTN / TN. For example, the NTN performs uplink (UL) transmission on a frequency band F1 and performs downlink (DL) transmission on a frequency band F2. The TN sharing the frequency band F1 of the NTN to perform UL or DL transmission of the TN mentioned in some embodiments of the present disclosure includes the above two cases, that is, 1) the TN shares all bandwidth of the frequency band F1 to perform UL or DL transmission of the TN, and 2) the TN shares part of the bandwidth of the frequency band F1 to perform UL or DL transmission of the TN.

[0065] In some embodiments, FIG. 4 shows a flowchart of switching between an NTN cell and a TN cell. As shown in FIGS. 3 and 4, the method provided by some embodiments of the present disclosure further includes steps S401 and S402:

[0066] In S401, a target cell meeting a cell switching condition is determined from a plurality of candidate cells.

[0067] The plurality of candidate cells includes cells of the terrestrial communication network and cells of the non-terrestrial communication network.

[0068] The terminal can determine a plurality of neighboring cells as the plurality of candidate cells, and determine a target cell from the plurality of candidate cells that satisfies a cell handover condition. For example, the terminal determines a cell with the highest signal strength from the plurality of candidate cells as the target cell.

[0069] In some embodiments, before S401, the method provided by some embodiments of the present disclosure can further include: receiving a conditional handover command (or conditional handover parameters). The conditional handover command is used to configure the cell handover condition. For example, the conditional handover command can be sent by a network device of the terrestrial communication network, or can be sent by a network device of the non-terrestrial communication network.

[0070] In some cases (for example, poor signal quality), the TN network device or the NTN network device can send a conditional handover command to the terminal, so that the terminal configures the cell handover condition. In this way, when the cell handover condition is met, the terminal can switch from the current cell to the target cell. For example, in the case that the cell currently connected by the terminal is a TN cell, and the terminal moves to the edge of the TN cell, the TN network device (for example, a base station) can determine that the signal quality is poor based on the measurement result reported by the terminal, and thus send a conditional handover command to the terminal, so that the terminal switches from the TN cell to the NTN cell, thereby ensuring the communication quality.

[0071] It should be noted that, in order to realize mobility in the NTN, the NTN network device can carry the satellite ephemeris of the serving cell and the neighboring cell required for accessing the target NTN cell in the conditional handover command. The terminal supports mobility between the NTN and the TN, that is, switching from the NTN cell to the TN cell, and switching from the TN cell to the NTN cell, but the terminal does not need to connect to the NTN and the TN at the same time. In addition, the terminal can also support mobility between wireless access technologies based on different orbits (for example, different altitudes of geostationary satellite orbits (GSO), non-geostationary satellite orbits (NGSO)).

[0072] In S402, switching from the source cell to the target cell.

[0073] After determining the target cell, the terminal can switch from the source cell to the determined target cell, for example, switching from a TN cell to an NTN cell, or switching from an NTN cell to a TN cell, or switching from one TN cell to another TN cell.

[0074] For example, FIG. 5 shows a schematic diagram of a cell handover. As shown in FIG. 5, a satellite in an NTN and a terminal are in communication connection. The terminal and a base station in a TN are also in communication connection. In the case that the terminal connects an NTN cell, the satellite in the NTN can send a conditional handover command to the terminal. In this way, in the case that the conditional handover command is met, the terminal can hand over from the NTN cell to the TN cell.

[0075] In some embodiments, in S401 described above, the terminal determines a target cell meeting a cell handover condition from a plurality of candidate cells, comprising: determining the target cell from the plurality of candidate cells based on priorities of the plurality of candidate cells. For example, the priority of selecting an NTN cell can be higher than the priority of selecting a TN cell, or the priority of selecting a TN cell can be higher than the priority of selecting an NTN cell.

[0076] In the following, how the terminal selects the priority between the TN cell and the NTN cell will be described in various schemes:

[0077] Scheme 1, a conventional cell selection mechanism (for example, the priorities between the NTN cell and the TN cell are the same) can also be selected, and other cell handover mechanisms can also be selected. Since the handover between the NTN cell and the TN cell is an intra-frequency handover, other trigger conditions in addition to A4 are also required in the trigger condition, for example, A3 event.

[0078] Scheme 2, the priority meets any one of the following relationships: the priority of handover to the NTN cell is higher than the priority of handover to the TN cell; the priority of handover to the NTN cell is lower than the priority of handover to the TN cell.

[0079] For the priority of the NTN cell being higher than the priority of the TN cell, in the case that the terminal has the same measurement result (for example, Reference Signal Received Power (RSRP) or Reference Signal Received Quality (RSRQ)) or other cell selection factors of the NTN cell and the TN cell, the terminal prefers to camp on or hand over to the NTN cell; for the priority of the NTN cell being lower than the priority of the TN cell, in the case that the terminal has the same measurement result or other cell selection factors of the NTN cell and the TN cell, the terminal prefers to camp on or hand over to the TN cell. Alternatively, the terminal will only select the low-priority cell when the high-priority cell is unavailable (for example, the cell is barred, or the RSRP or RSRQ of the cell is lower than the threshold RSRP or RSRQ, etc.).

[0080] In Scheme 2, in case that the priority of the NTN cell and the priority of the TN cell are different, the terminal can determine the priority between the NTN cell and the TN cell through at least one of the following schemes:

[0081] Scheme 2-1, the priority between the NTN cell and the TN cell is determined by the source of the target spectrum. It should be understood that the source of the target spectrum is the network to which the target spectrum belongs. When the target spectrum is from the NTN, the priority of switching to the NTN cell is higher than the priority of switching to the TN cell. When the target spectrum is from the TN, the priority of switching to the TN cell is higher than the priority of switching to the NTN cell.

[0082] For example, in case that the target spectrum is the frequency domain resource allocated to the TN (i.e., the target spectrum is the dedicated spectrum for transmitting the TN signal), and the NTN shares the frequency domain resource allocated to the TN, in case that both the NTN cell and the TN cell are available, the priority of the TN cell is higher than the priority of the NTN cell. Conversely, in case that the target spectrum is the frequency domain resource allocated to the NTN (i.e., the target spectrum is the dedicated spectrum for transmitting the NTN signal), the priority of the NTN is higher than the priority of the TN.

[0083] It should be noted that one NTN cell can overlap multiple TN cells, and the NTN cell is potentially available in a larger coverage range, while the coverage range of the TN cell is relatively small, so that the TN cell can need to be frequently switched when the priority of the TN cell is higher, and therefore, the priority of the NTN cell can be higher than the priority of the TN cell. However, since the NTN has poor reliability, especially in indoor or non- visible areas, and some NTN cells are also mobile, which affects the reliability of the NTN cell in various service scenarios. Therefore, the priority of the TN cell can be higher than the priority of the NTN cell.

[0084] Scheme 2-2, the priority between the NTN cell and the TN cell can be predefined. For example, the priority of one type of communication is selected to be higher than the priority of another type of communication through a predefined manner.

[0085] In some embodiments, the priority between the NTN cell and the TN cell can be configured by the network side. For example, the network side can configure the priority between the NTN cell and the TN cell for a base station in the TN, a satellite in the NTN, or the like. The network side can indicate the priority between the NTN cell and the TN cell by reusing existing resources or introducing virtual resources through Master Information Block (MIB), System Information Block (SIB) 1, Open System Interconnection (OSI), Radio Resource Control (RRC) signaling, or the like.

[0086] In some embodiments, different threshold values can be used for the NTN cell and the TN cell in the cell handover condition (or cell handover criterion, triggering condition, such as A4 or A5 event). In this way, the cell handover condition with a lower (or higher) threshold value is more likely to be met, and the corresponding cell is more likely to be switched to, thereby achieving different priorities of the NTN cell and the TN cell.

[0087] In some embodiments, before determining the target cell, a configuration parameter of the cell handover condition can also be received, and the configuration parameter includes at least one of a threshold value or an offset value. The threshold value includes a first threshold value corresponding to the NTN cell and a second threshold value corresponding to the TN cell. For example, the first threshold value is different from the second threshold value.

[0088] For example, when a terminal of the NTN cell measures a TN cell of a neighbor cell, if the neighbor cell signal strength is higher than the threshold value A1 (i.e., the second threshold value in the above), the terminal switches to the TN cell. When a terminal of the TN cell measures an NTN cell of a neighbor cell, if the neighbor cell signal strength is higher than the threshold value A2 (i.e., the first threshold value in the above), the terminal switches to the NTN cell. If the first threshold value is lower than the second threshold value, the terminal is more likely to switch to the NTN cell, thereby achieving a higher priority of the NTN cell than the TN cell.

[0089] For another example, when the signal strength of the NTN cell is lower than the threshold value B1 and the signal strength of the adjacent TN cell is higher than the threshold value B2, the terminal switches from the NTN cell to the TN cell. When the signal strength of the TN cell is lower than the threshold value B3 and the signal strength of the adjacent NTN cell is higher than the threshold value B4, the terminal switches from the TN cell to the NTN cell. If the priority of the TN cell is higher than the priority of the NTN cell, B3 < B1, or B2 > B4, or B3 < B1 and B2 > B4. B1 and B4 are the first threshold values, and B2 and B3 are the second threshold values.

[0090] Scheme 2-5, different offset values are used for the NTN cell and the TN cell in the cell switching condition (or cell switching criterion, triggering condition, such as A3, A4, or A5 event). It should be understood that the offset value can also be referred to as an offset. In the related art, different cells use the same offset value. For example, at least one of Ofn or Ocn is different for the NTN cell and the TN cell. Ofn is a measurement object specific offset of a neighbor cell reference signal. Ocn is a neighbor cell level specific offset. Ofn1 and Ocn1 are used for the NTN cell, and Ofn2 and Ocn2 are used for the TN cell.

[0091] In some embodiments, the offset value includes a first offset value corresponding to the NTN cell, and a second offset value corresponding to the TN cell. For example, the first offset value is different from the second offset value. In this case, by setting different offset values for the NTN cell and the TN cell, the cell with a higher (or lower) offset value can satisfy the cell switching condition faster, and can be preferentially switched to the cell, thereby achieving different priorities between the NTN cell and the TN cell.

[0092] Scheme 2-6, a new offset value is added for the NTN cell and the TN cell in the cell switching condition (or cell switching criterion, triggering condition, such as A3, A4, or A5 event). For example, if it is necessary to ensure that the priority of the TN cell is higher than that of the NTN cell, when a terminal in the NTN cell measures the signal strength of a neighbor TN cell, the neighbor signal strength can be reduced by a new offset value, and if the neighbor signal strength after the new offset value is subtracted is still higher than the cell signal strength, the terminal can switch to the TN cell. That is, only when the NTN cell signal strength is significantly higher than the TN cell, the NTN cell is selected. If it is necessary to ensure that the priority of the NTN cell is higher than that of the TN cell, only when the TN cell signal strength is significantly higher than the NTN cell, the TN cell is selected.

[0093] In some embodiments, the offset value includes N first offset values corresponding to the NTN cell, and M second offset values corresponding to the TN cell, N and M are positive integers. For example, N is different from M. For example, N first offset values can be configured for the NTN cell, and M second offset values can be configured for the TN cell. In this way, if M is greater than N, and the values of the M second offset values are greater (or less) than the values of the N first offset values, the terminal is more likely to switch to the TN cell (or the NTN cell) in the cell switching process, thereby achieving a higher priority of the TN cell (or the NTN cell).

[0094] Scheme 2-7, the priority of the NTN cell and the TN cell can be determined by the terminal side. For example, when the terminal can connect to the NTN cell and can also connect to the TN cell, the terminal can autonomously decide to access the NTN cell or the TN cell.

[0095] In addition, how to perform resource coordination between NTN and TN and avoid interference when NTN and TN share the same target spectrum is also a problem to be solved.

[0096] It should be noted that the NTN (or satellite system) can adopt a frequency division duplex (FDD) or frequency division multiplexing (FDM) mode, that is, the NTN uplink and downlink use different frequency bands. Generally, the NTN frequency band can be an FDD frequency band. If the NTN uses a time division duplex (TDD) or time division multiplexing (TDM) mode, a guard interval is required. For example, a low earth orbit (LEO) satellite with an altitude of 600 km requires a guard interval of 2x7 ms, and a geostationary earth orbit (GEO) satellite requires a guard interval of 2x270 ms. In addition, some LEO or high altitude platform (HAPS) systems support the TDD mode.

[0097] When NTN and TN share the target spectrum, there can be multiple interference types. Table 1 shows eight interference types. For an FDD NTN and an FDD TN sharing the target spectrum, and the NTN downlink and the TN downlink sharing the spectrum F1 in the target spectrum, and the NTN uplink and the TN uplink sharing the spectrum F2 in the target spectrum, the main interference is same link interference (SLI), that is, I1-I4 in Table 1, uplink interfering uplink and downlink interfering downlink. If the NTN downlink and the TN uplink share the spectrum F1 in the target spectrum, and the NTN uplink and the TN downlink share the spectrum F2 in the target spectrum, the main interference is cross-link interference (CLI), that is, I5-I8 in Table 1. In addition, if the NTN is based on TDD transmission, due to the long delay of satellite communication, I1-I8 in Table 1 can all exist.

[0098] Table 1

[0099] The interference types include I1-I8, the interferer is the one causing interference, the interfered is the one being interfered, and the note is whether the interference is SLI or CLI.

[0100] FIG. 6 and FIG. 7 are interference diagrams of two kinds of NTN and TN, respectively. As shown in FIG. 6, spectrum Fl in the target spectrum is used for TN uplink transmission and NTN uplink transmission, and spectrum F2 in the target spectrum is used for TN downlink transmission and NTN downlink transmission. FIG. 6 includes (a) and (b). Both (a) and (b) include a satellite, an NTN terminal (or User Equipment, UE), a TN terminal (or UE), and a base station. In (a), the satellite and the NTN terminal can implement NTN downlink transmission, and the base station and the TN terminal can implement TN downlink transmission. The TN downlink transmission of the base station can cause interference of interference type I1 (i.e., I1 in Table 1) to the NTN downlink transmission of the NTN terminal. The NTN downlink transmission of the satellite can cause interference of interference type I2 (i.e., I2 in Table 1) to the TN downlink transmission of the TN terminal. In (b), the satellite and the NTN terminal can implement NTN uplink transmission, and the base station and the TN terminal can implement TN uplink transmission. The TN uplink transmission of the base station can cause interference of interference type I3 (i.e., I3 in Table 1) to the NTN uplink transmission of the NTN terminal. The NTN uplink transmission of the satellite can cause interference of interference type I4 (i.e., I4 in Table 1) to the TN uplink transmission of the TN terminal.

[0101] As shown in FIG. 7, spectrum Fl in the target spectrum is used for TN uplink transmission and NTN downlink transmission, and spectrum F2 in the target spectrum is used for TN downlink transmission and NTN uplink transmission. FIG. 7 includes (c) and (d). Both (c) and (d) include a satellite, an NTN terminal (or UE), a TN terminal (or UE), and a base station. In (c), the satellite and the NTN terminal can implement NTN downlink transmission, and the base station and the TN terminal can implement TN uplink transmission. The TN uplink transmission of the base station can cause interference of interference type I5 (i.e., I5 in Table 1) to the NTN downlink transmission of the NTN terminal. The NTN downlink transmission of the satellite can cause interference of interference type I6 (i.e., I6 in Table 1) to the TN uplink transmission of the TN terminal. In (d), the satellite and the NTN terminal can implement NTN uplink transmission, and the base station and the TN terminal can implement TN downlink transmission. The TN downlink transmission of the base station can cause interference of interference type I7 (i.e., I7 in Table 1) to the NTN uplink transmission of the NTN terminal. The NTN uplink transmission of the satellite can cause interference of interference type I8 (i.e., I8 in Table 1) to the TN downlink transmission of the TN terminal.

[0102] To solve the above interference and other problems, the target spectrum can be divided into multiple frequency bands, so that the NTN (uplink or downlink) and the TN (uplink or downlink) can use different frequency bands for transmission respectively, thereby reducing the interference caused when the NTN and the TN use the same spectrum. The target spectrum is divided into two frequency bands: frequency band FB1 and frequency band FB2. The NTN and the TN implement transmission on FB1 and FB2 respectively.

[0103] In some embodiments, in the above S301, the communication with at least one of the network device of the first type of communication or the network device of the second type of communication on the target spectrum includes: communicating with at least one of the network device of the first type of communication or the network device of the second type of communication on the target spectrum based on first signaling. The first signaling is used to indicate configuration information of multiple frequency bands divided from the target spectrum. In this way, the terminal can perform transmission on multiple frequency bands respectively through the configuration information of the multiple frequency bands when performing NTN transmission and TN transmission, thereby reducing interference. For example, the multiple frequency bands can or can not overlap in the frequency domain. When avoiding interference through frequency division multiplexing (FDM), it can be determined that the multiple frequency bands do not overlap.

[0104] In addition, there is a guard bandwidth between two adjacent frequency bands in the multiple frequency bands. The guard bandwidth can be configured to the terminal by the NTN / TN (such as a base station or a satellite), or a minimum value or a default value is set according to the radio frequency requirement. If the NTN / TN network is not configured, the guard bandwidth is reserved according to the set minimum value or default value by default.

[0105] In some embodiments, each frequency band in the multiple frequency bands includes at least one of the following: at least one resource element (RE), at least one resource block (RB), at least one resource block set (RBS), at least one resource block group (RB Group), at least one sub-channel, at least one sub-band, at least one carrier partial (CP), at least one bandwidth partial (BWP), at least one carrier, and at least one channel. For example, the multiple frequency bands can be at the level of a carrier or a channel or a cell, or at the level of a carrier set or a channel set or a cell set. For example, the frequency band FB1 in the multiple frequency bands includes one or more carriers or channels, and the frequency band FB2 includes one or more carriers or channels.

[0106] In addition, multiple frequency bands can be attributed to one cell or carrier or channel, i.e., the division of the multiple frequency bands can be performed within one cell or carrier or channel. If the frequency domains of the multiple frequency bands are not overlapped, the frequency domain resources (e.g., RBS or BWP) contained in one frequency band and the frequency domain resources contained in another frequency band are also not overlapped.

[0107] In some embodiments, the NTN / TN can send a frequency band division indication to the terminal to indicate that the terminal divides the target frequency spectrum into multiple frequency bands. At least one of the division of the frequency bands (i.e., the frequency band division indication) or the configuration information of the frequency bands (i.e., the first signaling) can be indicated by the NTN / TN to the terminal. The indication manner includes indication by at least one of system information (e.g., MIB, SIB1, OSI, Media Access Control Control Element (MAC CE), or Downlink Control Information (DCI) signaling). The configuration information of the multiple frequency bands includes at least one of the number of frequency bands, the number of frequency bands, the start frequency of the frequency band, the end frequency of the frequency band, the width of the frequency band, the number of guard intervals, the number of guard intervals, the start frequency of the guard interval, the end frequency of the guard interval, the width of the guard interval, the subcarrier spacing. For example, if the frequency and width of the frequency band are in units of relative quantities such as RB or RE, the configuration information of the multiple frequency bands can include the subcarrier spacing.

[0108] It should be noted that the division of the target frequency spectrum into multiple frequency bands can be performed for the terminal, for the NTN satellite, or for the TN base station. For example, at least one of the frequency band division indication or the first signaling can be indicated by the NTN / TN to the TN / NTN.

[0109] Alternatively, at least one of the frequency band division indication or the first signaling can be indicated by a core network device, a network management system (such as an Operation Administration and Maintenance (OAM) system), a spectrum access system, or a spectrum management system to the NTN / TN. For example, the core network device or the OAM system can be a core network device or an OAM system connected to the NTN, or a core network device or an OAM system connected to the TN, or a common core network device or an OAM system connected to the NTN and the TN.

[0110] The spectrum access system or the spectrum management system is used to manage the sharing of TN and NTN spectrum, such as determining the sharing mode of the spectrum, semi-statically / dynamically allocating the spectrum, and performing interference coordination. It can be an independent node or entity, or it can be integrated into a core network device, an OAM system, a base station, or a satellite.

[0111] The above describes the division of the target spectrum into multiple frequency bands, and the following describes the use of multiple frequency bands by NTN and TN in multiple ways.

[0112] Method 1: The NTN device (satellite or terminal) uses a first frequency band in the target spectrum to transmit signals, and the TN device (base station or terminal) uses a second frequency band in the target spectrum for transmission. The multiple frequency bands formed after the division of the target spectrum include the first frequency band and the second frequency band. This is a static or semi-static FDM-based spectrum sharing method.

[0113] The first frequency band and the second frequency band can be configured as follows: the first frequency band and the second frequency band can overlap or can not overlap. In order to avoid interference with each other, the first frequency band and the second frequency band do not overlap. For example, a certain guard bandwidth is reserved between the first frequency band and the second frequency band to avoid mutual interference. The first frequency band can include at least one of the multiple frequency bands described above. The second frequency band can include at least one of the multiple frequency bands described above.

[0114] For example, as shown in FIG. 8, the target spectrum shared by NTN and TN is divided into a first frequency band, a second frequency band, and a guard bandwidth. The first frequency band includes at least one of the following: at least one carrier or channel, or at least one resource element, at least one resource block, at least one resource block group, at least one subchannel, at least one subband, at least one carrier part, at least one bandwidth part in a cell or carrier or channel. The second frequency band includes at least one of the following: at least one carrier or channel, or at least one resource element, at least one resource block, at least one resource block group, at least one subchannel, at least one subband, at least one carrier part, at least one bandwidth part in a cell or carrier or channel. The first frequency band is the frequency band of NTN, and the second frequency band is the frequency band of TN.

[0115] The determination of the first frequency band and the second frequency band by the NTN device and the TN device can be determined in the following multiple ways:

[0116] Method 1-1: At least one of the first frequency band or the second frequency band is configured by the NTN / TN or a specific system (e.g., a spectrum access system, a spectrum management system, etc.) and the configuration information is sent to the TN / NTN.

[0117] Method 1-2: At least one of the first frequency band or the second frequency band is configured by a core network device or an OAM system, and the configuration information is sent to the TN base station or the NTN base station.

[0118] Manner 1-3, the configuration information of at least one of the first frequency band or the second frequency band is determined by the network sharing the spectrum, and is indicated to the network sharing the spectrum. For example, if the NTN shares the spectrum of the TN, the configuration of the first frequency band and the second frequency band described above is determined by the TN, and is indicated to the NTN (for example, only the configuration information of the first frequency band can be indicated).

[0119] Manner 1-4, the configuration of at least one of the first frequency band or the second frequency band is transmitted to the terminal by the NTN / TN (for example, TN base station or NTN base station) through system information, RRC signaling, MAC CE, DCI signaling.

[0120] Manner 2, the target spectrum includes at least one of a dedicated frequency band or a common frequency band.

[0121] At least one of the dedicated frequency band or the common frequency band is divided from the target spectrum by the core network device or the OAM system, the NTN / TN, or a specific system (for example, spectrum access system, spectrum management system, etc.), and the configuration information of at least one of the dedicated frequency band or the common frequency band is transmitted to at least one of the NTN / TN or the terminal. For example, the dedicated frequency band can include at least one of an NTN dedicated frequency band or a TN dedicated frequency band. Alternatively, the dedicated frequency band can be a frequency band dedicated to the network sharing the spectrum or a frequency band dedicated to the network sharing the spectrum.

[0122] In some embodiments, the plurality of frequency bands includes at least one of: the first frequency band, the second frequency band, or the third frequency band. The first frequency band supports the terminal to communicate with the network device of the first type of communication; the second frequency band supports the terminal to communicate with the network device of the second type of communication; and the third frequency band supports the terminal to communicate with the network device of the first type of communication and the network device of the second type of communication.

[0123] The first frequency band is a dedicated frequency band of the NTN or the TN, the second frequency band is a dedicated frequency band of the TN or the NTN, and the third frequency band is a common frequency band shared by the NTN and the TN. For example, the resource amount of the first frequency band and the second frequency band can be the same or different.

[0124] In some embodiments, the dedicated frequency band can also be a frequency band used by the NTN / TN to transmit a preset signal, and the common frequency band is a frequency band used to transmit other signals except the preset signal. For example, if the NTN shares the spectrum of the TN, a dedicated frequency band can be configured or defined for the TN, which is used for the preset signal (for example, the initial BWP of the TN cell can be configured on the dedicated frequency band) of the access and synchronization of the TN device. For example, the dedicated frequency band is used to transmit at least one of the preset signal, such as the synchronization signal of a certain network, the broadcast channel, the system message, the control channel, or the reference signal.

[0125] In some embodiments, the dedicated frequency band can be further divided into a first dedicated frequency band and a second dedicated frequency band. The first dedicated frequency band is used for a first network (e.g., NTN), and the second dedicated frequency band is used for a second network (e.g., TN).

[0126] Dedicated frequency bands can also be defined as priority bands or reserved frequency bands. A specific network has priority in using this band, and it can only be used by another network if that network does not use it or if it is not interfered with. Public frequency bands are shared by NTN and TN networks, and are frequency bands that the two networks can share fairly. For example, Figure 9 shows a schematic diagram of dedicated and public frequency bands. As shown in Figure 9, the target spectrum is divided into NTN dedicated / reserved frequency bands, TN dedicated / reserved frequency bands, and public frequency bands.

[0127] Method 3: Base stations or satellites use the target spectrum based on time-division multiplexing.

[0128] Any one of the core network equipment or OAM system, NTN satellite, or specific system (e.g., spectrum access system, spectrum management system, etc.) can send a third signaling to the TN base station, thereby instructing the TN base station to use the target spectrum in time division via the third signaling; or, any one of the core network equipment or OAM system, TN base station, or specific system (e.g., spectrum access system, spectrum management system, etc.) can send a third signaling to the NTN satellite, thereby instructing the NTN satellite to use the target spectrum in time division via the third signaling.

[0129] In some embodiments, communication on the target spectrum with at least one of the network devices of the first type of communication or the network devices of the second type of communication includes: communication on the target spectrum with at least one of the network devices of the first type of communication or the network devices of the second type of communication based on third signaling. The third signaling is used to indicate configuration information for time-division multiplexing of the target spectrum for the first type of communication and the second type of communication.

[0130] In some embodiments, the base station (or satellite) of the network sharing the spectrum instructs the satellite (or base station) of the network sharing the spectrum to use the shared spectrum in a time-division manner via the air interface. For example, if the NTN shares the spectrum of the TN, the TN instructs the NTN to use the shared spectrum in a time-division manner.

[0131] Alternatively, the base station (or satellite) of the network sharing the spectrum may instruct the satellite (or base station) of the network sharing the spectrum to use the shared spectrum in a time-sharing manner via the air interface. For example, if the NTN shares the spectrum of the TN, the NTN may instruct the TN to use the shared spectrum in a time-sharing manner.

[0132] Alternatively, the base station (or satellite) of the interfered network may instruct the satellite (or base station) of the network causing the interference to use shared spectrum in a time-division manner via the air interface. For example, if an NTN interferes with TN equipment communication, the TN may instruct the NTN to use shared spectrum in a time-division manner.

[0133] Alternatively, the base station (or satellite) of the network causing the interference may instruct the satellite (or base station) of the interfered network (or the network itself) via the air interface to use shared spectrum in a time-division manner. For example, if an NTN interferes with TN equipment communication, the NTN may instruct the TN to use shared spectrum in a time-division manner.

[0134] It is understandable that at least one of the aforementioned interfered networks or the networks causing the interference can be determined through measurements from network devices (base stations, satellites).

[0135] In some embodiments, the third signaling includes at least one of the following: pattern, offset, duration, or period. The pattern, offset, duration, or period of at least one time-division multiplexing target spectrum in the NTN or TN. The pattern includes at least one NTN usage duration or one TN usage duration. At least one pattern may be included within a period. Additionally, the pattern may be a time-division multiplexing pattern of two networks within at least one time slot, at least one subframe, at least one frame, or other time units (such as milliseconds, seconds, minutes, etc.). Considering the long latency of the NTN, the time-division multiplexing pattern can be designed at the granularity of one or more time slots / subframes / frames. Figure 10 shows a schematic diagram of a time-division multiplexing spectrum. As shown in Figure 10, in multiple time slots / subframes / frames, the first time slot / subframe / frame is the offset. A period includes at least one time slot / subframe / frame. Within a cycle, the first two time slots / subframes / frames can use pattern 1 (NTN-TN sharing TDM pattern 1) of the target spectrum for NTN and TN time division multiplexing, while the third and fourth time slots / subframes / frames can use pattern 2 (NTN-TN sharing TDM pattern 2) of the target spectrum for NTN and TN time division multiplexing.

[0136] For example, during the day, a certain area has relatively high wireless traffic, so TN coverage can be the primary method. In areas not covered by TN, coverage is achieved by NTN sharing TN spectrum (i.e., for this area, daytime coverage can be considered as using Mode 1 (i.e., diagram 1 of NTN and TN time-division multiplexing of the target spectrum), where TN does not share spectrum with NTN). At night, wireless traffic in this area is relatively low, and this area and adjacent areas can achieve full coverage by NTN sharing TN spectrum (i.e., nighttime coverage can be considered as using Mode 2 (i.e., diagram 2 of NTN and TN time-division multiplexing of the target spectrum), where TN shares its own spectrum with NTN). Therefore, in this area, the order of NTN and TN time-division multiplexing of the target spectrum can be: Daytime TN --> Nighttime NTN --> Daytime TN --> Nighttime NTN, using a TDM (Time Division Multiplexing) spectrum sharing method.

[0137] Alternatively, two pairs of shared links (e.g., NTN DL sharing TN DL, NTN UL sharing TN UL; or NTN DL sharing TN UL, NTN UL sharing TN DL) can use the same time-division configuration for the shared spectrum. In this case, only one configuration needs to be notified. Two pairs of shared links can also use different time-division configurations for the shared spectrum. In this case, a separate configuration needs to be notified for each pair of shared links, meaning at least two configurations are required.

[0138] In some embodiments, when the NTN and TN share the target spectrum using time-division multiplexing, a certain time interval (Guard Period, GP) needs to be configured in the diagram between the NTN usage duration and the TN usage duration. Depending on the needs, the GP can be set to the same or different at different locations (e.g., between NTN and TN, and between TN and NTN). Figure 11 shows a schematic diagram of a GP. As shown in Figure 11, Figure 11 includes (a), (b), and (c). In (a), there is a GP between NTN and TN transmissions. For example, a GP is required when switching from NTN using the target spectrum to TN using the target spectrum, or vice versa. In (b), a GP is required when switching from TN downlink transmission using the target spectrum to TN downlink transmission using the target spectrum, or vice versa. In (c), a GP is required when switching from NTN uplink using the target spectrum to TN uplink using the target spectrum, or when switching from TN uplink using the target spectrum to NTN uplink using the target spectrum.

[0139] In some embodiments, when the NTN and TN share spectrum, the timing synchronization reference point (RP) of the NTN is frame-aligned with the base station-side timing point (e.g., the base station-side downlink timing point) of the TN. That is, in the time-division multiplexing pattern of the NTN and TN, the start and end times of the target spectrum used by the NTN are determined according to the timing of the timing synchronization reference point. The start and end times of the spectrum used by the TN are determined according to the timing of the base station.

[0140] Alternatively, when NTN and TN share the spectrum, the time-division multiplexing pattern of NTN and TN can also be determined by absolute time. That is, in the time-division multiplexing pattern of NTN and TN, the start and end times of NTN and TN using the target spectrum are configured according to absolute time (i.e., hours, minutes, and seconds).

[0141] Understandably, the GP is used for at least one of the following: handover of target spectrum between NTN and TN, timing advance, or prevention of interference caused by overlapping usage times of the two networks due to transmission delay. That is, in one approach, the configured GP must be at least greater than or equal to the sum of one or more of the following: handover duration between NTN and TN, one-way or round-trip transmission delay (or maximum delay) of NTN / TN, timing advance duration (or maximum delay) of NTN / TN, or half of the timing advance duration. NTN / TN transmission delay refers to the transmission delay between the NTN RP and the NTN terminal.

[0142] For example, in Figure 11(b), the GP between NTN DL and TN DL needs to be greater than or equal to the maximum delay between NTN RP and NTN terminal. In Figure 11(c), the GP between TN UL and NTN UL needs to be greater than or equal to half the maximum timing advance duration of NTN (i.e., the maximum delay between NTN RP and NTN terminal).

[0143] However, due to the very long transmission delays of NTNs, such as 25ms for LEO round-trip time (RTT) and 540ms for GEO round-trip time, configuring the GP (GP Gateway) entirely according to these delays would severely impact spectrum utilization efficiency. Therefore, a balance must be struck between delay, interference, and spectral efficiency when configuring the GP. If the GP is small, the following methods exist to address temporal overlap and interference issues:

[0144] Method 3-1: If the GP is less than the transmission delay (or maximum transmission delay) between the NTN RP and the NTN terminal, the NTN will not send or schedule downlink transmissions during the last segment of its usage duration. The last segment is equal to the transmission delay between the NTN RP and the NTN terminal minus the GP. If no GP is configured between the NTN usage duration and the TN usage duration in the diagram, then assume GP = 0.

[0145] Figure 12 illustrates a transmission delay diagram. As shown in Figure 12, the NTN RP synchronizes with the TN base station. In the TDM pattern, time units n, n+1, and n+2 represent the NTN usage duration, time unit n+3 represents the GP, and time units n+4, n+5, and n+6 represent the TN usage duration. Although the NTN base station (Next Generation NodeB, gNB) transmits DL signals according to the NTN duration allocated in the aforementioned TDM pattern, when the signals of time units n, n+1, and n+2 arrive at the UE side of the NTN, the time on the RP side is n+3, n+4, and n+5. Therefore, the arrival times of the signals of time units n+1 and n+2 at the UE side of the NTN are n+4 and n+5 on the RP side (i.e., they overlap with the time units n+4 and n+5 on the RP side). Since time units n+4 and n+5 on the RP side are the usage time of TN, there are both downlink signals from NTN and signals from TN in time units n+4 and n+5 on the RP side, which may cause interference to TN transmission (i.e., time units n+4 and n+5 are interference zones).

[0146] In this case, on the gNB side of the NTN, the gNB needs to handle the last part of the duration (t) of time units n, n+1, and n+2. s,ue +t common Downlink is not transmitted or scheduled on -GP. s,ue The time delay (one-way) between the satellite and the NTN terminal, t common t represents the transmission delay (one-way) between the RP and the satellite. s,ue +t common In reality, it equals half the UE timing advance time, which is also the one-way duration of the corresponding RTT. mac This represents the transmission delay between the NTN base station and the RP.

[0147] Method 3-2: If GP is less than the transmission delay (or maximum transmission delay) between the TN base station and the TN terminal, the TN will not send or schedule downlink transmissions during the last segment of the TN usage duration. The last segment is equal to the transmission delay between the TN base station and the TN terminal minus GP. If no GP is configured between the TN usage duration and the NTN usage duration in the diagram, then assume GP = 0.

[0148] Method 3-3: If GP is less than half the transmission delay (or maximum transmission delay) between the NTN's RP and the NTN terminal, or half the timing advance duration (or maximum timing advance duration) of the NTN terminal, the NTN terminal will not send an uplink signal during the initial segment of the NTN usage duration. The initial segment is equal to half the transmission delay (or maximum transmission delay) between the NTN's RP and the NTN terminal, or half the timing advance duration (or maximum timing advance duration) of the NTN terminal, minus GP. If no GP is configured between the TN usage duration and the NTN usage duration in the diagram, then assume GP = 0.

[0149] Methods 3-4: If GP is less than half the transmission delay (or maximum transmission delay) between the TN base station and the TN terminal, or half the timing advance duration (or maximum timing advance duration) of the TN terminal, the TN terminal will not send uplink signals during the initial segment of the TN usage duration. The initial segment is equal to half the transmission delay (or maximum transmission delay) between the TN base station and the TN terminal, or half the timing advance duration (or maximum timing advance duration) of the TN terminal, minus GP. If no GP is configured between the NTN usage duration and the TN usage duration in the diagram, then assume GP = 0.

[0150] Method 4: NTN equipment (satellite or terminal) or TN equipment (base station or terminal) performs frequency band switching.

[0151] Band switching includes activation or deactivation operations. It should be understood that mode 4 can also be applied to at least one of the NTN or TN devices to perform switching of other types of resources, such as beam / footprint / cell switching, switching of target spectrum in a time-division multiplexing manner, switching from shared spectrum to non-shared spectrum to other networks, and switching from non-shared spectrum to shared spectrum to other networks.

[0152] In some embodiments of this disclosure, the methods may further include at least one of the following: performing location-based frequency band switching; performing time-based frequency band switching; performing event-based frequency band switching; performing second signaling-based frequency band switching; or reporting a resource usage request. For example, frequency band switching includes activating or deactivating a target frequency band, wherein the target frequency band is at least one of a plurality of frequency bands.

[0153] In some embodiments, the second signaling originates from any of the following: NTN network equipment, TN network equipment, spectrum access system, and spectrum management system.

[0154] NTN or TN cells may use all or part of the target spectrum. However, frequency band switching (e.g., BWP switching or subband switching) may be performed to ensure that NTN and TN cells use different frequency bands to reduce mutual interference when at least one of the following conditions is met: when there is interference between NTN and TN cells (which can be determined by measurement results); when the base station or terminal knows the satellite position and trajectory based on satellite ephemeris; or when the base station or terminal knows its own position. For example, the frequency band used by the TN terminal after switching is separate from the frequency band used by the NTN terminal in the frequency domain, and vice versa.

[0155] The following will describe the methods of performing frequency band switching in several ways:

[0156] Method 4-1: At least one of the NTN or TN devices performs location-based frequency band switching.

[0157] Frequency band switching can include carrier switching, BWP switching, and subband switching.

[0158] The location can be determined by at least one of the following: a first reference location (e.g., the current cell center), a second reference location (e.g., the neighboring cell center), or a third reference location (e.g., the terminal location). It should be understood that these multiple locations can be determined by satellite ephemeris, Global Navigation Satellite System (GNSS), and signal measurements. Therefore, it is required that the TN terminal can also obtain the NTN's satellite ephemeris, and correspondingly, the NTN terminal can also obtain the location of the TN base station.

[0159] In some embodiments, the NTN / TN can be configured to support at least one of location-based band switching or location information related to band switching. This configuration can be indicated by at least one of system information (such as MIB, SIB1, OSI), RRC signaling, MAC CE, or DCI signaling.

[0160] When a base station or terminal in a TN / NTN cell determines the satellite location and cell coverage based on satellite ephemeris, or when a base station or terminal knows its own and the other party's locations, or when a base station or terminal in a TN / NTN cell determines the satellite location and cell coverage based on satellite ephemeris and knows its own and the other party's locations, the base station or terminal may perform location-based frequency band handover.

[0161] Figure 13 illustrates a location-based frequency band switching method. As shown in Figure 13, the NTN cell uses frequency band FB2, and UE1 in the center of the TN cell can also use FB2. However, when UE1 in the center of the TN cell moves to the TN cell boundary, it needs to switch to FB1 to avoid interference between the NTN and TN cells. UE2 in the center of the TN cell can still use FB2 (or FB1). For UE1 in the TN cell, the above operation is equivalent to deactivating FB2 and activating FB1.

[0162] Method 4-2: At least one of the NTN or TN devices performs a time-based frequency band switching.

[0163] NTN cell coverage and presence are strongly correlated with time. When an NTN cell exists, the TN cell sharing the same spectrum needs to consider interference with the NTN cell (e.g., through FDM spectrum sharing). When an NTN cell does not exist, the TN cell does not need to consider interference with the NTN cell (e.g., the TN cell can use the entire target spectrum or all multiple frequency bands). Therefore, for TN terminals, especially those at the edge of TN cells, the time when the NTN cell covers them can be determined based on satellite ephemeris. When the arrival of an NTN cell is determined based on timing information, the TN terminal can perform a frequency band handover based on timing (i.e., at the moment the NTN cell arrives).

[0164] Similarly, during periods of low or no load on the TN network (such as at night or at specific times), NTN network equipment can also switch to the TN bands where there is low or no load.

[0165] The NTN / TN can be configured to support at least one of the following: time-based frequency band switching, or time-related information such as NTN ephemeris, NTN / TN service start time, end time, or duration, or timer on / off and duration. This configuration can be indicated by at least one of the following: system information (such as MIB, SIB1, OSI), RRC signaling, MAC CE, or DCI signaling.

[0166] Method 4-3: At least one of the NTN or TN devices performs a frequency band switch based on a trigger event.

[0167] TN or NTN terminals can measure the signal of at least one of the current cells or neighboring cells (e.g., measure RSRP, RSRQ, or Signal to Interference plus Noise Ratio (SINR)) and decide whether to perform a frequency band handover based on the measurement results.

[0168] Triggering events can include at least one of the following:

[0169] Event 1: The current cell signal strength is higher or lower than a first value (or threshold value). When this event is met, the terminal performs a frequency band switch. For example, for a terminal at the edge of a TN cell, when its measurement result of the serving cell signal is lower than a certain threshold (i.e., the first value), it indicates that the currently used frequency band is experiencing more interference, and the terminal performs a frequency band switch from frequency band FB2 to frequency band FB1.

[0170] Event 2: The current cell signal strength is lower than the first value (or threshold), or the neighboring cell signal strength is higher than the second value (or threshold), or the current cell signal strength is lower than the first value and the neighboring cell signal strength is higher than the second value. When this event is met, the terminal performs a frequency band switch. For example, for a terminal at the edge of a TN cell, when its measurement of the current cell signal strength is lower than the first value and the neighboring cell signal strength is higher than the second value, it indicates that the currently used frequency band is experiencing more interference, and the terminal performs a frequency band switch from frequency band FB2 to frequency band FB1.

[0171] It should be noted that the frequency band after switching from NTN to TN should be different from the frequency band of TN or NTN to avoid mutual interference between NTN and TN.

[0172] Method 4-4: The base station (i.e., TN base station or NTN satellite) instructs the terminal (TN terminal or NTN terminal) to perform frequency band switching (or frequency band activation / deactivation) via the second signaling.

[0173] NTN / satellite or TN / base station can instruct the terminal to perform frequency band switching (or frequency band activation / deactivation) through at least one of RRC signaling, MAC CE or DCI signaling.

[0174] For example, the network configures and indicates active / deactivated frequency band information via RRC signaling.

[0175] For example, the network can configure frequency band information through RRC signaling, and then instruct the terminal to switch frequency bands through MAC CE.

[0176] For example, the network can configure frequency band information through RRC signaling, and then instruct the terminal to switch frequency bands through DCI signaling.

[0177] For example, the network can configure frequency band information through RRC signaling, then activate / deactivate multiple frequency bands through MAC CE, and then activate / deactivate one or more of the multiple frequency bands through DCI signaling.

[0178] DCI signaling can be carried by the Physical Downlink Control Channel (PDCCH) associated with a cell, group-common, or UE-specific search space set. Since TN and NTN interference often involves not a single terminal but a group of terminals, DCI signaling can be carried by the PDCCH associated with a group-common search space set to instruct the terminal to perform frequency band switching, such as the PDCCH in the Type 3-PDCCH common search space to instruct the handover.

[0179] When RRC signaling, MAC CE, or DCI signaling is used to activate / deactivate frequency bands, one or more frequency bands can be activated / deactivated at once. Frequency band activation / deactivation can be achieved using a bitmap (bits) or by indicating the frequency band number. If using a bitmap, each bit (excluding reserved bits) corresponds to a frequency band. A bit of 0 indicates activation of the frequency band; a bit of 1 indicates deactivation. Of course, the meaning of the bits can also be reversed.

[0180] Methods 4-5: The core network equipment, OAM system, spectrum access system, spectrum management system, or TN network equipment instructs the NTN network equipment to perform frequency band switching. Alternatively, the core network equipment, OAM system, spectrum access system, spectrum management system, or NTN network equipment instructs the TN network equipment to perform frequency band switching (or frequency band activation or deactivation).

[0181] In some embodiments, network devices of the network sharing the spectrum instruct network devices of the network sharing the spectrum to perform frequency band switching information via the air interface. For example, if an NTN shares the spectrum of a TN, the TN network device (base station) instructs the NTN network device (satellite) to perform frequency band switching.

[0182] Alternatively, network devices in the shared spectrum network may instruct network devices in the network sharing the spectrum to perform frequency band switching via the air interface. For example, if the NTN shares the spectrum of the TN, the NTN's network devices may instruct the TN's network devices to perform frequency band switching.

[0183] Alternatively, the network device in the interfered network can instruct the network device in the network causing the interference to perform a frequency band switching via the air interface. For example, if the NTN interferes with the communication of the TN device, the TN network device can instruct the NTN network device to perform a frequency band switching.

[0184] Alternatively, the network device causing the interference can instruct the network device of the interfered network to perform a frequency band switching via the air interface. For example, if the NTN interferes with the communication of the TN device, the NTN network device can instruct the TN network device to perform a frequency band switching.

[0185] The location of the interfered network or at least one of the interfered networks can be determined by measurements taken from network devices.

[0186] In addition to the various frequency band switching methods mentioned above, the terminal can also actively switch frequency bands. When the terminal determines, based on measurements, that the currently used frequency band is experiencing severe interference, the terminal can report a resource usage request to the NTN or TN network equipment, thereby requesting to switch to a certain resource (or frequency band).

[0187] In some embodiments, uplink and downlink using the target spectrum can switch frequency bands together, in pairs, or individually. For example, in TDD spectrum or mode, uplink and downlink can switch frequency bands together, in which case the network device only needs to notify one set of frequency band switching parameters; in FDD spectrum or mode, uplink and downlink can switch frequency bands in pairs, in which case the network device can also notify only one set of frequency band switching parameters; in FDD spectrum or mode, uplink and downlink can also switch frequency bands individually, in which case if the network device only notifies one set of frequency band switching parameters, this set of frequency band switching parameters is only used for uplink or downlink frequency band switching. If it is necessary to instruct both uplink and downlink to perform frequency band switching, then two sets of frequency band switching parameters need to be notified.

[0188] The wireless network communication methods provided in some embodiments of this disclosure can be applied to the network device 202 of the first type of communication in the communication system shown in FIG2. FIG14 shows a flowchart of another wireless network communication method, which includes the following steps S1401.

[0189] In S1401, communication with the terminal takes place on the target spectrum. The target spectrum is a frequency domain resource used by both Type I and Type II communication.

[0190] Taking NTN or TN network devices as an example of the first type of communication, the NTN or TN network devices can communicate with the terminal on the target spectrum. Since the target spectrum is a frequency domain resource shared by both NTN and TN, NTN or TN does not need separate spectrum resources for transmission, thereby saving spectrum resources and improving spectrum resource utilization.

[0191] It should be noted that the descriptions of cell handover, frequency band handover, interference avoidance, etc. between NTN and TN can be found in the terminal-side descriptions above, and will not be repeated here.

[0192] In addition to various methods at the terminal side, to reduce transmission interference between NTN and TN, the following methods can also be used:

[0193] In some embodiments, a network device of the first type of communication sends first information to a network device of the second type of communication, or receives first information from a network device of the second type of communication. The first information includes at least one of the following: resource usage information, resource interference information, resource switching request or command, or measurement results.

[0194] In some embodiments, the first information may also be information sent by a network device (such as a network device for first-type communication or second-type communication) to a target network device, and may also be information sent by the target network device to another network device (such as a network device for first-type communication or second-type communication). The target network device includes at least one of the following: a core network device connected to a network device for first-type communication; a core network device connected to a network device for second-type communication; a core network device connected to both a network device for first-type communication and a network device for second-type communication; a spectrum access system; or a spectrum management system. It should be understood that the above and the following core network devices are at least one of the core network devices connected to a network device for first-type communication or a core network device connected to a network device for second-type communication.

[0195] Method 5: TN network devices send resource usage information (or network resource usage status) to core network devices, OAM systems, spectrum access systems, spectrum management systems, or NTN network devices; or, NTN network devices send resource usage information to core network devices, OAM systems, spectrum access systems, spectrum management systems, or TN network devices.

[0196] For example, an NTN base station (or TN base station) sends resource usage information of an NTN cell (or TN cell) to a TN base station (or NTN base station). For example, a base station (e.g., a TN base station) or a cell (e.g., a TN cell) can be a set of base stations or a set of cells.

[0197] In some embodiments, resource usage information can be the status of the frequency band used by the current cell (or a previous cell), information on the frequency band planned for use after a first time period, information on the frequency band requested for use after the first time period, or information indicating the frequency band used by the other network. Thus, when the first party actively sends its own resource usage information to the second party, it hopes the second party will consider this information and thus avoid interference. However, whether the other network decides to avoid interference depends on the other network's needs or other solutions (such as the various frequency band switching methods mentioned above). For example, an NTN network device might send information about its currently used or planned frequency band after the first time period to a TN network device, hoping the TN network device will not use that frequency band information now or after the first time period, thereby reducing interference and improving transmission quality.

[0198] Resource usage information may include at least one of the following: 1) Time-domain resources, such as TDD configuration information, occupied time-domain resources, cyclic prefix type, resource usage period / offset / duration, etc.; 2) Frequency-domain resources, such as subcarrier spacing, frequency bands, carriers, channels, resource block sets, resource block groups, subchannels, subbands, carrier portions, and bandwidth portions; 3) Spatial-domain resources, such as beams / footprints / cells, codewords, layers, ports, downtilt angles, and elevation angles; 4) Code-domain resources, such as sequences and codewords; 5) Energy-domain resources, such as channel or signal power, power boost / back-off values, etc.

[0199] Figure 15 illustrates a schematic diagram of transmitting resource usage information. As shown in Figure 15, NTN satellites can send resource usage information to TN base stations, which includes information on resources currently or in the future.

[0200] Method 6: The TN network device sends at least one of the following to the core network device, OAM system, spectrum access system, spectrum management system, or NTN network device: resource interference information, measurement results, or resource switching command (or resource switching request); or, the NTN network device sends at least one of the following to the core network device, OAM system, spectrum access system, spectrum management system, or TN network device: resource interference information, measurement results, or resource switching command (or resource switching request). For example, the resource switching command or resource switching request can be a frequency band switching command or frequency band switching request.

[0201] For example, an NTN base station (or TN base station) sends at least one of the following to a TN base station (or NTN base station): resource interference information or measurement results of an NTN cell (or TN cell). A base station (e.g., a TN base station) or a cell (e.g., a TN cell) can also be a set of base stations or a set of cells.

[0202] It should be noted that in Method 6, the resources in the resource interference information, resource switching command, and resource switching request are those that are severely interfered with, such as frequency bands that are severely interfered with based on measurement results. For example, one party sends information about the frequency domain resources (e.g., frequency band number), time domain resources (e.g., the time period during which the interference exists), and spatial domain resources (e.g., beam number) currently interfered with in its network to another party, hoping that the other party will consider the information sent by its party and take measures to avoid interference. However, whether the other party will take measures to avoid interference depends on the other party's actual situation or is determined through other methods (e.g., the aforementioned frequency band switching method).

[0203] In some embodiments, in NTN and TN network devices, the first party can send measurement results to the second party, enabling the second party to determine whether the first party is experiencing interference based on the measurement results. If interference is determined, the second party can perform frequency band switching in various ways described above to avoid interference. Alternatively, the first party can determine the resource (e.g., frequency band) experiencing interference based on the measurement results and generate resource interference information. The first party can then send this resource interference information to the second party. Upon receiving the resource interference information, the second party can determine the resource experiencing interference and perform the aforementioned frequency band switching to avoid interference.

[0204] In some embodiments, the measurement is related to the mode (or sharing mode) in which the NTN and TN share the target spectrum. 1) If the sharing mode of the NTN and TN is based on normal pairing sharing in FDD mode, i.e., NTN DL shares the TN DL spectrum and NTN UL shares the TN UL spectrum, then the measurement results include measurements of the TN terminal's downlink signal to the NTN, or measurements of the NTN terminal's downlink signal to the TN, or measurements of the TN base station's uplink signal to the NTN, or measurements of the NTN base station's uplink signal to the TN; 2) If the sharing mode of the NTN and TN is based on reverse pairing sharing in FDD mode, i.e., NTN DL shares the TN UL spectrum and NTN UL shares the TN DL spectrum, then the measurement results include measurements of the TN terminal's uplink signal to the NTN, or measurements of the NTN terminal's uplink signal to the TN, or measurements of the TN base station's downlink signal to the NTN, or measurements of the NTN base station's downlink signal to the TN; 3) If the sharing mode of the NTN and TN is based on TDD spectrum or involves TDD mode, then one or more of the above eight measurements are possible. 4) If the measurement results are based on measurements of non-specific signals or channels, such as Received Signal Strength Indication (RSSI), then the measurement results do not distinguish which base station or terminal link is being measured, and the measurement is applied to all co-channel or adjacent channel interference.

[0205] Method 7: The terminal sends a resource usage request to the network device (NTN network device or TN network device), or the network device sends a resource usage license or allocation to the terminal, or the terminal sends a resource usage request to the network device (NTN network device or TN network device), and the network device sends a resource usage license or allocation to the terminal. This resource usage license or allocation is used to indicate uplink / downlink resources.

[0206] Resource usage requests may include one or more of the following: 1) Time domain resource usage requests, such as time domain resource usage or switching requests, including NTN-TN time division multiplexing configuration, NTN-TN time division multiplexing configuration switching, etc.; 2) Frequency domain resource usage, switching, or activation / deactivation requests, such as NTN-TN frequency division multiplexing configuration, NTN-TN frequency division multiplexing configuration switching, frequency band activation / deactivation, frequency band switching; 3) The information in the resource usage request may also include resource information defined in methods 5 and 6, including requests for other time domain resources, other frequency domain resources, code domain resources, spatial domain resources, or energy domain resources.

[0207] In some embodiments, the terminal can determine changes in the topology or interference of the NTN and TN shared spectrum network based on at least one of the following information: measurements, ephemeris data, or GNSS data. It can then decide whether it is necessary to adjust the resources used (e.g., band switching) and send a resource usage request to the base station. Based on the resource usage request sent by the terminal, the base station provides feedback on resource usage permission (e.g., permission to perform band switching). Resource usage permission may include one or more of the following: permission, disallowment, or self-determination. Additionally, the resource usage request can be sent via the Physical Uplink Control Channel (PUCCH) or the Physical Uplink Shared Channel (PUSCH). Resource usage permission can be sent via the PDCCH or the Physical Downlink Shared Channel (PDSCH). For example, the base station may also allocate or indicate the resources to be used directly to the terminal without sending resource usage permission. For example, the base station may instruct the terminal to perform a handover of the time-division multiplexing shared spectrum configuration or instruct the terminal to perform a band switching. It should be understood that in this case, the resource usage license can be the second signaling in the above-described manner, or signaling instructing the terminal to time-division multiplex the target spectrum, etc.

[0208] Method 8: Among the above methods, when a network device or terminal performs dynamic switching of shared spectrum (such as switching of frequency band, switching of time division multiplexing, switching of beam or footprint, switching from shared spectrum to non-shared spectrum, switching from non-shared spectrum to shared spectrum, etc.), in order to specify the switching time, the network device can configure or indicate the execution time of the switching to the terminal (i.e., switching timing parameters).

[0209] In some embodiments, the network device may send handover timing parameters to the terminal. The handover timing parameters include at least one of the following: the start time of the handover execution, the end time of the handover execution, the duration of the handover execution, and the offset of the start time or end time relative to the current time (e.g., the time when the handover command or handover configuration parameters are received).

[0210] The offset relative to the current time means that after this offset, handover must begin or be completed. Furthermore, to ensure the terminal can complete radio frequency adjustments within the handover time, it can be stipulated that before completing the handover, the terminal may not send a Channel Sounding Reference Signal (SRS), Channel State Information (CSI) report, Random Access Channel (RACH), PUSCH, PUCCH, or detect PDCCH. The timing before handover can be determined based on radio frequency timing parameter requirements or the timing parameters configured by the base station.

[0211] Method 9: The terminal has the ability to support shared spectrum.

[0212] Considering the complexity and cost factors involved, different terminals can be determined to have different sharing capabilities for NTN and TN to share the target spectrum.

[0213] 9-1. Terminal supports / does not support the ability to share spectrum between NTN and TN.

[0214] 9-1-1. Does the terminal support / not support the ability to share spectrum between uplink NTN and TN?

[0215] Terminal supports / does not support NTN uplink sharing of TN spectrum

[0216] The terminal supports / does not support the ability of NTN uplink to share TN uplink spectrum.

[0217] The terminal supports / does not support the ability of NTN uplink to share TN downlink spectrum.

[0218] Terminal supports / does not support the ability to share NTN spectrum for TN uplink.

[0219] The terminal supports / does not support the ability to share the NTN uplink spectrum with the TN uplink.

[0220] The terminal supports / does not support the ability to share NTN downlink spectrum with TN uplink.

[0221] 9-1-2. Terminal supports / does not support downlink NTN and TN spectrum sharing capability

[0222] Terminal supports / does not support NTN downlink sharing of TN spectrum.

[0223] Terminal supports / does not support the ability to share TN uplink spectrum with NTN downlink.

[0224] Terminal supports / does not support the ability to share TN downlink spectrum with NTN.

[0225] Terminal supports / does not support TN downlink sharing of NTN spectrum.

[0226] The terminal supports / does not support the ability to share NTN uplink spectrum with TN downlink.

[0227] Terminal supports / does not support the ability to share NTN downlink spectrum with TN downlink.

[0228] Before communicating with at least one of the NTN or TN network devices, the terminal may report to at least one of the NTN or TN network devices whether it supports the terminal capability of sharing spectrum. This terminal capability is at least one of the aforementioned capabilities. In some embodiments of this disclosure, the terminal capability reporting of method 9 can also be applied to the terminal side in some embodiments of this disclosure.

[0229] If the terminal supports NTN and TN spectrum sharing, the network device can configure at least one of the terminal's uplink or downlink to require shared spectrum. Otherwise, the network device will not configure at least one of the terminal's uplink or downlink to require shared spectrum.

[0230] The wireless network communication methods provided in some embodiments of this disclosure can be applied to the network device 203 of the second type of communication in the communication system shown in FIG2. FIG16 shows a flowchart of yet another wireless network communication method, which includes the following steps S1601.

[0231] In S1601, communication with the terminal takes place on the target spectrum. The target spectrum is the frequency domain resource used by both Type I and Type II communication.

[0232] Taking NTN or TN network devices as an example of Category II communication, these devices can communicate with terminals on the target spectrum. Since the target spectrum is a frequency domain resource shared by both NTN and TN, neither NTN nor TN requires separate spectrum resources for transmission, thus saving spectrum resources and improving spectrum resource utilization.

[0233] It should be noted that, since one of the first type of communication and the other of the second type of communication can be NTN and the other can be TN, the various descriptions of cell handover, frequency band handover, interference avoidance, etc. between NTN and TN can refer to the descriptions on the terminal side above. The configuration of the first information and the configuration of the handover timing parameters between NTN network devices and TN network devices can also refer to the network device side of the first type of communication above, and will not be repeated here.

[0234] Combining the above methods, Figure 17 illustrates a schematic diagram of NTN and TN resource sharing. As shown in Figure 17, NTN and TN resource sharing includes cell selection by NTN and TN, and cooperation and resource sharing between NTN and TN. Cell selection by NTN and TN includes schemes 2-1 to 2-7 mentioned above. Cooperation and resource sharing between NTN and TN include methods 1 to 9.

[0235] It is understood that, in order to achieve the above-mentioned functions, the communication device includes at least one of the hardware structures or software modules corresponding to the execution of each function. Those skilled in the art should readily recognize that, based on the algorithmic steps of the various examples described in conjunction with some embodiments of this disclosure, this disclosure can be implemented in hardware or a combination of hardware and computer software. Whether a function is executed in hardware or by computer software driving hardware depends on the specific application and design constraints of the technical solution. Those skilled in the art can use different methods to implement the described functions for each specific application, but such implementation should not be considered beyond the scope of this disclosure.

[0236] Some embodiments of this disclosure can divide the communication device into functional modules according to the above method embodiments. For example, each function can be divided into a separate functional module, or two or more functions can be integrated into one functional module. The integrated module can be implemented in hardware or software. It should be noted that the module division in some embodiments of this disclosure is illustrative and only represents one logical functional division; other division methods may be used in actual implementation. The following description uses the example of dividing each functional module according to each function.

[0237] Figure 18 is a block diagram of a communication device according to some embodiments, which can perform the communication method provided in the above embodiments. As shown in Figure 18, the communication device includes a communication unit 1801. The communication unit 1801 is used to communicate with at least one of a first-type communication network device or a second-type communication network device on a target spectrum. The target spectrum is a frequency domain resource used by the first-type communication and the second-type communication.

[0238] In some embodiments, the communication unit 1801 is configured to: communicate with at least one of a first type of communication network device or a second type of communication network device on a target spectrum based on a first signaling. The first signaling is used to indicate configuration information of multiple frequency bands divided in the target spectrum.

[0239] In some embodiments, the multiple frequency bands include at least one of the following: a first frequency band, a second frequency band, or a third frequency band. The first frequency band supports communication between the terminal and a network device of the first type of communication; the second frequency band supports communication between the terminal and a network device of the second type of communication; and the third frequency band supports communication between the terminal and both the network device of the first type of communication and the network device of the second type of communication.

[0240] In some embodiments, the multiple frequency bands do not overlap in the frequency domain.

[0241] In some embodiments, a guard bandwidth exists between two adjacent frequency bands in a plurality of frequency bands.

[0242] In some embodiments, each of the plurality of frequency bands includes any one of the following: at least one resource element, at least one resource block, at least one set of resource blocks, at least one group of resource blocks, at least one subchannel, at least one subband, at least one carrier portion, at least one bandwidth portion, at least one carrier, and at least one channel.

[0243] In some embodiments, the first signaling includes at least one of the following: the number of frequency bands, the number of frequency bands, the start frequency of the frequency band, the end frequency of the frequency band, the width of the frequency band, the number of guard intervals, the number of guard intervals, the start frequency of the guard interval, the end frequency of the guard interval, the width of the guard interval, or the subcarrier interval.

[0244] In some embodiments, as shown in FIG18, the communication device further includes a processing unit 1802.

[0245] The processing unit 1802 is configured to perform at least one of the following: perform location-based frequency band switching; perform time-based frequency band switching; perform event-based frequency band switching; perform second signaling-based frequency band switching; or report a resource usage request.

[0246] In some embodiments, frequency band switching includes activating or deactivating a target frequency band, wherein the target frequency band is at least one of a plurality of frequency bands.

[0247] In some embodiments, the second signaling originates from any of the following: a network device for first-class communication, a network device for second-class communication, a spectrum access system, or a spectrum management system.

[0248] In some embodiments, the processing unit 1802 is configured to: communicate with at least one of a first-type communication network device or a second-type communication network device on a target spectrum based on a third signaling. The third signaling is used to indicate configuration information for time-division multiplexing of the target spectrum for the first-type and second-type communication.

[0249] In some embodiments, the third signaling includes at least one of the following: pattern, offset, duration, or period.

[0250] In some embodiments, the processing unit 1802 is configured to determine a target cell that meets the cell handover conditions from a plurality of candidate cells. The plurality of candidate cells includes cells for first-type communication and cells for second-type communication.

[0251] Processing unit 1802 is used to switch from source cell to target cell.

[0252] In some embodiments, the processing unit 1802 is configured to: determine a target cell from multiple candidate cells based on the priority of multiple candidate cells.

[0253] In some embodiments, the priority satisfies any of the following relationships: the priority of switching to a cell of type 1 communication is equal to the priority of switching to a cell of type 2 communication; the priority of switching to a cell of type 1 communication is higher than the priority of switching to a cell of type 2 communication; the priority of switching to a cell of type 1 communication is lower than the priority of switching to a cell of type 2 communication.

[0254] In some embodiments, the relationship between the priority of cells in the first type of communication and the priority of cells in the second type of communication is predefined, or determined by the network side, or determined by the terminal side.

[0255] In some embodiments, the relationship between the priority of cells for the first type of communication and the priority of cells for the second type of communication is determined based on the source of the target spectrum.

[0256] In some embodiments, when the target spectrum originates from a first type of communication, the priority of switching to a cell for the first type of communication is higher than the priority of switching to a cell for the second type of communication; or, when the target spectrum originates from a second type of communication, the priority of switching to a cell for the first type of communication is lower than the priority of switching to a cell for the second type of communication.

[0257] In some embodiments, the communication unit 1801 is further configured to receive configuration parameters for cell handover conditions. The configuration parameters include at least one of the following: a threshold value or an offset value.

[0258] In some embodiments, the threshold values ​​include a first threshold value corresponding to a cell of the first type of communication and a second threshold value corresponding to a cell of the second type of communication.

[0259] In some embodiments, the offset value includes a first offset value corresponding to a cell of the first type of communication and a second offset value corresponding to a cell of the second type of communication.

[0260] In some embodiments, the offset values ​​include N first offset values ​​corresponding to cells of the first type of communication and M second offset values ​​corresponding to cells of the second type of communication, where N and M are both positive integers.

[0261] In some embodiments, the communication unit 1801 is configured to report to at least one of the network devices of the first type of communication or the network devices of the second type of communication whether it supports the terminal capability of sharing spectrum.

[0262] In some embodiments, the terminal capabilities include at least one of the following: the ability to support / not support sharing spectrum between Type 1 and Type 2 communications; the ability to support / not support uplink sharing spectrum between Type 1 and Type 2 communications; the ability to support / not support uplink sharing spectrum between Type 1 and Type 2 communications; the ability to support / not support uplink sharing spectrum between Type 1 and Type 2 communications; the ability to support / not support uplink sharing spectrum between Type 1 and Type 2 communications; the ability to support / not support uplink sharing spectrum between Type 1 and Type 2 communications; the ability to support / not support uplink sharing spectrum between Type 2 and Type 1 communications; the ability to support / not support uplink sharing spectrum between Type 2 and Type 1 communications; the ability to support / not support uplink sharing spectrum between Type 2 and Type 1 communications; the ability to support / not support downlink sharing spectrum between Type 1 and Type 2 communications; the ability to support / not support downlink sharing spectrum between Type 1 and Type 2 communications; the ability to support / not support downlink sharing spectrum between Type 1 and Type 2 communications; the ability to support / not support downlink sharing spectrum between Type 1 and Type 2 communications; the ability to support / not support downlink sharing spectrum between Type 2 and Type 1 communications; the ability to support / not support downlink sharing spectrum between Type 2 and Type 1 communications; or, the ability to support / not support downlink sharing spectrum between Type 2 and Type 1 communications.

[0263] Figure 19 is a block diagram of another communication device according to some embodiments, which can perform the communication method provided in the above-described method embodiments. As shown in Figure 19, the communication device includes a communication unit 1901. The communication unit 1901 is used to communicate with a terminal on a target spectrum. The target spectrum is a frequency domain resource used by the first type of communication and the second type of communication.

[0264] In some embodiments, the communication unit 1901 is configured to send a first signaling to the terminal, the first signaling being used to indicate configuration information of multiple frequency bands divided in the target spectrum.

[0265] In some embodiments, the multiple frequency bands include at least one of the following: a first frequency band, a second frequency band, or a third frequency band. The first frequency band supports communication between the terminal and a network device of the first type of communication; the second frequency band supports communication between the terminal and a network device of the second type of communication; and the third frequency band supports communication between the terminal and both the network device of the first type of communication and the network device of the second type of communication.

[0266] In some embodiments, the communication unit 1901 is configured to send a third signaling to the terminal, the third signaling being used to indicate configuration information of the target spectrum for time-division multiplexing of the first type of communication and the second type of communication.

[0267] In some embodiments, the communication unit 1901 is configured to send configuration parameters of cell handover conditions to the terminal. The configuration parameters include at least one of the following: a threshold value or an offset value.

[0268] In some embodiments, the communication unit 1901 is configured to send switching timing parameters to the terminal. The switching timing parameters include at least one of the following: the start time of the switching execution, the end time of the switching execution, the duration of the switching execution, and the offset of the start time or end time relative to the current time.

[0269] In some embodiments, the communication unit 1901 is configured to send first information to a network device of the second type of communication, or to receive first information from a network device of the second type of communication. The first information includes at least one of the following: resource usage information, resource interference information, resource switching command or request, or measurement results.

[0270] In some embodiments, as shown in FIG19, the communication device further includes a determining unit 1902; the determining unit 1902 is configured to determine whether to switch the currently used resource based on the first information.

[0271] In some embodiments, the communication unit 1901 is configured to send first information to a target network device, or to receive first information from a target network device. The first information includes at least one of the following: resource usage information, resource interference information, resource switching command or request, or measurement results.

[0272] In some embodiments, the target network device includes at least one of the following: a core network device to which a network device of the first type of communication is connected; a core network device to which a network device of the second type of communication is connected; a core network device to which the network device of the first type of communication and the network device of the second type of communication are connected; a spectrum access system; or a spectrum management system.

[0273] Figure 20 is a block diagram of another communication device according to some embodiments, which can perform the communication method provided in the above-described method embodiments. As shown in Figure 20, the communication device includes a communication unit 2001. The communication unit 2001 is used to communicate with a terminal on a target spectrum. The target spectrum is a frequency domain resource used by first-type communication and second-type communication.

[0274] In some embodiments, the communication unit 2001 is configured to send a first signaling to the terminal. The first signaling is used to indicate the configuration information of multiple frequency bands allocated to the target spectrum.

[0275] In some embodiments, the multiple frequency bands include at least one of the following: a first frequency band, a second frequency band, or a third frequency band. The first frequency band supports communication between the terminal and a network device of the first type of communication; the second frequency band supports communication between the terminal and a network device of the second type of communication; and the third frequency band supports communication between the terminal and both the network device of the first type of communication and the network device of the second type of communication.

[0276] In some embodiments, the communication unit 2001 is configured to send a third signaling to the terminal. The third signaling is used to indicate configuration information for the target spectrum of time-division multiplexing for the first type of communication and the second type of communication.

[0277] In some embodiments, the communication unit 2001 is configured to send configuration parameters of cell handover conditions to the terminal. The configuration parameters include at least one of the following: a threshold value or an offset value.

[0278] In some embodiments, the communication unit 2001 is configured to send switching timing parameters to the terminal. The switching timing parameters include at least one of the following: the start time of the switching execution, the end time of the switching execution, the duration of the switching execution, and the offset of the start time or end time relative to the current time.

[0279] In some embodiments, the communication unit 2001 is configured to send first information to a network device of the first type of communication, or to receive first information from a network device of the first type of communication. The first information includes at least one of the following: resource usage information, resource interference information, or measurement results.

[0280] In some embodiments, as shown in FIG20, the communication device further includes a determining unit 2002. The determining unit 2002 is configured to determine whether to switch the currently used resource based on the first information.

[0281] In some embodiments, the communication unit 2001 is configured to send first information to a target network device, or to receive first information from a target network device. The first information includes at least one of the following: resource usage information, resource interference information, resource switching command, resource switching request, or measurement result.

[0282] In some embodiments, the target network device includes at least one of the following: a core network device to which a network device of the first type of communication is connected; a core network device to which a network device of the second type of communication is connected; a core network device to which the network device of the first type of communication and the network device of the second type of communication are connected; a spectrum access system; or a spectrum management system.

[0283] In the case of implementing the functions of the integrated modules described above in hardware, some embodiments of this disclosure provide another structure for the communication device involved in the above embodiments. As shown in FIG21, the communication device 210 includes a processor 2102 and a bus 2104. For example, the communication device 210 may also include a memory 2101. For example, the communication device 210 may also include a communication interface 2103.

[0284] Processor 2102 may implement or execute various exemplary logic blocks, modules, and circuits described in conjunction with some embodiments of this disclosure. Processor 2102 may be a central processing unit, a general-purpose processor, a digital signal processor, an application-specific integrated circuit (ASIC), a field-programmable gate array (FPGA), or other programmable logic devices, transistor logic devices, hardware components, or any combination thereof. Processor 2102 may implement or execute various exemplary logic blocks, modules, and circuits described in conjunction with some embodiments of this disclosure. Processor 2102 may also be a combination that implements computing functions, such as including one or more microprocessor combinations, a combination of a digital signal processor (DSP) and a microprocessor, etc.

[0285] The communication interface 2103 is used to connect to other devices via a communication network. This communication network can be Ethernet, wireless access network, wireless local area network (WLAN), etc.

[0286] The memory 2101 may be a read-only memory (ROM) or other type of static storage device capable of storing static information and instructions, random access memory (RAM) or other type of dynamic storage device capable of storing information and instructions, or electrically erasable programmable read-only memory (EEPROM), disk storage media or other magnetic storage devices, or any other medium capable of carrying or storing desired program code in the form of instructions or data structures and accessible by a computer, but is not limited thereto.

[0287] In some embodiments, the memory 2101 may exist independently of the processor 2102. The memory 2101 may be connected to the processor 2102 via a bus 2104 and may be used to store instructions or program code. When the processor 2102 calls and executes the instructions or program code stored in the memory 2101, it can implement the wireless network communication method provided in some embodiments of this disclosure.

[0288] In some embodiments, the memory 2101 may also be integrated with the processor 2102.

[0289] Bus 2104 can be an Extended Industry Standard Architecture (EISA) bus, etc. Bus 2104 can be divided into address bus, data bus, control bus, etc. For ease of illustration, only one thick line is used to represent it in Figure 21, but this does not mean that there is only one bus or one type of bus.

[0290] Some embodiments of this disclosure provide a computer-readable storage medium (e.g., a non-transitory computer-readable storage medium) storing computer program instructions that, when executed on a computer, cause the computer to perform a wireless network communication method as described in any of the above embodiments.

[0291] For example, the aforementioned computer-readable storage media may include, but are not limited to: magnetic storage devices (e.g., hard disks, floppy disks, or magnetic tapes), optical disks (e.g., compact disks (CDs), digital versatile disks (DVDs), etc.), smart cards, and flash memory devices (e.g., erasable programmable read-only memory (EPROMs), cards, sticks, or key drives, etc.). The various computer-readable storage media described in this disclosure may represent at least one of one or more devices or other machine-readable storage media for storing information. The term "machine-readable storage medium" may include, but is not limited to, wireless channels and various other media capable of storing, containing, and / or carrying at least one of instructions or data.

[0292] This disclosure provides a computer program product containing instructions that, when run on a computer, cause the computer to perform the communication method described in any of the above embodiments.

[0293] The above description is merely a specific embodiment of this disclosure, but the scope of protection of this disclosure is not limited thereto. Any changes or substitutions within the technical scope disclosed in this disclosure should be included within the scope of protection of this disclosure. Therefore, the scope of protection of this disclosure should be determined by the scope of the claims.

Claims

1. A wireless network communication method, applied to a terminal, the method comprising: Communication with at least one of a first type of communication network device or a second type of communication network device on a target spectrum; wherein the target spectrum is a frequency domain resource used by the first type of communication and the second type of communication.

2. The method according to claim 1, wherein, The communication with at least one of the first type of communication network device or the second type of communication network device on the target spectrum includes: Based on a first signaling, communication is made with at least one of the network devices of the first type of communication or the network devices of the second type of communication on the target spectrum; wherein the first signaling is used to indicate the configuration information of multiple frequency bands divided in the target spectrum.

3. The method according to claim 2, wherein, The plurality of frequency bands includes at least one of the following: a first frequency band, a second frequency band, or a third frequency band; wherein, the first frequency band supports communication between the terminal and the network device of the first type of communication; the second frequency band supports communication between the terminal and the network device of the second type of communication; and the third frequency band supports communication between the terminal and the network device of the first type of communication as well as the network device of the second type of communication.

4. The method according to claim 2, wherein, The multiple frequency bands do not overlap in the frequency domain.

5. The method according to claim 2, wherein, There is a guard band between two adjacent frequency bands in the plurality of frequency bands.

6. The method according to claim 2, wherein, Each of the plurality of frequency bands includes any one of the following: at least one resource element, at least one resource block, at least one set of resource blocks, at least one group of resource blocks, at least one subchannel, at least one subband, at least one carrier portion, at least one bandwidth portion, at least one carrier, and at least one channel.

7. The method according to claim 2, wherein, The first signaling includes at least one of the following: the number of the plurality of frequency bands, the number of the plurality of frequency bands, the start frequency of the plurality of frequency bands, the end frequency of the plurality of frequency bands, the width of the plurality of frequency bands, the number of guard intervals, the number of the guard intervals, the start frequency of the guard intervals, the end frequency of the guard intervals, the width of the guard intervals, and the subcarrier interval.

8. The method of claim 2, further comprising at least one of the following: Perform location-based frequency band switching; Perform timed frequency band switching; Perform frequency band switching based on trigger events; Perform a frequency band switch based on the second signaling; or Report a request to use resources.

9. The method according to claim 8, wherein, The frequency band switching includes activating or deactivating the target frequency band, wherein the target frequency band is at least one of the plurality of frequency bands.

10. The method according to claim 8, wherein, The second signaling originates from any of the following: the network device of the first type of communication, the network device of the second type of communication, the spectrum access system, or the spectrum management system.

11. The method according to claim 1, wherein, The communication with at least one of the first type of communication network device or the second type of communication network device on the target spectrum includes: Based on a third signaling, communication is conducted on the target spectrum with at least one of the network devices of the first type of communication or the second type of communication; wherein the third signaling is used to indicate the configuration information for time-division multiplexing of the target spectrum for the first type of communication and the second type of communication.

12. The method according to claim 11, wherein, The third signaling includes at least one of the following: pattern, offset, duration, or period.

13. The method according to claim 1, further comprising: A target cell that meets the cell handover conditions is determined from multiple candidate cells; the multiple candidate cells include cells for the first type of communication and cells for the second type of communication. as well as Switch from the source cell to the target cell.

14. The method according to claim 13, wherein, The step of determining the target cell that meets the cell handover conditions from the plurality of candidate cells includes: The target cell is determined from the plurality of candidate cells based on their priorities.

15. The method according to claim 14, wherein, The priorities of the multiple candidate cells satisfy any one of the following relationships: The priority for switching to a cell of the first type of communication is equal to the priority for switching to a cell of the second type of communication; The priority for handing over to a cell of the first type of communication is higher than the priority for handing over to a cell of the second type of communication; and The priority for switching to a cell of the first type of communication is lower than the priority for switching to a cell of the second type of communication.

16. The method according to claim 15, wherein, The relationship between the priority of the cell for the first type of communication and the priority of the cell for the second type of communication is predefined, or determined by the network side or by the terminal side.

17. The method according to claim 15, wherein, The relationship between the priority of the first type of communication cell and the priority of the second type of communication cell is determined based on the source of the target spectrum.

18. The method according to claim 17, wherein, When the target spectrum originates from the first type of communication, the priority of switching to a cell for the first type of communication is higher than the priority of switching to a cell for the second type of communication; or, when the target spectrum originates from the second type of communication, the priority of switching to a cell for the first type of communication is lower than the priority of switching to a cell for the second type of communication.

19. The method of claim 13, further comprising: Before determining the target cell that meets the cell handover conditions from the plurality of candidate cells. Receive configuration parameters for the cell handover conditions; wherein the configuration parameters include at least one of the following: a threshold value or an offset value.

20. The method according to claim 19, wherein, The threshold values ​​include a first threshold value corresponding to the cell of the first type of communication and a second threshold value corresponding to the cell of the second type of communication.

21. The method according to claim 19, wherein, The offset value includes a first offset value corresponding to the cell of the first type of communication and a second offset value corresponding to the cell of the second type of communication.

22. The method according to claim 19, wherein, The offset values ​​include N first offset values ​​corresponding to the cells of the first type of communication and M second offset values ​​corresponding to the cells of the second type of communication, where N and M are both positive integers.

23. The method according to claim 1, further comprising: Before communicating with at least one of the first type of communication network devices or the second type of communication network devices on the target spectrum. Report to at least one of the network devices of the first type of communication or the network devices of the second type of communication whether the terminal capability supports shared spectrum.

24. The method according to claim 23, wherein, The terminal capabilities include at least one of the following: The ability to support / not support the first type of communication and the second type of communication sharing the spectrum; The ability to support / not support uplink Type 1 and Type 2 communications sharing the spectrum; Support / do not support the ability of the first type of communication to share the spectrum of the second type of communication uplink; Supports / does not support the ability of the first type of communication to share the uplink spectrum of the second type of communication; Supports / does not support the ability of the first type of communication to share the downlink spectrum of the second type of communication; The ability to support / not support the uplink sharing of the spectrum of the first type of communication with the second type of communication; Supports / does not support the ability of the second type of communication to share the uplink spectrum of the first type of communication; Supports / does not support the ability of the second type of communication to share the downlink spectrum of the first type of communication uplink; The ability to support / not support downlink Type I and Type II communications sharing the spectrum; The ability to support / not support the downlink sharing of the spectrum of the second type of communication with the first type of communication; Supports / does not support the ability of the downlink of the first type of communication to share the uplink spectrum of the second type of communication; Support / does not support the ability of the first type of communication to share the downlink spectrum of the second type of communication; The ability to support / not support the downlink sharing of the spectrum of the first type of communication with the second type of communication; Supports / does not support the ability of the second type of communication to share the uplink spectrum of the first type of communication in the downlink; or Supports / does not support the ability of the second type of communication to share the downlink spectrum of the first type of communication.

25. A wireless network communication method, applied to a network device of the first type of communication, the method comprising: Communicating with the terminal on the target spectrum; wherein the target spectrum is the frequency domain resource used by the first type of communication and the second type of communication.

26. The method of claim 25, further comprising: Send a first signaling message to the terminal; wherein the first signaling message is used to indicate the configuration information of multiple frequency bands divided by the target spectrum.

27. The method according to claim 26, wherein, The plurality of frequency bands includes at least one of the following: a first frequency band, a second frequency band, or a third frequency band; wherein, the first frequency band supports communication between the terminal and the network device of the first type of communication; the second frequency band supports communication between the terminal and the network device of the second type of communication; and the third frequency band supports communication between the terminal and the network device of the first type of communication as well as the network device of the second type of communication.

28. The method of claim 25, further comprising: A third signaling is sent to the terminal; wherein the third signaling is used to indicate the configuration information for time-division multiplexing of the target spectrum for the first type of communication and the second type of communication.

29. The method of claim 25, further comprising: The terminal is sent with configuration parameters for cell handover conditions; wherein the configuration parameters include at least one of the following: a threshold value or an offset value.

30. The method of claim 25, further comprising: Send switching timing parameters to the terminal; wherein the switching timing parameters include at least one of the following: the start time of switching execution, the end time of switching execution, the duration of switching execution, and the offset of the start time or the end time relative to the current time.

31. The method of claim 25, further comprising: Sending first information to the network device of the second type of communication, or receiving first information from the network device of the second type of communication; The first information includes at least one of the following: resource usage information, resource interference information, resource switching command, resource switching request, or measurement results.

32. The method of claim 31, further comprising: When the first information comes from a network device of the second type of communication. Based on the first information, determine whether to switch the currently used resource.

33. The method of claim 25, comprising: Send first information to the target network device, or receive first information from the target network device; The first information includes at least one of the following: resource usage information, resource interference information, resource switching command, resource switching request, or measurement results.

34. The method according to claim 33, wherein, The target network device includes at least one of the following: The core network equipment connected to the network equipment of the first type of communication; The core network equipment connected to the network equipment of the second type of communication; The core network equipment connected to the network devices of the first type of communication and the network devices of the second type of communication; Spectrum access system; or Spectrum management system.

35. A wireless network communication method, applied to a network device for second-type communication, the method comprising: Communicating with the terminal on the target spectrum; wherein the target spectrum is the frequency domain resource used by the first type of communication and the second type of communication.

36. The method of claim 35, further comprising: Send a first signaling message to the terminal; wherein the first signaling message is used to indicate the configuration information of multiple frequency bands divided by the target spectrum.

37. The method of claim 36, wherein, The plurality of frequency bands includes at least one of the following: a first frequency band, a second frequency band, or a third frequency band; wherein, the first frequency band supports communication between the terminal and the network device of the first type of communication; the second frequency band supports communication between the terminal and the network device of the second type of communication; and the third frequency band supports communication between the terminal and the network device of the first type of communication as well as the network device of the second type of communication.

38. The method of claim 35, further comprising: A third signaling is sent to the terminal; wherein the third signaling is used to indicate the configuration information for time-division multiplexing of the target spectrum for the first type of communication and the second type of communication.

39. The method of claim 35, further comprising: The terminal is sent with configuration parameters for cell handover conditions; wherein the configuration parameters include at least one of the following: a threshold value or an offset value.

40. The method of claim 35, further comprising: Send switching timing parameters to the terminal; wherein the switching timing parameters include at least one of the following: the start time of switching execution, the end time of switching execution, the duration of switching execution, and the offset of the start time or the end time relative to the current time.

41. The method of claim 35, further comprising: Sending first information to a network device of type I communication, or receiving first information from a network device of type I communication; The first information includes at least one of the following: resource usage information, resource interference information, and measurement results.

42. The method of claim 41, further comprising: When the first information comes from a network device of the first type of communication. Based on the first information, determine whether to switch the currently used resource.

43. The method of claim 35, comprising: Send first information to the target network device, or receive first information from the target network device; The first information includes at least one of the following: resource usage information, resource interference information, resource switching command or request, or measurement results.

44. The method according to claim 43, wherein, The target network device includes at least one of the following: The core network equipment connected to the network equipment of the first type of communication; The core network equipment connected to the network equipment of the second type of communication; The core network equipment connected to the network devices of the first type of communication and the network devices of the second type of communication; Spectrum access system; or Spectrum management system.

45. A communication device, comprising: Memory and processor; The memory and the processor are coupled; The memory is used to store instructions that can be executed by the processor; When the processor executes the instructions, it performs the method according to any one of claims 1 to 44.

46. ​​A computer-readable storage medium, wherein, The computer-readable storage medium stores computer program instructions that, when executed on a computer, cause the computer to perform the method according to any one of claims 1 to 44.

47. A computer program product, wherein, The computer program product includes computer program instructions that, when executed by a processor, implement the method according to any one of claims 1 to 44.

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