Transmission setting indicator TCI status indication method and apparatus

Abstract

An embodiment of the present disclosure provides a transmission configuration indicator (TCI) state indication method, the method being applied to a terminal, comprising: receiving transmission configuration indicator (TCI) state indication information transmitted from a base station; and updating a target state of a component carrier or a band portion in a component carrier CC list based on the TCI state indication information, the CC list being preconfigured by the base station for the terminal; the CC list corresponding to a plurality of TCI states or a plurality of TCI state groups; the CC list being one or more; and the target state of the component carrier or band portion including a TCI state of a component carrier, a TCI state group of a component carrier, a TCI state of a band portion, or a TCI state group of a band portion. The transmission configuration indicator (TCI) state indication method and apparatus according to the embodiment of the present disclosure reduce overhead of transmission configuration indicator (TCI) state indication signaling and ensure transmission of an mTRP.

Description

Technical Field

[0001] This application claims the priority of a Chinese patent application filed on August 12, 2022, with the application number 202210969354.1 and the invention title " Transmission setting indicator TCI status indication method and apparatus ", which is incorporated herein by reference in its entirety.

[0002] This disclosure relates to the field of wireless communication technologies, and particularly to a method and apparatus for indicating a transmission configuration indicator (TCI) state.

Background Art

[0003] Taking the carrier aggregation scenario as an example, for a multi-transmission reception point (mTRP) scenario, different component carriers (CCs) / bandwidth parts (BWPs) can be transmitted at a single transmission reception point (sTRP) or an mTRP. Furthermore, different CCs transmitted at the mTRP can be further set as mTRP transmission based on single downlink control information (S-DCI) or mTRP transmission based on multi-downlink control information (M-DCI).

[0004] However, in the related art, in a multi-TRP scenario, one downlink control information (DCI) signaling indicates to one CC to update the transmission configuration indicator (TCI) state. When updating the CCs of the same TRP, it is necessary to adopt multiple DCI signalings, resulting in a large signaling overhead.

Summary of the Invention

[0005] To address the problems present in related technologies, embodiments of this disclosure provide a transmission setting indicator TCI status indication method and apparatus. [Means for solving the problem]

[0006] In the first embodiment, an embodiment of the present disclosure provides a transmission setting indicator TCI status indication method applied to a terminal, the method being: Receiving transmission setting indicator TCI status information transmitted from the base station, This includes updating the target state of a component carrier or bandwidth portion in the component carrier CC list based on the TCI state indication information. The CC list is pre-configured by the base station for the terminal, the CC list corresponds to a plurality of TCI states or a plurality of TCI state groups, the CC list is one or more, and the target state of the component carrier or band portion includes the TCI state of the component carrier, the TCI state group of the component carrier, the TCI state of the band portion, or the TCI state group of the band portion.

[0007] As an option, the CC list is, A CC list configured individually for each TRP. A CC list set based on the TRP transmission type corresponding to the component carrier or bandwidth portion, or Includes any type or combination thereof of a CC list configured based on DCI mode.

[0008] As an option, updating the target state of a component carrier or bandwidth portion in the component carrier CC list based on the TCI state indication information described above is: This includes updating the target state of the corresponding component carrier or bandwidth portion of the TCI state indication information based on the TCI state indication information.

[0009] Optionally, the component carrier or bandwidth portion in the CC list is The component carrier or bandwidth portion of the single downlink control information S-DC mode, and / or Includes the component carrier or bandwidth portion of the multi-downlink control information M-DCI mode, Updating the target state of a component carrier or bandwidth portion in the component carrier CC list based on the aforementioned TCI state instruction information is: If the DCI where the TCI status information is located is an S-DCI, the target state of the first component carrier or bandwidth portion corresponding to the S-DCI is updated, wherein the first component carrier or bandwidth portion is a component carrier or bandwidth portion in S-DCI mode in the CC list, or If the DCI in which the TCI status indication information is located is an M-DCI, the objective state of the second component carrier or bandwidth portion corresponding to the M-DCI is updated, which includes the second component carrier or bandwidth portion being a component carrier or bandwidth portion in M-DCI mode in the CC list.

[0010] As an option, the above method is Based on a pre-configured first correspondence and the resource set in which the TCI status indication information is located, the DCI signaling type of the DCI in which the TCI status indication information is located is determined, and / or The process further includes determining the TRP corresponding to the TCI status indicator information based on a pre-configured second correspondence and the resource set in which the TCI status indicator information is located, The first correspondence is the correspondence between the resource set and the DCI signaling type, and the second correspondence is the correspondence between the resource set and the TRP.

[0011] Optionally, the TCI status information is used to indicate a TCI state or a group of TCI states.

[0012] In a second embodiment, an embodiment of the present disclosure provides a transmission setting indicator TCI state indication method applicable to a base station, the method being: The process involves transmitting transmission setting indicator TCI status information to a terminal, wherein the TCI status information is intended to instruct the terminal to update the target state of a component carrier or bandwidth portion in the component carrier CC list. The CC list is pre-configured by the base station for the terminal, and the CC list corresponds to a plurality of TCI states or a plurality of TCI state groups, and the target state of the component carrier or bandwidth portion includes the TCI state of the component carrier, the TCI state group of the component carrier, the TCI state of the bandwidth portion, or the TCI state group of the bandwidth portion.

[0013] As an option, the CC list is, A CC list configured individually for each TRP. A CC list set based on the TRP transmission type corresponding to the component carrier or bandwidth portion. Includes any type or combination thereof of a CC list configured based on DCI mode.

[0014] Optionally, the TCI status indicator information is used by the TRP corresponding to the TCI status indicator information to update the target state of the corresponding component carrier or bandwidth portion.

[0015] Optionally, the component carrier or bandwidth portion in the CC list is The component carrier or bandwidth part in the single downlink control information S-DC mode, and / or including the component carrier or bandwidth part in the multi downlink control information M-DCI mode, When the DCI where the TCI state indication information is located is S-DCI, the TCI state indication information is for updating the target state of the first component carrier or bandwidth part corresponding to the S-DCI, and the first component carrier or bandwidth part is the component carrier or bandwidth part in the S-DCI mode in the CC list, or When the DCI where the TCI state indication information is located is M-DCI, the TCI state indication information is for updating the target state of the second component carrier or bandwidth part corresponding to the M-DCI, and the second component carrier or bandwidth part is the component carrier or bandwidth part in the M-DCI mode in the CC list.

[0016] Optionally, the method further includes setting a first correspondence and / or a second correspondence for the terminal, The first correspondence is the correspondence between the resource set and the DCI signaling type, and the first correspondence is for determining the DCI signaling type of the DCI where the TCI state indication information is located. The second correspondence is the correspondence between the resource set and the TRP, and the second correspondence is for determining the TRP corresponding to the TCI state indication information.

[0017] Optionally, the TCI state indication information is for indicating a TCI state or a TCI state group.

[0018] In a third form, an embodiment of the present disclosure further provides a transmission configuration indicator TCI state indication device applied to a terminal, and the device includes a first receiving unit for receiving transmission configuration indicator TCI state indication information transmitted from a base station, A first update unit for updating a target state of a component carrier or a band part in a component carrier CC list based on the TCI state indication information, The CC list is preset by the base station for the terminal, the CC list corresponds to a plurality of TCI states or a plurality of TCI state groups, the CC list is one or more, and the target state of the component carrier or the band part includes a TCI state of the component carrier, a TCI state group of the component carrier, a TCI state of the band part, or a TCI state group of the band part.

[0019] Optionally, the CC list A CC list individually set for each TRP, A CC list set based on a TRP transmission type corresponding to a component carrier or a band part, or A CC list set based on a DCI mode, includes any type or a combination thereof.

[0020] Optionally, updating the target state of the component carrier or the band part in the component carrier CC list based on the above-mentioned TCI state indication information Includes updating the target state of the component carrier or the band part corresponding to the TRP corresponding to the TCI state indication information based on the TCI state indication information.

[0021] Optionally, the component carrier or the band part in the CC list A component carrier or a band part in a single downlink control information S-DC mode, and / or A component carrier or a band part in a multi downlink control information M-DCI mode, Updating the target state of the component carrier or the band part in the component carrier CC list based on the above-mentioned TCI state indication information If the DCI where the TCI status information is located is an S-DCI, the target state of the first component carrier or bandwidth portion corresponding to the S-DCI is updated, wherein the first component carrier or bandwidth portion is a component carrier or bandwidth portion in S-DCI mode in the CC list, or If the DCI in which the TCI status indication information is located is an M-DCI, the objective state of the second component carrier or bandwidth portion corresponding to the M-DCI is updated, which includes the second component carrier or bandwidth portion being a component carrier or bandwidth portion in M-DCI mode in the CC list.

[0022] Optionally, the apparatus further includes a first decision unit, the first decision unit is Based on a pre-configured first correspondence and the resource set in which the TCI status indication information is located, the DCI signaling type of the DCI in which the TCI status indication information is located is determined, and / or This is used to determine the TRP corresponding to the TCI status instruction information based on a pre-configured second correspondence and the resource set where the TCI status instruction information is located. The first correspondence is the correspondence between the resource set and the DCI signaling type, and the second correspondence is the correspondence between the resource set and the TRP.

[0023] Optionally, the TCI status information is used to indicate a TCI state or a group of TCI states.

[0024] In a fourth embodiment, the embodiments of the present disclosure further provide a transmission setting indicator TCI status indicator device applied to a base station, the device comprising: A second transmission unit for transmitting transmission setting indicator TCI status information to a terminal, wherein the TCI status information is for instructing the terminal to update the target state of a component carrier or bandwidth portion in the component carrier CC list. The CC list is pre-configured by the base station for the terminal, and the CC list corresponds to a plurality of TCI states or a plurality of TCI state groups, and the target state of the component carrier or bandwidth portion includes the TCI state of the component carrier, the TCI state group of the component carrier, the TCI state of the bandwidth portion, or the TCI state group of the bandwidth portion.

[0025] As an option, the CC list is, A CC list configured individually for each TRP. A CC list set based on the TRP transmission type corresponding to the component carrier or bandwidth portion. Includes any type or combination thereof of a CC list configured based on DCI mode.

[0026] Optionally, the TCI status indicator information is used by the TRP corresponding to the TCI status indicator information to update the target state of the corresponding component carrier or bandwidth portion.

[0027] Optionally, the component carrier or bandwidth portion in the CC list is The component carrier or bandwidth portion of the single downlink control information S-DC mode, and / or Includes the component carrier or bandwidth portion of the multi-downlink control information M-DCI mode, If the DCI where the TCI status indicator information is located is an S-DCI, the TCI status indicator information is for updating the target state of the first component carrier or bandwidth portion corresponding to the S-DCI, and the first component carrier or bandwidth portion is the component carrier or bandwidth portion in S-DCI mode in the CC list, or If the DCI where the TCI status information is located is an M-DCI, the TCI status information is for updating the target state of a second component carrier or bandwidth portion corresponding to the M-DCI, and the second component carrier or bandwidth portion is the component carrier or bandwidth portion of the M-DCI mode in the CC list.

[0028] Optionally, the device further includes a third transmitting unit for setting a first correspondence and / or a second correspondence to the terminal. The first correspondence is the correspondence between a resource set and a DCI signaling type, and the first correspondence is for determining the DCI signaling type of the DCI in which the TCI status information is located. The second correspondence is the correspondence between a resource set and a TRP, and the second correspondence is for determining the TRP corresponding to the TCI status information.

[0029] Optionally, the TCI status information is used to indicate a TCI state or a group of TCI states.

[0030] In the fifth embodiment, an embodiment of the present disclosure provides a terminal including a memory, a transceiver, and a processor. The memory is for storing computer programs, the transceiver is for sending and receiving data under the control of the processor, and the processor reads the computer programs in the memory. Receiving transmission setting indicator TCI status information transmitted from the base station, This is for performing operations that include updating the target state of a component carrier or bandwidth portion in the component carrier CC list based on the TCI state indication information. The CC list is pre-configured by the base station for the terminal, the CC list corresponds to a plurality of TCI states or a plurality of TCI state groups, the CC list is one or more, and the target state of the component carrier or band portion includes the TCI state of the component carrier, the TCI state group of the component carrier, the TCI state of the band portion, or the TCI state group of the band portion.

[0031] As an option, the CC list is, A CC list configured individually for each TRP. A CC list set based on the TRP transmission type corresponding to the component carrier or bandwidth portion, or Includes any type or combination thereof of a CC list configured based on DCI mode.

[0032] As an option, updating the target state of a component carrier or bandwidth portion in the component carrier CC list based on the TCI state indication information described above is: This includes updating the target state of the corresponding component carrier or bandwidth portion of the TCI state indication information based on the TCI state indication information.

[0033] Optionally, the component carrier or bandwidth portion in the CC list is The component carrier or bandwidth portion of the single downlink control information S-DC mode, and / or Includes the component carrier or bandwidth portion of the multi-downlink control information M-DCI mode, Updating the target state of a component carrier or bandwidth portion in the component carrier CC list based on the aforementioned TCI state instruction information is: If the DCI where the TCI status information is located is an S-DCI, the target state of the first component carrier or bandwidth portion corresponding to the S-DCI is updated, wherein the first component carrier or bandwidth portion is a component carrier or bandwidth portion in S-DCI mode in the CC list, or If the DCI in which the TCI status indication information is located is an M-DCI, the objective state of the second component carrier or bandwidth portion corresponding to the M-DCI is updated, which includes the second component carrier or bandwidth portion being a component carrier or bandwidth portion in M-DCI mode in the CC list.

[0034] Optionally, the above operation is: Based on a pre-configured first correspondence and the resource set in which the TCI status indication information is located, the DCI signaling type of the DCI in which the TCI status indication information is located is determined, and / or The process further includes determining the TRP corresponding to the TCI status indicator information based on a pre-configured second correspondence and the resource set in which the TCI status indicator information is located. The first correspondence is the correspondence between the resource set and the DCI signaling type, and the second correspondence is the correspondence between the resource set and the TRP.

[0035] Optionally, the TCI status information is used to indicate a TCI state or a group of TCI states.

[0036] In the sixth embodiment, the embodiments of the present disclosure further provide a base station including a memory, a transceiver, and a processor. The memory is for storing computer programs, the transceiver is for sending and receiving data under the control of the processor, and the processor reads the computer programs in the memory. The operation involves transmitting transmission setting indicator TCI status information to a terminal, wherein the TCI status information is intended to instruct the terminal to update the target state of a component carrier or bandwidth portion in the component carrier CC list. The CC list is pre-configured by the base station for the terminal, and the CC list corresponds to a plurality of TCI states or a plurality of TCI state groups, and the target state of the component carrier or bandwidth portion includes the TCI state of the component carrier, the TCI state group of the component carrier, the TCI state of the bandwidth portion, or the TCI state group of the bandwidth portion.

[0037] As an option, the CC list is, A CC list configured individually for each TRP. A CC list set based on the TRP transmission type corresponding to the component carrier or bandwidth portion. Includes any type or combination thereof of a CC list configured based on DCI mode.

[0038] Optionally, the TCI status indicator information is used by the TRP corresponding to the TCI status indicator information to update the target state of the corresponding component carrier or bandwidth portion.

[0039] Optionally, the component carrier or bandwidth portion in the CC list is The component carrier or bandwidth portion of the single downlink control information S-DC mode, and / or Includes the component carrier or bandwidth portion of the multi-downlink control information M-DCI mode, If the DCI where the TCI status indicator information is located is an S-DCI, the TCI status indicator information is for updating the target state of the first component carrier or bandwidth portion corresponding to the S-DCI, and the first component carrier or bandwidth portion is the component carrier or bandwidth portion in S-DCI mode in the CC list, or If the DCI where the TCI status information is located is an M-DCI, the TCI status information is for updating the target state of a second component carrier or bandwidth portion corresponding to the M-DCI, and the second component carrier or bandwidth portion is the component carrier or bandwidth portion of the M-DCI mode in the CC list.

[0040] Optionally, the above operation is: The process further includes setting a first correspondence and / or a second correspondence on the terminal, The first correspondence is the correspondence between a resource set and a DCI signaling type, and the first correspondence is for determining the DCI signaling type of the DCI in which the TCI status information is located. The second correspondence is the correspondence between the resource set and a TRP, and the second correspondence is for determining the TRP corresponding to the TCI status information.

[0041] Optionally, the TCI status information is used to indicate a TCI state or a group of TCI states.

[0042] In the seventh embodiment, the embodiments of the present disclosure further provide a processor-readable storage medium that stores a computer program causing a processor to execute the transmission setting indicator TCI status indication method described in the first embodiment or the transmission setting indicator TCI status indication method described in the second embodiment. [Effects of the Invention]

[0043] The transmission setting indicator TCI status indication method and apparatus according to the embodiments of this disclosure pre-set one or more CC lists corresponding to different TCIs or TCI status groups, receive TCI status indication information transmitted from a base station, and update the status (TCI status or TCI status group) in the CC list based on the TCI status indication information, thereby enabling updating of CC / BWPs corresponding to one or more TRPs using one TCI status indication information. The transmission setting indicator TCI status indication method according to the embodiments of this disclosure reduces the overhead of transmission setting indicator TCI status indication signaling and ensures the transmission of mTRPs.

[0044] To more clearly explain the technical concepts in the embodiments or related technologies of this disclosure, the drawings necessary for describing the embodiments or related technologies will be briefly described below. Of course, the drawings in the following description are some embodiments of this disclosure, and those skilled in the art can obtain further drawings based on these without any creative work. [Brief explanation of the drawing]

[0045] [Figure 1] This is flowchart 1 of the transmission setting indicator TCI status indication method according to the embodiment of this disclosure. [Figure 2] This is flowchart #2 of the transmission setting indicator TCI status indication method according to the embodiment of this disclosure. [Figure 3] This is a schematic diagram (1) of the structure of the transmission setting indicator TCI status indicator device according to the embodiment of this disclosure. [Figure 4] This is a schematic diagram (part 2) of the structure of the transmission setting indicator TCI status indicator device according to the present disclosure. [Figure 5] This is a schematic diagram of the structure of a terminal according to the embodiment of this disclosure. [Figure 6] This is a schematic diagram of the structure of a base station according to the embodiment of this disclosure. [Modes for carrying out the invention]

[0046] In embodiments of this disclosure, the terms "and / or" describe the relationship between related objects and indicate that three types of relationships may exist. For example, A and / or B may refer to three cases: A existing alone, A and B existing simultaneously, and B existing alone. The symbol " / " usually indicates that the preceding and following related objects are in an "or" relationship.

[0047] In embodiments of this disclosure, the term “multiple” means two or more, and other quantifiers are similar thereto.

[0048] The technical proposals according to the embodiments of this disclosure are applicable to a variety of systems, particularly 5G systems. For example, applicable systems include global system of mobile communication (GSM) systems, code division multiple access (CDMA) systems, wideband code division multiple access (WCDMA®) systems, general packet radio service (GPRS) systems, long term evolution (LTE) systems, LTE frequency division duplex (FDD) systems, LTE time division duplex (TDD) systems, long term evolution advanced (LTE-A) systems, universal mobile telecommunication systems (UMTS), WiMAX (worldwide interoperability for microwave access) systems, and 5G New Radio (NR) systems. All of these various systems include terminal equipment and network equipment. The system may also include core network components such as the Evolved Packet System (EPS) and the 5th Generation Mobile Communication Technology System (5GS).

[0049] The terminal equipment (e.g., UE) in the embodiments of this disclosure may refer to a device that provides voice and / or data connectivity to a user, a handheld device with wireless connectivity, or other processing device connected to a wireless modem. In different systems, the name of the terminal equipment may differ; for example, in a 5G system, terminal equipment may be called User Equipment (UE). Wireless terminal equipment can communicate with one or more Core Networks (CN) via a Radio Access Network (RAN), and wireless terminal equipment may be mobile terminal equipment such as a mobile phone (or "cellular" phone) or a computer with a mobile terminal device, for example, a portable, pocket-sized, handheld, computer-integrated, or in-vehicle mobile device, which exchange language and / or data with the Radio Access Network. Examples of devices include Personal Communication Service (PCS) phones, cordless phones, Session Initiated Protocol (SIP) phones, Wireless Local Loop (WLL) stations, and Personal Digital Assistants (PDAs). Wireless terminal equipment may also be referred to as a system, subscriber unit, subscriber station, mobile station, mobile, remote station, access point, remote terminal, access terminal, user terminal, user agent, or user device, and is not limited to the embodiments of this disclosure.

[0050] The network equipment according to the embodiments of this disclosure may be a base station that includes multiple cells providing services to terminals. Depending on the specific application, the base station may also be called an access point, a device that communicates with radio terminal equipment over one or more sectors on a radio interface in an access network, or may have any other name. The network equipment can be used as a router between radio terminal equipment and the rest of the access network to exchange received radio frames and Internet Protocol (IP) packets with each other, where the rest of the access network may include an Internet Protocol (IP) communication network. The network equipment may also coordinate attribute management of the radio interface. For example, the network equipment according to the embodiments of this disclosure may be a network device (BTS: Base Transceiver Station) in a Global System for Mobile communications (GSM) or Code Division Multiple Access (CDMA), a network device (NodeB) in Wide-band Code Division Multiple Access (WCDMA®), an evolutionary network device (eNB or e-NodeB: evolutional Node B) in a long-term evolution (LTE) system, a 5G base station (gNB) in a 5G network architecture (next generation system), a home evolved Node B (HeNB), a relay node, a home base station (femto), a pico base station (pico), etc., and is not limited to the embodiments of this disclosure.In some network structures, network equipment may include centralized unit (CU) nodes and distributed unit (DU) nodes, and the centralized and distributed units may be geographically separated.

[0051] To facilitate understanding of the embodiments of this disclosure, terms or background related to the embodiments of this disclosure are explained below.

[0052] In an NR system, the downlink channel includes a downlink data channel (PDSCH: Physical Downlink Shared Channel) and a downlink control channel (PDCCH: Physical Downlink Control Channel), while the uplink channel includes an uplink data channel (PUSCH: Physical Uplink Shared Channel) and an uplink control channel (PUCCH: Physical Uplink Control Channel). Because the transmission range is limited for high-frequency transmission (FR2 frequency band in NR), the uplink and uplink channels are typically beamformed for transmission to enhance coverage. The beam direction of different channels must be determined, and signaling must be used to indicate the beam during channel transmission; that is, beam indication (indicating beam information through the transmission setting indicator TCI state) is necessary. In related technologies, different channels use different transmission setting indicator TCI state indication signaling, and each channel performs transmission setting indicator TCI state indication independently. Thus, different channels may use different beam transmissions. This independent transmission setting indicator TCI state indication scheme increases system complexity and signaling indication overhead.

[0053] To overcome the above problems, related technologies have introduced a method for instructing multiple channel beams using a single transmission configuration indicator (TCI) state signaling. This method activates a set of transmission configuration indicator (TCI) states via a medium access control-control element (MAC-CE) and further uses downlink control information (DCI) to indicate one of the activated TCI states. When the up and down channels are mutual, the beam indicated by the transmission setting indicator TCI status signaling may be used for either the up channel or the down channel, in which case it is set as joint TCI mode. If a Maximum Permissible Exposure (MPE) problem occurs due to human shielding, or if the terminal needs to switch the up beam, the up channel will use a different beam than the down channel, and in this case the transmission setting indicator TCI status signaling needs to indicate the up channel beam and the down channel beam separately, in which case it is set as separate DL / UL TCI mode.

[0054] For multi-transmission reception point (mTRP) transmission, the relevant technology dictates that each signaling indicates only the TCI state of the corresponding CC / BWP. For mTRP transmission based on multi-DCI (M-DCI), in this case, each CORESET is configured to be associated with one CORESETPoolIndex. Each DCI indicates one TCI state and is used for PDSCH transmission on CC / BWPs of TRPs with the same CORESETPoolIndex value. For single-DCI (S-DCI) M-TRP transmission, each DCI indicates two TCI states and is used for PDSCH transmission on two TRPs of corresponding CC / BWPs, respectively.

[0055] However, in related technologies, for multi-TRP scenes, one DCI signaling indicates one CC update TCI state, and if the CC of the same TRP needs to be updated, multiple DCI signaling must be employed, resulting in significant signaling overhead.

[0056] The technical proposals in the embodiments of this disclosure will be described clearly and completely below with reference to the drawings in the embodiments of this disclosure. Of course, the embodiments described are only some, and not all, embodiments of this disclosure. All other embodiments obtained by those skilled in the art without creative work based on the embodiments of this disclosure are within the scope of protection of this disclosure.

[0057] The transmission setting indicator TCI status indication method according to the embodiments of this disclosure can be applied to mTRP scenes of carrier aggregation and can realize a method of updating the beams of multiple CCs / BWPs and multiple TRPs using a single DCI signaling by updating the beams of some CCs in a CC list or by setting multiple CC lists. The transmission setting indicator TCI status indication method according to the embodiments of this disclosure reduces the overhead of the transmission setting indicator TCI status indication signaling and ensures mTRP transmission.

[0058] Figure 1 is a flowchart of the transmission setting indicator TCI status indication method according to an embodiment of the present disclosure, and as shown in Figure 1, the transmission setting indicator TCI status indication method according to an embodiment of the present disclosure includes steps 110 and 120.

[0059] In step 110, the transmission setting indicator TCI status information transmitted from the base station is received. Specifically, a single terminal can have multiple alternate TCI states configured. For example, for a PDCCH transmission configuration indicator TCI state indication, RRC signaling specifies one subset of M configured alternate TCI states for each configured Control Resource Set (CORESET). Through MAC signaling, the network can dynamically indicate that one particular TCI state from the M alternate state subsets corresponding to each CORESET is active. When a terminal monitors a CORESET's PDCCH, it assumes that the PDCCH will use the beam used for the reference signal associated with the TCI state specified in the MAC, thereby allowing the terminal to update the corresponding CC / BWP based on the TCI state. TCI state indication information may also be carried by the DCI.

[0060] Illustratively, TCI state indication information may indicate one TCI state, multiple TCI states, one TCI state group, or multiple TCI state groups. Illustratively, if the DCI on which the TCI state indication information resides is an S-DCI, one S-DCI can indicate multiple TCI states, each TCI state associated with one TRP. The TCI state indication information (in this case indicating multiple TCI states or state groups) may further be carried by a set of M-DCIs, each M-DCI containing multiple DCIs, each DCI associated with a TCI state of a CC / BWP corresponding to a single TRP.

[0061] In step 120, based on the TCI status information, the target state of the component carrier or bandwidth portion in the component carrier CC list is updated. Here, the target state of the component carrier or bandwidth portion includes the TCI state of the component carrier, the TCI state group of the component carrier, the TCI state of the bandwidth portion, or the TCI state group of the bandwidth portion. The target state can be described as the TCI state or TCI state group of the CC / BWP.

[0062] The CC list is pre-configured by the base station for the terminal, and there may be one or more CC lists, and the CC list may include CCs or BWPs. The CC list can be understood to correspond to multiple TCI states or TCI state groups, and that component carriers in the CC list correspond to multiple TCI states or TCI state groups, or that bandwidth portions in the CC list correspond to multiple TCI states or TCI state groups.

[0063] Specifically, the Bandwidth Part (BWP) refers to a set of consecutive Common Resource Blocks (CRBs) on a particular carrier that correspond to a specific set of parameters, and can be understood as a part of the bandwidth.

[0064] A carrier or bandwidth portion will be abbreviated as CC / BWP below. In embodiments of this disclosure, a CC list represents multiple bandwidths in list form, and a bandwidth may include a CC or a BWP. Therefore, a CC list in embodiments of this disclosure may be used to represent a BWP, and a CC list in embodiments of this disclosure can be understood to also represent a BWP list. Embodiments of this disclosure may be used to update TCI states on a CC, or to update TCI states on a BWP. Hereinafter, when a CC or BWP is used alone, it is for the sake of illustration, and embodiments using a CC or BWP alone may be applied to bandwidth scenes not mentioned (for example, taking a CC as an example, it may also be applied to a BWP). Embodiments of this disclosure may be used to update a TCI state or a group of TCI states. Hereinafter, when a TCI state or a group of TCI states is used alone, it is for the sake of illustration, and embodiments using a TCI state or a group of TCI states alone may be applied to scenes not mentioned (for example, taking a TCI state as an example, it may also be applied to a group of TCI states).

[0065] Please understand that one TCI state corresponds to one TRP, and one TCI state group corresponds to the uplink and downlink TCI states of one TRP.

[0066] The statement that the CC list corresponds to multiple TCI states or TCI state groups means that the CC list corresponds to multiple TRPs. For example, if there is one CC list, it can be understood that one CC list may correspond to multiple TCI states or TCI state groups, and that the CC / BWP in the CC list may correspond to multiple TRPs. If there are multiple CC lists, it can be understood that all CC lists correspond to multiple TCI states or TCI state groups, and that the CC / BWP in all CC lists may correspond to multiple TRPs.

[0067] Please understand that the terminal has previously received one or more CC lists set by the base station, and in the case of one CC list, the CC / BWP in that CC list may correspond to multiple TRPs, and in the case of multiple CC lists, one CC list may correspond to multiple TRPs, or one CC list may correspond to one TRP.

[0068] For illustrative purposes, consider the case where a CC list includes BWPs. If there is one CC list, it includes BWP1 and BWP2, where BWP1 may correspond to TCI1 and TCI2, and BWP2 corresponds to TCI1. The CC list corresponds to multiple different TCIs. If there are two CC lists, CC list 1 includes BWP1-1 and BWP1-2, where BWP1-1 and BWP1-2 correspond to TCI1. CC list 2 includes BWP2-1, where BWP2-1 corresponds to TCI2. If there are two CC lists, CC list 1 includes BWP1-1 and BWP1-2, where BWP1-1 and BWP1-2 correspond to TCI1 and TCI2. CC list 2 includes BWP2-1, where BWP2-1 corresponds to TCI2. One TCI state corresponds to one TRP. Therefore, it should be understood that the CC lists in this embodiment as a whole (multiple CC lists as a whole) correspond to multiple TRPs.

[0069] Both CC and BWP are used to represent a certain bandwidth frequency, and are generally expressed as CC / BWP in protocols; therefore, the component carrier or bandwidth portion can be abbreviated as CC / BWP below. Regarding the terminal updating the target state in the component carrier CC list based on the TCI state instruction information, as explained above regarding TCI and CORESET, the TCI state instruction information can be associated with CORESET. That is, when a terminal monitors a CORESET, the terminal considers that the TCI state instruction information transmitted from that CORESET is associated with the relevant TCI state on that CORESET, and that the TCI state corresponds to one TRP. This enables the terminal to update the TCI state corresponding to the CC / BWP of the TRP corresponding to the associated TCI state on the CORESET based on the TCI state information.

[0070] For example, if CORESET1 is associated with CC1 corresponding to TRP1, and CORESET2 is associated with CC2 corresponding to TRP2, and one TCI status indicator is transmitted on CORESET1, the terminal can determine that this TCI status indicator is used to update the TCI status of CC1 corresponding to TRP1 and CC2 corresponding to TRP2.

[0071] The above are examples to facilitate understanding of the present invention, and it should be understood that it can also be implemented by other related technologies, such as the addition of TRP identifiers and CC / BWP identifiers, and that embodiments of the present disclosure do not limit how TCI state indication information indicates multiple TRPs or multiple TCI states.

[0072] In one embodiment, the terminal pre-configures several CC lists, one CC list 1 corresponding to TRP1, which includes CC1-1 (CC1 in CC list 1, the same applies hereafter and will not be described), CC1-2, and CC1-3; one CC list 2 corresponding to TRP2, which includes CC2-1 (CC1 in CC list 2, the same applies hereafter and will not be described), CC2-2, and CC2-3. Exemplarily, TCI status information 1 received by the terminal is associated with TRP1 and TRP2, and the terminal updates CC lists 1 and 2, that is, the terminal updated the CCs corresponding to the two TRPs based on one TCI status information 1. Exemplarily, TCI status information 2 received by the terminal is associated with TRP1, and the terminal updates the TCI status corresponding to all CCs (CC1-1, CC1-2, and CC1-3) in CC list 1.

[0073] It should be understood that one CC corresponding to multiple TRPs means that there are multiple channels on one CC, and each channel can correspond to one TRP.

[0074] The above are examples intended to facilitate understanding of the present invention and should be understood as not limiting the invention in any way.

[0075] The transmission setting indicator TCI status indication method according to the embodiment of this disclosure pre-sets one or more CC lists corresponding to different TCIs or TCI status groups, receives TCI status indication information transmitted from a base station, and updates the status (TCI status or TCI status group) in the CC list based on the TCI status indication information, thereby enabling updating of CC / BWPs corresponding to one or more TRPs using one TCI status indication information. The transmission setting indicator TCI status indication method according to the embodiment of this disclosure reduces the overhead of transmission setting indicator TCI status indication signaling and ensures the transmission of mTRPs.

[0076] As an option, the CC list is, A CC list configured individually for each TRP. A CC list set based on the TRP transmission type corresponding to the component carrier or bandwidth portion, or Includes any type or combination thereof of a CC list configured based on DCI mode. Specifically, a CC list set individually for each TRP may mean setting one CC list for each TRP. For example, CC list 1 is set for TRP1, and CC list 2 is set for TRP. If TCI status information is associated with CC1, the CC1 in both lists can be updated using the TCI status information.

[0077] Regarding CC lists configured based on the TRP transmission type corresponding to the component carrier or bandwidth portion, it is possible to configure CC lists that support multi-TRP transmission and CC lists that do not support multi-TRP transmission, based on whether or not multi-TRP transmission is supported on the CC / BWP.

[0078] As an example, CC List 1 and CC List 2 are set up. CC List 1 includes CC1-1 and CC1-2, and CC List 2 includes CC2-1. CC2-1 supports multi-TRP transmission, CC1-1 and CC1-2 do not support multi-TRP transmission, CC1-1 corresponds to TRP1, and CC1-2 corresponds to TRP2. CC2-1 may also correspond to TRP1 and TRP2. If TCI status indicator information is associated with TRP1, the TCI status indicator information can be used to update the channels corresponding to TRP1 on CC1-1 in CC List 1 and CC2-1 in CC List 2.

[0079] Regarding CC lists set based on DCI mode, this may refer to setting CC / BWP for single DCI mode and CC / BWP for multi-DCI mode for each CC list, or it may refer to setting different CC lists for different DCI modes and classifying them into single DCI mode CC lists and multi-DCI mode CC lists based on the DCI mode.

[0080] Specifically, multi-DCI mode refers to support for M-DCI, and single-DCI mode refers to support for S-DCI.

[0081] For example, one CC list can be configured, and this CC list may contain CC1, CC2, and CC3. CC1 is a single DCI mode CC, while CC2 and CC3 are multi-DCI mode CCs.

[0082] As an example, CC List 1 and CC List 2 are set up. CC List 1 includes CC1-1 and CC1-2, and CC List 2 includes CC2-1. CC2-1 is in multi-DCI (M-DCI) mode, and CC1-1 and CC1-2 are in single-DCI (S-DCI) mode.

[0083] The above CC lists may be combined; for example, a separate CC list may be set for each TRP, and the CCs in each TRP's CC list may be single DCI mode CCs and multi DCI mode CCs. The combination of a CC list set based on the TRP transmission type corresponding to the component carrier or bandwidth portion and a CC list set based on the DCI mode will not be explained here.

[0084] The transmission setting indicator TCI status indication method according to the embodiments of this disclosure provides setting types for multiple CC lists, thereby enabling the setting of multiple CC lists. After a terminal receives TCI status indication information transmitted from a base station, it can update some CCs in one or more CC lists based on the TRP corresponding to the TCI status indication information or the DCI signaling type of the DCI where it is located, thereby enabling the updating of CCs / BWPs corresponding to one or more TRPs using one TCI status indication information. The transmission setting indicator TCI status indication method according to the embodiments of this disclosure reduces the overhead of transmission setting indicator TCI status indication signaling and ensures the transmission of mTRPs.

[0085] As an option, updating the target state of a component carrier or bandwidth portion in the component carrier CC list based on the TCI state indication information described above is: This includes updating the target state of the corresponding component carrier or bandwidth portion of the TCI state indication information based on the TCI state indication information.

[0086] It should be understood that updating the target state of a component carrier or bandwidth portion corresponding to a TRP corresponding to the TCI state indication information is done by setting CCs corresponding to TRPs in all CC lists, and all CC lists may be one CC list or multiple CC lists. If there is one CC list, different CCs in that CC list correspond to different TRPs, and instead of updating all CCs in the CC list, the CCs in that CC list corresponding to the TRP corresponding to the TCI state indication information are updated, thereby enabling CC updates as needed and reducing signaling overhead. If there are multiple CC lists, different TRPs may correspond to different CC lists, and different CCs in a single CC list may correspond to different TRPs, and in this way, CCs in corresponding CC lists can be selectively updated based on TRPs corresponding to TCI state indication information, and CCs in CC lists corresponding to TRPs can be selectively updated based on TRPs corresponding to TCI state indication information, similarly reducing signaling overhead.

[0087] In one embodiment, TCI state 3 and TCI state 6 are indicated in the TCI state instruction information. TCI state 3 corresponds to TRP1, and TCI state 6 corresponds to TRP2. One CC list includes CC1, CC2, and CC3. CC1 corresponds to TRP1 and TRP2, CC2 corresponds to TRP1, and CC3 corresponds to TRP2. After receiving the TCI state instruction information, the terminal updates the TCI states of CC1 and CC2 corresponding to TRP1 to TCI state 3, and updates the TCI states of CC2 and CC3 corresponding to TRP2 to TCI state 6, based on the TCI state instruction information.

[0088] In cases where a single TCI state is indicated in the TCI state indication information, and there are multiple CC lists, and in cases of multiple types of CC list setting methods or combinations of multiple types, the method for updating the target state of the corresponding component carrier or bandwidth portion in the CC list with respect to the TCI state indication information should be referred to in the embodiments described above. The above are examples to facilitate understanding of the present invention and should be understood as not limiting the present invention in any way.

[0089] Optionally, if the CC list includes a CC list set individually for each TRP, updating the target state of the component carrier or bandwidth portion in the component carrier CC list based on the TCI state indication information described above is: This includes updating the target state in the CC list corresponding to the component carrier or bandwidth portion of the TCI status indication information based on the TCI status indication information.

[0090] Specifically, when a CC list is set for each TRP, the TCI status indicator information can be used to update the TCI status on a CC in one of those lists.

[0091] In the two CC lists set for each TRP, all CCs in CC List 1 are associated with TRP1, all CCs in CC List 2 are associated with TRP2, and CC2-1 is associated with TRP2. The TCI status indication information indicates TCI status 3 and TCI status 6. TCI status 3 corresponds to TRP1, and TCI status 6 corresponds to TRP2. After receiving the TCI status indication information, the terminal updates the TCI status of the CCs in CC List 1 corresponding to TRP1 to TCI status 3, and updates the TCI status of the CCs in CC List 2 corresponding to TRP2 to TCI status 6, based on the TCI status indication information.

[0092] The transmission setting indicator TCI status indication method according to the embodiment of this disclosure can update the target state of all CC / BWPs corresponding to a TRP by TCI status indication information when the CC list includes CC / BWPs corresponding to multiple TRPs. The transmission setting indicator TCI status indication method according to the embodiment of this disclosure reduces the overhead of transmission setting indicator TCI status indication signaling.

[0093] Optionally, if the CC list includes a CC list configured based on the TRP transmission type corresponding to the component carrier or bandwidth portion, updating the target state of the component carrier or bandwidth portion in the CC list corresponding to the TRP corresponding to the TCI status indication information, based on the TCI status indication information, is: Based on the TCI status information, the TRP corresponding to the TCI status information updates the target state of the component carrier or bandwidth portion in the CC list of the corresponding single TRP transmission. This includes updating the target state of the corresponding component carrier or bandwidth portion in the CC list of a multi-TRP transmission, based on the TCI status indication information.

[0094] For example, in three CC lists configured based on the TRP transmission type corresponding to a component carrier or bandwidth portion, CC list 1 is a CC list supporting single TRP transmission corresponding to TRP1 and includes CC1-1; CC list 2 is a CC list supporting single TRP transmission corresponding to TRP2 and includes CC2-1; and CC list 3 is a CC list supporting multi-TRP transmission and includes CC3-1.

[0095] If the TCI status indication information consists of two S-DCIs, one S-DCI instructs TRP1 to update to TCI status 5, updating the TCI status of CC1-1 and CC3-1 (corresponding to TRP1) to 5. Another S-DCI instructs TRP2 to update to TCI status 6, updating the TCI status of CC2-1 and CC3-1 (corresponding to TRP2) to 6.

[0096] The transmission setting indicator TCI status indication method according to the embodiments of this disclosure enables updating the TCI status (or status group) of CC / BWPs corresponding to multiple TRPs using a single DCI by setting CC / BWPs that support different TRP transmission types in the CC list and updating the status of CC / BWPs based on DCI signaling. The transmission setting indicator TCI status indication method according to the embodiments of this disclosure reduces the overhead of transmission setting indicator TCI status indication signaling and ensures mTRP transmission.

[0097] Optionally, the component carrier or bandwidth portion in the CC list is The component carrier or bandwidth portion of the single downlink control information S-DC mode, and / or Includes the component carrier or bandwidth portion of the multi-downlink control information M-DCI mode, Updating the target state of a component carrier or bandwidth portion in the component carrier CC list based on the aforementioned TCI state instruction information is: If the DCI where the TCI status information is located is an S-DCI, the target state of the first component carrier or bandwidth portion corresponding to the S-DCI is updated, wherein the first component carrier or bandwidth portion is a component carrier or bandwidth portion in S-DCI mode in the CC list, or If the DCI in which the TCI status indication information is located is an M-DCI, the objective state of the second component carrier or bandwidth portion corresponding to the M-DCI is updated, which includes the second component carrier or bandwidth portion being a component carrier or bandwidth portion in M-DCI mode in the CC list.

[0098] Specifically, the component carrier or bandwidth portion of the single downlink control information S-DC mode refers to the component carrier that supports the single downlink control information S-DCI mode or the component carrier bandwidth portion that supports the single downlink control information S-DCI mode.

[0099] The component carrier or bandwidth portion of the multi-downlink control information M-DCI mode refers to the component carrier that supports the multi-downlink control information M-DCI mode or the component carrier bandwidth portion that supports the multi-downlink control information M-DCI mode.

[0100] That is, the component carrier or bandwidth portion in the CC list is Component carrier of single downlink control information S-DCI mode, Component carrier bandwidth portion of single downlink control information S-DCI mode, Component carriers in multi-downlink control information M-DCI mode, It includes any or a combination thereof of the component carrier bandwidth portion of the multi-downlink control information M-DCI mode.

[0101] In one possible implementation, the terminal receives a single CC list configured by the base station, which includes CC1, CC2, and CC3. CC1 supports S-DCI, and CC2 and CC3 support M-DCI. CC1 corresponds to TRP1 and TRP2, CC2 corresponds to TRP1, and CC3 corresponds to TRP2.

[0102] For example, if the TCI status indicator information is M-DCI, M-DCI1 is associated with TRP1, M-DCI2 is associated with TRP2, and after receiving M-DCI1, the TCI status of CC2 is updated, and after receiving M-DCI2, the TCI status of CC3 is updated.

[0103] For example, if the TCI state instruction information is S-DCI, S-DCI instructs to update the CC corresponding to TRP1 to TCI state 3 and the CC corresponding to TRP2 to TCI state 4. After receiving S-DCI, the terminal updates the TCI state of CC1 corresponding to TRP1 to TCI state 3 and updates the TCI state of CC1 corresponding to TRP2 to TCI state 4.

[0104] In one possible implementation, S-DCI supports CC / BWP for all S-DCI modes, and M-DCI supports CC / BWP for all M-DCI modes. The terminal receives a single CC list configured by the base station, which includes CC1, CC2, and CC3. CC1 supports S-DCI, and CC2 and CC3 support M-DCI. CC1 supports TRP1 and TRP2, CC2 supports TRP1, and CC3 supports TRP2.

[0105] For example, if the TCI status indicator information is M-DCI, CC:CC2 and CC3 for all M-DCI modes are updated.

[0106] For example, if the TCI status indicator information is S-DCI, CC:CC1 for all S-DCI modes is updated.

[0107] It should be understood that the transmission setting indicator TCI status indication method according to the embodiment of this disclosure can be applied to multiple types of CC list setting methods. For example, one CC list may include both CC / BWP set as single DCI mode and CC / BWP set as multi-DCI mode, or in multiple CC lists, all CC / BWP in one CC list may be in single DCI mode, and all CC / BWP in one CC list may be in multi-DCI mode.

[0108] For example, When one CC list is set as both S-DCI mode and M-DCI mode, In multiple CC lists corresponding to different TRPs, each CC list may be configured as a CC for S-DCI mode and a CC for M-DCI mode, In multiple CC lists corresponding to different TRPs, each TRP may correspond to one S-DCI mode list and one M-DCI mode list, respectively. In a set of multiple CC lists configured based on the TRP transmission type corresponding to the component carrier or bandwidth portion, each CC list may be configured as a CC for S-DCI mode and a CC for M-DCI mode, One example is a case where, in a set of multiple CC lists based on the TRP transmission type corresponding to a component carrier or bandwidth portion, each CC list is again divided into a list of one S-DCI mode and a list of one M-DCI mode.

[0109] The above are examples intended to facilitate understanding of the present invention and should be understood as not limiting the invention in any way.

[0110] The transmission setting indicator TCI status indication method according to the embodiment of this disclosure enables updating CC / BWPs corresponding to multiple TRPs using a single DCI by setting CC / BWPs in S-DCI and M-DCI modes in a CC list and updating the state of CC / BWPs based on DCI signaling. The transmission setting indicator TCI status indication method according to the embodiment of this disclosure reduces the overhead of transmission setting indicator TCI status indication signaling and guarantees the transmission of mTRPs.

[0111] As an option, the above method is Based on a pre-configured first correspondence and the resource set in which the TCI status indication information is located, the DCI signaling type of the DCI in which the TCI status indication information is located is determined, and / or The process further includes determining the TRP corresponding to the TCI status indicator information based on a pre-configured second correspondence and the resource set in which the TCI status indicator information is located, The first correspondence is the correspondence between the resource set and the DCI signaling type, and the second correspondence is the correspondence between the resource set and the TRP.

[0112] In embodiments of the present disclosure, the DCI signaling type and / or corresponding TRP of the DCI where the TCI status information resides can be determined by the resource set in which the DCI carrying the TCI status information resides (which can also be understood as the resource set used when transmitting the DCI).

[0113] The first and second correspondences may be pre-configured by the base station for the terminal.

[0114] For example, if the DCI signaling pre-configured to be transmitted on CORESET1 is S-DCI, then when DCI signaling is transmitted from CORESET1, the terminal can determine that the DCI signaling currently being transmitted on CORESET1 is S-DCI. DCI signaling not transmitted on CORESET1 is M-DCI. It is important to understand that you may pre-configure the resource set used for M-DCI transmission and not pre-configure the resource set used for S-DCI transmission, or you may configure resource sets used for both M-DCI and S-DCI transmission; therefore, the explanation is omitted here.

[0115] For example, TCI status information pre-configured to be transmitted on CORESET0 and CORESET1 is for updating the state of the CC corresponding to TRP0, and TCI status information pre-configured to be transmitted on CORESET2 and CORESET3 is for updating the state of the CC corresponding to TRP1. When TCI status information is transmitted from CORESET1, the terminal can determine that the TCI status information currently transmitted on CORESET1 is for updating the state of the CC corresponding to TRP0.

[0116] Exemplary, a base station instructs a terminal with two TCI states via DCI signaling or a first MAC-CE signaling. The base station sets five CORESETs for the terminal via RRC signaling, denoted as CORESET#0, CORESET#1, CORESET#2, CORESET#3, and CORESET#4. Simultaneously, the base station sets a second correspondence between TCI states and CORESETs for the terminal. This second correspondence can be set via MAC-CE or RRC signaling. One method is for the RRC signaling to instruct whether to use the first of the two TCI states, the second, or both TCI states in the setting of each CORESET. It should be understood that each TCI state corresponds to one TRP. For example, in the case of CORESET#2, the base station instructs the setting of two TCI states: one to update the CC state corresponding to TRP0 to TCI state 3, and the other to update the CC state corresponding to TRP2 to TCI state 6. When DCI signaling is transmitted over CORESET#2, the terminal can update the CC state corresponding to TRP1 and the CC state corresponding to TRP2 based on the DCI signaling.

[0117] The transmission setting indicator TCI status indication method according to the embodiments of this disclosure enables a terminal to determine one or more TCI states via one TCI status indication piece of information, and to determine the signaling type of the current DCI signaling, by associating a resource set with DCI signaling and TCI status indication information, thereby enabling the updating of CC / BWPs corresponding to multiple TRPs using one DCI. The transmission setting indicator TCI status indication method according to the embodiments of this disclosure reduces the overhead of transmission setting indicator TCI status indication signaling and ensures the transmission of mTRPs.

[0118] Optionally, TCI status information is used to indicate a TCI status or a group of TCI statuses.

[0119] Specifically, the terminal receives TCI status information transmitted from the base station, and the TCI status information can be used to indicate the TCI status.

[0120] When the TCI state indication information is used to indicate a TCI state, the TCI state indication information can be used for the corresponding TRP on the corresponding CC list to update the TCI state of the corresponding CC / BWP. In this case, it should be understood that both the up beam and down beam of a single TRP adopt the indicated TCI state, i.e., the indicated TCI state adopted by both the up beam and down beam of a single TRP is the same. Embodiments of this disclosure can be applied to a combined TCI mode, i.e., a single TRP transmits and receives using the same up beam and down beam.

[0121] Optionally, the TCI status indicator information includes either TCI single status indicator information or TCI status group indicator information. The aforementioned TCI single-state indication information is for indicating a single TCI state. The TCI status group instruction information includes uplink TCI status instruction information and downlink TCI status instruction information.

[0122] The terminal receives TCI state indication information transmitted from the base station, and the TCI state indication information can be used to indicate one or more TCI state groups. One TCI state group may include uplink TCI states and downlink TCI states, with uplink TCI state indication information for updating uplink TCI states and downlink TCI state indication information for updating downlink TCI states. Embodiments of this disclosure can be applied to independent TCI modes, where different uplink and downlink beams are used for each TRP.

[0123] The transmission setting indicator TCI status indication method according to the embodiments of this disclosure can be combined with the transmission setting indicator TCI status indication methods according to each of the embodiments described above, and such a description is omitted here.

[0124] According to the transmission setting indicator TCI status indication method according to the embodiments of this disclosure, the TCI status indication information can indicate a TCI status or a group of TCI statuses, and the indication method for TCI status indication information according to the embodiments of this disclosure can be combined with the above embodiments. Therefore, according to the transmission setting indicator TCI status indication method according to the embodiments of this disclosure, the overhead of transmission setting indicator TCI status indication signaling is reduced, mTRP transmission is guaranteed, and the flexibility of transmission setting indicator TCI status indication is improved.

[0125] Figure 2 is a flowchart of the transmission setting indicator TCI status indication method according to the embodiment of this disclosure, and as shown in Figure 2, the transmission setting indicator TCI status indication method according to the embodiment of this disclosure is applied to a base station, and the method is Step 210 includes transmitting transmission setting indicator TCI status information to a terminal, wherein the TCI status information is for instructing the terminal to update the target state of a component carrier or bandwidth portion in the component carrier CC list. The CC list is pre-configured by the base station for the terminal, and the CC list corresponds to a plurality of TCI states or a plurality of TCI state groups, and the target state of the component carrier or bandwidth portion includes the TCI state of the component carrier, the TCI state group of the component carrier, the TCI state of the bandwidth portion, or the TCI state group of the bandwidth portion.

[0126] Specifically, the CC list is pre-configured by the base station for the terminal, and there may be one or more CC lists, and the CC list may include CCs or BWPs. The CC list corresponds to multiple TCI states or TCI state groups, and it can be understood that component carriers in the CC list correspond to multiple TCI states or TCI state groups, or that bandwidth portions in the CC list correspond to multiple TCI states or TCI state groups. Embodiments of this disclosure do not limit how a base station configures a CC list.

[0127] Descriptions of embodiments of this disclosure, such as TCI status, TCI status indicator information, CC, BWP, and the correspondence between TCI status and TRP, should be found in the above description and are omitted here.

[0128] The transmission setting indicator TCI status indication method according to the embodiments of this disclosure provides multiple types of CC list setting types, thereby enabling the setting of multiple CC lists, and after a terminal receives TCI status indication information transmitted from a base station, it can update multiple CC lists based on the TCI status indication information, enabling the updating of CC / BWPs corresponding to one or more TRPs using one TCI status indication information. The transmission setting indicator TCI status indication method according to the embodiments of this disclosure reduces the overhead of transmission setting indicator TCI status indication signaling and ensures the transmission of mTRPs.

[0129] As an option, the CC list is, A CC list configured individually for each TRP. A CC list set based on the TRP transmission type corresponding to the component carrier or bandwidth portion. Includes any type or combination thereof of a CC list configured based on DCI mode.

[0130] For information on the types of CC lists configured on the base station side, please refer to the explanation above; the explanation is omitted here.

[0131] Optionally, the TCI status indicator information is used by the TRP corresponding to the TCI status indicator information to update the target state of the corresponding component carrier or bandwidth portion.

[0132] For an explanation of how to update the target state of the TRP corresponding to the TCI state indication information, please refer to the explanation above, and the explanation will be omitted here.

[0133] Optionally, the component carrier or bandwidth portion in the CC list is The component carrier or bandwidth portion of the single downlink control information S-DC mode, and / or Includes the component carrier or bandwidth portion of the multi-downlink control information M-DCI mode, If the DCI where the TCI status indicator information is located is an S-DCI, the TCI status indicator information is for updating the target state of the first component carrier or bandwidth portion corresponding to the S-DCI, and the first component carrier or bandwidth portion is the component carrier or bandwidth portion in S-DCI mode in the CC list, or If the DCI where the TCI status information is located is an M-DCI, the TCI status information is for updating the target state of a second component carrier or bandwidth portion corresponding to the M-DCI, and the second component carrier or bandwidth portion is the component carrier or bandwidth portion of the M-DCI mode in the CC list.

[0134] For an explanation of updating the CC / BWP status corresponding to the DCI mode based on the DCI signaling type of the DCI where the TCI status indicator information resides, please refer to the explanation above, and the explanation will be omitted here.

[0135] As an option, the above method is The process further includes setting a first correspondence and / or a second correspondence on the terminal, The first correspondence is the correspondence between a resource set and a DCI signaling type, and the first correspondence is for determining the DCI signaling type of the DCI in which the TCI status information is located. The second correspondence is the correspondence between the resource set and a TRP, and the second correspondence is for determining the TRP corresponding to the TCI status information.

[0136] Specifically, a base station can establish a first correspondence and / or a second correspondence with a terminal via RRC messages or signaling such as MAC-CE, and embodiments of this disclosure do not limit the manner in which a base station establishes a first correspondence and / or a second correspondence with a terminal.

[0137] For example, a base station can pre-configure DCI signals transmitted over CORESET1 to a terminal as S-DCI signals. When DCI signaling is transmitted over CORESET1, the terminal can determine that the DCI signaling currently transmitted over CORESET1 is S-DCI. DCI signaling that is not transmitted over CORESET1 is M-DCI. It is important to understand that one may pre-configure the resource set used for M-DCI transmission without pre-configuring the resource set used for S-DCI transmission, or one may configure resource sets for both M-DCI and S-DCI transmissions. The explanation is omitted here.

[0138] For example, a base station can pre-configure TCI status information transmitted on CORESET0 and CORESET1 to a terminal and use it to update the CC status corresponding to TRP0, and can pre-configure TCI status information transmitted on CORESET2 and CORESET3 to update the CC status corresponding to TRP1. When TCI status information is transmitted from CORESET1, the terminal can determine that the TCI status information currently transmitted on CORESET1 is used to update the CC status corresponding to TRP0.

[0139] In one embodiment, the base station signals two TCI states to the terminal via DCI signaling or first MAC-CE signaling. The base station sets five CORESETs for the terminal via RRC signaling, denoted as CORESET#0, CORESET#1, CORESET#2, CORESET#3, and CORESET#4. Simultaneously, the base station sets a second correspondence between TCI states and CORESETs for the terminal. This second correspondence can be set via MAC-CE or RRC signaling. The second correspondence can be set in one of several ways, as described below.

[0140] For example, RRC signaling instructs whether to use the first of two TCI states, the second, or both TCI states in each CORESET configuration. It should be understood that each TCI state corresponds to one TRP. For example, in the case of CORESET#2, the base station instructs to configure two TCI states: one to update the CC state corresponding to TRP0 to TCI state 3, and the other to update the CC state corresponding to TRP2 to TCI state 6. If DCI signaling is transmitted over CORESET#2, the terminal can update the CC states corresponding to TRP1 and TRP2 based on the DCI signaling.

[0141] For example, a base station configures CORESET groups via RRC, and the base station configures a second correspondence between TCI states and CORESET groups for terminals. Group 1 includes {CORESET#0, CORESET#1, CORESET#2}, and Group 2 includes {CORESET#3, CORESET#4}. Group 1 is configured to use the first and second TCI states, and Group 2 is configured to use the second TCI state. Alternatively, the protocol can agree that CORESETs in Group 1 use two TCI states and Group 2 use the first TCI state. In this case, it is not necessary to configure the TCI states used in the group. The CORESET ID in a CORESET group can be updated by MAC-CE.

[0142] For example, RRC signaling sets up a CORESET set corresponding to the first TCI state of the instruction, and a CORESET set corresponding to the second TCI state of the instruction. For instance, RRC sets up the first TCI state to be associated with {CORESET#0, CORESET#1} and the second TCI state to be associated with {CORESET#2, CORESET#3, CORESET#4}. RRC may also set up the first TCI state to be associated with {CORESET#0, CORESET#1, CORESET#3} and the second TCI state to be associated with {CORESET#2, CORESET#3, CORESET#4}.

[0143] For example, MAC-CE signaling is used to indicate the second correspondence. For instance, MAC-CE signaling that activates a TCI state includes a CORESET set or CORESET group associated with each TCI state bit.

[0144] The above are examples intended to facilitate understanding of the present invention and should be understood as not limiting the invention in any way.

[0145] Optionally, the TCI status indicator information includes either TCI single status indicator information or TCI status group indicator information. The aforementioned TCI single-state indication information is for indicating a single TCI state. The TCI status group instruction information includes uplink TCI status instruction information and downlink TCI status instruction information. For explanations of TCI single-state indicator information and TCI state group indicator information, please refer to the explanation above; the explanation is omitted here.

[0146] In the transmission setting indicator TCI status indication method according to the embodiments of this disclosure, the TCI status indication information can indicate a TCI status or a TCI status group, and the indication method for TCI status indication information according to the embodiments of this disclosure can be combined with the embodiments described above. Therefore, the transmission setting indicator TCI status indication method according to the embodiments of this disclosure reduces the overhead of transmission setting indicator TCI status indication signaling, guarantees the transmission of mTRP, and improves the flexibility of transmission setting indicator TCI status indication.

[0147] The transmission setting indicator TCI status indication method according to the present disclosure will be described below with reference to several embodiments.

[0148] Updating the TCI state corresponding to the TRP described in the following embodiments means updating the TCI state on the CC / BWP corresponding to the TRP.

[0149] Embodiment 1: The base station sets up one CC list (hereinafter abbreviated as CC list) for a terminal, which contains N CCs, where N is a positive integer. The CC list in this embodiment is a single CC list set up based on the DCI mode, and in this CC list, different CCs correspond to different DCI modes.

[0150] Table 1 is CC List 1 according to the embodiment of this disclosure, as shown in Table 1. Table 1. CC List Part 1 [Table 1]

[0151] Here, CC_0 and CC_1 are set to M-DCI mode, the remaining CCs are set to S-DCI mode, CORESETPoolIndex is set in the CORESET of CC_0 and CC_1, indicating that TCI status indication is performed by adopting the TCI status indication information carried by M-DCI on CC_0 and CC_1, and can be applied to mTRP transmission. CORESETPoolIndex is not set in the remaining CCs, indicating that TCI status indication is performed by adopting the TCI status indication information carried by S-DCI.

[0152] When using TCI status information carried by S-DCI to perform TCI status indication, only the TCI status on the CC / BWP set as S-DCI mode is updated.

[0153] For example, if the TCI state indication information carried on the S-DCI indicates one TCI state, TCI_5, then all CC_2, ..., CC_N-1 except CC_0 and CC_1 are updated to TCI_5, and at this time, sTRP transmission occurs. If the S-DCI indicates two TCI states (TCI_6 and TCI_8), then all CC_2, ..., CC_N-1 except CC_0 and CC_1 are updated to TCI_6 and TCI_8, respectively. Different TRP channels on each CC adopt TCI_6 and TCI_8 respectively for transmission, and at this time, mTRP transmission occurs. This method can achieve sTRP / M-TRP switching together with the corresponding CC.

[0154] Please understand that s-TRP / M-TRP switching includes switching from single TRP (s-TRP) to multi-TRP (M-TRP) and switching from multi-TRP to single TRP.

[0155] Switching from single TRP to multi-TRP means that the most recent TRP transmission was a single TRP transmission, and the current TRP transmission is a multi-TRP transmission. For example, the first time, the TCI state of the CC corresponding to TRP0 is updated, and the second time, the state of the CC corresponding to the two TRPs, TRP0 and TRP1, is updated.

[0156] Switching from multi-TRP to single-TRP means that the most recent TRP transmission was a multi-TRP transmission, and the current TRP transmission is a single-TRP transmission. For example, the first time, the CC state corresponding to the two TRPs TRP0 and TRP1 is updated, and the second time, the TCI state of the CC corresponding to TRP0 is updated.

[0157] When the TCI status information carried by M-DCI indicates a TCI status, only the TCI status on the CC / BWP configured as M-DCI is updated. Then, based on the CORESETPoolIndex value, the TCI status of the TRP corresponding to the CORESETPoolIndex value is updated on these CC / BWPs.

[0158] For example, if the DCI transmitted on a CORESET associated with CORESETPoolIndex0 indicates TCI_7, it is used to update the TCI state of the channels associated with CORESETPoolIndex0 on CC_0 and CC_1. For example, on CC_0, CORESET0 and CORESET1 are set to be associated with CORESETPoolIndex0, and on CC_1, CORESET0, CORESET1, and CORESET2 are set to be associated with CORESETPoolIndex0. In this way, both CORESET0 and CORESET1 on CC_0 are updated to TCI_7, and similarly, CORESET0, CORESET1, and CORESET2 on CC_1 are all updated to TCI_7.

[0159] In this way, the terminal can distinguish different CCs in the list depending on whether the base station sets CORESETPoolIndex, thereby updating only the TCI status of the partial CCs in the list that correspond to the DCI signaling type of the DCI where the TCI status indication information is located, each time.

[0160] It should be understood that the ability of a terminal to distinguish between different CCs in the list based on whether the base station sets CORESETPoolIndex means that the terminal can distinguish whether a CC in the list is in S-DCI mode or M-DCI mode based on whether the base station sets CORESETPoolIndex, and can update the CC for the corresponding mode based on the DCI signaling type.

[0161] Embodiment 2: The base station sets a TRP-specific CC list for the terminal, that is, one CC list is set for each TRP. In this embodiment, the CC list is a CC list set individually for each TRP, and among the multiple CC lists in this embodiment, each CC list corresponds to a different TRP.

[0162] Table 2 is CC list 2 according to the embodiment of this disclosure, and Table 3 is CC list 3 according to the embodiment of this disclosure. The base station sets two CC lists, Table 2 and Table 3, for the terminal. Table 2. CC List Part 2 [Table 2] Table 3. CC List Part 3 [Table 3]

[0163] Here, each CC list corresponds to one TRP, and each CC list may contain different CCs. The phrase "each CC list may contain different CCs" can mean that they contain different numbers of CCs, and "each CC list may contain different CCs" can also mean that if the number of CCs is the same, the specific CCs they contain are different. For example, Table 2 corresponds to TRP0 and contains N CCs, and Table 3 corresponds to TRP1 and contains N-1 CCs (excluding CC_1 and CC_2, but including CC_N). Assuming that CORESETPoolIndex is set for CC_0 and CC_N-1, this means they are set as M-DCI mode and can be applied to mTRP transmission, while the remaining CCs are all set as S-DCI mode.

[0164] When TCI status indication is performed using the TCI status indication information carried by S-DCI, if the TCI status of two TRPs is indicated, the CC / BWP set as S-DCI mode in each CC list will update its TCI status accordingly. For example, S-DCI indicates two TCI states represented as TCI_5 and TCI_8. In this case, all CCs in Table 2 except CC_0 and CC_N-1 set as M-TRP mode will have their TRP0 TCI status updated to TCI_5. Similarly, all CCs in Table 3 except CC_0 and CC_N-1 set as M-TRP mode will have their TRP1 TCI status updated to TCI_8.

[0165] When TCI status indication is performed using TCI status indication information carried by S-DCI, if the TCI status of one TRP is indicated, and the TCI status indication information indicates that the TCI status of one of those TRPs should be updated, the CCs in the CC list of the corresponding TRP will be updated, and the TCI status of the CCs in the other list will be preserved. For example, if the TCI status indication information carried by S-DCI indicates that TCI_6 is being used to update the TCI status of TRP1, then in Table 3, all CCs except CC_0 and CC_N-1, which are set as M-TRP mode, will have their TCI status for TRP1 updated to TCI_6, while the TCI status of TRP0 in the CCs in Table 2 will remain unchanged.

[0166] When S-DCI uses the TCI state indication information to switch from mTRP to sTRP, the TCI state in the corresponding CC list is updated, the TCI state of the same CC index in another CC list becomes invalid, and the TCI states of the remaining CCs remain unchanged. Simultaneous s-TRP / m-TRP switching of multiple CCs / BWPs is achieved. For example, S-DCI instructs that TCI_10 switches from mTRP to sTRP and also switches to TRP0. In this way, all CCs in Table 2 except CC_0 and CC_N-1, which are set to M-DCI mode, have their TRP0 TCI state updated to TCI_10. On the other hand, all CCs in Table 3 except CC_0, CC_N-1, and CC_N, which are set to M-DCI mode, have their TRP1 TCI states invalidated. The TRP1 states of CC_0, CC_N-1, and CC_N remain unchanged.

[0167] When the TCI state is indicated by the TCI state information carried by M-DCI, only the TCI state of the CC list corresponding to the M-DCI mode in the CC list corresponding to CORESETPoolIndex is updated. For example, if the DCI transmitted on the CORESET associated with CORESETPoolIndex0 indicates TCI_7, the TCI state of TRP0 on the CC set as M-DCI mode in Table 2 is updated. That is, the TCI states on CC_0 and CC_N-1 are updated to TCI_7. If the DCI transmitted on the CORESET associated with CORESETPoolIndex0 indicates TCI_7, the TCI state of TRP0 on the CC set as M-DCI mode in Table 2 is updated, that is, the TCI states on CC_0 and CC_N-1 in Table 2 are updated to TCI_7. If the DCI transmitted on the CORESET associated with CORESETPoolIndex1 indicates TCI_3, then the TCI state of TRP1 on the CC configured as M-DCI mode in Table 3 is updated, i.e., the TCI states on CC_0 and CC_N-1 in Table 3 are updated to TCI_3. Please understand that TRP0 is associated with CORESETPoolIndex0 and TRP1 is associated with CORESETPoolIndex1. The DCI signaling types for M-DCI are associated with CORESETPoolIndex0 and CORESETPoolIndex1.

[0168] It should be understood that a switch in TCI state information from mTRP to sTRP may occur if the most recent TCI state information indicates multiple TCI states, and the current TCI state information indicates one TCI state. Similarly, a switch in TCI state information from sTRP to mTRP may occur if the most recent TCI state information indicates one TCI state, and the current TCI state information indicates multiple TCI states.

[0169] Embodiment 3: Different CCs are divided into three CC lists depending on whether or not they support mTRP transmission. In this embodiment, the CC lists are set based on the TRP transmission type corresponding to the component carrier or bandwidth portion, and the multiple CC lists in this embodiment include a CC list corresponding to CCs / BWPs that support mTRP transmission and a CC list corresponding to CCs / BWPs that support sTRP transmission only.

[0170] Table 4 is CC list 4 according to the embodiment of this disclosure, Table 5 is CC list 5 according to the embodiment of this disclosure, and Table 6 is CC list 6 according to the embodiment of this disclosure. The base station sets three CC lists, Table 4, Table 5, and Table 6, for the terminal as described in Tables 4, 5, and 6. Table 4. CC List Part 4 [Table 4] Table 5. CC List Part 5 [Table 5] Table 6. CC List Part 6 [Table 6]

[0171] Here, Table 4 shows CCs that can support only sTRP transmission and corresponds to TRP0. Table 5 shows CCs that can support mTRP transmission. On the other hand, Table 6 shows CCs that can support only sTRP transmission and corresponds to TRP1. The CCs in each list are all different. For some CCs in Table 5, the base station can set CORESETPoolIndex, which means that these CCs are set in M-DCI mode, i.e., these CCs use TCI state indication information carried by M-DCI to make TCI state indications, and can be applied to mTRP transmission. Hereinafter, we will assume that none of the CCs in Table 5 have CORESETPoolIndex set and that they are all set in S-DCI mode.

[0172] When TCI status indication is performed using TCI status indication information carried by S-DCI, if the TCI status indication information indicates the TCI status of two TRPs, then all three CC lists will update the TCI status of the TRPs on that CC. For example, if the TCI status indication information carried by S-DCI indicates two TCI statuses represented as TCI_5 and TCI_8, where TCI_5 corresponds to TRP0 and TCI_8 corresponds to TRP1, then in this case, all CCs in Tables 4 and 5 will have their TCI status of TRP0 updated to TCI_5. Similarly, all CCs in Tables 5 and 6 will have their TCI status of TRP1 updated to TCI_8.

[0173] TCI status indication is performed by adopting the TCI status indication information carried by S-DCI. If the TCI status indication information indicates the TCI status of one TRP, and the TCI indicates that the TCI status of one of those TRPs should be updated, then the CCs in the two CC lists of the corresponding TRP are updated, and the TCI status of the CCs in the other list is preserved. For example, if the TCI status indication information carried by S-DCI indicates that TCI_6 is used to update the TCI status of TRP1, then all CCs in Tables 5 and 6 will have their TCI status for TRP1 updated to TCI_6, while the TCI status of TRP0 in the CCs in Table 4 and Table 5 remains unchanged.

[0174] If the TCI state indication information carried by S-DCI indicates a switch from mTRP to sTRP, the TCI state in the corresponding CC list is updated, while the TCI states of the remaining CCs in the list remain unchanged. Simultaneous s-TRP / M-TRP switching of multiple CCs / BWPs is achieved. For example, S-DCI instructs that TCI_10 switches from mTRP to sTRP and also switches to TRP0. In this way, all CCs in Tables 4 and 5 have their TRP0 TCI state updated to TCI_10. On the other hand, all CCs in Table 5 have their TRP1 TCI states invalidated. All CCs in Table 6 have their TRP1 TCI states remain unchanged.

[0175] Embodiment 4: In embodiments 1-3 described above, it is not necessary to distinguish between S-DCI mode and M-DCI mode mTRPs when updating the TCI state. The TCI state of the CC's TRP in the corresponding list may be updated using the TCI state indicated by the TCI state indication information carried by S-DCI, or the TCI state of the CC's TRP in the corresponding list may be updated using the TCI state indicated by the TCI state indication information carried by M-DCI.

[0176] Using Embodiment 1 as an example, the base station sets up a single CC list containing N CCs for the terminal. This is as shown in Table 1.

[0177] Here, the CORESET for CC_0 and CC_1 has the CORESETPoolIndex set, which means that it is set to M-DCI mode on CC_0 and CC_1 and can be applied to mTRP transmission. The remaining CCs do not have the CORESETPoolIndex set, which means that they are set to S-DCI mode.

[0178] When TCI status indication is performed using TCI status indication information carried by S-DCI, only the TCI status on all CC / BWPs is updated. For example, if S-DCI indicates one TCI status, TCI_5, and sTRP transmission is used, then CC_2, ..., CC_N-1 are all updated to TCI_5. On the other hand, the TCI status of the TRP corresponding to CORESETPoolIndex0 on CC_0 and CC_1 is updated to TCI_5, while the TCI status of the TRP corresponding to CORESETPoolIndex1 remains unchanged. If S-DCI indicates two TCI statuses (TCI_6, TCI_8), then CC_2, ..., CC_N-1 are all updated to TCI_6 and TCI_8. Different TRP channels on each CC use TCI_6 and TCI_8 respectively for transmission, and in this case, mTRP transmission is used. In CC_0 and CC_1, the TCI state of the TRP corresponding to CORESETPoolIndex0 is updated to TCI_6, and the TCI state of the TRP corresponding to CORESETPoolIndex1 is updated to TCI_8.

[0179] When TCI state indication information carried by M-DCI indicates a TCI state, it can indicate only one TCI state, enabling the TCI state update of one TRP, and preventing dynamic switching between sTRP and mTRP. For example, if the DCI transmitted on the CORESET associated with CORESETPoolIndex0 indicates TCI_7, it is used to update the TCI state of the TRP on CC_0 and CC_1 that corresponds to CORESETPoolIndex0. For CC_2, ..., CC_N-1, the TCI state used for TRP0 is updated to TCI_7 in all cases. For TRP1, a different DCI must be used to indicate it, and the update method is the same as for TRP0, so please understand that the explanation is omitted here.

[0180] Other embodiments are similar to this one and will not be described.

[0181] Embodiment 5: Depending on whether the system is set to S-DCI mode or M-DCI mode, as indicated by TCI status information supporting S-DCI or TCI status information supporting M-DCI, the CC list can be further divided to set a CC list for S-DCI mode and a CC list for M-DCI mode, respectively. The remaining instruction methods are the same as described above and will not be explained further.

[0182] Embodiment 6: As described in Embodiment 1-5, the TCI state instruction information that the base station instructs the terminal can instruct one TCI state to update the TCI state of the corresponding TRP on the corresponding CC list. This scenario corresponds to a federated TCI mode, i.e., each TRP transmits and receives using the same uplink and downlink beams. Another scenario is the independent TCI mode, where different uplink and downlink beams are used for each TRP. In this case, the base station needs to instruct the terminal with a single TCI state group, which includes the uplink TCI state and the downlink TCI state. In embodiments of this disclosure, the TCI state instruction information that the base station instructs the terminal is used to update a single TCI state group, i.e., to update the TCI state group for the corresponding TRP on the corresponding CC list. The remaining schemes are all the same and are omitted from description.

[0183] Hereinafter, a transmission setting indicator TCI status indicator device according to an embodiment of this disclosure will be described with reference to the drawings of the embodiment of this disclosure.

[0184] Referring to Figure 3, Figure 3 is a schematic diagram (1) of the structure of a transmission setting indicator TCI status indicator device according to an embodiment of the present disclosure, and the embodiment of the present disclosure provides a transmission setting indicator TCI status indicator device applied to a terminal, and the device is A first receiving unit 310 for receiving transmission setting indicator TCI status information transmitted from a base station, A first update unit 320 for updating the target state of a component carrier or bandwidth portion in the component carrier CC list based on the TCI state indication information, The CC list is pre-configured by the base station for the terminal, the CC list corresponds to a plurality of TCI states or a plurality of TCI state groups, the CC list is one or more, and the target state of the component carrier or band portion includes the TCI state of the component carrier, the TCI state group of the component carrier, the TCI state of the band portion, or the TCI state group of the band portion.

[0185] The transmission setting indicator TCI status indicator device according to the embodiment of this disclosure sets one or more CC lists in advance, receives TCI status indicator information transmitted from a base station, and updates the status (TCI status or TCI status group) in the CC list based on the TCI status indicator information, thereby enabling updating of CC / BWPs corresponding to multiple TRPs using one TCI status indicator piece of information. The transmission setting indicator TCI status indicator method according to the embodiment of this disclosure reduces the overhead of transmission setting indicator TCI status indicator signaling and ensures the transmission of mTRPs.

[0186] As an option, the CC list is, A CC list configured individually for each TRP. A CC list set based on the TRP transmission type corresponding to the component carrier or bandwidth portion, or Includes any type or combination thereof of a CC list configured based on DCI mode.

[0187] As an option, updating the target state of a component carrier or bandwidth portion in the component carrier CC list based on the TCI state indication information described above is: This includes updating the target state of the corresponding component carrier or bandwidth portion of the TCI state indication information based on the TCI state indication information.

[0188] Optionally, the component carrier or bandwidth portion in the CC list is The component carrier or bandwidth portion of the single downlink control information S-DC mode, and / or Includes the component carrier or bandwidth portion of the multi-downlink control information M-DCI mode, Updating the target state of a component carrier or bandwidth portion in the component carrier CC list based on the aforementioned TCI state instruction information is: If the DCI where the TCI status information is located is an S-DCI, the target state of the first component carrier or bandwidth portion corresponding to the S-DCI is updated, wherein the first component carrier or bandwidth portion is a component carrier or bandwidth portion in S-DCI mode in the CC list, or If the DCI in which the TCI status indication information is located is an M-DCI, the objective state of the second component carrier or bandwidth portion corresponding to the M-DCI is updated, which includes the second component carrier or bandwidth portion being a component carrier or bandwidth portion in M-DCI mode in the CC list.

[0189] Optionally, the apparatus further includes a first decision unit, the first decision unit is Based on a pre-configured first correspondence and the resource set in which the TCI status indication information is located, the DCI signaling type of the DCI in which the TCI status indication information is located is determined, and / or This is used to determine the TRP corresponding to the TCI status instruction information based on a pre-configured second correspondence and the resource set where the TCI status instruction information is located. The first correspondence is the correspondence between the resource set and the DCI signaling type, and the second correspondence is the correspondence between the resource set and the TRP.

[0190] Optionally, the TCI status information is used to indicate a TCI state or a group of TCI states.

[0191] Since the methods and apparatuses according to each embodiment of this disclosure are based on the concept of the same application, and the principles for solving the problems of the methods and apparatuses are similar, the above-described transmission setting indicator TCI status indicator apparatus according to the embodiments of this disclosure can realize all the steps of the method realized by the embodiment of the above-described transmission setting indicator TCI status indicator method applied to a terminal, and can achieve the same technical effects, so the implementation of the apparatus and method can refer to each other and avoid redundancy.

[0192] Referring to Figure 4, Figure 4 is a schematic diagram (part 2) of the structure of a transmission setting indicator TCI status indicator device according to an embodiment of the present disclosure, and the embodiment of the present disclosure provides a transmission setting indicator TCI status indicator device applied to a base station, the device is A second transmitting unit 410 is used to transmit transmission setting indicator TCI status information to a terminal, wherein the TCI status information is used to instruct the terminal to update the target state of a component carrier or bandwidth portion in the component carrier CC list. The CC list is pre-configured by the base station for the terminal, and the CC list corresponds to a plurality of TCI states or a plurality of TCI state groups, and the target state of the component carrier or bandwidth portion includes the TCI state of the component carrier, the TCI state group of the component carrier, the TCI state of the bandwidth portion, or the TCI state group of the bandwidth portion.

[0193] The transmission setting indicator TCI status indicator device according to the embodiment of this disclosure pre-sets one or more CC lists, receives TCI status indicator information transmitted from a base station, and updates the status (TCI status or TCI status group) in the CC list based on the TCI status indicator information, thereby enabling updating of CC / BWPs corresponding to multiple TRPs using one TCI status indicator piece of information. The transmission setting indicator TCI status indicator method according to the embodiment of this disclosure reduces the overhead of transmission setting indicator TCI status indicator signaling and guarantees the transmission of mTRPs.

[0194] As an option, the CC list is, A CC list configured individually for each TRP. A CC list set based on the TRP transmission type corresponding to the component carrier or bandwidth portion. Includes any type or combination thereof of a CC list configured based on DCI mode.

[0195] Optionally, the TCI status indicator information is used by the TRP corresponding to the TCI status indicator information to update the target state of the corresponding component carrier or bandwidth portion.

[0196] Optionally, the component carrier or bandwidth portion in the CC list is The component carrier or bandwidth portion of the single downlink control information S-DC mode, and / or Includes the component carrier or bandwidth portion of the multi-downlink control information M-DCI mode, If the DCI where the TCI status indicator information is located is an S-DCI, the TCI status indicator information is for updating the target state of the first component carrier or bandwidth portion corresponding to the S-DCI, and the first component carrier or bandwidth portion is the component carrier or bandwidth portion in S-DCI mode in the CC list, or If the DCI where the TCI status information is located is an M-DCI, the TCI status information is for updating the target state of a second component carrier or bandwidth portion corresponding to the M-DCI, and the second component carrier or bandwidth portion is the component carrier or bandwidth portion of the M-DCI mode in the CC list.

[0197] Optionally, the apparatus further includes a third transmitting unit for setting a first correspondence and / or a second correspondence to the terminal. The first correspondence is the correspondence between a resource set and a DCI signaling type, and the first correspondence is for determining the DCI signaling type of the DCI in which the TCI status information is located. The second correspondence is the correspondence between a resource set and a TRP, and the second correspondence is for determining the TRP corresponding to the TCI status information.

[0198] Optionally, the TCI status information is used to indicate a TCI state or a group of TCI states.

[0199] Since the methods and apparatuses according to each embodiment of this disclosure are based on the concept of the same application, and the principles for solving the problems of the methods and apparatuses are similar, the above-described transmission setting indicator TCI status indicator apparatus according to the embodiments of this disclosure can realize all the steps of the method realized by the embodiment of the transmission setting indicator TCI status indicator method applied to a base station, and can achieve the same technical effects, so the implementations of the apparatus and methods can refer to each other and omit any redundancies.

[0200] Figure 5 is a schematic diagram of the structure of a terminal according to an embodiment of the present disclosure, and as shown in Figure 5, the terminal includes a memory 520, a transceiver 500, and a processor 510, where the processor 510 and the memory 520 may be physically separated.

[0201] The memory 520 is for storing computer programs, and the transceiver 500 is for sending and receiving data under the control of the processor 510.

[0202] Specifically, the transceiver 500 is for receiving and transmitting data under the control of the processor 510.

[0203] In Figure 5, the bus interface 540 may include any number of interconnected buses and bridges, specifically, one or more processors represented by the processor 510 and various circuits of memory represented by the memory 520 are connected together. The bus interface 540 can also connect various other circuits, such as peripheral devices, voltage regulators, and power management circuits, all of which are well known in the art and will not be further described herein. The bus interface provides an interface. The transceiver 500 may consist of multiple elements, namely a transmitter and a receiver, and provides a unit for communicating with various other devices in a transmission medium. These transmission media include wireless channels, wired channels, optical cables, etc. A user interface 530 may further be included for different terminals, and the user interface 530 may be an interface that can be connected externally or internally to necessary equipment, including, but not limited to, keypads, displays, speakers, microphones, joysticks, etc.

[0204] The processor 510 manages the bus architecture and normal processing, and the memory 520 can store data used when the processor 510 performs operations.

[0205] Optionally, the processor 510 may be a central processing unit (CPU), an application-specific integrated circuit (ASIC), a field-programmable gate array (FPGA), or a complex programmable logic device (CPLD), and the processor may employ a multi-core architecture.

[0206] The processor 510 is used to call a computer program stored in memory 520 to perform an operation corresponding to the transmission setting indicator TCI status indication method applied to a terminal according to the embodiment of this disclosure, in accordance with the acquired executable instructions, for example, the operation is: Receiving transmission setting indicator TCI status information transmitted from the base station, This includes updating the target state of a component carrier or bandwidth portion in the component carrier CC list based on the TCI state indication information. The CC list is pre-configured by the base station for the terminal, the CC list corresponds to a plurality of TCI states or a plurality of TCI state groups, the CC list is one or more, and the target state of the component carrier or band portion includes the TCI state of the component carrier, the TCI state group of the component carrier, the TCI state of the band portion, or the TCI state group of the band portion.

[0207] As an option, the CC list is, A CC list configured individually for each TRP. A CC list set based on the TRP transmission type corresponding to the component carrier or bandwidth portion, or Includes any type or combination thereof of a CC list configured based on DCI mode.

[0208] As an option, updating the target state of a component carrier or bandwidth portion in the component carrier CC list based on the TCI state indication information described above is: This includes updating the target state of the corresponding component carrier or bandwidth portion of the TCI state indication information based on the TCI state indication information.

[0209] Optionally, the component carrier or bandwidth portion in the CC list is The component carrier or bandwidth portion of the single downlink control information S-DC mode, and / or Includes the component carrier or bandwidth portion of the multi-downlink control information M-DCI mode, Updating the target state of a component carrier or bandwidth portion in the component carrier CC list based on the aforementioned TCI state instruction information is: If the DCI where the TCI status information is located is an S-DCI, the target state of the first component carrier or bandwidth portion corresponding to the S-DCI is updated, wherein the first component carrier or bandwidth portion is a component carrier or bandwidth portion in S-DCI mode in the CC list, or If the DCI in which the TCI status indication information is located is an M-DCI, the objective state of the second component carrier or bandwidth portion corresponding to the M-DCI is updated, which includes the second component carrier or bandwidth portion being a component carrier or bandwidth portion in M-DCI mode in the CC list.

[0210] Optionally, the above operation is: Based on a pre-configured first correspondence and the resource set in which the TCI status indication information is located, the DCI signaling type of the DCI in which the TCI status indication information is located is determined, and / or The process further includes determining the TRP corresponding to the TCI status indicator information based on a pre-configured second correspondence and the resource set in which the TCI status indicator information is located, The first correspondence is the correspondence between the resource set and the DCI signaling type, and the second correspondence is the correspondence between the resource set and the TRP.

[0211] Optionally, the TCI state indication information is for indicating a TCI state or a TCI state group. Optionally, the TCI state indication information includes TCI single state indication information or TCI state group indication information. The aforementioned TCI single-state indication information is for indicating a single TCI state. The TCI status group instruction information includes uplink TCI status instruction information and downlink TCI status instruction information.

[0212] Furthermore, according to the above-described embodiment of this disclosure, all the steps of the method realized by the embodiment of the transmission setting indicator TCI status indication method applied to the terminal can be realized and the same technical effects can be achieved, and details of the same parts and beneficial effects as in the embodiment of the method in this embodiment are omitted here.

[0213] Figure 6 is a schematic diagram of the structure of a base station according to an embodiment of the present disclosure, and as shown in Figure 6, the base station includes a memory 620, a transceiver 600, and a processor 610, where the processor 610 and the memory 620 may be physically separated.

[0214] Memory 620 is used to store computer programs, and transceiver 600 is used to send and receive data under the control of processor 610.

[0215] Specifically, the transceiver 600 is used to receive and transmit data under the control of the processor 610.

[0216] In Figure 6, the bus interface 630 may include any number of interconnected buses and bridges, specifically, one or more processors represented by processor 610 and various memory circuits represented by memory 620 are connected together. The bus interface 630 can also connect various other circuits, such as peripheral devices, voltage regulators, and power management circuits, all of which are well known in the art and will not be further described herein. The bus interface provides an interface. The transceiver 600 may consist of multiple elements, namely a transmitter and a receiver, and provides a unit for communicating with various other devices over a transmission medium. These transmission mediums include wireless channels, wired channels, optical cables, and the like.

[0217] The processor 610 manages the bus architecture and normal operations, and the memory 620 can store data used when the processor 610 performs operations.

[0218] Optionally, the processor 610 may be a central processing unit (CPU), an application-specific integrated circuit (ASIC), a field-programmable gate array (FPGA), or a complex programmable logic device (CPLD), and the processor may employ a multi-core architecture.

[0219] The processor 610 is used to perform operations corresponding to a data transmission method applied to a base station, according to any embodiment of the present disclosure, by calling a computer program stored in memory 620, in accordance with the obtained executable instructions, for example, the operation is: Transmitting transmission setting indicator TCI state indication information to a terminal, wherein the TCI state indication information is for instructing the terminal to update a target state of a component carrier or a band part in a component carrier CC list. The CC list is preset by the base station for the terminal, the CC list corresponds to a plurality of TCI states or a plurality of TCI state groups, and the target state of the component carrier or the band part includes a TCI state of the component carrier, a TCI state group of the component carrier, a TCI state of the band part, or a TCI state group of the band part.

[0220] Optionally, the CC list is A CC list individually set for each TRP, A CC list set based on a TRP transmission type corresponding to a component carrier or a band part, A CC list set based on a DCI mode, including any type or a combination thereof.

[0221] Optionally, the TCI state indication information is for updating a target state of a component carrier or a band part corresponding to a TRP corresponding to the TCI state indication information.

[0222] Optionally, the component carrier or the band part in the CC list is A component carrier or a band part in a single downlink control information S-DC mode, and / or A component carrier or a band part in a multi downlink control information M-DCI mode, and when the DCI where the TCI state indication information is located is S-DCI, the TCI state indication information is for updating a target state of a first component carrier or a band part corresponding to the S-DCI, and the first component carrier or the band part is a component carrier or a band part in the S-DCI mode in the CC list, or ​ When the DCI in which the TCI state indication information is located is M-DCI, the TCI state indication information is for updating the target state of the second component carrier or the bandwidth part corresponding to the M-DCI, and the second component carrier or the bandwidth part is the component carrier or the bandwidth part in the M-DCI mode in the CC list.

[0223] Optionally, the operation further includes setting the first correspondence relationship and / or the second correspondence relationship for the terminal, the first correspondence relationship is the correspondence relationship between the resource set and the DCI signaling type, the first correspondence relationship is for determining the DCI signaling type of the DCI in which the TCI state indication information is located, the second correspondence relationship is the correspondence relationship between the resource set and the TRP, and the second correspondence relationship is for determining the TRP corresponding to the TCI state indication information.

[0224] Optionally, the TCI state indication information is for indicating a TCI state or a TCI state group. Optionally, the TCI state indication information includes TCI single state indication information or TCI state group indication information. The TCI single state indication information is for indicating one TCI state. The TCI state group indication information includes uplink TCI state indication information and downlink TCI state indication information.

[0225] It should be noted that according to the above base station according to the embodiment of the present disclosure, all the method steps realized by the embodiment of the above transmission setting indicator TCI state indication method applied to the base station can be realized, and the same technical effects can be achieved. Here, the same parts and the details of the beneficial effects in the method embodiment of this embodiment are omitted.

[0226] In the embodiments of this disclosure, the division of units is schematic and merely a logical functional division; other division methods may be possible in actual implementation. Furthermore, in each embodiment of this disclosure, each functional unit may be integrated into a single processing unit, each unit may exist physically independently, or two or more units may be integrated into a single unit. The integrated unit described above can be implemented in hardware form or in the form of a software functional unit.

[0227] The integrated units described above may be implemented in the form of software function units and, if sold or used as independent products, may be stored in a processor-readable storage medium. Based on this understanding, the proposed techniques of the present disclosure may be embodied in the form of a software product, either in essence, in a part that contributes to related technologies, or in whole or in part. Such computer software products are stored in a storage medium and include several instructions that cause a computer device (which may be a personal computer, server, or network device, etc.) or processor to perform all or part of the steps of the methods described in each embodiment of the present disclosure. The storage medium includes various media capable of storing program code, such as U disks, mobile hard disks, read-only memory (ROM), random access memory (RAM), magnetic disks, or optical disks.

[0228] On the other hand, embodiments of the present disclosure further provide a processor-readable storage medium in which a computer program is stored that causes a processor to execute a transmission setting indicator TCI status indication method applied to a terminal according to each of the above embodiments, the method being Receiving transmission setting indicator TCI status information transmitted from the base station, This includes updating the target state of a component carrier or bandwidth portion in the component carrier CC list based on the TCI state indication information. The CC list is pre-configured by the base station for the terminal, the CC list corresponds to a plurality of TCI states or a plurality of TCI state groups, the CC list is one or more, and the target state of the component carrier or band portion includes the TCI state of the component carrier, the TCI state group of the component carrier, the TCI state of the band portion, or the TCI state group of the band portion.

[0229] On the other hand, embodiments of the present disclosure further provide a processor-readable storage medium in which a computer program causing a processor to execute a transmission setting indicator TCI status indication method applied to a base station according to each of the above embodiments is stored, the method is The process involves transmitting transmission setting indicator TCI status information to a terminal, wherein the TCI status information is intended to instruct the terminal to update the target state of a component carrier or bandwidth portion in the component carrier CC list. The CC list is pre-configured by the base station for the terminal, and the CC list corresponds to a plurality of TCI states or a plurality of TCI state groups, and the target state of the component carrier or bandwidth portion includes the TCI state of the component carrier, the TCI state group of the component carrier, the TCI state of the bandwidth portion, or the TCI state group of the bandwidth portion.

[0230] The processor-readable storage medium may be any available medium or data storage device accessible by the processor, and includes, but is not limited to, magnetic memory (e.g., flexible disks, hard disks, magnetic tapes, magneto-optical disks (MO), etc.), optical memory (e.g., CDs, DVDs, BDs, HVDs, etc.), semiconductor memory (e.g., ROMs, EPROMs, EEPROMs, non-volatile memory (NAND flash), solid-state drives (SSDs)), etc.

[0231] As those skilled in the art will understand, embodiments of the present disclosure may be provided as methods, systems, or computer program products. Accordingly, the present disclosure may take the form of complete hardware embodiments, complete software embodiments, or embodiments combining software and hardware. Furthermore, the present disclosure may take the form of a computer program product implemented on one or more computer-accessible storage media (including, but not limited to, magnetic disk memory, optical memory, etc.) containing computer-accessible program code.

[0232] This disclosure will be described with reference to flowcharts and / or block diagrams of methods, devices (systems), and computer program products according to embodiments of this disclosure. It should be understood that each flow and / or block in the flowcharts and / or block diagrams, and combinations of flows and / or blocks in the flowcharts and / or block diagrams, can be realized by computer-executable instructions. These computer-executable instructions are provided to the processor of a general-purpose computer, a dedicated computer, an embedded processor, or other programmable data processing device to generate a machine, and the instructions executed by the processor of the computer or other programmable data processing device generate a device for realizing a function specified in one or more flows and / or blocks in a flowchart and / or block diagram.

[0233] These processor-executable instructions are stored in processor-readable memory that can operate a computer or other programmable data processing device in a specific manner, and the instructions stored in said processor-readable memory can also generate a product including instruction means. The instruction means implements the functions specified in one or more flows in a flowchart and / or one or more blocks in a block diagram.

[0234] These processor-executable instructions can also be loaded into a computer or other programmable data processing device to cause the computer or other programmable device to execute a series of operational steps in order to generate processing that is implemented by the computer. Thus, the instructions executed by the computer or other programmable device provide steps to implement the functions specified in one or more flows in a flowchart and / or one or more blocks in a block diagram.

[0235] Of course, those skilled in the art can make various changes and modifications to this disclosure without departing from the spirit and scope of this disclosure. Thus, if such changes and modifications to this disclosure fall within the claims of this disclosure and their equivalent technical scope, this disclosure is also intended to include such changes and modifications.

Claims

1. A transmission setting indicator TCI status indication method applied to a terminal, Receiving transmission setting indicator TCI status information transmitted from the base station, This includes updating the target state of a component carrier or bandwidth portion in the component carrier CC list based on the TCI status indication information. The CC list is pre-configured by the base station for the terminal, the CC list corresponds to a plurality of TCI states or a plurality of TCI state groups, the CC list is one or more, and the target state of the component carrier or bandwidth portion includes the TCI state of the component carrier, the TCI state group of the component carrier, the TCI state of the bandwidth portion, or the TCI state group of the bandwidth portion. The component carrier or bandwidth portion in the aforementioned CC list is The component carrier or bandwidth portion of the single downlink control information S-DCI mode, and / or Includes the component carrier or bandwidth portion of the multi-downlink control information M-DCI mode, Updating the target state of a component carrier or bandwidth portion in the component carrier CC list based on the aforementioned TCI status indication information is: If the DCI where the TCI status information is located is an S-DCI, the target state of the first component carrier or bandwidth portion corresponding to the S-DCI is updated, wherein the first component carrier or bandwidth portion is a component carrier or bandwidth portion in S-DCI mode in the CC list, or A transmission setting indicator TCI status indication method, which includes updating the target state of a second component carrier or bandwidth portion corresponding to the M-DCI when the DCI in which the TCI status indication information is located is an M-DCI, wherein the second component carrier or bandwidth portion is a component carrier or bandwidth portion of the M-DCI mode in the CC list.

2. The aforementioned CC list is, CC list set individually for each TRP, A CC list set based on the TRP transmission type corresponding to the component carrier or bandwidth portion, or A transmission setting indicator TCI status indication method according to claim 1, comprising any type or combination thereof of a CC list set based on DCI mode.

3. Updating the target state of a component carrier or bandwidth portion in the component carrier CC list based on the aforementioned TCI status indication information is: A transmission setting indicator TCI status indication method according to claim 1, comprising updating the target state of the corresponding component carrier or bandwidth portion of the TRP corresponding to the TCI status indication information based on the TCI status indication information.

4. Based on a pre-configured first correspondence and the resource set in which the TCI status indication information is located, the DCI signaling type of the DCI in which the TCI status indication information is located is determined, and / or The method further includes determining the TRP corresponding to the TCI status indication information based on a pre-configured second correspondence and the resource set in which the TCI status indication information is located. The transmission setting indicator TCI status indication method according to claim 1, wherein the first correspondence is the correspondence between the resource set and the DCI signaling type, and the second correspondence is the correspondence between the resource set and the TRP.

5. The transmission setting indicator TCI status indication method according to any one of claims 1 to 3, wherein the TCI status indication information is for indicating a TCI status or a TCI status group.

6. A transmission setting indicator TCI status indication method applicable to a base station, The process involves transmitting transmission setting indicator TCI status instruction information to a terminal, wherein the TCI status instruction information is intended to instruct the terminal to update the target state of a component carrier or bandwidth portion in the component carrier CC list. The CC list is pre-configured by the base station for the terminal, and the CC list corresponds to a plurality of TCI states or a plurality of TCI state groups, and the target state of the component carrier or bandwidth portion includes the TCI state of the component carrier, the TCI state group of the component carrier, the TCI state of the bandwidth portion, or the TCI state group of the bandwidth portion. The component carrier or bandwidth portion in the aforementioned CC list is The component carrier or bandwidth portion of the single downlink control information S-DCI mode, and / or Includes the component carrier or bandwidth portion of the multi-downlink control information M-DCI mode, If the DCI where the TCI status information is located is an S-DCI, the TCI status information is for updating the target state of the first component carrier or bandwidth portion corresponding to the S-DCI, and the first component carrier or bandwidth portion is the component carrier or bandwidth portion of the S-DCI mode in the CC list, or A transmission setting indicator TCI status indication method, wherein, when the DCI in which the TCI status indication information is located is an M-DCI, the TCI status indication information is for updating the target state of a second component carrier or bandwidth portion corresponding to the M-DCI, and the second component carrier or bandwidth portion is a component carrier or bandwidth portion of the M-DCI mode in the CC list.

7. The aforementioned CC list is, CC list set individually for each TRP, A CC list set based on the TRP transmission type corresponding to the component carrier or bandwidth portion. A transmission setting indicator TCI status indication method according to claim 6, comprising any type or combination thereof of a CC list set based on DCI mode.

8. The transmission setting indicator TCI status indication method according to claim 6, wherein the TCI status indication information is for updating the target state of the component carrier or bandwidth portion corresponding to the TRP corresponding to the TCI status indication information.

9. The method further includes setting a first correspondence and / or a second correspondence on the terminal, The transmission setting indicator TCI status indication method according to claim 6, wherein the first correspondence is a correspondence between a resource set and a DCI signaling type, the first correspondence is for determining the DCI signaling type of the DCI in which the TCI status indication information is located, and the second correspondence is a correspondence between a resource set and a TRP, the second correspondence is for determining the TRP corresponding to the TCI status indication information.

10. The transmission setting indicator TCI status indication method according to any one of claims 6 to 8, wherein the TCI status indication information is for indicating a TCI status or a TCI status group.

11. A transmission setting indicator TCI status indicator device applied to a terminal, A first receiving unit for receiving transmission setting indicator TCI status information transmitted from a base station, Includes a first update unit for updating the target state of a component carrier or bandwidth portion in the component carrier CC list based on the TCI status indication information, The CC list is pre-configured by the base station for the terminal, the CC list corresponds to a plurality of TCI states or a plurality of TCI state groups, the CC list is one or more, and the target state of the component carrier or bandwidth portion includes the TCI state of the component carrier, the TCI state group of the component carrier, the TCI state of the bandwidth portion, or the TCI state group of the bandwidth portion. The component carrier or bandwidth portion in the aforementioned CC list is The component carrier or bandwidth portion of the single downlink control information S-DCI mode, and / or Includes the component carrier or bandwidth portion of the multi-downlink control information M-DCI mode, Updating the target state of a component carrier or bandwidth portion in the component carrier CC list based on the aforementioned TCI status indication information is: If the DCI where the TCI status information is located is an S-DCI, the target state of the first component carrier or bandwidth portion corresponding to the S-DCI is updated, wherein the first component carrier or bandwidth portion is a component carrier or bandwidth portion in S-DCI mode in the CC list, or A transmission setting indicator TCI status indicator device, which, when the DCI in which the TCI status indicator information is located is an M-DCI, updates the target state of a second component carrier or bandwidth portion corresponding to the M-DCI, wherein the second component carrier or bandwidth portion is a component carrier or bandwidth portion of the M-DCI mode in the CC list.

12. A transmission setting indicator TCI status indicator device applied to a base station, A second transmission unit for transmitting transmission setting indicator TCI status information to a terminal, wherein the TCI status information is for instructing the terminal to update the target state of a component carrier or bandwidth portion in the component carrier CC list. The CC list is pre-configured by the base station for the terminal, and the CC list corresponds to a plurality of TCI states or a plurality of TCI state groups, and the target state of the component carrier or bandwidth portion includes the TCI state of the component carrier, the TCI state group of the component carrier, the TCI state of the bandwidth portion, or the TCI state group of the bandwidth portion. The component carrier or bandwidth portion in the aforementioned CC list is The component carrier or bandwidth portion of the single downlink control information S-DCI mode, and / or Includes the component carrier or bandwidth portion of the multi-downlink control information M-DCI mode, If the DCI where the TCI status information is located is an S-DCI, the TCI status information is for updating the target state of the first component carrier or bandwidth portion corresponding to the S-DCI, and the first component carrier or bandwidth portion is the component carrier or bandwidth portion of the S-DCI mode in the CC list, or A transmission setting indicator TCI status indicator device, wherein, when the DCI in which the TCI status indicator information is located is an M-DCI, the TCI status indicator information is for updating the target state of a second component carrier or bandwidth portion corresponding to the M-DCI, and the second component carrier or bandwidth portion is a component carrier or bandwidth portion of the M-DCI mode in the CC list.

13. A non-temporary processor-readable storage medium that stores a computer program for causing a processor to execute the transmission setting indicator TCI status indication method according to any one of claims 1 to 5, or for causing a processor to execute the transmission setting indicator TCI status indication method according to any one of claims 6 to 10.

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