Information transmission method and apparatus, related device, storage medium, and computer program product

Abstract

The present disclosure provides an information transmission method and apparatus, a terminal, a network device, a storage medium, and a computer program product. The method comprises: a terminal receives first information sent by a network side, wherein the first information is used for indicating a plurality of first transmission configuration indication (TCI) states and an application time sequence of the plurality of first TCI states.

Description

Information transmission method, device, related equipment, storage medium and computer program product

[0001] CROSS-REFERENCE TO RELATED APPLICATIONS

[0002] This disclosure claims priority to Chinese patent application number 202410359235.3 filed in China on March 27, 2024, the entire contents of which are incorporated herein by reference. Technical Field

[0003] The present disclosure relates to the field of wireless communications, and in particular to an information transmission method, apparatus, related equipment, storage medium, and computer program product. Background Art

[0004] Currently, artificial intelligence (AI) has achieved corresponding gains in multiple fields such as channel state information (CSI) feedback, beam management, and positioning within the design framework of the fifth generation mobile communication technology (5G), showing considerable application prospects. Related technologies have been established for wireless AI projects. The project research content includes three major use cases: CSI feedback, beam management, and positioning. It also provides methods such as AI model deployment, reasoning, updating, and simulation evaluation. Among them, a typical use case of AI beam management is time-domain beam prediction. AI-enabled time-domain beam prediction can predict the optimal beam at a future moment by measuring the Layer 1-Reference Signal Receiving Power (L1-RSRP) of the reference signal sent at a historical moment, thereby reducing the terminal's beam measurement overhead and improving the beamforming gain.

[0005] However, in the unified transmission configuration indication (TCI) architecture of the related art, there may be a waste of resources. Summary of the Invention

[0006] To solve related technical problems, the embodiments of the present disclosure provide an information transmission method, apparatus, related equipment, storage medium, and computer program product.

[0007] The technical solution of the embodiment of the present disclosure is implemented as follows:

[0008] The present disclosure provides an information transmission method, which is applied to a terminal and includes:

[0009] First information sent by a network side is received, where the first information is used to indicate multiple first TCI states and an application time sequence of the multiple first TCI states.

[0010] In the above solution, the receiving of the first information sent by the network side includes:

[0011] A first media access control (MAC) control element (CE) sent by the network side is received, where the first MAC CE includes the first information.

[0012] In the above solution, each of the plurality of first TCI states includes one of the following:

[0013] Downlink TCI status;

[0014] Uplink TCI status;

[0015] United TCI states.

[0016] In the above scheme, when the first MAC CE containing the first information sent by the network side is received, the first first TCI state or the first pair of first TCI states among the multiple first TCI states starts to be applied at the first moment, and a pair of first TCI states includes a downlink TCI state and an uplink TCI state; the first moment is after the second moment and is spaced from the second moment by a first time length, and the second moment is the moment when the terminal reports to the network side the acknowledgment (Hybrid Automatic Repeat reQuest-ACKnowledgement, HARQ-ACK) of the hybrid automatic repeat request corresponding to the physical downlink shared channel (Physical Downlink Shared Channel, PDSCH) carrying the first MAC CE.

[0017] In the above solution, the method further includes:

[0018] Receive second information sent by the network side, where the second information is used to indicate the time interval between the moments when two adjacent first TCI states or two adjacent pairs of first TCI states among the multiple first TCI states start to be applied, where a pair of first TCI states includes a downlink TCI state and an uplink TCI state.

[0019] In the above solution, the receiving of the second information sent by the network side includes:

[0020] A first radio resource control (RRC) signaling sent by the network side is received, where the first RRC signaling includes the second information.

[0021] In the above solution, the method further includes:

[0022] Receive third information sent by the network side, where the third information is used to indicate multiple second TCI states and an application time sequence of the multiple second TCI states.

[0023] In the above solution, the receiving of the third information sent by the network side includes:

[0024] Receive a second MAC CE sent by the network side, where the second MAC CE includes the third information.

[0025] In the above solution, the receiving of the third information sent by the network side includes:

[0026] Receive first downlink control information (Downlink Control Information, DCI) sent by the network side, where the first DCI includes the third information.

[0027] In the above solution, the method further includes:

[0028] Receive fourth information sent by the network side, where the fourth information is used to indicate the time interval between the moments when two adjacent second TCI states or two adjacent pairs of second TCI states among the multiple second TCI states start to be applied, where a pair of second TCI states includes a downlink TCI state and an uplink TCI state.

[0029] In the above solution, the receiving of the fourth information sent by the network side includes:

[0030] Receive second RRC signaling sent by the network side, where the second RRC signaling includes the fourth information.

[0031] In the above solution, the method further includes:

[0032] After receiving the first MAC CE containing the first information sent by the network side at the third moment, in a case where the second MAC CE containing the third information sent by the network side is received at the fourth moment, or after receiving the first MAC CE containing the first information sent by the network side at the third moment, in a case where the first DCI containing the third information sent by the network side is received at the fifth moment,

[0033] The third information is used to determine the TCI status of the application in the corresponding time interval.

[0034] In the above scheme, when the first DCI containing the third information is received from the network side, the first second TCI state among the multiple second TCI states or the first pair of second TCI states begins to be applied at the sixth moment or the seventh moment, and a pair of second TCI states includes a downlink TCI state and an uplink TCI state; the sixth moment is the moment when the network side sends the first DCI or the moment when the terminal receives the first DCI; the seventh moment is after the eighth moment and is spaced from the eighth moment by a second time length, and the eighth moment is the last moment when the terminal transmits the physical uplink control channel (PUCCH) or physical uplink shared channel (PUSCH) corresponding to the first DCI.

[0035] In the above scheme, when the first DCI containing the third information is received from the network side at the fifth moment, the third information includes the fifth information corresponding to each second TCI state in the multiple second TCI states, and the fifth information represents the time offset of the moment when the second TCI state starts to be applied relative to the fifth moment.

[0036] In the above solution, the multiple first TCI states form one or more TCI state groups, each TCI state group includes N first TCI states or M pairs of first TCI states, where N and M are both integers greater than 0, and a pair of first TCI states includes a downlink TCI state and an uplink TCI state. The method further includes:

[0037] An application time sequence of the N first TCI states or an application time sequence of the M pairs of first TCI states is determined according to an arrangement order of the N first TCI states or an arrangement order of the M pairs of first TCI states.

[0038] In the above solution, the method further includes:

[0039] Receive sixth information sent by the network side, where the sixth information is used to indicate the TCI state group applied in the one or more TCI state groups.

[0040] In the above solution, the receiving of the sixth information sent by the network side includes:

[0041] Receive a second DCI sent by the network side, where the second DCI includes the sixth information.

[0042] In the above solution, the method further includes:

[0043] Receive seventh information sent by the network side, where the seventh information is used to indicate one or more first TCI states applied in the multiple first TCI states.

[0044] In the above solution, the receiving of the seventh information sent by the network side includes:

[0045] Receive a third DCI sent by the network side, where the third DCI includes the seventh information.

[0046] The present disclosure also provides an information transmission method, which is applied to a network device and includes:

[0047] First information is sent to a terminal, where the first information is used to indicate a plurality of first TCI states and a time sequence of application of the plurality of first TCI states.

[0048] In the above solution, the sending of the first information to the terminal includes:

[0049] A first MAC CE is sent to the terminal, where the first MAC CE includes the first information.

[0050] In the above solution, the method further includes:

[0051] Sending second information to the terminal, where the second information is used to indicate a time interval between moments when two adjacent first TCI states or two adjacent pairs of first TCI states among the multiple first TCI states start to be applied, where a pair of first TCI states includes a downlink TCI state and an uplink TCI state.

[0052] In the above solution, the sending of the second information to the terminal includes:

[0053] A first RRC signaling is sent to the terminal, where the first RRC signaling includes the second information.

[0054] In the above solution, the method further includes:

[0055] Sending third information to the terminal, where the third information is used to indicate a plurality of second TCI states and a time sequence of application of the plurality of second TCI states.

[0056] In the above solution, the sending of the third information to the terminal includes:

[0057] Sending a second MAC CE to the terminal, where the second MAC CE includes the third information.

[0058] In the above solution, the sending of the third information to the terminal includes:

[0059] A first DCI is sent to the terminal, where the first DCI includes the third information.

[0060] In the above solution, the method further includes:

[0061] Sending fourth information to the terminal, where the fourth information is used to indicate the time interval between the moments when two adjacent second TCI states or two adjacent pairs of second TCI states among the multiple second TCI states start to be applied, where a pair of second TCI states includes a downlink TCI state and an uplink TCI state.

[0062] In the above solution, the sending of the fourth information to the terminal includes:

[0063] Sending second RRC signaling to the terminal, where the second RRC signaling includes the fourth information.

[0064] In the above solution, the multiple first TCI states form one or more TCI state groups, each TCI state group includes N first TCI states or M pairs of first TCI states, where N and M are both integers greater than 0, and a pair of first TCI states includes a downlink TCI state and an uplink TCI state. The method further includes:

[0065] Sending sixth information to the terminal, where the sixth information is used to indicate the applied TCI state group in the one or more TCI state groups.

[0066] In the above solution, the sending of the sixth information to the terminal includes:

[0067] Send a second DCI to the terminal, where the second DCI includes the sixth information.

[0068] In the above solution, the method further includes:

[0069] Seventh information is sent to the terminal, where the seventh information is used to indicate one or more first TCI states applied in the multiple first TCI states.

[0070] In the above solution, the sending of the seventh information to the terminal includes:

[0071] Send a third DCI to the terminal, where the third DCI includes the seventh information.

[0072] The present disclosure also provides an information transmission device, including:

[0073] The first receiving unit is used to receive first information sent by the network side, where the first information is used to indicate multiple first TCI states and the application time sequence of the multiple first TCI states.

[0074] The present disclosure also provides an information transmission device, including:

[0075] The first sending unit is used to send first information to the terminal, where the first information is used to indicate multiple first TCI states and the application time sequence of the multiple first TCI states.

[0076] The embodiment of the present disclosure further provides a terminal, comprising: a first communication interface and a first processor; wherein,

[0077] The first communication interface is used to receive first information sent by the network side, where the first information is used to indicate multiple first TCI states and the application time sequence of the multiple first TCI states.

[0078] The embodiment of the present disclosure further provides a network device, comprising: a second communication interface and a second processor; wherein,

[0079] The second communication interface is used to send first information to the terminal, where the first information is used to indicate multiple first TCI states and the application time sequence of the multiple first TCI states.

[0080] An embodiment of the present disclosure further provides a terminal, comprising: a first processor and a first memory for storing a computer program that can be run on the processor,

[0081] Wherein, the first processor is used to execute the steps of any of the above-mentioned terminal-side methods when running the computer program.

[0082] The embodiment of the present disclosure further provides a network device, comprising: a second processor and a second memory for storing a computer program that can be run on the processor,

[0083] Wherein, the second processor is used to execute the steps of any of the above-mentioned methods on the network device side when running the computer program.

[0084] An embodiment of the present disclosure also provides a storage medium having a computer program stored thereon, which, when executed by a processor, implements the steps of any of the above-mentioned methods on the terminal side, or implements the steps of any of the above-mentioned methods on the network device side.

[0085] An embodiment of the present disclosure also provides a computer program product, including a computer program, which, when executed by a processor, implements the steps of any of the above-mentioned methods on the terminal side, or implements the steps of any of the above-mentioned methods on the network device side.

[0086] The information transmission method, apparatus, related equipment, storage medium and computer program product provided by the embodiments of the present disclosure are as follows: the network side sends first information to the terminal, and the terminal receives the first information sent by the network side, wherein the first information is used to indicate multiple first TCI states and the application time sequence of the multiple first TCI states. The solution provided by the embodiments of the present disclosure is that the network side indicates multiple TCI states (i.e., the first TCI states) and the application time sequence of these TCI states to the terminal. In this way, when the network side performs TCI state indication based on time domain prediction under the Unified TCI framework, when multiple future TCI states are predicted by AI technology, the network side does not need to frequently indicate the change of the optimal beam to the terminal (i.e., indicate the TCI state), but instead indicates the predicted multiple TCI states and the application time sequence of these TCI states through a single signaling transmission (i.e., the transmission of the first information), thereby reducing the signaling used for TCI state indication and maximizing the signaling saving effect of the Unified TCI architecture; in other words, it can effectively reduce the overhead of TCI state indication and give full play to the time domain beam prediction gain of AI, thereby effectively improving the communication performance of the network side. BRIEF DESCRIPTION OF THE DRAWINGS

[0087] FIG1 is a schematic diagram of a flow chart of an information transmission method according to an embodiment of the present disclosure;

[0088] FIG2 is a schematic structural diagram of an information transmission device according to an embodiment of the present disclosure;

[0089] FIG3 is a schematic structural diagram of another information transmission device according to an embodiment of the present disclosure;

[0090] FIG4 is a schematic diagram of the terminal structure according to an embodiment of the present disclosure;

[0091] FIG5 is a schematic diagram of the network device structure according to an embodiment of the present disclosure;

[0092] FIG6 is a schematic diagram of the structure of the information transmission system according to an embodiment of the present disclosure. DETAILED DESCRIPTION

[0093] The present disclosure will be described in further detail below with reference to the accompanying drawings and embodiments.

[0094] In the Unified TCI architecture of the related technology, the base station can indicate a downlink (DL) TCI, an uplink (UL) TCI, or a joint TCI to the terminal. The terminal's uplink and downlink channels and reference signals can be adjusted based on (follow) the TCI indicated by the base station. Assuming that the base station can obtain (i.e., predict) the optimal beam for X (X is an integer greater than 1) moments in the future through AI technology, and these beams change rapidly, the base station needs to frequently indicate changes to the optimal beam to the terminal (i.e., indicate the TCI state), resulting in a waste of resources.

[0095] Based on this, in various embodiments of the present disclosure, the network side indicates multiple TCI states and the application time sequence of these TCI states to the terminal. In this way, when the network side performs TCI state indication based on time domain prediction under the Unified TCI framework, when multiple TCI states in the future are predicted through AI technology, the network side does not need to frequently indicate the change of the optimal beam to the terminal (i.e., indicate the TCI state), but instead indicates the predicted multiple TCI states and the application time sequence of these TCI states through a single signaling transmission, thereby reducing the signaling used for TCI state indication and maximizing the signaling saving effect of the Unified TCI architecture; in other words, it can effectively reduce the overhead of TCI state indication and give full play to the time domain beam prediction gain of AI, thereby effectively improving the communication performance of the network side.

[0096] Specifically, an embodiment of the present disclosure provides an information transmission method, applied to a terminal, including:

[0097] Receive first information sent by the network side, where the first information is used to indicate multiple first TCI states and the application time sequence (which can also be understood as the effectiveness sequence) of the multiple first TCI states.

[0098] The multiple first TCI states refer to at least two first TCI states.

[0099] In practical applications, the terminal may also be referred to as user equipment (UE) or a user. Furthermore, receiving the first information sent by the network side may be understood as receiving the first information sent by a network device deployed on the network side. The network device may specifically include a base station, etc. The embodiments of the present disclosure do not limit the specific type of the network device, as long as its functions are implemented.

[0100] In practical applications, the information transmission method provided in the embodiments of the present disclosure can be applied in a Unified TCI architecture, that is, the multiple first TCI states can be obtained by the network device based on time domain prediction, or can be understood as being predicted using physical layer AI technology. The specific manner in which the network device determines the multiple first TCI states and the application time sequence of the multiple first TCI states can be set according to requirements (such as network deployment requirements, communication requirements, etc.), and the embodiments of the present disclosure do not limit this.

[0101] In actual application, it can be understood that a first TCI state may include a downlink TCI state, an uplink TCI state, or a combined TCI state; and a downlink TCI state and an uplink TCI state can form a pair of TCI states.

[0102] Based on this, in one embodiment, each of the plurality of first TCI states may include one of the following:

[0103] Downlink TCI status;

[0104] Uplink TCI status;

[0105] United TCI states.

[0106] In actual application, the specific form of the application time sequence of the multiple first TCI states can be determined based on requirements (such as the requirement for TCI state indication overhead, etc.), and the embodiments of this disclosure do not limit this. For example, the first information may include the multiple first TCI states and an application time sequence identifier for each first TCI state, which represents the application time sequence of the first TCI state; or, the first information may only include the multiple first TCI states, and the arrangement order of the multiple first TCI states can reflect the application time sequence of the multiple first TCI states.

[0107] Based on this, in one embodiment, the method may further include:

[0108] An application time sequence of the plurality of first TCI states is determined according to an arrangement sequence of the plurality of first TCI states.

[0109] In actual application, the network side may indicate the multiple first TCI states and the application time sequence of the multiple first TCI states to the terminal through MAC CE (which may be referred to as first MAC CE in the subsequent description).

[0110] Based on this, in one embodiment, the receiving of the first information sent by the network side may include:

[0111] Receive a first MAC CE sent by the network side, where the first MAC CE includes the first information.

[0112] In actual application, in some specific scenarios, such as scenarios where the terminal moves at high speed, considering that the TCI state will change rapidly over time, in order to improve the flexibility of the network side in indicating the TCI state, after indicating the multiple first TCI states and the application time sequence of the multiple first TCI states to the terminal, the network side can re-indicate to the terminal one or more first TCI states that are effective (i.e., applied) among the multiple first TCI states.

[0113] Based on this, in one embodiment, the method may further include:

[0114] Receive seventh information sent by the network side, where the seventh information is used to indicate at least one first TCI state applied among the multiple first TCI states.

[0115] The at least one first TCI state refers to one or more first TCI states, and the multiple first TCI states refers to at least two first TCI states.

[0116] In actual application, the network side may indicate to the terminal at least one first TCI state applied in the multiple first TCI states through DCI (which may be referred to as the third DCI in the subsequent description).

[0117] Based on this, in one embodiment, the receiving the seventh information sent by the network side may include:

[0118] Receive a third DCI sent by the network side, where the third DCI includes the seventh information.

[0119] In actual application, in some specific scenarios, such as scenarios where the terminal moves at high speed, considering that the TCI state will change rapidly over time, in order to improve the flexibility of the network side in indicating the TCI state, when indicating the multiple first TCI states and the application time sequence of the multiple first TCI states to the terminal, the network side can group the multiple first TCI states, so that at least one first TCI state that is effective (i.e., applied) among the multiple first TCI states can be indicated in units of TCI state groups.

[0120] Based on this, in one embodiment, the multiple first TCI states may form at least one TCI state group, each TCI state group including N first TCI states or M pairs of first TCI states, where N and M are both integers greater than 0, and a pair of first TCI states includes a downlink TCI state and an uplink TCI state. Accordingly, the method may further include:

[0121] An application time sequence of the N first TCI states or an application time sequence of the M pairs of first TCI states is determined according to an arrangement order of the N first TCI states or an arrangement order of the M pairs of first TCI states.

[0122] The at least one TCI state group refers to one or more TCI state groups, and the multiple TCI state groups refer to at least two TCI state groups.

[0123] In one embodiment, the method may further include:

[0124] Receive the sixth information sent by the network side, where the sixth information is used to indicate the TCI state group applied in the one or more TCI state groups, that is, the sixth information is used to indicate at least one TCI state group that is effective in at least one TCI state group formed by the multiple first TCI states.

[0125] In actual application, the network side may indicate to the terminal the TCI state group to be applied in the one or more TCI state groups through DCI (which may be referred to as second DCI in the subsequent description).

[0126] Based on this, in one embodiment, the receiving the sixth information sent by the network side may include:

[0127] Receive a second DCI sent by the network side, where the second DCI includes the sixth information.

[0128] In actual application, upon receiving the first MAC CE containing the first information sent by the network side, the first first TCI state or the first pair of first TCI states among the multiple first TCI states can be applied (which can be understood as taking effect) at a first moment; the first moment is after the second moment and separated from the second moment by a first duration, and the second moment is the moment when the terminal reports the HARQ-ACK corresponding to the PDSCH carrying the first MAC CE to the network side. The size of the first duration can be pre-set as needed, and this is not limited in the embodiment of the present disclosure. For example, considering that the first TCI state indication is usually considered successful 3 milliseconds (ms) after the HARQ-ACK corresponding to the PDSCH carrying the first MAC CE is reported, that is, the first TCI state can be successfully applied; therefore, the specific value of the first duration can be 3ms, that is, the first first TCI state or the first pair of first TCI states among the multiple first TCI states can take effect 3ms after the HARQ-ACK corresponding to the PDSCH of the first MAC CE is reported.

[0129] In actual application, the network side may indicate to the terminal the time interval between the moments when two adjacent first TCI states or two adjacent pairs of first TCI states among the multiple first TCI states start to be applied.

[0130] Based on this, in one embodiment, the method may further include:

[0131] Receive second information sent by the network side, where the second information is used to indicate a time interval between moments when two adjacent first TCI states or two adjacent pairs of first TCI states among the multiple first TCI states start to be applied.

[0132] In actual application, assuming that the time unit of the current system is a time slot, and assuming that the first moment can be recorded as slot#n1, and the time interval indicated by the second information can be recorded as T1 (i.e., T1 slot), then the time interval for the first first TCI state among the multiple first TCI states to take effect (i.e., be applied) can be expressed as [n1, n1+T1-1], and the time when each first TCI state starting from the second first TCI state begins to be applied (can be understood as beginning to take effect) is equal to the time when the previous first TCI state begins to be applied plus T1 slot; in other words, each first TCI state starting from the second first TCI state is recorded as the i1th first TCI state (i1 is an integer greater than or equal to 2, and i1 is less than or equal to the total number of the multiple first TCI states), then the time interval for the i1th first TCI state to take effect (i.e., be applied) can be expressed as [n1+(i1-1)*T1, n1+i1*T1-1]. Alternatively, the time interval in which the first pair of first TCI states among the multiple first TCI states is effective can be expressed as [n1, n1+T1-1], and the time when each pair of first TCI states starting from the second pair of first TCI states begins to be applied is equal to the time when the previous pair of first TCI states begins to be applied plus T1 slot. In other words, each pair of first TCI states starting from the second pair of first TCI states is recorded as the i2th pair of first TCI states (i2 is an integer greater than or equal to 2, and i2 is less than or equal to the logarithm of the first TCI states corresponding to the multiple first TCI states), then the time interval in which the i2th pair of first TCI states is effective can be expressed as [n1+(i2-1)*T1, n1+i2*T1-1].

[0133] In actual application, the network side can indicate to the terminal through RRC signaling (which can be referred to as first RRC signaling in subsequent descriptions) the time interval between the moments when two adjacent first TCI states or two adjacent pairs of first TCI states among the multiple first TCI states start to be applied.

[0134] Based on this, in one embodiment, the receiving the second information sent by the network side may include:

[0135] Receive first RRC signaling sent by the network side, where the first RRC signaling includes the second information.

[0136] In actual application, after indicating the multiple first TCI states and the application time sequence of the multiple first TCI states to the terminal, the network side can re-indicate (also can be understood as updating) some TCI states within a specific time or time range (which can be recorded as the second TCI state in the subsequent description).

[0137] Based on this, in one embodiment, the method may further include:

[0138] Receive third information sent by the network side, where the third information is used to indicate multiple second TCI states and an application time sequence of the multiple second TCI states.

[0139] The multiple second TCI states refer to at least two second TCI states.

[0140] In actual application, it can be understood that a second TCI state may include a downlink TCI state, an uplink TCI state, or a combined TCI state; and a downlink TCI state and an uplink TCI state can form a pair of TCI states.

[0141] Based on this, in one embodiment, each of the plurality of second TCI states may include one of the following:

[0142] Downlink TCI status;

[0143] Uplink TCI status;

[0144] United TCI states.

[0145] In actual application, the specific form of the application time sequence of the multiple second TCI states can be determined based on requirements (such as the requirement for TCI state indication overhead, etc.), and is not limited in this embodiment of the present disclosure. For example, the third information may include the multiple second TCI states and an application time sequence identifier for each second TCI state, which identifies the application time sequence of the second TCI states; alternatively, the third information may only include the multiple second TCI states, and the arrangement order of the multiple second TCI states can reflect the application time sequence of the multiple second TCI states.

[0146] Based on this, in one embodiment, the method may further include:

[0147] An application time sequence of the plurality of second TCI states is determined according to an arrangement sequence of the plurality of second TCI states.

[0148] In actual application, the network side may indicate the multiple second TCI states and the application time sequence of the multiple second TCI states to the terminal through DCI (which may be referred to as the first DCI in the subsequent description).

[0149] Based on this, in one embodiment, the receiving of the third information sent by the network side may include:

[0150] Receive a first DCI sent by the network side, where the first DCI includes the third information.

[0151] In actual application, the specific format of the DCI (i.e., the first DCI, the second DCI, and the third DCI) can be set according to requirements (such as network deployment requirements, communication requirements, etc.), such as DCI format 1_1 or DCI format 1_2, etc., and the embodiments of the present disclosure are not limited to this.

[0152] In actual application, when the first DCI containing the third information is received from the network side, the first second TCI state or the first pair of second TCI states among the multiple second TCI states can be applied at the sixth moment or the seventh moment (which can be understood as starting to take effect); the sixth moment is the moment when the network side sends the first DCI or the moment when the terminal receives the first DCI (the moment when the network side sends the first DCI and the moment when the terminal receives the first DCI can be understood as the same moment); the seventh moment is after the eighth moment and is separated from the eighth moment by a second time length, and the eighth moment is the last moment when the terminal performs PUCCH or PUSCH transmission corresponding to the first DCI.

[0153] Among them, the size of the second duration can be pre-set according to demand, and the embodiment of the present disclosure does not limit this. For example, considering that it takes a certain amount of time for the terminal to switch to a new second TCI state, the second duration can be pre-set to beam application time (beamAppTime) symbols (symbol), that is, the first second TCI state or the first pair of second TCI states in the multiple second TCI states can be applied at the sending or receiving moment of the first DCI (that is, the sixth moment), or starting from the first slot after beamAppTime symbols after the last symbol of the PUCCH or PUSCH corresponding to the first DCI.

[0154] In actual application, the network side may indicate to the terminal the time interval between the moments when two adjacent second TCI states or two adjacent pairs of second TCI states among the multiple second TCI states start to be applied.

[0155] Based on this, in one embodiment, the method may further include:

[0156] Receive fourth information sent by the network side, where the fourth information is used to indicate a time interval between moments when two adjacent second TCI states or two adjacent pairs of second TCI states in the multiple second TCI states start to be applied.

[0157] In which, in actual application, assuming that the time unit of the current system is slot, and assuming that the sixth moment or the seventh moment can be recorded as slot#n2, and the time interval indicated by the fourth information can be recorded as T2 (i.e., T2 slot), then when the first DCI containing the third information sent by the network side is received, the time interval in which each second TCI state in the multiple second TCI states is effective (i.e., applied) can be expressed as [n2, n2+T2-1], or, the time interval in which each pair of second TCI states in the multiple second TCI states is effective can be expressed as [n2, n2+T2-1]. In addition, when the second TCI state indicated by the third information is different from the first TCI state indicated by the first information, the first second TCI state among the multiple second TCI states or the first pair of second TCI states can be applied starting at the seventh moment (which can be understood as starting to take effect), that is, the seventh moment can be recorded as slot#n2; when the second TCI state indicated by the third information is the same as the first TCI state indicated by the first information, the first second TCI state among the multiple second TCI states or the first pair of second TCI states can be applied starting at the sixth moment, that is, the sixth moment can be recorded as slot#n2.

[0158] In actual application, the network side can indicate to the terminal through RRC signaling (which may be referred to as second RRC signaling in subsequent descriptions) the time interval between the moments when two adjacent second TCI states or two adjacent pairs of second TCI states among the multiple second TCI states start to be applied.

[0159] Based on this, in one embodiment, the receiving the fourth information sent by the network side may include:

[0160] Receive second RRC signaling sent by the network side, where the second RRC signaling includes the fourth information.

[0161] In actual application, the time interval indicated by the fourth information may be the same as or different from the time interval indicated by the second information, and this embodiment of the present disclosure does not limit this.

[0162] In actual application, the network side may also indicate the multiple second TCI states and the application time sequence of the multiple second TCI states to the terminal through MAC CE (which may be referred to as second MAC CE in the subsequent description).

[0163] Based on this, in one embodiment, the receiving of the third information sent by the network side may include:

[0164] Receive a second MAC CE sent by the network side, where the second MAC CE includes the third information.

[0165] Among them, in actual application, similar to receiving the first MAC CE containing the first information sent by the network side, when receiving the second MAC CE containing the third information sent by the network side, the first second TCI state or the first pair of second TCI states in the multiple second TCI states can be applied (can be understood as starting to take effect) at the ninth moment; the ninth moment is after the tenth moment and is separated from the tenth moment by the first duration, and the tenth moment is the moment when the terminal reports the HARQ-ACK corresponding to the PDSCH carrying the second MAC CE to the network side. Exemplarily, when the specific value of the first duration is 3ms, the first second TCI state or the first pair of second TCI states in the multiple second TCI states can take effect 3ms after the HARQ-ACK corresponding to the PDSCH of the second MAC CE is reported.

[0166] In addition, assuming that the time unit of the current system is slot, and assuming that the ninth moment can be recorded as slot#n3, and the time interval indicated by the fourth information can be recorded as T2 (i.e., T2 slot), then when the second MAC CE containing the third information sent by the network side is received, the time interval for the first second TCI state among the multiple second TCI states to take effect (i.e., be applied) can be expressed as [n3, n3+T2-1], and the time when each second TCI state starting from the second second TCI state begins to be applied (can be understood as starting to take effect) is equal to the time when the previous second TCI state begins to be applied plus T2 slot; in other words, each second TCI state starting from the second second TCI state is recorded as the i3th second TCI state (i3 is an integer greater than or equal to 2, and i3 is less than or equal to the total number of the multiple second TCI states), then the time interval for the i3th second TCI state to take effect (i.e., be applied) can be expressed as [n3+(i3-1)*T2, n3+i3*T2-1]. Alternatively, the time interval in which the first pair of second TCI states among the multiple second TCI states is effective can be expressed as [n3, n3+T2-1], and the time when each pair of second TCI states starting from the second pair of second TCI states begins to be applied is equal to the time when the previous pair of second TCI states begins to be applied plus T2 slot. In other words, each pair of second TCI states starting from the second pair of second TCI states is recorded as the i4th pair of second TCI states (i4 is an integer greater than or equal to 2, and i4 is less than or equal to the logarithm of the second TCI states corresponding to the multiple second TCI states), then the time interval in which the i4th pair of second TCI states is effective can be expressed as [n3+(i4-1)*T2, n3+i4*T2-1].

[0167] In actual application, it can be understood that no matter whether the network side indicates the multiple second TCI states and the application time order of the multiple second TCI states through MAC CE (i.e., the second MAC CE) or DCI (i.e., the first DCI), as long as the network side sends the third information after sending the first information, the terminal can use the third information as the basis, that is, use the third information to determine the TCI state applied in the corresponding time interval. Specifically, from the perspective of the terminal, the terminal can determine the TCI state applied in the corresponding time interval according to the MAC CE received at the most recent moment (i.e., the first MAC CE or the second MAC CE). For example, after receiving the first MAC CE sent by the network side containing the first information at the third moment, when the second MAC CE sent by the network side containing the third information is received at the fourth moment, the terminal can use the third information to determine the TCI state applied in the corresponding time interval. Alternatively, when the TCI states applied in the corresponding time intervals indicated by the DCI (i.e., the first DCI) and the MAC CE (i.e., the first MAC CE) are different, the terminal may follow (expressed as follow in English) the TCI state (i.e., the second TCI state) indicated by the DCI (i.e., the first DCI).

[0168] Based on this, in one embodiment, the method may further include:

[0169] After receiving the first MAC CE containing the first information sent by the network side at the third moment, when receiving the second MAC CE containing the third information sent by the network side at the fourth moment, use the third information to determine the TCI status of the application in the corresponding time interval.

[0170] In another embodiment, the method may further include:

[0171] After receiving the first MAC CE containing the first information sent by the network side at the third moment, when receiving the first DCI containing the third information sent by the network side at the fifth moment, the third information is used to determine the TCI status applied in the corresponding time interval.

[0172] In actual application, the fifth moment can represent both the moment when the terminal receives the first DCI and the moment when the network side sends the first DCI; in other words, the fifth moment and the sixth moment may have the same meaning.

[0173] In actual application, when the network side re-indicates the multiple second TCI states and the application time sequence of the multiple second TCI states through DCI (i.e., the first DCI), the network side can specifically indicate the offset of the moment when each second TCI state starts to be applied (which can be understood as the moment when it starts to take effect) relative to the moment when the DCI is received (i.e., the fifth moment).

[0174] Based on this, in one embodiment, when the first DCI containing the third information is received from the network side at the fifth moment, the third information may include fifth information corresponding to each second TCI state in the multiple second TCI states, and the fifth information represents the time offset of the moment when the second TCI state starts to be applied relative to the fifth moment.

[0175] Among them, in actual application, assuming that the time unit of the current system is slot, the fifth information can specifically represent the number of slot offsets (which can be expressed as slot offset in English) of the moment when the second TCI state starts to be applied relative to the fifth moment.

[0176] In actual application, as can be seen from the above description, the network side can directly indicate the multiple first TCI states to the terminal, or the network side can group the multiple first TCI states. For example, when the base station indicates the TCI state based on time domain prediction (i.e., the first TCI state) under the Unified TCI framework, the following three scenarios may exist:

[0177] In scenario 1, the base station indicates a set of first TCI states to the UE through a MAC CE (i.e., the first MAC CE). The set of first TCI states includes P1 downlink TCI states and / or uplink TCI states, or includes P1 joint TCI states. P1 is an integer greater than 0, P1 may be equal to the above N, and the above M may be equal to P1 divided by 2.

[0178] In scenario 2, the base station indicates multiple groups (i.e., at least two groups) of TCI states to the UE through a MAC CE (i.e., the first MAC CE), where each group of TCI states includes P2 downlink TCI states and / or uplink TCI states, or includes P2 joint TCI states; P2 is an integer greater than 0, P2 may be equal to the above N, and the above M may be equal to P2 divided by 2;

[0179] Scenario 3: The base station indicates P3 downlink TCI states and / or uplink TCI states to the UE through MAC CE (i.e., the first MAC CE), or indicates P3 joint TCI states, where P3 is an integer greater than 0.

[0180] Among them, for the above-mentioned scenario 1, the first (or first pair) first TCI state in the group of first TCI states can take effect 3ms (i.e., the first duration) after the HARQ-ACK corresponding to the PDSCH carrying the MAC CE (i.e., the first MAC CE) is reported, and the effective moment (i.e., the first moment) can be recorded as slot#n1, then the effective time interval of the first (or first pair) first TCI state can be expressed as [n1, n1+T1-1], and T1 (i.e., the time interval indicated by the second information) can be configured through RRC (i.e., the first RRC signaling). Correspondingly, the start time of each of the remaining (or each pair of) first TCI states is equal to the start time of the previous (or previous pair of) first TCI states plus T1 slot. The first TCI state is recorded as the i-th (or i-th pair) first TCI state (i=2,…,P1), then the effective time interval of the i-th (or i-th pair) first TCI state can be expressed as [n1+(i-1)*T1, n1+i*T1-1].

[0181] For the above scenario 1, the UE can determine the TCI status of the corresponding time interval according to the MAC CE received at the most recent moment, that is, the base station can send a new MAC CE (that is, the second MAC CE) to update the TCI status corresponding to some specific time intervals (that is, the second TCI status). The MAC CE (that is, the second MAC CE) can specifically indicate P4 downlink TCI states and / or uplink TCI states, or indicate P5 joint TCI states, where P4 and P5 are both integers greater than 0, and P4 and P5 can be the same or different. The first (or first pair) of second TCI states indicated by the MAC CE can take effect 3ms (i.e., the first duration) after the HARQ-ACK corresponding to the PDSCH carrying the MAC CE is reported. The effective moment (i.e., the ninth moment) can be recorded as slot#n3. The effective time interval of the first (or first pair) of second TCI states can be expressed as [n3, n3+T2-1]. T2 (i.e., the time interval indicated by the fourth information) can be configured through RRC (i.e., the second RRC signaling) and can be the same as or different from T1. Correspondingly, the start time of each of the remaining (or each pair of) second TCI states is equal to the start time of the previous (or previous pair of) second TCI states plus T2 slot. The second TCI state is recorded as the i-th (or i-th pair) second TCI state (i=2,..., P4 or P5), then the effective time interval of the i-th (or i-th pair) second TCI state can be expressed as [n3+(i-1)*T2, n3+i*T2-1].

[0182] For the above scenario 1, the base station can also update the TCI state (i.e., the second TCI state) corresponding to some specific time intervals through DCI format 1_1 / 1_2 (i.e., the first DCI). Specifically, the DCI (i.e., the first DCI) can indicate P6 downlink TCI states and / or uplink TCI states, or indicate P7 joint TCI states, where P6 and P7 are both integers greater than 0, and P6 and P7 can be the same or different. In addition, the DCI can indicate each TCI state (i.e., the second TCI state) and the corresponding slot offset (i.e., the fifth information), where slot offset indicates that the corresponding TCI state takes effect after slot offset slots after the DCI sending moment (i.e., the fifth moment); or, the effective time interval of each (or each pair) of the second TCI states indicated by the DCI can be expressed as [n2, n2+T2-1]. Among them, when the DCI does not include a downlink shared channel (DL-SCH), the UE can send a positive HARQ-ACK corresponding to the DCI on the PUCCH or PUSCH; when the DCI includes DL-SCH, the UE can send a positive HARQ-ACK corresponding to the PDSCH scheduled by the DCI on the PUCCH or PUSCH; slot#n2 can represent the sending or receiving time of the DCI (i.e., the fifth moment and the sixth moment); or, slot#n2 can represent the first slot after beamAppTime symbols after the last symbol of the above-mentioned PUCCH or PUSCH; T2 (i.e., the time interval indicated by the fourth information) can be configured by RRC (i.e., the second RRC signaling) and can be the same as or different from T1. In addition, when the TCI states effective in the corresponding time intervals indicated by the DCI and the MAC CE (i.e., the first MAC CE) are different, the UE follows the TCI state indicated by the DCI.

[0183] For the above scenario 2, the base station may subsequently indicate a set of TCI states that are effective among multiple sets of TCI states through DCI (i.e., the second DCI). When the DCI (i.e., the second DCI) does not include DL-SCH, the UE may send a positive HARQ-ACK corresponding to the DCI on the PUCCH or PUSCH; when the DCI includes DL-SCH, the UE may send a positive HARQ-ACK corresponding to the PDSCH scheduled by the DCI on the PUCCH or PUSCH. When the TCI state indicated by the DCI is different from the TCI state indicated by the MAC CE (i.e., the first MAC CE) (at this time the DCI can re-indicate one or more TCI states), the first slot after the beamAppTime symbols after the last symbol of the above-mentioned PUCCH or PUSCH can be recorded as slot#n4; otherwise, the sending or receiving moment of the DCI can be recorded as slot#n4; then the effective time interval of the first (or first pair) TCI state indicated by the DCI (i.e., the first TCI state) can be expressed as [n4, n4+T1-1], and T1 (i.e., the time interval indicated by the second information) can be configured through RRC (i.e., the first RRC signaling). Correspondingly, the start time of each of the remaining (or each pair of) TCI states is equal to the start time of the previous (or previous pair of) TCI states plus T1 slot. The TCI state is recorded as the i-th (or i-th pair) TCI state (i is an integer greater than 1), and the effective time interval of the i-th (or i-th pair) TCI state can be expressed as [n4+(i-1)*T1, n4+i*T1-1].

[0184] For the above scenario 3, the base station may subsequently indicate one or more effective TCI states in "P3 downlink TCI states and / or uplink TCI states, or P3 joint TCI states" through DCI (i.e., the third DCI). When the DCI (i.e., the third DCI) does not include DL-SCH, the UE may send the positive HARQ-ACK corresponding to the DCI on the PUCCH or PUSCH; when the DCI includes DL-SCH, the UE may send the positive HARQ-ACK corresponding to the PDSCH scheduled by the DCI on the PUCCH or PUSCH. When the TCI state indicated by the DCI is different from the TCI state indicated by the MAC CE (i.e., the first MAC CE) (at this time the DCI can re-indicate one or more TCI states), the first slot after the beamAppTime symbols after the last symbol of the above-mentioned PUCCH or PUSCH can be recorded as slot#n5; otherwise, the sending or receiving moment of the DCI can be recorded as slot#n5; then the effective time interval of the first (or first pair) TCI state indicated by the DCI (i.e., the first TCI state) can be expressed as [n5, n5+T1-1], and T1 (i.e., the time interval indicated by the second information) can be configured through RRC (i.e., the first RRC signaling). Correspondingly, the start time of each of the remaining (or each pair of) TCI states is equal to the start time of the previous (or previous pair of) TCI states plus T1 slot. The TCI state is recorded as the i-th (or i-th pair) TCI state (i is an integer greater than 1), and the effective time interval of the i-th (or i-th pair) TCI state can be expressed as [n5+(i-1)*T1, n5+i*T1-1].

[0185] In actual application, the terminal may use the first information to determine the TCI state applied in the corresponding time interval; or the terminal may use the third information to determine the TCI state applied in the corresponding time interval; or the terminal may use the first information and the sixth information to determine the TCI state applied in the corresponding time interval; or the terminal may use the first information and the seventh information to determine the TCI state applied in the corresponding time interval. After the terminal determines the TCI state applied in the corresponding time interval, for the PDSCH, PDCCH and supportable Channel State Information-Reference Signal (CSI-RS) within the effective time range of the TCI state (i.e., within the time interval), the terminal may obtain the Quasi Co-Location (QCL) assumption based on the TCI state (the TCI state may include the downlink TCI state or the joint TCI state); for the PUSCH, PUCCH and supportable Sounding Reference Signal (CSI-RS) within the effective time range of the TCI state Signal, SRS), the terminal can obtain the uplink (UpLink, UL) spatial domain transmit filter hypothesis based on the TCI state (at this time the TCI state may include the uplink TCI state or the joint TCI state); in addition, the terminal can use the initial value P0 of the transmit power, the power attenuation coefficient alpha, the power control adjustment state index value, and the path loss reference signal index and other parameters associated with or contained in the TCI state corresponding to the effective time range (that is, the TCI state applied in the corresponding time interval) as the power control parameters of PUSCH, PUCCH and SRS configured with the high-level parameter followUnifiedTCIStateSRS in the time interval.

[0186] Accordingly, an embodiment of the present disclosure further provides an information transmission method, which is applied to a network device (specifically, a base station), and the method includes:

[0187] First information is sent to a terminal, where the first information is used to indicate a plurality of first TCI states and a time sequence of application of the plurality of first TCI states.

[0188] In one embodiment, the sending of the first information to the terminal may include:

[0189] A first MAC CE is sent to the terminal, where the first MAC CE includes the first information.

[0190] In one embodiment, the method may further include:

[0191] Sending second information to the terminal, where the second information is used to indicate a time interval between moments when two adjacent first TCI states or two adjacent pairs of first TCI states among the multiple first TCI states start to be applied, where a pair of first TCI states includes a downlink TCI state and an uplink TCI state.

[0192] In one embodiment, the sending the second information to the terminal may include:

[0193] A first RRC signaling is sent to the terminal, where the first RRC signaling includes the second information.

[0194] In one embodiment, the method may further include:

[0195] Sending third information to the terminal, where the third information is used to indicate a plurality of second TCI states and a time sequence of application of the plurality of second TCI states.

[0196] In one embodiment, the sending of the third information to the terminal may include:

[0197] Sending a second MAC CE to the terminal, where the second MAC CE includes the third information.

[0198] In one embodiment, sending the third information to the terminal may include:

[0199] A first DCI is sent to the terminal, where the first DCI includes the third information.

[0200] In one embodiment, the method may further include:

[0201] Sending fourth information to the terminal, where the fourth information is used to indicate the time interval between the moments when two adjacent second TCI states or two adjacent pairs of second TCI states among the multiple second TCI states start to be applied, where a pair of second TCI states includes a downlink TCI state and an uplink TCI state.

[0202] In one embodiment, the sending of the fourth information to the terminal may include:

[0203] Sending second RRC signaling to the terminal, where the second RRC signaling includes the fourth information.

[0204] In one embodiment, the plurality of first TCI states form one or more TCI state groups, each TCI state group includes N first TCI states or M pairs of first TCI states, where N and M are both integers greater than 0, and a pair of first TCI states includes a downlink TCI state and an uplink TCI state.

[0205] Accordingly, the method may further include:

[0206] Sending sixth information to the terminal, where the sixth information is used to indicate the applied TCI state group in the one or more TCI state groups.

[0207] In one embodiment, the sending the sixth information to the terminal may include:

[0208] Send a second DCI to the terminal, where the second DCI includes the sixth information.

[0209] In one embodiment, the method may further include:

[0210] Seventh information is sent to the terminal, where the seventh information is used to indicate one or more first TCI states applied in the multiple first TCI states.

[0211] In one embodiment, the sending the seventh information to the terminal may include:

[0212] Send a third DCI to the terminal, where the third DCI includes the seventh information.

[0213] Accordingly, an embodiment of the present disclosure further provides an information transmission method, as shown in FIG1 , the method comprising:

[0214] Step 101: A network device sends first information to a terminal, where the first information is used to indicate a plurality of first TCI states and a time sequence of application of the plurality of first TCI states;

[0215] Step 102: The terminal receives the first information sent by the network device.

[0216] The information transmission method provided by the embodiment of the present disclosure is that the network side sends a first information to the terminal, and the terminal receives the first information sent by the network side, wherein the first information is used to indicate multiple first TCI states and the application time sequence of the multiple first TCI states. The solution provided by the embodiment of the present disclosure is that the network side indicates multiple TCI states (i.e., the first TCI state) and the application time sequence of these TCI states to the terminal. In this way, when the network side performs TCI state indication based on time domain prediction under the Unified TCI framework, when multiple future TCI states are predicted by AI technology, the network side does not need to frequently indicate the change of the optimal beam to the terminal (i.e., indicate the TCI state), but can indicate the predicted multiple TCI states and the application time sequence of these TCI states through one signaling transmission (i.e., the transmission of the first information), thereby reducing the signaling used for TCI state indication and maximizing the signaling saving effect of the Unified TCI architecture; in other words, it can effectively reduce the overhead of TCI state indication and give full play to the time domain beam prediction gain of AI, thereby effectively improving the communication performance of the network side.

[0217] In order to implement the terminal-side method of the embodiment of the present disclosure, the embodiment of the present disclosure further provides an information transmission device, which is provided on the terminal. As shown in FIG2 , the device includes:

[0218] The first receiving unit 201 is used to receive first information sent by the network side, where the first information is used to indicate multiple first TCI states and the application time sequence of the multiple first TCI states.

[0219] In one embodiment, the first receiving unit 201 is specifically configured to receive a first MAC CE sent by the network side, where the first MAC CE includes the first information.

[0220] In one embodiment, the first receiving unit 201 is further used to receive second information sent by the network side, where the second information is used to indicate the time interval between the moments when two adjacent first TCI states or two adjacent pairs of first TCI states among the multiple first TCI states start to be applied, and a pair of first TCI states includes a downlink TCI state and an uplink TCI state.

[0221] In one embodiment, the first receiving unit 201 is further configured to receive a first RRC signaling sent by the network side, where the first RRC signaling includes the second information.

[0222] In one embodiment, as shown in FIG2 , the apparatus may further include:

[0223] The second receiving unit 202 is configured to receive third information sent by the network side, where the third information is used to indicate a plurality of second TCI states and an application time sequence of the plurality of second TCI states.

[0224] In one embodiment, the second receiving unit 202 is specifically configured to receive a second MAC CE sent by the network side, where the second MAC CE includes the third information.

[0225] In one embodiment, the second receiving unit 202 is specifically configured to receive a first DCI sent by the network side, where the first DCI includes the third information.

[0226] In one embodiment, the second receiving unit 202 is further used to receive fourth information sent by the network side, where the fourth information is used to indicate the time interval between the moments when two adjacent second TCI states or two adjacent pairs of second TCI states among the multiple second TCI states start to be applied, and a pair of second TCI states includes a downlink TCI state and an uplink TCI state.

[0227] In one embodiment, the second receiving unit 202 is further configured to receive a second RRC signaling sent by the network side, where the second RRC signaling includes the fourth information.

[0228] In one embodiment, as shown in FIG2 , the apparatus may further include:

[0229] The processing unit 203 is configured to determine the TCI state applied in the corresponding time interval by using the third information after receiving the first MAC CE containing the first information sent by the network side at the third moment and receiving the second MAC CE containing the third information sent by the network side at the fourth moment, or after receiving the first MAC CE containing the first information sent by the network side at the third moment and receiving the first DCI containing the third information sent by the network side at the fifth moment.

[0230] In one embodiment, the plurality of first TCI states form one or more TCI state groups, each TCI state group includes N first TCI states or M pairs of first TCI states, where N and M are both integers greater than 0, and a pair of first TCI states includes a downlink TCI state and an uplink TCI state.

[0231] Correspondingly, the processing unit 203 is further configured to determine the application time sequence of the N first TCI states or the application time sequence of the M pairs of first TCI states according to the arrangement order of the N first TCI states or the arrangement order of the M pairs of first TCI states.

[0232] In one embodiment, as shown in FIG2 , the apparatus may further include:

[0233] The third receiving unit 204 is configured to receive sixth information sent by the network side, where the sixth information is used to indicate the applied TCI state group in the one or more TCI state groups.

[0234] In one embodiment, the third receiving unit 204 is specifically configured to receive a second DCI sent by the network side, where the second DCI includes the sixth information.

[0235] In one embodiment, the third receiving unit 204 is further configured to receive seventh information sent by the network side, where the seventh information is used to indicate one or more first TCI states applied in the multiple first TCI states.

[0236] In one embodiment, the third receiving unit 204 is further configured to receive a third DCI sent by the network side, where the third DCI includes the seventh information.

[0237] In actual application, the first receiving unit 201, the second receiving unit 202 and the third receiving unit 204 can be implemented by a communication interface in the information transmission device; the processing unit 203 can be implemented by a processor in the information transmission device.

[0238] In order to implement the method on the network device side of the embodiment of the present disclosure, the embodiment of the present disclosure further provides an information transmission device, which is provided on the network device. As shown in FIG3 , the device includes:

[0239] The first sending unit 301 is configured to send first information to a terminal, where the first information is used to indicate a plurality of first TCI states and a time sequence of application of the plurality of first TCI states.

[0240] In one embodiment, the first sending unit 301 is specifically configured to send a first MAC CE to the terminal, where the first MAC CE includes the first information.

[0241] In one embodiment, the first sending unit 301 is further used to send second information to the terminal, where the second information is used to indicate the time interval between the moments when two adjacent first TCI states or two adjacent pairs of first TCI states among the multiple first TCI states start to be applied, and a pair of first TCI states includes a downlink TCI state and an uplink TCI state.

[0242] In one embodiment, the first sending unit 301 is further configured to send a first RRC signaling to the terminal, where the first RRC signaling includes the second information.

[0243] In one embodiment, as shown in FIG3 , the apparatus may further include:

[0244] The second sending unit 302 is configured to send third information to the terminal, where the third information is used to indicate a plurality of second TCI states and an application time sequence of the plurality of second TCI states.

[0245] In one embodiment, the second sending unit 302 is specifically configured to send a second MAC CE to the terminal, where the second MAC CE includes the third information.

[0246] In one embodiment, the second sending unit 302 is specifically configured to send a first DCI to the terminal, where the first DCI includes the third information.

[0247] In one embodiment, the second sending unit 302 is further used to send fourth information to the terminal, where the fourth information is used to indicate the time interval between the moments when two adjacent second TCI states or two adjacent pairs of second TCI states among the multiple second TCI states start to be applied, and a pair of second TCI states includes a downlink TCI state and an uplink TCI state.

[0248] In one embodiment, the second sending unit 302 is further configured to send a second RRC signaling to the terminal, where the second RRC signaling includes the fourth information.

[0249] In one embodiment, the plurality of first TCI states form one or more TCI state groups, each TCI state group includes N first TCI states or M pairs of first TCI states, where N and M are both integers greater than 0, and a pair of first TCI states includes a downlink TCI state and an uplink TCI state.

[0250] Accordingly, as shown in FIG3 , the apparatus may further include:

[0251] The third sending unit 303 is configured to send sixth information to the terminal, where the sixth information is used to indicate the applied TCI state group in the one or more TCI state groups.

[0252] In one embodiment, the third sending unit 303 is specifically configured to send a second DCI to the terminal, where the second DCI includes the sixth information.

[0253] In one embodiment, the third sending unit 303 is further configured to send seventh information to the terminal, where the seventh information is used to indicate one or more first TCI states applied in the multiple first TCI states.

[0254] In one embodiment, the third sending unit 303 is further configured to send a third DCI to the terminal, where the third DCI includes the seventh information.

[0255] In actual application, the first sending unit 301, the second sending unit 302 and the third sending unit 303 can be implemented by a communication interface in the information transmission device.

[0256] It should be noted that the information transmission device provided in the above embodiments is illustrated only by the division of the aforementioned program modules when performing information transmission. In actual applications, the aforementioned processing can be assigned to different program modules as needed, that is, the internal structure of the device can be divided into different program modules to complete all or part of the aforementioned processing. In addition, the information transmission device provided in the above embodiments and the information transmission method embodiment are based on the same concept. The specific implementation process is detailed in the method embodiment and will not be repeated here.

[0257] Based on the hardware implementation of the above program modules, and in order to implement the method on the terminal side of the embodiment of the present disclosure, the embodiment of the present disclosure further provides a terminal, as shown in FIG4 , the terminal 400 includes:

[0258] The first communication interface 401 is capable of exchanging information with the network side and / or other terminals;

[0259] A first processor 402 is connected to the first communication interface 401 to implement information interaction with the network side and / or other terminals, and is used to execute the methods provided by one or more technical solutions on the terminal side when running a computer program;

[0260] A first memory 403 , on which the computer program is stored.

[0261] Specifically, the first communication interface 401 is used to receive first information sent by the network side, where the first information is used to indicate multiple first TCI states and the application time sequence of the multiple first TCI states.

[0262] In one embodiment, the first communication interface 401 is further configured to receive a first MAC CE sent by the network side, where the first MAC CE includes the first information.

[0263] In one embodiment, the first communication interface 401 is further used to receive second information sent by the network side, where the second information is used to indicate the time interval between the moments when two adjacent first TCI states or two adjacent pairs of first TCI states among the multiple first TCI states start to be applied, and a pair of first TCI states includes a downlink TCI state and an uplink TCI state.

[0264] In one embodiment, the first communication interface 401 is further configured to receive a first RRC signaling sent by the network side, where the first RRC signaling includes the second information.

[0265] In one embodiment, the first communication interface 401 is further configured to receive third information sent by the network side, where the third information is configured to indicate a plurality of second TCI states and a time sequence of application of the plurality of second TCI states.

[0266] In one embodiment, the first communication interface 401 is further configured to receive a second MAC CE sent by the network side, where the second MAC CE includes the third information.

[0267] In one embodiment, the first communication interface 401 is further configured to receive a first DCI sent by the network side, where the first DCI includes the third information.

[0268] In one embodiment, the first communication interface 401 is further used to receive fourth information sent by the network side, and the fourth information is used to indicate the time interval between the moments when two adjacent second TCI states or two adjacent pairs of second TCI states among the multiple second TCI states start to be applied, and a pair of second TCI states includes a downlink TCI state and an uplink TCI state.

[0269] In one embodiment, the first communication interface 401 is further configured to receive a second RRC signaling sent by the network side, where the second RRC signaling includes the fourth information.

[0270] In one embodiment, the first processor 402 is configured to, after receiving a first MAC CE containing the first information sent by the network side through the first communication interface 401 at a third moment, receive a second MAC CE containing the third information sent by the network side through the first communication interface 401 at a fourth moment, or, after receiving a first MAC CE containing the first information sent by the network side through the first communication interface 401 at a third moment, receive a first DCI containing the third information sent by the network side through the first communication interface 401 at a fifth moment, use the third information to determine the TCI state applied in the corresponding time interval.

[0271] In one embodiment, the plurality of first TCI states form one or more TCI state groups, each TCI state group includes N first TCI states or M pairs of first TCI states, where N and M are both integers greater than 0, and a pair of first TCI states includes a downlink TCI state and an uplink TCI state.

[0272] Correspondingly, the first processor 402 is further used to determine the application time order of the N first TCI states or the application time order of the M pairs of first TCI states according to the arrangement order of the N first TCI states or the arrangement order of the M pairs of first TCI states.

[0273] In one embodiment, the first communication interface 401 is further configured to receive sixth information sent by the network side, where the sixth information is used to indicate the applied TCI state group in the one or more TCI state groups.

[0274] In one embodiment, the first communication interface 401 is further configured to receive a second DCI sent by the network side, where the second DCI includes the sixth information.

[0275] In one embodiment, the first communication interface 401 is further configured to receive seventh information sent by the network side, where the seventh information is configured to indicate one or more first TCI states applied in the multiple first TCI states.

[0276] In one embodiment, the first communication interface 401 is further configured to receive a third DCI sent by the network side, where the third DCI includes the seventh information.

[0277] It should be noted that the specific processing process of the first communication interface 401 and the first processor 402 can be understood by referring to the above method, and will not be repeated here.

[0278] Of course, in actual use, the various components in terminal 400 are coupled together via bus system 404. It will be appreciated that bus system 404 is used to enable communication between these components. In addition to a data bus, bus system 404 also includes a power bus, a control bus, and a status signal bus. However, for clarity, in FIG4 , all of these buses are labeled as bus system 404.

[0279] The first memory 403 in the embodiment of the present disclosure is used to store various types of data to support the operation of the terminal 400. Examples of such data include: any computer program used to operate on the terminal 400.

[0280] The methods disclosed in the above embodiments of the present disclosure can be applied to the first processor 402 or implemented by the first processor 402. The first processor 402 may be an integrated circuit chip with signal processing capabilities. During implementation, each step of the above method can be completed by hardware integrated logic circuits or software instructions in the first processor 402. The first processor 402 may be a general-purpose processor, a digital signal processor (DSP), or other programmable logic device, discrete gate or transistor logic device, discrete hardware components, etc. The first processor 402 can implement or execute the various methods, steps, and logic block diagrams disclosed in the embodiments of the present disclosure. A general-purpose processor may be a microprocessor or any conventional processor. The steps of the methods disclosed in conjunction with the embodiments of the present disclosure can be directly implemented and executed by a hardware decoding processor, or by a combination of hardware and software modules in the decoding processor. The software module may be located in a storage medium located in the first memory 403. The first processor 402 reads the information in the first memory 403 and, in conjunction with its hardware, completes the steps of the above method.

[0281] In an exemplary embodiment, the terminal 400 can be implemented by one or more application-specific integrated circuits (ASICs), DSPs, programmable logic devices (PLDs), complex programmable logic devices (CPLDs), field-programmable gate arrays (FPGAs), general-purpose processors, controllers, microcontrollers (MCUs), microprocessors, or other electronic components to execute the aforementioned method.

[0282] Based on the hardware implementation of the above program modules, and in order to implement the method on the network device side of the embodiment of the present disclosure, the embodiment of the present disclosure further provides a network device, as shown in FIG5 , the network device 500 includes:

[0283] The second communication interface 501 is capable of exchanging information with a terminal and / or other network devices;

[0284] A second processor 502 is connected to the second communication interface 501 to implement information interaction with the terminal and / or other network devices, and is used to execute the methods provided by one or more technical solutions on the network device side when running a computer program;

[0285] A second memory 503 , on which the computer program is stored.

[0286] Specifically, the second communication interface 501 is used to send first information to the terminal, where the first information is used to indicate multiple first TCI states and the application time sequence of the multiple first TCI states.

[0287] In one embodiment, the second communication interface 501 is further configured to send a first MAC CE to the terminal, where the first MAC CE includes the first information.

[0288] In one embodiment, the second communication interface 501 is further used to send second information to the terminal, where the second information is used to indicate the time interval between the moments when two adjacent first TCI states or two adjacent pairs of first TCI states among the multiple first TCI states start to be applied, and a pair of first TCI states includes a downlink TCI state and an uplink TCI state.

[0289] In one embodiment, the second communication interface 501 is further configured to send a first RRC signaling to the terminal, where the first RRC signaling includes the second information.

[0290] In one embodiment, the second communication interface 501 is further configured to send third information to the terminal, where the third information is configured to indicate a plurality of second TCI states and a time sequence of application of the plurality of second TCI states.

[0291] In one embodiment, the second communication interface 501 is further configured to send a second MAC CE to the terminal, where the second MAC CE includes the third information.

[0292] In one embodiment, the second communication interface 501 is further configured to send a first DCI to the terminal, where the first DCI includes the third information.

[0293] In one embodiment, the second communication interface 501 is further used to send fourth information to the terminal, where the fourth information is used to indicate the time interval between the moments when two adjacent second TCI states or two adjacent pairs of second TCI states among the multiple second TCI states start to be applied, and a pair of second TCI states includes a downlink TCI state and an uplink TCI state.

[0294] In one embodiment, the second communication interface 501 is further configured to send a second RRC signaling to the terminal, where the second RRC signaling includes the fourth information.

[0295] In one embodiment, the plurality of first TCI states form one or more TCI state groups, each TCI state group includes N first TCI states or M pairs of first TCI states, where N and M are both integers greater than 0, and a pair of first TCI states includes a downlink TCI state and an uplink TCI state.

[0296] Correspondingly, the second communication interface 501 is further used to send sixth information to the terminal, where the sixth information is used to indicate the applied TCI state group in the one or more TCI state groups.

[0297] In one embodiment, the second communication interface 501 is further configured to send a second DCI to the terminal, where the second DCI includes the sixth information.

[0298] In one embodiment, the second communication interface 501 is further configured to send seventh information to the terminal, where the seventh information is configured to indicate one or more first TCI states applied in the multiple first TCI states.

[0299] In one embodiment, the second communication interface 501 is further configured to send a third DCI to the terminal, where the third DCI includes the seventh information.

[0300] It should be noted that the specific processing process of the second communication interface 501 can be understood by referring to the above method, and will not be repeated here.

[0301] Of course, in actual use, the various components in network device 500 are coupled together via bus system 504. It will be appreciated that bus system 504 is used to enable communication between these components. In addition to a data bus, bus system 504 also includes a power bus, a control bus, and a status signal bus. However, for clarity, in FIG5 , all of these buses are labeled as bus system 504.

[0302] The second memory 503 in the embodiment of the present disclosure is used to store various types of data to support the operation of the network device 500. Examples of such data include: any computer program used to operate on the network device 500.

[0303] The methods disclosed in the above embodiments of the present disclosure can be applied to or implemented by the second processor 502. The second processor 502 may be an integrated circuit chip with signal processing capabilities. During implementation, each step of the above method can be completed by hardware integrated logic circuits or software instructions in the second processor 502. The second processor 502 may be a general-purpose processor, a DSP, or other programmable logic device, a discrete gate or transistor logic device, a discrete hardware component, etc. The second processor 502 can implement or execute the various methods, steps, and logic block diagrams disclosed in the embodiments of the present disclosure. A general-purpose processor may be a microprocessor or any conventional processor. The steps of the methods disclosed in the embodiments of the present disclosure can be directly implemented and executed by a hardware decoding processor, or by a combination of hardware and software modules in the decoding processor. The software modules may be located in a storage medium located in the second memory 503. The second processor 502 reads information from the second memory 503 and, in conjunction with its hardware, completes the steps of the above method.

[0304] In an exemplary embodiment, the network device 500 may be implemented by one or more ASICs, DSPs, PLDs, CPLDs, FPGAs, general-purpose processors, controllers, MCUs, Microprocessors, or other electronic components to perform the aforementioned methods.

[0305] It can be understood that the memory (first memory 403, second memory 503) of the embodiment of the present disclosure can be a volatile memory or a non-volatile memory, and can also include both volatile and non-volatile memories. Among them, the non-volatile memory can be a read-only memory (ROM), a programmable read-only memory (PROM), an erasable programmable read-only memory (EPROM), an electrically erasable programmable read-only memory (EEPROM), a magnetic random access memory (FRAM), a flash memory, a magnetic surface memory, an optical disc, or a compact disc read-only memory (CD-ROM); the magnetic surface memory can be a disk memory or a tape memory. The volatile memory can be a random access memory (RAM), which is used as an external cache. By way of example and not limitation, many forms of RAM are available, such as Static Random Access Memory (SRAM), Synchronous Static Random Access Memory (SSRAM), Dynamic Random Access Memory (DRAM), Synchronous Dynamic Random Access Memory (SDRAM), Double Data Rate Synchronous Dynamic Random Access Memory (DDRSDRAM), Enhanced Synchronous Dynamic Random Access Memory (ESDRAM), SyncLink Dynamic Random Access Memory (SLDRAM), and Direct Rambus Random Access Memory (DRRAM).The memories described in the embodiments of the present disclosure are intended to include, but are not limited to, these and any other suitable types of memories.

[0306] In order to implement the method provided by the embodiment of the present disclosure, the embodiment of the present disclosure further provides an information transmission system, as shown in FIG6 , which includes: a terminal 601 and a network device 602 .

[0307] Here, it should be noted that the specific processing procedures of the terminal 601 and the network device 602 have been described in detail above and will not be repeated here.

[0308] In an exemplary embodiment, the present disclosure further provides a storage medium, namely, a computer storage medium, specifically, a computer-readable storage medium, which may include, for example, a first memory 403 storing a computer program. The computer program may be executed by the first processor 402 of the terminal 400 to complete the steps of any of the aforementioned terminal-side methods. Another example includes a second memory 503 storing a computer program. The computer program may be executed by the second processor 502 of the network device 500 to complete the steps of any of the aforementioned network device-side methods. The computer-readable storage medium may be a memory such as FRAM, ROM, PROM, EPROM, EEPROM, Flash Memory, magnetic surface storage, optical disk, or CD-ROM.

[0309] In an exemplary embodiment, the embodiment of the present disclosure also provides a computer program product, including a computer program, which can be executed by the first processor 402 of the terminal 400 to complete the steps described in any of the aforementioned terminal-side methods; or, the computer program can be executed by the second processor 502 of the network device 500 to complete the steps described in any of the aforementioned network device-side methods.

[0310] It should be noted that: "first", "second", etc. are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence.

[0311] In addition, the technical solutions described in the embodiments of the present disclosure can be arbitrarily combined without conflict.

[0312] The above description is merely a preferred embodiment of the present disclosure and is not intended to limit the scope of protection of the present disclosure.

Claims

1. An information transmission method, applied to a terminal, comprising: Receive first information sent by the network side, where the first information is used to indicate multiple first transmission configuration indication TCI states and the application time sequence of the multiple first TCI states.

2. The method according to claim 1, wherein Each of the plurality of first TCI states includes one of the following: Downlink TCI status; Uplink TCI status; United TCI states.

3. The method according to claim 1, wherein Upon receiving the first media access control element MAC CE containing the first information sent by the network side, the first first TCI state among the multiple first TCI states or the first pair of first TCI states starts to be applied at a first moment, and a pair of first TCI states includes a downlink TCI state and an uplink TCI state; the first moment is after the second moment and is spaced from the second moment by a first time length, and the second moment is the moment when the terminal reports to the network side an acknowledgment response HARQ-ACK of the hybrid automatic repeat request corresponding to the physical downlink shared channel PDSCH carrying the first MAC CE.

4. The method according to any one of claims 1 to 3, further comprising: Receive second information sent by the network side, where the second information is used to indicate the time interval between the moments when two adjacent first TCI states or two adjacent pairs of first TCI states among the multiple first TCI states start to be applied, where a pair of first TCI states includes a downlink TCI state and an uplink TCI state.

5. The method according to claim 4, wherein The receiving the second information sent by the network side includes: Receive first radio resource control RRC signaling sent by the network side, where the first RRC signaling includes the second information.

6. The method according to any one of claims 1 to 3, further comprising: Receive third information sent by the network side, where the third information is used to indicate multiple second TCI states and an application time sequence of the multiple second TCI states.

7. The method according to claim 6, further comprising: Receive fourth information sent by the network side, where the fourth information is used to indicate the time interval between the moments when two adjacent second TCI states or two adjacent pairs of second TCI states among the multiple second TCI states start to be applied, where a pair of second TCI states includes a downlink TCI state and an uplink TCI state.

8. The method according to claim 6, further comprising: After receiving the first MAC CE containing the first information sent by the network side at the third moment, in a case where the second MAC CE containing the third information sent by the network side is received at the fourth moment, or after receiving the first MAC CE containing the first information sent by the network side at the third moment, in a case where the first downlink control information DCI containing the third information sent by the network side is received at the fifth moment, The third information is used to determine the TCI status of the application in the corresponding time interval.

9. The method according to claim 6, wherein: In the case of receiving the first DCI containing the third information sent by the network side, the first second TCI state among the multiple second TCI states or the first pair of second TCI states begins to be applied at the sixth moment or the seventh moment, and a pair of second TCI states includes a downlink TCI state and an uplink TCI state; the sixth moment is the moment when the network side sends the first DCI or the moment when the terminal receives the first DCI; the seventh moment is after the eighth moment and is separated from the eighth moment by a second time length, and the eighth moment is the last moment when the terminal transmits the physical uplink control channel PUCCH or the physical uplink shared channel PUSCH corresponding to the first DCI.

10. The method according to claim 6, wherein: When the first DCI containing the third information is received from the network side at the fifth moment, the third information includes the fifth information corresponding to each second TCI state in the multiple second TCI states, and the fifth information represents the time offset of the moment when the second TCI state starts to apply relative to the fifth moment.

11. The method according to any one of claims 1 to 3, wherein: The multiple first TCI states form one or more TCI state groups, each TCI state group includes N first TCI states or M pairs of first TCI states, where N and M are both integers greater than 0, and a pair of first TCI states includes a downlink TCI state and an uplink TCI state; the method further includes: An application time sequence of the N first TCI states or an application time sequence of the M pairs of first TCI states is determined according to an arrangement order of the N first TCI states or an arrangement order of the M pairs of first TCI states.

12. The method according to claim 11, further comprising: Receive sixth information sent by the network side, where the sixth information is used to indicate the TCI state group applied in the one or more TCI state groups.

13. The method according to claim 12, wherein: The receiving the sixth information sent by the network side includes: Receive a second DCI sent by the network side, where the second DCI includes the sixth information.

14. The method according to any one of claims 1 to 3, further comprising: Receive seventh information sent by the network side, where the seventh information is used to indicate one or more first TCI states applied in the multiple first TCI states.

15. The method according to claim 14, wherein The receiving the seventh information sent by the network side includes: Receive a third DCI sent by the network side, where the third DCI includes the seventh information.

16. An information transmission method, applied to a network device, comprising: First information is sent to a terminal, where the first information is used to indicate a plurality of first TCI states and a time sequence of application of the plurality of first TCI states.

17. The method according to claim 16, further comprising: Sending second information to the terminal, where the second information is used to indicate a time interval between moments when two adjacent first TCI states or two adjacent pairs of first TCI states among the multiple first TCI states start to be applied, where a pair of first TCI states includes a downlink TCI state and an uplink TCI state.

18. The method according to claim 16, further comprising: Sending third information to the terminal, where the third information is used to indicate a plurality of second TCI states and a time sequence of application of the plurality of second TCI states.

19. The method according to claim 16, further comprising: Sending fourth information to the terminal, where the fourth information is used to indicate the time interval between the start of application of two adjacent second TCI states or two adjacent pairs of second TCI states in a plurality of second TCI states, where a pair of second TCI states includes a downlink TCI state and an uplink TCI state.

20. The method according to claim 16, wherein The multiple first TCI states form one or more TCI state groups, each TCI state group includes N first TCI states or M pairs of first TCI states, where N and M are both integers greater than 0, and a pair of first TCI states includes a downlink TCI state and an uplink TCI state; the method further includes: Sending sixth information to the terminal, where the sixth information is used to indicate the applied TCI state group in the one or more TCI state groups.

21. The method according to claim 16, further comprising: Seventh information is sent to the terminal, where the seventh information is used to indicate one or more first TCI states applied in the multiple first TCI states.

22. An information transmission device, comprising: The first receiving unit is used to receive first information sent by the network side, where the first information is used to indicate multiple first TCI states and the application time sequence of the multiple first TCI states.

23. An information transmission device, comprising: The first sending unit is used to send first information to the terminal, where the first information is used to indicate multiple first TCI states and the application time sequence of the multiple first TCI states.

24. A terminal comprising: a first communication interface and a first processor; wherein, The first communication interface is used to receive first information sent by the network side, where the first information is used to indicate multiple first TCI states and the application time sequence of the multiple first TCI states.

25. A network device comprising: A second communication interface and a second processor; wherein, The second communication interface is used to send first information to the terminal, where the first information is used to indicate multiple first TCI states and the application time sequence of the multiple first TCI states.

26. A terminal comprising: a first processor and a first memory for storing a computer program capable of being executed on the processor, Wherein, when the first processor is used to run the computer program, it executes the steps of the method according to any one of claims 1 to 15.

27. A network device comprising: a second processor and a second memory for storing a computer program capable of being executed on the processor, Wherein, when the second processor is used to run the computer program, it executes the steps of the method according to any one of claims 16 to 21.

28. A storage medium having a computer program stored thereon, wherein when the computer program is executed by a processor, the computer program implements the steps of the method according to any one of claims 1 to 15, or implements the steps of the method according to any one of claims 16 to 21.

29. A computer program product comprising a computer program, wherein When the computer program is executed by a processor, the computer program implements the steps of the method according to any one of claims 1 to 15, or implements the steps of the method according to any one of claims 16 to 21.

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