Method and apparatus for determining transmission configuration indication status - Patents.com

Abstract

The embodiments of the present disclosure disclose a method and apparatus for determining a transmission configuration indication state, which can be applied to the field of communication technology. The method performed by a terminal device includes receiving first indication information, the first indication information being used to indicate at least two sets of transmission configuration indication (TCI) states, and determining a TCI state for the transmission of the channel and / or signal based on the settings for the channel and / or signal. Thus, after receiving the at least two sets of TCI states, the terminal device determines a TCI state for the transmission of the channel and / or signal based on the settings for the channel and / or signal, so that the TCI state for the transmission of the channel and / or signal determined by the terminal device is consistent with that determined by the network device, ensuring the reliability of transmission and improving the transmission quality.

Description

[Technical field]

[0001] The present disclosure relates to the field of communications technology, and more particularly to a method and apparatus for determining a transmission configuration indication state. [Background technology]

[0002] In order to guarantee coverage, communication systems must use beam-based transmission and reception.

[0003] In related systems, a joint transmission configuration indication (TCI) state can be used to perform uplink-downlink split indication or joint indication in order to reduce signaling overhead. Meanwhile, when multiple sets of TCI states are indicated by a single downlink control information (DCI), how does a terminal device determine which TCI state to use for transmission and how to maintain a consensus on the use of TCI states between terminal devices and network devices is currently an issue that needs to be resolved urgently. Summary of the Invention [Problem to be solved by the invention]

[0004] SUMMARY OF THE DISCLOSURE The embodiments of the present disclosure provide a method and apparatus for determining a transmission configuration indication state. [Means for solving the problem]

[0005] According to a first aspect, an embodiment of the present disclosure provides a method for determining a transmission configuration indication state, the method being executed by a terminal device, the method including: receiving first indication information, the first indication information being used to indicate at least two sets of transmission configuration indication (TCI) states; and determining a TCI state for transmission of the channel and / or signal based on a configuration for the channel and / or signal.

[0006] In the present disclosure, after receiving at least two sets of TCI states transmitted by a network device, a terminal device can determine a TCI state for transmission of a channel and / or signal based on settings for the channel and / or signal, thereby ensuring that the TCI state for transmission of the channel and / or signal determined by the terminal device is consistent with that determined by the network device, ensuring transmission reliability, and improving transmission quality.

[0007] According to a second aspect, an embodiment of the present disclosure provides a method for determining a transmission configuration indication state, the method being executed by a network device, the method including: transmitting first indication information to a terminal device, the first indication information being used to indicate at least two sets of transmission configuration indication (TCI) states; and determining a TCI state for transmission of the channels and / or signals based on settings for the channels and / or signals in the terminal device.

[0008] In the present disclosure, a network device can send at least two sets of TCI states to a terminal device and then determine a TCI state for transmission of a channel and / or signal based on settings for the channel and / or signal, thereby ensuring that the TCI state for transmission of the channel and / or signal determined by the terminal device is consistent with that determined by the network device, ensuring transmission reliability, and improving transmission quality.

[0009] According to a third aspect, an embodiment of the present disclosure provides a communication apparatus, the apparatus being configured in a terminal device, the communication apparatus including: a transceiver module for receiving first indication information, the first indication information being used to indicate at least two sets of transmission configuration indication (TCI) states; and a processing module for determining a TCI state for transmission of the channel and / or signal based on a configuration for the channel and / or signal.

[0010] According to a fourth aspect, an embodiment of the present disclosure provides a communication apparatus, the apparatus including: a transceiver module configured in a network device for transmitting first indication information to a terminal device, the first indication information being used to indicate at least two sets of transmission configuration indication (TCI) states; and a processing module for determining a TCI state for transmission of the channel and / or signal based on a setting for the channel and / or signal in the terminal device.

[0011] According to a fifth aspect, an embodiment of the present disclosure provides a communication device, the communication device including a processor, the communication device executing the method according to the first aspect when the processor invokes a computer program in a memory.

[0012] According to a sixth aspect, an embodiment of the present disclosure provides a communication device, the communication device including a processor, the communication device executing the method according to the second aspect when the processor invokes a computer program in a memory.

[0013] According to a seventh aspect, an embodiment of the present disclosure provides a communication device, the communication device including a processor and a memory, a computer program stored in the memory, and the processor executes the computer program stored in the memory to cause the communication device to perform the method according to the first aspect.

[0014] According to an eighth aspect, an embodiment of the present disclosure provides a communication device, the communication device including a processor and a memory, a computer program stored in the memory, and the processor executes the computer program stored in the memory to cause the communication device to perform the method according to the second aspect.

[0015] According to a ninth aspect, an embodiment of the present disclosure provides a communication device, the device including a processor and an interface circuit, the interface circuit being used for receiving and transmitting code instructions to the processor, the processor executing the code instructions to cause the device to perform the method according to the first aspect.

[0016] According to a tenth aspect, an embodiment of the present disclosure provides a communication device, the device including a processor and an interface circuit, the interface circuit being used to receive and transmit code instructions to the processor, the processor executing the code instructions to cause the device to perform the method according to the second aspect.

[0017] According to an eleventh aspect, an embodiment of the present disclosure provides a communication system, the system comprising a communication device according to the third aspect and a communication device according to the fourth aspect, or the system comprising a communication device according to the fifth aspect and a communication device according to the sixth aspect, or the system comprising a communication device according to the seventh aspect and a communication device according to the eighth aspect, or the system comprising a communication device according to the ninth aspect and a communication device according to the tenth aspect.

[0018] According to a twelfth aspect, an embodiment of the present invention provides a computer readable storage medium, used to store instructions for use in a terminal device as defined above, which, when executed, cause the terminal device to perform the method according to the first aspect.

[0019] According to a thirteenth aspect, an embodiment of the present invention provides a readable storage medium, used to store instructions for use in a network device as defined above, which, when executed, cause the network device to perform the method according to the second aspect.

[0020] According to a fourteenth aspect, the present disclosure provides a computer program product comprising a computer program, which, when executed on a computer, causes the computer to perform the method according to the first aspect above.

[0021] According to a fifteenth aspect, the present disclosure provides a computer program product comprising a computer program, which, when executed on a computer, causes the computer to perform the method according to the second aspect above.

[0022] According to a sixteenth aspect, the present disclosure provides a chip system, the chip system including at least one processor and an interface, used to support a terminal device to realize the function according to the first aspect, for example, to determine or process at least one of the data and information according to the above-mentioned method. In a possible design, the chip system further includes a memory, the memory being used to store computer programs and data required by the terminal device. The chip system may be composed of a chip, or may include a chip and other discrete devices.

[0023] According to a seventeenth aspect, the present disclosure provides a chip system, the chip system including at least one processor and an interface, used to support a network device to realize the functionality according to the second aspect, for example, to determine or process at least one of the data and information according to the above method. In a possible design, the chip system further includes a memory, the memory being used to store computer programs and data required by the network device. The chip system may be comprised of a chip, or may include chips and other discrete devices.

[0024] According to an eighteenth aspect, the present disclosure provides a computer program which, when executed on a computer, causes the computer to perform the method according to the first aspect above.

[0025] According to a nineteenth aspect, the present disclosure provides a computer program which, when executed on a computer, causes the computer to perform the method according to the second aspect above. [Brief description of the drawings]

[0026] In order to more clearly describe the technical solutions in the embodiments or background art of the present application, the drawings which need to be used in the embodiments or background art of the present application are described below.

[0027] [Figure 1] 1 is a schematic architecture diagram of a communication system provided by an embodiment of the present disclosure. [Diagram 2] 4 is a flowchart of a method for determining a transmission setting indication state provided by an embodiment of the present disclosure. [Diagram 3] 4 is a flowchart of a method for determining another transmission setting indication state provided by an embodiment of the present disclosure; [Figure 4] 4 is a flowchart of a method for determining another transmission setting indication state provided by an embodiment of the present disclosure; [Diagram 5]4 is a flowchart of a method for determining another transmission setting indication state provided by an embodiment of the present disclosure; [Figure 6] 4 is a flowchart of a method for determining another transmission setting indication state provided by an embodiment of the present disclosure; [Figure 7] 4 is a flowchart of a method for determining another transmission setting indication state provided by an embodiment of the present disclosure; [Figure 8] 4 is a flowchart of a method for determining another transmission setting indication state provided by an embodiment of the present disclosure; [Figure 9] 4 is a flowchart of a method for determining another transmission setting indication state provided by an embodiment of the present disclosure; [Figure 10] 4 is a flowchart of a method for determining another transmission setting indication state provided by an embodiment of the present disclosure; [Figure 11] 4 is a flowchart of a method for determining another transmission setting indication state provided by an embodiment of the present disclosure; [Figure 12] FIG. 1 is a schematic configuration diagram of a communication device provided according to an embodiment of the present disclosure. [Figure 13] FIG. 2 is a schematic configuration diagram of another communication device provided by an embodiment of the present disclosure. [Figure 14] FIG. 1 shows a schematic diagram of a chip provided according to an embodiment of the present disclosure. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0028] To facilitate understanding, we first introduce some terminology relevant to this disclosure.

[0029] 1. Transmission configuration indication (TCI) It is used to inform the user to receive a physical downlink control channel (PDCCH), a physical downlink shared channel (PDSCH), and use the same reception spatial parameters / information as which synchronization signal block (SSB) or channel state information reference signal (CSI-RS) transmitted by the receiving network device, or to inform the user to transmit a physical uplink control channel (PUCCH), a physical uplink shared channel (PUSCH), using the same transmission spatial parameters / information as which reference signal (e.g., SRS or CSI-RS) to transmit.

[0030] 2. Downlink control information (DCI) The downlink control information carried by the downlink physical control channel (PDCCH) and transmitted by the network device to the terminal device includes uplink / downlink resource allocation, Hybrid Automatic Repeat reQuest (HARQ) information, power control, etc.

[0031] In order to better understand the method for determining a transmission setting indication state disclosed in the embodiments of the present disclosure, the following first describes a communication system applicable to the embodiments of the present disclosure.

[0032] Referring to Figure 1, Figure 1 is an architecture of a communication system provided by an embodiment of the present application. The communication system can include, but is not limited to, one network device and one terminal device, and the number and form of devices shown in Figure 1 are only examples and do not constitute limitations of the embodiment of the present application, and in actual applications, the system can include two or more network devices and two or more terminal devices. The communication system shown in Figure 1 takes a network device 11 and a terminal device 12 as an example.

[0033] It should be noted that the technical solutions of the embodiments of the present application may be applied to various communication systems, such as a long term evolution (LTE) system, a 5th generation (5G) mobile communication system, a 5G new radio (NR) system, or other future new mobile communication systems.

[0034] The network device 11 in the embodiment of the present application is an entity for transmitting and receiving signals on the network side. For example, the network device 11 may be an evolved base station (eNB), a transmission reception point (TRP), a next generation base station (gNB) in an NR system, a base station in other future mobile communication systems, or an access point in a wireless fidelity (WiFi) system. The embodiment of the present application does not limit the specific technology and specific device form used for the network device. The network device provided by the embodiment of the present application may be composed of a central unit (CU) and a distributed unit (DU), where the CU is also called a control unit, and the CU-DU structure can be used to separate the protocol layer of a base station, for example, a base station, and some functions of the protocol layer are centrally controlled by the CU, and some or all of the remaining protocol layer functions are distributed in the DU, and the CU centrally controls the DU.

[0035] The terminal device 12 in the embodiment of the present application is an entity for transmitting and receiving signals on the user side, for example, a mobile phone. The terminal device may be called a terminal, a user equipment (UE), a mobile station (MS), a mobile terminal (MT), etc. The terminal device may be an automobile with a communication function, a smart car, a mobile phone, a wearable device, a tablet (Pad), a personal computer equipped with a wireless transmission and reception function, a virtual reality (VR) terminal device, an augmented reality (AR) terminal device, a wireless terminal device in industrial control, a wireless terminal device in self-driving, a wireless terminal device in remote medical surgery, a wireless terminal device in a smart grid, a wireless terminal device in transportation safety, a wireless terminal device in a smart city, a wireless terminal device in a smart home, etc. The embodiment of the present application does not limit the specific technology and the specific device form used for the terminal device.

[0036] It should be noted that the communication system described in the embodiments of the present application is for more clearly illustrating the technical solutions of the embodiments of the present application, and does not limit the technical solutions provided by the embodiments of the present application. As those skilled in the art can understand, with the evolution of system architecture and the emergence of new business scenarios, the technical solutions provided by the embodiments of the present application can also be applied to similar technical problems.

[0037] In the present disclosure, when multiple sets of TCI states are indicated via a single DCI, in order to maintain a consistent understanding of the use of TCI states between a terminal device and a network device and to ensure the reliability of transmission, a method for determining a TCI state based on a setting for a channel and / or a signal is provided, in order to maintain a consistent understanding of the use of TCI states between a terminal device and a network device and to ensure the reliability of transmission.

[0038] In addition, in the present disclosure, the method of determining a transmission setting indication state provided by any one of the embodiments can be performed individually, or can be performed together in combination with possible implementation methods in other embodiments, and can also be performed together in combination with any technical solution in the related art.

[0039] Please refer to Fig. 2, which is a flowchart of a method for determining a transmission configuration indication state provided by an embodiment of the present disclosure. The method is executed by a terminal device. As shown in Fig. 2, the method may include, but is not limited to, the following steps: step 201, receiving first indication information, the first indication information is used to indicate at least two sets of transmission configuration indication (TCI) states;

[0040] A set of TCI states refers to one TCI state or one pair of TCI states, for example, a set of TCI states may be one joint TCI state (also referred to as DL or jointTCIstate), or one independent downlink (DL) TCI state, or one independent uplink (UL) TCI state; or one independent DL TCI state and one independent UL TCI state, etc., and the present disclosure is not limited in this respect.

[0041] Optionally, the first indication information may be a medium access control layer (MAC) control element (CE), i.e. at least two sets of TCI states associated with one codepoint are activated via the MAC CE.

[0042] Optionally, the first indication information may further include a MAC CE and a DCI, that is, firstly, directly activate at least one set of TCI states respectively associated with multiple codepoints via the MAC CE, and the DCI indicates one of the codepoints, where the codepoint is associated with at least two sets of TCI states.

[0043] Step 202 determines a TCI state for transmission of the channel and / or signal based on the settings for the channel and / or signal.

[0044] The channels include at least one of a physical downlink control channel (PDCCH), a physical downlink shared channel (PDSCH), a physical uplink control channel (PUCCH), and a physical uplink shared channel (PUSCH), and the signals include at least one of a channel state information reference signal (CSI RS) and a sounding reference signal (SRS).

[0045] Optionally, each of the above signals may be any type of signal including periodic, semi-persistent, and aperiodic.

[0046] Furthermore, at least one of the at least two sets of TCI states indicated by the first indication information includes a joint TCI state (also referred to as DL or joint TCI state), i.e., the joint TCI state can use uplink and downlink channels / reference signals simultaneously.

[0047] Alternatively, at least one set of TCI states of the at least two sets of TCI states includes an independent uplink (UL) TCI state and / or a downlink (DL) TCI state.

[0048] The configuration for a channel and / or signal is used to describe whether the channel and signal is transmitted based on one set of TCI states or based on multiple sets of TCI states.

[0049] Optionally, the present disclosure determines the number of TCI states based on transmission based on the number of transmitting and receiving nodes (transmission reception points, TRPs) for a channel and / or signal configuration. For example, if the CSI RS and SRS each configure a single (S) TRP, it can be determined that the configuration is transmission based on one set of TCI states, or if the PDCCH channel configures multiple (M) TRPs, it can be determined that the PDCCH configuration is transmission based on multiple sets of TCI states, etc.

[0050] Optionally, each of the above signals may be S-TRP-based transmission, i.e., each signal is configured to transmit based on one set of TCI states.

[0051] Optionally, for a channel whose configuration is a multiple set of TCI states, it may be directly determined that the TCI state for the channel transmission is at least two sets of TCI states indicated by the first indication information.

[0052] Regarding the channel and / or signal whose configuration is based on one set of TCI states, one set of TCI states for the transmission of the channel and / or signal may be determined from at least two sets of TCI states indicated by the first indication information. For example, the one set specified in the first indication information may be determined as the TCI state for the transmission of the channel and / or signal.

[0053] In the present disclosure, after a terminal device receives at least two sets of TCI states instructed by a network device, the terminal device can determine a TCI state for its transmission based on the settings for the channel and / or signal, thereby ensuring that the TCI state for the transmission of the channel and / or signal determined by the terminal device is consistent with that determined by the network device, ensuring the reliability of the transmission, and improving the transmission quality.

[0054] Please refer to Fig. 3, which is a flowchart of a method for determining another transmission configuration indication state provided by an embodiment of the present disclosure. The method is executed by a terminal device. As shown in Fig. 3, the method may include, but is not limited to, the following steps: step 301, receiving first indication information, the first indication information is used to indicate at least two sets of transmission configuration indication (TCI) states;

[0055] The specific implementation process of the above step 301 may refer to the detailed description of any embodiment of the present disclosure, and will not be described further here.

[0056] Step 302: In response to the setting for the channel and / or signal being transmission based on one set of TCI states, determining that a specified set of TCI states among the at least two sets of TCI states is the TCI state for transmission of the channel and / or signal.

[0057] Optionally, the specified TCI state may be any one of a first set of TCI states in the first indication information and a set of TCI states associated with a specified group identifier.

[0058] The first set of TCI states may be a set of TCI states located in a least significant bit field position in the first indication information.

[0059] For example, the first set of TCI states may be a set of TCI states located in the lowest bit field position in the MAC CE.

[0060] Alternatively, the first set of TCI states may be a set of TCI states with a smallest TCI state identifier in the first indication information.

[0061] Optionally, the first indication information includes a group identifier (ID) or index associated with each set of TCI states, so that after the terminal device receives the first indication information, it can determine a set of TCI states associated with a specified group identifier in the first indication information as a TCI state of a channel and / or signal for transmission based on the set of TCI states.

[0062] The group identifier includes at least one of a control resource set pool index CORESET Pool Index, a control resource set CORESET group identifier, a physical uplink control channel (PUCCH) group identifier, a physical uplink shared channel (PUSCH) group identifier, and a physical downlink shared channel (PDSCH) group identifier.

[0063] That is, the first indication information may include a CORESET Pool Index, a CORESET group ID, a PUCCH group ID, a PUSCH group ID, or a PDSCH group ID associated with the TCI state of each set.

[0064] In the present disclosure, after the terminal device receives at least two sets of TCI states instructed by the network device, for a channel and / or signal whose configuration is based on one set of TCI states, the terminal device can determine that the TCI state for the transmission is the designated one set of TCI states in the at least two sets of TCI states, thereby keeping the TCI state for the transmission of the channel and / or signal determined by the terminal device consistent with that determined by the network device, ensuring the reliability of the transmission, and improving the transmission quality.

[0065] Please refer to Fig. 4, which is a flowchart of a method for determining another transmission configuration indication state provided by an embodiment of the present disclosure. The method is executed by a terminal device. As shown in Fig. 4, the method may include, but is not limited to, the following steps: step 401, receiving first indication information, the first indication information is used to indicate at least two sets of transmission configuration indication (TCI) states;

[0066] The specific implementation of the above step 401 may refer to the detailed description of any embodiment of the present disclosure, and will not be described further here.

[0067] Step 402: In response to a setting for a given channel being transmission based on a plurality of sets of TCI states, determining that at least two sets of TCI states are both TCI states for a given channel transmission.

[0068] Optionally, for the PDCCH, PDSCH, PUCCH and PUSCH, the configuration for at least one channel may be transmission based on one set of TCI states, and the configuration for at least one channel may be transmission based on multiple sets of TCI states.

[0069] For example, the combinations of settings for each channel may be as follows: S-TRP PDCCH and M-TRP PDSCH; S-TRP PDSCH and M-TRP PDCCH; S-TRP PDCCH and M-TRP PUSCH; S-TRP PUSCH and M-TRP PDCCH; S-TRP PUSCH and M-TRP PDSCH; S-TRP PDSCH and M-TRP PUSCH; S-TRP PDCCH, M-TRP PDSCH and M-TRP PUSCH; S-TRP PDCCH, M-TRP PDSCH and M-TRP PUCCH; S-TRP PDCCH, S-TRP PUCCH, M-TRP PDSCH and M-TRP PUSCH; S-TRP PDCCH, M-TRP PUCCH, M-TRP PDSCH and M-TRP PUSCH; S-TRP PDCCH, M-TRP PUCCH, M-TRP PDSCH and M-TRP PUSCH, etc.

[0070] The M-TRP PDCCH may include a method in which the PDCCH includes setting a search space (SS) set having two link relationships, where PDCCH candidates having the same PDCCH candidate number in two SS sets are used to transmit one PDCCH, and each SS set is associated with each CORESET. Alternatively, the M-TRP PDCCH may include a method in which a single frequency network (SFN) is set, that is, one CORESET sets two TCI states, and any one PDCCH candidate in the CORESET is associated with two TCI states.

[0071] M-TRP PDSCH refers to a repetition mode repetitionscheme, a repetition number repetitionnumber, or two code division multiplexing (CDM) groups configured for the PDSCH, where repetitionscheme includes at least one of frequency division multiplexing (FDM) scheme A, FDM scheme B, and time division multiplexing (TDM) scheme A.

[0072] The M-TRP PUSCH indicates that the PUSCH is associated with at least one of the following: two sounding reference signal resource indicators (SRS resource indicators), two layer fields, two PUSCH precoder fields, and two SRS resource sets.

[0073] The M-TRP PUCCH indicates that the PUCCH is associated with at least one of two pieces of spatial relationship information (spatial-relation-info), two TCI states (including an independent UL TCI state or a joint TCI state), and two power control parameter sets.

[0074] For different channel configuration combinations, the terminal device may use different schemes to determine the TCI states of the channels for transmission based on a set of TCI states.

[0075] For example, in the above-mentioned four channels, if the setting of each channel is a TCI state based on multiple sets, the terminal device can determine that at least two sets of TCI states indicated by the first indication channel are all the TCI states for each channel transmission.

[0076] In the present disclosure, after the terminal device receives at least two sets of TCI states indicated by the network device, for a channel whose configuration is for TCI state transmission based on multiple sets, the terminal device can determine that the TCI state for the transmission is the indicated at least two sets of TCI states, thereby keeping the TCI state for the transmission of the channel and / or signal determined by the terminal device consistent with that determined by the network device, ensuring the reliability of the transmission, and improving the transmission quality.

[0077] Please refer to Fig. 5, which is a flowchart of another method for determining a transmission configuration indication state provided by an embodiment of the present disclosure. The method is executed by a terminal device. As shown in Fig. 5, the method may include, but is not limited to, the following steps: step 501: receiving first indication information, the first indication information is used to indicate at least two sets of transmission configuration indication (TCI) states;

[0078] The specific implementation of the above step 501 may refer to the detailed description of any embodiment of the present disclosure, and will not be described further here.

[0079] Step 502, in response to the setting for the given channel being transmission based on one set of TCI states, determining that among the at least two sets of TCI states, one set of TCI states in which an associated group identifier and a group identifier associated with the given channel are the same is the TCI state for the given channel transmission.

[0080] For example, when the PDCCH configuration is S-TRP and the first indication information includes a group identifier associated with each set of TCI states, it can be determined that a set of TCI states in which the associated group identifier and the group identifier associated with the PDCCH are the same is the TCI state for PDCCH transmission.

[0081] Optionally, when the settings for the channels are such that at least one first channel is a transmission based on one set of TCI states and at least one second channel is a transmission based on multiple sets of TCI states, it is possible to determine that the at least two sets of TCI states are both TCI states for the at least one second channel transmission, and to determine the one set of TCI states for the at least one first channel transmission based on additional information.

[0082] For example, the configurations for the channels may be any combination of the following: the PDCCH configuration is transmission based on multiple sets of TCI states and at least one remaining channel configuration is transmission based on one set of TCI states, or the PDSCH configuration is transmission based on multiple sets of TCI states and the PUSCH and / or PUCCH configuration is transmission based on one set of TCI states, or the PUSCH and / or PUCCH configuration is transmission based on multiple sets of TCI states and the PDSCH configuration is transmission based on one set of TCI states, or the PUSCH configuration is transmission based on multiple sets of TCI states and the PUCCH configuration is transmission based on one set of TCI states, or the PUSCH configuration is transmission based on one set of TCI states and the PUCCH configuration is transmission based on multiple sets of TCI states, etc.

[0083] It should be noted that the above combination formats are merely exemplary and are not intended to be limiting in the present disclosure in determining the TCI state for channel transmission.

[0084] Optionally, the additional information may be any one of a group identifier associated with at least one channel, a code point value in an indication field for indicating an SRS resource set index in the downlink control information (DCI), information indicated by an information field for indicating a downlink allocation in the downlink control information, and information indicated by a newly added information field in the downlink control information.

[0085] Optionally, the added indication information may also be MAC CE or RRC. The added indication information may also be other information fields in the first indication information.

[0086] For example, when the PUSCH configuration is S-TRP, the added indication information may multiplex a code point value in an indication field for indicating an SRS resource set index in DCI format format 0_1 ​​and DCI format 0_2. When the code point value indicates which TCI state, the PUSCH transmission uses which TCI state. For example, when the code point value indicates that the SRS resource indicator field and the precoding information and number of layers field are associated with a first SRS resource set, the code point value indicates that the first set of TCI states are to be used, and when the code point value indicates that the SRS resource indicator field and the precoding information and number of layers field are associated with a second SRS resource set, the code point value indicates that the second set of TCI states are to be used. Or vice versa.

[0087] Alternatively, when the PDSCH setting is S-TRP, if the indication information is DCI format 1_1 and 1_2 and there is no downlink setting (without DL assignment), the information field for indicating DL assignment in the DCI can be multiplexed to indicate which TCI state the PDSCH uses.

[0088] Or, when the first indication information is DCI format 1_1 and 1_2 with DL assignment, a new indication field can be further added to indicate which TCI state a channel based on one set of TCI states should use.

[0089] In the present disclosure, after the terminal device receives at least two sets of TCI states indicated by the network device, for a channel whose configuration is based on multiple sets of TCI states, the terminal device can determine that the TCI state for its transmission is the indicated at least two sets of TCI states, thereby keeping the TCI state for the transmission of the channel and / or signal determined by the terminal device consistent with that determined by the network device, ensuring the reliability of transmission, and improving the transmission quality.

[0090] Please refer to Fig. 6, which is a flowchart of a method for determining another transmission configuration indication state provided by an embodiment of the present disclosure. The method is executed by a terminal device. As shown in Fig. 6, the method may include, but is not limited to, the following steps: step 601, receiving first indication information, the first indication information is used to indicate at least two sets of transmission configuration indication (TCI) states;

[0091] The specific implementation of the above step 601 may refer to the detailed description of any embodiment of the present disclosure, and will not be described further here.

[0092] Step 602, receiving a second indication, the second indication being used to indicate a set of TCI states.

[0093] The first indication information and / or the second indication information may be any one of MAC CE, and DCI and MAC CE, respectively. The manner in which different types of indication information indicate the TCI state may refer to the description of any embodiment of the present disclosure, and will not be further described here.

[0094] Step 603: in response to the setting for at least one third channel being transmission based on multiple sets of TCI states and the setting for at least one remaining fourth channel being transmission based on one set of TCI states, determining that the at least two sets of TCI states are both TCI states for third channel transmission, and determining the one set of TCI states for the at least one remaining fourth channel transmission based on the second instruction information.

[0095] In the present disclosure, when a terminal device receives second instruction information indicating one set of TCI states and also receives first instruction information indicating at least two sets of TCI states, the terminal device can determine the one set of TCI states in the second instruction information as the TCI state for a fourth channel transmission, and can determine the at least two sets of TCI states in the first instruction information as the TCI state for a third channel transmission.

[0096] At least one channel of the transmission based on the multiple sets of TCI states set may be at least one of PDCCH, PUCCH, PDSCH, and PUSCH, and accordingly, among the remaining channels other than the at least one channel for which the above-mentioned setting is transmission based on multiple sets of TCI states, at least one channel can be configured as transmission based on one set of TCI states. Each of the above-mentioned four channels can be configured as transmission based on several TCI states and can be arbitrarily combined as necessary, and the present disclosure is not limited thereto.

[0097] For example, when the PDCCH configuration is M-TRP, the PDCCH may include configuring a search space (SS) set having two link relationships, and PDCCH candidates having the same PDCCH candidate number in two SS sets are used to transmit one PDCCH, and each SS set is associated with each CORESET. Or, the M-TRP PDCCH may be a method including configuring a single frequency network (SFN), that is, one CORESET configures two TCI states, and any one PDCCH candidate in the CORESET is associated with two TCI states.

[0098] In one embodiment, when the PDCCH is a channel configured with the M-TRP, and the other channels PUCCH, PUSCH, and PDSCH are all configured by transmitting the S-TRP, the first indication information may be an indication information for indicating a unified TCI state or an indicated TCI state, i.e., the indication information is for indicating at least one set of TCI states of at least one channel. For example, the first indication information is used to indicate the TCI state of the PDCCH, and the TCI state can be applied to at least one CORESET. The second indication information may also be an indication information for indicating a unified TCI state or an indicated TCI state, i.e., the indication information is used to indicate the TCI state of at least one channel. For example, the second indication information is used to indicate the TCI state that is applied to the PDSCH, PUCCH, and PUSCH. The TCI states of each set indicated by the first indication information and the second indication information all include a joint TCI state, or include at least one of an independent DL TCI state and an independent UL TCI state. The first indication information and the second indication information may each be a MAC CE, or include a MAC CE and a DCI.

[0099] In another embodiment, when the PDCCH is a channel configured with the M-TRP, and the other channels PUCCH, PUSCH, and PDSCH are all configured by transmitting the S-TRP, the first indication information may be an indication information for indicating the TCI state of one or two CORESETs associated with the PDCCH, and the indication information needs to indicate the CORESET ID associated with the CORESET. The second indication information may be an indication information for indicating a unified TCI state or an indicated TCI state, that is, the indication information is used to indicate the TCI state of at least one channel. For example, the second indication information is used to indicate a TCI state that is applied to all of the PDSCH, PUCCH, and PUSCH. The TCI states of each set indicated by the first indication information and the second indication information all include a joint TCI state, or include at least one of an independent DL TCI state and an independent UL TCI state. The first indication information is a MAC CE. The second indication information may include a MAC CE, or a MAC CE and a DCI.

[0100] In the present disclosure, after receiving first indication information indicating at least two sets of TCI states and second indication information indicating one set of TCI state transmitted by a network device, a terminal device can determine that for a channel whose configuration type is based on multiple sets of TCI states, the TCI state for the transmission is the at least two sets of TCI states indicated by the first indication information, and for a channel whose configuration type is based on one set of TCI states, the terminal device can determine that for the transmission, the TCI state is the one set of TCI state indicated by the second indication information, thereby keeping the TCI state for the transmission of the channel and / or signal determined by the terminal device consistent with that determined by the network device, ensuring the reliability of the transmission, and improving the transmission quality.

[0101] Please refer to Fig. 7, which is a flowchart of a method for determining another transmission configuration indication state provided by an embodiment of the present disclosure. The method is executed by a network device. As shown in Fig. 7, the method may include, but is not limited to, the following steps: step 701, sending first indication information to a terminal device, where the first indication information is used to indicate at least two sets of transmission configuration indication (TCI) states;

[0102] A set of TCI states refers to one TCI state or one pair of TCI states, for example, a set of TCI states may be one joint TCI state (also referred to as DL or jointTCIstate), or one independent downlink (DL) TCI state, or one independent uplink (UL) TCI state, or one independent DL TCI state and one independent UL TCI state, etc., and the present disclosure is not limited in this respect.

[0103] Optionally, the first indication information may be a medium access control layer (MAC) control element (CE), i.e. at least two sets of TCI states associated with one codepoint are activated via the MAC CE.

[0104] Optionally, the first indication information may further include a MAC CE and a DCI, that is, firstly, directly activate at least one set of TCI states respectively associated with multiple codepoints via the MAC CE, and the DCI indicates one of the codepoints, where the codepoint is associated with at least two sets of TCI states.

[0105] Step 702 determines a TCI state for transmission of a channel and / or signal based on a setting for the channel and / or signal in the terminal device.

[0106] The channels include at least one of a physical downlink control channel (PDCCH), a physical downlink shared channel (PDSCH), a physical uplink control channel (PUCCH), and a physical uplink shared channel (PUSCH), and the signals include at least one of a channel state information reference signal (CSI RS) and a sounding reference signal (SRS).

[0107] Optionally, each of the above signals may be any type of signal including periodic, semi-persistent, and aperiodic.

[0108] Furthermore, at least one of the at least two sets of TCI states indicated by the first indication information includes a joint TCI state (also referred to as DL or joint TCI state), i.e., the joint TCI state can use uplink and downlink channels / reference signals simultaneously.

[0109] Alternatively, at least one set of TCI states of the at least two sets of TCI states includes an independent uplink (UL) TCI state and / or a downlink (DL) TCI state.

[0110] The configuration for a channel and / or signal in a terminal device is used to indicate whether the channel and / or signal is transmitted based on one set of TCI states or based on multiple sets of TCI states.

[0111] Optionally, the present disclosure determines the channel and / or signal configuration based on the number of transmission reception points (TRPs) of the configuration. For example, if a CSI RS and an SRS single (S) TRP are configured, the configuration can be determined to be transmission based on one set of TCI states; or, if a PDCCH channel configures multiple (M) TRPs, the PDCCH configuration can be transmission based on multiple sets of TCI states, etc.

[0112] Optionally, each of the above signals may be S-TRP-based transmission, i.e., each signal is configured to transmit based on one set of TCI states.

[0113] Optionally, for a channel whose configuration is a multiple set of TCI states, it may be directly determined that the TCI state for the channel transmission is at least two sets of TCI states indicated by the first indication information.

[0114] For a transmission whose configuration is a set of TCI states, the set of TCI states for the transmission can then be determined from the at least two sets of TCI states indicated by the first indication, for example, the set specified in the first indication can be determined as the TCI state for the transmission of the channel and / or signal.

[0115] In the present disclosure, the network device may indicate at least two sets of TCI states to the terminal device, and then determine the TCI state for the transmission based on the settings for the channel and / or signal in the terminal device, thereby ensuring that the TCI state for the transmission of the channel and / or signal determined by the terminal device is consistent with that determined by the network device, ensuring the reliability of the transmission, and improving the transmission quality.

[0116] Please refer to Fig. 8, which is a flowchart of a method for determining another transmission configuration indication state provided by an embodiment of the present disclosure. The method is executed by a network device. As shown in Fig. 8, the method may include, but is not limited to, the following steps: step 801, sending first indication information to a terminal device, where the first indication information is used to indicate at least two sets of transmission configuration indication (TCI) states;

[0117] The specific implementation process of the above step 801 may refer to the detailed description of any embodiment of the present disclosure, and will not be described further here.

[0118] Step 802: In response to a setting for a channel and / or signal in a terminal device being transmission based on one set of TCI states, it is determined that a specified set of TCI states among the at least two sets of TCI states is the TCI state for transmission of the channel and / or signal.

[0119] Optionally, the specified TCI state may be any one of a first set of TCI states in the first indication information and a set of TCI states associated with a specified group identifier.

[0120] The first set of TCI states may be a set of TCI states located in a least significant bit field position in the first indication information.

[0121] For example, the first set of TCI states may be a set of TCI states located in the lowest bit field position in the MAC CE.

[0122] Alternatively, the first set of TCI states may be a set of TCI states with a smallest TCI state identifier in the first indication information.

[0123] Optionally, the first indication information includes a group identifier (ID) or index associated with each set of TCI states, so that after the terminal device receives the first indication information, it can determine a set of TCI states associated with a specified group identifier in the first indication information as a TCI state of a channel and / or signal for transmission based on the set of TCI states.

[0124] The group identifier includes at least one of a control resource set pool index CORESET Pool Index, a control resource set CORESET group identifier, a physical uplink control channel (PUCCH) group identifier, a physical uplink shared channel (PUSCH) group identifier, and a physical downlink shared channel (PDSCH) group identifier.

[0125] That is, the first indication information may include a CORESET Pool Index, a CORESET group ID, a PUCCH group ID, a PUSCH group ID, or a PDSCH group ID associated with the TCI state of each set.

[0126] In the present disclosure, after the network device indicates at least two sets of TCI states to the terminal device, for a channel and / or signal whose type is based on one set of TCI states set in the terminal device, the network device can determine that the TCI state for transmission is the designated one set of TCI states in the at least two sets of TCI states, thereby keeping the TCI state for transmission of the channel and / or signal determined by the terminal device consistent with that determined by the network device, ensuring the reliability of transmission, and improving the transmission quality.

[0127] Please refer to Fig. 9, which is a flowchart of a method for determining another transmission configuration indication state provided by an embodiment of the present disclosure. The method is executed by a network device. As shown in Fig. 9, the method may include, but is not limited to, the following steps: step 901, sending first indication information to a terminal device, where the first indication information is used to indicate at least two sets of transmission configuration indication (TCI) states;

[0128] The specific implementation of the above step 901 may refer to the detailed description of any embodiment of the present disclosure, and will not be described further here.

[0129] Step 902, in response to a setting for a given channel being transmission based on a plurality of sets of TCI states, determines that at least two sets of TCI states are both TCI states for a given channel transmission.

[0130] Optionally, for the PDCCH, PDSCH, PUCCH and PUSCH, the configuration for at least one channel may be transmission based on one set of TCI states, and the configuration for at least one channel may be transmission based on multiple sets of TCI states.

[0131] For example, the combinations of settings for each channel may be as follows: S-TRP PDCCH and M-TRP PDSCH; S-TRP PDSCH and M-TRP PDCCH; S-TRP PDCCH and M-TRP PUSCH; S-TRP PUSCH and M-TRP PDCCH; S-TRP PUSCH and M-TRP PDSCH; S-TRP PDSCH and M-TRP PUSCH; S-TRP PDCCH, M-TRP PDSCH and M-TRP PUSCH; S-TRP PDCCH, M-TRP PDSCH and M-TRP PUCCH; S-TRP PDCCH, S-TRP PUCCH, M-TRP PDSCH and M-TRP PUSCH; S-TRP PDCCH, M-TRP PUCCH, M-TRP PDSCH and M-TRP PUSCH; S-TRP PDCCH, M-TRP PUCCH, M-TRP PDSCH and M-TRP PUSCH, etc.

[0132] Wherein, the M-TRP PDCCH may include configuring a search space (SS) set having two link relationships, where PDCCH candidates having the same PDCCH candidate numbers in two SS sets are used to transmit one PDCCH, and each SS set is associated with each CORESET. Alternatively, the M-TRP PDCCH may be a method including configuring a single frequency network (SFN), that is, one CORESET configures two TCI states, and any one PDCCH candidate in the CORESET is associated with two TCI state transmissions.

[0133] Wherein, M-TRP PDSCH refers to a repetition mode repetitionscheme, a repetition number repetitionnumber, or two code division multiplexing (CDM) groups configured for the PDSCH, where repetitionscheme includes at least one of frequency division multiplexing (FDM) scheme A, FDM scheme B, and time division multiplexing (TDM) scheme A.

[0134] The M-TRP PUSCH indicates that the PUSCH is associated with at least one of two sounding reference signal resource indicators (SRS resource indicators), two layer fields, two PUSCH precoder fields, and two SRS resource sets.

[0135] The M-TRP PUCCH indicates that the PUCCH is associated with at least one of two pieces of spatial relationship information (spatial-relation-info), two TCI states (including an independent UL TCI state or a joint TCI state), and two power control parameter sets.

[0136] For different channel configuration combinations, the terminal device uses different schemes to determine the TCI state of the channel transmission for transmission based on a set of TCI states.

[0137] For example, in the above-mentioned four channels, if the settings of each channel are based on multiple sets of TCI states, the terminal device can determine that at least two sets of TCI states indicated by the first indication channel are the TCI states for each channel transmission.

[0138] In the present disclosure, the network device may instruct the terminal device of at least two sets of TCI states, and then determine that for a channel whose type set in the terminal device is based on multiple sets of TCI states, the TCI state for the transmission is the instructed at least two sets of TCI states, thereby keeping the TCI state for the transmission of the channel and / or signal determined by the terminal device consistent with that determined by the network device, ensuring the reliability of the transmission, and improving the transmission quality.

[0139] Please refer to Fig. 10, which is a flowchart of a method for determining another transmission configuration indication state provided by an embodiment of the present disclosure. The method is executed by a network device. As shown in Fig. 10, the method may include, but is not limited to, the following steps: step 1001, sending first indication information to a terminal device, where the first indication information is used to indicate at least two sets of transmission configuration indication (TCI) states;

[0140] The specific implementation of the above step 1001 may refer to the detailed description of any embodiment of the present disclosure, and will not be described further here.

[0141] Step 1002, in response to the setting for the given channel being transmission based on one set of TCI states, determining that among the at least two sets of TCI states, one set of TCI states in which an associated group identifier and a group identifier associated with the given channel are the same is the TCI state for the given channel transmission.

[0142] For example, when the PDCCH configuration is S-TRP and the first indication information includes a group identifier associated with each set of TCI states, it can be determined that a set of TCI states in which the associated group identifier and the group identifier associated with the PDCCH are the same is the TCI state for PDCCH transmission.

[0143] Optionally, when the settings for the channels are such that at least one first channel is a transmission based on one set of TCI states and at least one second channel is a transmission based on multiple sets of TCI states, it is possible to determine that the at least two sets of TCI states are both TCI states for the at least one second channel transmission, and to determine the one set of TCI states for the at least one first channel transmission based on additional information.

[0144] For example, the settings for the channels may be any combination of the following: a PDCCH setting is transmission based on multiple sets of TCI states, and at least one remaining channel setting is transmission based on one set of TCI states; a PDSCH setting is transmission based on multiple sets of TCI states, and a PUSCH and / or PUCCH setting is transmission based on one set of TCI states; a PUSCH and / or PUCCH setting is transmission based on multiple sets of TCI states, and a PDSCH setting is transmission based on one set of TCI states; a PUSCH setting is transmission based on multiple sets of TCI states, and a PUCCH setting is transmission based on one set of TCI states; or a PUSCH setting is transmission based on one set of TCI states, and a PUCCH setting is transmission based on multiple sets of TCI states.

[0145] It should be noted that the above combination formats are merely exemplary and are not intended to be limiting in the present disclosure in determining the TCI state for channel transmission.

[0146] Optionally, the additional information may be any one of a group identifier associated with at least one channel, a code point value in an indication field for indicating an SRS resource set index in the downlink control information (DCI), information indicated by an information field for indicating a downlink allocation in the downlink control information, and information indicated by a newly added information field in the downlink control information.

[0147] Optionally, the added indication information may also be MAC CE or RRC. The added indication information may also be other information fields in the first indication information.

[0148] For example, when the PUSCH configuration is S-TRP, the added indication information may multiplex a code point value in an indication field for indicating an SRS resource set index in DCI format format 0_1 ​​and DCI format 0_2. When the code point value indicates which TCI state, the PUSCH transmission uses which TCI state. For example, when the code point value indicates that the SRS resource indicator field and the precoding information and number of layers field are associated with a first SRS resource set, the code point value indicates that the first set of TCI states are to be used, and when the code point value indicates that the SRS resource indicator field and the precoding information and number of layers field are associated with a second SRS resource set, the code point value indicates that the second set of TCI states are to be used. Or vice versa.

[0149] Alternatively, when the PDSCH setting is S-TRP, if the indication information is DCI format 1_1 and 1_2 and there is no downlink setting (without DL assignment), the information field for indicating DL assignment in the DCI can be multiplexed to indicate which TCI state the PDSCH uses.

[0150] Or, when the first indication information is DCI format 1_1 and 1_2 with DL assignment, a new indication field can be further added to indicate which TCI state a channel based on one set of TCI states should use.

[0151] In the present disclosure, after the terminal device receives at least two sets of TCI states indicated by the network device, for a channel whose configuration type is based on multiple sets of TCI states, the terminal device can determine that the TCI state for its transmission is the indicated at least two sets of TCI states, thereby keeping the TCI state for the transmission of the channel and / or signal determined by the terminal device consistent with that determined by the network device, ensuring the reliability of the transmission, and improving the transmission quality.

[0152] Please refer to Fig. 11, which is a flowchart of a method for determining another transmission configuration indication state provided by an embodiment of the present disclosure. The method is executed by a network device. As shown in Fig. 11, the method may include, but is not limited to, the following steps: step 1101, sending first indication information to a terminal device, where the first indication information is used to indicate at least two sets of transmission configuration indication (TCI) states;

[0153] The specific implementation of the above step 601 may refer to the detailed description of any embodiment of the present disclosure, and will not be described further here.

[0154] Step 1102, send second indication information to the terminal device, where the second indication information is used to indicate a set of TCI states.

[0155] The first indication information and / or the second indication information may be any one of MAC CE, and DCI and MAC CE, respectively. The manner in which different types of indication information indicate the TCI state may refer to the description of any embodiment of the present disclosure, and will not be further described here.

[0156] Step 1103: in response to the setting for at least one third channel being transmission based on multiple sets of TCI states and the setting for at least one remaining fourth channel being transmission based on one set of TCI states, determine that the at least two sets of TCI states are both TCI states for third channel transmission, and determine the one set of TCI states for the at least one remaining fourth channel transmission based on the second instruction information.

[0157] In the present disclosure, when a network device transmits second instruction information to a terminal device indicating one set of TCI states and also transmits first instruction information indicating at least two sets of TCI states, the one set of TCI states in the second instruction information can be determined as the TCI state for a fourth channel transmission, and the at least two sets of TCI states in the first instruction information can be determined as the TCI state for a third channel transmission.

[0158] The configuration is at least one channel of transmission based on multiple sets of TCI states, and may be at least one of PDCCH, PUCCH, PDSCH, and PUSCH, and accordingly, among the remaining channels other than the at least one channel of which the above-mentioned configuration is transmission based on multiple sets of TCI states, at least one channel can be configured as transmission based on one set of TCI states. Each of the above-mentioned four channels can be configured as transmission based on several TCI states and can be arbitrarily combined as necessary, and the present disclosure is not limited in this respect.

[0159] For example, if the PDCCH configuration is M-TRP, the PDCCH may include configuring a search space (SS) set having two link relationships, where PDCCH candidates having the same PDCCH candidate numbers in two SS sets are used to transmit one PDCCH, and each SS set is associated with each CORESET. Or, the M-TRP PDCCH may include configuring a single frequency network (SFN) method, that is, one CORESET configures two TCI states, and any one PDCCH candidate in the CORESET is associated with two TCI states.

[0160] In one embodiment, when the PDCCH is a channel configured with the M-TRP, and the other channels PUCCH, PUSCH, and PDSCH are all configured by transmitting the S-TRP, the first indication information may be an indication information for indicating a unified TCI state or an indicated TCI state, i.e., the indication information is for indicating at least one set of TCI states of at least one channel. For example, the first indication information is used to indicate the TCI state of the PDCCH, and the TCI state can be applied to at least one CORESET. The second indication information may also be an indication information for indicating a unified TCI state or an indicated TCI state, i.e., the indication information is used to indicate the TCI state of at least one channel. For example, the second indication information is used to indicate the TCI state that is applied to the PDSCH, PUCCH, and PUSCH. The TCI states of each set indicated by the first indication information and the second indication information all include a joint TCI state, or include at least one of an independent DL TCI state and an independent UL TCI state. The first indication information and the second indication information may each be a MAC CE, or include a MAC CE and a DCI.

[0161] In another embodiment, when the PDCCH is a channel configured with the M-TRP, and the other channels PUCCH, PUSCH, and PDSCH are all configured by transmitting the S-TRP, the first indication information may be an indication information for indicating the TCI state of one or two CORESETs associated with the PDCCH, and the indication information needs to indicate the CORESET ID associated with the CORESET. The second indication information may be an indication information for indicating a unified TCI state or an indicated TCI state, that is, the indication information is used to indicate the TCI state of at least one channel. For example, the second indication information is used to indicate a TCI state that is applied to the PDSCH, PUCCH, and PUSCH. The TCI states of each set indicated by the first indication information and the second indication information all include a joint TCI state, or include at least one of an independent DL TCI state and an independent UL TCI state. And the first indication information is a MAC CE. The second indication information may include a MAC CE, or a MAC CE and a DCI.

[0162] In the present disclosure, after a network device transmits first indication information instructing at least two sets of TCI states and second indication information instructing one set of TCI states to a terminal device, the network device can determine, for a channel whose configuration is based on a plurality of sets of TCI states, that the TCI state for the transmission is at least two sets of TCI states indicated by the first indication information, and can determine, for a channel whose configuration is based on one set of TCI states, that the TCI state for the transmission is one set of TCI states indicated by the second indication information, thereby keeping the TCI state for the transmission of a channel and / or signal determined by the terminal device consistent with that determined by the network device, ensuring the reliability of transmission, and improving the transmission quality.

[0163] 12, a schematic block diagram of a communication device 1200 provided by an embodiment of the present disclosure is shown. The communication device 1200 shown in FIG. 12 can include a transceiver module 1201. The transceiver module 1201 can include a transmitting module and / or a receiving module, where the transmitting module is used to realize a transmitting function, the receiving module is used to realize a receiving function, and the transceiver module 1201 can realize a transmitting function and / or a receiving function.

[0164] It can be understood that the communication device 1200 may be a terminal device, may be a device in a terminal device, or may be a device that can be used in conjunction with a terminal device.

[0165] The communication apparatus 1200 is on the terminal device side, in which: a transceiver module 1201 is used for receiving first indication information, the first indication information is used for indicating at least two sets of transmission configuration indication (TCI) states, and a processing module 1202 is used for determining a TCI state for transmission of a channel and / or signal based on the settings for the channel and / or signal.

[0166] Optionally, at least one of the at least two sets of TCI states includes a joint TCI state, or at least one of the at least two sets of TCI states includes an independent uplink (UL) TCI state and / or downlink (DL) TCI state.

[0167] Optionally, the processing module 1202 is specifically used to determine that a specified set of TCI states among the at least two sets of TCI states is the TCI state for transmission of a channel and / or signal in response to a setting for transmission based on one set of TCI states, or to determine that both of the at least two sets of TCI states are the TCI state for transmission of any channel in response to a setting for transmission based on multiple sets of TCI states for any channel.

[0168] Optionally, the specified TCI state is any one of the first set of TCI states in the first indication and a set of TCI states associated with a specified group identifier.

[0169] Optionally, the first set of TCI states is a set of TCI states located in the lowest bit field position in the first indication information, or a set of TCI states having the smallest TCI state identifier in the first indication information.

[0170] Optionally, the first indication includes a group identifier associated with each set of TCI states.

[0171] Optionally, the group identifier includes at least one of a control resource set pool index, a control resource set group identifier, a physical uplink control channel (PUCCH) group identifier, a physical uplink shared channel (PUSCH) group identifier, and a physical downlink shared channel (PDSCH) group identifier.

[0172] Optionally, the channel includes at least one of a physical downlink control channel (PDCCH), a physical downlink shared channel (PDSCH), a physical uplink control channel (PUCCH), and a physical uplink shared channel (PUSCH), and the signal includes at least one of a channel state information reference signal (CSI RS) and a sounding reference signal (SRS).

[0173] Optionally, at least one channel configuration of the channels is for transmission based on one set of TCI states and at least one channel configuration is for transmission based on multiple sets of TCI states.

[0174] Optionally, the processing module 1202, specifically, in response to the setting for the given channel being transmission based on one set of TCI states, is used to determine that one set of TCI states, among the at least two sets of TCI states, in which the associated group identifier and the group identifier associated with the given channel are the same, is the TCI state for the given channel transmission.

[0175] Optionally, the processing module 1202 specifically determines, in response to the settings for the channels being at least one first channel transmission based on one set of TCI states and at least one second channel transmission based on multiple sets of TCI states, that at least two sets of TCI states are both TCI states for the at least one second channel transmission, and is used to determine one set of TCI states for the at least one first channel transmission based on additional information.

[0176] Optionally, the additional information is any one of a group identifier associated with at least one channel, a code point value in an indication field for indicating an SRS resource set index in the downlink control information (DCI), information indicated by an information field for indicating a downlink allocation in the downlink control information, and information indicated by a newly added information field in the downlink control information.

[0177] Optionally, the processing module 1202, specifically, in response to the setting for the at least one third channel being transmission based on multiple sets of TCI states and the setting for the at least one remaining fourth channel being transmission based on one set of TCI states, determines that at least two sets of TCI states are TCI states for the at least one third channel transmission, and is used to determine one set of TCI states for the at least one remaining fourth channel transmission based on the second instruction information.

[0178] Optionally, the first indication information and / or the second indication information is any one of a media intervention control layer control element (MAC CE), and a downlink control information (DCI) and a MAC CE.

[0179] In the present disclosure, after a terminal device receives at least two sets of TCI states instructed by a network device, the terminal device can determine a TCI state for its transmission based on the settings for the channel and / or signal, thereby ensuring that the TCI state for the transmission of the channel and / or signal determined by the terminal device is consistent with that determined by the network device, ensuring the reliability of the transmission, and improving the transmission quality.

[0180] It can be understood that the communication device 600 can be a network device, can be a device in a network device, or can be a device that can be used in conjunction with a network device.

[0181] The communication apparatus 1200 is on the network device side, in which: a transceiver module 1201 is used for sending first indication information to a terminal device, the first indication information is used for indicating at least two sets of transmission configuration indication (TCI) states, and a processing module 1202 is used for determining a TCI state for transmission of a channel and / or signal based on a setting for the channel and / or signal in the terminal device.

[0182] Optionally, the method further includes: at least one of the at least two sets of TCI states includes one joint TCI state; or at least one of the at least two sets of TCI states includes an independent uplink (UL) TCI state and / or downlink (DL) TCI state.

[0183] Optionally, the processing module 1202 is specifically used to determine that a specified set of TCI states among the at least two sets of TCI states is the TCI state for transmission of a channel and / or signal in response to a setting for transmission based on one set of TCI states, or to determine that both of the at least two sets of TCI states are the TCI state for transmission of any channel in response to a setting for transmission based on multiple sets of TCI states for any channel.

[0184] Optionally, the specified TCI state is any one of the first set of TCI states in the first indication and a set of TCI states associated with a specified group identifier.

[0185] Optionally, the first set of TCI states is a set of TCI states located in the lowest bit field position in the first indication information, or a set of TCI states having the smallest TCI state identifier in the first indication information.

[0186] Optionally, the first indication includes a group identifier associated with each set of TCI states.

[0187] Optionally, the group identifier includes at least one of a control resource set pool index, a control resource set group identifier, a physical uplink control channel (PUCCH) group identifier, a physical uplink shared channel (PUSCH) group identifier, and a physical downlink shared channel (PDSCH) group identifier.

[0188] Optionally, the channel includes at least one of a physical downlink control channel (PDCCH), a physical downlink shared channel (PDSCH), a physical uplink control channel (PUCCH), and a physical uplink shared channel (PUSCH), and the signal includes at least one of a channel state information reference signal (CSI RS), and a sounding reference signal (SRS).

[0189] Optionally, the configuration of at least one of the channels is to transmit based on one set of TCI states and the configuration of at least one of the channels is to transmit based on multiple sets of TCI states.

[0190] Optionally, the processing module 1202, specifically, in response to the setting for the given channel being transmission based on one set of TCI states, is used to determine that one set of TCI states, among the at least two sets of TCI states, in which the associated group identifier and the group identifier associated with the given channel are the same, is the TCI state for the given channel transmission.

[0191] Optionally, the processing module 1202 specifically determines, in response to the settings for the channels being at least one first channel transmission based on one set of TCI states and at least one second channel transmission based on multiple sets of TCI states, that at least two sets of TCI states are both TCI states for the at least one second channel transmission, and is used to determine one set of TCI states for the at least one first channel transmission based on additional information.

[0192] Optionally, the additional information is any one of a group identifier associated with at least one channel, a code point value in an indication field for indicating an SRS resource set index in the downlink control information (DCI), information indicated by an information field for indicating a downlink allocation in the downlink control information, and information indicated by a newly added information field in the downlink control information.

[0193] Optionally, the processing module 1202 specifically determines, in response to the setting for the at least one third channel being transmission based on multiple sets of TCI states and the setting for the at least one remaining fourth channel being transmission based on one set of TCI states, that at least two sets of TCI states are used to determine the one set of TCI states for the at least one remaining third channel transmission based on the second instruction information.

[0194] Optionally, the first indication information and / or the second indication information is any one of a media intervention control layer control element (MAC CE), and a downlink control information (DCI) and a MAC CE.

[0195] In the present disclosure, the network device may indicate at least two sets of TCI states to the terminal device, and then determine the TCI state for the transmission based on the settings for the channel and / or signal in the terminal device, thereby ensuring that the TCI state for the transmission of the channel and / or signal determined by the terminal device is consistent with that determined by the network device, ensuring the reliability of the transmission, and improving the transmission quality.

[0196] 12, which is a schematic diagram of another communication device 1300 provided by an embodiment of the present disclosure. The communication device 1300 may be a network device, an auxiliary communication device, or a terminal device, the network device may be a chip, chip system, or processor, etc., that supports the above-mentioned method to be implemented, the auxiliary communication device may be a chip, chip system, or processor, etc., that supports the above-mentioned method to be implemented, and the terminal device may be a chip, chip system, or processor, etc., that supports the above-mentioned method to be implemented. The device can be used to implement the method described in the above-mentioned method embodiment, and for details, the description of the above-mentioned method embodiment can be referred to.

[0197] The communication device 1300 may include one or more processors 1301. The processor 1301 may be a general-purpose processor or a dedicated processor, etc. For example, it may be a baseband processor or a central processor. The baseband processor may be used to process communication protocols and communication data, and the central processor may be used to control the communication device (e.g., a base station, a baseband chip, a terminal device, a terminal device chip, a DU or CU, etc.), execute a computer program, and process data of the computer program.

[0198] Optionally, the communications device 1300 may include one or more memories 1302 having computer programs 1304 stored therein for executing the computer programs 1304 to cause the communications device 1300 to perform the methods described in the method embodiments above. Optionally, data may be stored in the memory 1302. The communications device 1300 and the memory 1302 may be provided separately or may be integrated together.

[0199] Optionally, the communication device 1300 may further include a transceiver 1305 and an antenna 1306. The transceiver 1305 may be referred to as a transceiver unit, transceiver, or transceiver circuit, etc., and is used to realize a transceiver function. The transceiver may include a receiver and a transmitter, and the transceiver 1305 may be referred to as a receiving device or receiving circuit, etc., and is used to realize a receiving function, and the transmitter may be referred to as a transmitting device or transmitting circuit, etc., and is used to realize a transmitting function.

[0200] Optionally, the communication device 1300 may further include one or more interface circuits 1307. The interface circuit 1307 is used to receive and transmit code instructions to the processor 1301. The processor 1301 executes the code instructions, thereby causing the communication device 1300 to perform the methods described in the method embodiments above.

[0201] The communication apparatus 1300 is a terminal device, and the transceiver 1305 executes step 201 in Fig. 2, step 301 in Fig. 3, step 401 in Fig. 4, etc. The processor 1301 executes step 202 in Fig. 2, step 302 in Fig. 3, step 402 in Fig. 4, etc.

[0202] The communication apparatus 1300 is a network device, and the transceiver 1305 is used to execute step 701 in Fig. 7, step 801 in Fig. 8, step 901 in Fig. 9, etc. The processor 1301 is used to execute step 702 in Fig. 7, step 802 in Fig. 8, etc.

[0203] In one implementation, the processor 1301 may include a transceiver for implementing the receiving and transmitting functions. For example, the transceiver may be a transceiver circuit, or an interface, or an interface circuit. The transceiver circuit, interface, or interface circuit for implementing the receiving and transmitting functions may be separate or integrated together. The transceiver circuit, interface, or interface circuit may be used to read and write code / data, or the transceiver circuit, interface, or interface circuit may be used to transmit or convey signals.

[0204] In one implementation, the processor 1301 may store a computer program 113, which, when executed in the processor 1301, enables the communication device 1300 to execute the methods described in the above method embodiments. The computer program 113 may be embedded in the processor 1301, in which case the processor 1301 may be implemented in hardware.

[0205] In one implementation, the communication device 1300 may include circuitry that can implement the functions of transmitting or receiving or communicating in the method embodiments described above. The processor and transceiver described in this disclosure may be integrated into an integrated circuit (IC), an analog IC, a radio frequency integrated circuit (RFIC), a mixed signal IC, an application specific integrated circuit (ASIC), a printed circuit board (PCB), an electronic device, etc. The processor and transceiver may be fabricated using a variety of IC process technologies, such as complementary metal oxide semiconductor (CMOS), n-type metal oxide semiconductor (nMOS), p-type metal oxide semiconductor (PMOS), bipolar junction transistor (BJT), bipolar CMOS (BiCMOS), silicon germanium (SiGe), gallium arsenide (Gas), etc.

[0206] The communication device in the above embodiment description may be a network device or a terminal device or an auxiliary communication device, but the scope of the communication device described in the present disclosure is not limited thereto, and the structure of the communication device may not be limited by Fig. 13. The communication device may be an independent device or a part of a larger device. For example, the communication device may be as follows: (1) An independent integrated circuit IC or chip, or a chip system or subsystem; (2) A set having one or more integrated circuits, the set of integrated circuits optionally including a storage component for storing data, computer programs; (3) ASICs, such as modems, (4) A module that can be embedded into other devices; (5) Receivers, terminal devices, intelligent terminal devices, cellular phones, wireless devices, handhelds, mobile units, vehicle-mounted devices, base stations, cloud devices, artificial intelligence devices, etc. (6)Others.

[0207] When the communication device is a chip or a chip system, reference may be made to the schematic configuration diagram of the chip shown in Fig. 14. The chip 1400 shown in Fig. 14 includes a processor 1401 and an interface 1403. Wherein, the number of the processors 1401 may be one or more, and the number of the interfaces 1403 may be more than one.

[0208] Regarding the situation for the chip to realize the functions of the terminal device of the embodiment of the present disclosure: The interface 1403 executes step 201 in Fig. 2, step 301 in Fig. 3, step 401 in Fig. 4, etc. The processor 1401 executes step 202 in Fig. 2, step 302 in Fig. 3, step 402 in Fig. 4, etc.

[0209] Regarding the situation where the chip realizes the network device of the embodiment of the present disclosure: The interface 1403 executes step 701 in Fig. 7, step 801 in Fig. 8, step 901 in Fig. 9, etc. The processor 1401 is used to execute step 702 in Fig. 7, step 802 in Fig. 8, etc.

[0210] Optionally, the chip further includes a memory 1402, which is used to store necessary computer programs and data.

[0211] As can be understood by those skilled in the art, the various illustrative logical blocks and steps enumerated in the embodiments of the present disclosure can be realized by electronic hardware, computer software, or a combination of both. Whether such functions are realized by hardware or software depends on the specific application and the design requirements of the entire system. Those skilled in the art can realize the functions using various methods for each specific application, but such realization should not be understood as going beyond the scope of protection of the embodiments of the present disclosure.

[0212] The present disclosure further provides a readable storage medium having instructions stored thereon, which when executed by a computer, implement the functions of any one of the method embodiments described above.

[0213] The present disclosure further provides a computer program product, which when executed by a computer, implements the functions of any one of the above method embodiments.

[0214] In the above embodiments, all or part of the above may be implemented in software, hardware, firmware, or any combination thereof. When implemented using software, all or part of the above may be implemented in the form of a computer program product. The computer program product includes one or more computer programs. When the computer programs are loaded and executed in a computer, the computer program generates all or part of the flow or function according to the description of the embodiments of the present disclosure. The computer may be a general-purpose computer, a special-purpose computer, a computer network, or other programmable device. The computer program may be stored in a computer-readable storage medium or may be transmitted from one computer-readable storage medium to another, for example, the computer program may be transmitted from one website, computer, server, or data center to another website, computer, server, or data center by wire (e.g., coaxial cable, optical fiber, digital subscriber line (DSL)) or wireless (e.g., infrared, radio, microwave, etc.) methods. The computer-readable storage medium may be any available medium accessible to a computer, or a data storage device such as a server, data center, etc., including one or more available media integrations. The usable medium may be a magnetic medium (e.g., a floppy disk, a hard disk, a magnetic tape), an optical medium (e.g., a high-density digital video disc (DVD)), or a semiconductor medium (e.g., a solid state disk (SSD)).

[0215] As will be appreciated by those skilled in the art, the various numerals, such as first, second, etc., used in the present disclosure are divisions made for ease of explanation and do not limit the scope of the embodiments of the present disclosure, but also represent a priority order.

[0216] In the present disclosure, "at least one" may be described as "one or more", and more may be two, three, four or more, and is not limited in the present disclosure. In the embodiments of the present disclosure, for one technical feature, "first", "second", "third", "A", "B", "C" and "D" are used to distinguish the technical features in the technical feature category, and there is no priority or size order between the technical features described by "first", "second", "third", "A", "B", "C" and "D".

[0217] The correspondence shown by each table in the present disclosure may be set or defined in advance. The possible values ​​of the information in each table are merely examples and may be set to other values ​​and are not limited in the present disclosure. When setting the correspondence between the information and each parameter, it is not necessary to set all the correspondences shown in each table. For example, in the table of the present disclosure, the correspondences shown in some rows may not be set. In addition, the above table may be appropriately modified and adjusted, such as divided or combined. The names of the parameters shown in the themes of each table may also be called other names understandable to the communication device, and the possible values ​​or display methods of the parameters may be other possible values ​​or display methods understandable to the communication device. The above tables may use other data structures, such as arrays, queues, containers, stacks, linear lists, pointers, linked lists, trees, graphs, structures, classes, heaps, and hash tables, when implemented.

[0218] Predefined in this disclosure may be understood as defined, predefined, stored, prestored, predefined, pre-set, cured, or pre-baked.

[0219] As can be understood by those skilled in the art, the combination of the units and algorithm steps of each example described in the embodiments disclosed herein can be realized by electronic hardware, or a combination of computer software and electronic hardware. Whether these functions are implemented in hardware or software depends on the specific application and design constraints of the technical proposal. Those skilled in the art can use different methods to realize the described functions for each specific application, and such realization should not be considered as going beyond the scope of the present disclosure.

[0220] As can be clearly understood by those skilled in the art, for convenience and simplification of explanation, the specific work processes of the systems, devices and units described above are to be referred to the corresponding processes in the aforementioned method embodiments, and detailed descriptions thereof will be omitted here.

[0221] The above description is merely a specific embodiment of the present disclosure, and the scope of protection of the present disclosure is not limited thereto, and any changes or replacements that a person skilled in the art can easily think of without departing from the technical scope disclosed in the present disclosure should be included in the scope of protection of the present disclosure. Therefore, the scope of protection of the present disclosure should be in accordance with the claims.

Claims

1. 1. A method for determining a transmission configuration indication state performed by a terminal device, comprising: receiving first indication information, the first indication information being used to indicate at least two sets of transmission configuration indication (TCI) states; determining a TCI state for transmission of said channel and / or signal based on the configuration for said channel and / or signal; 13. A method for determining a transmission configuration indication state, comprising:

2. The method comprises: At least one of the at least two sets of TCI states includes a joint TCI state; or At least one of the at least two sets of TCI states further includes an independent uplink (UL) TCI state and / or a downlink (DL) TCI state.

2. The method of claim 1, wherein the transmission setting indication state is determined based on the determined transmission setting indication state.

3. determining a TCI state for transmission of the channel and / or signal based on the configuration for the channel and / or signal, determining, in response to a setting for a channel and / or signal being transmission based on a set of TCI states, that a designated set of TCI states in the at least two sets of TCI states is a TCI state for transmission of the channel and / or signal; or In response to a setting for a given channel being transmission based on a plurality of sets of TCI states, determining that the at least two sets of TCI states are both TCI states for the given channel transmission; 2. The method of claim 1, wherein the transmission setting indication state is determined based on the determined transmission setting indication state.

4. The specified TCI state is a first set of TCI states in the first indication; and any one of a set of TCI states associated with a specified group identifier, 4. The method of claim 3, wherein the transmission setting indication state is determined based on the determined transmission setting indication state.

5. The first set of TCI states is a set of TCI states located in a least significant bit field position in the first indication information, or a set of TCI states having a smallest TCI state identifier in the first indication information.

5. The method of claim 4, wherein the transmission setting indication state is determined based on the determined transmission setting indication state.

6. The first indication information includes a group identifier associated with each set of TCI states.

2. The method of claim 1, wherein the transmission setting indication state is determined based on the determined transmission setting indication state.

7. The group identifier is at least one of a control resource set pool index, a control resource set group identifier, a physical uplink control channel (PUCCH) group identifier, a physical uplink shared channel (PUSCH) group identifier, and a physical downlink shared channel (PDSCH) group identifier; 7. A method for determining a transmission configuration indication status according to claim 4 or 6.

8. the channel includes at least one of a physical downlink control channel (PDCCH), a physical downlink shared channel (PDSCH), a physical uplink control channel (PUCCH), and a physical uplink shared channel (PUSCH); The signal includes at least one of a channel state information reference signal (CSI RS) and a sounding reference signal (SRS). Method for determining a transmission configuration indication status according to any one of claims 1 to 7.

9. The setting for at least one of the channels is transmission based on one set of TCI states, and the setting for at least one of the channels is transmission based on multiple sets of TCI states.

9. The method of claim 8, wherein the transmission setting indication state is determined based on the determined transmission setting indication state.

10. determining a TCI state for transmission of the channel and / or signal based on the configuration for the channel and / or signal, In response to the setting for the arbitrary channel being transmission based on one set of TCI states, determining that one set of TCI states, among the at least two sets of TCI states, in which an associated group identifier and a group identifier associated with the arbitrary channel are the same, is a TCI state for the arbitrary channel transmission; The method for determining a transmission configuration indication state according to claim 9 .

11. determining a TCI state for transmission of the channel and / or signal based on the configuration for the channel and / or signal, In response to the setting for the channels being at least one first channel being a transmission based on one set of TCI states and at least one second channel being a transmission based on a plurality of sets of TCI states, the method includes a step of determining that the at least two sets of TCI states are both TCI states for the at least one second channel transmission, and determining a set of TCI states for the at least one first channel transmission based on additional information. The method for determining a transmission configuration indication state according to claim 9 .

12. The additional information is a group identifier associated with said at least one channel; a codepoint value in an indication field for indicating an SRS resource set index in downlink control information (DCI); Information indicated by an information field for indicating a downlink assignment in the downlink control information; and any one of the information indicated by the newly added information field in the downlink control information. The method for determining a transmission configuration indication state according to claim 11 .

13. determining a TCI state for transmission of the channel and / or signal based on the configuration for the channel and / or signal, in response to a setting for at least one third channel being transmission based on a plurality of sets of TCI states and a setting for at least one remaining fourth channel being transmission based on one set of TCI states, determining that the at least two sets of TCI states are both TCI states for the at least one third channel transmission, and determining one set of TCI states for the at least one remaining fourth channel transmission based on second indication information; The method for determining a transmission configuration indication state according to claim 9 .

14. The first indication information and / or the second indication information is a media access control layer control element (MAC CE), and any one of a downlink control information (DCI) and a MAC CE; Method for determining a transmission configuration indication status according to any one of claims 1 to 13.

15. 1. A method for determining a transmission configuration indication state performed by a network device, comprising: sending first indication information to a terminal device, the first indication information being used to indicate at least two sets of transmission configuration indication (TCI) states; determining a TCI state for transmission of the channel and / or signal based on a setting for the channel and / or signal in the terminal device; 13. A method for determining a transmission configuration indication state, comprising:

16. The method comprises: At least one of the at least two sets of TCI states includes a joint TCI state; or At least one of the at least two sets of TCI states further includes an independent uplink (UL) TCI state and / or a downlink (DL) TCI state.

16. The method of claim 15, wherein the transmission configuration indication state is determined.

17. The step of determining a TCI state for transmission of the channel and / or signal based on a setting for the channel and / or signal in the terminal device, determining, in response to a setting for a channel and / or signal being transmission based on a set of TCI states, that a designated set of TCI states in the at least two sets of TCI states is a TCI state for transmission of the channel and / or signal; or In response to a setting for a given channel being transmission based on a plurality of sets of TCI states, determining that the at least two sets of TCI states are both TCI states for the given channel transmission; 16. The method of claim 15, wherein the transmission configuration indication state is determined.

18. The specified TCI state is a first set of TCI states in the first indication information, and any one of a set of TCI states associated with a specified group identifier, 20. The method of claim 17, wherein the transmission configuration indication state is determined.

19. The first set of TCI states is a set of TCI states located in a least significant bit field position in the first indication information, or a set of TCI states having a smallest TCI state identifier in the first indication information.

20. The method of claim 18, wherein the transmission configuration indication state is determined.

20. The first indication information includes a group identifier associated with each set of TCI states.

20. The method of claim 18, wherein the transmission configuration indication state is determined.

21. The group identifier is at least one of a control resource set pool index, a control resource set group identifier, a physical uplink control channel (PUCCH) group identifier, a physical uplink shared channel (PUSCH) group identifier, and a physical downlink shared channel (PDSCH) group identifier; Method for determining a transmission configuration indication status according to claim 18 or 20.

22. the channel includes at least one of a physical downlink control channel (PDCCH), a physical downlink shared channel (PDSCH), a physical uplink control channel (PUCCH), and a physical uplink shared channel (PUSCH); The signal includes at least one of a channel state information reference signal (CSI RS) and a sounding reference signal (SRS). Method for determining a transmission configuration indication status according to any one of claims 15 to 21.

23. The setting for at least one of the channels is transmission based on one set of TCI states, and the setting for at least one of the channels is transmission based on multiple sets of TCI states.

23. The method of claim 22, wherein the method further comprises:

24. The step of determining a TCI state for transmission of the channel and / or signal based on a setting for the channel and / or signal in the terminal device, In response to the setting for the arbitrary channel being transmission based on one set of TCI states, determining that one set of TCI states, among the at least two sets of TCI states, in which an associated group identifier and a group identifier associated with the arbitrary channel are the same, is a TCI state for the arbitrary channel transmission; 24. The method of claim 23, wherein the method further comprises:

25. The step of determining a TCI state for transmission of the channel and / or signal based on a setting for the channel and / or signal in the terminal device, In response to the setting for the channels being at least one first channel being a transmission based on one set of TCI states and at least one second channel being a transmission based on a plurality of sets of TCI states, the method includes a step of determining that the at least two sets of TCI states are both TCI states for the at least one second channel transmission, and determining a set of TCI states for the at least one first channel transmission based on additional information.

24. The method of claim 23, wherein the method further comprises:

26. The additional information is a group identifier associated with said at least one channel; a codepoint value in an indication field for indicating an SRS resource set index in downlink control information (DCI); Information indicated by an information field for indicating a downlink assignment in the downlink control information; and any one of the information indicated by the newly added information field in the downlink control information.

26. The method of claim 25, wherein the method further comprises:

27. The step of determining a TCI state for transmission of the channel and / or signal based on a setting for the channel and / or signal in the terminal device, in response to a setting for at least one third channel being transmission based on a plurality of sets of TCI states and a setting for at least one remaining fourth channel being transmission based on one set of TCI states, determining that the at least two sets of TCI states are both TCI states for the at least one third channel transmission, and determining one set of TCI states for the at least one remaining fourth channel transmission based on second indication information; 24. The method of claim 23, wherein the method further comprises:

28. The first indication information and / or the second indication information is any one of a media access control layer control element (MAC CE), and a downlink control information (DCI) and a MAC CE; Method for determining a transmission configuration indication status according to any one of claims 15 to 27.

29. A communication apparatus configured in a terminal device, a transceiver module for receiving first indication information, the first indication information being used to indicate at least two sets of transmission configuration indication (TCI) states; a processing module for determining a TCI state for transmission of said channel and / or signal based on a configuration for said channel and / or signal, A communication device comprising:

30. A communication device configured in a network device, A transceiver module for transmitting first indication information to a terminal device, the first indication information being used to indicate at least two sets of transmission configuration indication (TCI) states; A processing module for determining a TCI state for transmission of the channel and / or signal based on a setting for the channel and / or signal in the terminal device. A communication device comprising:

31. 1. A communication device, comprising: A method for executing a computer program stored in the memory, the method comprising: a processor and a memory; and executing the computer program stored in the memory by the processor, the method causing the device to perform the method according to any one of claims 1 to 14, or the method according to any one of claims 15 to 28. A communication device comprising:

32. A computer-readable storage medium having instructions stored thereon, comprising: When said instructions are executed, the method according to any one of claims 1 to 14 is realized, or the method according to any one of claims 15 to 28 is realized. A computer-readable storage medium comprising:

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