Parameter configuration methods and apparatuses, terminal and network-side device

Abstract

The present application belongs to the technical field of communications. Disclosed are parameter configuration methods and apparatuses, a terminal and a network-side device. A parameter configuration method in the embodiments of the present application comprises: a terminal receiving first information, wherein the first information is used for configuring and / or indicating a set of transmission parameters for a time-domain unit of a target type, or the first information is used for configuring and / or indicating a set of transmission parameters for the time-domain unit of the target type and a target TRP; the transmission parameters comprise at least one of the following: an uplink transmission parameter, a joint transmission parameter and a downlink transmission parameter; the time-domain unit of the target type is any type of time-domain unit or each type of time-domain unit among types of time-domain units related to sub-band full duplex (SBFD); and the target TRP is any TRP or each TRP among TRPs involved in data transceiving between the terminal and a network-side device.

Description

Parameter configuration method and device, terminal and network side equipment

[0001] Cross-reference of Related Applications

[0002] This application claims priority to Chinese Patent Application No. 202411094416.4 filed on August 9, 2024 in China, the content of which is incorporated herein by reference in its entirety. TECHNICAL FIELD

[0003] The present application belongs to the field of communication technology, and particularly relates to a parameter configuration method, device, terminal and network side equipment. BACKGROUND

[0004] In order to more flexibly utilize limited frequency spectrum resources, to dynamically match business requirements, to improve resource utilization efficiency, and to improve uplink coverage, latency and other performances of data transmission, a non-overlapping sub-band full duplex (SBFD) is proposed in related technologies, that is, a flexible duplexing mode based on frequency domain non-overlapping sub-band. In a scenario applying SBFD, the network side is full duplex, and the terminal side is half duplex or full duplex. For a network deploying SBFD characteristics, the antenna or radio frequency settings applied in different types of time domain units (such as time domain units applying SBFD or time domain units not applying SBFD), and the types and intensities of existing interference may be different. If uniform or same transmission parameters are applied to these types of time domain units, there may be a mismatch between the transmission parameters and the antenna or radio frequency settings, resulting in incorrect configuration or failure to work, or some types of time domain units applying suboptimal or mismatched transmission parameters, resulting in poor transmission performance such as throughput, latency, and the like. In this case, how to configure transmission parameters is a problem that needs to be solved urgently. SUMMARY

[0005] Embodiments of the present application provide a parameter configuration method, device, terminal and network side equipment, which can solve the problem of how to configure transmission parameters for a network deploying SBFD characteristics.

[0006] In a first aspect, a parameter configuration method is provided, which is executed by a terminal, and the method comprises:

[0007] The terminal receives first information;

[0008] The first information is used to configure and / or indicate a set of transmission parameters for a target type of time domain unit, or the first information is used to configure and / or indicate a set of transmission parameters for a target type of time domain unit and a target transmission and reception point (TRP); the transmission parameters comprise at least one of the following: uplink transmission parameters, joint transmission parameters, and downlink transmission parameters.

[0009] The target type of time domain unit is any or each type of time domain unit in a time domain unit type related to SBFD; and the target TRP is any or each TRP involved in data transmission between the terminal and the network side device.

[0010] In a second aspect, a parameter configuration method is provided, which is performed by a network side device, and the method comprises:

[0011] The network side device sends first information to the terminal.

[0012] The first information is used to configure and / or indicate a set of transmission parameters for a target type of time domain unit, or the first information is used to configure and / or indicate a set of transmission parameters for a target type of time domain unit and a target TRP; the transmission parameters comprise at least one of uplink transmission parameters, joint transmission parameters, and downlink transmission parameters.

[0013] The target type of time domain unit is any or each type of time domain unit in a time domain unit type related to SBFD; and the target TRP is any or each TRP involved in data transmission between the terminal and the network side device.

[0014] In a third aspect, a parameter configuration apparatus is provided, which is applied to a terminal and comprises:

[0015] The receiving module is configured to receive, by the terminal, first information.

[0016] The first information is used to configure and / or indicate a set of transmission parameters for a target type of time domain unit, or the first information is used to configure and / or indicate a set of transmission parameters for a target type of time domain unit and a target TRP; the transmission parameters comprise at least one of uplink transmission parameters, joint transmission parameters, and downlink transmission parameters.

[0017] The target type of time domain unit is any or each type of time domain unit in a time domain unit type related to SBFD; and the target TRP is any or each TRP involved in data transmission between the terminal and the network side device.

[0018] In a fourth aspect, a parameter configuration apparatus is provided, which is applied to a network side device and comprises:

[0019] The sending module is configured to send, by the network side device, first information to the terminal.

[0020] The first information is used to configure and / or indicate a set of transmission parameters for a target type of time domain unit, or the first information is used to configure and / or indicate a set of transmission parameters for the target type of time domain unit and a target transmission and reception point (TRP); the transmission parameters include at least one of uplink transmission parameters, joint transmission parameters, and downlink transmission parameters.

[0021] The target type of time domain unit is any or each type of time domain unit in a type of time domain unit related to SBFD; and the target TRP is any or each TRP involved in data transmission and reception between the terminal and the network side device.

[0022] In a fifth aspect, a parameter configuration apparatus is provided, which is configured to perform the steps of the method according to the first aspect, or implement the steps of the method according to the second aspect.

[0023] In a sixth aspect, a terminal is provided, which includes a processor and a memory, the memory storing a program or instructions executable on the processor, and the program or instructions, when executed by the processor, implement the steps of the method according to the first aspect.

[0024] In a seventh aspect, a terminal is provided, which includes a processor and a communication interface, wherein the communication interface is configured to receive first information; the first information is used to configure and / or indicate a set of transmission parameters for a target type of time domain unit, or the first information is used to configure and / or indicate a set of transmission parameters for the target type of time domain unit and a target transmission and reception point (TRP); the transmission parameters include at least one of uplink transmission parameters, joint transmission parameters, and downlink transmission parameters; the target type of time domain unit is any or each type of time domain unit in a type of time domain unit related to SBFD; and the target TRP is any or each TRP involved in data transmission and reception between the terminal and the network side device.

[0025] In an eighth aspect, a network side device is provided, which includes a processor and a memory, the memory storing a program or instructions executable on the processor, and the program or instructions, when executed by the processor, implement the steps of the method according to the second aspect.

[0026] In a ninth aspect, a network-side device is provided, including a processor and a communication interface, wherein the communication interface is configured to send first information to a terminal; the first information is used to configure and / or indicate a set of transmission parameters for a target type of time domain unit, or the first information is used to configure and / or indicate a set of transmission parameters for a target type of time domain unit and a target TRP; the transmission parameters include at least one of uplink transmission parameters, joint transmission parameters, and downlink transmission parameters; the target type of time domain unit is any or each type of time domain unit in a type of time domain unit related to SBFD; and the target TRP is any or each TRP related to data transmission and reception between the terminal and the network-side device.

[0027] In a tenth aspect, a readable storage medium is provided, in which a program or instructions are stored, and the program or instructions are executed by a processor to implement the steps of the method according to the first aspect or the steps of the method according to the second aspect.

[0028] In an eleventh aspect, a wireless communication system is provided, including a terminal and a network-side device, wherein the terminal is configured to implement the steps of the method according to the first aspect, and the network-side device is configured to implement the steps of the method according to the second aspect.

[0029] In a twelfth aspect, a chip is provided, including a processor and a communication interface, wherein the communication interface is coupled to the processor, and the processor is configured to run a program or instructions to implement the method according to the first aspect or the method according to the second aspect.

[0030] In a thirteenth aspect, a computer program / program product is provided, which is stored in a storage medium, and the computer program / program product is executed by at least one processor to implement the steps of the method according to the first aspect or the steps of the method according to the second aspect.

[0031] By the scheme of the embodiments of the present application, for a network deployed with the SBFD feature, the types of time domain units can be distinguished to configure and / or indicate the applied downlink (DL) / uplink (UL) / joint transmission parameters, which can support typical deployment scenarios of Single TRP, Multiple TRP, and Multiple Input Multiple Output (MIMO) transmission, thereby ensuring that the transmission parameters applied by various types of time domain units match or are compatible with the antenna or radio frequency settings of this type of time domain unit, and the optimal transmission parameters of various types of time domain units match the channel quality, interference type and strength, etc. in this type of time domain unit, thereby ensuring the interference control capability and transmission performance such as throughput and latency when the SBFD feature is deployed. In addition, the transmission parameters applied by multiple transmissions or multiple types of transmissions can be uniformly and dynamically indicated, thereby reducing signaling overhead and shortening the indication delay. BRIEF DESCRIPTION OF DRAWINGS

[0032] FIG. 1 shows a block diagram of a wireless communication system to which embodiments of the present application can be applied;

[0033] FIG. 2 is a flowchart of a parameter configuration method according to an embodiment of the present application;

[0034] FIG. 3 is a flowchart of another parameter configuration method according to an embodiment of the present application;

[0035] FIG. 4 is a structural schematic diagram of a parameter configuration apparatus according to an embodiment of the present application;

[0036] FIG. 5 is a structural schematic diagram of another parameter configuration apparatus according to an embodiment of the present application;

[0037] FIG. 6 is a structural schematic diagram of a communication device according to an embodiment of the present application;

[0038] FIG. 7 is a structural schematic diagram of a terminal according to an embodiment of the present application;

[0039] FIG. 8 is a structural schematic diagram of a network side device according to an embodiment of the present application. DETAILED DESCRIPTION

[0040] The technical solutions in the embodiments of the present application will be described clearly below with reference to the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art belong to the scope of protection of the present application.

[0041] The terms "first," "second," etc., used in this application are used to distinguish similar objects and not to describe a specific order or sequence. It should be understood that such terms can be used interchangeably where appropriate so that embodiments of this application can be implemented in orders other than those illustrated or described herein, and the objects distinguished by "first" and "second" are generally of the same class, not limited in number; for example, the first object can be one or more. Furthermore, "or" in this application indicates at least one of the connected objects. For example, the scope of protection for "A or B" covers at least three scenarios: Scenario 1: including A but not B; Scenario 2: including B but not A; Scenario 3: including both A and B. In addition, the terms "A and / or B," "at least one of A and B," and "at least one of A or B" also cover at least the above three scenarios. The character " / " generally indicates that the preceding and following objects are in an "or" relationship.

[0042] The term "instruction" in this application can be either a direct instruction (or explicit instruction) or an indirect instruction (or implicit instruction). A direct instruction can be understood as one in which the sender explicitly informs the receiver of specific information, the operation to be performed, or the requested result, etc., in the instruction sent. An indirect instruction can be understood as one in which the receiver determines the corresponding information based on the instruction sent by the sender, or makes a judgment and determines the operation to be performed or the requested result, etc., based on the judgment result.

[0043] It is worth noting that the technology described in the embodiments of the present application is not limited to Long Term Evolution (LTE) / LTE-Advanced (LTE-A) systems, but can also be used in other wireless communication systems, such as Code Division Multiple Access (CDMA), Time Division Multiple Access (TDMA), Frequency Division Multiple Access (FDMA), Orthogonal Frequency Division Multiple Access (OFDMA), Single-carrier Frequency-Division Multiple Access (SC-FDMA) or other systems. The terms "system" and "network" in the embodiments of the present application are often used interchangeably, and the described technology can be used in the above-mentioned systems and radio technologies, as well as in other systems and radio technologies. The following description describes a New Radio (NR) system for example purposes, and NR terminology is used in most of the following description, but these technologies can also be applied to systems other than NR systems, such as 6th Generation (6G) communication systems. th

[0044] ​FIG. 1 shows a block diagram of a wireless communication system to which embodiments of the present application can be applied. The wireless communication system includes a terminal 11 and a network-side device 12. The terminal 11 can be a terminal-side device such as a mobile phone, a Tablet Personal Computer, a Laptop Computer, a notebook computer, a Personal Digital Assistant (PDA), a palmtop computer, a netbook, an Ultra-mobile Personal Computer (UMPC), a Mobile Internet Device (MID), an Augmented Reality (AR) device, a Virtual Reality (VR) device, a robot, a wearable device, a flight vehicle, a Vehicle User Equipment (VUE), a shipboard device, a Pedestrian User Equipment (PUE), a smart home (a home device with a wireless communication function such as a refrigerator, a television, a washing machine, or furniture), a game console, a Personal Computer (PC), a kiosk, or a self-service machine. The wearable device includes a smart watch, a smart bracelet, a smart earphone, smart glasses, smart jewelry (a smart bracelet, a smart necklace, a smart ring, a smart necklace, a smart anklet, a smart necklace, etc.), a smart wristband, smart clothing, etc. The vehicle-mounted device can also be referred to as a vehicle-mounted terminal, a vehicle-mounted controller, a vehicle-mounted module, a vehicle-mounted component, a vehicle-mounted chip, or a vehicle-mounted unit, etc. It should be noted that the specific type of the terminal 11 is not limited in the embodiments of the present application. The network-side device 12 can include an access network device or a core network device. The access network device can also be referred to as a Radio Access Network (RAN) device, a radio access network function, or a radio access network unit. The access network device can include a base station, a Wireless Local Area Network (WLAN) Access Point (AP), or a Wireless Fidelity (WiFi) node, etc.The base station can be referred to as a Node B (NB), an evolved Node B (eNB), a next generation Node B (gNB), a New Radio Node B (NR Node B), an access point, a relay station (RBS), a serving base station (SBS), a base transceiver station (BTS), a radio base station, a radio transceiver, a basic service set (BSS), an extended service set (ESS), a home Node B (HNB), a home evolved Node B, a transmit / receive point (TRP), or some other suitable terminology in the art, and is not limited to a particular technical terminology, provided that the same technical effect is achieved. It should be noted that in the embodiments of the present application, only the base station in the NR system is taken as an example for introduction, and the specific type of the base station is not limited.

[0045] In order to facilitate understanding of the embodiments of the present application, the following content is first described.

[0046] For SBFD, mainly: 1) Network side supports full duplex, that is, from the perspective of the network side, uplink transmission and downlink transmission can be performed simultaneously in different frequency domain subbands at the same time; in order to avoid interference between uplink and downlink, a certain guard band (Guard Band) can be left between the frequency domain subbands corresponding to different transmission directions (such as uplink subband and downlink subband); 2) Terminal side supports half duplex or full duplex: when the terminal side supports half duplex, only uplink transmission or downlink transmission can be performed at the same time, and both cannot be performed simultaneously; it can be understood that in this case, the uplink transmission and the downlink transmission of the network side at the same time can only be for different terminals; when the terminal side supports full duplex, similar to the network side, uplink transmission and downlink transmission can be performed simultaneously in different frequency domain subbands at the same time.

[0047] In order to unify the uplink and downlink concepts when operating the analog beam, reduce the signaling overhead and shorten the indication delay, a unified transmission configuration indication state framework (Unified TCI state framework) has been introduced. This framework can support single transmission and reception point (TRP) deployment scenarios (Single TRP deployment scenario) and multiple TRP deployment scenarios (Multiple TRP deployment scenario). Specifically, when the network side configures the terminal to use the Unified TCI state framework, at least one of the following modes can be used:

[0048] - Separate mode: the network side configures / indicates the corresponding transmission configuration indicator (TCI) state (TCI state) for the uplink transmission and downlink transmission of the terminal respectively.

[0049] - Joint mode: the network side uniformly configures / indicates the corresponding TCI state for the uplink transmission and downlink transmission of the terminal.

[0050] The "unified" in the Unified TCI state framework can be understood as the network side can uniformly indicate the applied or corresponding TCI state for the uplink transmission or downlink transmission, without the need to separately indicate the applied or corresponding TCI state for a certain type of uplink transmission or downlink transmission, or a certain time of uplink transmission or downlink transmission.

[0051] Optionally, the downlink transmission in the embodiments of the present application can include but is not limited to physical downlink control channel (PDCCH), physical downlink shared channel (PDSCH), and channel state information reference signal (CSI-RS), etc. The uplink transmission in the embodiments of the present application can include but is not limited to physical uplink control channel (PUCCH), physical uplink shared channel (PUSCH), and sounding reference signal (SRS), etc.

[0052] With reference to the accompanying drawings, the parameter configuration method, apparatus, terminal and network-side device provided by the embodiments of the present application are described in detail in terms of some embodiments and application scenarios.

[0053] Please refer to FIG. 2, which is a flowchart of a parameter configuration method provided by an embodiment of the present application. The method is executed by a terminal. As shown in FIG. 2, the method comprises the following steps:

[0054] Step 21: The terminal receives first information. The first information is used to configure and / or indicate a set of transmission parameters for a target type of time-domain unit, or the first information is used to configure and / or indicate a set of transmission parameters for a target type of time-domain unit and a target TRP.

[0055] In the embodiments of the present application, the transmission parameters can include at least one of the following: uplink (UL) transmission parameters, joint transmission parameters, and downlink (DL) transmission parameters.

[0056] The target type of time-domain unit is any type of time-domain unit or each type of time-domain unit in a type of time-domain unit related to SBFD. The type of time-domain unit related to SBFD can be all types of time-domain units or part of the types of time-domain units. Alternatively, the network side only indicates corresponding transmission parameters for part of the types of time-domain units in the determined types of time-domain units. The time-domain unit can be a frame, a subframe, a slot, a sub-slot, a symbol, etc. In the embodiments of the present application, the description of using a class or type for a time-domain unit has the same meaning, for example, any type of time-domain unit can also be described as any type of time-domain unit, and each type of time-domain unit can also be described as each type of time-domain unit, and the meaning does not change.

[0057] The target TRP is any or each of the TRPs involved in the data transceiving between the terminal and the network side device (this can be all or part of the TRPs involved in the data transceiving between the terminal and the network side device). For example, the target TRP is any or each of the multiple TRPs notified by the network side through other information; for example, when a multi-DCI based multi-TRP operation is adopted, the network side can notify the terminal that the current Multiple TRP scenario involves two TRPs by configuring two different coresetPoolIndex parameter values in the PDCCH-Config configured for the terminal, i.e., different coresetPoolIndex parameter values are configured for different ControlResourceSet in the PDCCH-Config, and the parameter values can be 0 or 1; when a single-DCI based multi-TRP operation is adopted, the network side can map two DL TCI States for a certain candidate codepoint in the mapping Medium Access Control Control Element (MAC CE), and notify the terminal that the current Multiple TRP scenario involves two TRPs. Optionally, the network side indicates the corresponding transmission parameters only for part of the time domain units of the determined time domain unit type, and / or for part of the notified TRPs.

[0058] For example, when a separate mode is adopted, in a single-TRP scenario, a set of transmission parameters configured and / or indicated for the target type of time domain unit can include a single set of uplink transmission parameters and a single set of downlink transmission parameters; in a multi-TRP scenario, a set of transmission parameters configured and / or indicated for the target type of time domain unit and the target TRP can include a single set of uplink transmission parameters and a single set of downlink transmission parameters.

[0059] For another example, when a joint mode is adopted, in a single-TRP scenario, a set of transmission parameters configured and / or indicated for the target type of time domain unit can include a single set of joint transmission parameters; in a multi-TRP scenario, a set of transmission parameters configured and / or indicated for the target type of time domain unit and the target TRP can include a single set of joint transmission parameters. In this way, the benefits of reducing signaling overhead and shortening indication delay of the Unified TCI state framework can be obtained.

[0060] In an optional embodiment, in order to match the antenna / frequency range settings corresponding to different types of time domain units and different interference conditions, the network side can indicate at least one set of corresponding DL / joint transmission parameters and / or at least one set of corresponding UL transmission parameters for each type of time domain unit.

[0061] By the scheme of the embodiments of the present application, the DL / UL / joint transmission parameters applied can be configured and / or indicated according to the types of time domain units, the typical deployment scenarios of Single TRP, Multiple TRP, and other MIMO transmission can be supported, so as to ensure that the transmission parameters applied by various types of time domain units match or are compatible with the antenna or radio frequency settings of the time domain units of this type, and the optimal transmission parameters applied by various types of time domain units match the channel quality, interference type and intensity, and the like in the time domain units of this type, so as to ensure the interference control capability and transmission performance such as throughput and latency when SBFD characteristics are deployed. In addition, the transmission parameters applied can be uniformly and dynamically indicated for multiple transmissions or multiple types of transmissions, so as to reduce the signaling overhead and shorten the indication delay.

[0062] In the embodiments of the present application, the time domain unit can include at least one of the following:

[0063] a time domain unit applying SBFD; the time domain unit applying SBFD can be a time domain unit of one duplex mode, or the time domain unit applying SBFD can include time domain units of multiple duplex modes;

[0064] a time domain unit not applying SBFD.

[0065] For example, taking a symbol as an example, based on the time division duplex (TDD) pattern configuration information provided by the network side to the terminal, for example, tdd-UL-DL-ConfigurationCommon and / or tdd-UL-DL-ConfigurationDedicated provided for a certain serving cell of the terminal, the following symbol types can be distinguished:

[0066] a downlink symbol (DL symbol);

[0067] an uplink symbol (UL symbol);

[0068] a flexible symbol.

[0069] When neither tdd-UL-DL-ConfigurationCommon nor tdd-UL-DL-ConfigurationDedicated is provided for a certain Serving cell, each symbol can be considered as Flexible symbol, or, the rule corresponding to Flexible symbol is followed.

[0070] Based on the above TDD pattern configuration information, and the SBFD configuration information provided by the network side to the terminal, the following Symbol types can be further distinguished:

[0071] (1) SBFD symbol, which can be understood as a symbol applying SBFD:

[0072] The network side can configure some symbols as symbols that can perform SBFD operation through SBFD configuration information, i.e., configure these symbols as SBFD symbols. For example, part or all of the symbols in a single period determined based on the TDD pattern can be configured as SBFD symbols. These symbols configured as SBFD symbols can be part or all of the Symbol types distinguished based on the TDD pattern configuration information.

[0073] For a certain Serving cell configured or activated for the terminal, the SBFD symbols on the Serving cell can be further distinguished as the following Symbol types:

[0074] - SBFD symbol for duplex mode 1, i.e., SBFD symbol for duplex mode 1:

[0075] For Duplex mode 1, the network side supports SBFD operation based on full duplex; the terminal side only supports SBFD operation based on half duplex, i.e., the terminal can only perform uplink transmission or downlink reception in a single SBFD symbol, and cannot simultaneously perform uplink transmission and downlink reception based on Frequency Division Multiplexing (FDM).

[0076] - SBFD symbol for duplex mode 2, i.e., SBFD symbol for duplex mode 2:

[0077] For Duplex mode 2, the network side supports full-duplex based SBFD operation; the terminal side can support full-duplex based SBFD operation, that is, the terminal can simultaneously perform FDM based uplink transmission and downlink reception within a single SBFD symbol. It can be understood that the terminal supporting full-duplex based SBFD operation (that is, supporting Duplex mode 2, or supporting SBFD symbol for duplex mode 2) must also support half-duplex based SBFD operation (that is, supporting Duplex mode 1, or supporting SBFD symbol for duplex mode 1).

[0078] (2) non-SBFD symbol, which can be understood as a symbol that does not apply SBFD:

[0079] For symbols that are not configured and / or instructed to perform SBFD operation, they can all be considered as non-SBFD symbols.

[0080] In the embodiments of the present application, in the Single TRP scenario, that is, each set of DL / joint transmission parameters and / or each set of UL transmission parameters corresponds to one TRP, the network side can use different indication methods to indicate a set of corresponding DL / joint transmission parameters and / or a set of corresponding UL transmission parameters for the target type of time domain unit (such as SBFD symbol or non-SBFD symbol), as follows.

[0081] Transmission parameter indication method 1:

[0082] In this method 1, the network side configures a single set of corresponding DL / joint transmission parameters and / or a single set of corresponding UL transmission parameters for the target type of time domain unit. It can also be understood that these transmission parameters are applied to the target type of time domain unit.

[0083] Optionally, the above receiving the first information can include: the terminal receives the first information through the first configuration information, that is, only through high layer signaling such as radio resource control (RRC) signaling to configure transmission, and the first configuration information is used to configure a set of transmission parameters for the target type of time domain unit. For example, when the separate mode is adopted, a single set of uplink transmission parameters and a single set of downlink transmission parameters can be configured for the target type of time domain unit; and when the joint mode is adopted, a single set of joint transmission parameters can be configured for the target type of time domain unit.

[0084] Optionally, after receiving the first configuration information, the terminal applies the set of transmission parameters configured for the time-domain unit of the target type, i.e., directly applies the set of transmission parameters configured.

[0085] The transmission parameter indication mode 1 is mainly applied to a scenario in which the transmission parameters applied by the time-domain unit of the target type are relatively certain and do not need to be dynamically changed. At this time, the network side can semi-statically configure a set of directly applied transmission parameters for the time-domain unit of the target type, which can reduce the configuration signaling overhead and avoid the complexity involved in subsequent operations such as MAC CE mapping and DCI indication.

[0086] The transmission parameter indication mode 2 is as follows:

[0087] In this mode 2, the network side configures at least one set of corresponding DL / joint transmission parameters and / or at least one set of corresponding UL transmission parameters for the time-domain unit of the target type. Further, the network side can use a medium access control control element (MAC CE) to map 0 or 1 set of DL / joint transmission parameters and / or 0 or 1 set of UL transmission parameters corresponding to the time-domain unit of the target type to a certain candidate codepoint (codepoint) in a target field (such as a TCI field) of a downlink control information (DCI), and this DCI is used to dynamically indicate the DL / joint transmission parameters and / or UL transmission parameters applied by the time-domain unit of the target type. Here, the number of candidate codepoints is related to the number of bits occupied by the target field, for example, when the target field occupies 3 bits, there are 8 candidate codepoints. Among them, when 1 set of DL / joint transmission parameters and / or 1 set of UL transmission parameters are mapped to a certain candidate codepoint for the time-domain unit of the target type, the candidate codepoint is considered valid. Based on the number of valid candidate codepoints mapped by the network side for the time-domain unit of the target type, the following modes can be further distinguished:

[0088] The transmission parameter indication mode 2-1 is as follows:

[0089] In this mode 2-1, the network side only maps a single valid candidate codepoint for the time-domain unit of the target type.

[0090] Optionally, the above receiving the first information can include:

[0091] The terminal receives second configuration information, which is used to configure at least one set of transmission parameters for the time-domain unit of the target type; for example, the terminal can receive the second configuration information from the network side device;

[0092] The terminal receives the first MAC CE, and the first MAC CE is used to map a set of transmission parameters corresponding to a time domain unit of a target type to a single valid candidate code point of a target field in DCI used to indicate the transmission parameters. The target field is, for example, a TCI field; and the first information is determined according to the second configuration information and the first MAC CE. Based on the single valid candidate code point, the transmission parameters indicated by the network side for the time domain unit of the target type can be determined, such as a single set of DL / joint transmission parameters, and / or a single set of UL transmission parameters.

[0093] In an optional implementation, the second configuration information can be used to configure at least one set of transmission parameters for each type of time domain unit in a plurality of types of time domain units related to SBFD, and then the first MAC CE is used to map a set of transmission parameters corresponding to each type of time domain unit in part or all types of time domain units in the plurality of types of time domain units to a single valid candidate code point of a target field in DCI.

[0094] Optionally, after receiving the first MAC CE, that is, after correctly receiving the first MAC CE, the terminal can start applying the transmission parameters mapped by the single valid candidate code point, such as the mapped single set of DL / joint transmission parameters, and / or the single set of UL transmission parameters, to the time domain unit of the target type from the first time. The first time can be specified by a protocol or configured by high-layer signaling. For example, when specified by a protocol, the first time can be the first slot after a preset time (such as 3 ms) from the end of the slot in which the terminal receives the uplink transmission (such as PUCCH / PUSCH transmission) of the corresponding acknowledgement (ACK) information of the PDSCH carrying the mapping MAC CE.

[0095] Transmission parameter indication mode 2-2:

[0096] In this mode 2-2, the network side maps multiple valid candidate code points for the time domain unit of the target type. After correctly receiving the mapping MAC CE, the terminal can start considering the multiple valid candidate code points to be effective from the first time (as described above). After the multiple valid candidate code points are effective, the network side can further use the DCI carrying the target field to indicate to the terminal a single set of DL / joint transmission parameters and / or a single set of UL transmission parameters mapped by a candidate code point corresponding to a target code point (assuming it can be called a “target code point”) indicated by the target field in the DCI for the time domain unit of the target type.

[0097] The transmission parameter indication mode 2 is mainly applied to the transmission parameter of the target type of time domain unit. The transmission parameter involves multiple possible configuration cases, and the scene may need to be dynamically changed. At this time, the network side can semi-statically configure multiple sets of candidate transmission parameters for the target type of time domain unit, and use MAC CE mapping and DCI indication and other operations to dynamically select the transmission parameter configuration matched with the current context, thereby improving the transmission performance.

[0098] The transmission parameter indication mode 2-1 only uses MAC CE mapping, which can avoid further relying on DCI indication to select the transmission parameter configuration, save the DCI indication overhead, and avoid the operation complexity involved in the DCI indication.

[0099] The transmission parameter indication mode 2-2 can realize the most dynamic transmission parameter configuration selection based on the DCI indication, thereby ensuring that the actual application of the transmission parameter configuration matches the channel and interference situation to obtain the optimal transmission performance.

[0100] Optionally, the above receiving the first information can include:

[0101] The terminal receives third configuration information, and the third configuration information is used for configuring at least one set of transmission parameters for the target type of time domain unit; for example, the terminal can receive the second configuration information from the network side device;

[0102] The terminal receives a second MAC CE, and the second MAC CE is used for mapping multiple sets of transmission parameters corresponding to the target type of time domain unit to multiple valid candidate code points of a target field in a DCI used for indicating the transmission parameter; the target field is, for example, a TCI field;

[0103] The terminal receives a first DCI, and the first DCI is used for indicating the transmission parameter applied to the target type of time domain unit by the target code point mapping, and the target code point is a valid candidate code point in the multiple valid candidate code points corresponding to the code point indicated by the target field in the first DCI; the first information is determined according to the third configuration information, the second MAC CE and the first DCI. In this way, based on the indication of the first DCI, the transmission parameter indicated by the network side for the target type of time domain unit can be determined, such as a single set of DL / joint transmission parameter, and / or a single set of UL transmission parameter.

[0104] Optionally, after receiving the first DCI, i.e., after correctly receiving the first DCI, the terminal can start from the second time and apply the transmission parameters mapped by the target codepoint, such as the mapped single set of DL / joint transmission parameters and / or single set of UL transmission parameters, for the target type of time domain units. The second time can be specified by the protocol or configured by the higher layer signaling. For example, when specified by the protocol, it can be the first slot after the transmission parameter validity time (such as beamAppTime) from the end time of the DCI corresponding Hybrid Automatic Repeat Request Acknowledgement (HARQ-ACK) transmission (such as PUCCH / PUSCH transmission). The transmission parameter validity time can be reported by the terminal to the network side, or specified by the protocol or configured by the higher layer signaling.

[0105] Optionally, for the above transmission parameter indication mode 2, the network side uses MAC CE (such as the first MAC CE or the second MAC CE) to map the transmission parameters corresponding to the candidate codepoints of the target domain, and the mapping mode can include any of the following:

[0106] MAC CE mapping mode 1: Each MAC CE only maps the transmission parameters corresponding to the candidate codepoints in the target domain (such as TCI domain) for one type of time domain unit; at this time, the corresponding time domain unit type can be indicated in the MAC CE; this MAC CE mapping mode 1 is relatively simple, and a single MAC CE only concerns the indication information of one type of time domain unit;

[0107] MAC CE mapping mode 2: Each MAC CE simultaneously maps the transmission parameters corresponding to the candidate codepoints in the target domain for multiple types of time domain units or all types of time domain units in the time domain unit for which the corresponding transmission parameters need to be indicated. At this time, in the MAC CE, for a certain candidate codepoint, and for each type of time domain unit in the multiple types of time domain units or all types of time domain units, the corresponding transmission parameters are respectively indicated. Optionally, in the MAC CE, for a certain candidate codepoint, the unified transmission parameters corresponding to the candidate codepoint are indicated to be simultaneously applied to each type of time domain unit in the multiple types of time domain units or all types of time domain units. Considering that a single MAC CE only concerns the indication information of one type of time domain unit, which may cause a large signaling overhead, the MAC CE mapping mode 2 is introduced in this scheme, which can simultaneously concern the indication information of multiple types of time domain units, thereby saving the signaling overhead.

[0108] Optionally, for the above transmission parameter indication mode 2-2, when using the DCI (such as the first DCI) to indicate the application of the transmission parameters corresponding to the target codepoint, the indication mode used by the network side can include any of the following:

[0109] DCI indication mode 1: each DCI indicates the transmission parameters corresponding to the target codepoint only for one type of time domain unit; at this time, the corresponding time domain unit type can be indicated in the DCI; for example, DCI indication mode 1 can be used in cooperation with MAC CE mapping mode 1; this DCI indication mode 1 is relatively simple in design, and a single DCI only pays attention to the indication information of one type of time domain unit;

[0110] DCI indication mode 2: each DCI indicates the transmission parameters corresponding to the target codepoint for multiple types of time domain units or all types of time domain units in the time domain unit for which the corresponding transmission parameters need to be indicated; considering that a single DCI only pays attention to the indication information of one type of time domain unit, which may cause a large signaling overhead, DCI indication mode 2 is introduced in this scheme, which can pay attention to the indication information of multiple types of time domain units at the same time, thereby saving signaling overhead.

[0111] For example, DCI indication mode 2 can be used in cooperation with MAC CE mapping mode 1 or MAC CE mapping mode 2. When DCI indication mode 2 is used in cooperation with MAC CE mapping mode 1, for all types of time domain units involved in the time domain unit for which the corresponding transmission parameters need to be indicated, or a subset of time domain unit types (which can be specified by a protocol or configured by high-layer signaling, or the subset of time domain unit types is indicated in the DCI), when the valid candidate codepoint corresponding to any time domain unit type in the subset contains the target codepoint indicated by the DCI, the terminal applies the transmission parameters corresponding to the target codepoint to the time domain unit corresponding to the any time domain unit type. When DCI indication mode 2 is used in cooperation with MAC CE mapping mode 2, the terminal applies the transmission parameters corresponding to the target codepoint indicated by the MAC CE to each type of time domain unit involved in the target codepoint.

[0112] Optionally, for a first type of time domain unit in the time domain unit type related to SBFD, which does not have configured and / or indicated transmission parameters, the first type of time domain unit can include one or more types of time domain units, and the method in the embodiment of the application further includes at least one of the following:

[0113] (1) the terminal does not perform target transmission in the first type of time domain unit;

[0114] (2) the terminal applies default transmission parameters and performs target transmission in the first type of time domain unit; the default transmission parameters can be specified by a protocol or configured by high-layer signaling;

[0115] (3) The terminal applies the high-layer configured parameters based on the downlink TCI state and / or uplink spatial relation info framework to perform target transmission within the first type of time domain unit.

[0116] Exemplarily, consider two types of symbols (i.e., two symbol types of symbols): SBFD symbol and non-SBFD symbol. In a Single TRP scenario, when adopting a joint mode, the network side can indicate a set of corresponding joint transmission parameters for SBFD symbols, and / or indicate another set of corresponding joint transmission parameters for non-SBFD symbols; when adopting a separate mode, the network side can indicate a set of corresponding DL transmission parameters and a set of corresponding UL transmission parameters for SBFD symbols, and / or indicate another set of corresponding DL transmission parameters and another set of corresponding UL transmission parameters for non-SBFD symbols.

[0117] In the case of adopting transmission parameter indication mode 1, when adopting a joint mode, the network side can configure a set of corresponding joint transmission parameters for SBFD symbols (or non-SBFD symbols); when adopting a separate mode, the network side can configure a set of corresponding DL transmission parameters and a set of corresponding UL transmission parameters for SBFD symbols (or non-SBFD symbols). Correspondingly, the terminal directly applies this set of configured joint transmission parameters for SBFD symbols (or non-SBFD symbols), or directly applies this set of configured DL transmission parameters and this set of configured UL transmission parameters for downlink and uplink, respectively.

[0118] In the case of transmission parameter indication mode 2, when the joint mode is adopted, the network side can configure multiple sets of corresponding joint transmission parameters for SBFD symbols (or non-SBFD symbols); when the separate mode is adopted, the network side can configure multiple sets of corresponding DL transmission parameters and multiple sets of corresponding UL transmission parameters for SBFD symbols (or non-SBFD symbols). Assuming that the TCI field in the downlink DCI (such as DCI format 1_1 or DCI format 1_2) is used to indicate which set of the multiple sets of transmission parameters configured by the terminal is actually applied, the TCI field can occupy 3 bits, the network side can send a MAC CE to the terminal, and in the MAC CE, it is indicated whether each codepoint (a total of 8 codepoints) of the TCI field actually maps the DL / UL / joint transmission parameters corresponding to the SBFD symbol (or non-SBFD symbol), and when actually mapping, which set of DL / UL / joint transmission parameters is actually mapped (here it is assumed that MAC CE mapping mode 2 is adopted).

[0119] When transmission parameter indication mode 2-1 is adopted, the network side can only map a single valid candidate codepoint for SBFD symbols (or non-SBFD symbols). After receiving the mapping MAC CE, the terminal can start from the first time and apply the DL / UL / joint transmission parameters mapped in this single valid candidate codepoint for SBFD symbols (or non-SBFD symbols).

[0120] When transmission parameter indication mode 2-2 is adopted, the network side can map multiple valid candidate codepoints for SBFD symbols (or non-SBFD symbols). After receiving the mapping MAC CE, the terminal starts from the first time and considers that the multiple valid candidate codepoints start to take effect. After the multiple valid candidate codepoints take effect, the network side uses the TCI field in the DCI to indicate that the DL / UL / joint transmission parameters mapped in the target codepoint are applied for SBFD symbols (or non-SBFD symbols) (here it is assumed that DCI indication mode 2 is adopted). After receiving the DCI, the terminal starts from the second time and applies the DL / UL / joint transmission parameters mapped in the target codepoint.

[0121] In the embodiments of the present application, in the Multiple TRP scenario, that is, each set of DL / joint transmission parameters and / or each set of UL transmission parameters corresponds to one TRP, the network side can use different indication methods to indicate a set of corresponding DL / joint transmission parameters and / or a set of corresponding UL transmission parameters for the target type of time domain unit and the target TRP. The specific indication methods are described as follows.

[0122] Transmission parameter indication method 3:

[0123] In this method 3, the network side configures a set of corresponding DL / joint transmission parameters and / or a set of corresponding UL transmission parameters for the target type of time domain unit and the target TRP.

[0124] Optionally, the above receiving the first information can include that the terminal receives the first information through fourth configuration information, that is, only high layer signaling such as RRC signaling is used to configure the transmission, and the fourth configuration information is used to configure a set of transmission parameters for the target type of time domain unit and the target TRP. For example, when the separate mode is used, a set of uplink transmission parameters and a set of downlink transmission parameters can be configured for the target type of time domain unit and the target TRP; and when the joint mode is used, a set of joint transmission parameters can be configured for the target type of time domain unit and the target TRP.

[0125] Optionally, after receiving the fourth configuration information, the terminal applies a set of transmission parameters configured for the target type of time domain unit and the target TRP, that is, directly applies a set of configured transmission parameters.

[0126] Transmission parameter indication method 3 is mainly applied to the scenario that the transmission parameters applied by the target type of time domain unit and the target TRP are relatively certain and do not need to be dynamically changed. At this time, the network side can semi-statically configure a set of directly applied transmission parameters for the target type of time domain unit and the target TRP, which can reduce the configuration signaling overhead and avoid the complexity involved in subsequent operations such as MAC CE mapping and DCI indication.

[0127] Transmission parameter indication method 4:

[0128] In this manner 4, the network side configures at least one set of corresponding DL / joint transmission parameters and / or at least one set of corresponding UL transmission parameters for the target type of time domain unit and the target TRP. Further, the network side can use a MAC CE to map 0 or 1 set of DL / joint transmission parameters and / or 0 or 1 set of UL transmission parameters corresponding to the target type of time domain unit and the target TRP to a certain candidate code point of a target field (such as a TCI field) in a DCI, and the DCI is used to dynamically indicate the DL / joint transmission parameters and / or UL transmission parameters applied to the target type of time domain unit and the target TRP. Here, the number of candidate code points is related to the number of bits occupied by the target field, for example, when the target field occupies 3 bits, there are 8 candidate code points. Among them, when 1 set of DL / joint transmission parameters and / or 1 set of UL transmission parameters are mapped to a certain candidate code point for the target type of time domain unit and the target TRP, the candidate code point is considered valid. Based on the number of valid candidate code points mapped by the network side for the target type of time domain unit and the target TRP, the following manners can be further distinguished:

[0129] Transmission parameter indication manner 4-1:

[0130] In this manner 4-1, the network side only maps a single valid candidate code point for the target type of time domain unit and the target TRP.

[0131] Optionally, the above receiving the first information can include:

[0132] The terminal receives fifth configuration information, and the fifth configuration information is used to configure at least one set of transmission parameters for the target type of time domain unit and the target TRP.

[0133] The terminal receives a third MAC CE, and the third MAC CE is used to map a set of transmission parameters corresponding to the target type of time domain unit and the target TRP to a single valid candidate code point of a target field in a DCI used to indicate transmission parameters. The target field is, for example, a TCI field; and the first information is determined according to the fifth configuration information and the third MAC CE. In this way, based on the single valid candidate code point, the transmission parameters indicated by the network side for the target type of time domain unit and the target TRP can be determined, such as a single set of DL / joint transmission parameters and / or a single set of UL transmission parameters.

[0134] In an optional implementation, the second configuration information can be used to respectively configure at least one set of transmission parameters for each type of time domain unit related to SBFD and each TRP in the plurality of TRPs, and then use the first MAC CE to map each set of transmission parameters corresponding to each type of time domain unit in part or all types of time domain units in the plurality of types of time domain units and each TRP in part of the plurality of TRPs or all TRPs to a single valid candidate code point of the target field in the DCI.

[0135] Optionally, after receiving the third MAC CE, i.e., after correctly receiving the third MAC CE, the terminal can start from the third time and apply the transmission parameters mapped by the single valid candidate code point, such as the mapped single set of DL / joint transmission parameters and / or the single set of UL transmission parameters, for the target type of time domain unit and the target TRP. The third time can be specified by a protocol or configured by high layer signaling. For example, when specified by a protocol, the first time slot after a preset time (such as 3 ms) from the end time of the time slot in which the uplink transmission (such as PUCCH / PUSCH transmission) carrying the ACK information of the PDSCH receiving the mapping MAC CE can be taken.

[0136] Transmission parameter indication mode 4-2:

[0137] In this mode 4-2, the network side maps multiple valid candidate code points for the target type of time domain unit and the target TRP. At this time, the terminal can start from the third time to consider that the multiple valid candidate code points start to take effect after correctly receiving the mapping MAC CE. After the multiple valid candidate code points take effect, the network side can further use the DCI carrying the target field to indicate the terminal to apply the single set of DL / joint transmission parameters and / or the single set of UL transmission parameters mapped by the candidate code point corresponding to the code point indicated by the target field in the DCI (which can be referred to as the "target code point") for the target type of time domain unit and the target TRP.

[0138] Transmission parameter indication mode 4 is mainly applied to the scenario where the transmission parameters applied by the target type of time domain unit and the target TRP involve multiple possible configurations and may need to be dynamically changed. At this time, the network side can semi-statically configure multiple sets of candidate transmission parameters for the target type of time domain unit and the target TRP, and use MAC CE mapping and DCI indication to dynamically select the transmission parameter configuration matching the current context, thereby improving the transmission performance.

[0139] Transmission parameter indication mode 4-1 only uses MAC CE mapping, which can avoid further relying on DCI indication to select the transmission parameter configuration, save the DCI indication overhead, and avoid the operation complexity involved in the DCI indication.

[0140] The transmission parameter indication mode 4-2 can achieve the most dynamic transmission parameter configuration selection based on DCI indication, so as to ensure that the actual application of the transmission parameter configuration matches the channel and interference situation, and to obtain the optimal transmission performance.

[0141] Optionally, the receiving the first information can include:

[0142] The terminal receives sixth configuration information, the sixth configuration information being used for configuring at least one set of transmission parameters for the time domain unit of the target type and the target TRP;

[0143] The terminal receives a fourth MAC CE, the fourth MAC CE being used for mapping a plurality of sets of transmission parameters corresponding to the time domain unit of the target type and the target TRP to a plurality of valid candidate code points of a target field in the DCI used for indicating the transmission parameters; the target field is, for example, a TCI field;

[0144] The terminal receives a second DCI, the second DCI being used for indicating the transmission parameters mapped by the target code point for the time domain unit of the target type and the target TRP, the target code point being a valid candidate code point in the plurality of valid candidate code points corresponding to the code point indicated by the target field in the second DCI; the first information is determined according to the sixth configuration information, the fourth MAC CE, and the second DCI. In this way, based on the indication of the second DCI, the transmission parameters indicated by the network side for the time domain unit of the target type and the target TRP can be determined, such as a single set of DL / joint transmission parameters, and / or a single set of UL transmission parameters.

[0145] Optionally, after receiving the second DCI, that is, after correctly receiving the second DCI, the terminal can start applying the transmission parameters mapped by the target code point, such as the mapped single set of DL / joint transmission parameters, and / or the single set of UL transmission parameters, for the time domain unit of the target type and the target TRP from the fourth time. The fourth time can be specified by a protocol or configured by high-layer signaling. For example, when specified by a protocol, it can be the first time slot after the end time of the DCI corresponding Hybrid automatic repeat request acknowledgement (HARQ-ACK) transmission (such as PUCCH / PUSCH transmission) and the interval of the transmission parameter validity time (such as beamAppTime). The transmission parameter validity time can be reported by the terminal to the network side, or specified by a protocol or configured by high-layer signaling.

[0146] Optionally, for the transmission parameter indication mode 4, the mapping mode used by the network side when mapping the transmission parameters corresponding to the candidate code points of the target field by using the MAC CE (such as the third MAC CE or the fourth MAC CE) can include any of the following:

[0147] MAC CE mapping mode 3: each MAC CE maps the transmission parameters corresponding to a candidate codepoint in the target domain for one type of time domain unit and one TRP; at this time, the corresponding time domain unit type and TRP can be indicated in the MAC CE; MAC CE mapping mode 3 is relatively simple in design, and a single MAC CE only pays attention to the indication information of one type of time domain unit and one TRP;

[0148] MAC CE mapping mode 4: each MAC CE maps the transmission parameters corresponding to a candidate codepoint in the target domain for one type of time domain unit and multiple TRPs, or for one type of time domain unit and all TRPs; at this time, the corresponding time domain unit type can be indicated in the MAC CE; for this type of time domain unit and a certain candidate codepoint, and for each of the multiple TRPs or all TRPs, the corresponding transmission parameters are respectively indicated;

[0149] MAC CE mapping mode 5: each MAC CE maps the transmission parameters corresponding to a candidate codepoint in the target domain for one TRP and multiple types of time domain units, or for one TRP and all types of time domain units; at this time, the corresponding TRP can be indicated in the MAC CE; for this TRP and a certain candidate codepoint, and for each type of time domain unit of the multiple types of time domain units or all types of time domain units, the corresponding transmission parameters are respectively indicated; optionally, in the MAC CE, for this TRP and a certain candidate codepoint, the unified transmission parameters corresponding to this TRP and this candidate codepoint are indicated to be applied to each type of time domain unit of the multiple types of time domain units or all types of time domain units at the same time;

[0150] MAC CE mapping mode 6: each MAC CE simultaneously maps the transmission parameters corresponding to the candidate codepoints in the target domain for multiple types of time domain units or all types of time domain units in the time domain units for which the corresponding transmission parameters need to be indicated, and for multiple TRPs or all TRPs in the TRPs for which the corresponding transmission parameters need to be indicated. At this time, in the MAC CE, for a certain candidate codepoint, and for each combination of time domain unit types and TRP groups determined based on the multiple types of time domain units or all types of time domain units, and the multiple TRPs or all TRPs, the corresponding transmission parameters are respectively indicated. Optionally, for this candidate codepoint, the corresponding transmission parameters can be indicated only for part of the time domain unit types and TRP combinations; for the time domain unit types and TRP combinations for which the corresponding transmission parameters are not indicated, refer to the corresponding description later. Optionally, in the MAC CE, for each TRP in the multiple TRPs or all TRPs for which the corresponding transmission parameters need to be indicated and a certain candidate codepoint, a unified transmission parameter corresponding to the TRP and the candidate codepoint is indicated to be applied simultaneously to each type of time domain unit in the multiple types of time domain units or all types of time domain units for which the corresponding transmission parameters need to be indicated.

[0151] Considering that a single MAC CE only focuses on the indication information of one type of time domain unit and one TRP, the signaling overhead can be large. In this scheme, MAC CE mapping modes 4-6 are introduced, which can simultaneously focus on the indication information of multiple types of time domain units and / or multiple TRPs, thereby saving signaling overhead.

[0152] Optionally, for the transmission parameter indication mode 4-2, the network side can use at least one of the following indication modes when using the DCI (such as the second DCI) to indicate the application of the transmission parameters corresponding to the target codepoints:

[0153] DCI indication mode 3: each DCI indicates the application of the transmission parameters corresponding to the target codepoints only for one type of time domain unit and one TRP; at this time, the corresponding time domain unit type and TRP can be indicated in the DCI; for example, the DCI indication mode 3 can be used in cooperation with the MAC CE mapping mode 3; the design of this DCI indication mode 3 is relatively simple, and a single DCI only focuses on the indication information of one type of time domain unit and one TRP;

[0154] DCI indication mode 4: each DCI indicates the application of the transmission parameters corresponding to the target codepoints for one type of time domain unit and multiple TRPs, or for one type of time domain unit and all TRPs; at this time, the corresponding time domain unit type can be indicated in the DCI; for example, the DCI indication mode 4 can be used in cooperation with the MAC CE mapping mode 4;

[0155] DCI indication mode 5: each DCI indicates the transmission parameters corresponding to the target codepoint for one TRP and multiple types of time domain units; or, each DCI indicates the transmission parameters corresponding to the target codepoint for one TRP and all types of time domain units; in this case, the corresponding TRP can be indicated in the DCI; for example, DCI indication mode 5 can be used in cooperation with MAC CE mapping mode 5;

[0156] DCI indication mode 6: each DCI indicates the transmission parameters corresponding to the target codepoint for multiple types of time domain units or all types of time domain units in the time domain units for which the corresponding transmission parameters need to be indicated, and for multiple TRPs or all TRPs in the TRPs for which the corresponding transmission parameters need to be indicated.

[0157] For example, DCI indication mode 6 can be used in cooperation with MAC CE mapping mode 3 or 6. When used in cooperation with MAC CE mapping mode 3, for all types of time domain units or a subset of time domain unit types (which can be specified by the protocol or configured by high-layer signaling, or the subset of time domain unit types is indicated in the DCI) involved in the time domain units for which the corresponding transmission parameters need to be indicated, and for all TRPs or a subset of TRPs (which can be specified by the protocol or configured by high-layer signaling, or the subset of TRPs is indicated in the DCI) in the TRPs for which the corresponding transmission parameters need to be indicated, when the valid candidate codepoint corresponding to any time domain unit type and TRP combination formed by these time domain unit types and TRPs contains the target codepoint indicated by the DCI, the terminal applies the transmission parameters corresponding to the target codepoint for the time domain unit type and TRP combination. When used in cooperation with MAC CE mapping mode 6, the terminal applies the transmission parameters corresponding to the target codepoint indicated by the MAC CE for each time domain unit type and TRP combination involved in the target codepoint.

[0158] In view of the fact that a single DCI only pays attention to the indication information of one type of time domain unit and one TRP, the DCI indication modes 4-6 are introduced in the present solution, which can simultaneously pay attention to the indication information of multiple types of time domain units and / or multiple TRPs, thereby saving signaling overhead. Optionally, for the second type of time domain unit in the time domain unit type related to SBFD, which does not configure and / or indicate the transmission parameters, the second type of time domain unit can include one or more types of time domain units, and the first TRP which does not configure and / or indicate the transmission parameters, the first TRP can include one or more TRPs, the method in the embodiment of the present application further includes at least one of the following:

[0159] (a) the terminal does not perform target transmission for the first TRP in the second type of time domain unit;

[0160] (b) the terminal applies default transmission parameters to perform target transmission for the first TRP in the second type of time domain unit; the default transmission parameters can be specified by a protocol or configured by high layer signaling;

[0161] (c) the terminal applies high layer configuration parameters based on downlink TCI state and / or spatial relation info framework to perform target transmission for the first TRP in the second type of time domain unit.

[0162] Exemplarily, consider two types of symbols (i.e., two symbol types of symbols): SBFD symbol and non-SBFD symbol, and two TRPs: TRP 0 and TRP 1. In the Multiple TRP scenario, when adopting joint mode, the network side can indicate a set of corresponding joint transmission parameters for each TRP of the SBFD symbol, and / or a set of corresponding joint transmission parameters for each TRP of the non-SBFD symbol; when adopting separate mode, the network side can indicate a set of corresponding DL transmission parameters and a set of corresponding UL transmission parameters for each TRP of the SBFD symbol, and / or a set of corresponding DL transmission parameters and a set of corresponding UL transmission parameters for each TRP of the non-SBFD symbol.

[0163] In the case of adopting transmission parameter indication mode 3, when adopting joint mode, the network side can configure a set of corresponding joint transmission parameters for TRP 0 and TRP 1 of the SBFD symbol (or the non-SBFD symbol); accordingly, the terminal directly applies this set of configured joint transmission parameters for TRP 0 (or TRP 1) of the SBFD symbol (or the non-SBFD symbol). When adopting separate mode, the network side can configure two sets of corresponding transmission parameters (including a set of DL transmission parameters and a set of UL transmission parameters) for TRP 0 and TRP 1 of the SBFD symbol (or the non-SBFD symbol); accordingly, the terminal directly applies this set of configured DL transmission parameters and this set of configured UL transmission parameters for the downlink and the uplink of TRP 0 (or TRP 1), respectively.

[0164] In the case of transmission parameter indication mode 4, when the joint mode is adopted, the network side can configure multiple sets of corresponding joint transmission parameters for TRP 0 and TRP 1 of the SBFD symbol (or non-SBFD symbol) respectively; when the separate mode is adopted, the network side can configure multiple sets of corresponding DL / UL transmission parameters for TRP 0 and TRP 1 of the SBFD symbol (or non-SBFD symbol) respectively. Assuming that the TCI field in the downlink DCI (such as DCI format 1_1 or DCI format 1_2) is used to indicate which set of transmission parameters in the multiple sets of configured transmission parameters is actually applied by the terminal, the TCI field can occupy 3 bits, then:

[0165] ① When the multi-TRP operation based on Multi-DCI is adopted, the network side can send a MAC CE for TRP 0 (or TRP 1) to the terminal, indicating in the MAC CE whether each codepoint (a total of 8 codepoints) of the TCI field actually maps the DL / UL / joint transmission parameters corresponding to the SBFD symbol (or non-SBFD symbol), and when actually mapping, which set of DL / UL / joint transmission parameters is actually mapped (here it is assumed that the MAC CE mapping mode 5 is adopted; the MAC CE for TRP 0 (or TRP 1) can only map the DL / UL / joint transmission parameters corresponding to TRP 0 (or TRP 1)). For TRP 0 and TRP 1, it can be independently determined whether transmission parameter indication mode 4-1 or transmission parameter indication mode 4-2 is adopted:

[0166] - When transmission parameter indication mode 4-1 is adopted, for TRP 0 (or TRP 1), the network side can only map a single valid candidate codepoint for the SBFD symbol (or non-SBFD symbol). After receiving the mapping MAC CE corresponding to TRP 0 (or TRP 1), the terminal starts from the third time, for TRP 0 (or TRP 1) and the SBFD symbol (or non-SBFD symbol), applies the DL / UL / joint transmission parameters mapped for this valid candidate codepoint.

[0167] - When transmission parameter indication method 4-2 is adopted, the network side can map multiple valid candidate codepoints for SBFD symbol (or non-SBFD symbol) for TRP 0 (or TRP 1); after the terminal receives the mapping MAC CE corresponding to TRP 0 (or TRP 1), it considers that the multiple valid candidate codepoints corresponding to TRP 0 (or TRP 1) start to take effect from the third time; after the multiple valid candidate codepoints corresponding to TRP 0 (or TRP 1) take effect, the network side uses the TCI field in the DCI corresponding to TRP 0 (or TRP 1) to indicate that the target codepoint mapped DL / UL / joint transmission parameters are applied to TRP 0 (or TRP 1) and SBFD symbol (or non-SBFD symbol) (here it is assumed that DCI indication method 5 is adopted). After the terminal receives the DCI corresponding to TRP 0 (or TRP 1), it applies the DL / UL / joint transmission parameters mapped for the target codepoint to TRP 0 (or TRP 1) from the fourth time.

[0168] When the Single-DCI-based multi-TRP operation is adopted, the network side can send a MAC CE to the terminal, indicating in the MAC CE whether each codepoint (a total of 8 codepoints) of the TCI field actually maps the SBFD symbol (or non-SBFD symbol) and / or the DL / UL / joint transmission parameters corresponding to TRP 0 (or TRP 1), and when actually mapping, which set of DL / UL / joint transmission parameters is actually mapped (here it is assumed that the MAC CE mapping method 6 is adopted).

[0169] - When transmission parameter indication method 4-1 is adopted, the network side can only map a single valid candidate codepoint for SBFD symbol (or non-SBFD symbol) and TRP 0 (or TRP 1). After the terminal receives the mapping MAC CE, it applies the DL / UL / joint transmission parameters mapped for this valid candidate codepoint to SBFD symbol (or non-SBFD symbol) and TRP 0 (or TRP 1) from the third time.

[0170] - When the transmission parameter indication mode 4-2 is adopted, the network side can map multiple valid candidate codepoints for SBFD symbols (or non-SBFD symbols) and TRP 0 (or TRP 1). After receiving the mapping MAC CE, the terminal considers that the multiple valid candidate codepoints start to take effect from the third time. After the multiple valid candidate codepoints take effect, the network side uses the TCI field in the DCI to indicate that the DL / UL / joint transmission parameters mapped in the target codepoint are applied to SBFD symbols (or non-SBFD symbols) and TRP 0 (or TRP 1) (here, it is assumed that the DCI indication mode 6 is adopted). After receiving the DCI, the terminal starts to apply the DL / UL / joint transmission parameters mapped in the target codepoint from the fourth time.

[0171] In an optional embodiment, the DL / UL / joint transmission parameters corresponding to a certain Symbol type are applied to the target transmission corresponding to the target transmission type of the target transmission direction in the symbol corresponding to the Symbol type.

[0172] In an optional embodiment, in the Multiple TRP scenario, the DL / UL / joint transmission parameters corresponding to a certain Symbol type and a certain TRP are applied to the target transmission corresponding to the TRP under the target transmission type of the target transmission direction in the symbol corresponding to the Symbol type.

[0173] Optionally, “DL / UL / joint” in the DL / UL / joint transmission parameters of the embodiment can indicate the target transmission direction to which the transmission parameters are applied, specifically:

[0174] DL indicates that the target transmission direction to which the transmission parameters are applied is downlink;

[0175] UL indicates that the target transmission direction to which the transmission parameters are applied is uplink;

[0176] Joint indicates that the target transmission direction to which the transmission parameters are applied includes both downlink and uplink.

[0177] Optionally, any one of the uplink transmission parameters, joint transmission parameters, and downlink transmission parameters described above can include but is not limited to at least one of the following:

[0178] I) spatial information corresponding to the target transmission of the target transmission direction; for example, the spatial information can include a spatial direction corresponding to the target transmission of the target transmission direction, and / or reference signal information using the spatial direction; when including the reference signal information, it can be understood that the target transmission of the target transmission direction uses the same spatial direction as the reference signal; here, the spatial direction can be an analog beam (such as including the direction and width of the analog beam, etc.);

[0179] II) uplink power control parameters; for example, the uplink power control parameters can include P0 and Alpha parameters uniformly applied to the uplink target transmission, or P0 and Alpha parameters respectively applied to each target transmission type of the uplink;

[0180] III) path loss estimation reference signal information; for example, the path loss estimation reference signal can be uniformly indicated for the uplink target transmission, or the path loss estimation reference signal can be respectively indicated for each target transmission type of the uplink, which is used to estimate the path loss used when determining the transmission power of the corresponding uplink target transmission.

[0181] Exemplarily, a single set of DL transmission parameters can be configured by a single TCI-State object, which can include configuration information of reference signals and quasi co-location (QCL) types, etc.

[0182] Exemplarily, a single set of UL transmission parameters can be configured by a single TCI-UL-State object, which can include at least one of the following: configuration information of reference signals; P0 and Alpha configurations respectively applied to PUCCH, PUSCH and SRS; configuration information of reference signals uniformly used for path loss estimation of PUCCH, PUSCH and SRS, etc.

[0183] Exemplarily, a single set of joint transmission parameters can be configured by a single TCI-State object, which can include at least one of the following: configuration information of reference signals and QCL types; P0 and Alpha configurations respectively applied to PUCCH, PUSCH and SRS; configuration information of reference signals uniformly used for path loss estimation of PUCCH, PUSCH and SRS, etc.

[0184] Optionally, the target transmission can include any transmission corresponding to the target transmission type of the target transmission direction, or the target transmission can include at least one of cell common transmission, terminal group common transmission and terminal dedicated transmission corresponding to the target transmission type of the target transmission direction.

[0185] Optionally, in the case where the target transmission direction is uplink, the target transmission type can include at least one of PUCCH, PUSCH and SRS.

[0186] Optionally, in case that the target transmission direction is downlink, the target transmission type can comprise at least one of PDCCH, PDSCH and CSI-RS.

[0187] Optionally, the downlink cell common transmission can comprise at least one of:

[0188] 1) PDCCH reception satisfying at least one of: detected in Type0 / 0A / 1 / 2 CSS set; carrying DCI scrambled by System Information Radio Network Temporary Identifier (SI-RNTI) / Random Access RNTI (RA-RNTI) / Temporary Cell RNTI (TC-RNTI) / Paging RNTI (P-RNTI).

[0189] 2) PDSCH transmission scheduled by PDCCH reception satisfying at least one of: detected in Type0 / 0A / 1 / 2 CSS set; carrying DCI scrambled by SI-RNTI / RA-RNTI / TC-RNTI / P-RNTI.

[0190] Optionally, the downlink UE group common transmission can comprise:

[0191] PDCCH reception satisfying at least one of: detected in Type3 Common Search Space (CSS) set; carrying DCI scrambled by Interruption RNTI (INT-RNTI) / Slot Format Indication RNTI (SFI-RNTI) / Transmit Power Control (TPC)-PUSCH-RNTI / TPC-PUCCH-RNTI / TPC-SRS-RNTI.

[0192] Optionally, the downlink UE dedicated transmission can comprise at least one of:

[0193] 1) PDCCH reception satisfying at least one of the following: detected in Type3 CSS set / UE-specific search space (USS); carrying DCI scrambled by Cell RNTI (C-RNTI) / Mission Critical Service (MCS)-C-RNTI / Configured Scheduling RNTI (CS-RNTI);

[0194] 2) PDSCH transmission scheduled by PDCCH reception satisfying at least one of the following: detected in Type3 CSS set / USS; carrying DCI scrambled by C-RNTI / MCS-C-RNTI / CS-RNTI;

[0195] 3) Semi-Persistent Scheduling (SPS) PDSCH transmission;

[0196] 4) CSI-RS transmission.

[0197] Optionally, the terminal-specific transmission in uplink can include at least one of the following:

[0198] 1) PUCCH transmission;

[0199] 2) PUSCH transmission, such as DG / CG PUSCH transmission including scheduling grant;

[0200] 3) SRS transmission.

[0201] Optionally, whether to apply the DL / UL / joint transmission parameters corresponding to the target type of time domain unit for at least one of the following can be specified by the protocol or configured by the high layer signaling: target transmission, each target transmission type, cell-common transmission corresponding to each target transmission type, terminal-group-common transmission corresponding to each target transmission type, and terminal-specific transmission corresponding to each target transmission type.

[0202] Please refer to FIG. 3, which is a flow chart of a parameter configuration method provided by an embodiment of the present application, the method being performed by a network-side device, as shown in FIG. 3, the method includes the following steps:

[0203] Step 31: The network-side device sends first information to the terminal; the first information is used for configuring and / or indicating a set of transmission parameters for the time domain unit of the target type, or the first information is used for configuring and / or indicating a set of transmission parameters for the time domain unit of the target type and the target TRP.

[0204] In an embodiment of the present application, the transmission parameter can include at least one of: an uplink (UL) transmission parameter, a joint transmission parameter, and a downlink (DL) transmission parameter.

[0205] The target type of time domain unit is any or each type of time domain unit in a type of time domain unit related to SBFD. The type of time domain unit related to SBFD can be all or part of the types of time domain units. Optionally, the network side indicates the corresponding transmission parameter only for the time domain units of part of the determined types of time domain units. The time domain unit can be a frame, a subframe, a slot, a sub-slot, a symbol, etc.

[0206] The target TRP is any or each TRP involved in data transmission and reception between the terminal and the network side device (which can be all or part of the TRPs involved in data transmission and reception between the terminal and the network side device).

[0207] For example, when the separate mode is adopted, in a single-TRP scenario, a set of transmission parameters configured and / or indicated for the target type of time domain unit can include a single set of UL transmission parameters and a single set of DL transmission parameters; in a multi-TRP scenario, a set of transmission parameters configured and / or indicated for the target type of time domain unit and the target TRP can include a single set of UL transmission parameters and a single set of DL transmission parameters.

[0208] For another example, when the joint mode is adopted, in a single-TRP scenario, a set of transmission parameters configured and / or indicated for the target type of time domain unit can include a single set of joint transmission parameters; in a multi-TRP scenario, a set of transmission parameters configured and / or indicated for the target type of time domain unit and the target TRP can include a single set of joint transmission parameters. In this way, the benefits of reducing signaling overhead and shortening indication delay of the Unified TCI state framework can be obtained.

[0209] In an optional embodiment, in order to match the settings of different types of time domain units corresponding to antennas / frequency ranges, etc., and different interference conditions, the network side can indicate at least one set of corresponding DL / joint transmission parameters and / or at least one set of corresponding UL transmission parameters for each type of time domain unit.

[0210] By the scheme of the embodiments of the present application, the types of time domain units can be distinguished to configure and / or indicate the applied DL / UL / joint transmission parameters, the typical deployment scenarios of Single TRP, Multiple TRP and other MIMO transmission can be supported, so as to ensure that the transmission parameters applied by various types of time domain units match or are compatible with the antenna or radio frequency settings of this type of time domain unit, and the optimal transmission parameters of various types of time domain units match the channel quality, interference type and strength in this type of time domain unit, so as to ensure the interference control capability and transmission performance such as throughput and latency when SBFD characteristics are deployed. In addition, the transmission parameters applied by multiple transmissions or multiple types of transmissions can be uniformly and dynamically indicated, so as to reduce the signaling overhead and shorten the indication delay.

[0211] In the embodiments of the present application, the time domain unit can include at least one of the following:

[0212] The time domain unit applying SBFD; the time domain unit applying SBFD can be a time domain unit of one duplex mode, or the time domain unit applying SBFD can include time domain units of multiple duplex modes;

[0213] The time domain unit not applying SBFD.

[0214] In the Single TRP scenario, that is, each set of DL / joint transmission parameters and / or each set of UL transmission parameters corresponds to one TRP, the network side can use different indication methods to indicate a set of corresponding DL / joint transmission parameters and / or a set of corresponding UL transmission parameters for the target type of time domain unit (such as SBFD symbol or non-SBFD symbol), as follows.

[0215] Transmission parameter indication method 1:

[0216] In this method 1, the network side configures a set of corresponding DL / joint transmission parameters and / or a set of corresponding UL transmission parameters for the target type of time domain unit. It can also be understood that these transmission parameters are applied to the time domain unit corresponding to the target type.

[0217] Optionally, the above sending the first information to the terminal can include: the network side device sends the first information to the terminal through the first configuration information, that is, only high layer signaling such as RRC signaling is used to configure the transmission, and the first configuration information is used to configure a set of transmission parameters for the target type of time domain unit. For example, when the separate mode is used, a set of uplink transmission parameters and a set of downlink transmission parameters can be configured for the target type of time domain unit; and when the joint mode is used, a set of joint transmission parameters can be configured for the target type of time domain unit.

[0218] The transmission parameter indication mode 1 is mainly applied to a scenario where the transmission parameters applied to the target type of time domain unit are relatively certain and do not need to be dynamically changed. At this time, the network side can semi-statically configure a set of directly applied transmission parameters for the target type of time domain unit, which can reduce the configuration signaling overhead and avoid the complexity involved in subsequent operations such as MAC CE mapping and DCI indication.

[0219] At this time, the terminal applies a set of transmission parameters configured for the target type of time domain unit to the target type of time domain unit, that is, directly applies a set of configured transmission parameters.

[0220] The transmission parameter indication mode 2:

[0221] Under this mode 2, the network side configures at least one set of corresponding DL / joint transmission parameters and / or at least one set of corresponding UL transmission parameters for the target type of time domain unit. Further, the network side can use a MAC CE to map 0 or 1 set of DL / joint transmission parameters and / or 0 or 1 set of UL transmission parameters corresponding to the target type of time domain unit to a certain candidate codepoint of a target field (such as a TCI field) in a DCI, and this DCI is used to dynamically indicate the DL / joint transmission parameters and / or UL transmission parameters applied to the target type of time domain unit. Here, the number of candidate codepoints is related to the number of bits occupied by the target field, for example, when the target field occupies 3 bits, there are 8 candidate codepoints. Among them, when 1 set of DL / joint transmission parameters and / or 1 set of UL transmission parameters are mapped to a certain candidate codepoint for the target type of time domain unit, the candidate codepoint is considered valid. Based on the number of valid candidate codepoints mapped by the network side for the target type of time domain unit, the following modes can be further distinguished:

[0222] The transmission parameter indication mode 2-1:

[0223] Under this mode 2-1, the network side only maps a single valid candidate codepoint for the target type of time domain unit. The above sending of the first information to the terminal can include:

[0224] The network side device sends second configuration information to the terminal, and the second configuration information is used to configure at least one set of transmission parameters for the target type of time domain unit;

[0225] The network side device sends a first MAC CE to the terminal, and the first MAC CE is used to map a set of transmission parameters corresponding to the target type of time domain unit to a single valid candidate codepoint of a target field in a DCI used to indicate transmission parameters; and the first information is determined according to the second configuration information and the first MAC CE.

[0226] Thus, after the terminal correctly receives the first MAC CE, the terminal can start to apply the transmission parameters mapped by the single valid candidate codepoint to the time-domain unit of the target type, such as the mapped single set of DL / joint transmission parameters and / or the single set of UL transmission parameters, from the first time. The first time can be specified by a protocol or configured by high-layer signaling. For example, when specified by a protocol, the first time can be the first slot after a preset time (e.g., 3 ms) from the end of the slot in which the terminal receives the uplink transmission (e.g., PUCCH / PUSCH transmission) of the corresponding acknowledgement information of the PDSCH carrying the MAC CE.

[0227] Transmission parameter indication mode 2-2

[0228] In this mode 2-2, the network side maps multiple valid candidate codepoints to the time-domain unit of the target type. After the terminal correctly receives the mapping MAC CE, the terminal can start to consider the multiple valid candidate codepoints to be effective from the first time (as described above). After the multiple valid candidate codepoints are effective, the network side can further use the DCI carrying the target field to indicate the terminal to apply the candidate codepoint (which can be referred to as a “target codepoint”) corresponding to the codepoint indicated by the target field in the DCI to map the single set of DL / joint transmission parameters and / or the single set of UL transmission parameters to the time-domain unit of the target type.

[0229] Optionally, the sending of the first information to the terminal can include:

[0230] The network side device sends third configuration information to the terminal, and the third configuration information is used to configure at least one set of transmission parameters for the time-domain unit of the target type.

[0231] The network side device sends a second MAC CE to the terminal, and the second MAC CE is used to map multiple sets of transmission parameters corresponding to the time-domain unit of the target type to multiple valid candidate codepoints of the target field in the DCI used to indicate the transmission parameters.

[0232] The network side device sends a first DCI to the terminal, and the first DCI is used to indicate the terminal to apply the transmission parameters mapped by the target codepoint to the time-domain unit of the target type, the target codepoint being the valid candidate codepoint corresponding to the codepoint indicated by the target field in the first DCI. The first information is determined according to the third configuration information, the second MAC CE, and the first DCI.

[0233] Thus, after the terminal correctly receives the first DCI, the terminal can start to apply the transmission parameters mapped by the target codepoint to the time-domain unit of the target type, such as the mapped single set of DL / joint transmission parameters and / or the single set of UL transmission parameters, from the second time. The second time can be specified by a protocol or configured by high-layer signaling.

[0234] Optionally, for the above transmission parameter indication mode 2, the mapping manner adopted by the network side when using the MAC CE (such as the first MAC CE or the second MAC CE) to map the transmission parameters corresponding to the candidate code points of the target domain can include any of the following:

[0235] MAC CE mapping manner 1: Each MAC CE only maps the transmission parameters corresponding to the candidate code points in the target domain (such as the TCI domain) for one type of time domain unit; at this time, the corresponding time domain unit type can be indicated in the MAC CE; this MAC CE mapping manner 1 is relatively simple in design, and a single MAC CE only pays attention to the indication information of one type of time domain unit;

[0236] MAC CE mapping manner 2: Each MAC CE simultaneously maps the transmission parameters corresponding to the candidate code points in the target domain for multiple types of time domain units or all types of time domain units in the time domain unit for which the corresponding transmission parameters need to be indicated. At this time, in the MAC CE, for a certain candidate code point, and for each type of time domain unit in the multiple types of time domain units or all types of time domain units, the corresponding transmission parameter is indicated respectively. Optionally, in the MAC CE, for a certain candidate code point, a unified transmission parameter corresponding to the candidate code point is indicated to be applied to each type of time domain unit in the multiple types of time domain units or all types of time domain units simultaneously. Considering that when a single MAC CE only pays attention to the indication information of one type of time domain unit, the signaling overhead can be large, the MAC CE mapping manner 2 is introduced in this scheme, which can simultaneously pay attention to the indication information of multiple types of time domain units, thereby saving the signaling overhead.

[0237] Optionally, for the above transmission parameter indication mode 2-2, the indication manner adopted by the network side when using the DCI (such as the first DCI) to indicate the application of the transmission parameters corresponding to the target code points can include any of the following:

[0238] DCI indication manner 1: Each DCI only indicates the application of the transmission parameters corresponding to the target code points for one type of time domain unit; at this time, the corresponding time domain unit can be indicated in the DCI; for example, the DCI indication manner 1 can be used in cooperation with the MAC CE mapping manner 1; this DCI indication manner 1 is relatively simple in design, and a single DCI only pays attention to the indication information of one type of time domain unit;

[0239] DCI indication mode 2: each DCI indicates the transmission parameters of multiple types of time domain units or all types of time domain units in the time domain unit to which the corresponding transmission parameters need to be indicated, while indicating the transmission parameters corresponding to the target code point. For example, DCI indication mode 2 can be used in cooperation with MAC CE mapping mode 1 or MAC CE mapping mode 2. Considering that a single DCI only pays attention to the indication information of one type of time domain unit, which may cause a large signaling overhead, DCI indication mode 2 is introduced in the present solution, which can pay attention to the indication information of multiple types of time domain units at the same time, thereby saving signaling overhead.

[0240] In the embodiments of the present application, in the Multiple TRP scenario, that is, each set of DL / joint transmission parameters and / or each set of UL transmission parameters corresponds to one TRP, the network side can use different indication modes to indicate a set of corresponding DL / joint transmission parameters and / or a set of corresponding UL transmission parameters for the target type of time domain unit and the target TRP. The specific indication mode is described as follows.

[0241] Transmission parameter indication mode 3:

[0242] In this mode 3, the network side configures a set of corresponding DL / joint transmission parameters and / or a set of corresponding UL transmission parameters for the target type of time domain unit and the target TRP.

[0243] Optionally, the above sending the first information to the terminal can include that the network side device sends the first information to the terminal through fourth configuration information, that is, only high layer signaling such as RRC signaling is used to configure the transmission, and the fourth configuration information is used to configure a set of transmission parameters for the target type of time domain unit and the target TRP. For example, when the separate mode is used, a set of uplink transmission parameters and a set of downlink transmission parameters can be configured for the target type of time domain unit and the target TRP; and when the joint mode is used, a set of joint transmission parameters can be configured for the target type of time domain unit and the target TRP.

[0244] At this time, the terminal applies a set of transmission parameters configured for the target type of time domain unit and the target TRP, that is, directly applies a set of configured transmission parameters.

[0245] Transmission parameter indication mode 4:

[0246] In this manner 4, the network side configures at least one set of corresponding DL / joint transmission parameters and / or at least one set of corresponding UL transmission parameters for the target type of time domain unit and the target TRP. Further, the network side can use a MAC CE to map 0 or 1 set of DL / joint transmission parameters and / or 0 or 1 set of UL transmission parameters corresponding to the target type of time domain unit and the target TRP to a certain candidate code point of the target field (such as the TCI field) in the DCI, which is used to dynamically indicate the applied DL / joint transmission parameters and / or UL transmission parameters for the target type of time domain unit and the target TRP. Here, the number of candidate code points is related to the number of bits occupied by the target field, for example, when the target field occupies 3 bits, there are 8 candidate code points. When 1 set of DL / joint transmission parameters and / or 1 set of UL transmission parameters are mapped to a certain candidate code point for the target type of time domain unit and the target TRP, the candidate code point is considered valid. Based on the number of valid candidate code points mapped by the network side for the target type of time domain unit and the target TRP, the following manners can be further distinguished:

[0247] Transmission parameter indication manner 4-1:

[0248] In this manner 4-1, the network side only maps a single valid candidate code point for the target type of time domain unit and the target TRP. The above sending of the first information to the terminal can include:

[0249] The network side device sends fifth configuration information to the terminal, and the fifth configuration information is used to configure at least one set of transmission parameters for the target type of time domain unit and the target TRP;

[0250] The network side device sends a third MAC CE to the terminal, and the third MAC CE is used to map a set of transmission parameters corresponding to the target type of time domain unit and the target TRP to a single valid candidate code point of the target field in the DCI used to indicate the transmission parameters, and the first information is determined according to the fifth configuration information and the third MAC CE.

[0251] In this way, after the terminal correctly receives the third MAC CE, it can start from the third time to apply the transmission parameters mapped by the single valid candidate code point for the target type of time domain unit and the target TRP, such as a single set of DL / joint transmission parameters and / or a single set of UL transmission parameters. The third time can be specified by a protocol or configured by a high-level signaling. For example, when specified by a protocol, the first time slot after a preset time (such as 3ms) from the end time of the time slot where the uplink transmission (such as PUCCH / PUSCH transmission) of the corresponding ACK information of the PDSCH carrying the mapping MAC CE is located.

[0252] Transmission parameter indication manner 4-2:

[0253] In this manner 4-2, the network side maps multiple valid candidate codepoints of the target domain for the target type of time domain unit and the target TRP. At this time, after the terminal correctly receives the mapping MAC CE, it can consider that the multiple valid candidate codepoints start to take effect from the third time. After the multiple valid candidate codepoints take effect, the network side can further use the DCI carrying the target domain to indicate the terminal to apply the single set of DL / joint transmission parameters and / or the single set of UL transmission parameters corresponding to the candidate codepoint (which can be referred to as the "target codepoint") mapped by the target domain indicated in the DCI for the target type of time domain unit and the target TRP.

[0254] Optionally, the above sending the first information to the terminal can include:

[0255] The network side device sends sixth configuration information to the terminal, and the sixth configuration information is used to configure at least one set of transmission parameters for the target type of time domain unit and the target TRP.

[0256] The network side device sends a fourth MAC CE to the terminal, and the fourth MAC CE is used to map multiple sets of transmission parameters corresponding to the target type of time domain unit and the target TRP to multiple valid candidate codepoints of the target domain in the DCI used to indicate the transmission parameters.

[0257] The network side device sends a second DCI to the terminal, and the second DCI is used to indicate the transmission parameters mapped by the target codepoint for the target type of time domain unit and the target TRP, the target codepoint being the valid candidate codepoint in the multiple valid candidate codepoints corresponding to the codepoint indicated by the target domain in the second DCI; and the first information is determined according to the sixth configuration information, the fourth MAC CE and the second DCI.

[0258] In this way, after the terminal correctly receives the second DCI, it can start to apply the transmission parameters mapped by the target codepoint, such as the single set of DL / joint transmission parameters and / or the single set of UL transmission parameters, for the target type of time domain unit and the target TRP from the fourth time. The fourth time can be specified by a protocol or configured by high-layer signaling.

[0259] Optionally, for the above transmission parameter indication manner 4, when the network side uses the MAC CE (such as the third MAC CE or the fourth MAC CE) to map the transmission parameters corresponding to the candidate codepoint of the target domain, the mapping manner adopted can include any of the following:

[0260] MAC CE mapping mode 3: each MAC CE maps the transmission parameters corresponding to a candidate codepoint in the target domain only for one type of time domain unit and one TRP; at this time, the corresponding time domain unit type and TRP can be indicated in the MAC CE;

[0261] MAC CE mapping mode 4: each MAC CE maps the transmission parameters corresponding to a candidate codepoint in the target domain for one type of time domain unit and multiple TRPs; or, each MAC CE maps the transmission parameters corresponding to a candidate codepoint in the target domain for one type of time domain unit and all TRPs; at this time, the corresponding time domain unit type can be indicated in the MAC CE; for this time domain unit and a certain candidate codepoint, and for each of the multiple TRPs or all TRPs, the corresponding transmission parameters are respectively indicated;

[0262] MAC CE mapping mode 5: each MAC CE maps the transmission parameters corresponding to a candidate codepoint in the target domain for one TRP and multiple types of time domain units; or, each MAC CE maps the transmission parameters corresponding to a candidate codepoint in the target domain for one TRP and all types of time domain units; at this time, the corresponding TRP can be indicated in the MAC CE; for this TRP and a certain candidate codepoint, and for each type of time domain unit in the multiple types of time domain units or all types of time domain units, the corresponding transmission parameters are respectively indicated; optionally, in the MAC CE, for this TRP and a certain candidate codepoint, the unified transmission parameters corresponding to this TRP and this candidate codepoint are indicated to be applied to each type of time domain unit in the multiple types of time domain units or all types of time domain units at the same time;

[0263] MAC CE mapping mode 6: each MAC CE simultaneously maps the transmission parameters corresponding to the candidate codepoints in the target domain for multiple types of time domain units or all types of time domain units in the time domain units for which the corresponding transmission parameters need to be indicated, and for multiple TRPs or all TRPs in the TRPs for which the corresponding transmission parameters need to be indicated. At this time, in the MAC CE, for a certain candidate codepoint, and for each combination of time domain unit types and TRP groups determined based on the multiple types of time domain units or all types of time domain units, and the multiple TRPs or all TRPs, the corresponding transmission parameters are respectively indicated. Optionally, for this candidate codepoint, the corresponding transmission parameters can be indicated only for part of the time domain unit types and TRP combinations. Optionally, in the MAC CE, for each TRP in the multiple TRPs or all TRPs for which the corresponding transmission parameters need to be indicated and a certain candidate codepoint, a unified transmission parameter corresponding to the TRP and the candidate codepoint is indicated to be simultaneously applied to each type of time domain unit in the multiple types of time domain units or all types of time domain units for which the corresponding transmission parameters need to be indicated.

[0264] Optionally, for the transmission parameter indication mode 4-2 described above, the indication mode adopted by the network side when using the DCI (such as the second DCI) to indicate the application of the transmission parameters corresponding to the target codepoints can include at least one of the following:

[0265] DCI indication mode 3: each DCI indicates the application of the transmission parameters corresponding to the target codepoints only for one type of time domain unit and one TRP; at this time, the corresponding time domain unit type and TRP can be indicated in the DCI; for example, the DCI indication mode 3 can be used in cooperation with the MAC CE mapping mode 3;

[0266] DCI indication mode 4: each DCI indicates the application of the transmission parameters corresponding to the target codepoints for one type of time domain unit and multiple TRPs, or for one type of time domain unit and all TRPs; at this time, the corresponding time domain unit type can be indicated in the DCI; for example, the DCI indication mode 4 can be used in cooperation with the MAC CE mapping mode 4;

[0267] DCI indication mode 5: each DCI indicates the application of the transmission parameters corresponding to the target codepoints for multiple types of time domain units and one TRP, or for all types of time domain units and one TRP; at this time, the corresponding TRP can be indicated in the DCI; for example, the DCI indication mode 5 can be used in cooperation with the MAC CE mapping mode 5;

[0268] DCI indication mode 6: each DCI indicates the transmission parameters corresponding to multiple types of time domain units or all types of time domain units in the time domain unit to be indicated, and multiple TRPs or all TRPs in the TRP to be indicated, while indicating the transmission parameters corresponding to the target code point to be applied. For example, DCI indication mode 6 can be used in cooperation with MAC CE mapping mode 3 or 6.

[0269] Optionally, any one of the uplink transmission parameter, the joint transmission parameter and the downlink transmission parameter can include at least one of the following:

[0270] The spatial information corresponding to the target transmission of the target transmission direction;

[0271] The uplink power control parameter;

[0272] The path loss estimation reference signal information.

[0273] Optionally, the target transmission includes any transmission corresponding to the target transmission type of the target transmission direction, or the target transmission includes at least one of the cell common transmission, the terminal group common transmission and the terminal dedicated transmission corresponding to the target transmission type of the target transmission direction.

[0274] Optionally, in the case where the target transmission direction is uplink, the target transmission type includes at least one of PUCCH, PUSCH and SRS;

[0275] And / or, in the case where the target transmission direction is downlink, the target transmission type includes at least one of PDCCH, PDSCH and CSI-RS.

[0276] The parameter configuration method provided in the embodiments of the present application can be executed by the parameter configuration device. In the embodiments of the present application, the method of executing parameter configuration by the parameter configuration device is taken as an example to illustrate the parameter configuration device provided in the embodiments of the present application.

[0277] The parameter configuration device provided in the embodiments of the present application can be a communication device or a component in the communication device, such as a chip, as an example. The communication device can be a terminal, a network side device or a server, etc. For example, the terminal can include but is not limited to the types of the terminal 11 listed above, the network side device can include but is not limited to the types of the network side device 12 listed above, and the embodiments of the present application are not limited specifically.

[0278] The parameter configuration apparatus comprises a receiving module, a sending module and a processing module. The receiving module, the sending module and the processing module can be implemented by software or by hardware. When implemented by hardware, the processing module can be implemented by a processor. The processor can comprise a general-purpose processor, a special-purpose processor, etc., for example, a Central Processing Unit (CPU), a microprocessor, a Digital Signal Processor (DSP), an Artificial Intelligent (AI) processor, a Graphics Processing Unit (GPU), an Application Specific Integrated Circuit (ASIC), a Network Processor (NP), a Field Programmable Gate Array (FPGA) or other programmable logic devices, a gate circuit, a transistor, a discrete hardware component, etc. The receiving module and the sending module can be implemented by a communication interface. The communication interface can comprise one or more of a transceiver, a pin, a circuit, a bus, a radio frequency unit, etc.

[0279] Specifically, referring to FIG. 4, when the parameter configuration apparatus is a terminal or a component in the terminal, the parameter configuration apparatus 40 comprises:

[0280] The receiving module 41 is configured to receive first information. The first information is used to configure and / or indicate a set of transmission parameters for a target type of time domain unit, or the first information is used to configure and / or indicate a set of transmission parameters for a target type of time domain unit and a target Transmission Reception Point (TRP). The transmission parameters comprise at least one of uplink transmission parameters, joint transmission parameters and downlink transmission parameters.

[0281] The target type of time domain unit is any type of time domain unit or each type of time domain unit in a type of time domain unit related to SBFD. The target TRP is any TRP or each TRP involved in data transmission between the terminal and a network side device.

[0282] Optionally, the receiving module 41 is specifically configured to:

[0283] The first information is received through first configuration information. The first configuration information is used to configure a set of transmission parameters for the target type of time domain unit.

[0284] Optionally, the parameter configuration apparatus 40 further comprises:

[0285] The first processing module is configured to apply the set of transmission parameters to the time-domain unit of the target type.

[0286] Optionally, the receiving module 41 is specifically configured to:

[0287] receive second configuration information, the second configuration information being used to configure at least one set of transmission parameters for a time-domain unit of a target type;

[0288] receive a first MAC CE, the first MAC CE being used to map a set of transmission parameters corresponding to the time-domain unit of the target type to a single valid candidate code point of a target field in DCI used to indicate transmission parameters; and the first information is determined according to the second configuration information and the first MAC CE.

[0289] Optionally, the parameter configuration apparatus 40 further includes:

[0290] a second processing module, configured to apply, starting from a first time, the transmission parameters mapped by the single valid candidate code point to the time-domain unit of the target type.

[0291] Optionally, the receiving module 41 is specifically configured to:

[0292] receive third configuration information, the third configuration information being used to configure at least one set of transmission parameters for a time-domain unit of a target type;

[0293] receive a second MAC CE, the second MAC CE being used to map multiple sets of transmission parameters corresponding to the time-domain unit of the target type to multiple valid candidate code points of a target field in DCI used to indicate transmission parameters respectively;

[0294] receive a first DCI, the first DCI being used to indicate that a transmission parameter mapped by a target code point is applied to the time-domain unit of the target type, the target code point being a valid candidate code point in the multiple valid candidate code points corresponding to a code point indicated by a target field in the first DCI; and the first information is determined according to the third configuration information, the second MAC CE and the first DCI.

[0295] Optionally, the parameter configuration apparatus 40 further includes:

[0296] a third processing module, configured to apply, starting from a second time, the transmission parameter mapped by the target code point to the time-domain unit of the target type.

[0297] Optionally, the mapping manner adopted by the first MAC CE or the second MAC CE includes any one of the following:

[0298] Each MAC CE maps the transmission parameters corresponding to the candidate codepoint in the target domain only for one type of time domain unit;

[0299] Each MAC CE maps the transmission parameters corresponding to the candidate codepoint in the target domain for multiple types of time domain units or all types of time domain units in the time domain units for which the corresponding transmission parameters need to be indicated.

[0300] Optionally, the indication manner adopted by the first DCI includes any one of the following:

[0301] Each DCI indicates the application of the transmission parameters corresponding to the target codepoint only for one type of time domain unit;

[0302] Each DCI indicates the application of the transmission parameters corresponding to the target codepoint for multiple types of time domain units or all types of time domain units in the time domain units for which the corresponding transmission parameters need to be indicated.

[0303] Optionally, the parameter configuration apparatus 40 further includes:

[0304] The fourth processing module is configured to perform at least one of the following for a first type of time domain unit in the type of time domain unit related to SBFD and for which no transmission parameter is configured and / or indicated:

[0305] Not performing target transmission in the first type of time domain unit;

[0306] Performing target transmission in the first type of time domain unit by applying a default transmission parameter;

[0307] Performing target transmission in the first type of time domain unit by applying a high-layer configured parameter based on a downlink TCI state and / or a spatial relation info framework.

[0308] Optionally, the receiving module 41 is specifically configured to:

[0309] Receive the first information through fourth configuration information, the fourth configuration information being used to configure a set of transmission parameters for the target type of time domain unit and the target TRP.

[0310] Optionally, the parameter configuration apparatus 40 further includes:

[0311] The fifth processing module is configured to apply the set of transmission parameters for the target type of time domain unit and the target TRP.

[0312] Optionally, the receiving module 41 is specifically configured to:

[0313] Receive fifth configuration information, the fifth configuration information being used to configure at least one set of transmission parameters for the target type of time domain unit and the target TRP;

[0314] receiving a third MAC CE, the third MAC CE being used for mapping a set of transmission parameters corresponding to the target type of time domain unit and the target TRP to a single valid candidate codepoint of a target field in DCI used for indicating transmission parameters; the first information being determined according to the fifth configuration information and the third MAC CE.

[0315] Optionally, the parameter configuration apparatus 40 further includes:

[0316] a sixth processing module, configured to, starting from a third time, apply the transmission parameters mapped by the single valid candidate codepoint to the target type of time domain unit and the target TRP.

[0317] Optionally, the receiving module 41 is specifically configured to:

[0318] receiving sixth configuration information, the sixth configuration information being used for configuring at least a set of transmission parameters for the target type of time domain unit and the target TRP;

[0319] receiving a fourth MAC CE, the fourth MAC CE being used for mapping a plurality of sets of transmission parameters corresponding to the target type of time domain unit and the target TRP to a plurality of valid candidate codepoints of a target field in DCI used for indicating transmission parameters respectively;

[0320] receiving a second DCI, the second DCI being used for indicating the transmission parameters mapped by a target codepoint for the target type of time domain unit and the target TRP, the target codepoint being a valid candidate codepoint in the plurality of valid candidate codepoints corresponding to a codepoint indicated by a target field in the second DCI; the first information being determined according to the sixth configuration information, the fourth MAC CE and the second DCI.

[0321] Optionally, the parameter configuration apparatus 40 further includes:

[0322] a seventh processing module, configured to, starting from a fourth time, apply the transmission parameters mapped by the target codepoint to the target type of time domain unit and the target TRP.

[0323] Optionally, the mapping manner adopted by the third MAC CE or the fourth MAC CE includes any one of the following:

[0324] each MAC CE maps the transmission parameters corresponding to the candidate codepoint in the target field only for one type of time domain unit and one TRP;

[0325] Each MAC CE maps the transmission parameters corresponding to the candidate codepoint in the target domain for one TRP and multiple types of time domain units; or each MAC CE maps the transmission parameters corresponding to the candidate codepoint in the target domain for one TRP and all types of time domain units.

[0326] Each MAC CE maps the transmission parameters corresponding to the candidate codepoint in the target domain for one TRP and multiple types of time domain units; or each MAC CE maps the transmission parameters corresponding to the candidate codepoint in the target domain for one TRP and all types of time domain units.

[0327] Each MAC CE maps the transmission parameters corresponding to the candidate codepoint in the target domain for multiple types of time domain units or all types of time domain units in the time domain units for which the corresponding transmission parameters need to be indicated, and for multiple TRPs or all TRPs in the TRPs for which the corresponding transmission parameters need to be indicated.

[0328] Optionally, the indication manner adopted by the second DCI includes at least one of the following:

[0329] Each DCI indicates the application of the transmission parameters corresponding to the target codepoint for one TRP and one type of time domain unit;

[0330] Each DCI indicates the application of the transmission parameters corresponding to the target codepoint for one TRP and multiple types of time domain units; or each DCI indicates the application of the transmission parameters corresponding to the target codepoint for one TRP and all types of time domain units.

[0331] Each DCI indicates the application of the transmission parameters corresponding to the target codepoint for one TRP and multiple types of time domain units; or each DCI indicates the application of the transmission parameters corresponding to the target codepoint for one TRP and all types of time domain units.

[0332] Each DCI indicates the application of the transmission parameters corresponding to the target codepoint for multiple types of time domain units or all types of time domain units in the time domain units for which the corresponding transmission parameters need to be indicated, and for multiple TRPs or all TRPs in the TRPs for which the corresponding transmission parameters need to be indicated.

[0333] Optionally, the parameter configuration device 40 further includes:

[0334] The eighth processing module is configured to perform at least one of the following for a second type of time domain unit in the type of time domain units related to SBFD and for which no transmission parameter is configured and / or indicated, and for a first TRP for which no transmission parameter is configured and / or indicated:

[0335] No target transmission for the first TRP is performed within the second type of time domain unit.

[0336] apply default transmission parameters to perform the target transmission for the first TRP within the second type of time domain unit;

[0337] apply high layer configured parameters based on downlink TCI state and / or spatial relation info framework to perform the target transmission for the first TRP within the second type of time domain unit.

[0338] Optionally, any one of the uplink transmission parameters, the joint transmission parameters and the downlink transmission parameters comprises at least one of:

[0339] spatial information corresponding to the target transmission of the target transmission direction;

[0340] uplink power control parameters;

[0341] path loss estimation reference signal information.

[0342] Optionally, the target transmission comprises any transmission corresponding to the target transmission type of the target transmission direction, or the target transmission comprises at least one of cell common transmission, terminal group common transmission and terminal dedicated transmission corresponding to the target transmission type of the target transmission direction.

[0343] Optionally, in the case that the target transmission direction is uplink, the target transmission type comprises at least one of physical uplink control channel (PUCCH), physical uplink shared channel (PUSCH) and sounding reference signal (SRS);

[0344] and / or, in the case that the target transmission direction is downlink, the target transmission type comprises at least one of physical downlink control channel (PDCCH), physical downlink shared channel (PDSCH) and channel state information reference signal (CSI-RS).

[0345] Optionally, the time domain unit comprises at least one of:

[0346] a time domain unit applying SBFD, wherein the time domain unit applying SBFD is a time domain unit of one duplex mode, or the time domain unit applying SBFD comprises time domain units of multiple duplex modes;

[0347] a time domain unit not applying SBFD.

[0348] The parameter configuration device provided by the embodiments of the present application can realize each process realized by the method embodiment shown in FIG. 2 and achieve the same technical effects. To avoid repetition, details are not described here.

[0349] Referring to FIG. 5, when the parameter configuration device is a network side device or a component in the network side device, the parameter configuration device 50 comprises:

[0350] The sending module 51 is configured to send first information to the terminal, wherein the first information is used to configure and / or indicate a set of transmission parameters for a target type of time domain unit, or the first information is used to configure and / or indicate a set of transmission parameters for a target type of time domain unit and a target TRP; the transmission parameters include at least one of the following: uplink transmission parameters, joint transmission parameters, and downlink transmission parameters.

[0351] The target type of time domain unit is any or each type of time domain unit in a time domain unit type related to SBFD; and the target TRP is any or each TRP related to data transmission and reception between the terminal and the network side device.

[0352] Optionally, the sending module 51 is specifically configured to send the first information to the terminal through first configuration information, wherein the first configuration information is used to configure a set of transmission parameters for the target type of time domain unit.

[0353] Optionally, the sending module 51 is specifically configured to:

[0354] send second configuration information to the terminal, wherein the second configuration information is used to configure at least one set of transmission parameters for the target type of time domain unit;

[0355] send a first MAC CE to the terminal, wherein the first MAC CE is used to map a set of transmission parameters corresponding to the target type of time domain unit to a single valid candidate code point of a target field in DCI used to indicate transmission parameters; and the first information is determined according to the second configuration information and the first MAC CE.

[0356] Optionally, the sending module 51 is specifically configured to:

[0357] send third configuration information to the terminal, wherein the third configuration information is used to configure at least one set of transmission parameters for the target type of time domain unit;

[0358] send a second MAC CE to the terminal, wherein the second MAC CE is used to map a plurality of sets of transmission parameters corresponding to the target type of time domain unit to a plurality of valid candidate code points of a target field in DCI used to indicate transmission parameters;

[0359] send a first DCI to the terminal, wherein the first DCI is used to indicate transmission parameters for which the target type of time domain unit applies target code point mapping, and the target code point is a valid candidate code point in the plurality of valid candidate code points corresponding to a code point indicated by a target field in the first DCI; and the first information is determined according to the third configuration information, the second MAC CE, and the first DCI.

[0360] Optionally, the mapping manner adopted by the first MAC CE or the second MAC CE comprises any one of the following:

[0361] Each MAC CE maps the transmission parameters corresponding to the candidate code points in the target domain only for one type of time domain unit;

[0362] Each MAC CE simultaneously maps the transmission parameters corresponding to the candidate code points in the target domain for multiple types of time domain units or all types of time domain units in the time domain unit for which the corresponding transmission parameters need to be indicated.

[0363] Optionally, the indication manner adopted by the first DCI comprises any one of the following:

[0364] Each DCI indicates the application of the transmission parameters corresponding to the target code points only for one type of time domain unit;

[0365] Each DCI simultaneously indicates the application of the transmission parameters corresponding to the target code points for multiple types of time domain units or all types of time domain units in the time domain unit for which the corresponding transmission parameters need to be indicated.

[0366] Optionally, the sending module 51 is specifically configured to: send the first information to the terminal through fourth configuration information, the fourth configuration information being used to configure a set of transmission parameters for the target type of time domain unit and the target TRP.

[0367] Optionally, the sending module 51 is specifically configured to:

[0368] send fifth configuration information to the terminal, the fifth configuration information being used to configure at least one set of transmission parameters for the target type of time domain unit and the target TRP;

[0369] send a third MAC CE to the terminal, the third MAC CE being used to map a set of transmission parameters corresponding to the target type of time domain unit and the target TRP to a single valid candidate code point of the target domain in the DCI used to indicate the transmission parameters; the first information is determined according to the fifth configuration information and the third MAC CE.

[0370] Optionally, the sending module 51 is specifically configured to:

[0371] send sixth configuration information to the terminal, the sixth configuration information being used to configure at least one set of transmission parameters for the target type of time domain unit and the target TRP;

[0372] sending a fourth MAC CE to the terminal, the fourth MAC CE being used to map the time-domain units of the target type and the multiple sets of transmission parameters corresponding to the target TRP to multiple valid candidate code points of a target field in DCI used to indicate transmission parameters respectively;

[0373] sending a second DCI to the terminal, the second DCI being used to indicate the transmission parameters to which the target code point mapping is applied to the time-domain units of the target type and the target TRP, the target code point being a valid candidate code point in the multiple valid candidate code points corresponding to the code point indicated by the target field in the second DCI; and the first information being determined according to the sixth configuration information, the fourth MAC CE and the second DCI.

[0374] Optionally, the mapping manner adopted by the third MAC CE or the fourth MAC CE includes any one of the following:

[0375] Each MAC CE maps the transmission parameters corresponding to the candidate code points in the target field for one type of time-domain units and one TRP.

[0376] Each MAC CE maps the transmission parameters corresponding to the candidate code points in the target field for one type of time-domain units and multiple TRPs, or each MAC CE maps the transmission parameters corresponding to the candidate code points in the target field for one type of time-domain units and all TRPs.

[0377] Each MAC CE maps the transmission parameters corresponding to the candidate code points in the target field for one TRP and multiple types of time-domain units, or each MAC CE maps the transmission parameters corresponding to the candidate code points in the target field for one TRP and all types of time-domain units.

[0378] Each MAC CE maps the transmission parameters corresponding to the candidate code points in the target field for multiple types of time-domain units or all types of time-domain units in the time-domain units for which the corresponding transmission parameters need to be indicated and for multiple TRPs or all TRPs in the TRPs for which the corresponding transmission parameters need to be indicated.

[0379] Optionally, the indication manner adopted by the second DCI includes at least one of the following:

[0380] Each DCI indicates the transmission parameters corresponding to the target code point for one type of time-domain units and one TRP.

[0381] Each DCI indicates the transmission parameters corresponding to the target code point for one type of time-domain units and multiple TRPs, or each DCI indicates the transmission parameters corresponding to the target code point for one type of time-domain units and all TRPs.

[0382] Each DCI indicates the transmission parameters corresponding to the target codepoint for one TRP and multiple types of time domain units; or each DCI indicates the transmission parameters corresponding to the target codepoint for one TRP and all types of time domain units.

[0383] Each DCI indicates the transmission parameters corresponding to the target codepoint for multiple types of time domain units or all types of time domain units in the time domain units for which the corresponding transmission parameters need to be indicated, and for multiple TRPs or all TRPs in the TRPs for which the corresponding transmission parameters need to be indicated.

[0384] Optionally, any one of the uplink transmission parameter, the joint transmission parameter and the downlink transmission parameter comprises at least one of:

[0385] The spatial domain information corresponding to the target transmission of the target transmission direction;

[0386] The uplink power control parameter;

[0387] The path loss estimation reference signal information.

[0388] Optionally, the target transmission comprises any transmission corresponding to the target transmission type of the target transmission direction, or the target transmission comprises at least one of cell common transmission, terminal group common transmission and terminal dedicated transmission corresponding to the target transmission type of the target transmission direction.

[0389] Optionally, in the case where the target transmission direction is uplink, the target transmission type comprises at least one of PUCCH, PUSCH and SRS;

[0390] And / or, in the case where the target transmission direction is downlink, the target transmission type comprises at least one of PDCCH, PDSCH and CSI-RS.

[0391] Optionally, the time domain unit comprises at least one of:

[0392] The time domain unit applying SBFD, wherein the time domain unit applying SBFD is a time domain unit of one duplex mode, or the time domain unit applying SBFD comprises time domain units of multiple duplex modes;

[0393] The time domain unit not applying SBFD.

[0394] The parameter configuration device provided by the embodiments of the present application can realize each process realized by the method embodiment shown in FIG. 3 and achieve the same technical effects. To avoid repetition, details are not described here.

[0395] As shown in FIG. 6, the embodiment of the present application further provides a communication device 60, comprising a processor 61 and a memory 62, wherein the memory 62 stores programs or instructions executable on the processor 61. For example, when the communication device 60 is a terminal, the programs or instructions are executed by the processor 61 to implement each step of the parameter configuration method embodiment shown in FIG. 2, and achieve the same technical effects. When the communication device 60 is a network side device, the programs or instructions are executed by the processor 61 to implement each step of the parameter configuration method embodiment shown in FIG. 3, and achieve the same technical effects. To avoid repetition, details are not described herein.

[0396] The embodiment of the present application further provides a terminal, comprising a processor and a communication interface, wherein the communication interface is coupled to the processor, and the processor is configured to run programs or instructions to implement the steps in the method embodiment shown in FIG. 2. The terminal embodiment corresponds to the terminal side method embodiment described above, and each implementation process and implementation manner of the method embodiment can be applied to the terminal embodiment, and achieve the same technical effects. The terminal can be the parameter configuration apparatus shown in FIG. 4.

[0397] Specifically, FIG. 7 is a schematic diagram of a hardware structure of a terminal for implementing the embodiment of the present application.

[0398] The terminal 700 includes, but is not limited to, at least part of the following components: a radio frequency unit 701, a network module 702, an audio output unit 703, an input unit 704, a sensor 705, a display unit 706, a user input unit 707, an interface unit 708, a memory 709, and a processor 710, etc.

[0399] Those skilled in the art can understand that the terminal 700 can further include a power supply (such as a battery) for supplying power to each component, and the power supply can be logically connected to the processor 710 through a power management system, so as to realize functions such as management of charging, discharging and power consumption management through the power management system. The terminal structure shown in FIG. 7 does not constitute a limitation on the terminal, and the terminal can include more or fewer components than those shown, or combine certain components, or different component arrangements, which are not described herein.

[0400] It should be understood that in the embodiments of the present application, the input unit 704 can include a graphics processor 7041 and a microphone 7042, and the graphics processor 7041 processes image data of a still picture or a video obtained by an image capture device (such as a camera) in a video capture mode or an image capture mode. The display unit 706 can include a display panel 7061, which can be configured in the form of a liquid crystal display, an organic light-emitting diode, etc. The user input unit 707 includes at least one of a touch panel 7071 and other input devices 7072. The touch panel 7071 is also called a touch screen. The touch panel 7071 can include two parts of a touch detection device and a touch controller. The other input devices 7072 can include, but are not limited to, a physical keyboard, function keys (such as volume control keys, on-off keys, etc.), a trackball, a mouse, a joystick, and the like, which will not be described here.

[0401] In the embodiments of the present application, after the radio frequency unit 701 receives the downlink data from the network side device, it can be transmitted to the processor 710 for processing. In addition, the radio frequency unit 701 can send uplink data to the network side device. Generally, the radio frequency unit 701 includes, but is not limited to, an antenna, an amplifier, a transceiver, a coupler, a low noise amplifier, a duplexer, etc.

[0402] The memory 709 can be used to store software programs or instructions and various data. The memory 709 can mainly include a first storage area storing programs or instructions and a second storage area storing data, wherein the first storage area can store an operating system, application programs or instructions required by at least one function (such as a sound playing function, an image playing function, etc.), and the like. In addition, the memory 709 can include a volatile memory or a non-volatile memory. The non-volatile memory can be a Read-Only Memory (ROM), a Programmable ROM (PROM), an Erasable PROM (EPROM), an Electrically EPROM (EEPROM), or a flash memory. The volatile memory can be a Random Access Memory (RAM), a Static RAM (SRAM), a Dynamic RAM (DRAM), a Synchronous DRAM (SDRAM), a Double Data Rate SDRAM (DDR SDRAM), an Enhanced SDRAM (ESDRAM), a Synch link DRAM (SLDRAM), and a Direct Rambus RAM (DRRAM). The memory 709 in the embodiments of the present application includes but is not limited to these and any other suitable types of memory.

[0403] The processor 710 can include one or more processing units; optionally, the processor 710 integrates an application processor and a modem processor, wherein the application processor mainly processes operations related to an operating system, a user interface, and an application program, and the modem processor mainly processes wireless communication signals, such as a baseband processor. It can be understood that the above-mentioned modem processor can also not be integrated into the processor 710.

[0404] The radio frequency unit 701 is configured to receive first information, wherein the first information is used to configure and / or indicate a set of transmission parameters for a target type of time domain unit, or the first information is used to configure and / or indicate a set of transmission parameters for a target type of time domain unit and a target transmission and reception point (TRP), wherein the transmission parameters include at least one of uplink transmission parameters, joint transmission parameters, and downlink transmission parameters, and the target type of time domain unit is any or each type of time domain unit in a type of time domain unit related to SBFD, and the target TRP is any or each TRP related to data transmission and reception between a terminal and a network side device.

[0405] It can be understood that the implementation processes of the implementation manners mentioned in the embodiments can refer to the related descriptions of the method embodiments shown in FIG. 2, and achieve the same or corresponding technical effects. To avoid repetition, details are not described herein again.

[0406] The embodiments of the present application further provide a network side device including a processor and a communication interface, wherein the communication interface is coupled to the processor, and the processor is configured to run programs or instructions to implement the steps of the method embodiments shown in FIG. 3. The network side device embodiments correspond to the network side device method embodiments described above, and each implementation process and implementation manner of the method embodiments described above can be applied to the network side device embodiments and achieve the same technical effects.

[0407] Specifically, the embodiments of the present application further provide a network side device, which can be the parameter configuration apparatus shown in FIG. 5. As shown in FIG. 8, the network side device 80 includes an antenna 81, a radio frequency device 82, a baseband device 83, a processor 84, and a memory 85. The antenna 81 is connected to the radio frequency device 82. In the uplink direction, the radio frequency device 82 receives information through the antenna 81 and sends the received information to the baseband device 83 for processing. In the downlink direction, the baseband device 83 processes the information to be sent and sends it to the radio frequency device 82. The radio frequency device 82 processes the received information and sends it out through the antenna 81.

[0408] The method performed by the network side device in the above embodiments can be implemented in the baseband device 83, which includes a baseband processor.

[0409] The baseband device 83 may, for example, include at least one baseband board on which a plurality of chips are arranged, as shown in FIG. 8. One of the chips is, for example, a baseband processor connected to the memory 85 through a bus interface to call programs in the memory 85 and perform the network device operations shown in the above method embodiments.

[0410] The network-side device can further include a network interface 86, for example, a Common Public Radio Interface (CPRI).

[0411] Specifically, the network-side device 80 of the embodiments of the present application further includes instructions or programs stored on the memory 85 and executable on the processor 84, the processor 84 invokes the instructions or programs in the memory 85 to perform the method performed by the modules shown in FIG. 5 and achieve the same technical effects. To avoid repetition, details are not described herein.

[0412] The embodiments of the present application further provide a readable storage medium having programs or instructions stored thereon, the programs or instructions are executed by a processor to implement each process of the above parameter configuration method embodiments and achieve the same technical effects. To avoid repetition, details are not described herein.

[0413] The processor is the processor in the terminal in the above embodiments. The readable storage medium includes a computer readable storage medium, such as a computer readable only memory (ROM), a random access memory (RAM), a magnetic disk or an optical disk, etc. In some examples, the readable storage medium can be a non-transitory readable storage medium.

[0414] The embodiments of the present application further provide a chip including a processor and a communication interface, the communication interface and the processor are coupled, the processor is used to run programs or instructions to implement each process of the above parameter configuration method embodiments and achieve the same technical effects. To avoid repetition, details are not described herein.

[0415] It should be understood that the chip mentioned in the embodiments of the present application can also be referred to as a system chip, a system chip, a chip system or a system on chip, etc.

[0416] The embodiments of the present application further provide a computer program / program product stored in a storage medium, the computer program / program product is executed by at least one processor to implement each process of the above parameter configuration method embodiments and achieve the same technical effects. To avoid repetition, details are not described herein.

[0417] The embodiments of the present application further provide a communication system including a terminal and a network-side device, the terminal can be used to perform the steps of the parameter configuration method as shown in FIG. 2, and the network-side device can be used to perform the steps of the parameter configuration method as shown in FIG. 3.

[0418] It should be noted that, in the present document, the terms "comprises", "comprising", or any other variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can also include other elements not expressly listed or inherent to such process, method, article, or apparatus. An element proceeded by "comprises a", "comprising", or the like does not, without more constraints, preclude the existence of additional identical elements in the process, method, article, or apparatus that comprises the element. Furthermore, it is to be understood that the methods and apparatuses of the present application can be carried out by specific hardware, by software, or by a combination of hardware and software. It is therefore, contemplated to this patent to cover any and all modifications, variations, or equivalents that fall within the scope of the present application. Accordingly, where a concept can have been illustrated in only one of the exemplary embodiments, various aspects of the concept can be modified and / or combined to produce a variety of other embodiments that are not specifically illustrated. Thus, for purposes of describing particular embodiments, reference has been made to orientations. However, it should be understood that the described embodiments can be carried out in other orientations than those explicitly described without departing from the scope of the present application.

[0419] From the above description of the embodiments, it is apparent that the above-mentioned method can be realized by means of a computer software product and a general hardware platform, of course, it can also be realized by hardware. The computer software product is stored in a storage medium (such as ROM, RAM, magnetic disc, optical disc, etc.), and includes a plurality of instructions for making the terminal or network side device execute the method described in each embodiment of the present application.

[0420] The embodiments of the present application are described above in combination with the drawings, but the present application is not limited to the above-mentioned specific embodiments, the above-mentioned specific embodiments are only illustrative, but not restrictive, and those skilled in the art can make many forms of embodiments under the inspiration of the present application without departing from the scope of the present application and the scope protected by the claims.

Claims

1. A parameter configuration method, comprising: receiving, by a terminal, first information; wherein the first information is used to configure and / or indicate a set of transmission parameters for a target type of time domain unit, or the first information is used to configure and / or indicate a set of transmission parameters for a target type of time domain unit and a target transmission and reception point (TRP); the transmission parameters comprise at least one of: uplink transmission parameters, joint transmission parameters, and downlink transmission parameters; the target type of time domain unit is any or each type of time domain unit in a type of time domain unit related to sub-band full duplex (SBFD); the target TRP is any or each TRP involved in data transmission and reception between the terminal and a network side device.

2. The method of claim 1, wherein, receiving, by the terminal, first information, comprising: receiving, by the terminal, the first information through first configuration information, the first configuration information being used to configure a set of transmission parameters for the target type of time domain unit.

3. The method of claim 2, further comprising: applying, by the terminal, the set of transmission parameters for the target type of time domain unit.

4. The method of claim 1, wherein, receiving, by the terminal, first information, comprising: receiving, by the terminal, second configuration information, the second configuration information being used to configure at least one set of transmission parameters for the target type of time domain unit; receiving, by the terminal, a first medium access control (MAC) control element (CE), the first MAC CE being used to map a set of transmission parameters corresponding to the target type of time domain unit to a single valid candidate code point of a target domain in a downlink control information (DCI) used to indicate transmission parameters; the first information being determined according to the second configuration information and the first MAC CE.

5. The method of claim 4, further comprising: applying, by the terminal, the transmission parameters mapped by the single valid candidate code point for the target type of time domain unit starting from a first time.

6. The method of claim 1, wherein, receiving, by the terminal, first information, comprising: receiving, by the terminal, third configuration information, the third configuration information being used to configure at least one set of transmission parameters for the target type of time domain unit; receiving, by the terminal, a second MAC CE, the second MAC CE being used to map a plurality of sets of transmission parameters corresponding to the target type of time domain unit to a plurality of valid candidate code points of a target domain in a DCI used to indicate transmission parameters respectively; receiving, by the terminal, a first DCI, the first DCI being used to indicate transmission parameters mapped by a target code point for the target type of time domain unit, the target code point being a valid candidate code point in the plurality of valid candidate code points corresponding to a code point indicated by a target domain in the first DCI; the first information being determined according to the third configuration information, the second MAC CE, and the first DCI.

7. The method of claim 6, further comprising: applying, by the terminal, the transmission parameters mapped by the target code point for the target type of time domain unit starting from a second time.

8. The method according to any one of claims 4 to 7, wherein, the mapping manner adopted by the first MAC CE or the second MAC CE comprises any one of: Each MAC CE maps the transmission parameters corresponding to the candidate codepoints in the target domain only for one type of time domain unit; Each MAC CE maps the transmission parameters corresponding to the candidate codepoints in the target domain for multiple types of time domain units or all types of time domain units in the time domain units for which the corresponding transmission parameters need to be indicated.

9. The method of claim 6, wherein, The indication manner adopted by the first DCI includes any of the following: Each DCI indicates the application of the transmission parameters corresponding to the target codepoints only for one type of time domain unit; Each DCI indicates the application of the transmission parameters corresponding to the target codepoints for multiple types of time domain units or all types of time domain units in the time domain units for which the corresponding transmission parameters need to be indicated.

10. The method according to any one of claims 1 to 9, wherein, For a first type of time domain unit in the time domain unit types related to SBFD, for which no transmission parameter is configured and / or indicated, the method further includes at least one of the following: The terminal does not perform target transmission within the first type of time domain unit; The terminal applies default transmission parameters to perform target transmission within the first type of time domain unit; The terminal applies high-layer configuration parameters based on downlink transmission configuration indication TCI state and / or uplink spatial relation info framework to perform target transmission within the first type of time domain unit.

11. The method of claim 1, wherein, The terminal receives first information, including: The terminal receives the first information through fourth configuration information, which is used to configure a set of transmission parameters for the target type of time domain unit and the target TRP.

12. The method of claim 11, further comprising: The terminal applies the set of transmission parameters for the target type of time domain unit and the target TRP.

13. The method of claim 1, wherein, The terminal receives first information, including: The terminal receives fifth configuration information, which is used to configure at least one set of transmission parameters for the target type of time domain unit and the target TRP; The terminal receives a third MAC CE, which is used to map a set of transmission parameters corresponding to the target type of time domain unit and the target TRP to a single valid candidate codepoint in the target domain of the DCI used to indicate transmission parameters; the first information is determined according to the fifth configuration information and the third MAC CE.

14. The method of claim 13, further comprising: The terminal applies the transmission parameters mapped by the single valid candidate codepoint for the target type of time domain unit and the target TRP from the third time point.

15. The method of claim 1, wherein, The terminal receives first information, including: The terminal receives sixth configuration information, which is used to configure at least one set of transmission parameters for the target type of time domain unit and the target TRP; The terminal receives a fourth MAC CE, which is used to map multiple sets of transmission parameters corresponding to the target type of time domain unit and the target TRP to multiple valid candidate codepoints in the target domain of the DCI used to indicate transmission parameters, respectively; The terminal receives a second DCI, and the second DCI is used to indicate that the transmission parameters mapped by the target code point are applied to the time domain unit of the target type and the target TRP, and the target code point is the valid candidate code point corresponding to the code point indicated by the target domain in the second DCI in the plurality of valid candidate code points; and the first information is determined according to the sixth configuration information, the fourth MAC CE and the second DCI.

16. The method of claim 15, further comprising: The terminal applies the transmission parameters mapped by the target code point to the time domain unit of the target type and the target TRP starting from the fourth time point.

17. The method according to any one of claims 13 to 16, wherein, The mapping manner adopted by the third MAC CE or the fourth MAC CE includes any one of the following: Each MAC CE maps the transmission parameters corresponding to the candidate code points in the target domain only for one type of time domain unit and one TRP; Each MAC CE maps the transmission parameters corresponding to the candidate code points in the target domain for one type of time domain unit and multiple TRPs; or each MAC CE maps the transmission parameters corresponding to the candidate code points in the target domain for one type of time domain unit and all TRPs; Each MAC CE maps the transmission parameters corresponding to the candidate code points in the target domain for one TRP and multiple types of time domain units; or each MAC CE maps the transmission parameters corresponding to the candidate code points in the target domain for one TRP and all types of time domain units; Each MAC CE simultaneously maps the transmission parameters corresponding to the candidate code points in the target domain for multiple types of time domain units or all types of time domain units in the time domain unit for which the corresponding transmission parameters need to be indicated, and for multiple TRPs or all TRPs in the TRP for which the corresponding transmission parameters need to be indicated.

18. The method of claim 15, wherein, The indication manner adopted by the second DCI includes at least one of the following: Each DCI indicates the application of the transmission parameters corresponding to the target code point only for one type of time domain unit and one TRP; Each DCI indicates the application of the transmission parameters corresponding to the target code point for one type of time domain unit and multiple TRPs; or each DCI indicates the application of the transmission parameters corresponding to the target code point for one type of time domain unit and all TRPs; Each DCI indicates the application of the transmission parameters corresponding to the target code point for one TRP and multiple types of time domain units; or each DCI indicates the application of the transmission parameters corresponding to the target code point for one TRP and all types of time domain units; Each DCI simultaneously indicates the application of the transmission parameters corresponding to the target code point for multiple types of time domain units or all types of time domain units in the time domain unit for which the corresponding transmission parameters need to be indicated, and for multiple TRPs or all TRPs in the TRP for which the corresponding transmission parameters need to be indicated.

19. The method of any one of claims 1 to 18, wherein, For the second type of time domain unit in the time domain unit type related to SBFD for which no transmission parameter is configured and / or indicated, and the first TRP for which no transmission parameter is configured and / or indicated; the method further includes at least one of the following: The terminal does not perform target transmission for the first TRP within the second type of time domain unit; The terminal applies default transmission parameters to perform target transmission for the first TRP in the second type of time domain unit; The terminal applies, based on a high-layer configuration parameter of a downlink TCI state and / or a spatial relation info framework, target transmission for the first TRP in the second type of time domain unit.

20. The method of any one of claims 1 to 19, wherein, Any one of the uplink transmission parameter, the joint transmission parameter, and the downlink transmission parameter includes at least one of the following: Spatial information corresponding to target transmission of a target transmission direction; Uplink power control parameters; Reference signal information for loss estimation.

21. The method of claim 10, 19, or 20, wherein, The target transmission includes any transmission corresponding to a target transmission type of a target transmission direction, or the target transmission includes at least one of cell-common transmission, terminal group-common transmission, and terminal-specific transmission corresponding to a target transmission type of a target transmission direction.

22. The method of claim 21, wherein, In a case where the target transmission direction is uplink, the target transmission type includes at least one of a physical uplink control channel (PUCCH), a physical uplink shared channel (PUSCH), and a sounding reference signal (SRS); And / or, In a case where the target transmission direction is downlink, the target transmission type includes at least one of a physical downlink control channel (PDCCH), a physical downlink shared channel (PDSCH), and a channel state information reference signal (CSI-RS).

23. The method of any one of claims 1 to 22, wherein, The time domain unit includes at least one of the following: A time domain unit applying SBFD, wherein the time domain unit applying SBFD is a time domain unit of one duplex mode, or the time domain unit applying SBFD includes time domain units of multiple duplex modes; A time domain unit not applying SBFD.

24. A parameter configuration method, comprising: A network-side device sends first information to a terminal; The first information is used to configure and / or indicate a set of transmission parameters for a target type of time domain unit, or the first information is used to configure and / or indicate a set of transmission parameters for a target type of time domain unit and a target TRP; the transmission parameters include at least one of the following: uplink transmission parameters, joint transmission parameters, and downlink transmission parameters; The target type of time domain unit is any type of time domain unit or each type of time domain unit in a type of time domain unit related to SBFD; The target TRP is any one or each of the TRPs involved in data transmission and reception between the terminal and the network-side device.

25. The method of claim 24, wherein, The network-side device sends first information to a terminal, comprising: The network-side device sends the first information to the terminal through first configuration information, and the first configuration information is used to configure a set of transmission parameters for the target type of time domain unit.

26. The method of claim 24, wherein, The network-side device sends first information to a terminal, comprising: The network-side device sends second configuration information to the terminal, and the second configuration information is used to configure at least one set of transmission parameters for the target type of time domain unit; The network-side device sends a first MAC CE to the terminal, the first MAC CE being used to map a set of transmission parameters corresponding to the target type of time domain unit to a single valid candidate code point of a target field in DCI used to indicate transmission parameters; and the first information is determined according to the second configuration information and the first MAC CE.

27. The method of claim 24, wherein, The network-side device sends first information to the terminal, including: The network-side device sends third configuration information to the terminal, the third configuration information being used to configure at least one set of transmission parameters for the target type of time domain unit; The network-side device sends a second MAC CE to the terminal, the second MAC CE being used to map multiple sets of transmission parameters corresponding to the target type of time domain unit to multiple valid candidate code points of a target field in DCI used to indicate transmission parameters respectively; The network-side device sends a first DCI to the terminal, the first DCI being used to indicate transmission parameters to which the target type of time domain unit applies target code point mapping, the target code point being a valid candidate code point corresponding to a code point indicated by a target field in the first DCI among the multiple valid candidate code points; and the first information is determined according to the third configuration information, the second MAC CE and the first DCI.

28. The method of claim 26 or 27, wherein, The mapping manner adopted by the first MAC CE or the second MAC CE includes any one of the following: Each MAC CE maps transmission parameters corresponding to candidate code points in a target field only for one type of time domain unit; Each MAC CE simultaneously maps transmission parameters corresponding to candidate code points in a target field for multiple types of time domain units or all types of time domain units in time domain units for which corresponding transmission parameters need to be indicated.

29. The method of claim 27, wherein, The indication manner adopted by the first DCI includes any one of the following: Each DCI indicates application of transmission parameters corresponding to a target code point only for one type of time domain unit; Each DCI simultaneously indicates application of transmission parameters corresponding to a target code point for multiple types of time domain units or all types of time domain units in time domain units for which corresponding transmission parameters need to be indicated.

30. The method of claim 24, wherein, The network-side device sends first information to the terminal, including: The network-side device sends the first information to the terminal through fourth configuration information, the fourth configuration information being used to configure a set of transmission parameters for the target type of time domain unit and the target TRP.

31. The method of claim 24, wherein, The network-side device sends first information to the terminal, including: The network-side device sends fifth configuration information to the terminal, the fifth configuration information being used to configure at least one set of transmission parameters for the target type of time domain unit and the target TRP; The network-side device sends a third MAC CE to the terminal, the third MAC CE being used to map a set of transmission parameters corresponding to the target type of time domain unit and the target TRP to a single valid candidate code point in a target field in DCI used to indicate transmission parameters; and the first information is determined according to the fifth configuration information and the third MAC CE.

32. The method of claim 24, wherein, The network-side device sends first information to the terminal, including: The network-side device sends sixth configuration information to the terminal, and the sixth configuration information is used for configuring at least one set of transmission parameters for the target type of time domain unit and the target TRP; The network-side device sends a fourth MAC CE to the terminal, and the fourth MAC CE is used for mapping multiple sets of transmission parameters corresponding to the target type of time domain unit and the target TRP to multiple valid candidate code points of a target field in DCI used for indicating transmission parameters; The network-side device sends a second DCI to the terminal, and the second DCI is used for indicating the transmission parameters corresponding to the target code point mapping applied to the target type of time domain unit and the target TRP, and the target code point is a valid candidate code point corresponding to the code point indicated by the target field in the second DCI; and the first information is determined according to the sixth configuration information, the fourth MAC CE, and the second DCI.

33. The method of claim 31 or 32, wherein, The mapping manner adopted by the third MAC CE or the fourth MAC CE includes any one of the following: Each MAC CE maps the transmission parameters corresponding to the candidate code points in the target field only for one type of time domain unit and one TRP; Each MAC CE maps the transmission parameters corresponding to the candidate code points in the target field for one type of time domain unit and multiple TRPs, or for one type of time domain unit and all TRPs; Each MAC CE maps the transmission parameters corresponding to the candidate code points in the target field for one TRP and multiple types of time domain units, or for one TRP and all types of time domain units; Each MAC CE maps the transmission parameters corresponding to the candidate code points in the target field for multiple types of time domain units or all types of time domain units in the time domain units for which the corresponding transmission parameters need to be indicated, and for multiple TRPs or all TRPs in the TRPs for which the corresponding transmission parameters need to be indicated.

34. The method of claim 32, wherein, The indication manner adopted by the second DCI includes at least one of the following: Each DCI indicates the transmission parameters corresponding to the target code point only for one type of time domain unit and one TRP; Each DCI indicates the transmission parameters corresponding to the target code point for one type of time domain unit and multiple TRPs, or for one type of time domain unit and all TRPs; Each DCI indicates the transmission parameters corresponding to the target code point for one TRP and multiple types of time domain units, or for one TRP and all types of time domain units; Each DCI indicates the transmission parameters corresponding to the target code point for multiple types of time domain units or all types of time domain units in the time domain units for which the corresponding transmission parameters need to be indicated, and for multiple TRPs or all TRPs in the TRPs for which the corresponding transmission parameters need to be indicated.

35. The method of any one of claims 24 to 34, wherein, Any one of the uplink transmission parameters, the joint transmission parameters, and the downlink transmission parameters includes at least one of the following: Spatial information corresponding to a target transmission of a target transmission direction of the target transmission; Uplink power control parameters; Path loss estimation reference signal information.

36. The method of claim 35, wherein, The target transmission includes any transmission corresponding to a target transmission type of a target transmission direction, or the target transmission includes at least one of a cell common transmission, a terminal group common transmission, and a terminal dedicated transmission corresponding to a target transmission type of a target transmission direction.

37. The method of claim 36, wherein, In a case where the target transmission direction is uplink, the target transmission type includes at least one of PUCCH, PUSCH, and SRS; And / or, In a case where the target transmission direction is downlink, the target transmission type includes at least one of PDCCH, PDSCH, and CSI-RS.

38. The method of any one of claims 24 to 37, wherein, The time domain unit includes at least one of the following: A time domain unit applying SBFD, wherein the time domain unit applying SBFD is a time domain unit of one duplex mode, or the time domain unit applying SBFD includes time domain units of multiple duplex modes; A time domain unit not applying SBFD.

39. A parameter configuration apparatus, comprising: a receiving module configured to receive first information; wherein the first information is used to configure and / or indicate a set of transmission parameters for a target type of time domain unit, or the first information is used to configure and / or indicate a set of transmission parameters for a target type of time domain unit and a target transmission and reception point (TRP); the transmission parameters include at least one of the following: uplink transmission parameters, joint transmission parameters, and downlink transmission parameters; the target type of time domain unit is any or each type of time domain unit in a type of time domain unit related to SBFD; and the target TRP is any or each TRP involved in data transmission and reception between a terminal and a network side device.

40. The apparatus of claim 39, wherein, The receiving module is specifically configured to: receive second configuration information, the second configuration information being used to configure at least one set of transmission parameters for the target type of time domain unit; and receive a first MAC CE, the first MAC CE being used to map a set of transmission parameters corresponding to the target type of time domain unit to a single valid candidate code point of a target field in DCI used to indicate transmission parameters; and the first information is determined according to the second configuration information and the first MAC CE.

41. The apparatus of claim 39, wherein, The receiving module is specifically configured to: receive third configuration information, the third configuration information being used to configure at least one set of transmission parameters for the target type of time domain unit; receive a second MAC CE, the second MAC CE being used to map multiple sets of transmission parameters corresponding to the target type of time domain unit to multiple valid candidate code points of a target field in DCI used to indicate transmission parameters; and receive a first DCI, the first DCI being used to indicate transmission parameters to which a target code point mapping is applied for the target type of time domain unit, the target code point being a valid candidate code point corresponding to a code point indicated by a target field in the first DCI among the multiple valid candidate code points; the first information is determined according to the third configuration information, the second MAC CE, and the first DCI. The receiving module is specifically configured to:

42. The device of claim 39, wherein, ​ receive fifth configuration information, the fifth configuration information being used for configuring at least one set of transmission parameters for the time domain unit of the target type and the target TRP; and receive third MAC CE, the third MAC CE being used for mapping one set of transmission parameters corresponding to the time domain unit of the target type and the target TRP to a single valid candidate code point of a target field in DCI used for indicating transmission parameters; the first information being determined according to the fifth configuration information and the third MAC CE.

43. The device of claim 39, wherein, The receiving module is specifically configured to: receive sixth configuration information, the sixth configuration information being used for configuring at least one set of transmission parameters for the time domain unit of the target type and the target TRP; receive fourth MAC CE, the fourth MAC CE being used for mapping multiple sets of transmission parameters corresponding to the time domain unit of the target type and the target TRP to multiple valid candidate code points of a target field in DCI used for indicating transmission parameters respectively; and receive second DCI, the second DCI being used for indicating transmission parameters to which the target code point mapping is applied for the time domain unit of the target type and the target TRP, the target code point being a valid candidate code point in the multiple valid candidate code points corresponding to the code point indicated by the target field in the second DCI; the first information being determined according to the sixth configuration information, the fourth MAC CE and the second DCI.

44. A parameter configuration apparatus, comprising: a sending module configured to send first information to a terminal; wherein the first information is used for configuring and / or indicating one set of transmission parameters for a time domain unit of a target type, or the first information is used for configuring and / or indicating one set of transmission parameters for a time domain unit of a target type and a target TRP; the transmission parameters comprising at least one of the following: uplink transmission parameters, joint transmission parameters, downlink transmission parameters; the time domain unit of the target type is any or each type of time domain unit in a time domain unit type related to SBFD; and the target TRP is any or each TRP in a TRP related to data transmission and reception between the terminal and a network side device.

45. The device of claim 44, wherein, The sending module is specifically configured to: send second configuration information to the terminal, the second configuration information being used for configuring at least one set of transmission parameters for the time domain unit of the target type; and send first MAC CE to the terminal, the first MAC CE being used for mapping one set of transmission parameters corresponding to the time domain unit of the target type to a single valid candidate code point of a target field in DCI used for indicating transmission parameters; the first information being determined according to the second configuration information and the first MAC CE.

46. The device of claim 44, wherein, The sending module is specifically configured to: send third configuration information to the terminal, the third configuration information being used for configuring at least one set of transmission parameters for the time domain unit of the target type; send second MAC CE to the terminal, the second MAC CE being used for mapping multiple sets of transmission parameters corresponding to the time domain unit of the target type to multiple valid candidate code points of a target field in DCI used for indicating transmission parameters respectively; and, sending, to the terminal, a first DCI, the first DCI being used to indicate that a target codepoint mapping of transmission parameters is applied to the time-domain unit of the target type, the target codepoint being an effective candidate codepoint in the plurality of effective candidate codepoints corresponding to a codepoint indicated by a target field in the first DCI; the first information is determined according to the third configuration information, the second MAC CE and the first DCI.

47. The device of claim 44, wherein, The sending module is specifically configured to: send, to the terminal, fifth configuration information, the fifth configuration information being used to configure at least one set of transmission parameters for the time-domain unit of the target type and the target TRP; and send, to the terminal, a third MAC CE, the third MAC CE being used to map one set of transmission parameters corresponding to the time-domain unit of the target type and the target TRP to a single effective candidate codepoint of a target field in DCI used to indicate transmission parameters; the first information is determined according to the fifth configuration information and the third MAC CE.

48. The device of claim 44, wherein, The sending module is specifically configured to: send, to the terminal, sixth configuration information, the sixth configuration information being used to configure at least one set of transmission parameters for the time-domain unit of the target type and the target TRP; send, to the terminal, a fourth MAC CE, the fourth MAC CE being used to map a plurality of sets of transmission parameters corresponding to the time-domain unit of the target type and the target TRP to a plurality of effective candidate codepoints of a target field in DCI used to indicate transmission parameters respectively; and, send, to the terminal, a second DCI, the second DCI being used to indicate that a target codepoint mapping of transmission parameters is applied to the time-domain unit of the target type and the target TRP, the target codepoint being an effective candidate codepoint in the plurality of effective candidate codepoints corresponding to a codepoint indicated by a target field in the second DCI; the first information is determined according to the sixth configuration information, the fourth MAC CE and the second DCI.

49. A terminal comprising a processor and a memory, the memory storing programs or instructions executable on the processor, the programs or instructions being executed by the processor to implement the steps of the parameter configuration method according to any one of claims 1 to 23.

50. A network-side device comprising a processor and a memory, the memory storing programs or instructions executable on the processor, the programs or instructions being executed by the processor to implement the steps of the parameter configuration method according to any one of claims 24 to 38.

51. A readable storage medium, the readable storage medium storing programs or instructions, the programs or instructions being executed by a processor to implement the steps of the parameter configuration method according to any one of claims 1 to 23, or to implement the steps of the parameter configuration method according to any one of claims 24 to 38.

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