Communication method, device and system

Abstract

The invention relates to a communication method, device and system. And the terminal equipment sends first capability information to the network equipment, the first capability information comprises capability information of the terminal equipment corresponding to a first frequency combination, and the first frequency combination comprises a first frequency unit and a second frequency unit. Wherein the first capability information further comprises first indication information and / or second indication information, and the first indication information is used for indicating that the terminal equipment supports non-simultaneous operation of uplink transmission of the first frequency unit and downlink reception of the second frequency unit; the second indication information is used for indicating that the first frequency unit or the second frequency unit supports a first filter, the first filter is used for filtering out a first frequency resource, and the first frequency resource is a part of frequency resources in the first frequency unit or the second frequency unit. In the embodiment of the invention, the terminal equipment can send the first capability information to the network equipment, and the network equipment can schedule the terminal equipment according to the first capability information, so that the scheduling correctness of the network equipment on the terminal equipment is improved.

Description

Technical Field

[0001] The present application relates to the field of communication technology, and in particular to a communication method, device and system. Background Art

[0002] User equipment (UE) can support one or more band combinations (BC), which are composed of one or more bands. A band may include one or more carriers. When the UE works on multiple carriers to communicate with network equipment, it is carrier aggregation (CA) or dual connectivity (DC). For example, CA_n5-n7 represents a band combination including new radio (NR) band n5 and NR band n7. Specifically, the network equipment configures at least one uplink carrier and at least one downlink carrier in each band of band n5 and band n7, which are used for uplink transmission and downlink reception of each band, respectively.

[0003] Among them, when the UE works in a frequency band combination, it may not support simultaneous transmission and reception on some of the frequency bands. For example, when the UE works in frequency band combination A, which includes frequency band 1 and frequency band 2, the UE may not support simultaneous uplink transmission on frequency band 1 and downlink reception on frequency band 2. There are many reasons for this problem. For example, when the uplink frequency band of frequency band 1 overlaps with the downlink frequency band of frequency band 1, the UE will not support simultaneous uplink transmission on frequency band 1 and downlink reception on frequency band 2; or, when the UE simultaneously transmits uplink on the uplink frequency band of frequency band 1 and receives downlink on the downlink frequency band of frequency band 2, the transmission process will cause greater interference to the reception process, and the UE may also not support simultaneous uplink transmission on frequency band 1 and downlink reception on frequency band 2.

[0004] However, when scheduling the UE, the network device may schedule the UE to send and receive simultaneously in a frequency band that does not support simultaneous transmission and reception, which may cause the UE to be unable to communicate according to the scheduling of the network device, or may cause the UE's transmission quality to be reduced (for example, discarding sent data or missing received data). Summary of the invention

[0005] Embodiments of the present application provide a communication method, apparatus, and system for enabling a network device to correctly schedule a terminal device.

[0006] In a first aspect, a first communication method is provided, which can be executed by a terminal device, or by other devices including terminal device functions, or by a chip system (or, chip) or other functional module, the chip system or functional module can realize the function of the terminal device, the chip system or functional module is, for example, set in the terminal device. The method includes: sending first capability information to a network device, the first capability information includes capability information of the terminal device corresponding to a first frequency combination, the first frequency combination includes a first frequency unit and a second frequency unit; wherein the first capability information also includes first indication information and / or second indication information, the first indication information is used to indicate that the terminal device supports non-simultaneous operation of uplink transmission in the first frequency unit and downlink reception in the second frequency unit, and the second indication information is used to indicate that the first frequency unit or the second frequency unit supports a first filter, the first filter is used to filter out a first frequency resource, and the first frequency resource is a part of the frequency resource in the first frequency unit or the second frequency unit.

[0007] In an embodiment of the present application, the terminal device can send the first capability information to the network device. Through the indication of the first capability information, the network device can clearly understand that the terminal device supports the non-simultaneous operation of the uplink transmission of the first frequency unit and the downlink reception of the second frequency unit in the first frequency combination, so that the network device can schedule the terminal device accordingly, for example, scheduling the terminal device to work non-simultaneously in the uplink frequency band of the first frequency unit and the downlink frequency band of the second frequency unit, thereby improving the scheduling accuracy of the network device for the terminal device, allowing the terminal device to work normally according to the scheduling of the network device, and also ensuring the transmission quality of the terminal device.

[0008] In an optional implementation, the uplink frequency band of the first frequency unit overlaps with the downlink frequency band of the second frequency unit. A possible reason why the terminal device cannot work simultaneously in the uplink frequency band of the first frequency unit and the downlink frequency band of the second frequency unit is that the uplink frequency band of the first frequency unit and the downlink frequency band of the second frequency unit overlap, and the terminal device cannot transmit and receive at the same time, and therefore cannot work simultaneously.

[0009] In an optional implementation, the first capability information includes second capability information, the second capability information includes the first indication information, the second capability information is capability information of a frequency combination level corresponding to the first frequency combination, and the first indication information includes an identifier of the first frequency unit and an identifier of the second frequency unit. The first indication information may be distributed in different ways in the first capability information, for example, one distribution way is that the first indication information is included in the capability information of the frequency combination level corresponding to the first frequency combination.

[0010] In an optional implementation, the first indication information includes first fields corresponding to the first frequency unit and the second frequency unit, respectively, the value of the first field corresponding to the first frequency unit is a first value, and the value of the first field corresponding to the second frequency unit is a second value, which is used to indicate that the terminal device supports non-simultaneous operation of uplink transmission in the first frequency unit and downlink reception in the second frequency unit; or, the first indication information includes first subfields and second subfields corresponding to the first frequency unit and the second frequency unit, respectively, the first subfield corresponding to the first frequency unit included in the first indication information exists or takes a first value, and the second subfield corresponding to the second frequency unit included in the first indication information exists or takes a first value, which is used to indicate that the terminal device supports non-simultaneous operation of uplink transmission in the first frequency unit and downlink reception in the second frequency unit. The first indication information can have multiple indication modes, for example, the first indication information can include a first field, and different values ​​of the first field can indicate uplink or downlink, which can not only realize the indication of the transmission direction, but also save the overhead of the first indication information; or, the first indication information can include different subfields, and different subfields can indicate uplink or downlink, which is a clearer indication mode.

[0011] In an optional embodiment, the first indication information includes the first subfield and the second subfield corresponding to the first frequency unit, the second frequency unit, the third frequency unit, and the fourth frequency unit respectively, and the first frequency combination also includes the third frequency unit and the fourth frequency unit. The first indication information is also used to indicate that the terminal device supports non-simultaneous operation of uplink transmission in the third frequency unit and downlink reception in the fourth frequency unit, wherein the value of the first subfield corresponding to the first frequency unit included in the first indication information is a first value, and the value of the second subfield corresponding to the second frequency unit included in the first indication information is the first value, which is used to indicate that the terminal device supports non-simultaneous operation of uplink transmission in the first frequency unit and downlink reception in the second frequency unit; the value of the first subfield corresponding to the third frequency unit included in the first indication information is a second value, and the value of the second subfield corresponding to the fourth frequency unit included in the first indication information is the second value, which is used to indicate that the terminal device supports non-simultaneous operation of uplink transmission in the third frequency unit and downlink reception in the fourth frequency unit. If the first frequency unit combination includes multiple uplink and downlink pairs, they can be indicated in this way. Different subfields can indicate different transmission directions, and different values ​​of subfields can indicate different uplink and downlink pairs, making the indication method more flexible.

[0012] In an optional implementation, the first capability information includes capability information of the first frequency unit in the first frequency combination, the capability information of the first frequency unit in the first frequency combination includes third capability information, the third capability information includes first part of information of the first indication information, wherein the third capability information is capability information of the first frequency unit level in the first frequency combination; and the first capability information also includes capability information of the second frequency unit in the first frequency combination, the capability information of the second frequency unit in the first frequency combination includes sixth capability information, the sixth capability information includes second part of information of the first indication information, wherein the sixth capability information is capability information of the second frequency unit level in the first frequency combination. The first indication information has multiple distribution modes in the first capability information, and another distribution mode is that the first indication information can be included in the capability information of the frequency unit level in the first frequency combination, so that the first indication information can better indicate the corresponding frequency unit.

[0013] In an optional implementation, the first capability information includes capability information of the first frequency unit in the first frequency combination, the capability information of the first frequency unit in the first frequency combination includes fourth capability information and fifth capability information, the fourth capability information and the fifth capability information include the first part of the first indication information, wherein the fourth capability information is the capability information of the first frequency unit in the first frequency combination at an uplink level, and the fifth capability information is the capability information of the first frequency unit in the first frequency combination at a downlink level; and the first capability information also includes capability information of the second frequency unit in the first frequency combination, the capability information of the second frequency unit in the first frequency combination includes seventh capability information and eighth capability information, the seventh capability information and the eighth capability information include the second part of the first indication information, wherein the seventh capability information is the capability information of the second frequency unit in the first frequency combination at an uplink level, and the eighth capability information is the capability information of the second frequency unit in the first frequency combination at a downlink level. The first indication information has multiple distribution modes in the first capability information, and another distribution mode is that the first indication information can be included in the capability information of the uplink level or the downlink level of the frequency unit in the first frequency combination, so that the first indication information better indicates the transmission direction.

[0014] In an optional implementation, the second indication information is used to indicate that the first frequency unit or the second frequency unit supports the first filter, including: the second indication information exists or takes a third value, which is used to indicate that the first frequency unit or the second frequency unit supports the first filter. Whether the frequency unit supports the filter can be indicated by whether the second indication information exists, or by the value of the second indication information, which is more flexible.

[0015] In an optional implementation, the second indication information is further used to indicate that the uplink of the first frequency unit supports the first filter, or is used to indicate that the downlink of the second frequency unit supports the first filter. The second indication information can also indicate a transmission direction, so the protocol does not need to predefine the transmission direction corresponding to the first filter, which can reduce the information predefined by the protocol.

[0016] In an optional implementation, the second indication information is also used to indicate the first filtering frequency range corresponding to the first filter. The second indication information can also indicate the first filtering frequency range, so the protocol does not need to predefine the filtering frequency range corresponding to the first filter, which can reduce the information predefined by the protocol. For example, if the second indication information indicates that a certain frequency unit corresponds to the first filter, and also indicates the transmission direction and the first filtering frequency range, the protocol does not need to predefine the parameters of the first filter pair, making the filtering more flexible.

[0017] In an optional implementation, the first filter frequency range is determined from a plurality of filter frequency ranges; or, the first filter frequency range is set by the terminal device. For example, the protocol predefines a plurality of filter frequency ranges, and the terminal device can select one from them, which is relatively simple for the terminal device to implement. Alternatively, the terminal device can also customize the first filter frequency range, for example, the first filter frequency range can be any frequency range, which is more flexible.

[0018] In an optional implementation, the first frequency combination further includes a fifth frequency unit, and the fifth frequency unit does not correspond to the first indication information and the second indication information, indicating that the fifth frequency unit has no transmission and reception frequency restrictions. For a certain frequency unit in the first frequency combination, if the first indication information does not include the first indication information corresponding to the frequency unit and does not include the second indication information corresponding to the frequency unit, it indicates that the transmission or reception of the terminal device on the frequency unit will not affect other frequency units.

[0019] In a second aspect, a second communication method is provided, which can be executed by a network device, or by other devices including network device functions, or by a chip system (or, chip) or other functional modules, the chip system or functional module can realize the function of the network device, the chip system or functional module is, for example, set in the network device. The network device is, for example, an access network device, for example, one implementation of the access network device is a base station. The method includes: receiving first capability information from a terminal device, the first capability information includes capability information of the terminal device corresponding to a first frequency combination, the first frequency combination includes a first frequency unit and a second frequency unit; wherein the first capability information also includes first indication information and / or second indication information, the first indication information is used to indicate that the terminal device supports non-simultaneous operation of uplink transmission in the first frequency unit and downlink reception in the second frequency unit, the second indication information is used to indicate that the first frequency unit or the second frequency unit supports a first filter, the first filter is used to filter out a first frequency resource, the first frequency resource is a part of the frequency resource in the first frequency unit or the second frequency unit.

[0020] In an optional embodiment, the method also includes: according to the first indication information, when the terminal device is scheduled to perform uplink transmission in the first frequency unit, the terminal device is not scheduled to perform downlink reception in the second frequency unit, or, when the terminal device is scheduled to perform downlink reception in the second frequency unit, the terminal device is not scheduled to perform uplink transmission in the first frequency unit; or, according to the second indication information, when the terminal device is scheduled to perform uplink transmission in the first frequency unit, the terminal device is scheduled to perform uplink transmission in the first frequency resource corresponding to the first frequency unit, or, when the terminal device is scheduled to perform downlink reception in the second frequency unit, the terminal device is scheduled to perform downlink reception in the first frequency resource corresponding to the second frequency unit.

[0021] In an optional implementation, the first capability information includes second capability information, the second capability information includes the first indication information, the second capability information is capability information of a frequency combination level corresponding to the first frequency combination, and the first indication information includes an identifier of the first frequency unit and an identifier of the second frequency unit.

[0022] In an optional embodiment, the first indication information includes first fields corresponding to the first frequency unit and the second frequency unit respectively, the value of the first field corresponding to the first frequency unit is a first value, and the value of the first field corresponding to the second frequency unit is a second value, which is used to indicate that the terminal device supports non-simultaneous uplink transmission of the first frequency unit and non-simultaneous downlink reception of the second frequency unit; or, the first indication information includes first subfields and second subfields corresponding to the first frequency unit and the second frequency unit respectively, the first subfield corresponding to the first frequency unit included in the first indication information exists or takes a first value, and the second subfield corresponding to the second frequency unit included in the first indication information exists or takes the first value, which is used to indicate that the terminal device supports non-simultaneous uplink transmission of the first frequency unit and non-simultaneous downlink reception of the second frequency unit.

[0023] In an optional embodiment, the first indication information includes the first subfield and the second subfield corresponding to the first frequency unit, the second frequency unit, the third frequency unit, and the fourth frequency unit respectively, and the first frequency combination also includes the third frequency unit and the fourth frequency unit. The first indication information is also used to indicate that the terminal device supports non-simultaneous operation of uplink transmission in the third frequency unit and downlink reception in the fourth frequency unit, wherein the value of the first subfield corresponding to the first frequency unit included in the first indication information is a first value, and the value of the second subfield corresponding to the second frequency unit included in the first indication information is the first value, which is used to indicate that the terminal device supports non-simultaneous operation of uplink transmission in the first frequency unit and downlink reception in the second frequency unit; the value of the first subfield corresponding to the third frequency unit included in the first indication information is a second value, and the value of the second subfield corresponding to the fourth frequency unit included in the first indication information is the second value, which is used to indicate that the terminal device supports non-simultaneous operation of uplink transmission in the third frequency unit and downlink reception in the fourth frequency unit.

[0024] In an optional embodiment, the first capability information includes capability information of the first frequency unit in the first frequency combination, the capability information of the first frequency unit in the first frequency combination includes third capability information, the third capability information includes first part information of the first indication information, wherein the third capability information is capability information of the first frequency unit level in the first frequency combination; and, the first capability information also includes capability information of the second frequency unit in the first frequency combination, the capability information of the second frequency unit in the first frequency combination includes sixth capability information, the sixth capability information includes second part information of the first indication information, wherein the sixth capability information is capability information of the second frequency unit level in the first frequency combination.

[0025] In an optional embodiment, the first capability information includes capability information of the first frequency unit in the first frequency combination, the capability information of the first frequency unit in the first frequency combination includes fourth capability information and fifth capability information, the fourth capability information and the fifth capability information include first part information of the first indication information, wherein the fourth capability information is capability information of the uplink level of the first frequency unit in the first frequency combination, and the fifth capability information is capability information of the downlink level of the first frequency unit in the first frequency combination; and, the first capability information also includes capability information of the second frequency unit in the first frequency combination, the capability information of the second frequency unit in the first frequency combination includes seventh capability information and eighth capability information, the seventh capability information and the eighth capability information include second part information of the first indication information, wherein the seventh capability information is capability information of the uplink level of the second frequency unit in the first frequency combination, and the eighth capability information is capability information of the downlink level of the second frequency unit in the first frequency combination.

[0026] In an optional implementation, the second indication information is used to indicate that the first frequency unit or the second frequency unit supports the first filter, including: the second indication information exists or takes a third value, which is used to indicate that the first frequency unit or the second frequency unit supports the first filter.

[0027] In an optional implementation, the second indication information is further used to indicate that an uplink of the first frequency unit supports the first filter, or is used to indicate that a downlink of the second frequency unit supports the first filter.

[0028] In an optional implementation, the second indication information is further used to indicate a first filtering frequency range corresponding to the first filter.

[0029] In an optional implementation, the method further includes: determining a filter corresponding to the first filtering frequency range as the first filter, wherein the first filtering frequency range is one of a plurality of filtering frequency ranges, or the first filtering frequency range is an arbitrary frequency range.

[0030] In an optional implementation, the first frequency combination further includes a fifth frequency unit, and the fifth frequency unit does not correspond to the first indication information and the second indication information, indicating that the fifth frequency unit has no transmission and reception frequency restriction.

[0031] Regarding the technical effects brought about by the second aspect or various optional implementations, reference may be made to the introduction to the technical effects of the first aspect or corresponding implementations.

[0032] In a third aspect, a communication device is provided. The communication device may be a terminal device as described in any one of the first aspect to the second aspect. The communication device has the functions of the terminal device. The communication device is, for example, a terminal device, or a larger device including a terminal device, or a functional module in a terminal device, such as a baseband device or a chip system. In an optional implementation, the communication device includes a baseband device and a radio frequency device. In another optional implementation, the communication device includes a processing unit (sometimes also referred to as a processing module) and a transceiver unit (sometimes also referred to as a transceiver module). The transceiver unit can implement a sending function and a receiving function. When the transceiver unit implements the sending function, it can be referred to as a sending unit (sometimes also referred to as a sending module), and when the transceiver unit implements the receiving function, it can be referred to as a receiving unit (sometimes also referred to as a receiving module). The sending unit and the receiving unit can be the same functional module, which is called a transceiver unit, and the functional module can implement a sending function and a receiving function; or, the sending unit and the receiving unit can be different functional modules, and the transceiver unit is a general term for these functional modules.

[0033] In an optional embodiment, the transceiver unit (or, the sending unit) is used to send first capability information to a network device, the first capability information including capability information of the terminal device corresponding to a first frequency combination, the first frequency combination including a first frequency unit and a second frequency unit; wherein the first capability information also includes first indication information and / or second indication information, the first indication information is used to indicate that the terminal device supports non-simultaneous operation of uplink sending of the first frequency unit and downlink receiving of the second frequency unit, the second indication information is used to indicate that the first frequency unit or the second frequency unit supports a first filter, the first filter is used to filter out a first frequency resource, and the first frequency resource is a partial frequency resource within the first frequency unit or the second frequency unit.

[0034] In an optional embodiment, the communication device also includes a storage unit (sometimes also referred to as a storage module), and the processing unit is used to couple with the storage unit and execute the program or instructions in the storage unit, so that the communication device can perform the functions of the terminal device described in any one of the first to second aspects above.

[0035] In a fourth aspect, a communication device is provided. The communication device may be the network device described in any one of the first to second aspects above. The communication device has the functions of the above network device. The communication device is, for example, a network device, or a larger device including a network device, or a functional module in a network device, such as a baseband device or a chip system. In an optional implementation, the communication device includes a baseband device and a radio frequency device. In another optional implementation, the communication device includes a processing unit (sometimes also referred to as a processing module) and a transceiver unit (sometimes also referred to as a transceiver module). For the implementation of the transceiver unit, reference may be made to the introduction of the fourth aspect.

[0036] In an optional embodiment, the transceiver unit (or, the receiving unit) is used to receive first capability information from a terminal device, the first capability information including capability information of the terminal device corresponding to a first frequency combination, the first frequency combination including a first frequency unit and a second frequency unit; wherein the first capability information also includes first indication information and / or second indication information, the first indication information is used to indicate that the terminal device supports non-simultaneous operation of uplink sending in the first frequency unit and downlink receiving in the second frequency unit, the second indication information is used to indicate that the first frequency unit or the second frequency unit supports a first filter, the first filter is used to filter out a first frequency resource, and the first frequency resource is a partial frequency resource within the first frequency unit or the second frequency unit.

[0037] In an optional embodiment, the communication device also includes a storage unit (sometimes also referred to as a storage module), and the processing unit is used to couple with the storage unit and execute the program or instructions in the storage unit, so that the communication device can perform the functions of the network device described in any one of the first to second aspects above.

[0038] In a fifth aspect, a communication device is provided, which may be a terminal device, or a chip or chip system used in a terminal device. The communication device includes a communication interface and a processor, and optionally, a memory. The memory is used to store a computer program, and the processor is coupled to the memory and the communication interface. When the processor reads the computer program or instruction, the communication device executes the method executed by the terminal device in the above aspects.

[0039] In a sixth aspect, a communication device is provided, which may be a network device, or a chip or chip system used in a network device. The communication device includes a communication interface and a processor, and optionally, a memory. The memory is used to store a computer program, and the processor is coupled to the memory and the communication interface. When the processor reads the computer program or instruction, the communication device executes the method executed by the network device in the above aspects.

[0040] In a seventh aspect, a communication system is provided, comprising a terminal device and a network device, wherein the terminal device is used to execute the method executed by the terminal device as described in the above aspects, and the network device is used to execute the method executed by the network device as described in the above aspects. For example, the terminal device can be implemented by the communication device described in the third aspect or the fifth aspect; the first network device can be implemented by the communication device described in the fourth aspect or the sixth aspect.

[0041] In an eighth aspect, a computer-readable storage medium is provided, wherein the computer-readable storage medium is used to store computer programs or instructions, and when the computer-readable storage medium is executed, the methods executed by the terminal device or network device in the above aspects are implemented.

[0042] According to a ninth aspect, a computer program product comprising instructions is provided, which, when executed on a computer, enables the methods described in the above aspects to be implemented.

[0043] In a tenth aspect, a chip system is provided, comprising a processor and an interface, wherein the processor is used to call and execute instructions from the interface so that the chip system implements the above-mentioned methods. BRIEF DESCRIPTION OF THE DRAWINGS

[0044] Figure 1 A schematic diagram of a network architecture used in an embodiment of the present application;

[0045] Figure 2 A flow chart of a communication method provided in an embodiment of the present application;

[0046] Figure 3 A schematic diagram of the structure of the capability information of the UE in an embodiment of the present application;

[0047] Figure 4A A schematic diagram of using a filter for a frequency unit with overlapping frequency bands in an embodiment of the present application;

[0048] Figure 4B A schematic diagram of using a filter for a frequency unit with interference in an embodiment of the present application;

[0049] Figure 5 A schematic diagram of a device provided in an embodiment of the present application;

[0050] Figure 6 A schematic diagram of another device provided in an embodiment of the present application. DETAILED DESCRIPTION

[0051] In order to make the purpose, technical solutions and advantages of the embodiments of the present application clearer, the embodiments of the present application will be further described in detail below with reference to the accompanying drawings.

[0052] In the embodiments of the present application, the number of nouns, unless otherwise specified, means "singular noun or plural noun", that is, "one or more". "At least one" means one or more, and "plural" means two or more. "And / or" describes the association relationship of associated objects, indicating that three relationships may exist. For example, A and / or B can mean: A exists alone, A and B exist at the same time, and B exists alone, where A and B can be singular or plural. The character " / " generally indicates that the previous and next associated objects are in an "or" relationship. For example, A / B means: A or B. "At least one of the following" or similar expressions refers to any combination of these items, including any combination of single or plural items. For example, at least one of a, b, or c means: a, b, c, a and b, a and c, b and c, or a and b and c, where a, b, c can be single or multiple.

[0053] The ordinal numbers such as "first" and "second" mentioned in the embodiments of the present application are used to distinguish multiple objects, and are not used to limit the size, content, order, timing, priority or importance of multiple objects. For example, the first indication information and the second indication information can be the same indication information or different indication information, and this name does not indicate the difference in the sending end / receiving end, content, application scenario, priority or importance of the two indication information. In addition, the numbering of the steps in the various embodiments introduced in the present application is only to distinguish different steps, and is not used to limit the order of the steps. For example, S201 may occur before S202, or may occur after S202, or may occur at the same time as S202.

[0054] Below, some terms or concepts in the embodiments of the present application are explained to facilitate understanding by those skilled in the art.

[0055] In the embodiment of the present application, the terminal device is a device with wireless transceiver function, which can be a fixed device, a mobile device, a handheld device (such as a mobile phone), a wearable device, a vehicle-mounted device, or a wireless device built into the above device (for example, a communication module, a modem, or a chip system, etc.). The terminal device is used to connect people, objects, machines, etc., and can be widely used in various scenarios, such as but not limited to the following scenarios: perception scenarios, cellular communications, device-to-device communications (device-to-device, D2D), vehicle to everything (vehicle to everything, V2X), machine-to-machine / machine-type communications (machine-to-machine / machine-type communications, M2M / MTC), Internet of Things (Internet of Things, IoT), virtual reality (virtual reality, VR), augmented reality (augmented reality, AR), industrial control (industrial control), self-driving, remote medical, smart grid (smart grid), smart furniture, smart office, smart wear, smart transportation, smart city (smart city), drones, robots and other scenarios of terminal devices. The terminal device may sometimes be referred to as user equipment (UE), terminal, access station, UE station, remote station, wireless communication device, or user device, etc.

[0056] In the embodiment of the present application, the communication device for implementing the function of the terminal device may be a terminal device, or may be a device capable of supporting the terminal device to implement the function, such as a chip system, which may be installed in the terminal device. In the technical solution provided in the embodiment of the present application, the technical solution provided in the embodiment of the present application is described by taking the device for implementing the function of the terminal device as an example, and the terminal device is used as an example. In addition, for the convenience of description, the terminal device is described in the embodiment of the present application by taking the UE as an example.

[0057] The network equipment in the embodiment of the present application, for example, includes access network equipment, and / or core network equipment. The access network equipment is a device with wireless transceiver function, which is used to communicate with the terminal device. The access network equipment includes but is not limited to base stations (base transceiver station (BTS), Node B, evolved node B (eNodeB) / eNB, or next generation node B (gNodeB) / gNB), transceiver points (transmission reception point, TRP), base stations of subsequent evolution of the third generation partnership project (3rd generation partnership project, 3GPP), access nodes in wireless fidelity (Wi-Fi) systems, wireless relay nodes, wireless backhaul nodes, etc. The base station can be: a macro base station, a micro base station, a micro-micro base station, a small station, a relay station, etc. Multiple base stations can support networks with the same access technology, or networks with different access technologies. The base station can include one or more co-station or non-co-station transmission and receiving points. The access network device may also be a wireless controller, a centralized unit (CU), and / or a distributed unit (DU) in a cloud radio access network (CRAN) scenario. The access network device may also be a server, etc. For example, the network device in the V2X technology may be a road side unit (RSU). The following describes the access network device using a base station as an example. The base station can communicate with a terminal device, or it can communicate with the terminal device through a relay station. The terminal device can communicate with multiple base stations in different access technologies. The core network device is used to implement functions such as mobility management, data processing, session management, policy and billing. The names of the devices that implement core network functions in systems with different access technologies may be different, and the embodiments of the present application do not limit this. Taking the fifth generation mobile communication technology (5G) system as an example, the core network equipment includes: access and mobility management function (AMF), session management function (SMF), policy control function (PCF) or user plane function (UPF), etc.

[0058] In the embodiment of the present application, the communication device for realizing the function of the network device may be a network device, or may be a device capable of supporting the network device to realize the function, such as a chip system, which may be installed in the network device. In the technical solution provided in the embodiment of the present application, the technical solution provided in the embodiment of the present application is described by taking the device for realizing the function of the network device as an example that the network device is used as the device.

[0059] The UE can support one or more frequency band combinations, and the frequency band combination consists of one or more frequency bands. A frequency band may include one or more carriers. When the UE works on multiple carriers to communicate with network equipment, it is called carrier aggregation or. For example, CA_n5-n7 represents a frequency band combination including NR band n5 and NR band n7. Specifically, the network equipment configures at least one uplink carrier and at least one downlink carrier in each frequency band of band n5 and band n7, which are used for uplink transmission and downlink reception of each frequency band respectively.

[0060] Among them, CA_n5-n8 is a special frequency band combination. There is an overlapping frequency band (880MHz~894MHz) between the downlink frequency band of frequency band n5 (869MHz~894MHz) and the uplink frequency band of frequency band n8 (880MHz~915MHz). At present, for other frequency band combinations that include overlapping frequency bands, there will be protection bands of varying sizes to solve the overlapping problem. When operators have the need to deploy CA_n5-n8, considering the evolution of future spectrum division, in theory, UE is required to have the ability to transmit and receive at the same frequency in the overlapping frequency band (880MHz~894MHz), but this is not yet possible for existing UEs, so network equipment is required to try not to schedule UE to transmit and receive at the same frequency in the overlapping frequency band when scheduling UE. However, currently the network equipment does not know which frequency band combinations supported by the UE have overlapping frequency bands. For example, even if the network equipment knows that the UE supports CA_n5-n8, it does not know that there are overlapping frequency bands within CA_n5-n8, or does not know that CA_n5-n8 is not configured with a protection band. Therefore, the network equipment cannot correctly schedule the UE.

[0061] In view of this, the UE in the embodiment of the present application can send the first capability information to the network device. Through the indication of the first capability information, the network device can clearly know that the UE supports the non-simultaneous operation of the uplink transmission of the first frequency unit and the downlink reception of the second frequency unit in the first frequency combination, so that the network device can schedule the UE accordingly, for example, scheduling the UE to work non-simultaneously in the uplink frequency band of the first frequency unit and the downlink frequency band of the second frequency unit, thereby improving the scheduling accuracy of the network device for the UE, allowing the UE to work normally according to the scheduling of the network device, and also ensuring the transmission quality of the UE.

[0062] The technical solution provided in the embodiment of the present application can be applied to the fourth generation mobile communication technology (the 4th generation, 4G) system, such as the long term evolution (long term evolution, LTE) system, or can be applied to the 5G system, such as the NR system, or can also be applied to the next generation mobile communication system or other similar communication systems, such as the sixth generation mobile communication technology (the 6th generation, 6G) system, etc., without specific limitation. In addition, the technical solution provided in the embodiment of the present application can be applied to D2D scenarios, such as NR-D2D scenarios, etc., or can be applied to V2X scenarios, such as NR-V2X scenarios, etc. For example, it can be used in the fields of factory manufacturing, whole house intelligence, intelligent driving, assisted driving, or intelligent networked vehicles.

[0063] For reference Figure 1 , which is a communication network architecture applicable to the embodiments of the present application. Figure 1 The UE and the network device are included, and the UE is within the coverage of the network device. The network device is, for example, an access network device, such as a base station. The network device is, for example, an overall architecture, or may be a distributed architecture, such as including gNB-CU and gNB-DU, etc., without limitation.

[0064] In order to better introduce the embodiments of the present application, the method provided by the embodiments of the present application is described below in conjunction with the accompanying drawings. In various embodiments of the present application, a frequency unit is, for example, a frequency band, or a carrier, or a subcarrier, or a bandwidth part (BWP), or a resource block (RB) set, etc. Optionally, the frequency unit in various embodiments of the present application can also be understood as a frequency unit entry. For example, if the frequency unit is a frequency band, the frequency band described in various embodiments of the present application can be understood as a frequency band entry, wherein a frequency band can correspond to one or more frequency band entries. For example, a frequency band includes multiple continuous uplink carriers or multiple continuous downlink carriers, and these multiple continuous uplink carriers or multiple continuous downlink carriers can uniformly correspond to an entry of the frequency band; for another example, a frequency band includes a non-continuous uplink carrier or a non-continuous downlink carrier, then each non-continuous part of the non-continuous uplink carrier or each non-continuous part of the non-continuous downlink carrier corresponds to an entry of the frequency band, and different non-continuous parts correspond to different entries of the frequency band. Among them, a non-continuous part includes one or more continuous carriers. A frequency combination may also be called a frequency unit combination. A frequency combination may include one or more frequency units. For example, if the frequency unit is a frequency band, the frequency combination is a frequency band combination. In addition, a frequency unit may include one or more sub-frequency units. For example, if the frequency unit is a frequency band, the sub-frequency unit may be, for example, a carrier, subcarrier, BWP or RB set within the frequency band.

[0065] Unless otherwise specified in the following text, the steps indicated by dashed lines in the accompanying drawings corresponding to the various embodiments of the present application are all optional steps. The methods provided in the various embodiments of the present application can be applied to Figure 1 The network architecture shown, for example, the UE involved in each embodiment of the present application may be Figure 1 UE in; the network device described in each embodiment of the present application may be Figure 1 Network devices in.

[0066] This application embodiment provides a communication method, see Figure 2 , which is a flow chart of the method.

[0067] S201. A UE sends first capability information to a network device. Correspondingly, the network device receives the first capability information from the UE.

[0068] The first capability information is included in, for example, a UE capability information message, or may also be included in other messages. Optionally, before S201, the network device may send a first message to the UE, the first message may request the capability of the UE, and the first message may be, for example, a UE capability enquiry message. After receiving the first message, the UE may execute S201.

[0069] The UE supports one or more frequency combinations, or the UE is configured with one or more frequency combinations, and the one or more frequency combinations may include a first frequency combination. The first frequency combination includes a first frequency unit and a second frequency unit. In addition, the first frequency combination may not include other frequency units, or the first frequency combination may also include at least one other frequency unit, which is not limited. The first frequency unit may include one or more frequency units, and the second frequency unit may include one or more frequency units. The first capability information, for example, includes capability information of the UE corresponding to the one or more frequency combinations, and the capability information of the UE corresponding to the one or more frequency combinations includes capability information of the UE corresponding to the first frequency combination. The capability information of the UE corresponding to the first frequency combination included in the first capability information is mainly introduced as follows. The first frequency combination is, for example, a frequency combination in which the UE cannot support simultaneous transmission and reception of some or all of the frequency units therein. For example, the frequency domain resources of at least two frequency units in the first frequency combination have an overlapping area (or called an overlapping frequency band); for another example, when the UE simultaneously performs uplink transmission in a certain frequency unit in the first frequency combination and performs downlink reception in another frequency unit, the transmission process interferes with the reception process. For example, if two frequency units in the first frequency combination are adjacent in the frequency domain, or the interval in the frequency domain is small (for example, less than a threshold value A, where the threshold value A is, for example, 10 MHz, or other values), the UE simultaneously transmits in one of the two frequency units and receives in the other frequency unit, and the transmission process may interfere with the reception process. Alternatively, the first frequency combination may also be other types of frequency combinations, as long as the frequency combination in which the UE cannot support simultaneous transmission and reception in some or all of the frequency units can be used as the first frequency combination. Take the frequency combination being a frequency band combination as an example, for example, the first frequency combination is CA_n5-n8, in which the downlink of frequency band n5 and the uplink of frequency band n8 have overlapping frequency bands. For another example, the first frequency combination may also be a frequency combination with overlapping frequency bands that may be proposed in the future, such as CA_n5-n8-nX, wherein the downlink of frequency band n5 and the uplink of frequency band n8 and the uplink of frequency band nX have overlapping frequency bands; for another example, the first frequency combination may be CA_n5-n8-nX-nY, wherein the downlink of frequency band n5 and the uplink of frequency band n8 have overlapping frequency bands, and wherein the downlink of frequency band nX and the uplink of frequency band nY have overlapping frequency bands.

[0070] Please refer to Figure 3 , is a schematic diagram of a structure of the capability information of the UE, Figure 3 Take the frequency unit as a frequency band and the frequency combination as a frequency band combination as an example. Figure 3The "frequency band combination supported by the UE" in the UE may indicate the capability information of the UE corresponding to a certain frequency band combination supported by the UE, for example, the capability information of the UE corresponding to the first frequency band combination (the first frequency band combination is an example of the first frequency combination). If the first capability information includes the capability information of the UE corresponding to one or more frequency units in addition to the capability information of the UE corresponding to the one or more frequency combinations, then Figure 3 It can be regarded as a structure of the first capability information. Alternatively, the capability information of the UE includes ninth capability information in addition to the first capability information, and the ninth capability information includes capability information of the UE corresponding to one or more frequency units. Figure 3 It can be regarded as a structure of the first capability information and the ninth capability information. In this case, the first capability information includes Figure 3 The information in the "frequency band combination supported by UE" shown in the figure, the ninth capability information includes Figure 3 The information in the “frequency bands supported by the UE” is shown. The one or more frequency units are frequency units supported by the UE, or are frequency units configured by the UE.

[0071] according to Figure 3It can be known that the capability information of the UE corresponding to a certain band combination may include capability information at the band combination level and capability information of each band in the band combination. The capability information of each band in the band combination may include capability information at the band level in the band combination (e.g. capability information corresponding to the field band parameter (BandParameters)), capability information of the uplink of the band (e.g. capability information corresponding to the field feature set uplink (FeatureSetUplink)) and capability information of the downlink of the band (e.g. capability information corresponding to the field feature set downlink (FeatureSetDownlink)). Among them, the capability information at the band level in the band combination is independent of the uplink and downlink, or it can be understood that the capability information at the band level in the band combination can be applicable to both the uplink and downlink of the band. The uplink capability information of the band may include capability information at the uplink level of the band and the uplink capability of multiple consecutive uplink carrier components (CC); the downlink capability information of the band may include capability information at the downlink level of the band and the downlink capability of multiple consecutive downlink carrier components. Among them, a frequency band may include one or more carriers. In the case of including multiple carriers, these multiple carriers may be non-continuous in the frequency domain, or some or all of these multiple carriers may be continuous carriers in the frequency domain. Then the uplink capability information of the frequency band may include the uplink capability of multiple continuous uplink carriers (for example, the capability information corresponding to the field feature set uplink per CC (FeatureSetUplinkPerCC)), and the downlink capability information of the frequency band may include the uplink capability of multiple continuous downlink carriers (for example, the capability information corresponding to the field feature set downlink per CC (FeatureSetDownlinkPerCC)). In addition, the uplink level capability information of the frequency band has nothing to do with whether the uplink carrier is continuous or non-continuous, or it is understood that the uplink level capability information of the frequency band is applicable to the uplink of the frequency band, regardless of whether the uplink continuous carrier or the uplink non-continuous carrier; the downlink level capability information of the frequency band has nothing to do with whether the downlink carrier is continuous or non-continuous, or it is understood that the downlink level capability information of the frequency band is applicable to the downlink of the frequency band, regardless of whether the downlink carrier is continuous or non-continuous.

[0072] The first capability information may also include first indication information and / or second indication information. The first indication information and / or the second indication information are, for example, included in the capability information of the UE corresponding to the first frequency combination. The first indication information is introduced first. The first indication information may indicate that the UE supports non-simultaneous uplink transmission and downlink reception of the second frequency unit in the first frequency combination, or indicates that the UE supports simultaneous uplink transmission and downlink reception of the first frequency unit not in the first frequency combination, or indicates that the UE does not support simultaneous uplink transmission and downlink reception of the first frequency unit in the first frequency combination, or indicates that the UE does not support simultaneous uplink transmission in the first frequency unit and downlink reception in the second frequency unit in the first frequency combination, or indicates that the UE supports non-simultaneous uplink transmission in the first frequency unit and downlink reception in the second frequency unit in the first frequency combination, or indicates that the UE supports non-simultaneous uplink transmission and downlink reception in the first frequency unit in the first frequency combination, or indicates that the UE supports non-simultaneous uplink transmission and downlink reception in the second frequency unit in the first frequency combination, or indicates that the UE supports non-simultaneous uplink transmission and downlink reception in the second frequency unit in the first frequency combination, or indicates that the UE supports non-simultaneous operation of the first uplink frequency unit and the second downlink frequency unit in the first frequency combination, or indicates that the UE supports simultaneous operation of the first uplink frequency unit and the second downlink frequency unit not in the first frequency combination, or indicates that the UE does not support simultaneous operation of the first uplink frequency unit and the second downlink frequency unit in the first frequency combination. It can be understood that when the UE works in the first frequency combination, when the UE performs uplink transmission in the first frequency unit, it cannot perform downlink reception in the second frequency unit; when the UE performs downlink reception in the second frequency unit, it cannot perform uplink transmission in the first frequency unit.

[0073] Alternatively, the "frequency unit" in the content indicated by the first indication information as above may be replaced with "sub-frequency unit", and the content indicated by the first indication information is also applicable. Among them, the replaced feature "first sub-frequency unit" may be a sub-frequency unit included in the first frequency unit, and the "second sub-frequency unit" may be a sub-frequency unit included in the second frequency unit. The first sub-frequency unit may include one or more sub-frequency units, and the second sub-frequency unit may include one or more sub-frequency units. It can be understood that when the UE operates in the first frequency combination, when the first sub-frequency unit in the first frequency unit of the UE performs uplink transmission, the second sub-frequency unit in the second frequency unit cannot perform downlink reception; when the second sub-frequency unit in the second frequency unit of the UE performs downlink reception, the first sub-frequency unit in the first frequency unit cannot perform uplink transmission.

[0074] The above indication contents of the first indication information may be replaced with each other.

[0075] In the first capability information, the first indication information may be distributed in a variety of ways, as described below with examples.

[0076] As a first optional distribution method of the first indication information, the first indication information is included in the second capability information in the first capability information. The first capability information includes the second capability information, and the second capability information includes capability information of the frequency combination level corresponding to the first frequency combination. For example, the second capability information is capability information of the frequency combination level corresponding to the first frequency combination. Figure 3 For example, the second capability information may include Figure 3 The "band combination level capability" information shown. Optionally, in the first distribution mode, the first indication information may include an identifier of the first frequency unit and an identifier of the second frequency unit, or it can be understood that the first indication information may include one or more pairs of identifiers of "uplink and downlink pairs that cannot be sent and received simultaneously". The uplink and downlink pairs that cannot be sent and received simultaneously (hereinafter referred to as uplink and downlink pairs) include frequency units that the UE does not support simultaneous operation. For example, the first frequency unit and the second frequency unit belong to a pair of uplink and downlink pairs that cannot be sent and received simultaneously. Among them, the first indication information specifically indicates that the first frequency unit corresponds to the non-simultaneous operation of the uplink transmission and the downlink reception of the second frequency unit, and the second frequency unit corresponds to the non-simultaneous operation of the downlink reception and the uplink transmission of the first frequency unit. Among them, the identifier of the frequency unit is, for example, a frequency number, such as a frequency band indicator NR (FreqBandIndicatorNR). Among them, a pair of uplink and downlink pairs may include one or more uplink frequency units, and one or more downlink frequency units, and the number of uplink frequency units and downlink frequency units is equal or unequal. In a pair of uplink and downlink pairs, it can be considered that the UE does not support the simultaneous operation of each uplink frequency unit in the uplink and downlink pair and any downlink frequency unit in the uplink and downlink pair, or it can be considered that the UE does not support the simultaneous operation of each downlink frequency unit in the uplink and downlink pair and any uplink frequency unit in the uplink and downlink pair. For example, an uplink and downlink pair includes uplink frequency unit 1, uplink frequency unit 2, downlink frequency unit 1 and downlink frequency unit 2, which means that the UE does not support the simultaneous operation of uplink frequency unit 1 and downlink frequency unit 1, does not support the simultaneous operation of uplink frequency unit 2 and downlink frequency unit 1, does not support the simultaneous operation of uplink frequency unit 1 and downlink frequency unit 2, and does not support the simultaneous operation of uplink frequency unit 1 and downlink frequency unit 2. Among them, the uplink frequency unit means that the UE cannot perform downlink reception in other frequency units when the frequency unit performs uplink transmission, for example, the first frequency unit can be regarded as an uplink frequency unit; the downlink frequency unit means that the UE cannot perform uplink transmission in other frequency units when the frequency unit performs downlink reception, for example, the second frequency unit can be regarded as a downlink frequency unit.

[0077] If the first indication information includes multiple uplink and downlink pairs, then optionally, the first indication information may include multiple sets, one of which includes frequency band identifiers corresponding to a pair of uplink and downlink pairs. The network device can determine which frequency units belong to the same uplink and downlink pair based on different sets.

[0078] As a second optional distribution method of the first indication information, the third capability information in the first capability information includes the first part of the information of the first indication information, and the sixth capability information in the first capability information includes the second part of the information of the first indication information. The first part of the information and the first part of the information may be all or part of the information included in the first indication information. For example, the first capability information includes the capability information of each frequency unit in the first frequency combination, the capability information of each frequency unit in the first frequency combination includes the capability information of the first frequency unit in the first frequency combination, and the capability information of the first frequency unit in the first frequency combination includes the third capability information. The third capability information may include the capability information of the first frequency unit level in the first frequency combination, for example, the third capability information is the capability information of the first frequency unit level in the first frequency combination. In addition, the capability information of each frequency unit in the first frequency combination also includes the capability information of the second frequency unit in the first frequency combination, and the capability information of the second frequency unit in the first frequency combination includes the sixth capability information. The sixth capability information may include the capability information of the second frequency unit level in the first frequency combination, for example, the sixth capability information is the capability information of the second frequency unit level in the first frequency combination. With the first frequency combination as the first frequency band combination and with Figure 3 For example, the third capability information or the sixth capability information may include Figure 3 The “capability of the frequency band level in the frequency band combination” information shown; the capability information of the first frequency unit in the first frequency combination included in the first capability information, or the capability information of the second frequency unit in the first frequency combination included in the first capability information, may belong to Figure 3 The “capability of each band in the band combination” information is shown.

[0079] Optionally, in the second distribution mode, the first indication information may include one or more first fields, each of which may correspond to a frequency unit in the first frequency combination (for example, the third capability information described in the previous paragraph includes the first part of the first indication information, which may specifically include the first field corresponding to the first frequency unit; and the sixth capability information includes the second part of the first indication information, which may specifically include the first field corresponding to the second frequency unit), and the value of the first field may indicate that the UE does not support the frequency unit for simultaneous transmission and reception. Among them, the first value of the first field may indicate that the UE supports non-simultaneous operation in the uplink of the corresponding frequency unit and the downlink of other frequency units, and the second value of the first field may indicate that the UE supports non-simultaneous operation in the downlink of the corresponding frequency unit and the uplink of other frequency units. For example, if the first indication information includes a first value for the value of the first field corresponding to a certain frequency unit, it may indicate that the UE does not support simultaneous operation in the uplink of the frequency unit and the downlink of other frequency units; and if the first indication information includes a second value for the value of the first field corresponding to a certain frequency unit, it may indicate that the UE does not support simultaneous operation in the downlink of the frequency unit and the uplink of other frequency units. That is, the value of the first field can indicate that the UE does not support the transmission direction of the frequency unit that works simultaneously, that is, the UE does not support working simultaneously with other frequency units in the transmission direction of the frequency unit. For example, the first field occupies one or more bits, the first value is, for example, "1" or "true", and the second value is, for example, "0" or "false". Since the frequency units that the UE does not support working simultaneously will correspond to the first field, the network device can determine which transmission directions of which frequency units the UE does not support working simultaneously in combination with the first field included in the first indication information. For example, the first indication information includes a first field corresponding to the first frequency unit, and includes a first field corresponding to the second frequency unit, the value of the first field corresponding to the first frequency unit is the first value, and the value of the first field corresponding to the second frequency unit is the second value, then the two first fields can indicate that the UE does not support uplink transmission in the first frequency unit and downlink reception in the second frequency unit working simultaneously, and the network device can determine based on the two first fields that the UE does not support uplink transmission in the first frequency unit and downlink reception in the second frequency unit working simultaneously. Among them, if the first indication information does not include the first field corresponding to a frequency unit in the first frequency combination, it can be considered that the frequency unit has no transmission or reception restrictions, or that the sending or receiving of the frequency unit will not affect the receiving or sending of other frequency units in the first frequency combination.

[0080] Alternatively, in the second distribution mode, the first indication information may include one or more first subfields and one or more second subfields, wherein each first subfield may correspond to a frequency unit in the first frequency combination, and each second subfield may also correspond to a frequency unit in the first frequency combination. For example, the third capability information mentioned above includes the first part of the information of the first indication information, which may specifically include the first subfield or the second subfield corresponding to the first frequency unit; the sixth capability information includes the second part of the information of the first indication information, which may specifically include the first subfield or the second subfield corresponding to the second frequency unit. In an optional manner, a frequency unit in the first frequency combination will only correspond to one of the first subfield or the second subfield, but not to both subfields at the same time. For example, if the first frequency combination only includes one uplink and downlink pair, this optional manner can be adopted. Among them, if the first indication information includes a first subfield corresponding to a certain frequency unit (or, the first subfield corresponding to a certain frequency unit exists in the first indication information), or the value of the first subfield corresponding to a certain frequency unit included in the first indication information is the first value, it can be indicated that the UE does not support the uplink of the frequency unit and the downlink of other frequency units to work simultaneously, and at this time, the frequency unit may not correspond to the second subfield (the first indication information does not include the second subfield corresponding to the frequency unit); if the first indication information includes a second subfield corresponding to a certain frequency unit (or, the second subfield corresponding to a certain frequency unit exists in the first indication information), or the value of the second subfield corresponding to a certain frequency unit included in the first indication information is the first value, it can be indicated that the UE does not support the downlink of the frequency unit and the uplink of other frequency units to work simultaneously, and at this time, the frequency unit may not correspond to the first subfield (the first indication information does not include the first subfield corresponding to the frequency unit). That is, the first subfield and the second subfield can indicate that the UE does not support the transmission direction of the frequency unit that works simultaneously, that is, the UE does not support working simultaneously with other frequency units in the transmission direction of the frequency unit. For example, the first subfield and the second subfield may each occupy one or more bits, and the first value may be, for example, "1" or "true". Since the frequency units that the UE does not support simultaneous operation correspond to the first subfield and the second subfield, respectively, the network device can determine which transmission directions of which frequency units the UE does not support simultaneous operation in combination with the first subfield and the second subfield included in the first indication information.For example, the first indication information includes a first subfield corresponding to a first frequency unit (i.e., the first subfield corresponding to the first frequency unit exists in the first indication information), and includes a second subfield corresponding to a second frequency unit (i.e., the second subfield corresponding to the second frequency unit exists in the first indication information), then the first subfield and the second subfield can indicate that the UE does not support uplink transmission in the first frequency unit and downlink reception in the second frequency unit at the same time, and the network device can determine based on these two subfields that the UE does not support uplink transmission in the first frequency unit and downlink reception in the second frequency unit at the same time. Among them, if the first indication information does not include the first subfield corresponding to a certain frequency unit in the first frequency combination and does not include the second subfield corresponding to the frequency unit, it can be considered that the frequency unit has no transmission and reception restrictions, or that the transmission or reception of the frequency unit will not affect the reception or transmission of other frequency units in the first frequency combination.

[0081] The above example of the second distribution method is more suitable for the case where the first frequency combination includes only one pair of uplink and downlink pairs. If the first frequency combination includes multiple pairs of uplink and downlink pairs, the following method can be used. In this implementation method, the first indication information can still include one or more first subfields, and one or more second subfields, each of which can correspond to a frequency unit in the first frequency combination, and each second subfield can also correspond to a frequency unit in the first frequency combination. The content indicated by the first subfield and the second subfield can also refer to the previous paragraph. The difference is that in this implementation method, different uplink and downlink pairs can be distinguished by different values ​​of the first subfield and the second subfield. For example, if the value of the first subfield corresponding to a certain frequency unit included in the first indication information is the same as the value of the second subfield corresponding to another frequency unit, it indicates that the two frequency units belong to the same uplink and downlink pair. For example, the first frequency combination includes two pairs of uplink and downlink pairs, one of which includes a first frequency unit and a second frequency unit, and the other includes a third frequency unit and a fourth frequency unit. The UE does not support the uplink transmission of the third frequency unit and the downlink reception of the fourth frequency unit at the same time. The first indication information may include a first subfield corresponding to the first frequency unit, a second subfield corresponding to the second frequency unit, a first subfield corresponding to the third frequency unit, and a second subfield corresponding to the fourth frequency unit. The values ​​of the first subfield corresponding to the first frequency unit and the second subfield corresponding to the second frequency unit are both the first value, which may indicate that the UE does not support the uplink transmission of the first frequency unit and the downlink reception of the second frequency unit at the same time; the values ​​of the first subfield corresponding to the third frequency unit and the second subfield corresponding to the fourth frequency unit are both the second value, which may indicate that the UE does not support the uplink transmission of the third frequency unit and the downlink reception of the fourth frequency unit at the same time. The network device can determine based on the values ​​of these first subfields that the UE does not support the uplink transmission of the first frequency unit and the downlink reception of the second frequency unit at the same time, and does not support the uplink transmission of the third frequency unit and the downlink reception of the fourth frequency unit at the same time. If the first frequency combination also includes more uplink and downlink pairs, the first subfield and the second subfield can also take the third value, the fourth value, etc., without restriction. Among them, the first value, the second value, the third value, the fourth value, etc. can all be integers greater than or equal to 0, and there is no restriction on the size relationship between these values, as long as they are not equal. Among them, if the first indication information does not include the first subfield corresponding to a frequency unit in the first frequency combination and does not include the second subfield corresponding to the frequency unit, it can be considered that the frequency unit has no transmission or reception restrictions, or that the sending or receiving of the frequency unit will not affect the reception or sending of other frequency units in the first frequency combination.

[0082] In addition, in the implementation described in the previous paragraph, a frequency unit may correspond to only one of the first subfield or the second subfield. For example, a frequency unit 1 includes an uplink carrier and a downlink carrier, and the UE may not support the uplink transmission of the uplink carrier and the downlink reception of the frequency unit 2 to work simultaneously, then the frequency unit 1 will correspond to the first subfield; for the downlink carrier included in the frequency unit 1, the UE has no transmission and reception restrictions, so the frequency unit 1 does not correspond to the second subfield. Alternatively, a frequency unit may correspond to both the first subfield and the second subfield. For example, a frequency unit 1 includes an uplink carrier and a downlink carrier, and the UE may not support the uplink transmission of the uplink carrier and the downlink reception of the frequency unit 2 to work simultaneously, then the frequency unit 1 will correspond to the first subfield; in addition, the UE may also not support the downlink reception and transmission of the downlink carrier and the uplink transmission of the frequency unit 3 to work simultaneously, then the frequency unit 1 will also correspond to the second subfield.

[0083] As a third optional distribution mode of the first indication information, the first capability information includes fourth capability information, fifth capability information, seventh capability information and eighth capability information, the fourth capability information and the fifth capability information may include the first part of the information of the first indication information, and the seventh capability information and the eighth capability information may include the second part of the information of the first indication information. The first part of the information and the first part of the information may be all or part of the information included in the first indication information. In addition, the first part of the capability information here may be the same as or different from the first part of the capability information introduced in the second distribution mode of the first indication information; the second part of the capability information here may be the same as or different from the second part of the capability information introduced in the second distribution mode of the first indication information. For example, the first capability information includes the capability information of each frequency unit in the first frequency combination, the capability information of each frequency unit in the first frequency combination includes the capability information of the first frequency unit in the first frequency combination, and the capability information of the first frequency unit in the first frequency combination includes the fourth capability information and the fifth capability information. For example, the capability information of the first frequency unit in the first frequency combination includes the uplink capability information of the first frequency unit in the first frequency combination, and the uplink capability information of the first frequency unit in the first frequency combination includes the fourth capability information, for example, the fourth capability information is the uplink level capability information of the first frequency unit in the first frequency combination; the capability information of the first frequency unit in the first frequency combination includes the downlink capability information of the first frequency unit in the first frequency combination, and the downlink capability information of the first frequency unit in the first frequency combination includes the fifth capability information, for example, the fifth capability information is the downlink level capability information of the first frequency unit in the first frequency combination. In addition, the capability information of each frequency unit in the first frequency combination also includes the capability information of the second frequency unit in the first frequency combination, and the capability information of the second frequency unit in the first frequency combination includes the seventh capability information and the eighth capability information. For example, the capability information of the second frequency unit in the first frequency combination includes the uplink capability information of the second frequency unit in the first frequency combination, and the uplink capability information of the second frequency unit in the first frequency combination includes the seventh capability information, for example, the seventh capability information is the uplink capability information of the second frequency unit in the first frequency combination; the capability information of the second frequency unit in the first frequency combination includes the downlink capability information of the second frequency unit in the first frequency combination, and the downlink capability information of the second frequency unit in the first frequency combination includes the eighth capability information, for example, the eighth capability information is the downlink capability information of the second frequency unit in the first frequency combination. Figure 3 For example, the fourth capability information or the seventh capability information may include Figure 3 The fifth capability information or the eighth capability information may include the "band uplink level capability" information shown in FIG. Figure 3The "Band Downstream Level Capability" information is shown.

[0084] Optionally, in the third distribution mode, the first indication information may include one or more first fields, each of which may correspond to a frequency unit in the first frequency combination, and the value of the first field may indicate that the UE does not support the frequency unit for simultaneous transmission and reception. For example, the fourth capability information and the fifth capability information described in the previous paragraph include the first part of the information of the first indication information, specifically, the fourth capability information includes the first field corresponding to the uplink of the first frequency unit, or the fifth capability information includes the first field corresponding to the downlink of the first frequency unit; the seventh capability information and the eighth capability information include the second part of the information of the first indication information, specifically, the seventh capability information includes the first field corresponding to the uplink of the second frequency unit, or the eighth capability information includes the first field corresponding to the downlink of the second frequency unit. In an optional manner, for a frequency unit in the first frequency combination (for example, the first frequency unit), the first field corresponding to the frequency unit will only be included in one of the fourth capability information and the fifth capability information, but will not be included in both capability information at the same time; similarly, for another frequency unit in the first frequency combination (for example, the second frequency unit), the first field corresponding to the frequency unit will only be included in one of the seventh capability information and the eighth capability information, but will not be included in both capability information at the same time. For example, if the first frequency combination includes only one uplink and downlink pair, this optional manner can be used. Among them, if the fourth capability information or the seventh capability information includes the first field (or, the first field exists in the first indication information included in the fourth capability information or the seventh capability information), or the value of the first field included in the fourth capability information or the seventh capability information is the first value, it can be indicated that the UE does not support the uplink of the frequency unit and the downlink of other frequency units to work simultaneously, and the fifth capability information or the eighth capability information may not include the first field corresponding to the frequency unit; if the fifth capability information or the eighth capability information includes the first field (or, the first field exists in the first indication information included in the fourth capability information or the seventh capability information), or the fourth capability information or the seventh capability information includes the first field value as the first value, it can be indicated that the UE does not support the downlink of the frequency unit and the uplink of other frequency units to work simultaneously, and the fourth capability information or the seventh capability information may not include the first field corresponding to the frequency unit. That is, through the fourth capability information, the fifth capability information, the seventh capability information and the eighth capability information, it can be indicated that the UE does not support the transmission direction of the frequency unit that works simultaneously, that is, the UE does not support working simultaneously with other frequency units in the transmission direction of the frequency unit. For example, the first field occupies one or more bits, the first value is, for example, "1" or "true", and the second value is, for example, "0" or "false".Since the frequency units that the UE does not support simultaneous operation will correspond to the fourth capability information and the eighth capability information, or the fifth capability information and the seventh capability information, respectively, the network device can determine that the UE does not support simultaneous operation in which transmission directions of which frequency units in combination with the fourth capability information, the fifth capability information, the seventh capability information and the eighth capability information. For example, the first indication information is included in the fourth capability information corresponding to the first frequency unit (that is, the first field exists in the first indication information included in the fourth capability information corresponding to the first frequency unit), and is included in the eighth capability information corresponding to the second frequency unit (that is, the first field exists in the first indication information included in the eighth capability information corresponding to the second frequency unit), then the first field in the fourth capability information and the first field in the eighth capability information can indicate that the UE does not support simultaneous operation of uplink transmission in the first frequency unit and downlink reception in the second frequency unit, and the network device can determine based on the two first fields that the UE does not support simultaneous operation of uplink transmission in the first frequency unit and downlink reception in the second frequency unit. Wherein, if the first indication information does not include the first field corresponding to a certain frequency unit in the first frequency combination, it can be considered that the frequency unit has no transmission and reception restrictions, or it is considered that the transmission or reception of the frequency unit will not affect the reception or transmission of other frequency units in the first frequency combination.

[0085] The above example of the third distribution method of the first indication information is more suitable for the case where the first frequency combination includes only one pair of uplink and downlink pairs. If the first frequency combination includes multiple pairs of uplink and downlink pairs, the following method can be adopted. In this implementation method, the first indication information can still include one or more first fields, each of which can correspond to a frequency unit in the first frequency combination, and the content indicated by the first field can also refer to the previous paragraph. The difference is that in this implementation method, different uplink and downlink pairs can be distinguished by different values ​​of the first field. For example, if the value of the first field corresponding to a certain frequency unit included in the first indication information is the same as the value of the first field corresponding to another frequency unit, it indicates that the two frequency units belong to the same uplink and downlink pair. For example, the first frequency combination includes two pairs of uplink and downlink pairs, one of which includes a first frequency unit and a second frequency unit, and the other uplink and downlink pair includes a third frequency unit and a fourth frequency unit. The UE does not support the uplink transmission of the first frequency unit and the downlink reception of the second frequency unit at the same time, and does not support the uplink transmission of the third frequency unit and the downlink reception of the fourth frequency unit at the same time. The first indication information may include a first field corresponding to the first frequency unit (included in the fourth capability information), a first field corresponding to the second frequency unit (included in the eighth capability information), a first field corresponding to the third frequency unit (included in the capability information of the uplink level of the third frequency unit in the first frequency combination), and a first field corresponding to the fourth frequency unit (included in the capability information of the downlink level of the fourth frequency unit in the first frequency combination). The values ​​of the first field corresponding to the first frequency unit and the first field corresponding to the second frequency unit are both the first value, which may indicate that the UE does not support the uplink transmission of the first frequency unit and the downlink reception of the second frequency unit at the same time; the values ​​of the first field corresponding to the third frequency unit and the first field corresponding to the fourth frequency unit are both the second value, which may indicate that the UE does not support the uplink transmission of the third frequency unit and the downlink reception of the fourth frequency unit at the same time. The network device can determine based on the values ​​of these first fields that the UE does not support the uplink transmission of the first frequency unit and the downlink reception of the second frequency unit at the same time, and does not support the uplink transmission of the third frequency unit and the downlink reception of the fourth frequency unit at the same time. If the first frequency combination also includes more uplink and downlink pairs, the first field can also take the third value, the fourth value, etc., without limitation. Among them, the first value, the second value, the third value, the fourth value, etc. can all be integers greater than or equal to 0, and there is no restriction on the size relationship between these values, as long as they are not equal. Among them, if the first indication information does not include the first field corresponding to a frequency unit in the first frequency combination, it can be considered that the frequency unit has no transmission and reception restrictions, or that the transmission or reception of the frequency unit will not affect the reception or transmission of other frequency units in the first frequency combination.

[0086] In the third distribution mode of the first indication information, the implementation mode of the first indication information is similar to the implementation mode of the first indication information in the second distribution mode of the first indication information as mentioned above. For more details, please refer to the previous introduction and will not be elaborated herein.

[0087] The foregoing article introduces the relevant content of the first indication information, and the following will introduce the second indication information.

[0088] The first capability information may include one or more second indication information, each of which corresponds to a frequency unit in the first frequency combination. For example, if the first capability information includes the second indication information corresponding to a certain frequency unit in the first frequency combination (or the second indication information exists in the first capability information), or the value of the second indication information corresponding to a certain frequency unit in the first frequency combination included in the first capability information is the third value, then it indicates that the frequency unit in the first frequency combination supports the first filter; or, if the first capability information does not include the second indication information corresponding to a certain frequency unit in the first frequency combination (or the second indication information does not exist in the first capability information), or the value of the second indication information corresponding to a certain frequency unit in the first frequency combination included in the first capability information is the fourth value, then it indicates that the frequency unit in the first frequency combination does not support the first filter, or that the frequency unit in the first frequency combination does not need to use the first filter. Among them, the second indication information in the embodiment of the present application indicates a certain frequency unit, which means that the second indication information indicates the frequency unit in the first frequency combination. If the frequency unit is separated from the first frequency combination, for example, the UE may also use the frequency unit alone, or the frequency unit may also belong to other frequency combinations, etc., then the second indication information is not applicable, and the first indication information is similar, which will not be repeated later. Optionally, the third value and the fourth value may each occupy one or more bits, for example, the third value is "1" or "true", and the fourth value is "0" or "false". Among them, for an uplink and downlink pair, taking the uplink and downlink pair including an uplink frequency unit and a downlink frequency unit as an example, the first indication information may include the second indication information corresponding to one of the frequency units. For example, if the UE does not support the uplink transmission of the first frequency unit and the downlink reception of the second frequency unit in the first frequency combination at the same time, the first capability information may include the second indication information corresponding to the first frequency unit to indicate that the first frequency unit supports the first filter, or the first capability information may include the second indication information corresponding to the second frequency unit to indicate that the second frequency unit supports the first filter, that is, it is not necessary to set the second indication information for both frequency units, nor is it necessary to use the first filter for both frequency units.

[0089] Among them, the first filter corresponds to a filtering frequency range, for example, called the first filtering frequency range, and the first filtering frequency range can be represented by a starting frequency position and an ending frequency position, or represented by a starting frequency position and a bandwidth, or represented by an ending frequency position and a bandwidth. After a frequency unit is filtered by the first filter, the available frequency resources include frequency resources within the first filtering frequency range, and the frequency resources outside the first filtering frequency range in the frequency unit are unavailable. Or it can be understood that the first filter can filter to obtain the first frequency resource, and the first frequency resource is the frequency resource that is not filtered out (or available after filtering; or, the UE can work on the first frequency resource and another frequency unit at the same time) in the frequency unit filtered by the first filter, that is, the first frequency resource may include all or part of the frequency resources within the first filtering frequency range. For example, after a frequency unit is filtered by the first filter, the first frequency resource in the frequency unit is available (that is, the frequency resource in the frequency unit is within the first filtering frequency range), and the other frequency resources in the frequency unit except the first frequency resource (that is, the frequency resource in the frequency unit is outside the first filtering frequency range) are unavailable. When the first filter is used in different frequency units, the corresponding first filtering frequency ranges may be the same or different, and the corresponding first frequency resources may also be the same or different.

[0090] For example, if the uplink frequency band of the first frequency unit overlaps with the downlink frequency band of the second frequency unit, you can refer to Figure 4A , is a schematic diagram of the frequency range of the uplink frequency band of the first frequency unit and the downlink frequency band of the second frequency unit. Wherein the uplink frequency band of the first frequency unit and the downlink frequency band of the second frequency unit have an overlapping area shown by the shaded part, then the first capability information may include second indication information corresponding to the first frequency unit to indicate that the first frequency unit supports the first filter, and when the network device schedules the UE to use the first frequency unit for uplink transmission, the first filter may be used to filter the first frequency unit, then the network device will schedule the UE to be within the first filtering frequency range (including Figure 4A The first capability information may include second indication information corresponding to the second frequency unit to indicate that the second frequency unit supports the first filter. When the network device schedules the UE to use the second frequency unit for downlink reception, the network device may use the first filter to filter the second frequency unit. The network device will schedule the UE to receive the first frequency within the first filtering frequency range corresponding to the second frequency unit (including Figure 4A Downlink reception is performed in the frequency domain shown in B in the figure, and downlink reception is not performed in the overlapping area.

[0091] Among them, if the second indication information only indicates that a certain frequency unit in the first frequency combination supports the first filter, the parameters of the first filter can be predefined through the protocol. Optionally, the protocol can predefine the correspondence between the frequency unit and the filter parameters, or predefine the correspondence between the identifier of the frequency unit and the identifier of the filter. The identifier of a filter can indicate a filter, or indicate a set of filter parameters. The parameters of the filter include, for example, the filtering frequency range and / or the transmission direction, etc. The transmission direction is, for example, uplink or downlink. The embodiment of the present application only refers to the filter corresponding to the first frequency unit or the second frequency unit as the first filter, and does not mean that the parameters of the filters corresponding to different frequency units are the same. For example, the parameters of the filters corresponding to different frequency units may be the same or different. Taking the example that the uplink frequency band of the first frequency unit and the downlink frequency band of the second frequency unit have overlapping frequency bands, if the two frequency units belong to the same uplink and downlink pair, the filtering frequency ranges of the filters corresponding to the two frequency units may be the same (for example Figure 4A The shaded part is both the filtering frequency range of the first filter corresponding to the first frequency unit and the filtering frequency range of the first filter corresponding to the second frequency unit), but the transmission directions may be different; or if the two frequency units belong to different uplink and downlink pairs, the filtering frequency ranges of the filters corresponding to the two frequency units may be different, and the transmission directions may be the same or different. Taking the example that the uplink frequency band of the first frequency unit and the downlink frequency band of the second frequency unit interfere with each other but do not overlap, no matter whether the two frequency units belong to the same uplink and downlink pair or different uplink and downlink pairs, the filtering frequency ranges of the filters corresponding to the two frequency units may be different, and the transmission directions may be the same or different. Taking the example that the uplink frequency band of the first frequency unit and the downlink frequency band of the second frequency unit interfere with each other but do not overlap, you can refer to Figure 4B , is a schematic diagram of the frequency range of the uplink frequency band of the first frequency unit and the downlink frequency band of the second frequency unit. Then the filtering frequency range of the first filter corresponding to the first frequency unit is as follows: Figure 4B As shown by the horizontal line in , the filtering frequency range of the first filter corresponding to the second frequency unit is as follows Figure 4B As shown by the vertical line in .

[0092] For example, if the first capability information includes the second indication information corresponding to the first frequency unit, or the second indication information indicates that the first frequency unit supports the first filter, the network device will use the first filter corresponding to the first frequency unit to filter the first frequency unit; or, if the first capability information includes the second indication information corresponding to the second frequency unit, or the second indication information indicates that the second frequency unit supports the first filter, the network device will use the first filter corresponding to the second frequency unit to filter the second frequency unit. For example, the parameters of the first filter corresponding to the first frequency unit include the first filtering frequency range, and the transmission direction is uplink; the parameters of the first filter corresponding to the second frequency unit include the first filtering frequency range, and the transmission direction is downlink. Among them, because the first frequency unit and the second frequency unit belong to the same uplink and downlink pair, the two first filtering frequency ranges can be the same.

[0093] Alternatively, the second indication information may also indicate more content, for example, the second indication information may indicate that the uplink (or, uplink transmission) or downlink (or, downlink reception) of a certain frequency unit in the first frequency combination supports the first filter. For example, the first capability information includes the second indication information corresponding to the first frequency unit, and the second indication information may indicate that the uplink of the first frequency unit supports the first filter; or, the first capability information includes the second indication information corresponding to the second frequency unit, and the second indication information may indicate that the downlink of the second frequency unit supports the first filter. This indication method of the second indication information is equivalent to indicating the transmission direction parameter in the filter parameters. Therefore, when the protocol predefines the parameters of the filter, it is not necessary to predefine the transmission direction, but it is sufficient to predefine the filtering frequency range, thereby reducing the content predefined by the protocol and improving flexibility.

[0094] As an example, the second indication information can have two values, namely, a third value and a fourth value, the transmission direction corresponding to the third value is uplink, and the transmission direction corresponding to the fourth value is downlink. If the value of the second indication information corresponding to a certain frequency unit included in the first capability information is the third value, it indicates that the uplink of the frequency unit supports the first filter; or, if the value of the second indication information corresponding to a certain frequency unit included in the first capability information is the fourth value, it indicates that the downlink of the frequency unit supports the first filter.

[0095] As another example, the second indication information may include first sub-information (or may also be referred to as a third sub-field) and second sub-information (or may also be referred to as a fourth sub-field), wherein the transmission direction corresponding to the first sub-information is uplink, and the transmission direction corresponding to the second sub-information is downlink. If the first capability information includes first sub-information corresponding to a certain frequency unit (or, the first sub-information corresponding to a certain frequency unit exists in the second indication information or the first capability information), or the value of the first sub-information corresponding to a certain frequency unit included in the first capability information is a third value, then it indicates that the uplink of the frequency unit supports the first filter; or, if the first capability information includes second sub-information corresponding to a certain frequency unit (or, the second sub-information corresponding to a certain frequency unit exists in the second indication information or the first capability information), or the value of the second sub-information corresponding to a certain frequency unit included in the first capability information is a third value, then it indicates that the downlink of the frequency unit supports the first filter.

[0096] Alternatively, the second indication information may indicate that a certain frequency unit in the first frequency combination supports the first filter, and indicates the first filter frequency range corresponding to the first filter (for example, indicating the starting frequency position and the ending frequency position of the first filter frequency range, or indicating the starting frequency position and the bandwidth of the first filter frequency range, or indicating the ending frequency position and the bandwidth of the first filter frequency range). This indication method is equivalent to indicating the parameter of the filter frequency range of the filter through the second indication information, but does not indicate the transmission direction. If the second indication information indicates that a certain frequency unit in the first frequency combination supports the first filter and indicates the first filter frequency range, then one indication method is that the second indication information includes both information for indicating that a certain frequency unit supports the first filter and information for indicating the first filter frequency range; or another indication method is that the second indication information includes information for indicating the first filter frequency range corresponding to a certain frequency unit in the first frequency combination, and this information implicitly indicates that the frequency unit supports the first filter, so the second indication information does not need to include information dedicated to indicating that the frequency unit supports the first filter. For example, if the first capability information includes second indication information corresponding to a frequency unit (or the second indication information corresponding to a frequency unit exists in the first capability information), and the second indication information includes information of the first filtering frequency range, it may indicate that the first frequency unit corresponds to a filter with the first filtering frequency range; or, if the first capability information does not include the second indication information corresponding to a frequency unit (or the second indication information corresponding to a frequency unit does not exist in the first capability information), it may indicate that the frequency unit does not correspond to a filter.

[0097] For example, the second indication information corresponding to the first frequency unit included in the first capability information may indicate that the first frequency unit supports the first filter and indicates the first frequency range, or indicates the first frequency range; or, the second indication information corresponding to the second frequency unit included in the first capability information may indicate that the second frequency unit supports the first filter and indicates the first frequency range, or indicates the first frequency range. Optionally, the first filtering frequency range may be determined from multiple filtering frequency ranges, for example, the protocol predefines (or the network device configures) multiple filtering frequency ranges, then the UE can select one from them, and the network device knows the filtering frequency range and can also determine the corresponding filter, which is less difficult to implement; or, the first filtering frequency range may also be determined by the UE itself, for example, any filtering frequency range, then the network device can determine (for example, generate) the corresponding filter for any filtering frequency range, which is more flexible for filtering. This indication method of the second indication information is equivalent to indicating the parameter of the filtering frequency range in the filter parameters, so when the protocol predefines the parameters of the filter, it is not necessary to predefine the filtering frequency range, but to predefine the transmission direction, thereby reducing the content predefined by the protocol and improving flexibility.

[0098] Alternatively, the second indication information may indicate that the uplink or downlink of a frequency unit in the first frequency combination supports the first filter, and indicates the first filtering frequency range corresponding to the first filter, which is equivalent to indicating all parameters of the filter through the second indication information. If the first capability information does not include the second indication information corresponding to a frequency unit (or the second indication information corresponding to a frequency unit does not exist in the first capability information), it may indicate that the frequency unit does not correspond to the filter.

[0099] For example, the first capability information includes second indication information corresponding to the first frequency unit, and the second indication information may indicate that the uplink of the first frequency unit supports the first filter, and indicates the first filtering frequency range; or, the first capability information includes second indication information corresponding to the second frequency unit, and the second indication information may indicate that the downlink of the second frequency unit supports the first filter, and indicates the first filtering frequency range. For example, the second indication information may include first sub-information (or may also be referred to as the third sub-field) and second sub-information (or may also be referred to as the fourth sub-field), wherein the transmission direction corresponding to the first sub-information is uplink, and the transmission direction corresponding to the second sub-information is downlink. If the first capability information includes the first sub-information corresponding to a certain frequency unit (or, the first sub-information corresponding to a certain frequency unit exists in the second indication information or the first capability information), and the first sub-information includes the first filtering frequency range, then it indicates that the uplink of the frequency unit supports a filter with the first filtering frequency range; or, if the first capability information includes the second sub-information corresponding to a certain frequency unit (or, the second sub-information corresponding to a certain frequency unit exists in the second indication information or the first capability information), and the second sub-information includes the first filtering frequency range, then it indicates that the downlink of the frequency unit supports a filter with the first filtering frequency range. For the method of determining the first filtering frequency range, please refer to the above. Since the second indication information indicates the filtering frequency range and the transmission direction, the protocol does not need to predefine the parameters of the filter, thereby reducing the content predefined by the protocol and greatly improving the flexibility.

[0100] After receiving the first capability information, the network device can schedule the UE according to the first capability information. In the embodiment of the present application, the first indication information and the second indication information can be sent through the first capability information, or can also be sent through different information, or the UE can also send only the first indication information without sending the second indication information, or can also send only the second indication information without sending the first indication information. Among them, if the network device receives both the first indication information and the second indication information, the network device can still apply the two indication information separately without combining them, for example, the network device schedules the UE according to the first indication information, or schedules the UE according to the second indication information. For example, the first indication information indicates that the UE does not support the uplink transmission of the first frequency unit in the first frequency combination and the downlink reception of the second frequency unit at the same time, and the second indication information indicates that the first frequency unit in the first frequency combination supports the first filter, then the network device can, according to the first indication information, when scheduling the UE to perform uplink transmission in the first frequency unit, not schedule the UE to perform downlink reception in the second frequency unit; or, when scheduling the UE to perform downlink reception in the second frequency unit, not schedule the UE to perform uplink transmission in the first frequency unit. Alternatively, the network device may also schedule the UE to perform uplink transmission within the first filter frequency range (the filter frequency range of the first filter corresponding to the first frequency unit) in the first frequency unit when scheduling the UE to perform uplink transmission in the first frequency unit in the first frequency combination according to the second indication information; or, when scheduling the UE to perform downlink reception in the second frequency unit in the first frequency combination, schedule the UE to perform downlink reception within the first filter frequency range (the filter frequency range of the first filter corresponding to the second frequency unit) in the second frequency unit. The first frequency combination may include other frequency units in addition to the first frequency unit and the second frequency unit, for example, including the third frequency unit. The UE only needs to use the first filter in the uplink transmission of the first frequency unit when it is scheduled to use the first frequency unit and the second frequency unit at the same time; but if the network device refers to the second indication information but not the first indication information without combining the application of the first indication information and the second indication information, the network device will use the first filter for the first frequency unit regardless of whether the network device schedules the UE to use the first frequency unit and which frequency unit at the same time.

[0101] Alternatively, if the network device receives both the first indication information and the second indication information, the network device may also apply the two indication information in combination, for example, the network device schedules the UE according to the first indication information and the second indication information. For example, the first frequency combination includes a third frequency unit in addition to the first frequency unit and the second frequency unit, the first indication information indicates that the UE does not support the uplink transmission of the first frequency unit in the first frequency combination and the downlink reception of the second frequency unit at the same time, and the second indication information indicates that the first frequency unit in the first frequency combination supports the first filter. The network device may, according to the first indication information and the second indication information, schedule the UE to perform uplink transmission within the first filtering frequency range (the filtering frequency range of the first filter corresponding to the first frequency unit) when scheduling the UE to perform uplink transmission and downlink reception in the first frequency unit in the first frequency combination; or, when scheduling the UE to perform downlink reception and uplink transmission in the second frequency unit in the first frequency combination in the first frequency unit, schedule the UE to perform downlink reception in the first filtering frequency range (the filtering frequency range of the first filter corresponding to the second frequency unit) in the second frequency unit. If the network device schedules the UE to perform uplink transmission in the first frequency unit in the first frequency combination and to perform uplink transmission or downlink reception in the third frequency unit, the network device may not use the first filter for the first frequency unit, but may schedule the UE to perform uplink transmission in any available frequency resource in the first frequency unit. It can be seen that in the combination of the two indication information, the network device makes the scheduling of the UE more reasonable and improves the resource utilization.

[0102] In summary, the UE in the embodiment of the present application can send the first capability information to the network device. Through the indication of the first capability information, the network device can clearly know that the UE supports the non-simultaneous uplink transmission of the first frequency unit and the downlink reception of the second frequency unit in the first frequency combination, so that the network device can schedule the UE accordingly, for example, scheduling the UE to work non-simultaneously on the uplink of the first frequency unit and the downlink of the second frequency unit, thereby improving the scheduling accuracy of the network device for the UE, so that the UE can work normally according to the scheduling of the network device, and can also ensure the transmission quality of the UE.

[0103] Figure 5 A schematic diagram of the structure of a communication device provided in an embodiment of the present application is given. The communication device 500 may be Figure 2 The UE or the circuit system of the UE described in the embodiment shown is used to implement the method corresponding to the UE in the above method embodiment. Alternatively, the communication device 500 may be Figure 2The network device or the circuit system of the network device described in the embodiment shown is used to implement the method corresponding to the network device in the above method embodiment. For example, one circuit system is a chip system.

[0104] The communication device 500 includes at least one processor 501. The processor 501 can be used for internal processing of the device to implement certain control processing functions. Optionally, the processor 501 includes instructions. Optionally, the processor 501 can store data. Optionally, different processors can be independent devices, can be located in different physical locations, and can be located on different integrated circuits. Optionally, different processors can be integrated into one or more processors, for example, integrated on one or more integrated circuits.

[0105] Optionally, the communication device 500 includes one or more memories 503 for storing instructions. Optionally, data may also be stored in the memory 503. The processor and memory may be provided separately or integrated together.

[0106] Optionally, the communication device 500 includes a communication line 502 and at least one communication interface 504. Since the memory 503, the communication line 502 and the communication interface 504 are all optional, Figure 5 Indicated by dotted lines.

[0107] Optionally, the communication device 500 may further include a transceiver and / or an antenna. The transceiver may be used to send information to other devices or receive information from other devices. The transceiver may be referred to as a transceiver, a transceiver circuit, an input / output interface, etc., and is used to implement the transceiver function of the communication device 500 through an antenna. Optionally, the transceiver includes a transmitter and a receiver. Exemplarily, the transmitter may be used to generate a radio frequency signal from a baseband signal, and the receiver may be used to convert the radio frequency signal into a baseband signal.

[0108] The processor 501 may include a general-purpose central processing unit (CPU), a microprocessor, an application specific integrated circuit (ASIC), or one or more integrated circuits for controlling the execution of the program of the present application.

[0109] Communication link 502 may include a pathway for transmitting information between the above-mentioned components.

[0110] The communication interface 504 uses any transceiver-like device for communicating with other devices or communication networks, such as Ethernet, radio access network (RAN), wireless local area networks (WLAN), wired access networks, etc.

[0111] The memory 503 may be a read-only memory (ROM) or other types of static storage devices that can store static information and instructions, a random access memory (RAM) or other types of dynamic storage devices that can store information and instructions, or an electrically erasable programmable read-only memory (EEPROM), a compact disc read-only memory (CD-ROM) or other optical disc storage, optical disc storage (including compressed optical disc, laser disc, optical disc, digital versatile disc, Blu-ray disc, etc.), a magnetic disk storage medium or other magnetic storage device, or any other medium that can be used to carry or store the desired program code in the form of instructions or data structures and can be accessed by a computer, but is not limited thereto. The memory 503 may exist independently and be connected to the processor 501 via the communication line 502. Alternatively, the memory 503 may also be integrated with the processor 501.

[0112] The memory 503 is used to store computer-executable instructions for executing the solution of the present application, and the execution is controlled by the processor 501. The processor 501 is used to execute the computer-executable instructions stored in the memory 503, thereby realizing Figure 2 The steps performed by the UE or network device in the illustrated embodiment.

[0113] Optionally, the computer-executable instructions in the embodiments of the present application may also be referred to as application code, which is not specifically limited in the embodiments of the present application.

[0114] In a specific implementation, as an embodiment, the processor 501 may include one or more CPUs, such as Figure 5 CPU0 and CPU1 in.

[0115] In a specific implementation, as an embodiment, the communication device 500 may include multiple processors, such as Figure 5501 and processor 505 in the embodiment of the present invention. Each of these processors may be a single-CPU processor or a multi-CPU processor. The processor herein may refer to one or more devices, circuits, and / or processing cores for processing data (e.g., computer program instructions).

[0116] when Figure 5 When the device shown is a chip, for example, a chip of a UE or a chip of a network device, the chip includes a processor 501 (may also include a processor 505), a communication line 502 and a communication interface 504, and optionally, the chip may include a memory 503. Specifically, the communication interface 504 may be an input interface, a pin or a circuit, etc. The memory 503 may be a register, a cache, etc. The processor 501 and the processor 505 may be a general-purpose CPU, a microprocessor, an ASIC, or one or more integrated circuits for controlling the execution of the program of the communication method of any of the above embodiments.

[0117] The embodiment of the present application can divide the functional modules of the device according to the above method example. For example, each functional module can be divided according to each function, or two or more functions can be integrated into one processing module. The above integrated modules can be implemented in the form of hardware or in the form of software functional modules. It should be noted that the division of modules in the embodiment of the present application is schematic and is only a logical functional division. There may be other division methods in actual implementation. For example, in the case of dividing each functional module according to each function, Figure 6 A schematic diagram of a device is shown, and the device 600 may be a UE or a network device involved in the above-mentioned various method embodiments, or a chip in a UE or a chip in a network device. The device 600 includes a sending unit 601, a processing unit 602 and a receiving unit 603.

[0118] It should be understood that the apparatus 600 can be used to implement the steps performed by the UE or the network device in the communication method of the embodiment of the present application, and the relevant features can refer to the above Figure 2 The embodiments shown will not be described in detail here.

[0119] Optional, Figure 6 The functions / implementation processes of the sending unit 601, the receiving unit 603 and the processing unit 602 can be Figure 5 The processor 501 in the embodiment calls the computer execution instructions stored in the memory 503 to implement. Or, Figure 6 The function / implementation process of the processing unit 602 in Figure 5 The processor 501 in the embodiment calls the computer execution instruction stored in the memory 503 to implement, Figure 6The functions / implementation processes of the sending unit 601 and the receiving unit 603 can be Figure 5 The communication interface 504 in is implemented.

[0120] Optionally, when the device 600 is a chip or a circuit, the functions / implementation processes of the sending unit 601 and the receiving unit 603 can also be implemented through pins or circuits.

[0121] The present application also provides a computer-readable storage medium, which stores a computer program or instruction. When the computer program or instruction is executed, the method performed by the UE or network device in the aforementioned method embodiment is implemented. In this way, the functions described in the above embodiments can be implemented in the form of software functional units and sold or used as independent products. Based on this understanding, the technical solution of the present application can be essentially or in other words, the part that contributes or the part of the technical solution can be embodied in the form of a software product, which is stored in a storage medium and includes several instructions for a computer device (which can be a personal computer, a server, or a network device, etc.) to perform all or part of the steps of the method described in each embodiment of the present application. Storage media include: various media that can store program codes, such as USB flash drives, mobile hard drives, ROM, RAM, magnetic disks, or optical disks.

[0122] The present application also provides a computer program product, which includes: a computer program code, when the computer program code is run on a computer, the computer executes the method executed by the UE or the network device in any of the aforementioned method embodiments.

[0123] An embodiment of the present application also provides a processing device, including a processor and an interface; the processor is used to execute the method executed by the UE or network device involved in any of the above method embodiments.

[0124] In the above embodiments, it can be implemented in whole or in part by software, hardware, firmware or any combination thereof. When implemented using software, it can be implemented in whole or in part in the form of a computer program product. The computer program product includes one or more computer instructions. When the computer program instructions are loaded and executed on a computer, the process or function described in the embodiment of the present application is generated in whole or in part. The computer may be a general-purpose computer, a special-purpose computer, a computer network, or other programmable device. The computer instructions may be stored in a computer-readable storage medium, or transmitted from one computer-readable storage medium to another computer-readable storage medium, for example, the computer instructions may be transmitted from a website site, computer, server or data center by wired (e.g., coaxial cable, optical fiber, digital subscriber line (DSL)) or wireless (e.g., infrared, wireless, microwave, etc.) mode to another website site, computer, server or data center. The computer-readable storage medium may be any available medium that a computer can access or a data storage device such as a server or data center that includes one or more available media integrated. The available medium may be a magnetic medium, (e.g., a floppy disk, a hard disk, a tape), an optical medium (e.g., a DVD), or a semiconductor medium (e.g., a solid state disk (SSD)), etc.

[0125] The various illustrative logic units and circuits described in the embodiments of the present application can be implemented or operated by a general-purpose processor, a digital signal processor (DSP), an ASIC, a field-programmable gate array (FPGA), or other programmable logic devices, discrete gates or transistor logic, discrete hardware components, or any combination of the above. The general-purpose processor can be a microprocessor, and optionally, the general-purpose processor can also be any conventional processor, controller, microcontroller or state machine. The processor can also be implemented by a combination of computing devices, such as a digital signal processor and a microprocessor, a plurality of microprocessors, one or more microprocessors combined with a digital signal processor core, or any other similar configuration.

[0126] The steps of the method or algorithm described in the embodiments of the present application can be directly embedded in the hardware, the software unit executed by the processor, or the combination of the two. The software unit can be stored in RAM, flash memory, ROM, erasable programmable read-only memory (erasable programmable read-only memory, EPROM), EEPROM, register, hard disk, removable disk, CD-ROM or other storage media of any form in the art. Exemplarily, the storage medium can be connected to the processor so that the processor can read information from the storage medium and can write information to the storage medium. Optionally, the storage medium can also be integrated into the processor. The processor and the storage medium can be arranged in an ASIC, and the ASIC can be arranged in a terminal device. Optionally, the processor and the storage medium can also be arranged in different components in the terminal device.

[0127] These computer program instructions can also be loaded onto a computer or other programmable data processing device so that a series of operating steps are executed on the computer or other programmable device to produce a computer-implemented process, thereby providing instructions for implementing the process. Figure 1 A process or multiple processes and / or boxes Figure 1 The steps for the functions specified in one or more boxes.

[0128] The contents of the various embodiments of the present application may refer to each other. If there is no special explanation and logical conflict, the terms and / or descriptions between different embodiments are consistent and can be referenced to each other. The technical features in different embodiments can be combined to form new embodiments according to their internal logical relationships.

[0129] It is understandable that in the embodiment of the present application, the UE and / or the network device may perform some or all of the steps in the embodiment of the present application, and these steps or operations are only examples. In the embodiment of the present application, other operations or variations of various operations may also be performed. In addition, the various steps may be performed in different orders presented in the embodiment of the present application, and it is possible that not all operations in the embodiment of the present application need to be performed.

Claims

1. A communication method, characterized in that: Applied to a terminal device, the method comprises: Sending first capability information to a network device, wherein the first capability information includes capability information of the terminal device corresponding to a first frequency combination, wherein the first frequency combination includes a first frequency unit and a second frequency unit; wherein, The first capability information also includes first indication information and / or second indication information, the first indication information is used to indicate that the terminal device supports non-simultaneous operation of uplink transmission in the first frequency unit and downlink reception in the second frequency unit, and the second indication information is used to indicate that the first frequency unit or the second frequency unit supports a first filter, and the first filter is used to filter out a first frequency resource, and the first frequency resource is a part of the frequency resource within the first frequency unit or the second frequency unit.

2. The method according to claim 1, characterized in that The uplink frequency band of the first frequency unit overlaps with the downlink frequency band of the second frequency unit.

3. The method according to claim 1 or 2, characterized in that: The first capability information includes second capability information, the second capability information includes the first indication information, the second capability information is capability information of a frequency combination level corresponding to the first frequency combination, and the first indication information includes an identifier of the first frequency unit and an identifier of the second frequency unit.

4. The method according to claim 1 or 2, characterized in that: The first indication information includes first fields corresponding to the first frequency unit and the second frequency unit respectively, the value of the first field corresponding to the first frequency unit is a first value, and the value of the first field corresponding to the second frequency unit is a second value, which is used to indicate that the terminal device supports non-simultaneous operation of uplink transmission in the first frequency unit and downlink reception in the second frequency unit; or, The first indication information includes a first subfield and a second subfield corresponding to the first frequency unit and the second frequency unit respectively, the first subfield corresponding to the first frequency unit included in the first indication information exists or takes a first value, and the second subfield corresponding to the second frequency unit included in the first indication information exists or takes the first value, which is used to indicate that the terminal device supports non-simultaneous uplink transmission in the first frequency unit and non-simultaneous downlink reception in the second frequency unit.

5. The method according to claim 1 or 2, characterized in that: The first indication information includes the first subfield and the second subfield corresponding to the first frequency unit, the second frequency unit, the third frequency unit, and the fourth frequency unit, respectively; the first frequency combination also includes the third frequency unit and the fourth frequency unit; the first indication information is further used to indicate that the terminal device supports non-simultaneous operation of uplink transmission in the third frequency unit and downlink reception in the fourth frequency unit; The value of the first subfield corresponding to the first frequency unit included in the first indication information is a first value, and the value of the second subfield corresponding to the second frequency unit included in the first indication information is the first value, which is used to indicate that the terminal device supports non-simultaneous operation of uplink transmission in the first frequency unit and downlink reception in the second frequency unit; The value of the first subfield corresponding to the third frequency unit included in the first indication information is the second value, and the value of the second subfield corresponding to the fourth frequency unit included in the first indication information is the second value, which is used to indicate that the terminal device supports non-simultaneous operation of uplink transmission in the third frequency unit and downlink reception in the fourth frequency unit.

6. The method according to claim 4 or 5, characterized in that: The first capability information includes capability information of the first frequency unit in the first frequency combination, the capability information of the first frequency unit in the first frequency combination includes third capability information, the third capability information includes first part information of the first indication information, wherein the third capability information is capability information of the first frequency unit level in the first frequency combination; and The first capability information also includes capability information of the second frequency unit in the first frequency combination, and the capability information of the second frequency unit in the first frequency combination includes sixth capability information, and the sixth capability information includes the second part of information of the first indication information, wherein the sixth capability information is capability information of the second frequency unit level in the first frequency combination.

7. The method according to claim 4 or 5, characterized in that: The first capability information includes capability information of the first frequency unit in the first frequency combination, the capability information of the first frequency unit in the first frequency combination includes fourth capability information and fifth capability information, the fourth capability information and the fifth capability information include first part of information of the first indication information, wherein the fourth capability information is capability information of an uplink level of the first frequency unit in the first frequency combination, and the fifth capability information is capability information of a downlink level of the first frequency unit in the first frequency combination; and, The first capability information also includes capability information of the second frequency unit in the first frequency combination, and the capability information of the second frequency unit in the first frequency combination includes seventh capability information and eighth capability information, and the seventh capability information and the eighth capability information include the second part of information of the first indication information, wherein the seventh capability information is the uplink level capability information of the second frequency unit in the first frequency combination, and the eighth capability information is the downlink level capability information of the second frequency unit in the first frequency combination.

8. The method according to any one of claims 1 to 7, characterized in that: The second indication information is used to indicate that the first frequency unit or the second frequency unit supports the first filter, including: The second indication information exists or takes a third value, and is used to indicate that the first frequency unit or the second frequency unit supports the first filter.

9. The method according to claim 8, characterized in that The second indication information is further used to indicate that an uplink of the first frequency unit supports the first filter, or is used to indicate that a downlink of the second frequency unit supports the first filter.

10. The method according to claim 8 or 9, characterized in that: The second indication information is further used to indicate a first filtering frequency range corresponding to the first filter.

11. The method according to claim 10, characterized in that The first filtering frequency range is determined from a plurality of filtering frequency ranges; or, The first filtering frequency range is set by the terminal device.

12. A communication method, characterized in that: Applied to a network device, the method comprises: receiving first capability information from a terminal device, wherein the first capability information includes capability information of the terminal device corresponding to a first frequency combination, wherein the first frequency combination includes a first frequency unit and a second frequency unit; wherein, The first capability information also includes first indication information and / or second indication information, the first indication information is used to indicate that the terminal device supports non-simultaneous operation of uplink transmission in the first frequency unit and downlink reception in the second frequency unit, and the second indication information is used to indicate that the first frequency unit or the second frequency unit supports a first filter, and the first filter is used to filter out a first frequency resource, and the first frequency resource is a part of the frequency resource within the first frequency unit or the second frequency unit.

13. The method according to claim 12, characterized in that The method further comprises: According to the first indication information, when the terminal device is scheduled to perform uplink transmission in the first frequency unit, the terminal device is not scheduled to perform downlink reception in the second frequency unit, or, when the terminal device is scheduled to perform downlink reception in the second frequency unit, the terminal device is not scheduled to perform uplink transmission in the first frequency unit; or, According to the second indication information, when the terminal device is scheduled to perform uplink transmission in the first frequency unit, the terminal device is scheduled to perform uplink transmission in the first frequency resource corresponding to the first frequency unit; or, when the terminal device is scheduled to perform downlink reception in the second frequency unit, the terminal device is scheduled to perform downlink reception in the first frequency resource corresponding to the second frequency unit.

14. The method according to claim 12 or 13, characterized in that The first capability information includes second capability information, the second capability information includes the first indication information, the second capability information is capability information of a frequency combination level corresponding to the first frequency combination, and the first indication information includes an identifier of the first frequency unit and an identifier of the second frequency unit.

15. The method according to claim 12 or 13, characterized in that The first indication information includes first fields corresponding to the first frequency unit and the second frequency unit respectively, the value of the first field corresponding to the first frequency unit is a first value, and the value of the first field corresponding to the second frequency unit is a second value, which is used to indicate that the terminal device supports non-simultaneous operation of uplink transmission in the first frequency unit and downlink reception in the second frequency unit; or, The first indication information includes a first subfield and a second subfield corresponding to the first frequency unit and the second frequency unit respectively, the first subfield corresponding to the first frequency unit included in the first indication information exists or takes a first value, and the second subfield corresponding to the second frequency unit included in the first indication information exists or takes the first value, which is used to indicate that the terminal device supports non-simultaneous uplink transmission in the first frequency unit and non-simultaneous downlink reception in the second frequency unit.

16. The method according to claim 12 or 13, characterized in that The first indication information includes the first subfield and the second subfield corresponding to the first frequency unit, the second frequency unit, the third frequency unit, and the fourth frequency unit, respectively; the first frequency combination also includes the third frequency unit and the fourth frequency unit; the first indication information is further used to indicate that the terminal device supports non-simultaneous operation of uplink transmission in the third frequency unit and downlink reception in the fourth frequency unit; The value of the first subfield corresponding to the first frequency unit included in the first indication information is a first value, and the value of the second subfield corresponding to the second frequency unit included in the first indication information is the first value, which is used to indicate that the terminal device supports non-simultaneous operation of uplink transmission in the first frequency unit and downlink reception in the second frequency unit; The value of the first subfield corresponding to the third frequency unit included in the first indication information is the second value, and the value of the second subfield corresponding to the fourth frequency unit included in the first indication information is the second value, which is used to indicate that the terminal device supports non-simultaneous operation of uplink transmission in the third frequency unit and downlink reception in the fourth frequency unit.

17. The method according to claim 15 or 16, characterized in that The first capability information includes capability information of the first frequency unit in the first frequency combination, the capability information of the first frequency unit in the first frequency combination includes third capability information, the third capability information includes first part information of the first indication information, wherein the third capability information is capability information of the first frequency unit level in the first frequency combination; and The first capability information also includes capability information of the second frequency unit in the first frequency combination, and the capability information of the second frequency unit in the first frequency combination includes sixth capability information, and the sixth capability information includes the second part of information of the first indication information, wherein the sixth capability information is capability information of the second frequency unit level in the first frequency combination.

18. The method according to claim 15 or 16, characterized in that The first capability information includes capability information of the first frequency unit in the first frequency combination, the capability information of the first frequency unit in the first frequency combination includes fourth capability information and fifth capability information, the fourth capability information and the fifth capability information include first part of information of the first indication information, wherein the fourth capability information is capability information of an uplink level of the first frequency unit in the first frequency combination, and the fifth capability information is capability information of a downlink level of the first frequency unit in the first frequency combination; and, The first capability information also includes capability information of the second frequency unit in the first frequency combination, and the capability information of the second frequency unit in the first frequency combination includes seventh capability information and eighth capability information, and the seventh capability information and the eighth capability information include the second part of information of the first indication information, wherein the seventh capability information is the uplink level capability information of the second frequency unit in the first frequency combination, and the eighth capability information is the downlink level capability information of the second frequency unit in the first frequency combination.

19. The method according to any one of claims 12 to 18, characterized in that: The second indication information is used to indicate that the first frequency unit or the second frequency unit supports the first filter, including: The second indication information exists or takes a third value, and is used to indicate that the first frequency unit or the second frequency unit supports the first filter.

20. The method according to claim 19, characterized in that The second indication information is further used to indicate that an uplink of the first frequency unit supports the first filter, or is used to indicate that a downlink of the second frequency unit supports the first filter.

21. The method according to claim 19 or 20, characterized in that The second indication information is further used to indicate a first filtering frequency range corresponding to the first filter.

22. The method according to claim 21, characterized in that The method further comprises: A filter corresponding to the first filtering frequency range is determined as the first filter, wherein the first filtering frequency range is one of a plurality of filtering frequency ranges, or the first filtering frequency range is an arbitrary frequency range.

23. A communication device, characterized in that: The communication device comprises a processing unit and a transceiver unit, wherein the processing unit is coupled to the transceiver unit to execute the method according to any one of claims 1 to 11, or execute the method according to any one of claims 12 to 22.

24. A communication device, characterized in that: The communication device includes a processor and a memory, the memory is used to store a computer program, and the processor is used to execute the computer program stored in the memory, so that the communication device performs the method as described in any one of claims 1 to 11, or the communication device performs the method as described in any one of claims 12 to 22.

25. A computer-readable storage medium, characterized in that: The computer-readable storage medium is used to store a computer program, and when the computer program is executed on a computer, the computer is caused to execute the method according to any one of claims 1 to 11, or the computer is caused to execute the method according to any one of claims 12 to 22.

26. A computer program product, characterized in that The computer program product comprises a computer program, and when the computer program is run on a computer, the computer is caused to execute the method according to any one of claims 1 to 11, or the computer is caused to execute the method according to any one of claims 12 to 22.

27. A chip system, characterized in that: The chip system comprises: A processor and an interface, wherein the processor is used to call and run instructions from the interface, and when the processor executes the instructions, the method according to any one of claims 1 to 11 is implemented, or the method according to any one of claims 12 to 22 is implemented.

28. A communication system, characterized in that: The communication system includes a terminal device and a network device, wherein: The terminal device is used to execute the method according to any one of claims 1 to 11; The network device is used to execute the method according to any one of claims 12 to 22.

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