Wireless communication method, and device and storage medium

Abstract

Provided in the embodiments of the present application are a wireless communication method, and a device and a storage medium. The method comprises: a terminal device receiving first frequency band information, wherein the first frequency band information is used for indicating one or more first frequency band combinations; and on the basis of the one or more first frequency band combinations, the terminal device reporting one or more pieces of first capability information, wherein the first capability information is used for reporting a first switching interval of the terminal device, the first switching interval being a time interval when a receiving chain / transmitting chain of the terminal device performs frequency band switching.

Description

A wireless communication method and device, storage medium TECHNICAL FIELD

[0001] Embodiments of the present application relate to the field of mobile communication technology, in particular to a wireless communication method and device, storage medium. BACKGROUND

[0002] In related technologies, in uplink carrier aggregation (CA) or supplementary uplink (SUL), a UE configured with uplink switching function can dynamically switch the transmission link from one or two uplink bands to another or two uplink bands, so as to perform uplink transmission of at most 2 transmission links in one uplink band, or perform UL transmission in two uplink bands at the same time.

[0003] SUMMARY

[0004] Embodiments of the present application provide a wireless communication method and device, storage medium.

[0005] The wireless communication method provided by the embodiments of the present application comprises:

[0006] The terminal device receives first frequency band information, the first frequency band information being used to indicate one or more first frequency band combinations.

[0007] The terminal device reports one or more first capability information according to the one or more first frequency band combinations, the first capability information being used to report a first switching interval of the terminal device, the first switching interval being a time interval of a receive chain / transmission chain of the terminal device in a frequency band switching case.

[0008] The wireless communication method provided by the embodiments of the present application comprises:

[0009] The network device sends first frequency band information, the first frequency band information being used to indicate one or more first frequency band combinations.

[0010] The network device receives one or more first capability information, the one or more first capability information being related to the one or more first frequency band combinations, the first capability information being used to report a first switching interval of the terminal device, the first switching interval being a time interval of a receive chain / transmission chain of the terminal device in a frequency band switching case.

[0011] The wireless communication method provided by the embodiments of the present application comprises:

[0012] The terminal device receives fifth frequency band information and / or sixth frequency band information, the fifth frequency band information is used for configuring an associated frequency band set of each of a plurality of frequency bands in a case where a receive chain / transmit chain of the terminal device performs frequency band switching, and the sixth frequency band information is used for indicating the associated frequency band set of the fifth frequency band, the associated frequency band set of one frequency band including one or more associated frequency bands of the corresponding frequency band.

[0013] The wireless communication method provided by the embodiments of the present application comprises:

[0014] The network device sends fifth frequency band information and / or sixth frequency band information, the fifth frequency band information is used for configuring an associated frequency band set of each of a plurality of frequency bands in a case where a receive chain / transmit chain of the terminal device performs frequency band switching, and the sixth frequency band information is used for indicating the associated frequency band set of the fifth frequency band, the associated frequency band set of one frequency band including one or more associated frequency bands of the corresponding frequency band.

[0015] The terminal device provided by the embodiments of the present application comprises:

[0016] The first communication unit is configured to receive first frequency band information, the first frequency band information being used for indicating one or more first frequency band combinations.

[0017] The first communication unit is further configured to report one or more first capability informations according to the one or more first frequency band combinations, the first capability information being used for reporting a first switching interval of the terminal device, the first switching interval being a time interval in a case where a receive chain / transmit chain of the terminal device performs frequency band switching.

[0018] The network device provided by the embodiments of the present application comprises:

[0019] The second communication unit is configured to send first frequency band information, the first frequency band information being used for indicating one or more first frequency band combinations.

[0020] The second communication unit is further configured to receive one or more first capability informations, the one or more first capability informations being related to the one or more first frequency band combinations, the first capability information being used for reporting a first switching interval of the terminal device, the first switching interval being a time interval in a case where a receive chain / transmit chain of the terminal device performs frequency band switching.

[0021] The terminal device provided by the embodiments of the present application comprises:

[0022] The third communication unit is configured to receive fifth band information and / or sixth band information, the fifth band information is used to configure an associated band set of each band in a plurality of bands in a case of band switching of a receive chain / transmit chain of the terminal device, and the sixth band information is used to indicate an associated band set of a fifth band, the associated band set of one band including one or more associated bands of the corresponding band.

[0023] The network device provided by the embodiments of the present application comprises:

[0024] The fourth communication unit is configured to send fifth band information and / or sixth band information, the fifth band information is used to configure an associated band set of each band in a plurality of bands in a case of band switching of a receive chain / transmit chain of the terminal device, and the sixth band information is used to indicate an associated band set of a fifth band, the associated band set of one band including one or more associated bands of the corresponding band.

[0025] The communication device provided by the embodiments of the present application comprises a transceiver, a processor and a memory. The memory is used to store a computer program, and the processor is used to call and run the computer program stored in the memory to cooperate with the transceiver to execute the wireless communication method described above.

[0026] The chip provided by the embodiments of the present application comprises a processor, which is used to call and run a computer program from a memory, so that the device installed with the chip executes the wireless communication method described above.

[0027] The computer readable storage medium provided by the embodiments of the present application is used to store a computer program, and the computer program makes a computer execute the wireless communication method described above.

[0028] The computer program product provided by the embodiments of the present application comprises computer program instructions, and the computer program instructions make a computer execute the wireless communication method described above.

[0029] The computer program provided by the embodiments of the present application makes a computer execute the wireless communication method described above when it runs on the computer.

[0030] Through the above technical solution, the network device preconfigures one or more first band combinations to the terminal device through the first band information, and the terminal device reports the first capability information indicating the switching interval according to the preconfigured first band combination, thereby limiting the range of the band combination of the terminal device in the switching interval, and not needing to report the capability information corresponding to all the band combinations supported by the terminal device, so as to reduce the amount of information required for the switching interval reporting and reduce the signaling overhead required for the switching interval reporting. BRIEF DESCRIPTION OF DRAWINGS

[0031] The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiments of the application and together with the description serve to explain the application. In the drawings:

[0032] FIG. 1 is a schematic diagram of an application scenario of an embodiment of the present application;

[0033] FIG. 2 is a schematic diagram of optional radio bearers of E-UTRA-NR dual connectivity (EN-DC) of an embodiment of the present application;

[0034] FIG. 3 is a schematic diagram of optional system bandwidth, terminal device bandwidth and BWP of an embodiment of the present application;

[0035] FIG. 4 is a schematic diagram of an optional process of a wireless communication method of an embodiment of the present application;

[0036] FIG. 5 is a schematic diagram of an optional process of a wireless communication method of an embodiment of the present application;

[0037] FIG. 6 is a schematic diagram of an optional process of a wireless communication method of an embodiment of the present application;

[0038] FIG. 7 is a schematic diagram of an optional process of a wireless communication method of an embodiment of the present application;

[0039] FIG. 8 is a schematic diagram of an optional process of a wireless communication method of an embodiment of the present application;

[0040] FIG. 9 is a schematic diagram of an optional process of a wireless communication method of an embodiment of the present application;

[0041] FIG. 10 is a schematic diagram of an optional process of a wireless communication method of an embodiment of the present application;

[0042] FIG. 11 is a schematic diagram of an optional process of a wireless communication method of an embodiment of the present application;

[0043] FIG. 12 is a schematic diagram of an optional process of a wireless communication method of an embodiment of the present application;

[0044] FIG. 13 is a schematic diagram of an optional process of a wireless communication method of an embodiment of the present application;

[0045] FIG. 14 is a schematic diagram of an optional structure of a terminal device of an embodiment of the present application;

[0046] FIG. 15 is a schematic diagram of an optional structure of a network device of an embodiment of the present application;

[0047] FIG. 16 is a schematic diagram of an optional structure of a terminal device of an embodiment of the present application;

[0048] FIG. 17 is a schematic diagram of an optional structure of a network device of an embodiment of the present application;

[0049] FIG. 18 is a schematic structural diagram of a communication device according to an embodiment of the present application;

[0050] FIG. 19 is a schematic structural diagram of a chip according to an embodiment of the present application;

[0051] FIG. 20 is a schematic block diagram of a communication system according to an embodiment of the present application. DETAILED DESCRIPTION

[0052] The technical solutions in the embodiments of the present application will be described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the scope of protection of the present application.

[0053] FIG. 1 is a schematic diagram of an application scenario according to an embodiment of the present application.

[0054] As shown in FIG. 1, the communication system 100 can include a terminal device 110 and a network device 120. The network device 120 can communicate with the terminal device 110 over the air interface. The terminal device 110 and the network device 120 support multi-service transmission.

[0055] It should be understood that the embodiments of the present application are only exemplarily described with respect to the communication system 100, but the embodiments of the present application are not limited thereto. That is, the technical solutions of the embodiments of the present application can be applied to various communication systems, such as a Long Term Evolution (LTE) system, an LTE Time Division Duplex (TDD), a Universal Mobile Telecommunication System (UMTS), an Internet of Things (IoT) system, a Narrow Band Internet of Things (NB-IoT) system, an enhanced Machine-Type Communications (eMTC) system, a 5G communication system (also referred to as a New Radio (NR) communication system), or a future communication system, etc.

[0056] In the communication system 100 shown in FIG. 1, the network device 120 can be an access network device that communicates with the terminal device 110. The access network device can provide communication coverage for a specific geographic area and can communicate with the terminal device 110 (e.g., a UE) located in the coverage area.

[0057] The network device 120 can be an evolved node B (eNB or eNodeB) in a long term evolution (LTE) system, or a next generation radio access network (NG RAN) device, or a base station (gNB) in an NR system, or a radio controller in a cloud radio access network (CRAN), or a relay station, an access point, a vehicle-mounted device, a wearable device, a hub, a switch, a bridge, a router, or a network device in a future evolved public land mobile network (PLMN), etc.

[0058] The terminal device 110 can be any terminal device, including but not limited to a terminal device connected to the network device 120 or other terminal devices by wire or wireless connection.

[0059] The terminal device 110 can be used for device to device (D2D) communication.

[0060] The wireless communication system 100 can further include a core network device 130 in communication with the base station.

[0061] The various functional units in the communication system 100 can also establish a connection through a next generation (NG) interface to realize communication.

[0062] FIG. 1 exemplarily shows one base station, one core network device and two terminal devices. Optionally, the wireless communication system 100 can include multiple base station devices and each base station can include other numbers of terminal devices within its coverage, which are not limited by the embodiments of the present application.

[0063] It should be noted that FIG. 1 only shows a system to which the embodiments of the present application are applied in an exemplary manner, and of course, the method shown in the embodiments of the present application can also be applied to other systems. In addition, the terms "system" and "network" are often used interchangeably in this paper. The term "and / or" in this paper is only to describe the association relationship of the associated objects, which means that there can be three relationships, for example, A and / or B can represent: A exists alone, A and B exist together, and B exists alone. In addition, the character " / " in this paper generally represents an "or" relationship between the associated objects. It should also be understood that the "indication" mentioned in the embodiments of the present application can be direct indication or indirect indication, and can also mean an associated relationship. For example, A indicates B, which can mean that B can be obtained through A; it can also mean that A indirectly indicates B, for example, A indicates C, and B can be obtained through C; it can also mean that A and B have an associated relationship. It should also be understood that the "corresponding" mentioned in the embodiments of the present application can mean a direct or indirect corresponding relationship between the two, or it can mean an associated relationship between the two, or it can mean an indication and being indicated, configuration and being configured, and the like. It should also be understood that the "predefined" or "predefined rule" mentioned in the embodiments of the present application can be realized by pre-saving the corresponding code, table or other means that can be used to indicate related information in the device (for example, including terminal device and network device), and the specific implementation manner of the present application is not limited. For example, the predefined can mean defined in the protocol. It should also be understood that the "protocol" in the embodiments of the present application can mean a standard protocol in the communication field, which can include LTE protocol, NR protocol and related protocols applied to future communication systems, and the present application is not limited thereto.

[0064] In order to facilitate the understanding of the technical solutions of the embodiments of the present application, the related technologies of the embodiments of the present application are described as follows. The following related technologies can be combined with the technical solutions of the embodiments of the present application in any manner, and all of them belong to the protection scope of the embodiments of the present application.

[0065] Protocol stack architecture

[0066] In the related art, in the case of dual connectivity architecture, under the dual connectivity architecture, the network node is composed of two nodes, namely MN (Master Node) and SN (Secondary Node). The Packet Data Convergence Protocol (PDCP) and the Service Data Adaptation Protocol (SDAP) protocol stack and the corresponding PDCP below the protocol stack (i.e. RLC, MAC and PHY) can be located in different network nodes. There is no problem of distinguishing different nodes inside the terminal, but there is a problem of distinguishing the role of the cell group, that is, it is necessary to distinguish the master cell group (MCG) and the secondary cell group (SCG). The difference between MCG and SCG comes from the difference of the different radio bearer convergence protocol layers (i.e. MAC and PHY).

[0067] For EN-DC, from the network side, the composition of the radio bearer is as shown in FIG. 2: when the RLC, MAC and PHY protocol stacks of a radio bearer are located in the MN, such a radio bearer is called MCG Bearer, and vice versa, it is called SCG bearer. The split bearer mentioned above has a radio link on the MN and the SN, but only one PDCP protocol stack. This PDCP protocol stack can be on the MN or on the SN. The purpose of the split bearer is to improve the traffic of the radio interface.

[0068] Carrier aggregation

[0069] In each cell group, one or more cells can be supported to support the carrier aggregation function. In carrier aggregation (CA), two or more component carriers (CCs) are aggregated together. The UE can simultaneously receive or transmit on one or more CCs according to its own capability.

[0070] The UE with CA single timing advance (TA) capability can simultaneously receive and / or transmit on multiple CCs corresponding to multiple serving cells sharing the same timing advance (multiple serving cells belong to one TAG). The UE with CA multiple timing advance capability can simultaneously receive and / or send different timing advances on multiple CCs corresponding to multiple serving cells (multiple serving cells are grouped in multiple TAGs). The maximum number of CCs configured by the UE is: DL 16, UL 16.

[0071] Cell and BWP

[0072] From the perspective of frequency domain energy saving, 5G introduces the function of bandwidth part (BWP). As described above, the carrier bandwidth of NR is much larger than that of LTE, and many core frequency bands can support a typical 100MHz carrier bandwidth. The advantage of large bandwidth is that high transmission rate can be obtained. However, if the service mode is small data transmission or the service is discontinuous, it is very uneconomical for the UE to work in a large bandwidth mode. The core of BWP is to define a bandwidth smaller than the carrier bandwidth of the cell and the bandwidth capability of the terminal. When the amount of data transmitted over the air is low, the terminal works in a smaller bandwidth under the dynamic configuration of the network side to perform receiving and transmitting operations. In this way, the radio frequency front-end device, radio frequency transceiver, and baseband signal processing module of the terminal can work in a smaller processing bandwidth and lower processing clock condition, thereby working in a lower power consumption state.

[0073] The core concept of BWP is to define an access bandwidth smaller than the carrier bandwidth of the cell and the bandwidth capability of the terminal. All receiving and transmitting operations of the terminal can be performed in this smaller bandwidth, thereby realizing more flexible, efficient, and lower power consumption terminal operations in the 5G large bandwidth system. The maximum single carrier system bandwidth of LTE is 20MHz, and the single carrier bandwidth capability of the terminal is also 20MHz, so there is no case where the terminal capability is smaller than the carrier bandwidth of the cell. In the 5G NR system, the maximum carrier bandwidth will be greatly increased (such as 400MHz), and the terminal bandwidth capability will not increase significantly (such as 100MHz). In addition, the terminal does not need to always work with the maximum bandwidth capability. In order to save power consumption and more efficient frequency domain operation, it can work in a smaller bandwidth, which is the BWP. In summary, the NR system supports the concepts of cell group-cell, carrier-BWP in a hierarchical manner. The relationship between the carrier bandwidth of the cell, the single carrier terminal capability bandwidth, and the BWP can be as shown in FIG. 3.

[0074] Transmission switching (Tx Switching)

[0075] In uplink carrier aggregation (CA) or supplementary uplink (SUL), a UE configured with uplink band switching function can dynamically switch the Tx chain from one or two uplink bands to another or two uplink bands, so as to perform uplink transmission with a maximum of 2 Tx chains in one uplink band, or simultaneously perform uplink transmission in two uplink bands.

[0076] In the related art, the terminal device reports switching periods of all supported band combinations. The switching period is reported in the form of switching combination <from-band of TX1, from-band of TX2> and <To-band of TX1, To-band of TX2>, where from-band of TX1 refers to the frequency band before switching of the transmission chain TX1, To-band of TX1 refers to the frequency band after switching of TX1, from-band of TX2 refers to the frequency band before switching of the transmission chain TX2, and To-band of TX2 refers to the frequency band after switching of TX2. That is, a 4-band band combination (band-1, from band-2, band-3, to band-4) needs to report the following 6 sets of switching combination values: <from band-1, from band-2> <to band-3, to band-4>, <from band-1, from band-3> <to band-2, to band-4>, <from band-1, from band-4> <to band-2, to band-3>, <from band-2, from band-3> <to band-1, to band-4>, <from band-2, from band-4> <to band-1, to band-3>, and <from band-3, from band-4> <to band-1, to band-2>. The above switching combination is for the case of 2 transmission chains (TxChain) and 4 bands. If the number of Tx chains and bands increases, the number of values to be reported will further increase. For example, for the case of 4 Tx chains and 8 bands, the number of values to be reported will further increase to 70. Therefore, the overhead of the signaling related to the switching period report is large.

[0077] To facilitate understanding of the technical solutions of the embodiments of the present application, the technical solutions of the present application are described in detail below through specific embodiments. The above related art can be combined with the technical solutions of the embodiments of the present application as optional solutions, and all of them belong to the protection scope of the embodiments of the present application. The embodiments of the present application include at least part of the following contents.

[0078] The wireless communication method provided by the embodiments of the present application includes an optional processing procedure, which is applied to a terminal device, as shown in FIG. 4, and includes the following steps:

[0079] S401, a terminal device receives first frequency band information, the first frequency band information being used for indicating one or more first frequency band combinations;

[0080] S402, the terminal device reports one or more first capability informations according to the one or more first frequency band combinations, the first capability information being used for reporting a first switching interval of the terminal device, the first switching interval being a time interval in a case that a receive chain / transmit chain of the terminal device performs frequency band switching.

[0081] An optional processing procedure of the wireless communication method provided by the embodiments of the present application is applied to a network device, as shown in FIG. 5, and includes the following steps:

[0082] S501, a network device sends first frequency band information, the first frequency band information being used for indicating one or more first frequency band combinations;

[0083] S502, the network device receives one or more first capability informations, the first capability information being used for reporting a first switching interval of the terminal device, the first switching interval being a time interval in a case that a receive chain / transmit chain of the terminal device performs frequency band switching.

[0084] An optional processing procedure of the wireless communication method provided by the embodiments of the present application is applied to a wireless communication system including a network device and a terminal device, as shown in FIG. 6, and includes the following steps:

[0085] S601, a network device sends first frequency band information to a terminal device, the first frequency band information being used for indicating one or more first frequency band combinations;

[0086] S602, the terminal device reports one or more first capability informations to the network device according to the one or more first frequency band combinations, the first capability information being used for reporting a first switching interval of the terminal device, the first switching interval being a time interval in a case that a receive chain / transmit chain of the terminal device performs frequency band switching.

[0087] In the following, the wireless communication method shown in FIG. 4, FIG. 5 or FIG. 6 is further described.

[0088] The first frequency band combination can be understood as a frequency band combination indicated by the first frequency band information sent by the network device, and the first frequency band combination includes one or more frequency bands. The first frequency band information sent by the network device to the terminal device is used for indicating one or more first frequency band combinations. The first frequency band information can include one or more first frequency band combinations, and the terminal device receives the one or more first frequency band combinations included in the first frequency band information. The first frequency band information can include indexes of each frequency band combination in the one or more first frequency band combinations, and the terminal device determines the one or more first frequency band combinations according to the received indexes of the frequency band combinations.

[0089] In a case that the first frequency band information indicates a plurality of first frequency band combinations, different frequency band combinations include different frequency bands. At least part of the frequency band combinations include the same or different number of frequency bands, and different frequency band combinations do not include or include the same frequency band.

[0090] In an example, the first frequency band information is used to indicate a frequency band combination 1, a frequency band combination 2 and a frequency band combination 3, wherein the frequency band combination 1 includes a frequency band 1, a frequency band 2, a frequency band 3 and a frequency band 4, the frequency band combination 2 includes the frequency band 1, a frequency band 5 and a frequency band 6, and the frequency band combination 3 includes a frequency band 7 and a frequency band 8. The frequency band combination 1, the frequency band combination 2 and the frequency band combination 3 include different numbers of frequency bands, the frequency band combination 1 and the frequency band combination 2 include the same frequency band, i.e., the frequency band 1, the frequency band combination 1 and the frequency band combination 3 do not include the same frequency band, and the frequency band combination 2 and the frequency band combination 3 do not include the same frequency band.

[0091] In an example, the first frequency band information is used to indicate a frequency band combination 1 and a frequency band combination 2, wherein the frequency band combination 1 includes a frequency band 1, a frequency band 2, a frequency band 3 and a frequency band 4, and the frequency band combination 2 includes a frequency band 5, a frequency band 6, a frequency band 7 and a frequency band 8. The frequency band combination 1 and the frequency band combination 2 include the same number of frequency bands, and the frequency band combination 1 and the frequency band combination 2 do not include the same frequency band.

[0092] In the embodiments of the present application, the band can be replaced by bandwidth.

[0093] After the terminal device receives the first frequency band information, the terminal device reports one or more first capability information according to one or more first frequency band combinations indicated by the first frequency band information. The network device receiving the one or more first capability information can be understood as that the one or more first frequency band combinations are used for the terminal device to report the one or more first capability information.

[0094] The first capability information is used to report a first switching interval required by a chain of the terminal device when performing frequency band switching. The chain can be understood as a link in a transceiver of the terminal device used for data transmission, wherein the chain can be a receiving chain (Rx chain) or a transmitting chain (Tx chain). The receiving chain can be understood as a link in a transceiver used by the terminal device when receiving a downlink signal or channel, and the transmitting chain can be understood as a link in a transceiver used by the terminal device when transmitting an uplink signal or channel.

[0095] The band switching of the chain of the terminal device can be understood as switching of the chain from a current band to another band. In embodiments of the present application, one or more chains can exist in the terminal device at the same time, and all or part of the one or more chains perform band switching.

[0096] In embodiments of the present application, the network device preconfigures one or more first band combinations for the terminal device through the first band information, and the terminal device reports the first capability information indicating the switching interval according to the preconfigured first band combinations, thereby limiting the range of the band combinations for the terminal device to report the switching interval, and not needing to report the capability information corresponding to all the band combinations supported by the terminal device, thereby reducing the amount of information required for the switching interval reporting and reducing the signaling overhead required for the switching interval reporting.

[0097] In embodiments of the present application, the first capability information can be reported based on the first band combinations configured by the network device, or can be reported based on second band combinations determined based on the first band combinations.

[0098] In the case where the first capability information is the first band combination configured by the network device

[0099] In some embodiments, if the one or more first band combinations include a plurality of first band combinations, the terminal device reports one or more first capability information according to the one or more first band combinations, including:

[0100] The terminal device reports the first capability information of at least part of the first band combinations in the plurality of first band combinations.

[0101] In some embodiments, if the one or more first band combinations include a plurality of first band combinations, the network device receives one or more first capability information, including:

[0102] The network device receives the first capability information of at least part of the first band combinations in the plurality of first band combinations.

[0103] It can be understood that if the first band information indicates a plurality of first band combinations, the one or more first capability information reported by the terminal device includes the first capability information of at least part of the first band combinations in the plurality of first band combinations.

[0104] At least part of the plurality of first band combinations includes all the first band combinations in the plurality of first band combinations, or part of the first band combinations in the plurality of first band combinations.

[0105] In an example, the multiple first band combinations indicated by the first band information include: a first band combination 1, a first band combination 2, and a first band combination 3, and the terminal device reports multiple first capability information: first capability information A of the first band combination 1, first capability information B of the first band combination 2, and first capability information C of the first band combination 3.

[0106] In an example, the multiple first band combinations indicated by the first band information include: a first band combination 1, a first band combination 2, and a first band combination 3, and the terminal device reports multiple first capability information: first capability information A of the first band combination 1, first capability information B of the first band combination 2, and first capability information C of the first band combination 3.

[0107] In an example, the multiple first band combinations indicated by the first band information include: a first band combination 1, a first band combination 2, and a first band combination 3, and the terminal device reports multiple first capability information: first capability information A of the first band combination 1, first capability information B of the first band combination 2, and first capability information C of the first band combination 3.

[0108] In an example, the multiple first band combinations indicated by the first band information include: a first band combination 1, a first band combination 2, and a first band combination 3, and the terminal device reports multiple first capability information: first capability information A of the first band combination 1, first capability information B of the first band combination 2, and first capability information C of the first band combination 3.

[0109] In an example, the multiple first band combinations indicated by the first band information include: a first band combination 1, a first band combination 2, and a first band combination 3, and the terminal device reports multiple first capability information: first capability information A of the first band combination 1, first capability information B of the first band combination 2, and first capability information C of the first band combination 3.

[0110] selecting the partial first band combinations based on the capability of the terminal device;

[0111] selecting the partial first band combinations based on the implementation of the terminal device;

[0112] randomly selecting the partial first band combinations;

[0113] selecting the partial first band combinations based on the signaling overhead limitation.

[0114] In an example, when the terminal device reports the first capability information, the terminal device reports the first capability information of a preconfigured band combination, and the reporting of the capability information is limited in a limited band combination range configured by the network device, so as to reduce the reporting complexity and reduce the signaling overhead.

[0115] In a case where the first capability information is second band combination determined based on the first band combination

[0116] In some embodiments, if the one or more first band combinations include one first band combination, the terminal device reports one or more first capability information according to the one or more first band combinations, including:

[0117] The terminal device reports first capability information of at least part of second frequency band combinations in the one or more second frequency band combinations, the second frequency band combinations comprising one or more first frequency bands in the first frequency band combination.

[0118] In some embodiments, if the one or more first frequency band combinations comprise one first frequency band combination, the network device receives one or more first capability information, comprising:

[0119] The network device receives first capability information of at least part of second frequency band combinations in the one or more second frequency band combinations, the second frequency band combinations comprising one or more first frequency bands in the first frequency band combination

[0120] The terminal device determines the first frequency band combination indicated by the first frequency band information, and determines one or more second frequency band combinations based on the first frequency band combination. The second frequency band combination comprises one or more first frequency bands in all first frequency band combinations. In an example, the first frequency band combination comprises the following frequency bands: frequency band 1, frequency band 2, frequency band 3 and frequency band 4, and the second frequency band combination is a combination comprising one or more of frequency band 1, frequency band 2, frequency band 3 and frequency band 4.

[0121] It can be understood that the terminal device determines one or more second frequency band combinations from the supported frequency band combinations based on the first frequency band combination.

[0122] In an example, the terminal device supports the following frequency band combinations: frequency band combination 1, frequency band combination 2, frequency band combination 3 and frequency band combination 4, wherein frequency band combination 1 comprises frequency band 1, frequency band 2, frequency band 3 and frequency band 4, frequency band combination 2 comprises frequency band 3 and frequency band 5, frequency band combination 3 comprises frequency band 4, frequency band 6, frequency band 7 and frequency band 8, and frequency band combination 4 comprises frequency band 2, frequency band 5, frequency band 7 and frequency band 9; the first frequency band combination indicated by the first frequency band information comprises the following frequency bands: frequency band 1, frequency band 2 and frequency band 3, and the determined second frequency band combination comprises frequency band combination 1, frequency band combination 2 and frequency band combination 4, wherein frequency band combination 1 comprises frequency band 1, frequency band 2 and frequency band 3 in the first frequency band combination, frequency band combination 2 comprises frequency band 3 in the first frequency band combination, and frequency band combination 4 comprises frequency band 2 in the first frequency band combination.

[0123] The one or more first capability information reported by the terminal device comprises first capability information of at least part of second frequency band combinations in the one or more second frequency band combinations.

[0124] The at least part of second frequency band combinations in the one or more second frequency band combinations comprises all second frequency band combinations in the one or more second frequency band combinations, or part of second frequency band combinations in the one or more second frequency band combinations.

[0125] In the embodiments of the present application, the first capability information reported by the terminal device is limited to the frequency band combinations which are subsets of the first frequency band combination, so that the first frequency band combination is selected from the frequency band combinations supported by the terminal device, and the range of the reported frequency band combinations is reduced, thereby reducing the signaling overhead, while ensuring that the frequency band combinations to which the reported capability information is directed are the frequency band combinations supported by the terminal device.

[0126] In some embodiments, the first capability information includes one or more time information, the time information being used to report time intervals in which the receiving chain / transmitting chain of the terminal device switches between the first number of frequency bands, wherein different time information corresponds to different first number of frequency bands in the same frequency band combination, and the first number is an integer greater than or equal to 2.

[0127] It can be understood that different time information corresponds to different at least two or more frequency bands in the same frequency band combination, and the time information is used to report time intervals in which the receiving chain / transmitting chain of the terminal device switches between the at least two or more frequency bands.

[0128] The first capability information reported for a first frequency band combination or a second frequency band combination includes one or more time information, and different time information corresponds to different at least two frequency bands in the frequency band combination.

[0129] In the embodiments of the present application, one time information can correspond to one combination, the combination being a subset of the frequency band combination corresponding to the first capability information, and the combination including a first number N of frequency bands, N being an integer greater than or equal to 2, and different combinations including different frequency bands. Alternatively, N is a multiple of 2.

[0130] Taking N as 2 as an example, the first capability information includes M time information, wherein M is the number of combinations obtained by selecting any two frequency bands from the frequency band set to form a combination. It can be understood that M is the number of combinations obtained by selecting any two frequency bands from the frequency band set to form a combination.

[0131] In an example, the frequency band combination corresponding to the first frequency band information includes 4 frequency bands (frequency band 1, frequency band 2, frequency band 3, frequency band 4), and N is 2, so that 2 frequency bands are selected from the 4 frequency bands to form a combination, and 6 combinations can be obtained: (frequency band 1, frequency band 2), (frequency band 1, frequency band 3), (frequency band 1, frequency band 4), (frequency band 2, frequency band 3), (frequency band 2, frequency band 4), (frequency band 3, frequency band 4); that is, for the frequency band combination including 4 frequency bands, the first capability information includes 6 time information.

[0132] In an example, the first frequency band information corresponds to a frequency band combination including 8 frequency bands, N is 2, 2 frequency bands are selected from the 8 frequency bands to form a combination, 28 combinations are obtained, and the first capability information includes 28 time information for the frequency band combination including 8 frequency bands.

[0133] In the embodiment of the application, in the case of N=2, the time interval of switching between the two frequency bands (frequency band 1, frequency band 2) can be understood as the time interval of switching from frequency band 1 to frequency band 2, or the time interval of switching from frequency band 2 to frequency band 1.

[0134] Taking N=4 as an example, the first capability information includes M time information, where M is the number of combinations corresponding to the frequency band combination corresponding to the first capability information. It can be understood that M is the number of combinations obtained by selecting any four frequency bands from the frequency band set to form a combination.

[0135] In an example, the first frequency band information corresponds to a frequency band combination including 5 frequency bands (frequency band 1, frequency band 2, frequency band 3, frequency band 4, and frequency band 5), N is 4, 4 frequency bands are selected from the 5 frequency bands to form a combination, and 6 combinations are obtained: (frequency band 1, frequency band 2, frequency band 3, frequency band 4), (frequency band 1, frequency band 2, frequency band 3, frequency band 5), (frequency band 1, frequency band 2, frequency band 4, frequency band 5), (frequency band 1, frequency band 3, frequency band 4, frequency band 5), (frequency band 2, frequency band 3, frequency band 4, frequency band 5); that is, the first capability information includes 5 time information for the frequency band combination including 5 frequency bands.

[0136] In the embodiment of the application, the first capability information reported by the terminal device to the network device reports the time interval of switching between at least two frequency bands, and does not report the switching interval based on the number of chains of the terminal device, so that the terminal device can determine the switching interval required in more frequency band switching scenarios based on the time interval reported by the terminal device, thereby reducing the signaling overhead required for reporting the switching interval in various number of frequency band switching scenarios.

[0137] In the embodiment of the application, in the case that the first number of frequency bands selected for different first frequency band combinations or second frequency band combinations are the same, the time interval of switching between the first number of frequency bands in different first frequency band combinations or second frequency band combinations can be reported respectively.

[0138] In an example, the first frequency band combination indicated by the first frequency band information includes: a first frequency band combination A (band 1, band 2, band 3) and a first frequency band combination B (band 1, band 2, band 3, band 4), in the case of N being 2, when 2 frequency bands are selected from the first frequency band combination A and the first frequency band combination B, there are the same combinations: (band 1, band 2), (band 1, band 3), (band 2, band 3), at this time, the reporting of the time information corresponding to (band 1, band 2), (band 1, band 3), (band 2, band 3) is respectively performed for the first frequency band combination A and the first frequency band combination B, so as to report the switching time of the same combination under different frequency band combinations.

[0139] In some embodiments, if the first number is greater than 2, the time information indicates the switching interval in the case that one or more chains switch on the first number of frequency bands.

[0140] In an example, if the first number is 4, the time information corresponding to the combination of 4 frequency bands is the switching interval in the case that 2 chains switch on 4 frequency bands.

[0141] In some embodiments, if the first number is 2, the time information includes: first time information and / or second time information, the first time information indicates the time interval of single receiving chain / transmitting chain switching in the case that the receiving chain / transmitting chain of the terminal device switches on two frequency bands, and the second time information indicates the time interval of two receiving chain / transmitting chain switching in the case that the receiving chain / transmitting chain of the terminal device switches on two frequency bands.

[0142] The time interval indicated by the first time information can be understood as the switching interval when a single chain switches on two frequency bands.

[0143] In the embodiments of the present application, the single chain switching on two frequency bands can be understood as one frequency band being applied to one chain, or one frequency band being applied to two chains and the frequency band of one chain moving and the frequency band of the other chain not moving.

[0144] In an example, taking the switching of chain 1 on two frequency bands including band 1 and band 2 as an example, chain 1 is located on band 1, and the single chain switching is understood as that chain 1 moves from band 1 to band 2.

[0145] In an example, taking two chains including chain1 and chain2 and switching on two bands including band1 and band2 as an example, chain1 and chain2 are located on band1, and the switching of two chains is understood as that chain1 or chain2 moves from band1 to band2, and the other chain stays on band1.

[0146] The first time information indicates a time interval of switching of a single chain on two bands, and the chain switches on two bands included in the combination corresponding to the time information.

[0147] In an example, the combination corresponding to the time information is (band1, band2), and the first time information indicates a switching interval of switching of a single chain chain1 applied to band1 on band1 and band2, or indicates that one of two chains chain1 and chain2 applied to band1 switches on band1 and band2, and the other chain does not move.

[0148] The time interval indicated by the second time information can be understood as a switching interval of switching of two chains,

[0149] The switching of two chains can be understood as the switching of two chains applied to one band, that is, the two chains move from one band to another band at the same time. Taking two chains including chain1 and chain2 and switching on two bands including band1 and band2 as an example, chain1 and chain2 both move from band1 to band2.

[0150] The second time information indicates a time interval of switching of two chains on two bands, and the two chains switch on two bands included in the combination corresponding to the time information.

[0151] In an example, the combination corresponding to the time information is (band1, band2), and the second time information indicates a switching interval of switching of two chains chain1 and chain2 on band1 and band2, that is, chain1 and chain2 exist at the same time.

[0152] In the embodiments of the present application, the terminal device reports switching intervals of switching of different numbers of chains in at least two band switching scenarios, so that the network device can effectively determine switching intervals in more number of band switching scenarios, thereby improving the accuracy of the determined switching intervals.

[0153] In some embodiments, the first capability information further includes one or more of the following:

[0154] The second frequency band information is used for indicating a first frequency band set corresponding to a first receiving chain / transmitting chain, the first frequency band set being a set of frequency bands associated with the first receiving chain / transmitting chain, the first frequency band set being a subset of the first frequency band combination or the second frequency band combination, the second frequency band combination including one or more first frequency bands in the first frequency band combination;

[0155] The third frequency band information is used for indicating a second frequency band set corresponding to a third frequency band, the second frequency band set being a set of fourth frequency bands associated with the third frequency band after a receiving chain / transmitting chain switching;

[0156] The fourth frequency band information is used for indicating one or more switching combinations, the switching combination being a combination of a frequency band before a same receiving chain / transmitting chain switching and a frequency band after the switching.

[0157] The second frequency band information is based on a report of a frequency band associated with a chain. Here, the first receiving chain / transmitting chain, i.e., the first chain, can be understood as a chain to which the reported first frequency band set is directed. The terminal device reports, to the network device, a frequency band associated with a chain based on the second frequency band information. For the first chain, the corresponding first frequency band set includes a set of frequency bands associated with the first chain.

[0158] In an example, for the Tx chain1, the reported first frequency band set includes the frequency band 1, the frequency band 2 and the frequency band 3, and the frequency bands associated with the Tx chain1 include the frequency band 1, the frequency band 2 and the frequency band 3.

[0159] It can be understood that the frequency band associated with the chain can be understood as a frequency band used by the chain.

[0160] In the embodiments of the present application, the second frequency band information can report a first frequency band set corresponding to one or more chains. Wherein, for different chains, the first frequency band sets corresponding to the chains include the same or different frequency bands.

[0161] In the embodiments of the present application, when reporting the first frequency band set, the second frequency band information can correspond to report a chain identifier of a first chain corresponding to the first frequency band set. The chain identifier can be understood as identifier information set to distinguish different chains.

[0162] In the embodiments of the present application, for a chain, the corresponding first frequency band set is a subset of the first frequency band combination or the second frequency band combination.

[0163] In the embodiments of the present application, the reporting of the band associated with a chain based on the chain enables the network device to determine the band of the chain when performing frequency band switching.

[0164] The third frequency band information is based on reporting of bands associated with the chain after the chain switching on the frequency band. The third frequency band can be understood as a frequency band to which the reported second frequency band set is directed. The terminal device reports the second frequency band set corresponding to the band to the network device based on the third frequency band information.

[0165] In an example, for the frequency band A, the reported second frequency band set includes frequency band 1, frequency band 2 and frequency band 3, and the bands associated with the chain after the chain switching on the frequency band A include frequency band 1, frequency band 2 and frequency band 3.

[0166] In the embodiments of the present application, the third frequency band information can report the second frequency band set corresponding to one or more frequency bands. Wherein, for different bands, the frequency bands included in the corresponding second frequency band set are the same or different.

[0167] In the embodiments of the present application, when reporting the second frequency band set, the third frequency band information can correspond to the band corresponding to the second frequency band set.

[0168] In the embodiments of the present application, the reporting of the band associated with the band after the chain switching based on the band enables the network device to determine the band after the band switching of the band.

[0169] The fourth frequency band information is used to indicate one or more switching combinations, that is, the combination of the frequency band before the switching and the frequency band after the switching when the terminal device performs the frequency band switching, or which frequency band moves to which frequency band. Wherein, one frequency band combination can be applied to one or more chains.

[0170] In an example, the fourth frequency band information indicates one switching combination (A1=>A2, B1=>B2), that is, when performing the frequency band switching, the chain on the frequency band A1 is switched from the frequency band A1 to the frequency band A2, and the chain on the frequency band B1 is switched from the frequency band B1 to the frequency band B2.

[0171] In an example, for the scenario of switching A1 and A2 to B1 and B2, the fourth frequency band information can indicate A1=>A2, B1=>B2) or (A1=>B2, B1=>A2).

[0172] In the embodiments of the present application, the first frequency band combination or the second frequency band combination limits the frequency bands on which the chain of the terminal device switches when performing the frequency band switching, and does not limit the frequency bands before and after the switching. By reporting the switching combination, the frequency bands before and after the switching when the chain of the terminal device performs the frequency band switching are determined, so that the network device performs the scheduling of the chain.

[0173] It can be understood that one chain is associated with one band or serves one band, one band is associated with one or more chains, or is served by one or more chains. Among them, one or more chains serve or are associated with one band, and the case where one or more chains work can also be described as one band being applied to one or more chains or one band including one or more chains, or one band being applied to one or more ports or one band being transmitted on one or more ports, one port corresponding to one chain.

[0174] In the embodiment of the application, by reporting the first capability information, not only the switching interval is reported, but also the constraint condition or limitation of the terminal device when performing band switching is provided to the network device, so that the network device schedules the chain to different frequency bands according to the reporting of the first capability information, and infers the switching time of the terminal device in the band switching process.

[0175] In some embodiments, one of the one or more first frequency band combinations is configured as a frequency band combination used by the receive chain / transmit chain of the terminal device for band switching.

[0176] One of the one or more first frequency band combinations preconfigured by the network device is configured as a frequency band combination used by the chain of the terminal device for band switching, that is, a frequency band combination configured for the terminal device for use at that moment.

[0177] In some embodiments, the one or more first frequency band combinations indicated by the first frequency band information are configured as frequency band combinations used by the terminal device at that moment, and are only configured for the terminal device to perform reporting of the first capability information.

[0178] In some embodiments, the terminal device receives the first frequency band information, including:

[0179] The terminal device receives a first RRC message, and the first RRC message contains the first frequency band information.

[0180] In some embodiments, the network device sends the first frequency band information, including:

[0181] The network device sends a first RRC message, and the first RRC message contains the first frequency band information.

[0182] In some embodiments, the terminal device sends one or more first capability information, including:

[0183] The terminal device sends a first RRC response message for responding to the first RRC message, and the first RRC response message contains the one or more first capability information.

[0184] In some embodiments, the network device receives the one or more first capability information, including:

[0185] The network device receives a first RRC response message for responding to the first RRC message, and the first RRC response message contains the one or more first capability information.

[0186] In some embodiments, the terminal device receives first frequency band information, including:

[0187] The terminal device receives a first radio resource control (RRC) reconfiguration message, and the first RRC reconfiguration message contains the first frequency band information.

[0188] In some embodiments, the network device sends first frequency band information, including:

[0189] The network device sends a first radio resource control (RRC) reconfiguration message, and the first RRC reconfiguration message contains the first frequency band information.

[0190] It can be understood that the first frequency band information can be carried by other messages than the RRC reconfiguration message.

[0191] In some embodiments, the terminal device reports the one or more first capability information according to the one or more first frequency band combinations, including:

[0192] The terminal device sends an RRC reconfiguration complete message for responding to the first RRC reconfiguration message, and the RRC reconfiguration complete message contains the one or more first capability information.

[0193] In some embodiments, the network device receives the one or more first capability information, including:

[0194] The network device receives an RRC reconfiguration complete message for responding to the first RRC reconfiguration message, and the RRC reconfiguration complete message contains the one or more first capability information.

[0195] It can be understood that the first capability information can be carried by other messages than the RRC reconfiguration complete message.

[0196] In the embodiments of the present application, the sending of the first frequency band information and the reporting of the first capability information can be completed by the RRC reconfiguration message and the RRC reconfiguration complete message in the RRC reconfiguration process.

[0197] An optional processing procedure of the wireless communication method provided in the embodiments of the present application is applied to a terminal device, as shown in FIG. 7, and includes the following steps.

[0198] In S701, the terminal device receives fifth frequency band information and / or sixth frequency band information. The fifth frequency band information is used to configure an associated frequency band set of each of a plurality of frequency bands in a case where a receive chain / transmit chain of the terminal device performs frequency band switching. The sixth frequency band information is used to indicate an associated frequency band set of a fifth frequency band. The associated frequency band set of one frequency band includes one or more associated frequency bands of the corresponding frequency band.

[0199] An optional processing procedure of the wireless communication method provided in the embodiments of the present application is applied to a network device, as shown in FIG. 8, and includes the following steps.

[0200] In S801, the network device sends fifth frequency band information and / or sixth frequency band information. The fifth frequency band information is used to configure an associated frequency band set of each of a plurality of frequency bands in a case where a receive chain / transmit chain of the terminal device performs frequency band switching. The sixth frequency band information is used to indicate an associated frequency band set of a fifth frequency band. The associated frequency band set of one frequency band includes one or more associated frequency bands of the corresponding frequency band.

[0201] An optional processing procedure of the wireless communication method provided in the embodiments of the present application is applied to a wireless communication system including a network device and a terminal device, as shown in FIG. 9, and includes the following steps.

[0202] In S901, the network device sends fifth frequency band information and / or sixth frequency band information to the terminal device. The fifth frequency band information is used to configure an associated frequency band set of each of a plurality of frequency bands in a case where a receive chain / transmit chain of the terminal device performs frequency band switching. The sixth frequency band information is used to indicate an associated frequency band set of a fifth frequency band. The associated frequency band set of one frequency band includes one or more associated frequency bands of the corresponding frequency band.

[0203] In the embodiments of the present application, the wireless communication method shown in FIG. 4, FIG. 5 or FIG. 6 and the wireless communication method shown in FIG. 7, FIG. 8 or FIG. 9 can be implemented independently or in combination, and the embodiments of the present application do not make any limitation in this regard.

[0204] In the following, the wireless communication method shown in FIG. 7, FIG. 8 or FIG. 9 is further described.

[0205] The fifth frequency band information is used to configure an associated frequency band set for each of a plurality of frequency bands.

[0206] The sixth frequency band information is used to configure an associated frequency band set for a specific frequency band, i.e., a fifth frequency band.

[0207] The associated band set of a band can be understood as the set of associated bands of the band, wherein the associated bands of a band can include one or more associated bands.

[0208] The associated band of a band can be understood as the associated band of other chains when one of the chains switches to the band during band switching of multiple chains. In an example, the associated bands of band A include band B and band C, and when three chains perform band switching, one of the chains moves or switches to band A, and the other two chains move or switch to band B and band C, respectively.

[0209] It can be understood that in the associated band set of a band, the band after band switching of a chain can be the same as or different from the band before band switching of the chain.

[0210] In the case where the band after band switching of a chain can be the same as the band before band switching of the chain, the band of the chain in band switching is not moved. In the case where the band after band switching of a chain can be different from the band before band switching of the chain, the band of the chain in band switching is moved, i.e., from one band to another band.

[0211] In the embodiments of the present application, when one chain moves to another band, the associated band determined based on the fifth band information or the sixth band information, i.e., the band after movement of other chains, is the same as or different from the band before movement of the corresponding chain. For a chain, in the case where the determined associated band is the same as the band before movement of the chain, it can be understood that the band of the chain in band switching is not moved.

[0212] In the embodiments of the present application, the network device indicates to the terminal device how one or more chains should move when one chain moves to one band during band switching of the chains of the terminal device.

[0213] In some embodiments, the fifth band information includes first information corresponding to each band in the plurality of bands, and the first information is used to indicate the associated band set of the band.

[0214] Here, the fifth band information can be understood as a band list, in which the first information corresponding to each band in the plurality of bands is included, and the first information is used to indicate the associated band set of the corresponding band.

[0215] In an example, the fifth frequency band information includes: first information of each of frequency band A, frequency band B, frequency band C and frequency band D, wherein the first information corresponding to the frequency band A is used to indicate an associated frequency band set of the frequency band A, the first information corresponding to the frequency band B is used to indicate an associated frequency band set of the frequency band B, the first information corresponding to the frequency band C is used to indicate an associated frequency band set of the frequency band C, and the first information corresponding to the frequency band D is used to indicate an associated frequency band set of the frequency band D.

[0216] In the embodiments of the present application, the fifth frequency band information is used to explicitly indicate the associated frequency band sets of different frequency bands in the plurality of frequency bands, so that the terminal device can directly determine the associated frequency band sets of different frequency bands according to the received fifth frequency band information.

[0217] In some embodiments, the first information is used to indicate the associated frequency band set of the frequency band, including:

[0218] The first information is used to indicate the associated frequency band set of the frequency band applied to different numbers of receiving chains / transmitting chains.

[0219] It can be understood that in the associated frequency band sets of the plurality of different frequency bands indicated by the fifth frequency band information, one frequency band corresponds to a plurality of associated frequency band sets. Different associated frequency band sets in the plurality of associated frequency band sets corresponding to the frequency band are associated frequency band sets of the frequency band applied to different numbers of chains, or associated frequency band sets of the frequency band served by different numbers of chains.

[0220] In an example, the first information corresponding to the frequency band A is used to indicate the associated frequency band set of the frequency band A, wherein the frequency band A can be applied to 1 chain, 2 chains or 3 chains, i.e., served by 1 chain, 2 chains or 3 chains, and then the first information is used to indicate the following associated frequency band sets: an associated frequency band set 1 when 1 chain serves the frequency band A, an associated frequency band set 2 when 2 chains serve the frequency band A, and an associated frequency band set 3 when 3 chains serve the frequency band A.

[0221] In the embodiments of the present application, the application of one frequency band to different numbers of chains can also be described as the transmission of different numbers of ports on the frequency band or the application to different numbers of ports, or the service of different numbers of chains to the chain.

[0222] In some embodiments, the first information indicates the associated frequency band set of the frequency band in the following manner, but is not limited to one of the following indication manners:

[0223] In the indication mode one, the first information is used to indicate a plurality of third frequency band sets, and different third frequency band sets are associated frequency band sets of the frequency band applied to different numbers of chains.

[0224] In the indication mode two, the first information is used to indicate a fourth frequency band set, and the fourth frequency band set includes an associated frequency band set of the frequency band applied to one chain.

[0225] In the indication mode one, the first information is used to indicate a plurality of third frequency band sets, and different third frequency band sets are associated frequency band sets of the frequency band applied to different numbers of chains.

[0226] In the embodiments of the present application, the number of third frequency band sets indicated by the first information can be determined based on the number of chains simultaneously existing when switching to the frequency band. In an example, when switching to frequency band A, four chains can exist simultaneously, and then the first information corresponding to frequency band A indicates three third frequency band sets, that is, frequency band A has three associated frequency band sets, which are associated frequency band sets of frequency band A applied to one chain, two chains and three chains.

[0227] In the embodiments of the present application, for a third frequency band set, the number of associated frequency bands included in the third frequency band set and the number of chains applied to the frequency band corresponding to the third frequency band set are equal to the number of chains currently existing simultaneously.

[0228] In an example, the first information corresponding to frequency band A is used to indicate the associated frequency band set of frequency band A, the number of chains currently existing simultaneously is four, and frequency band A can be applied to one chain, two chains or three chains. Then, the first information indicates the following frequency band sets: the associated frequency band set 1 of frequency band A applied to one chain, the associated frequency band set 2 of frequency band A applied to two chains, and the associated frequency band set 3 of frequency band A applied to three chains. The associated frequency band set 1 includes three frequency bands, the associated frequency band set 2 includes two frequency bands, and the associated frequency band set 3 includes one frequency band.

[0229] In the indication mode two, the first information is used to indicate a fourth frequency band set, and the fourth frequency band set includes an associated frequency band set of the frequency band applied to one chain.

[0230] In the embodiments of the present application, the associated frequency band set of the frequency band corresponding to the first information when applied to the second number of chains is a subset of the fourth frequency band set.

[0231] In some embodiments, the number of frequency bands included in the associated frequency band set of the frequency band corresponding to the first information when applied to the second number of chains is the number of simultaneously existing chains minus the second number.

[0232] In an example, the number of simultaneously existing chains is 4, and the fourth frequency band set includes 3 frequency bands; if the frequency band corresponding to the fourth frequency band set is applied to 2 chains, the associated frequency band set of the frequency band includes 2 frequency bands; if the frequency band corresponding to the fourth frequency band set is applied to 3 chains, the associated frequency band set of the frequency band includes 1 frequency band.

[0233] In the embodiments of the present application, the corresponding number of frequency bands is selected from the fourth frequency band set based on the number of frequency bands included in the associated frequency band set.

[0234] The selection manner of selecting the frequency bands constituting the associated frequency band set from the fourth frequency band set can be random selection, sequential selection according to the order of the frequency bands, or selection according to the correspondence relationship between the chains and the frequency bands, and the embodiments of the present application do not limit this. In the case of selection according to the correspondence relationship between the chains and the frequency bands, there is a correspondence relationship between the frequency bands in the fourth frequency band set and the chains.

[0235] In an example, for frequency band A, the fourth frequency band set indicated by the first information includes the following frequency bands: frequency band B, frequency band C, and frequency band D; in the case of frequency band A being applied to 2 chains, the associated frequency band set of frequency band A includes the following frequency bands: frequency band B and frequency band C; in the case of frequency band A being applied to 3 chains, the associated frequency band set of frequency band A includes the following frequency band: frequency band B.

[0236] In an example, for frequency band A, the fourth frequency band set indicated by the first information includes the following frequency bands: frequency band B, frequency band C, and frequency band D, and frequency band B, frequency band C, and frequency band D are respectively associated with another three chains; in the case of frequency band A being applied to 2 chains (including the chain corresponding to frequency band B), the associated frequency band set of frequency band A includes the following frequency bands: frequency band C and frequency band D; in the case of frequency band A being applied to 3 chains (including the chain corresponding to frequency band B and the chain corresponding to frequency band C), the associated frequency band set of frequency band A includes the following frequency band: frequency band D.

[0237] In some embodiments, the fifth frequency band information indicates a frequency band set, and an associated frequency band set of a frequency band in the frequency band set is a subset of a frequency band set composed of other frequency bands in the frequency band set.

[0238] In an example, the fifth frequency band set includes the following frequency bands: frequency band A, frequency band B, frequency band C, and frequency band D, the associated frequency band set of frequency band A is a subset of the frequency band set (frequency band B, frequency band C, and frequency band D), the associated frequency band set of frequency band B is a subset of the frequency band set (frequency band A, frequency band C, and frequency band D), the associated frequency band set of frequency band C is a subset of the frequency band set (frequency band A, frequency band B, and frequency band D), and the associated frequency band set of frequency band D is a subset of the frequency band set (frequency band A, frequency band B, and frequency band C).

[0239] Optionally, for a frequency band set indicated by the fifth frequency band information, the associated frequency band set of a frequency band is determined based on the number of applications of each frequency band.

[0240] In the embodiments of the present application, the corresponding number of frequency bands are selected from the frequency band set composed of other frequency bands based on the number of frequency bands included in the associated frequency band set.

[0241] The selection manner of selecting the frequency bands included in the associated frequency band set from the frequency band set composed of other frequency bands can be random selection, sequential selection according to the order of the frequency bands, etc., which is not limited in the embodiments of the present application.

[0242] In an example, a frequency band set indicated by the fifth frequency band information includes the following frequency bands: frequency band A, frequency band B, frequency band C, and frequency band D, the associated frequency band set of frequency band A is a subset of the frequency band set (frequency band B, frequency band C, and frequency band D), wherein, in the case that frequency band A is applied to one chain, the associated frequency band set of frequency band A includes: frequency band B, frequency band C, and frequency band D; in the case that frequency band A is applied to two chains, the associated frequency band set of frequency band A includes the following frequency bands: frequency band B and frequency band C; in the case that frequency band A is applied to three chains, the associated frequency band set of frequency band A includes the following frequency band: frequency band B.

[0243] In some embodiments, the terminal device receives the fifth frequency band information, including:

[0244] The terminal device receives a second RRC message, and the second RRC message contains the fifth frequency band information.

[0245] In some embodiments, the network device sends the fifth frequency band information, including:

[0246] The network device sends a second RRC message, and the second RRC message contains the fifth frequency band information.

[0247] In some embodiments, the terminal device receives fifth frequency band information, including:

[0248] The terminal device receives a second RRC reconfiguration message, and the second RRC reconfiguration message contains the fifth frequency band information.

[0249] In some embodiments, the network device sends fifth frequency band information, including:

[0250] The network device sends a second RRC reconfiguration message, and the second RRC reconfiguration message contains the fifth frequency band information.

[0251] In the embodiments of the present application, the configuration of the fifth frequency band information can be performed in the RRC reconfiguration process.

[0252] In some embodiments, on the basis of the wireless communication method shown in FIG. 7, as shown in FIG. 10, the method further includes:

[0253] S702, the terminal device receives indication information, and the indication information is used to indicate that the terminal device transmits on the fifth frequency band and the fifth frequency band is applied to a third number of receive chains / transmit chains.

[0254] In some embodiments, on the basis of the wireless communication method shown in FIG. 8, as shown in FIG. 11, the method further includes:

[0255] S802, the network device sends indication information, and the indication information is used to indicate that the terminal device transmits on the fifth frequency band and the fifth frequency band is applied to a third number of receive chains / transmit chains.

[0256] The third number can be understood as the number of chains of the terminal device to which the fifth frequency band is applied after the chain performs frequency band switching.

[0257] The network device indicates, through the indication information, that the third number of chains of the terminal device perform frequency band switching to the fifth frequency band, that is, the third number of chains of the terminal device move to the fifth frequency band, and the third number is an integer greater than 1 or equal to 1.

[0258] In some embodiments, the plurality of frequency bands includes the fifth frequency band, and the fifth frequency band information is used to determine an associated frequency band set of the fifth frequency band.

[0259] The associated frequency band set of the plurality of frequency bands configured by the fifth frequency band information includes an associated frequency band set of the fifth frequency band, the terminal device determines the associated set of the fifth frequency band based on the fifth frequency band set, and moves chains other than the third number of chains to associated frequency bands in the associated set.

[0260] In the embodiments of the present application, in the case that the fifth frequency band information is received and the sixth frequency band information is received, the terminal device can switch other chains on the fifth frequency band except the chain to the frequency band in the associated frequency band set indicated by the sixth frequency band information according to the indication of the sixth frequency band information. In the case that the sixth frequency band information is received, the terminal device can switch other chains on the fifth frequency band except the chain to the frequency band in the associated frequency band set indicated by the sixth frequency band information according to the indication of the sixth frequency band information. In the case that the fifth frequency band information is received, the terminal device can switch other chains on the fifth frequency band except the chain to the frequency band in the associated frequency band set of the fifth frequency band determined based on the fifth frequency band information according to the indication of the fifth frequency band information.

[0261] It can be understood that the sixth frequency band information is used to override the associated frequency band set configured by the fifth frequency band information, or is used to omit the associated frequency band set configured by the fifth frequency band information,

[0262] In some embodiments, on the basis of the wireless communication method shown in FIG. 10, the method further includes:

[0263] The terminal device sends second capability information, and the second capability information is used to determine a second receiving chain / transmitting chain applied by the fifth frequency band, or the second capability information is used to determine a frequency band associated with the receiving chain / transmitting chain before switching to the fifth frequency band.

[0264] In some embodiments, on the basis of the wireless communication method shown in FIG. 11, the method further includes:

[0265] The network device receives second capability information, and the second capability information is used to determine a second receiving chain / transmitting chain applied by the fifth frequency band, or the second capability information is used to determine a frequency band associated with the receiving chain / transmitting chain before switching to the fifth frequency band.

[0266] Here, the terminal device reports second capability information to the network device, and the second capability information is used to determine a chain applied by the fifth frequency band, that is, which chain transmits on the fifth frequency band. Or, the second capability information is used to determine a frequency band associated with the chain before switching to the fifth frequency band, that is, which chain on the previous frequency band switches to the fifth frequency band for transmission.

[0267] In the embodiments of the present application, the network device determines the second receiving chain / transmitting chain applied by the fifth frequency band, or, after the receiving chain / transmitting chain switched to the fifth frequency band is associated with the frequency band before switching, the indication information can also be used to indicate the second receiving chain / transmitting chain applied by the fifth frequency band, or, the receiving chain / transmitting chain switched to the fifth frequency band is associated with the frequency band before switching, that is, the network device indicates to the terminal device through the indication information which chain is used for transmission on the fifth frequency band or which chain before the fifth frequency band is switched to the fifth frequency band for transmission.

[0268] In some embodiments, the second capability information includes one or more of the following:

[0269] Seventh frequency band information, the seventh frequency band information is used to indicate a fifth frequency band set, the fifth frequency band set includes the fifth frequency band, and the fifth frequency band set is a set of frequency bands associated with the second receiving chain / transmitting chain;

[0270] Eighth frequency band information, the eighth frequency band information is used to indicate a sixth frequency band set corresponding to the fifth frequency band, and the sixth frequency band set is a set of frequency bands associated with the receiving chain / transmitting chain after switching on the fifth frequency band;

[0271] Ninth frequency band information, the ninth frequency band information is used to indicate one or more switching combinations, the switching combination is a combination of a frequency band before switching and a frequency band after switching of the same receiving chain / transmitting chain, and the frequency band after switching is the fifth frequency band.

[0272] The description of the seventh frequency band information can refer to the description of the second frequency band information in the first capability information, and the difference is that the fifth frequency band set indicated by the seventh frequency band information includes the fifth frequency band, and the first frequency band set indicated by the second frequency band information can not include the fifth frequency band. In the case that the first frequency band combination includes the fifth frequency band, the first frequency band set can be understood as the fifth frequency band set.

[0273] The description of the eighth frequency band information can refer to the description of the third frequency band information in the first capability information, and the difference is that the eighth frequency band information indicates a set of frequency bands associated with the receiving chain / transmitting chain after switching on the fifth frequency band, and the third frequency band set indicates a set of frequency bands associated with the receiving chain / transmitting chain after switching on the third frequency band, and the third frequency band and the fifth frequency band can be the same or different. In the case that the third frequency band and the fifth frequency band are the same frequency band, the third frequency band information can be understood as the eighth frequency band information.

[0274] The description of the ninth frequency band information can refer to the description of the fourth frequency band information, with the difference that the switched frequency band in the switching combination indicated by the ninth frequency band information includes the fifth frequency band, the switched frequency band in the switching combination indicated by the fourth frequency band information can or can not include the fifth frequency band, and in the case where the switched frequency band in the switching combination indicated by the fourth frequency band information includes the fifth frequency band, the fourth frequency band information can be understood as the ninth frequency band information.

[0275] In some embodiments, the method further includes:

[0276] The terminal device receives first frequency band information, the first frequency band information being used to indicate one or more first frequency band combinations, the fifth frequency band set being a subset of the first frequency band combinations or second frequency band combinations, the second frequency band combinations including one or more first frequency bands in the first frequency band combinations.

[0277] In some embodiments, the method further includes:

[0278] The network device sends first frequency band information, the first frequency band information being used to indicate one or more first frequency band combinations, the fifth frequency band set being a subset of the first frequency band combinations or second frequency band combinations, the second frequency band combinations including one or more first frequency bands in the first frequency band combinations.

[0279] Here, the description of the first frequency band information can refer to the first frequency band information in the wireless communication method shown in FIG. 4, FIG. 5 or FIG. 6.

[0280] The fifth frequency band set is a first frequency band set indicated by the first frequency band information or a second frequency band set determined according to the first frequency band set.

[0281] In some embodiments, the terminal device receives indication information, including:

[0282] The terminal device receives layer 1 signaling, the layer 1 signaling containing the indication information.

[0283] In some embodiments, the network device sends indication information, including:

[0284] The network device sends layer 1 signaling, the layer 1 signaling containing the indication information.

[0285] In the embodiments of the present application, the network device and the terminal device can transmit the received information through layer 1 signaling.

[0286] In some embodiments, the layer 1 signaling further contains the sixth frequency band information.

[0287] In the embodiments of the present application, the indication information and the sixth frequency band information can be contained in the layer 1 signaling and transmitted to the terminal device together.

[0288] In the following, the wireless communication method provided by the embodiments of the present application is further described.

[0289] The sending switching in the related art has the following technical defects:

[0290] 1. The terminal device reports the switching interval of all supported frequency band combinations. The switching interval is reported in the form of switching combination <from-band of TX1, from-band of TX2> and <To-band of TX1, To-band of TX2>, wherein from-band of TX1 refers to the frequency band before the switching of the sending chain TX1, To-band of TX1 refers to the frequency band after the switching of TX1, from-band of TX2 refers to the frequency band before the switching of the sending chain TX2, and To-band of TX2 refers to the frequency band after the switching of TX2. That is, a 4-band frequency band combination (band-1, from band-2, band-3, to band-4) needs to report the following 6 groups of switching combination values: <from band-1, from band-2> <to band-3, to band-4>, <from band-1, from band-3> <to band-2, to band-4>, <from band-1, from band-4> <to band-2, to band-3>, <from band-2, from band-3> <to band-1, to band-4>, <from band-2, from band-4> <to band-1, to band-3>, <from band-3, from band-4> <to band-1, to band-2>. The above switching combination is for the case of 2 sending chains (TxChain) and 4 bands. If the number of Tx chains and bands increases, the number of values required to be reported will further increase. For example, for the case of 4 Tx chains and 8 bands, the number of values required to be reported will further increase to 70. Therefore, the overhead of the signaling related to the switching interval reporting is large.

[0291] 2. UE capability fallback rule is not applicable. For example, for a high order band combination (e.g. contains 8 bands: band-A, B, C, D, E, F, G, H), UE reports the related capability value, for a low order band combination (e.g. contains 4 bands (band-A, B, C, D)) which is a subset of the high order band combination, the related capability of the high order band (e.g. switching period capability for A, B, C, D) is not necessarily applicable to the low order band combination.

[0292] 3. Associated-band signaling framework is not applicable to a larger number of transmit chains and receive chains. The current signaling framework indicates to the UE how another chain should be handled when a transmit chain (Tx chain) is moved to, for example, band-A, is it kept on the original band or moved to a specific band. The signaling is configured per specific band with a specific associated band, which is the band to which another Tx chain should be associated when a Tx chain is moved to the specific band. Obviously, this mechanism is only applicable to 2 Tx chains.

[0293] Embodiments of the present application provide an extended Tx / Rx switching mechanism for Tx / Rx switching under the new spectrum usage framework and solve the above problems.

[0294] The wireless communication method provided by the embodiments of the present application can be as shown in FIG. 12, and includes the following steps.

[0295] In S1201, the network device sends an RRC reconfiguration message to the terminal device.

[0296] In S1202, the terminal device sends an RRC reconfiguration completion message to the network device.

[0297] In S1201, the network sends an RRC signaling RRC reconfiguration message to the UE, and configures a target band combination (BC), i.e. a first band combination.

[0298] The RRC signaling contains at least one bandwidth / band combination, wherein the bandwidth / band combination can be a bandwidth / band combination configured for the UE to use immediately, or the at least one bandwidth / band combination is not a bandwidth / band combination configured for the UE to use immediately, but only triggers the UE to report in advance.

[0299] The configuration form of the target BC can be: different bandwidth / frequency band combinations: frequency band combination A and frequency band combination B, used to trigger the UE to report for the frequency band combination A and the frequency band combination B respectively; or one bandwidth / frequency band combination: frequency band combination A, used to trigger the UE to report for the bandwidth / frequency band combination containing at least one bandwidth / frequency band in the frequency band combination A.

[0300] The embodiment of the present application limits the UE report in a limited set of frequency bands / bandwidths through the pre-configuration of S1201, thereby reducing the UE capability report signaling overhead.

[0301] In S1202, the UE reports the capability for the bandwidth / frequency band combination configured by the network. Wherein, the UE reports according to the bandwidth / frequency band combination limited in S1201, thereby limiting the UE report in a limited set of frequency bands / bandwidths, reducing the UE capability report signaling overhead.

[0302] The switching period required in the process of the UE report switching from one bandwidth / frequency band to another bandwidth / frequency band, wherein the switching can be: single chain switching, or 2-chain switching (one chain does not move, or both chains move).

[0303] The report of the UE in the embodiment of the present application facilitates the network device to understand the switching period under the 2-bandwidth / frequency band scenario, and to deduce the switching period under the more than 2-bandwidth / frequency band scenario.

[0304] In S1202, the report of the UE further includes one or more of the following:

[0305] For one chain, the set of bandwidths / frequency bands that can be associated with it, the set is a subset of the target BC limited in S1201;

[0306] For one chain currently in band-A1, the band that can be associated after switching;

[0307] For one switching combination (containing at least 2 bandwidths / frequency bands before and / or after switching), the UE is moving the chain from which bandwidth / frequency band to which bandwidth / frequency band, for example, for the switching of <A1, B1> to <A2, B2>, whether the UE is A1=>A2, B1=>B2 or A1=>B2, B1=>A2.

[0308] In the embodiment of the present application, the report of the UE facilitates the network device to schedule the chain to different frequency bands according to the reported content, and to deduce the switching time of the UE in the switching process.

[0309] The wireless communication method provided by the embodiments of the present application can be as shown in FIG. 13, comprising:

[0310] In S1301, the network device sends an RRC reconfiguration message to the terminal device.

[0311] In S1302, the network device sends layer 1 (L1) signaling to the terminal device.

[0312] In S1301, the network sends RRC signaling to the UE, configures an associated band pattern (band patten), and the band pattern indicates at least one band associated with a fifth band (band-A). The band pattern indicates how the other more than one chain should move (or remain in the current band) when one chain moves to the band-A.

[0313] In the embodiments of the present application, the band pattern indicates the configuration under different numbers of antennas on the band-A. For example, for the case of 4 chains:

[0314] Configuration method 1: for 1Port transmission on the band-A, the configuration of the other 3 chains is indicated, and for 2Port transmission on the band-A, the configuration of the other 2 chains is indicated; or,

[0315] Configuration method 2: the configuration information is configured according to the case of 1port, and for more than 1Port, the UE processes according to the order of configuration. For example: for 1Port transmission on the band-A, the other 3 chains are respectively placed on the bands B, C and D, and if the network indicates 2port transmission on the band-A, the UE deduces that the other 2 chains need to be placed on the bands B and C according to the above configuration.

[0316] In the embodiments of the present application, considering the case of more than 2 chains, the configuration information is further expanded and is applicable to more chain cases.

[0317] In S1303, the network sends L1 signaling to the UE, indicating that the UE performs 1port transmission on the band-A. The UE deduces how to place the other chains according to the L1 signaling and the signaling in S1301.

[0318] Optionally, the L1 signaling directly indicates the associated band of the other chains, wherein the method can override the associated band configured in S1301, or is used to omit the associated band configuration in S1301.

[0319] Optionally, the L1 signaling directly indicates which chain on band-A for 1-port transmission, or which chain on previous band is now used for 1-port transmission on band-A.

[0320] In the embodiments of the present application, through the combination of the "UE reports a bandwidth / frequency band set associated with one chain, and the set is a subset of the bandwidth / frequency band combination defined in step 1" in the wireless communication method shown in FIG. 12, the network can directly control the association relationship between the chain and the band, which can facilitate the network to know the change of the association relationship between the chain and the bandwidth / frequency band before and after the switching, thereby facilitating the derivation of the switching period required for the switching. For example, if the network learns that during <from-band-A1, from-band-B1, from-band-C1> to <from-band-A2, from-band-B2, from-band-C2>, the UE performs A1=>A2, B1=>B2, C1=>C2 switching, instead of A1=>B2, B1=>C2, C1=>A2 switching, the network can derive the overall switching period according to the switching period of A1=>A2, B1=>B2, C1=>C2.

[0321] The preferred embodiments of the present application are described in detail above in combination with the drawings, but the present application is not limited to the specific details in the above-described embodiments. Within the technical concept scope of the present application, various simple modifications can be made to the technical solutions of the present application, and these simple modifications all belong to the protection scope of the present application. For example, in the above-described specific embodiments, various specific technical features described in the embodiments can be combined in any appropriate manner without contradiction. In order to avoid unnecessary repetition, the present application does not further describe various possible combination manners. For another example, various different embodiments of the present application can also be combined in any manner, as long as it does not deviate from the idea of the present application, and it should also be considered as disclosed content of the present application. For another example, under the premise of no conflict, each embodiment described in the present application and / or technical features in each embodiment can be combined with any prior art, and the technical solutions obtained after the combination should also fall within the protection scope of the present application.

[0322] It should also be understood that the size of the sequence number of the above-mentioned processes does not mean the order of execution in various method embodiments of the present application, and the execution order of the processes should be determined according to its function and internal logic, and should not constitute any limitation on the implementation process of the embodiments of the present application. In addition, in the embodiments of the present application, the terms "downlink", "uplink" and "sidelink" are used to represent the transmission direction of signals or data, wherein "downlink" is used to represent the first direction of the transmission direction of signals or data from the station to the user equipment of the cell, "uplink" is used to represent the second direction of the transmission direction of signals or data from the user equipment of the cell to the station, and "sidelink" is used to represent the third direction of the transmission direction of signals or data from user equipment 1 to user equipment 2. For example, "downlink signal" represents that the transmission direction of the signal is the first direction. In addition, in the embodiments of the present application, the term "and / or" is only used to describe the association relationship of the associated objects, and indicates that there can be three relationships. Specifically, A and / or B can represent three cases of A alone, A and B together, and B alone. In addition, the character " / " in this paper generally represents that the front and rear associated objects are in an "or" relationship.

[0323] FIG. 14 is a schematic diagram of an optional structure of a terminal device according to an embodiment of the present application. As shown in FIG. 14, the terminal device 1400 includes:

[0324] The first communication unit 1401 is configured to receive first frequency band information, wherein the first frequency band information is used to indicate one or more first frequency band combinations.

[0325] The first communication unit 1401 is further configured to report one or more first capability information according to the one or more first frequency band combinations, wherein the first capability information is used to report a first switching interval of the terminal device, and the first switching interval is a time interval when a receive chain / transmit chain of the terminal device performs frequency band switching.

[0326] In some embodiments, the first communication unit 1401 is further configured to, if the one or more first frequency band combinations include a plurality of first frequency band combinations, report the first capability information of at least part of the plurality of first frequency band combinations.

[0327] In some embodiments, the first communication unit 1401 is further configured to, if the one or more first frequency band combinations include one first frequency band combination, report the first capability information of at least part of one or more second frequency band combinations, wherein the second frequency band combination includes one or more first frequency bands in the first frequency band combination.

[0328] In some embodiments, the first capability information comprises one or more time information, the time information being used for reporting a time interval in a case that the receiving chain / transmitting chain of the terminal device switches among a first number of frequency bands, wherein different time information corresponds to different first number of frequency bands in a same frequency band combination, the first number being an integer greater than or equal to 2.

[0329] In some embodiments, if the first number is 2, the time information comprises: first time information and / or second time information, the first time information indicating a time interval for single receiving chain / transmitting chain switching in a case that the receiving chain / transmitting chain of the terminal device switches among two frequency bands, the second time information indicating a time interval for double receiving chain / transmitting chain switching in a case that the receiving chain / transmitting chain of the terminal device switches among two frequency bands.

[0330] In some embodiments, the first capability information further comprises one or more of:

[0331] second frequency band information, the second frequency band information being used for indicating a first frequency band set corresponding to a first receiving chain / transmitting chain, the first frequency band set being a set of frequency bands associated with the first receiving chain / transmitting chain, the first frequency band set being a subset of the first frequency band combination or a second frequency band combination, the second frequency band combination comprising one or more first frequency bands in the first frequency band combination;

[0332] third frequency band information, the third frequency band information being used for indicating a second frequency band set corresponding to a third frequency band, the second frequency band set being a set of fourth frequency bands associated with the third frequency band after a receiving chain / transmitting chain switching on the third frequency band;

[0333] fourth frequency band information, the fourth frequency band information being used for indicating one or more switching combinations, the switching combination being a combination of a frequency band before a same receiving chain / transmitting chain switching and a frequency band after the same receiving chain / transmitting chain switching.

[0334] In some embodiments, one of the one or more first frequency band combinations is configured as a frequency band combination used by a receiving chain / transmitting chain of the terminal device for frequency band switching.

[0335] In some embodiments, the first communication unit 1401 is further configured to receive a first radio resource control (RRC) reconfiguration message, the first RRC reconfiguration message containing the first frequency band information.

[0336] In some embodiments, the first communication unit 1401 is further configured to send an RRC reconfiguration complete message in response to the first RRC reconfiguration message, the RRC reconfiguration complete message containing the one or more first capability information.

[0337] The first communication unit in the terminal device can be implemented by a transceiver in the network device. It can be understood that the terminal device can further include a processing unit configured to determine one or more first capability information according to one or more first band combinations.

[0338] FIG. 15 is a schematic diagram of an optional structural component of a network device according to an embodiment of the present application. As shown in FIG. 15, the network device 1500 includes:

[0339] a second communication unit 1501 configured to send first band information, the first band information being used to indicate one or more first band combinations;

[0340] The second communication unit 1501 is further configured to receive one or more first capability information, the one or more first capability information being related to the one or more first band combinations, the first capability information being used to report a first switching interval of the terminal device, the first switching interval being a time interval when a receive chain / transmit chain of the terminal device performs band switching.

[0341] In some embodiments, the second communication unit 1501 is further configured to, if the one or more first band combinations include a plurality of first band combinations, receive the first capability information of at least part of the first band combinations in the plurality of first band combinations.

[0342] In some embodiments, the second communication unit 1501 is further configured to, if the one or more first band combinations include one first band combination, receive first capability information of at least part of a second band combination in one or more second band combinations, the second band combination including one or more first bands in the first band combination.

[0343] In some embodiments, the first capability information includes one or more time information, the time information being used to report a time interval when the receive chain / transmit chain of the terminal device switches on a first number of bands, wherein different time information corresponds to different first number of bands in a same band combination, the first number being an integer greater than or equal to 2.

[0344] In some embodiments, if the first number is 2, the time information includes first time information and second time information, the first time information indicating a time interval when the receive chain / transmit chain of the terminal device switches on two bands in a single receive chain / transmit chain switching, and the second time information indicating a time interval when the receive chain / transmit chain of the terminal device switches on two bands in two receive chain / transmit chain switching.

[0345] In some embodiments, the first capability information further comprises one or more of the following:

[0346] second frequency band information, the second frequency band information being used to indicate a first frequency band set corresponding to the first receive chain / transmit chain, the first frequency band set being a set of frequency bands associated with the first receive chain / transmit chain, the first frequency band set being a subset of the first frequency band combination or a second frequency band combination, the second frequency band combination comprising one or more first frequency bands in the first frequency band combination;

[0347] third frequency band information, the third frequency band information being used to indicate a second frequency band set corresponding to the third frequency band, the second frequency band set being a set of fourth frequency bands associated with the third frequency band after a receive chain / transmit chain switching;

[0348] fourth frequency band information, the fourth frequency band information being used to indicate one or more switching combinations, the switching combination being a combination of a frequency band before the switching and a frequency band after the switching of the same receive chain / transmit chain.

[0349] In some embodiments, one of the first frequency band combinations comprised in the one or more first frequency band combinations is configured as a frequency band combination used by the receive chain / transmit chain of the terminal device for frequency band switching.

[0350] In some embodiments, the second communication unit 1501 is further configured to send a first radio resource control (RRC) reconfiguration message, the first RRC reconfiguration message containing the first frequency band information.

[0351] In some embodiments, the second communication unit 1501 is further configured to receive an RRC reconfiguration complete message in response to the first RRC reconfiguration message, the RRC reconfiguration complete message containing the one or more first capability information.

[0352] The second communication unit in the network device can be implemented by a transceiver in the network device. It can be understood that the network device can further comprise a processing unit configured to determine the first frequency band information. The processing unit can be implemented by a processor in the network device.

[0353] FIG. 16 is a schematic diagram of an optional structural composition of a terminal device according to an embodiment of the present application. As shown in FIG. 16, the terminal device 1600 comprises:

[0354] a third communication unit 1601 configured to receive fifth frequency band information and / or sixth frequency band information, the fifth frequency band information being used to configure an associated frequency band set of each of a plurality of frequency bands in a case where the receive chain / transmit chain of the terminal device performs frequency band switching, the sixth frequency band information being used to indicate an associated frequency band set of the fifth frequency band, the associated frequency band set of one frequency band comprising one or more associated frequency bands of the corresponding frequency band.

[0355] In some embodiments, the fifth frequency band information comprises first information corresponding to each of the plurality of frequency bands, the first information being used to indicate an associated frequency band set of the frequency band.

[0356] In some embodiments, the first information being used to indicate an associated frequency band set of the frequency band comprises: the first information being used to indicate associated frequency band sets of the frequency band applied to different numbers of receive chains / transmit chains.

[0357] In some embodiments, the first information being used to indicate a plurality of third frequency band sets corresponding to the frequency band, different third frequency band sets being associated frequency band sets of the frequency band applied to different numbers of receive chains / transmit chains.

[0358] In some embodiments, the first information being used to indicate a fourth frequency band set, the fourth frequency band set comprising an associated frequency band set of the frequency band applied to one receive chain / transmit chain.

[0359] In some embodiments, the associated frequency band set of the frequency band applied to a second number of receive chains / transmit chains is a subset of the fourth frequency band set, the second number being an integer greater than one.

[0360] In some embodiments, the third communication unit 1601 is further configured to receive a second RRC reconfiguration message, the second RRC reconfiguration message comprising the fifth frequency band information.

[0361] In some embodiments, the third communication unit 1601 is further configured to receive indication information, the indication information being used to indicate that the terminal device transmits on the fifth frequency band and the fifth frequency band is applied to a third number of receive chains / transmit chains.

[0362] In some embodiments, the plurality of frequency bands comprises the fifth frequency band, and the fifth frequency band information is used to determine an associated frequency band set of the fifth frequency band.

[0363] In some embodiments, the third communication unit 1601 is further configured to send second capability information, the second capability information being used to determine a second receive chain / transmit chain to which the fifth frequency band is applied, or the second capability information being used to determine a frequency band associated with a receive chain / transmit chain of the fifth frequency band before switching.

[0364] In some embodiments, the second capability information comprises one or more of:

[0365] seventh frequency band information, the seventh frequency band information being used to indicate a fifth frequency band set, the fifth frequency band set comprising the fifth frequency band, the fifth frequency band set being a set of frequency bands associated with the second receive chain / transmit chain.

[0366] eighth frequency band information, the eighth frequency band information being used to indicate a sixth frequency band set corresponding to the fifth frequency band, the sixth frequency band set being a set of frequency bands associated after a receive chain / transmit chain switching on the fifth frequency band;

[0367] ninth frequency band information, the ninth frequency band information being used to indicate one or more switching combinations, the switching combination being a combination of a frequency band before a same receive chain / transmit chain switching and a frequency band after the switching, the frequency band after the switching being the fifth frequency band.

[0368] In some embodiments, the third communication unit 1601 is further configured to receive first frequency band information, the first frequency band information being used to indicate one or more first frequency band combinations, the fifth frequency band set being a subset of the first frequency band combinations or a second frequency band combination, the second frequency band combination including one or more first frequency bands in the first frequency band combinations.

[0369] In some embodiments, the third communication unit 1601 is further configured to receive layer 1 signaling, the layer 1 signaling containing the indication information.

[0370] In some embodiments, the layer 1 signaling further contains the sixth frequency band information.

[0371] The third communication unit in the terminal device can be implemented by a transceiver in the network device. It can be understood that the terminal device can further include a processing unit for processing or parsing the fifth frequency band information and / or the sixth frequency band information. The processing unit can be implemented by a processor in the terminal device.

[0372] In the embodiments of the present application, the third communication unit and the first communication unit in the terminal device can be the same or different communication units.

[0373] FIG. 17 is a schematic diagram of an optional structural composition of a network device according to an embodiment of the present application. As shown in FIG. 17, the network device 1700 includes:

[0374] a fourth communication unit 1701 configured to send fifth frequency band information and / or sixth frequency band information, the fifth frequency band information being used to configure an associated frequency band set of each frequency band in a plurality of frequency bands in a case where a receive chain / transmit chain of the terminal device performs a frequency band switching, the sixth frequency band information being used to indicate an associated frequency band set of the fifth frequency band, the associated frequency band set of a frequency band including one or more associated frequency bands of the corresponding frequency band.

[0375] In some embodiments, the fifth frequency band information includes first information corresponding to each frequency band in the plurality of frequency bands, the first information being used to indicate the associated frequency band set of the frequency band.

[0376] In some embodiments, the first information is used to indicate an associated band set of the frequency band, including: the first information is used to indicate an associated band set of the frequency band applied to different numbers of receive chains / transmit chains.

[0377] In some embodiments, the first information is used to indicate a plurality of third band sets corresponding to the frequency band, different third band sets being associated band sets of the frequency band applied to different numbers of receive chains / transmit chains.

[0378] In some embodiments, the first information is used to indicate a fourth band set, the fourth band set including an associated band set of the frequency band applied to 1 receive chain / transmit chain;

[0379] wherein, in the case of the frequency band applied to a second number of receive chains / transmit chains, the associated band set of the frequency band is a subset of the fourth band set, the second number being an integer greater than 1.

[0380] In some embodiments, the fourth communication unit 1701 is further configured to send a second RRC reconfiguration message, the second RRC reconfiguration message containing the fifth band information.

[0381] In some embodiments, the fourth communication unit 1701 is further configured to send indication information, the indication information being used to indicate that the terminal device transmits on the fifth frequency band and the fifth frequency band is applied to a third number of receive chains / transmit chains.

[0382] In some embodiments, the plurality of frequency bands includes the fifth frequency band, and the fifth band information is used to determine an associated band set of the fifth frequency band.

[0383] In some embodiments, the fourth communication unit 1701 is further configured to receive second capability information, the second capability information being used to determine a second receive chain / transmit chain to which the fifth frequency band is applied, or the second capability information being used to determine a frequency band associated with a receive chain / transmit chain of the fifth frequency band before switching.

[0384] In some embodiments, the second capability information includes one or more of:

[0385] seventh band information, the seventh band information being used to indicate a fifth band set, the fifth band set including the fifth frequency band, the fifth band set being a set of frequency bands associated with the second receive chain / transmit chain;

[0386] eighth band information, the eighth band information being used to indicate a sixth band set corresponding to the fifth frequency band, the sixth band set being a set of frequency bands associated with the fifth frequency band after switching of a receive chain / transmit chain on the fifth frequency band.

[0387] a ninth frequency band information, the ninth frequency band information being used for indicating one or more switching combinations, the switching combination being a combination of a frequency band before a same receive chain / transmit chain switching and a frequency band after the switching, the frequency band after the switching being the fifth frequency band.

[0388] In some embodiments, the fourth communication unit 1701 is further configured to transmit first frequency band information, the first frequency band information being used for indicating one or more first frequency band combinations, the fifth frequency band set being a subset of the first frequency band combinations or the second frequency band combinations, the second frequency band combinations comprising one or more first frequency bands in the first frequency band combinations.

[0389] In some embodiments, the fourth communication unit 1701 is further configured to transmit layer 1 signaling, the layer 1 signaling containing the indication information.

[0390] In some embodiments, the layer 1 signaling further contains the sixth frequency band information.

[0391] The fourth communication unit in the network device can be implemented by a transceiver in the network device. It can be understood that the network device can further comprise a processing unit for determining the fifth frequency band information and / or the sixth frequency band information. The processing unit can be implemented by a processor in the network device.

[0392] In the embodiments of the present application, the fourth communication unit and the second communication unit in the network device can be the same or different communication units.

[0393] Those skilled in the art should understand that the above description of the devices of the embodiments of the present application can be understood with reference to the description of the wireless communication method of the embodiments of the present application.

[0394] FIG. 18 is a schematic structural diagram of a communication device 1800 provided by the embodiments of the present application. The communication device can be a terminal device or a network device. The communication device 1800 shown in FIG. 18 comprises a processor 1810, which can call and run a computer program from a memory to implement the method in the embodiments of the present application.

[0395] Optionally, as shown in FIG. 18, the communication device 1800 can further comprise a memory 1820. The processor 1810 can call and run a computer program from the memory 1820 to implement the method in the embodiments of the present application.

[0396] The memory 1820 can be a separate device independent of the processor 1810, or can be integrated in the processor 1810.

[0397] Optionally, as shown in FIG. 18, the communication device 1800 can further include a transceiver 1830, which can be controlled by the processor 1810 to communicate with other devices, specifically, to send information or data to other devices, or to receive information or data sent by other devices.

[0398] The transceiver 1830 can include a transmitter and a receiver. The transceiver 1830 can further include an antenna, and the number of antennas can be one or more.

[0399] Optionally, the communication device 1800 can be specifically a network device of the embodiments of the present application, and the communication device 1800 can implement the corresponding processes in the various methods of the embodiments of the present application performed by the network device. For brevity, details are not described here.

[0400] Optionally, the communication device 1800 can be specifically a mobile terminal / terminal device of the embodiments of the present application, and the communication device 1800 can implement the corresponding processes in the various methods of the embodiments of the present application performed by the mobile terminal / terminal device. For brevity, details are not described here.

[0401] FIG. 19 is a schematic structural diagram of a chip according to an embodiment of the present application. The chip 1900 shown in FIG. 19 includes a processor 1910, which can call and run a computer program from a memory to implement the method in the embodiments of the present application.

[0402] Optionally, as shown in FIG. 19, the chip 1900 can further include a memory 1920. The processor 1910 can call and run a computer program from the memory 1920 to implement the method in the embodiments of the present application.

[0403] The memory 1920 can be a separate device independent of the processor 1910, or can be integrated in the processor 1910.

[0404] Optionally, the chip 1900 can further include an input interface 1930. The processor 1910 can control the input interface 1930 to communicate with other devices or chips, specifically, to obtain information or data sent by other devices or chips.

[0405] Optionally, the chip 1900 can further include an output interface 1940. The processor 1910 can control the output interface 1940 to communicate with other devices or chips, specifically, to output information or data to other devices or chips.

[0406] Optionally, the chip can be applied to a network device in the embodiments of the present application, and the chip can implement the corresponding processes in the various methods of the embodiments of the present application performed by the network device. For brevity, details are not described here.

[0407] Optionally, the chip can be applied to the mobile terminal / terminal device in the embodiments of the present application, and the chip can implement the corresponding procedures implemented by the mobile terminal / terminal device in the various methods of the embodiments of the present application. For brevity, details are not repeated here.

[0408] It should be understood that the chip mentioned in the embodiments of the present application can also be referred to as a system chip, a system chip, a chip system or a system on chip, etc.

[0409] FIG. 20 is a schematic block diagram of a communication system 2000 provided by the embodiments of the present application. As shown in FIG. 20, the communication system 2000 includes a terminal device 2010 and a network device 2020.

[0410] The terminal device 2010 can be used to implement the corresponding functions implemented by the terminal device in the above methods, and the network device 2020 can be used to implement the corresponding functions implemented by the network device in the above methods. For brevity, details are not repeated here.

[0411] It should be understood that the processor of the embodiments of the present application can be an integrated circuit chip with signal processing capability. In the implementation process, each step of the above method embodiments can be completed by integrated logic circuits or instructions in the form of software in the processor. The processor mentioned above can be a general processor, a digital signal processor (Digital Signal Processor, DSP), an application specific integrated circuit (Application Specific Integrated Circuit, ASIC), a field programmable gate array (Field Programmable Gate Array, FPGA) or other programmable logic device, discrete gate or transistor logic device, discrete hardware component. Each method, step and logic block disclosed in the embodiments of the present application can be implemented or executed. The general processor can be a microprocessor or the processor can be any conventional processor. The steps of the method disclosed in conjunction with the embodiments of the present application can be directly embodied as a hardware coding processor for execution, or a combination of hardware and software modules in the coding processor for execution. The software module can be located in a random access memory, a flash memory, a read only memory, a programmable read only memory or an electrically erasable programmable memory, a register, etc. The storage medium in the art. The storage medium is located in the memory, and the processor reads the information in the memory, and combines the hardware to complete the steps of the above method.

[0412] It is to be understood that the memory in the embodiments of the present application can be a volatile memory or a nonvolatile memory, or can include both volatile and nonvolatile memory. Among them, the nonvolatile memory can be a read-only memory (Read-Only Memory, ROM), a programmable read-only memory (Programmable ROM, PROM), an erasable programmable read-only memory (Erasable PROM, EPROM), an electrically erasable programmable read-only memory (Electrically EPROM, EEPROM) or a flash memory. The volatile memory can be a random access memory (Random Access Memory, RAM) used as an external cache. By way of example, but not limitation, many forms of RAM are available, such as static random access memory (Static RAM, SRAM), dynamic random access memory (Dynamic RAM, DRAM), synchronous dynamic random access memory (Synchronous DRAM, SDRAM), double data rate synchronous dynamic random access memory (Double Data Rate SDRAM, DDR SDRAM), enhanced synchronous dynamic random access memory (Enhanced SDRAM, ESDRAM), synchronous link dynamic random access memory (Synchlink DRAM, SLDRAM) and direct memory bus random access memory (Direct Rambus RAM, DR RAM). It should be noted that the memory of the system and method described herein is intended to include, but not limited to, these and any other suitable types of memory.

[0413] It should be understood that the above-mentioned memory is exemplary but not limiting, for example, the memory in the embodiments of the present application can also be static random access memory (static RAM, SRAM), dynamic random access memory (dynamic RAM, DRAM), synchronous dynamic random access memory (synchronous DRAM, SDRAM), double data rate synchronous dynamic random access memory (double data rate SDRAM, DDR SDRAM), enhanced synchronous dynamic random access memory (enhanced SDRAM, ESDRAM), synchronous link dynamic random access memory (synch link DRAM, SLDRAM) and direct memory bus random access memory (Direct Rambus RAM, DR RAM) and the like. That is, the memory in the embodiments of the present application is intended to include, but not limited to, these and any other suitable types of memory.

[0414] The embodiment of the present application further provides a computer readable storage medium for storing the computer program.

[0415] Optionally, the computer readable storage medium can be applied to the mobile terminal / terminal device in the embodiment of the present application, and the computer program makes the computer execute the corresponding process realized by the mobile terminal / terminal device in the various methods of the embodiment of the present application, which will not be repeated here for the sake of brevity.

[0416] Optionally, the computer readable storage medium can be applied to the network device in the embodiment of the present application, and the computer program makes the computer execute the corresponding process realized by the mobile terminal / terminal device in the various methods of the embodiment of the present application, which will not be repeated here for the sake of brevity.

[0417] The embodiment of the present application further provides a computer program product comprising computer program instructions.

[0418] Optionally, the computer program product can be applied to the mobile terminal / terminal device in the embodiment of the present application, and the computer program instructions make the computer execute the corresponding process realized by the mobile terminal / terminal device in the various methods of the embodiment of the present application, which will not be repeated here for the sake of brevity.

[0419] Optionally, the computer program product can be applied to the network device in the embodiment of the present application, and the computer program instructions make the computer execute the corresponding process realized by the mobile terminal / terminal device in the various methods of the embodiment of the present application, which will not be repeated here for the sake of brevity.

[0420] The embodiment of the present application further provides a computer program.

[0421] Optionally, the computer program can be applied to the mobile terminal / terminal device in the embodiment of the present application, and when the computer program runs on the computer, makes the computer execute the corresponding process realized by the mobile terminal / terminal device in the various methods of the embodiment of the present application, which will not be repeated here for the sake of brevity.

[0422] Optionally, the computer program can be applied to the network device in the embodiment of the present application, and when the computer program runs on the computer, makes the computer execute the corresponding process realized by the mobile terminal / terminal device in the various methods of the embodiment of the present application, which will not be repeated here for the sake of brevity.

[0423] Those skilled in the art can clearly understand that the units and algorithm steps of each example described in combination with the embodiments disclosed herein can be realized by electronic hardware or a combination of computer software and electronic hardware. Whether the functions are performed in hardware or software depends on the specific application and design constraints of the technical solution. Those skilled in the art can use different methods to implement the described functions for each specific application, but such implementation should not be considered beyond the scope of the present application.

[0424] Those skilled in the art can clearly understand that, for the convenience and brevity of the description, the specific working processes of the above-described system, device and unit can refer to the corresponding processes in the foregoing method embodiments, which will not be repeated here.

[0425] In several embodiments provided in the present application, it should be understood that the disclosed system, device and method can be implemented in other ways. For example, the above-described device embodiments are only schematic, for example, the division of the units is only a logical function division, and actual implementation can have another division manner, for example, a plurality of units or components can be combined or integrated into another system, or some features can be ignored or not executed. In addition, the coupling or direct coupling or communication connection between the units shown or discussed can be indirect coupling or communication connection through some interface, device or unit, and can be electrical, mechanical or other forms.

[0426] The units described as separate components can or can not be physically separated, and the components shown as units can or can not be physical units, that is, they can be located in one place, or can be distributed on a plurality of network units. Part or all of the units can be selected according to actual needs to achieve the purpose of the embodiment.

[0427] In addition, each functional unit in each embodiment of the present application can be integrated into a processing unit, or each unit can exist physically independently, or two or more units can be integrated into one unit.

[0428] If the functions are implemented in the form of software function units and sold or used as independent products, they can be stored in a computer readable storage medium. Based on this understanding, the technical solutions of the present application or the parts of the technical solutions that essentially contribute to the prior art or the parts of the technical solutions can be embodied in the form of a software product. The computer software product is stored in a storage medium and includes a plurality of instructions for causing a computer device (which can be a personal computer, a server, or a network device, etc.) to execute all or part of the steps of the methods described in the various embodiments of the present application. The aforementioned storage medium includes a U disk, a mobile hard disk, a read-only memory (ROM), a random access memory (RAM), a magnetic disk or an optical disk, and various media that can store program codes.

[0429] The above is only a specific implementation of the present application, but the protection scope of the present application is not limited thereto. Any person skilled in the art can easily think of changes or replacements within the technical scope disclosed in the present application, which should be covered within the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. A method of wireless communication, the method comprising: receiving, by a terminal device, first band information, the first band information being used to indicate one or more first band combinations; reporting, by the terminal device, one or more first capability information according to the one or more first band combinations, the first capability information being used to report a first switching interval of the terminal device, the first switching interval being a time interval of a receive chain / transmit chain of the terminal device in a case of switching bands.

2. The method of claim 1, wherein, if the one or more first band combinations comprise a plurality of first band combinations, the reporting, by the terminal device, of the first capability information according to the one or more first band combinations comprises: reporting, by the terminal device, the first capability information of at least part of the plurality of first band combinations.

3. The method of claim 1, wherein, if the one or more first band combinations comprise one first band combination, the reporting, by the terminal device, of the one or more first capability information according to the one or more first band combinations comprises: reporting, by the terminal device, the first capability information of at least part of one or more second band combinations, the second band combinations comprising one or more first bands in the first band combination.

4. The method according to any one of claims 1 to 3, wherein, the first capability information comprises one or more time information, the time information being used to report a time interval of a receive chain / transmit chain of the terminal device in a case of switching a first number of bands, wherein different time information corresponds to different first number of bands in a same band combination, the first number being an integer greater than or equal to 2.

5. The method of claim 4, wherein, if the first number is 2, the time information comprises first time information and / or second time information, the first time information indicating a time interval of a single receive chain / transmit chain switching of the receive chain / transmit chain of the terminal device in a case of switching two bands, the second time information indicating a time interval of two receive chain / transmit chain switching of the receive chain / transmit chain of the terminal device in a case of switching two bands.

6. The method of claim 4 or 5, wherein, the first capability information further comprises one or more of: second band information, the second band information being used to indicate a first band set corresponding to a first receive chain / transmit chain, the first band set being a set of bands associated with the first receive chain / transmit chain, the first band set being a subset of the first band combination or a second band combination, the second band combination comprising one or more first bands in the first band combination; third band information, the third band information being used to indicate a second band set corresponding to a third band, the second band set being a set of fourth bands associated with the third band after a receive chain / transmit chain switching of the third band; fourth band information, the fourth band information being used to indicate one or more switching combinations, the switching combination being a combination of a band before a same receive chain / transmit chain switching and a band after the switching.

7. The method according to any one of claims 1 to 6, wherein, one first band combination comprised in the one or more first band combinations is configured as a band combination used by a receive chain / transmit chain of the terminal device for band switching.

8. The method according to any one of claims 1 to 7, wherein, The terminal device receives first frequency band information, including: The terminal device receives a first radio resource control (RRC) reconfiguration message, and the first RRC reconfiguration message contains the first frequency band information.

9. The method of claim 8, wherein, The terminal device reports one or more first capability information according to the one or more first frequency band combinations, including: The terminal device sends an RRC reconfiguration complete message in response to the first RRC reconfiguration message, and the RRC reconfiguration complete message contains the one or more first capability information.

10. A wireless communication method, the method comprising: The terminal device receives fifth frequency band information and / or sixth frequency band information, the fifth frequency band information is used to configure an associated frequency band set of each frequency band in a plurality of frequency bands in a case where a receive chain / transmit chain of the terminal device performs frequency band switching, and the sixth frequency band information is used to indicate an associated frequency band set of a fifth frequency band, the associated frequency band set of a frequency band includes one or more associated frequency bands of the corresponding frequency band.

11. The method of claim 10, wherein, The fifth frequency band information includes first information corresponding to each frequency band in the plurality of frequency bands, and the first information is used to indicate the associated frequency band set of the frequency band.

12. The method of claim 11, wherein, The first information is used to indicate the associated frequency band set of the frequency band, including: The first information is used to indicate the associated frequency band set of the frequency band in a case where a different number of receive chains / transmit chains is applied.

13. The method of claim 12, wherein, The first information is used to indicate a plurality of third frequency band sets corresponding to the frequency band, and different third frequency band sets are associated frequency band sets applied to the frequency band in a case where a different number of receive chains / transmit chains is applied.

14. The method of claim 12, wherein, The first information is used to indicate a fourth frequency band set, and the fourth frequency band set includes an associated frequency band set applied to the frequency band in a case where one receive chain / transmit chain is applied. Wherein, in a case where a second number of receive chains / transmit chains is applied, the associated frequency band set of the frequency band is a subset of the fourth frequency band set, and the second number is an integer greater than 1.

15. The method according to any one of claims 10 to 14, wherein, The terminal device receives fifth frequency band information, including: The terminal device receives a second RRC reconfiguration message, and the second RRC reconfiguration message contains the fifth frequency band information.

16. The method according to any one of claims 10 to 15, wherein, The method further comprises: The terminal device receives indication information, and the indication information is used to indicate that the terminal device transmits on the fifth frequency band and the fifth frequency band is applied to a third number of receive chains / transmit chains.

17. The method of claim 16, wherein, The plurality of frequency bands includes the fifth frequency band, and the fifth frequency band information is used to determine the associated frequency band set of the fifth frequency band.

18. The method of claim 16 or 17, wherein, The method further comprises: The terminal device sends second capability information, and the second capability information is used to determine the second receive chain / transmit chain to which the fifth frequency band is applied, or the second capability information is used to determine the frequency band associated with the receive chain / transmit chain before switching to the fifth frequency band.

19. The method of claim 18, wherein, The second capability information includes one or more of the following: Seventh frequency band information, the seventh frequency band information is used to indicate a fifth frequency band set, the fifth frequency band set includes the fifth frequency band, and the fifth frequency band set is a set of frequency bands associated with the second receive chain / transmit chain; eighth frequency band information, the eighth frequency band information being used for indicating a sixth frequency band set corresponding to the fifth frequency band, the sixth frequency band set being a set of frequency bands associated after a receive chain / transmit chain switching on the fifth frequency band; ninth frequency band information, the ninth frequency band information being used for indicating one or more switching combinations, the switching combination being a combination of a frequency band before the same receive chain / transmit chain switching and a frequency band after the switching, the frequency band after the switching being the fifth frequency band.

20. The method of claim 19, wherein, The method further includes: The terminal device receives first frequency band information, the first frequency band information being used for indicating one or more first frequency band combinations, the fifth frequency band set being a subset of the first frequency band combinations or second frequency band combinations, the second frequency band combinations including one or more first frequency bands in the first frequency band combinations.

21. The method of any one of claims 16 to 20, wherein, The terminal device receives indication information, including: The terminal device receives layer 1 signaling, the layer 1 signaling containing the indication information.

22. The method of claim 21, wherein, The layer 1 signaling further contains the sixth frequency band information.

23. A wireless communication method, the method comprising: a network device sending first frequency band information, the first frequency band information being used for indicating one or more first frequency band combinations; The network device receives one or more first capability information, the one or more first capability information being related to the one or more first frequency band combinations, the first capability information being used for reporting a first switching interval of the terminal device, the first switching interval being a time interval of a receive chain / transmit chain of the terminal device in a case of frequency band switching.

24. The method of claim 23, wherein, If the one or more first frequency band combinations include a plurality of first frequency band combinations, the network device receives one or more first capability information, including: The network device receives the first capability information of at least part of the first frequency band combinations in the plurality of first frequency band combinations.

25. The method of claim 23, wherein, If the one or more first frequency band combinations include one first frequency band combination, the network device receives one or more first capability information, including: The network device receives the first capability information of at least part of the second frequency band combinations in the one or more second frequency band combinations, the second frequency band combinations including one or more first frequency bands in the first frequency band combination.

26. The method of any one of claims 23 to 25, wherein, The first capability information includes: one or more time information, the time information being used for reporting a time interval of the receive chain / transmit chain of the terminal device in a case of switching on a first number of frequency bands, wherein different time information corresponds to different first number of frequency bands in a same frequency band combination, the first number being an integer greater than or equal to 2.

27. The method of claim 26, wherein, If the first number is 2, the time information includes: first time information and / or second time information, the first time information indicating a time interval of a single receive chain / transmit chain switching of the receive chain / transmit chain of the terminal device in a case of switching on two frequency bands, the second time information indicating a time interval of two receive chain / transmit chain switching of the receive chain / transmit chain of the terminal device in a case of switching on two frequency bands.

28. The method of claim 26 or 27, wherein, The first capability information further includes one or more of: second frequency band information, the second frequency band information being used to indicate a first frequency band set corresponding to the first receiving chain / transmitting chain, the first frequency band set being a set of frequency bands associated with the first receiving chain / transmitting chain, the first frequency band set being a subset of the first frequency band combination or the second frequency band combination, the second frequency band combination including one or more first frequency bands in the first frequency band combination; third frequency band information, the third frequency band information being used to indicate a second frequency band set corresponding to the third frequency band, the second frequency band set being a set of fourth frequency bands associated with the third frequency band after a receiving chain / transmitting chain switching; fourth frequency band information, the fourth frequency band information being used to indicate one or more switching combinations, the switching combination being a combination of a frequency band before the same receiving chain / transmitting chain switching and a frequency band after the switching.

29. The method of any one of claims 23 to 28, wherein, One first frequency band combination included in the one or more first frequency band combinations is configured as a frequency band combination used by a receiving chain / transmitting chain of the terminal device for frequency band switching.

30. The method of any one of claims 23 to 29, wherein, The network device transmits the first frequency band information, including: The network device transmits a first radio resource control (RRC) reconfiguration message, and the first RRC reconfiguration message includes the first frequency band information.

31. The method of claim 30, wherein, The network device receives one or more first capability information, including: The network device receives an RRC reconfiguration complete message in response to the first RRC reconfiguration message, and the RRC reconfiguration complete message includes the one or more first capability information.

32. A wireless communication method, the method comprising: The network device transmits fifth frequency band information and / or sixth frequency band information, the fifth frequency band information being used to configure an associated frequency band set of each frequency band in a plurality of frequency bands in a case where a receiving chain / transmitting chain of the terminal device performs frequency band switching, and the sixth frequency band information being used to indicate an associated frequency band set of a fifth frequency band, the associated frequency band set of one frequency band including one or more associated frequency bands of the corresponding frequency band.

33. The method of claim 32, wherein, The fifth frequency band information includes first information corresponding to each frequency band in the plurality of frequency bands, and the first information is used to indicate the associated frequency band set of the frequency band.

34. The method of claim 33, wherein, The first information is used to indicate the associated frequency band set of the frequency band, including: The first information is used to indicate the associated frequency band set of the frequency band in a case where a different number of receiving chains / transmitting chains is applied.

35. The method of claim 34, wherein, The first information is used to indicate a plurality of third frequency band sets corresponding to the frequency band, and different third frequency band sets are associated frequency band sets of the frequency band in a case where a different number of receiving chains / transmitting chains is applied.

36. The method of claim 34, wherein, The first information is used to indicate a fourth frequency band set, and the fourth frequency band set includes an associated frequency band set of the frequency band in a case where 1 receiving chain / transmitting chain is applied. In a case where a second number of receiving chains / transmitting chains is applied, the associated frequency band set of the frequency band is a subset of the fourth frequency band set, and the second number is an integer greater than 1.

37. The method of any one of claims 32 to 36, wherein, The network device transmits the fifth frequency band information, including: The network device transmits a second RRC reconfiguration message, and the second RRC reconfiguration message includes the fifth frequency band information.

38. The method of any one of claims 32 to 37, wherein, The method further comprises: The network device sends indication information, the indication information being used to indicate that the terminal device transmits on the fifth frequency band and the fifth frequency band is applied to a third number of receive chains / transmit chains.

39. The method of claim 38, wherein, The plurality of frequency bands includes the fifth frequency band, and the fifth frequency band information is used to determine an associated frequency band set of the fifth frequency band.

40. The method of claim 38 or 39, wherein, The method further includes: The network device receives second capability information, the second capability information being used to determine a second receive chain / transmit chain to which the fifth frequency band is applied, or the second capability information being used to determine a frequency band to which a receive chain / transmit chain switched to the fifth frequency band is associated before switching.

41. The method of claim 40, wherein, The second capability information includes one or more of: Seventh frequency band information, the seventh frequency band information being used to indicate a fifth frequency band set, the fifth frequency band set including the fifth frequency band, and the fifth frequency band set being a set of frequency bands associated with the second receive chain / transmit chain; Eighth frequency band information, the eighth frequency band information being used to indicate a sixth frequency band set corresponding to the fifth frequency band, the sixth frequency band set being a set of frequency bands associated with the receive chain / transmit chain after switching on the fifth frequency band; Ninth frequency band information, the ninth frequency band information being used to indicate one or more switching combinations, the switching combination being a combination of a frequency band before switching and a frequency band after switching of the same receive chain / transmit chain, and the frequency band after switching being the fifth frequency band.

42. The method of claim 41, wherein, The method further includes: The network device sends first frequency band information, the first frequency band information being used to indicate one or more first frequency band combinations, and the fifth frequency band set being a subset of the first frequency band combinations or second frequency band combinations, the second frequency band combinations including one or more first frequency bands in the first frequency band combinations.

43. The method of any one of claims 38 to 42, wherein, The network device sends indication information, including: The network device sends layer 1 signaling, the layer 1 signaling containing the indication information.

44. The method of claim 43, wherein, The layer 1 signaling further contains the sixth frequency band information.

45. A terminal device, comprising: A first communication unit configured to receive first frequency band information, the first frequency band information being used to indicate one or more first frequency band combinations; The first communication unit is further configured to report one or more first capability information according to the one or more first frequency band combinations, the first capability information being used to report a first switching interval of the terminal device, the first switching interval being a time interval in a case where a receive chain / transmit chain of the terminal device performs frequency band switching.

46. A network device, comprising: A second communication unit configured to send first frequency band information, the first frequency band information being used to indicate one or more first frequency band combinations; The second communication unit is further configured to receive one or more first capability information according to the one or more first frequency band combinations, the first capability information being used to report a first switching interval of the terminal device, the first switching interval being a time interval in a case where a receive chain / transmit chain of the terminal device performs frequency band switching.

47. A terminal device, comprising: a third communication unit configured to receive fifth band information and / or sixth band information, the fifth band information being used to configure an associated band set of each of a plurality of bands in a case where a receive chain / transmit chain of the terminal device performs band switching, the sixth band information being used to indicate an associated band set of a fifth band, the associated band set of one band including one or more associated bands of the corresponding band.

48. A network device comprising: a fourth communication unit configured to transmit fifth band information and / or sixth band information, the fifth band information being used to configure an associated band set of each of a plurality of bands in a case where a receive chain / transmit chain of the terminal device performs band switching, the sixth band information being used to indicate an associated band set of a fifth band, the associated band set of one band including one or more associated bands of the corresponding band.

49. A terminal device comprising: a transceiver, a processor and a memory, the memory being configured to store a computer program, the processor being configured to invoke and run the computer program stored in the memory to cooperate with the transceiver to perform the method of any one of claims 1 to 9, or to perform the method of any one of claims 10 to 22.

50. A network device comprising: a transceiver, a processor and a memory, the memory being configured to store a computer program, the processor being configured to invoke and run the computer program stored in the memory to cooperate with the transceiver to perform the method of any one of claims 23 to 31, or to perform the method of any one of claims 32 to 44.

51. A chip comprising: a processor configured to invoke and run a computer program from a memory, so that a device in which the chip is installed performs the method of any one of claims 1 to 19, or performs the method of any one of claims 10 to 22, or performs the method of any one of claims 23 to 31, or performs the method of any one of claims 32 to 44.

52. A computer readable storage medium configured to store a computer program, the computer program causing a computer to perform the method of any one of claims 1 to 19, or to perform the method of any one of claims 10 to 22, or to perform the method of any one of claims 23 to 31, or to perform the method of any one of claims 32 to 44.

53. A computer program product comprising computer program instructions, the computer program instructions causing a computer to perform the method of any one of claims 1 to 19, or to perform the method of any one of claims 10 to 22, or to perform the method of any one of claims 23 to 31, or to perform the method of any one of claims 32 to 44.

54. A computer program, the computer program causing a computer to perform the method of any one of claims 1 to 19, or to perform the method of any one of claims 10 to 22, or to perform the method of any one of claims 23 to 31, or to perform the method of any one of claims 32 to 44.

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