Signal transmission method, terminal, network equipment, device and storage medium

Abstract

The embodiments of the present application provide a signal transmission method, terminal, network equipment, apparatus and storage medium, the method comprising: detecting downlink control information DCI that triggers the transmission of a first signal; determining the time-frequency parameters of a physical downlink control channel PDCCH corresponding to the DCI or the type of the DCI; determining a time-domain transmission position for transmitting the first signal based on the time-frequency parameters or the type of the DCI; and sending or receiving the first signal at the time-domain transmission position. The embodiments of the present application provide a signal transmission method, terminal, network equipment, apparatus and storage medium, which detects DCI according to PDCCH configuration information, and when detecting that a certain DCI includes first signal trigger signaling, determines the time-domain transmission position for transmitting the first signal according to the time-frequency parameters of the PDCCH that transmits the DCI or the type of DCI, thereby improving the flexibility of triggering the transmission of the first signal through DCI.

Description

Technical Field

[0001] The present application relates to the field of communication technology, and in particular to a signal transmission method, terminal, network equipment, device and storage medium. Background Art

[0002] In existing communication systems, the reference signals configured by the base station for terminals are not always available. Certain reference signals can only be transmitted after being triggered or activated. If the base station configures a reference signal for a terminal and sends trigger or activation signaling for that reference signal to the terminal, upon receiving the signaling, the terminal must determine the reference signal transmission time based on the predefined timing relationship between reference signal triggering and transmission, or the timing relationship signaling indicated by the base station.

[0003] Since the configuration of Radio Resource Control (RRC) signaling is semi-static, configuring the trigger offset value of the reference signal through RRC signaling makes the triggering of the reference signal inflexible. In addition, in the Time Division Duplex (TDD) mode, if the time slot n+n offset For downlink / uplink time slot, time slot n+n offset The SRS uplink / downlink reference signal cannot be transmitted. To avoid the reference signal being unable to be transmitted, the base station needs to send downlink control information (DCI) at a limited time domain location, thus reducing the flexibility of triggering reference signal transmission through DCI. Summary of the Invention

[0004] Embodiments of the present application provide a signal transmission method, terminal, network device, apparatus, and storage medium to solve the technical problem of poor flexibility in triggering reference signal transmission through DCI in the prior art.

[0005] In a first aspect, an embodiment of the present application provides a signal transmission method, including:

[0006] detecting downlink control information DCI triggering transmission of a first signal;

[0007] Determining time-frequency parameters of a physical downlink control channel (PDCCH) corresponding to the DCI or the type of the DCI;

[0008] Determining a time domain transmission position for transmitting the first signal based on the time-frequency parameter or the type of the DCI;

[0009] The first signal is sent or received at the time domain transmission location.

[0010] Optionally, according to the signal transmission method of an embodiment of the present application, the time domain transmission position is a time unit for transmitting the first signal.

[0011] Optionally, according to a signal transmission method according to an embodiment of the present application, determining a time domain transmission position for transmitting the first signal based on the time-frequency parameters specifically includes:

[0012] determining a time unit offset value based on the time-frequency parameters;

[0013] A time domain transmission position for transmitting the first signal is determined according to the time unit offset value.

[0014] Optionally, according to the signal transmission method of an embodiment of the present application, determining the time domain transmission position for transmitting the first signal based on the time-frequency parameters specifically includes:

[0015] determining a first time unit offset value based on the time-frequency parameters;

[0016] A time domain transmission position for transmitting the first signal is determined according to the first time unit offset value and the second time unit offset value, where the second time unit offset value is configured or preconfigured by a network device.

[0017] Optionally, according to the signal transmission method of an embodiment of the present application, determining the time unit offset value based on the time-frequency parameter specifically includes:

[0018] Determining the parity of the values ​​of the time-frequency parameters;

[0019] The time unit offset value is determined according to the parity of the value of the time-frequency parameter and a third time unit offset value; the third time unit offset value is the time unit offset value indicated by the network device.

[0020] Optionally, according to the signal transmission method of an embodiment of the present application, determining the time unit offset value based on the time-frequency parameter specifically includes:

[0021] Determining a time unit offset value based on the time-frequency parameter and the first signal resource;

[0022] Or, specifically including:

[0023] Determining a time unit offset value based on the time-frequency parameters and the first signal resource set;

[0024] Or, specifically including:

[0025] Determine a time unit offset value based on the time-frequency parameter, the trigger state corresponding to the DCI, and the first signal resource;

[0026] Or, specifically including:

[0027] A time unit offset value is determined based on the time-frequency parameters, a trigger state corresponding to the DCI, and a first signal resource set.

[0028] Optionally, according to the signal transmission method of an embodiment of the present application, determining the time unit offset value based on the time-frequency parameter specifically includes:

[0029] Receive a first association relationship sent by a network device; the first association relationship represents a relationship between a time-frequency parameter of a PDCCH, a first signal resource, and a time unit offset value;

[0030] Determining the time unit offset value based on the time-frequency parameter and the first association relationship;

[0031] Or, specifically including:

[0032] Receive a second association relationship sent by the network device; the second association relationship represents a relationship between the time-frequency parameters of the PDCCH, the first signal resource set, and the time unit offset value;

[0033] Determining the time unit offset value based on the time-frequency parameter and the second association relationship;

[0034] Or, specifically including:

[0035] Receive a third association relationship sent by the network device; the third association relationship represents the relationship between the time-frequency parameters of the PDCCH, the trigger state corresponding to the DCI, the first signal resource and the time unit offset value;

[0036] Determining the time unit offset value based on the time-frequency parameter and the third association relationship;

[0037] Or, specifically including:

[0038] Receive a fourth association relationship sent by the network device; the fourth association relationship represents the relationship between the time-frequency parameters of the PDCCH, the trigger state corresponding to the DCI, the first signal resource set, and the time unit offset value;

[0039] The time unit offset value is determined based on the time-frequency parameter and the fourth association relationship.

[0040] Optionally, according to the signal transmission method of an embodiment of the present application, the time-frequency parameters of the PDCCH include any one or a combination of the following:

[0041] The BWP identifier of the PDCCH bandwidth part or the BWP group identifier of the PDCCH;

[0042] The serving cell identifier of the PDCCH, the component carrier CC identifier of the PDCCH, or the CC group identifier of the PDCCH;

[0043] The identifier of the control resource set CORESET where the PDCCH is located or the identifier of the CORESET group where the PDCCH is located;

[0044] The identifier of the search space corresponding to the PDCCH or the identifier of the search space group corresponding to the PDCCH;

[0045] The identifier of the PDCCH candidate corresponding to the PDCCH or the identifier of the PDCCH candidate group corresponding to the PDCCH;

[0046] The aggregation level identifier corresponding to the PDCCH or the aggregation level group identifier corresponding to the PDCCH;

[0047] The number of symbols corresponding to the PDCCH.

[0048] In a second aspect, an embodiment of the present application further provides a signal transmission method, including:

[0049] Sending downlink control information DCI triggering first signal transmission to the terminal;

[0050] The first signal is received or sent at the time domain transmission position for transmitting the first signal; the time domain transmission position of the first signal is determined based on the time-frequency parameters of the physical downlink control channel PDCCH corresponding to the DCI or the type of the DCI.

[0051] Optionally, according to the signal transmission method of an embodiment of the present application, the time domain transmission position is a time unit for transmitting the first signal.

[0052] Optionally, according to the signal transmission method of an embodiment of the present application, the time-frequency parameters of the PDCCH include any one or a combination of the following:

[0053] The BWP identifier of the PDCCH bandwidth part or the BWP group identifier of the PDCCH;

[0054] The serving cell identifier of the PDCCH, the component carrier CC identifier of the PDCCH, or the CC group identifier of the PDCCH;

[0055] The identifier of the control resource set CORESET where the PDCCH is located or the identifier of the CORESET group where the PDCCH is located;

[0056] The identifier of the search space corresponding to the PDCCH or the identifier of the search space group corresponding to the PDCCH;

[0057] The identifier of the PDCCH candidate corresponding to the PDCCH or the identifier of the PDCCH candidate group corresponding to the PDCCH;

[0058] The aggregation level identifier corresponding to the PDCCH or the aggregation level group identifier corresponding to the PDCCH;

[0059] The number of symbols corresponding to the PDCCH.

[0060] In a third aspect, an embodiment of the present application further provides a terminal, including a memory, a transceiver, and a processor;

[0061] A memory for storing a computer program; a transceiver for transmitting and receiving data under the control of the processor; and a processor for reading the computer program in the memory and performing the following operations:

[0062] detecting downlink control information DCI triggering transmission of a first signal;

[0063] Determining time-frequency parameters of a physical downlink control channel (PDCCH) corresponding to the DCI or the type of the DCI;

[0064] Determining a time domain transmission position for transmitting the first signal based on the time-frequency parameter or the type of the DCI;

[0065] The first signal is sent or received at the time domain transmission location.

[0066] Optionally, according to a terminal of an embodiment of the present application, the time domain transmission position is a time unit for transmitting the first signal.

[0067] Optionally, according to an embodiment of the present application, the terminal determines, based on the time-frequency parameters, a time-domain transmission position for transmitting the first signal, specifically including:

[0068] determining a time unit offset value based on the time-frequency parameters;

[0069] A time domain transmission position for transmitting the first signal is determined according to the time unit offset value.

[0070] Optionally, according to a terminal of an embodiment of the present application, determining, based on the time-frequency parameters, a time-domain transmission position for transmitting the first signal specifically includes:

[0071] determining a first time unit offset value based on the time-frequency parameters;

[0072] A time domain transmission position for transmitting the first signal is determined according to the first time unit offset value and the second time unit offset value, where the second time unit offset value is configured or preconfigured by a network device.

[0073] Optionally, according to a terminal of an embodiment of the present application, determining the time unit offset value based on the time-frequency parameter specifically includes:

[0074] Determining the parity of the values ​​of the time-frequency parameters;

[0075] The time unit offset value is determined according to the parity of the value of the time-frequency parameter and a third time unit offset value; the third time unit offset value is the time unit offset value indicated by the network device.

[0076] Optionally, according to a terminal of an embodiment of the present application, determining the time unit offset value based on the time-frequency parameter specifically includes:

[0077] Determining a time unit offset value based on the time-frequency parameter and the first signal resource;

[0078] Or, specifically including:

[0079] Determining a time unit offset value based on the time-frequency parameters and the first signal resource set;

[0080] Or, specifically including:

[0081] Determine a time unit offset value based on the time-frequency parameter, the trigger state corresponding to the DCI, and the first signal resource;

[0082] Or, specifically including:

[0083] A time unit offset value is determined based on the time-frequency parameters, a trigger state corresponding to the DCI, and a first signal resource set.

[0084] Optionally, according to a terminal of an embodiment of the present application, determining the time unit offset value based on the time-frequency parameter specifically includes:

[0085] Receive a first association relationship sent by a network device; the first association relationship represents a relationship between a time-frequency parameter of a PDCCH, a first signal resource, and a time unit offset value;

[0086] Determining the time unit offset value based on the time-frequency parameter and the first association relationship;

[0087] Or, specifically including:

[0088] Receive a second association relationship sent by the network device; the second association relationship represents a relationship between the time-frequency parameters of the PDCCH, the first signal resource set, and the time unit offset value;

[0089] Determining the time unit offset value based on the time-frequency parameter and the second association relationship;

[0090] Or, specifically including:

[0091] Receive a third association relationship sent by the network device; the third association relationship represents the relationship between the time-frequency parameters of the PDCCH, the trigger state corresponding to the DCI, the first signal resource and the time unit offset value;

[0092] Determining the time unit offset value based on the time-frequency parameter and the third association relationship;

[0093] Or, specifically including:

[0094] Receive a fourth association relationship sent by the network device; the fourth association relationship represents the relationship between the time-frequency parameters of the PDCCH, the trigger state corresponding to the DCI, the first signal resource set, and the time unit offset value;

[0095] The time unit offset value is determined based on the time-frequency parameter and the fourth association relationship.

[0096] Optionally, according to a terminal in an embodiment of the present application, the time-frequency parameters of the PDCCH include any one or a combination of the following:

[0097] The BWP identifier of the PDCCH bandwidth part or the BWP group identifier of the PDCCH;

[0098] The serving cell identifier of the PDCCH, the component carrier CC identifier of the PDCCH, or the CC group identifier of the PDCCH;

[0099] The identifier of the control resource set CORESET where the PDCCH is located or the identifier of the CORESET group where the PDCCH is located;

[0100] The identifier of the search space corresponding to the PDCCH or the identifier of the search space group corresponding to the PDCCH;

[0101] The identifier of the PDCCH candidate corresponding to the PDCCH or the identifier of the PDCCH candidate group corresponding to the PDCCH;

[0102] The aggregation level identifier corresponding to the PDCCH or the aggregation level group identifier corresponding to the PDCCH;

[0103] The number of symbols corresponding to the PDCCH.

[0104] In a fourth aspect, an embodiment of the present application further provides a network device, including a memory, a transceiver, and a processor;

[0105] A memory for storing a computer program; a transceiver for transmitting and receiving data under the control of the processor; and a processor for reading the computer program in the memory and performing the following operations:

[0106] Sending downlink control information DCI triggering first signal transmission to the terminal;

[0107] The first signal is received or sent at the time domain transmission position for transmitting the first signal; the time domain transmission position of the first signal is determined based on the time-frequency parameters of the physical downlink control channel PDCCH corresponding to the DCI or the type of the DCI.

[0108] Optionally, according to a network device of an embodiment of the present application, the time domain transmission position is a time unit for transmitting the first signal.

[0109] Optionally, according to the network device of one embodiment of the present application, the time-frequency parameters of the PDCCH include any one or a combination of the following:

[0110] The BWP identifier of the PDCCH bandwidth part or the BWP group identifier of the PDCCH;

[0111] The serving cell identifier of the PDCCH, the component carrier CC identifier of the PDCCH, or the CC group identifier of the PDCCH;

[0112] The identifier of the control resource set CORESET where the PDCCH is located or the identifier of the CORESET group where the PDCCH is located;

[0113] The identifier of the search space corresponding to the PDCCH or the identifier of the search space group corresponding to the PDCCH;

[0114] The identifier of the PDCCH candidate corresponding to the PDCCH or the identifier of the PDCCH candidate group corresponding to the PDCCH;

[0115] The aggregation level identifier corresponding to the PDCCH or the aggregation level group identifier corresponding to the PDCCH;

[0116] The number of symbols corresponding to the PDCCH.

[0117] In a fifth aspect, an embodiment of the present application further provides a signal transmission device, including:

[0118] A detection module, configured to detect downlink control information DCI that triggers transmission of a first signal;

[0119] A first determining module is configured to determine the time-frequency parameters of the physical downlink control channel PDCCH corresponding to the DCI or the type of the DCI;

[0120] A second determining module, configured to determine a time domain transmission position for transmitting the first signal based on the time-frequency parameter or the type of the DCI;

[0121] The first transmission module is configured to send or receive the first signal at the time domain transmission position.

[0122] In a sixth aspect, an embodiment of the present application further provides a signal transmission device, including:

[0123] A sending module, configured to send downlink control information DCI triggering the transmission of a first signal to the terminal;

[0124] The second transmission module is used to receive or send the first signal at the time domain transmission position of transmitting the first signal; the time domain transmission position of the first signal is determined based on the time-frequency parameters of the physical downlink control channel PDCCH corresponding to the DCI or the type of the DCI.

[0125] In the seventh aspect, an embodiment of the present application further provides a processor-readable storage medium, wherein the processor-readable storage medium stores a computer program, and the computer program is used to enable the processor to execute the steps of the signal transmission method described in the first aspect or the second aspect above.

[0126] The embodiments of the present application provide a signal transmission method, terminal, network equipment, apparatus and storage medium, which detect DCI based on PDCCH configuration information. When it is detected that a certain DCI includes first signal trigger signaling, the time domain transmission position of the first signal is determined according to the time-frequency parameters of the PDCCH that transmits the DCI or the type of DCI, thereby improving the flexibility of triggering the transmission of the first signal through DCI. BRIEF DESCRIPTION OF THE DRAWINGS

[0127] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, a brief introduction will be given below to the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without any creative work.

[0128] Figure 1 This is one of the schematic diagrams of a signal transmission method provided in an embodiment of the present application;

[0129] Figure 2 This is a second schematic diagram of a signal transmission method provided in an embodiment of the present application;

[0130] Figure 3 This is a schematic diagram of the structure of a terminal provided in an embodiment of the present application;

[0131] Figure 4 This is a schematic diagram of the structure of a network device provided in an embodiment of the present application;

[0132] Figure 5 This is one of the schematic diagrams of a signal transmission device provided in an embodiment of the present application;

[0133] Figure 6 This is the second schematic diagram of a signal transmission device provided in an embodiment of the present application. DETAILED DESCRIPTION

[0134] In existing communication systems, the reference signals configured by the base station for terminals are not always present. Reference signals in certain configurations (for example, those configured as aperiodic or semi-persistent) can only be transmitted after being triggered or activated. If the base station configures a reference signal for a terminal and sends trigger or activation signaling for the reference signal to the terminal, upon receiving the signaling, the terminal must determine the reference signal transmission time based on the predefined timing relationship between reference signal triggering and transmission, or the timing relationship signaling indicated by the base station.

[0135] Taking the Sounding Reference Signal (SRS) as an example, in the New Radio (NR) system, the base station configures an aperiodic SRS (or Channel State Information-Reference Signal (CSI-RS)) resource set and aperiodic SRS ( / CSI-RS) resources for the user equipment (UE) through RRC signaling. The SRS request field (or Channel State Information (CSI) reporting field) in the DCI signaling triggers the transmission of the aperiodic SRS ( / CSI-RS) resources. When configuring the aperiodic SRS ( / CSI-RS) resource set through RRC, the RRC signaling slot offset value (or aperiodic triggering offset value) is used to configure the triggering offset value of the SRS ( / CSI-RS) resources in the aperiodic SRS ( / CSI-RS) resource set. When the base station triggers an aperiodic SRS ( / CSI-RS) resource set in time slot n through the SRS request field ( / CSI reporting field) in the DCI, the signals corresponding to all SRS ( / CSI-RS) resources in the SRS ( / CSI-RS) resource set are sent in time slot X. The calculation formula of X is as follows:

[0136]

[0137] Where X is the time domain transmission position, k is the triggering slot offset value corresponding to slotOffset ( / aperiodicTriggeringOffset) (referred to as "time slot offset value"), μ SRS is the subcarrier spacing value of the triggered SRS, μ PDCCH It is the subcarrier spacing value of the PDCCH carrying the trigger command (ie, the DCI).

[0138] Since the configuration of RRC signaling is semi-static, configuring the trigger offset value of aperiodic SRS through RRC signaling makes the triggering of SRS inflexible. In addition, in the Time Division Duplex (TDD) mode, if the time slot n+n offset For downlink slot ( / uplink slot), time slot n+n offset If SRS ( / CSI-RS) transmission cannot be performed, the UE will no longer transmit the SRS ( / CSI-RS). To avoid the failure of SRS ( / CSI-RS) transmission, this will limit the time domain location of the base station to send DCI, thereby reducing the flexibility of triggering SRS ( / CSI-RS) transmission through DCI.

[0139] Table 1 shows the relationship between the triggering time slots of the SRS-triggering PDCCH and the SRS transmission time slots for different SRS triggering time slot offset values ​​when the uplink and downlink time slots are configured as DDFUU every five time slots. D represents a downlink time slot, U represents an uplink time slot, and F represents a flexible time slot that has both an uplink and a downlink time slot. As shown in Table 1, when the triggering time slot offset value is 1, the PDCCH used to trigger aperiodic SRS can only be transmitted in the second downlink time slot or a flexible time slot.

[0140] Table 1 Position relationship between trigger time slot and transmission time slot

[0141] slot offset D D F U U 0 PDCCH SRS 1 PDCCH SRS 1 PDCCH SRS 2 PDCCH SRS 2 PDCCH SRS 2 PDCCH SRS 3 PDCCH SRS 3 PDCCH SRS 4 PDCCH SRS

[0142] In the prior art, the time slot offset value of the SRS is independent of the parameters of the PDCCH that triggers the SRS. No matter which PDCCH the base station uses to trigger the SRS corresponding to an aperiodic SRS resource, the time slot offset value corresponding to the SRS is the same.

[0143] The triggering method of the NR system's non-periodic SRS resources and the regulations on the transmission timing of non-periodic SRS resources limit the time domain position of the base station's transmission of the DCI that triggers the non-periodic SRS resources, making the triggering and transmission of non-periodic SRS resources insufficiently flexible.

[0144] Figure 1 This is one of the schematic diagrams of a signal transmission method provided in an embodiment of the present application, such as Figure 1As shown, an embodiment of the present application provides a signal transmission method, the execution subject of which may be a terminal, and the method includes:

[0145] Step 101: Detect downlink control information DCI that triggers first signal transmission.

[0146] Specifically, the network device involved in the embodiments of the present application may be a base station or a core network element. First, the base station sends PDCCH configuration information to the UE, where the configuration information includes configuration of PDCCH parameters.

[0147] The UE detects the DCI according to the PDCCH configuration information, and triggers signaling if it detects that a certain DCI includes a first signal (for example, the first signal is an SRS; for another example, the first signal is a CSI-RS).

[0148] The first signal in the embodiment of the present application may be a non-periodic uplink signal (e.g., SRS), a non-periodic downlink signal (e.g., CSI-RS, Channel State Information Interference Measurement Reference Signal (CSI-IM-RS), etc.), a semi-continuous uplink signal or a semi-continuous downlink signal, etc.

[0149] Step 102: Determine the time-frequency parameters of the physical downlink control channel PDCCH corresponding to the DCI or the type of the DCI.

[0150] Specifically, after detecting the downlink control information DCI that triggers the transmission of the first signal, the UE can determine the time-frequency parameters of the PDCCH corresponding to the DCI or the type of DCI.

[0151] The time-frequency parameters may be the bandwidth part (Bandwidth Part, BWP) identification information / BWP group identification information of the PDCCH, the component carrier (CC) identification information / CC group identification information of the PDCCH, the identification information of the control resource set (CORESET) where the PDCCH is located / the identification information of the CORESET group, the identification information of the search space (searchSpace) corresponding to the PDCCH / the identification information of the search space group, the identification information of the PDCCH candidate (candidate) corresponding to the PDCCH / the identification information of the PDCCH candidate group, the aggregation level / aggregation level group corresponding to the PDCCH, the number of symbols corresponding to the PDCCH, etc.

[0152] Step 103: Determine a time domain transmission position for transmitting the first signal based on the time-frequency parameters or the type of the DCI.

[0153] Specifically, after determining the time-frequency parameters of the PDCCH or the type of DCI, the terminal determines a time-domain transmission position for transmitting the first signal based on the time-frequency parameters or the type of DCI.

[0154] For example, the base station may configure or pre-configure the association between the time-frequency parameters and the time domain transmission position. After determining the time-frequency parameters, the terminal directly determines the time domain transmission position based on the association between the time-frequency parameters and the time domain transmission position.

[0155] For another example, a time unit offset value may be first determined according to the time-frequency parameter, and then a time domain transmission position for transmitting the first signal may be determined according to the time unit offset value.

[0156] The time domain transmission position may be a time unit for transmitting the first signal, the time unit may be a subframe or a time slot, and the time unit offset value may be a subframe offset value or a time slot offset value.

[0157] Step 104: Send or receive the first signal at the time domain transmission location.

[0158] Specifically, after determining the time domain transmission position, the terminal sends or receives the first signal at the time domain transmission position.

[0159] The base station receives or sends the first signal at the time domain transmission position.

[0160] An embodiment of the present application provides a signal transmission method, which detects DCI based on PDCCH configuration information. When it is detected that a certain DCI includes first signal trigger signaling, the time domain transmission position of the first signal is determined according to the time-frequency parameters of the PDCCH that transmits the DCI or the type of DCI, thereby improving the flexibility of triggering the transmission of the first signal through DCI.

[0161] Based on any of the foregoing embodiments, the time domain transmission position is a time unit for transmitting the first signal.

[0162] Specifically, in the embodiment of the present application, the time domain transmission position refers to the time unit for transmitting the first signal, and the time unit can be a subframe or a time slot.

[0163] An embodiment of the present application provides a signal transmission method, wherein the time domain transmission position refers to a time unit for transmitting a first signal, and the time unit may be a subframe or a time slot, further improving the flexibility of triggering the transmission of the first signal through DCI.

[0164] Based on any of the foregoing embodiments, determining a time domain transmission position for transmitting the first signal based on the time-frequency parameters specifically includes:

[0165] determining a time unit offset value based on the time-frequency parameters;

[0166] A time domain transmission position for transmitting the first signal is determined according to the time unit offset value.

[0167] Specifically, in the embodiment of the present application, the specific steps of determining the time domain transmission position for transmitting the first signal based on the time-frequency parameters are as follows:

[0168] First, a time unit offset value is determined based on the time-frequency parameters.

[0169] For example, the time unit offset value can be directly determined based on the time-frequency parameters. First, the base station configures or preconfigures the association between the time-frequency parameters and the time unit offset value. Then, after determining the time-frequency parameters, the terminal determines the time unit offset value based on the association between the time-frequency parameters and the time unit offset value.

[0170] For another example, the terminal may also determine a time unit offset value based on the time-frequency parameter and the first signal resource.

[0171] For another example, the terminal may also determine a time unit offset value based on the time-frequency parameter and the first signal resource set.

[0172] For another example, the terminal may also determine the time unit offset value based on the time-frequency parameter, the first signal resource, and the trigger state corresponding to the DCI.

[0173] For another example, the terminal may further determine the time unit offset value based on the time-frequency parameter, the first signal resource set, and the triggering state corresponding to the DCI.

[0174] Then, the time domain transmission position for transmitting the first signal is determined according to the time unit offset value. The specific method for determining the time domain transmission position for transmitting the first signal according to the time unit offset value can be the same as the existing solution and will not be repeated here.

[0175] An embodiment of the present application provides a signal transmission method, which first determines a time unit offset value based on time-frequency parameters, and then determines the time domain transmission position of the first signal based on the time unit offset value, further improving the flexibility of triggering the transmission of the first signal through DCI.

[0176] Based on any of the foregoing embodiments, determining the time domain transmission position for transmitting the first signal based on the time-frequency parameters specifically includes:

[0177] determining a first time unit offset value based on the time-frequency parameters;

[0178] A time domain transmission position for transmitting the first signal is determined according to the first time unit offset value and the second time unit offset value, where the second time unit offset value is configured or preconfigured by a network device.

[0179] Specifically, in the embodiment of the present application, the specific steps of determining the time domain transmission position for transmitting the first signal based on the time-frequency parameters are as follows:

[0180] First, a first time unit offset value is determined based on the time-frequency parameters.

[0181] Then, a time domain transmission position for transmitting the first signal is determined according to the first time unit offset value and the second time unit offset value, where the second time unit offset value is configured or preconfigured by the network device.

[0182] For example, the time unit offset value includes multiple parts, and the time-frequency parameter is associated with only one part (the first time unit offset value).

[0183] That is, the UE can only determine part of the time unit offset value according to the time-frequency parameters, and the other part of the information (the second time unit offset value) needs to be obtained through other signaling or parameters, or the other part of the information is preconfigured.

[0184] The UE can determine the time domain transmission position of the first signal only according to all the information of the time unit offset value (the first time unit offset value and the second time unit offset value).

[0185] An embodiment of the present application provides a signal transmission method, which first determines a first time unit offset value based on time-frequency parameters, and then determines the time domain transmission position of the first signal based on the first time unit offset value and the second time unit offset value, further improving the flexibility of triggering the transmission of the first signal through DCI.

[0186] Based on any of the foregoing embodiments, determining the time unit offset value based on the time-frequency parameter specifically includes:

[0187] Determining the parity of the values ​​of the time-frequency parameters;

[0188] The time unit offset value is determined according to the parity of the value of the time-frequency parameter and a third time unit offset value; the third time unit offset value is the time unit offset value indicated by the network device.

[0189] Specifically, in the embodiment of the present application, the specific steps of determining the time unit offset value based on the time-frequency parameters are as follows:

[0190] First, determine the parity of the time-frequency parameter values.

[0191] Then, the time unit offset value is determined according to the parity of the time-frequency parameter value and the third time unit offset value. The third time unit offset value is the time unit offset value indicated by the network device.

[0192] For example, the time unit offset value is calculated as follows:

[0193]

[0194] Wherein, B is the time unit offset value, A is the third time unit offset value, and m and n are both preset constants.

[0195] An embodiment of the present application provides a signal transmission method, which determines a time unit offset value based on the parity of the time-frequency parameter value and a third time unit offset value, further improving the flexibility of triggering the first signal transmission through DCI.

[0196] Based on any of the foregoing embodiments, determining the time unit offset value based on the time-frequency parameter specifically includes:

[0197] Determining a time unit offset value based on the time-frequency parameter and the first signal resource;

[0198] Or, specifically including:

[0199] Determining a time unit offset value based on the time-frequency parameters and the first signal resource set;

[0200] Or, specifically including:

[0201] Determine a time unit offset value based on the time-frequency parameter, the trigger state corresponding to the DCI, and the first signal resource;

[0202] Or, specifically including:

[0203] A time unit offset value is determined based on the time-frequency parameters, a trigger state corresponding to the DCI, and a first signal resource set.

[0204] Specifically, in the embodiment of the present application, the specific method of determining the time unit offset value based on the time-frequency parameter can adopt any of the following methods:

[0205] 1. Determine a time unit offset value based on the time-frequency parameter and the first signal resource.

[0206] For example, the base station can configure or pre-configure the association relationship between the time-frequency parameters, the first signal resource and the time unit offset value. After determining the time-frequency parameters and the first signal resource, the terminal determines the time unit offset value based on the association relationship between the time-frequency parameters, the first signal resource and the time unit offset value.

[0207] When configuring this association, the base station:

[0208] For given time-frequency parameters, a time unit offset value corresponding to each first signal resource can be configured separately. The time unit offset values ​​corresponding to different first signal resources can be the same or different. Note that for given time-frequency parameters, the base station may configure time slot offset values ​​for some first signal resources and not configure time slot offset values ​​for other first signal resources.

[0209] For a given time-frequency parameter, the same time unit offset value may also be configured for all first signal resources.

[0210] In addition, the network device may also configure a time unit offset value for the time-frequency parameters, which will not be described in detail here.

[0211] For example, for the first signal resource, a corresponding time unit offset value is configured for each value of the time-frequency parameter. The time unit offset values ​​corresponding to different values ​​of the time-frequency parameter can be the same or different. Note that for a given first signal resource, the base station may configure time slot offset values ​​for some values ​​of the time-frequency parameter, and not configure time slot offset values ​​for other values ​​of the time-frequency parameter.

[0212] 2. Determine a time unit offset value based on the time-frequency parameters and the first signal resource set.

[0213] For example, the base station can configure or pre-configure the association relationship between the time-frequency parameters, the first signal resource set and the time unit offset value. After determining the time-frequency parameters and the first signal resource set, the terminal determines the time unit offset value based on the association relationship between the time-frequency parameters, the first signal resource set and the time unit offset value.

[0214] When configuring this association, the base station:

[0215] For given time-frequency parameters, a time unit offset value corresponding to each first signal resource can be configured separately. The time unit offset values ​​corresponding to different first signal resources can be the same or different. Note that for given time-frequency parameters, the base station may configure time slot offset values ​​for some first signal resources and not configure time slot offset values ​​for other first signal resources.

[0216] It is also possible to configure a time unit offset value corresponding to each first signal resource set for a given time-frequency parameter. The time unit offset values ​​corresponding to different first signal resource sets may be the same or different, and the time unit offset values ​​corresponding to all first signal resources in the same first signal resource set are the same.

[0217] For a given time-frequency parameter, the same time unit offset value may also be configured for all first signal resources.

[0218] In addition, the network device may also configure a time unit offset value for the time-frequency parameters, which will not be described in detail here.

[0219] For example, for the first signal resource set, a corresponding time unit offset value is configured for each value of the time-frequency parameter. The time unit offset values ​​corresponding to different values ​​of the time-frequency parameter can be the same or different. Note that for a given first signal resource set, the base station may configure time slot offset values ​​for some values ​​of the time-frequency parameter, but not configure time slot offset values ​​for other values ​​of the time-frequency parameter.

[0220] 3. Determine a time unit offset value based on the time-frequency parameters, the trigger state corresponding to the DCI, and the first signal resource.

[0221] For example, the base station can configure or pre-configure the relationship between the time-frequency parameters, the trigger state corresponding to the DCI, the first signal resource and the time unit offset value. After determining the time-frequency parameters, the trigger state corresponding to the DCI and the first signal resource, the terminal determines the time unit offset value based on the relationship between the time-frequency parameters, the trigger state corresponding to the DCI, the first signal resource and the time unit offset value.

[0222] When configuring this association, the base station:

[0223] For a given time-frequency parameter and a trigger state corresponding to a DCI, a time unit offset value corresponding to each first signal resource may be configured separately. The time unit offset values ​​corresponding to different first signal resources may be the same or different. Note that for a given time-frequency parameter and a trigger state corresponding to a DCI, the base station may configure a time slot offset value for some first signal resources and not configure a time slot offset value for some first signal resources.

[0224] It is also possible to configure the same time unit offset value for all first signal resources for a given time-frequency parameter and a trigger state corresponding to the DCI.

[0225] In addition, the network device may also configure a time unit offset value for the time-frequency parameter or the trigger state corresponding to the DCI, which will not be described in detail here.

[0226] For example, for the trigger state corresponding to the first signal resource and DCI, a corresponding time unit offset value is configured for each value of the time-frequency parameter, and the time unit offset values ​​corresponding to different values ​​of the time-frequency parameter can be the same or different. Note that for a given first signal resource and trigger state corresponding to the DCI, the base station may configure time slot offset values ​​for some values ​​of the time-frequency parameter, and not configure time slot offset values ​​for other values ​​of the time-frequency parameter.

[0227] For another example, for the first signal resource and time-frequency parameter, a corresponding time unit offset value is configured for each value of the trigger state corresponding to the DCI, and the time unit offset values ​​corresponding to different values ​​of the trigger state corresponding to the DCI can be the same or different. Note that for a given first signal resource and time-frequency parameter, the base station may configure a time slot offset value for some values ​​of the trigger state corresponding to the DCI, and not configure a time slot offset value for other values ​​of the trigger state corresponding to the DCI.

[0228] 4. Determine a time unit offset value based on the time-frequency parameters, the trigger state corresponding to the DCI, and the first signal resource set.

[0229] For example, the base station can configure or pre-configure the relationship between the time-frequency parameters, the trigger state corresponding to the DCI, the first signal resource set and the time unit offset value. After determining the time-frequency parameters, the trigger state corresponding to the DCI and the first signal resource set, the terminal determines the time unit offset value based on the relationship between the time-frequency parameters, the trigger state corresponding to the DCI, the first signal resource set and the time unit offset value.

[0230] When configuring this association, the base station:

[0231] For a given time-frequency parameter and trigger state corresponding to the DCI, a time unit offset value corresponding to the first signal resource set can be configured for each first signal resource configuration. The time unit offset values ​​corresponding to different first signal resources can be the same or different. Note that for a given time-frequency parameter and trigger state corresponding to the DCI, the base station may configure a time slot offset value for some first signal resources and not configure a time slot offset value for some first signal resources.

[0232] It is also possible to configure a time unit offset value corresponding to each first signal resource set for a given time-frequency parameter and a trigger state corresponding to the DCI. The time unit offset values ​​corresponding to different first signal resource sets may be the same or different, and the time unit offset values ​​corresponding to all first signal resources in the same first signal resource set are the same.

[0233] It is also possible to configure the same time unit offset value for all first signal resources for a given time-frequency parameter and a trigger state corresponding to the DCI.

[0234] In addition, the network device may further configure a time unit offset value for the time-frequency parameter or the trigger state corresponding to the DCI, which will not be described in detail here.

[0235] For example, for the trigger state corresponding to the first signal resource set and DCI, a corresponding time unit offset value is configured for each value of the time-frequency parameter. The time unit offset values ​​corresponding to different values ​​of the time-frequency parameter can be the same or different. Note that for a given first signal resource set, the base station may configure time slot offset values ​​for some values ​​of the time-frequency parameter, and not configure time slot offset values ​​for other values ​​of the time-frequency parameter.

[0236] For another example, for the first signal resource set and time-frequency parameters, a corresponding time unit offset value is configured for each value of the trigger state corresponding to the DCI, and the time unit offset values ​​corresponding to different values ​​of the trigger state corresponding to the DCI can be the same or different. Note that for a given first signal resource set and time-frequency parameters, the base station may configure a time slot offset value for some values ​​of the trigger state corresponding to the DCI, and not configure a time slot offset value for other values ​​of the trigger state corresponding to the DCI.

[0237] An embodiment of the present application provides a signal transmission method, which determines a time unit offset value based on time-frequency parameters, a first signal resource / a first signal resource set, or determines a time unit offset value based on time-frequency parameters, a trigger state corresponding to a DCI, and a first signal resource / a first signal resource set, thereby further improving the flexibility of triggering the transmission of the first signal through DCI.

[0238] Based on any of the foregoing embodiments, determining the time unit offset value based on the time-frequency parameter specifically includes:

[0239] Receive a first association relationship sent by a network device; the first association relationship represents a relationship between a time-frequency parameter of a PDCCH, a first signal resource, and a time unit offset value;

[0240] Determining the time unit offset value based on the time-frequency parameter and the first association relationship;

[0241] Or, specifically including:

[0242] Receive a second association relationship sent by the network device; the second association relationship represents a relationship between the time-frequency parameters of the PDCCH, the first signal resource set, and the time unit offset value;

[0243] Determining the time unit offset value based on the time-frequency parameter and the second association relationship;

[0244] Or, specifically including:

[0245] Receive a third association relationship sent by the network device; the third association relationship represents the relationship between the time-frequency parameters of the PDCCH, the trigger state corresponding to the DCI, the first signal resource and the time unit offset value;

[0246] Determining the time unit offset value based on the time-frequency parameter and the third association relationship;

[0247] Or, specifically including:

[0248] Receive a fourth association relationship sent by the network device; the fourth association relationship represents the relationship between the time-frequency parameters of the PDCCH, the trigger state corresponding to the DCI, the first signal resource set, and the time unit offset value;

[0249] The time unit offset value is determined based on the time-frequency parameter and the fourth association relationship.

[0250] Specifically, in the embodiment of the present application, the specific method of determining the time unit offset value based on the time-frequency parameter can adopt any of the following methods:

[0251] 1. First, a first association relationship sent by a network device is received; the first association relationship represents the relationship between the time-frequency parameters of the PDCCH, the first signal resource, and the time unit offset value.

[0252] When configuring this association, the base station:

[0253] For given time-frequency parameters, a time unit offset value corresponding to each first signal resource can be configured separately. The time unit offset values ​​corresponding to different first signal resources can be the same or different. Note that for given time-frequency parameters, the base station may configure time slot offset values ​​for some first signal resources and not configure time slot offset values ​​for other first signal resources.

[0254] For a given time-frequency parameter, the same time unit offset value may also be configured for all first signal resources.

[0255] In addition, the network device may also configure a time unit offset value for the time-frequency parameters, which will not be described in detail here.

[0256] For the first signal resource, a corresponding time unit offset value is configured for each value of the time-frequency parameter. The time unit offset values ​​corresponding to different values ​​of the time-frequency parameter can be the same or different. Note that for a given first signal resource, the base station may configure time slot offset values ​​for some values ​​of the time-frequency parameter, but not configure time slot offset values ​​for other values ​​of the time-frequency parameter.

[0257] Then, after determining the time-frequency parameters and the first signal resource, the terminal determines the time unit offset value according to the association relationship among the time-frequency parameters, the first signal resource and the time unit offset value.

[0258] 2. First, a second association relationship sent by the network device is received; the second association relationship represents the relationship between the time-frequency parameters of the PDCCH, the first signal resource set, and the time unit offset value.

[0259] When configuring this association, the base station:

[0260] For given time-frequency parameters, a time unit offset value corresponding to each first signal resource can be configured separately. The time unit offset values ​​corresponding to different first signal resources can be the same or different. Note that for given time-frequency parameters, the base station may configure time slot offset values ​​for some first signal resources and not configure time slot offset values ​​for other first signal resources.

[0261] It is also possible to configure a time unit offset value corresponding to each first signal resource set for a given time-frequency parameter. The time unit offset values ​​corresponding to different first signal resource sets may be the same or different, and the time unit offset values ​​corresponding to all first signal resources in the same first signal resource set are the same.

[0262] For a given time-frequency parameter, the same time unit offset value may also be configured for all first signal resources.

[0263] In addition, the network device may also configure a time unit offset value for the time-frequency parameters, which will not be described in detail here.

[0264] For the first signal resource set, a corresponding time unit offset value is configured for each value of the time-frequency parameter. The time unit offset values ​​corresponding to different values ​​of the time-frequency parameter can be the same or different. Note that for a given first signal resource set, the base station may configure time slot offset values ​​for some values ​​of the time-frequency parameter, but not configure time slot offset values ​​for other values ​​of the time-frequency parameter.

[0265] Then, after determining the time-frequency parameters and the first signal resource set, the terminal determines the time unit offset value according to the association relationship among the time-frequency parameters, the first signal resource set and the time unit offset value.

[0266] 3. First, a third association relationship sent by the network device is received; the third association relationship represents the relationship between the time-frequency parameters of the PDCCH, the trigger state corresponding to the DCI, the first signal resource, and the time unit offset value.

[0267] When configuring this association, the base station:

[0268] For a given time-frequency parameter and a trigger state corresponding to a DCI, a time unit offset value corresponding to each first signal resource may be configured separately. The time unit offset values ​​corresponding to different first signal resources may be the same or different. Note that for a given time-frequency parameter and a trigger state corresponding to a DCI, the base station may configure a time slot offset value for some first signal resources and not configure a time slot offset value for some first signal resources.

[0269] It is also possible to configure the same time unit offset value for all first signal resources for a given time-frequency parameter and a trigger state corresponding to the DCI.

[0270] In addition, the network device may also configure a time unit offset value for the time-frequency parameter or the trigger state corresponding to the DCI, which will not be described in detail here.

[0271] For the trigger state corresponding to the first signal resource and DCI, a corresponding time unit offset value is configured for each value of the time-frequency parameter. The time unit offset values ​​corresponding to different values ​​of the time-frequency parameter can be the same or different. Note that for a given first signal resource and trigger state corresponding to the DCI, the base station may configure time slot offset values ​​for some values ​​of the time-frequency parameter, and not configure time slot offset values ​​for other values ​​of the time-frequency parameter.

[0272] For the first signal resource and time-frequency parameters, a corresponding time unit offset value is configured for each value of the trigger state corresponding to the DCI. The time unit offset values ​​corresponding to different values ​​of the trigger state corresponding to the DCI can be the same or different. Note that for a given first signal resource and time-frequency parameters, the base station may configure a time slot offset value for some values ​​of the trigger state corresponding to the DCI, and not configure a time slot offset value for other values ​​of the trigger state corresponding to the DCI.

[0273] Then, after determining the time-frequency parameters, the trigger state corresponding to the DCI and the first signal resource, the terminal determines the time unit offset value according to the association between the time-frequency parameters, the trigger state corresponding to the DCI, the first signal resource and the time unit offset value.

[0274] 4. First, receive a fourth association relationship sent by the network device; the fourth association relationship represents the relationship between the time-frequency parameters of the PDCCH, the trigger state corresponding to the DCI, the first signal resource set, and the time unit offset value.

[0275] When configuring this association, the base station:

[0276] For a given time-frequency parameter and trigger state corresponding to the DCI, a time unit offset value corresponding to the first signal resource set can be configured for each first signal resource configuration. The time unit offset values ​​corresponding to different first signal resources can be the same or different. Note that for a given time-frequency parameter and trigger state corresponding to the DCI, the base station may configure a time slot offset value for some first signal resources and not configure a time slot offset value for some first signal resources.

[0277] It is also possible to configure a time unit offset value corresponding to each first signal resource set for a given time-frequency parameter and a trigger state corresponding to the DCI. The time unit offset values ​​corresponding to different first signal resource sets may be the same or different, and the time unit offset values ​​corresponding to all first signal resources in the same first signal resource set are the same.

[0278] It is also possible to configure the same time unit offset value for all first signal resources for a given time-frequency parameter and a trigger state corresponding to the DCI.

[0279] In addition, the network device may further configure a time unit offset value for the time-frequency parameter or the trigger state corresponding to the DCI, which will not be described in detail here.

[0280] For the trigger state corresponding to the first signal resource set and DCI, a corresponding time unit offset value is configured for each value of the time-frequency parameter. The time unit offset values ​​corresponding to different values ​​of the time-frequency parameter can be the same or different. Note that for a given first signal resource set, the base station may configure time slot offset values ​​for some values ​​of the time-frequency parameter, and not configure time slot offset values ​​for other values ​​of the time-frequency parameter.

[0281] For the first signal resource set and time-frequency parameters, a corresponding time unit offset value is configured for each value of the trigger state corresponding to the DCI. The time unit offset values ​​corresponding to different values ​​of the trigger state corresponding to the DCI can be the same or different. Note that for a given first signal resource set and time-frequency parameters, the base station may configure a time slot offset value for some values ​​of the trigger state corresponding to the DCI, and not configure a time slot offset value for other values ​​of the trigger state corresponding to the DCI.

[0282] Then, after determining the time-frequency parameters, the trigger state corresponding to the DCI and the first signal resource set, the terminal determines the time unit offset value based on the association between the time-frequency parameters, the trigger state corresponding to the DCI, the first signal resource set and the time unit offset value.

[0283] An embodiment of the present application provides a signal transmission method, which determines a time unit offset value based on the time-frequency parameters, the first signal resource / first signal resource set, and the association relationship configured on the network side; or determines the time unit offset value based on the time-frequency parameters, the trigger state corresponding to the DCI, the first signal resource / first signal resource set, and the association relationship configured on the network side, thereby further improving the flexibility of triggering the first signal transmission through DCI.

[0284] Based on any of the foregoing embodiments, the time-frequency parameters of the PDCCH include any one or a combination of the following:

[0285] The BWP identifier of the PDCCH bandwidth part or the BWP group identifier of the PDCCH;

[0286] The serving cell identifier of the PDCCH, the component carrier CC identifier of the PDCCH, or the CC group identifier of the PDCCH;

[0287] The identifier of the control resource set CORESET where the PDCCH is located or the identifier of the CORESET group where the PDCCH is located;

[0288] The identifier of the search space corresponding to the PDCCH or the identifier of the search space group corresponding to the PDCCH;

[0289] The identifier of the PDCCH candidate corresponding to the PDCCH or the identifier of the PDCCH candidate group corresponding to the PDCCH;

[0290] The aggregation level identifier corresponding to the PDCCH or the aggregation level group identifier corresponding to the PDCCH;

[0291] The number of symbols corresponding to the PDCCH.

[0292] Specifically, in the embodiment of the present application, the time-frequency parameters of the PDCCH include any one or a combination of the following:

[0293] The BWP identifier of the PDCCH bandwidth part or the BWP group identifier of the PDCCH;

[0294] The serving cell identifier of the PDCCH, the component carrier CC identifier of the PDCCH, or the CC group identifier of the PDCCH;

[0295] The identifier of the control resource set CORESET where the PDCCH is located or the identifier of the CORESET group where the PDCCH is located;

[0296] The identifier of the search space corresponding to the PDCCH or the identifier of the search space group corresponding to the PDCCH;

[0297] The identifier of the PDCCH candidate corresponding to the PDCCH or the identifier of the PDCCH candidate group corresponding to the PDCCH;

[0298] The aggregation level identifier corresponding to the PDCCH or the aggregation level group identifier corresponding to the PDCCH;

[0299] The number of symbols corresponding to the PDCCH.

[0300] An embodiment of the present application provides a signal transmission method, in which the time-frequency parameters can be any one of the following: the BWP identifier of the PDCCH, the CC identifier where the PDCCH is located, the identifier of the CORESET where the PDCCH is located, and the identifier of the search space corresponding to the PDCCH, or a combination thereof, further improving the flexibility of triggering the first signal transmission through DCI.

[0301] Figure 2 This is a second schematic diagram of a signal transmission method provided in an embodiment of the present application, such as Figure 2 As shown, an embodiment of the present application provides a signal transmission method, which may be executed by a network device. The method includes:

[0302] Step 201: Send downlink control information DCI for triggering first signal transmission to a terminal.

[0303] Step 202: Receive or send the first signal at the time domain transmission position for transmitting the first signal; the time domain transmission position of the first signal is determined based on the time-frequency parameters of the physical downlink control channel PDCCH corresponding to the DCI or the type of the DCI.

[0304] Specifically, a signal transmission method provided in an embodiment of the present application is the same as the method described in the above corresponding embodiments, and can achieve the same technical effect. The only difference is that the execution subject is different. The parts and beneficial effects of this embodiment that are the same as the above corresponding method embodiments will not be described in detail here.

[0305] Based on any of the foregoing embodiments, the time domain transmission position is a time unit for transmitting the first signal.

[0306] Specifically, a signal transmission method provided in an embodiment of the present application is the same as the method described in the above corresponding embodiments, and can achieve the same technical effect. The only difference is that the execution subject is different. The parts and beneficial effects of this embodiment that are the same as the above corresponding method embodiments will not be described in detail here.

[0307] Based on any of the foregoing embodiments, the time-frequency parameters of the PDCCH include any one or a combination of the following:

[0308] The BWP identifier of the PDCCH bandwidth part or the BWP group identifier of the PDCCH;

[0309] The serving cell identifier of the PDCCH, the component carrier CC identifier of the PDCCH, or the CC group identifier of the PDCCH;

[0310] The identifier of the control resource set CORESET where the PDCCH is located or the identifier of the CORESET group where the PDCCH is located;

[0311] The identifier of the search space corresponding to the PDCCH or the identifier of the search space group corresponding to the PDCCH;

[0312] The identifier of the PDCCH candidate corresponding to the PDCCH or the identifier of the PDCCH candidate group corresponding to the PDCCH;

[0313] The aggregation level identifier corresponding to the PDCCH or the aggregation level group identifier corresponding to the PDCCH;

[0314] The number of symbols corresponding to the PDCCH.

[0315] Specifically, a signal transmission method provided in an embodiment of the present application is the same as the method described in the above corresponding embodiments, and can achieve the same technical effect. The only difference is that the execution subject is different. The parts and beneficial effects of this embodiment that are the same as the above corresponding method embodiments will not be described in detail here.

[0316] The following further describes the solutions in the above embodiments by taking SRS as the first signal as an example:

[0317] The base station sends PDCCH configuration information to the UE, where the configuration information includes configuration of PDCCH parameters.

[0318] The UE detects downlink control information DCI according to the PDCCH configuration information. If it is detected that a certain DCI includes SRS trigger signaling, it determines the time domain transmission position of the signal corresponding to the SRS resource / SRS resource set triggered by the SRS trigger signaling according to the time-frequency parameters of the PDCCH transmitting the DCI.

[0319] Optionally, determining the time domain transmission position of the SRS resource / SRS resource set includes determining a time slot in which the SRS transmission corresponding to the SRS resource / SRS resource set is located.

[0320] Optionally, the UE transmits an SRS corresponding to the SRS resource triggered by the SRS triggering signaling at the determined time domain transmission position.

[0321] Optionally, the UE determines the time domain transmission position of the SRS resources triggered by the SRS trigger signaling based on the time-frequency parameters of the PDCCH that transmits the DCI, including: the UE determines the association between the time-frequency parameters of the PDCCH and the time domain transmission position of the SRS resources / SRS resource set, and the UE determines the time domain transmission position of the SRS resources / SRS resource set based on the association and the time-frequency parameters of the PDCCH.

[0322] Optionally, the association between the time-frequency parameters of the PDCCH and the time-domain transmission position of the SRS resource / SRS resource set is predefined by the protocol.

[0323] The UE determines the association relationship according to the rules predefined by the protocol. For example, the predefined rules are:

[0324] The UE determines the time domain transmission position of the SRS resource / SRS resource set based on the time slot offset value of the SRS resource / SRS resource set. The time slot offset value of the SRS resource / SRS resource set corresponding to the PDCCH with an odd time-frequency parameter value is the first time slot offset value indicated by the RRC signaling or MAC-CE signaling plus the time slot offset value of m time slots; the time slot offset value of the SRS resource / SRS resource set corresponding to the PDCCH with an even time-frequency parameter value is the first time slot offset value indicated by the RRC signaling or MAC-CE signaling plus the time slot offset value of n time slots; m and n are both predefined values.

[0325] Optionally, the association between the time-frequency parameters of the PDCCH and the time-domain transmission position of the SRS resource / SRS resource set is indicated by the base station through signaling.

[0326] The UE determines the association relationship according to the instruction of the base station.

[0327] For example, the base station indicates the time slot offset value of the SRS / SRS resource set for each value of the time-frequency parameter.

[0328] For another example, the base station indicates the second time slot offset value of the SRS / SRS resource set for each value of the time-frequency parameter, and the time slot offset value is the first time slot offset value configured by the base station for the SRS resource / SRS resource set plus the second time slot offset value.

[0329] For another example, the base station groups the values ​​of the time-frequency parameters and indicates the time slot offset value of the SRS / SRS resource set for each group.

[0330] For another example, the base station groups the values ​​of the time-frequency parameters and indicates the second time slot offset value of the SRS / SRS resource set for each group. The time slot offset value is the first time slot offset value configured by the base station for the SRS resource / SRS resource set plus the second time slot offset value.

[0331] Optionally, the time slot offset value of the SRS resource / SRS resource set refers to the time interval between the time slot where the SRS of the SRS resource / SRS resource set is transmitted and the time slot where the DCI triggering the SRS resource / SRS resource set is located.

[0332] Optionally, the time slot offset value includes multiple components, and the time-frequency parameters are associated with only a portion of these components. In other words, the UE can only determine a portion of the time slot offset value for the SRS resource / SRS resource set based on the time-frequency parameters. The remaining portion must be obtained through other signaling or parameters. The UE can only determine the time domain transmission position of the SRS resource / SRS resource set based on all the information about the time slot offset value.

[0333] Optionally, the base station sends to the UE an association relationship between the time-frequency parameters of the PDCCH and the time slot offset of the SRS resource / SRS resource set.

[0334] Optionally, the base station determines the association between the time-frequency parameters of the PDCCH and the time slot offset value of the SRS resource / SRS resource set, and determines the time domain position of the DCI that triggers the SRS resource and / or the transmission position of the SRS resource based on the association.

[0335] Optionally, the first parameter of the PDCCH is the BWP identification information / BWP group identification information of the PDCCH. In this case, the base station can configure the time slot offset of the SRS resources / SRS resource set per BWP / per BWP group for the UE. By configuring the same or different time slot offset values ​​for different BWPs, the base station can determine the location of the DCI triggering the aperiodic SRS based on the downlink control information load, thereby avoiding downlink control information congestion and improving the flexibility of aperiodic SRS triggering. When the BWP group is a BWP group, the BWP group grouping method is predefined or determined by the base station. Optionally, the base station sends the BWP grouping method to the UE.

[0336] a. Optionally, for each BWP / BWP group, the base station can configure a time slot offset value per SRS resource. That is, the base station can configure a time slot offset value for each SRS resource. Note that the base station may configure a time slot offset value for some SRS resources and not for others.

[0337] b. Optionally, for each BWP / BWP group, the base station can configure a time slot offset value per SRS resource set. That is, the base station can configure a time slot offset value for each SRS resource set. Note that the base station may configure a time slot offset value for some SRS resource sets and not for others.

[0338] c. Optionally, for each BWP / BWP group, the base station configures an SRS time slot offset value, which is applicable to all SRS resources / SRS resource sets triggered by each PDCCH transmitted on the BWP / BWP group.

[0339] d. Optionally, for each BWP / BWP group, the base station configures an association between the SRS triggering state and the SRS time slot offset value. Optionally, this association applies to all SRS resources / SRS resource sets triggered by each PDCCH transmitted on the BWP. Optionally, the base station configures a per-BWP / per-BWP group association for SRS resources / SRS resource sets transmitted on different BWPs / BWP groups. Optionally, the base station configures a per-CC association for SRS resources / SRS resource sets transmitted on different component carriers (CCs). Optionally, the base station configures a per-SRS resource / per-SRS resource set association for each SRS resource / SRS resource set.

[0340] Optionally, the first parameter of the PDCCH is the CC identification information / CC group identification information of the PDCCH. In this case, the base station can configure the time slot offset of the SRS resources / SRS resource set per CC / per CC group for the UE, that is, configure a dedicated SRS resource / SRS resource set time slot offset for each CC. By configuring the same or different time slot offset values ​​for different CCs, the base station can determine the position of the DCI that triggers the aperiodic SRS based on the load of the downlink control information, thereby avoiding congestion of the downlink control information and improving the flexibility of the aperiodic SRS triggering. When it is a CC group, the grouping method of the CC group is predefined or determined by the base station. Optionally, the base station sends the CC grouping method to the UE.

[0341] The manner in which the base station configures the time slot offset value is similar to the above four cases a, b, c and d, and will not be repeated here.

[0342] Optionally, the first parameter of the PDCCH is the identifier of the CORESET / CORESET group to which the PDCCH is located. In this case, the base station can configure the time slot offset of the SRS resource / SRS resource set per CORESET for the UE. By configuring the same or different time slot offset values ​​for different CORESETs, the base station can determine the location of the DCI triggering the aperiodic SRS based on the downlink control information load, thereby avoiding downlink control information congestion and improving the flexibility of aperiodic SRS triggering.

[0343] The manner in which the base station configures the time slot offset value is similar to the above four cases a, b, c and d, and will not be repeated here.

[0344] Optionally, the first parameter of the PDCCH is the identifier of the search space / search space group corresponding to the PDCCH. In this case, the base station can configure the time slot offset of the SRS resources / SRS resource set per search space for the UE. By configuring the same or different time slot offset values ​​for different search spaces, the base station can determine the location of the DCI triggering the aperiodic SRS based on the downlink control information load, thereby avoiding downlink control information congestion and improving the flexibility of aperiodic SRS triggering.

[0345] The manner in which the base station configures the time slot offset value is similar to the above four cases a, b, c and d, and will not be repeated here.

[0346] Optionally, the first parameter of the PDCCH is the identification information of the PDCCH candidate PDCCH candidate corresponding to the PDCCH / the identification information of the PDCCH candidate group. At this time, the base station can configure the time slot offset of the SRS resource / SRS resource set per PDCCH candidate / PDCCHcandidate group for the UE. By configuring the same or different time slot offset values ​​for different PDCCH candidates / PDCCH candidate groups, the base station can determine the position of the DCI that triggers the non-periodic SRS according to the load of the downlink control information, thereby avoiding congestion of the downlink control information and improving the flexibility of the non-periodic SRS triggering. Optionally, the identification information of the PDCCH candidate is its identification on the CORESET to which it corresponds. Optionally, the identification information of the PDCCH candidate is its identification on the search space to which it corresponds.

[0347] The manner in which the base station configures the time slot offset value is similar to the above four cases a, b, c and d, and will not be repeated here.

[0348] Optionally, the first parameter of the PDCCH is the aggregation level / aggregation level group corresponding to the PDCCH. In this case, the base station can configure the time slot offset of the SRS resources / SRS resource sets per aggregation level for the UE. By configuring the same or different time slot offset values ​​for different aggregation levels / aggregation level groups, the base station can determine the location of the DCI triggering the aperiodic SRS based on the downlink control information load, thereby avoiding downlink control information congestion and improving the flexibility of aperiodic SRS triggering.

[0349] The manner in which the base station configures the time slot offset value is similar to the above four cases a, b, c and d, and will not be repeated here.

[0350] Optionally, the first parameter of the PDCCH is the number of symbols corresponding to the PDCCH. In this case, the base station may configure a time slot offset of an SRS resource / SRS resource set per the number of PDCCH symbols for the UE.

[0351] The manner in which the base station configures the time slot offset value is similar to the above four cases a, b, c and d, and will not be repeated here.

[0352] The following further illustrates the methods in the above embodiments by taking the CC identifier as the time-frequency parameter as an example:

[0353] The base station sends PDCCH configuration information to the UE, where the configuration information includes configuration of PDCCH parameters.

[0354] The UE detects downlink control information (DCI) based on the PDCCH configuration information. If it detects that a certain DCI includes SRS trigger signaling, it determines the time domain transmission position of the SRS triggered by the trigger signaling based on the identifier of the CC where the PDCCH transmitting the DCI is located. Optionally, the UE determines the transmission time slot corresponding to the SRS resource set, and then determines the time domain transmission position of the SRS based on the configuration of the SRS resources in the SRS resource set.

[0355] Optionally, the UE transmits the SRS at the determined time domain transmission position.

[0356] Optionally, the UE determines an association relationship between a CC of a PDCCH and a time-domain transmission position of an SRS, and determines the time-domain transmission position of the SRS according to the association relationship and a CC identifier of the PDCCH.

[0357] Optionally, the association relationship between the CC of the PDCCH and the time domain transmission position of the SRS is predefined by a protocol, and the UE determines the association relationship according to a rule predefined by the protocol.

[0358] For example, the predefined rule is: the UE determines the time domain transmission position of the SRS based on the time slot offset value of the SRS resource / SRS resource set, the time slot offset value of the SRS resource / SRS resource set corresponding to the PDCCH with an odd CC identifier value is the first time slot offset value indicated by the RRC signaling or MAC-CE signaling plus the time slot offset value of m time slots; the time slot offset value of the SRS resource / SRS resource set corresponding to the PDCCH with an even CC identifier value is the first time slot offset value indicated by the RRC signaling or MAC-CE signaling plus the time slot offset value of n time slots; m and n are both predefined values.

[0359] Optionally, the association relationship between the CC of the DCCH and the time domain transmission position of the SRS is indicated by the base station through signaling, and the UE determines the association relationship according to the indication of the base station.

[0360] For example, the base station indicates the time slot offset value of the SRS / SRS resource set for the CC where the PDCCH is located.

[0361] For another example, the base station indicates the second time slot offset value of the SRS / SRS resource set for the CC where the PDCCH is located. The time slot offset value is the first time slot offset value configured by the base station for the SRS resource / SRS resource set plus the second time slot offset value.

[0362] For another example, the base station groups the values ​​of the CC identifiers and indicates the time slot offset value of the SRS / SRS resource set for each group.

[0363] For another example, the base station groups the CC identifier values ​​and indicates the second time slot offset value of the SRS / SRS resource set for each group. The time slot offset value is the first time slot offset value configured by the base station for the SRS resource / SRS resource set plus the second time slot offset value.

[0364] Optionally, the time slot offset value for transmitting an SRS resource / SRS resource set refers to the time interval between the time slot of the SRS corresponding to the SRS resource / SRS resource set and the time slot where the DCI triggering the SRS resource / SRS resource set is located.

[0365] Optionally, the time slot offset value includes multiple parts, and the time-frequency parameters are associated with only a part of them. That is to say, the UE can only determine part of the information of the time slot offset value of the SRS resource / SRS resource set based on the time-frequency parameters, and the other part of the information needs to be obtained through other signaling or parameters. The UE can only determine the time domain transmission position of the SRS resource / SRS resource set based on all the information of the time slot offset value. For example, the base station indicates a first time slot offset value for an SRS resource set through an SRS resource set configuration, and the UE can determine a second time slot offset value based on the association between the time-frequency parameters and the time slot offset value of the SRS resource set. The time slot offset value of the SRS resource set is the first time slot offset value plus the second time slot offset value.

[0366] Optionally, the base station sends the association relationship between the CC where the PDCCH is located and the time slot offset of the SRS resource / SRS resource set to the UE.

[0367] Optionally, the base station determines the association between the CC where the PDCCH is located and the time slot offset value of the SRS resource / SRS resource set, and determines the time domain position of the DCI that triggers the SRS resource and / or the transmission position of the SRS resource based on the association.

[0368] Optionally, for the CC where the PDCCH is located, the base station configures a time slot offset value per SRS resource for the SRS resources that can be triggered by the PDCCH. That is, the base station configures a time slot offset value for each SRS resource separately. Note that the base station may configure a time slot offset value for some SRS resources and not configure a time slot offset value for some SRS resources.

[0369] Optionally, for the CC where the PDCCH is located, the base station configures a time slot offset value per SRS resource set that can be triggered by the SRS resource set. That is, the base station can configure a time slot offset value for each SRS resource set separately. Note that the base station may configure a time slot offset value for some SRS resource sets and not configure a time slot offset value for some SRS resource sets.

[0370] Optionally, for the CC where the PDCCH is located, the base station configures an SRS time slot offset value, and all SRS resources / SRS resource sets triggered by each PDCCH on the CC use the SRS time slot offset value.

[0371] Optionally, for the BWP where the PDCCH is located, the base station configures an SRS time slot offset value, and all SRS resources / SRS resource sets triggered by each PDCCH on the BWP use the SRS time slot offset value.

[0372] Optionally, for each BWP of the CC where the PDCCH is located, the base station configures an SRS time slot offset value, and all SRS resources / SRS resource sets transmitted on a BWP on the CC use the SRS time slot offset value corresponding to the BWP.

[0373] Optionally, for the CC where the PDCCH is located, the base station configures an association between the SRS trigger state and the SRS time slot offset value. Optionally, one set of associations applies to all SRS resources / SRS resource sets triggered by each PDCCH transmitted on the CC group; Optionally, the base station configures a per-BWP association for the SRS resources / SRS resource sets transmitted on the CC, i.e., different associations between the SRS trigger state and the SRS time slot offset value can be configured for different BWPs; Optionally, the base station configures a per-SRS resource / per-SRS resource set association for each SRS resource / SRS resource set, i.e., different associations between the SRS trigger state and the SRS time slot offset value can be configured for different BWPs.

[0374] Optionally, the actual transmission time slot of the SRS is the time slot where the DCI is located plus the time slot offset value determined above.

[0375] Figure 3This is a schematic diagram of the structure of a terminal provided in an embodiment of the present application. Figure 3 As shown, the terminal includes a memory 320, a transceiver 300, and a processor 310:

[0376] The memory 320 is used to store computer programs; the transceiver 300 is used to send and receive data under the control of the processor 310; the processor 310 is used to read the computer program in the memory 320 and perform the following operations:

[0377] detecting downlink control information DCI triggering transmission of a first signal;

[0378] Determining time-frequency parameters of a physical downlink control channel (PDCCH) corresponding to the DCI or the type of the DCI;

[0379] Determining a time domain transmission position for transmitting the first signal based on the time-frequency parameter or the type of the DCI;

[0380] The first signal is sent or received at the time domain transmission location.

[0381] Specifically, the transceiver 300 is configured to receive and send data under the control of the processor 310 .

[0382] Among them, Figure 3 In the embodiment, the bus architecture may include any number of interconnected buses and bridges, specifically linking together various circuits of one or more processors represented by processor 310 and memory represented by memory 320. The bus architecture may also link together various other circuits such as peripheral devices, voltage regulators, and power management circuits, which are well known in the art and therefore will not be described further herein. The bus interface provides an interface. The transceiver 300 may be a plurality of components, namely a transmitter and a receiver, providing a unit for communicating with various other devices on a transmission medium, such as a wireless channel, a wired channel, an optical cable, and the like. For different user devices, the user interface 330 may also be an interface capable of connecting external or internal devices as required, and the connected devices include but are not limited to a keypad, a display, a speaker, a microphone, a joystick, and the like.

[0383] The processor 310 is responsible for managing the bus architecture and general processing, and the memory 320 can store data used by the processor 310 when performing operations.

[0384] Optionally, the processor 310 may be a CPU (central processing unit), an ASIC (Application Specific Integrated Circuit), an FPGA (Field-Programmable Gate Array) or a CPLD (Complex Programmable Logic Device), and the processor may also adopt a multi-core architecture.

[0385] The processor calls the computer program stored in the memory to execute any of the methods provided in the embodiments of the present application according to the obtained executable instructions. The processor and the memory can also be arranged physically separately.

[0386] It should be noted here that the above-mentioned terminal provided in the embodiment of the present application can implement all the method steps implemented in the above-mentioned method embodiment and can achieve the same technical effects. The parts and beneficial effects that are the same as those in the method embodiment will not be described in detail here.

[0387] Based on any of the foregoing embodiments, the time domain transmission position is a time unit for transmitting the first signal.

[0388] Specifically, the above-mentioned terminal provided in the embodiment of the present application can implement all the method steps implemented in the above-mentioned method embodiment and can achieve the same technical effect. The parts and beneficial effects that are the same as those in the method embodiment will not be described in detail here.

[0389] Based on any of the foregoing embodiments, determining a time domain transmission position for transmitting the first signal based on the time-frequency parameters specifically includes:

[0390] determining a time unit offset value based on the time-frequency parameters;

[0391] A time domain transmission position for transmitting the first signal is determined according to the time unit offset value.

[0392] Specifically, the above-mentioned terminal provided in the embodiment of the present application can implement all the method steps implemented in the above-mentioned method embodiment and can achieve the same technical effect. The parts and beneficial effects that are the same as those in the method embodiment will not be described in detail here.

[0393] Based on any of the foregoing embodiments, determining the time domain transmission position for transmitting the first signal based on the time-frequency parameters specifically includes:

[0394] determining a first time unit offset value based on the time-frequency parameters;

[0395] A time domain transmission position for transmitting the first signal is determined according to the first time unit offset value and the second time unit offset value, where the second time unit offset value is configured or preconfigured by a network device.

[0396] Specifically, the above-mentioned terminal provided in the embodiment of the present application can implement all the method steps implemented in the above-mentioned method embodiment and can achieve the same technical effect. The parts and beneficial effects that are the same as those in the method embodiment will not be described in detail here.

[0397] Based on any of the foregoing embodiments, determining the time unit offset value based on the time-frequency parameter specifically includes:

[0398] Determining the parity of the values ​​of the time-frequency parameters;

[0399] The time unit offset value is determined according to the parity of the value of the time-frequency parameter and a third time unit offset value; the third time unit offset value is the time unit offset value indicated by the network device.

[0400] Specifically, the above-mentioned terminal provided in the embodiment of the present application can implement all the method steps implemented in the above-mentioned method embodiment and can achieve the same technical effect. The parts and beneficial effects that are the same as those in the method embodiment will not be described in detail here.

[0401] Based on any of the foregoing embodiments, determining the time unit offset value based on the time-frequency parameter specifically includes:

[0402] Determining a time unit offset value based on the time-frequency parameter and the first signal resource;

[0403] Or, specifically including:

[0404] Determining a time unit offset value based on the time-frequency parameters and the first signal resource set;

[0405] Or, specifically including:

[0406] Determine a time unit offset value based on the time-frequency parameter, the trigger state corresponding to the DCI, and the first signal resource;

[0407] Or, specifically including:

[0408] A time unit offset value is determined based on the time-frequency parameters, a trigger state corresponding to the DCI, and a first signal resource set.

[0409] Specifically, the above-mentioned terminal provided in the embodiment of the present application can implement all the method steps implemented in the above-mentioned method embodiment and can achieve the same technical effect. The parts and beneficial effects that are the same as those in the method embodiment will not be described in detail here.

[0410] Based on any of the foregoing embodiments, determining the time unit offset value based on the time-frequency parameter specifically includes:

[0411] Receive a first association relationship sent by a network device; the first association relationship represents a relationship between a time-frequency parameter of a PDCCH, a first signal resource, and a time unit offset value;

[0412] Determining the time unit offset value based on the time-frequency parameter and the first association relationship;

[0413] Or, specifically including:

[0414] Receive a second association relationship sent by the network device; the second association relationship represents a relationship between the time-frequency parameters of the PDCCH, the first signal resource set, and the time unit offset value;

[0415] Determining the time unit offset value based on the time-frequency parameter and the second association relationship;

[0416] Or, specifically including:

[0417] Receive a third association relationship sent by the network device; the third association relationship represents the relationship between the time-frequency parameters of the PDCCH, the trigger state corresponding to the DCI, the first signal resource and the time unit offset value;

[0418] Determining the time unit offset value based on the time-frequency parameter and the third association relationship;

[0419] Or, specifically including:

[0420] Receive a fourth association relationship sent by the network device; the fourth association relationship represents the relationship between the time-frequency parameters of the PDCCH, the trigger state corresponding to the DCI, the first signal resource set, and the time unit offset value;

[0421] The time unit offset value is determined based on the time-frequency parameter and the fourth association relationship.

[0422] Specifically, the above-mentioned terminal provided in the embodiment of the present application can implement all the method steps implemented in the above-mentioned method embodiment and can achieve the same technical effect. The parts and beneficial effects that are the same as those in the method embodiment will not be described in detail here.

[0423] Based on any of the foregoing embodiments, the time-frequency parameters of the PDCCH include any one or a combination of the following:

[0424] The BWP identifier of the PDCCH bandwidth part or the BWP group identifier of the PDCCH;

[0425] The serving cell identifier of the PDCCH, the component carrier CC identifier of the PDCCH, or the CC group identifier of the PDCCH;

[0426] The identifier of the control resource set CORESET where the PDCCH is located or the identifier of the CORESET group where the PDCCH is located;

[0427] The identifier of the search space corresponding to the PDCCH or the identifier of the search space group corresponding to the PDCCH;

[0428] The identifier of the PDCCH candidate corresponding to the PDCCH or the identifier of the PDCCH candidate group corresponding to the PDCCH;

[0429] The aggregation level identifier corresponding to the PDCCH or the aggregation level group identifier corresponding to the PDCCH;

[0430] The number of symbols corresponding to the PDCCH.

[0431] Specifically, the above-mentioned terminal provided in the embodiment of the present application can implement all the method steps implemented in the above-mentioned method embodiment and can achieve the same technical effect. The parts and beneficial effects that are the same as those in the method embodiment will not be described in detail here.

[0432] Figure 4 This is a schematic diagram of the structure of a network device provided in an embodiment of the present application. Figure 4 As shown, the network device includes a memory 420, a transceiver 400, and a processor 410:

[0433] The memory 420 is used to store computer programs; the transceiver 400 is used to send and receive data under the control of the processor 410; the processor 410 is used to read the computer program in the memory 420 and perform the following operations:

[0434] Sending downlink control information DCI triggering first signal transmission to the terminal;

[0435] The first signal is received or sent at the time domain transmission position for transmitting the first signal; the time domain transmission position of the first signal is determined based on the time-frequency parameters of the physical downlink control channel PDCCH corresponding to the DCI or the type of the DCI.

[0436] Specifically, the transceiver 400 is configured to receive and send data under the control of the processor 410 .

[0437] Among them, Figure 4In the embodiment, the bus architecture may include any number of interconnected buses and bridges, specifically linking together various circuits of one or more processors represented by processor 410 and memory represented by memory 420. The bus architecture may also link together various other circuits such as peripheral devices, voltage regulators, and power management circuits, which are all well known in the art and, therefore, will not be described further herein. The bus interface provides an interface. The transceiver 400 may be a plurality of components, i.e., a transmitter and a receiver, providing a unit for communicating with various other devices on a transmission medium, such as a wireless channel, a wired channel, an optical cable, and the like. The processor 410 is responsible for managing the bus architecture and general processing, and the memory 420 may store data used by the processor 410 when performing operations.

[0438] The processor 410 may be a central processing unit (CPU), an application specific integrated circuit (ASIC), a field programmable gate array (FPGA), or a complex programmable logic device (CPLD). The processor may also adopt a multi-core architecture.

[0439] It should be noted here that the above-mentioned network device provided in the embodiment of the present application can implement all the method steps implemented in the above-mentioned method embodiment and can achieve the same technical effect. The parts and beneficial effects of this embodiment that are the same as those in the method embodiment will not be described in detail here.

[0440] Based on any of the foregoing embodiments, the time domain transmission position is a time unit for transmitting the first signal.

[0441] Specifically, the above-mentioned network device provided in the embodiment of the present application can implement all the method steps implemented in the above-mentioned method embodiment and can achieve the same technical effect. The parts and beneficial effects of this embodiment that are the same as those in the method embodiment will not be described in detail here.

[0442] Based on any of the foregoing embodiments, the time-frequency parameters of the PDCCH include any one or a combination of the following:

[0443] The BWP identifier of the PDCCH bandwidth part or the BWP group identifier of the PDCCH;

[0444] The serving cell identifier of the PDCCH, the component carrier CC identifier of the PDCCH, or the CC group identifier of the PDCCH;

[0445] The identifier of the control resource set CORESET where the PDCCH is located or the identifier of the CORESET group where the PDCCH is located;

[0446] The identifier of the search space corresponding to the PDCCH or the identifier of the search space group corresponding to the PDCCH;

[0447] The identifier of the PDCCH candidate corresponding to the PDCCH or the identifier of the PDCCH candidate group corresponding to the PDCCH;

[0448] The aggregation level identifier corresponding to the PDCCH or the aggregation level group identifier corresponding to the PDCCH;

[0449] The number of symbols corresponding to the PDCCH.

[0450] Specifically, the above-mentioned network device provided in the embodiment of the present application can implement all the method steps implemented in the above-mentioned method embodiment and can achieve the same technical effect. The parts and beneficial effects of this embodiment that are the same as those in the method embodiment will not be described in detail here.

[0451] Figure 5 This is one of the schematic diagrams of a signal transmission device provided in an embodiment of the present application. Figure 5 As shown, the signal transmission device includes a detection module 501, a first determination module 502, a second determination module 503 and a first transmission module 504, wherein:

[0452] The detection module 501 is used to detect the downlink control information DCI that triggers the transmission of the first signal; the first determination module 502 is used to determine the time-frequency parameters of the physical downlink control channel PDCCH corresponding to the DCI or the type of the DCI; the second determination module 503 is used to determine the time domain transmission position for transmitting the first signal based on the time-frequency parameters or the type of the DCI; the first transmission module 504 is used to send or receive the first signal at the time domain transmission position.

[0453] Specifically, the above-mentioned signal transmission device provided in the embodiment of the present application can implement all the method steps implemented in the above-mentioned method embodiment, and can achieve the same technical effect. The parts and beneficial effects of this embodiment that are the same as those in the method embodiment will not be described in detail here.

[0454] Based on any of the foregoing embodiments, the time domain transmission position is a time unit for transmitting the first signal.

[0455] Specifically, the above-mentioned signal transmission device provided in the embodiment of the present application can implement all the method steps implemented in the above-mentioned method embodiment, and can achieve the same technical effect. The parts and beneficial effects of this embodiment that are the same as those in the method embodiment will not be described in detail here.

[0456] Based on any of the foregoing embodiments, determining a time domain transmission position for transmitting the first signal based on the time-frequency parameters specifically includes:

[0457] determining a time unit offset value based on the time-frequency parameters;

[0458] A time domain transmission position for transmitting the first signal is determined according to the time unit offset value.

[0459] Specifically, the above-mentioned signal transmission device provided in the embodiment of the present application can implement all the method steps implemented in the above-mentioned method embodiment, and can achieve the same technical effect. The parts and beneficial effects of this embodiment that are the same as those in the method embodiment will not be described in detail here.

[0460] Based on any of the foregoing embodiments, determining the time domain transmission position for transmitting the first signal based on the time-frequency parameters specifically includes:

[0461] determining a first time unit offset value based on the time-frequency parameters;

[0462] A time domain transmission position for transmitting the first signal is determined according to the first time unit offset value and the second time unit offset value, where the second time unit offset value is configured or preconfigured by a network device.

[0463] Specifically, the above-mentioned signal transmission device provided in the embodiment of the present application can implement all the method steps implemented in the above-mentioned method embodiment, and can achieve the same technical effect. The parts and beneficial effects of this embodiment that are the same as those in the method embodiment will not be described in detail here.

[0464] Based on any of the foregoing embodiments, determining the time unit offset value based on the time-frequency parameter specifically includes:

[0465] Determining the parity of the values ​​of the time-frequency parameters;

[0466] The time unit offset value is determined according to the parity of the value of the time-frequency parameter and a third time unit offset value; the third time unit offset value is the time unit offset value indicated by the network device.

[0467] Specifically, the above-mentioned signal transmission device provided in the embodiment of the present application can implement all the method steps implemented in the above-mentioned method embodiment, and can achieve the same technical effect. The parts and beneficial effects of this embodiment that are the same as those in the method embodiment will not be described in detail here.

[0468] Based on any of the foregoing embodiments, determining the time unit offset value based on the time-frequency parameter specifically includes:

[0469] Determining a time unit offset value based on the time-frequency parameter and the first signal resource;

[0470] Or, specifically including:

[0471] Determining a time unit offset value based on the time-frequency parameters and the first signal resource set;

[0472] Or, specifically including:

[0473] Determine a time unit offset value based on the time-frequency parameter, the trigger state corresponding to the DCI, and the first signal resource;

[0474] Or, specifically including:

[0475] A time unit offset value is determined based on the time-frequency parameters, a trigger state corresponding to the DCI, and a first signal resource set.

[0476] Specifically, the above-mentioned signal transmission device provided in the embodiment of the present application can implement all the method steps implemented in the above-mentioned method embodiment, and can achieve the same technical effect. The parts and beneficial effects of this embodiment that are the same as those in the method embodiment will not be described in detail here.

[0477] Based on any of the foregoing embodiments, determining the time unit offset value based on the time-frequency parameter specifically includes:

[0478] Receive a first association relationship sent by a network device; the first association relationship represents a relationship between a time-frequency parameter of a PDCCH, a first signal resource, and a time unit offset value;

[0479] Determining the time unit offset value based on the time-frequency parameter and the first association relationship;

[0480] Or, specifically including:

[0481] Receive a second association relationship sent by the network device; the second association relationship represents a relationship between the time-frequency parameters of the PDCCH, the first signal resource set, and the time unit offset value;

[0482] Determining the time unit offset value based on the time-frequency parameter and the second association relationship;

[0483] Or, specifically including:

[0484] Receive a third association relationship sent by the network device; the third association relationship represents the relationship between the time-frequency parameters of the PDCCH, the trigger state corresponding to the DCI, the first signal resource and the time unit offset value;

[0485] Determining the time unit offset value based on the time-frequency parameter and the third association relationship;

[0486] Or, specifically including:

[0487] Receive a fourth association relationship sent by the network device; the fourth association relationship represents the relationship between the time-frequency parameters of the PDCCH, the trigger state corresponding to the DCI, the first signal resource set, and the time unit offset value;

[0488] The time unit offset value is determined based on the time-frequency parameter and the fourth association relationship.

[0489] Specifically, the above-mentioned signal transmission device provided in the embodiment of the present application can implement all the method steps implemented in the above-mentioned method embodiment, and can achieve the same technical effect. The parts and beneficial effects of this embodiment that are the same as those in the method embodiment will not be described in detail here.

[0490] Based on any of the foregoing embodiments, the time-frequency parameters of the PDCCH include any one or a combination of the following:

[0491] The BWP identifier of the PDCCH bandwidth part or the BWP group identifier of the PDCCH;

[0492] The serving cell identifier of the PDCCH, the component carrier CC identifier of the PDCCH, or the CC group identifier of the PDCCH;

[0493] The identifier of the control resource set CORESET where the PDCCH is located or the identifier of the CORESET group where the PDCCH is located;

[0494] The identifier of the search space corresponding to the PDCCH or the identifier of the search space group corresponding to the PDCCH;

[0495] The identifier of the PDCCH candidate corresponding to the PDCCH or the identifier of the PDCCH candidate group corresponding to the PDCCH;

[0496] The aggregation level identifier corresponding to the PDCCH or the aggregation level group identifier corresponding to the PDCCH;

[0497] The number of symbols corresponding to the PDCCH.

[0498] Specifically, the above-mentioned signal transmission device provided in the embodiment of the present application can implement all the method steps implemented in the above-mentioned method embodiment, and can achieve the same technical effect. The parts and beneficial effects of this embodiment that are the same as those in the method embodiment will not be described in detail here.

[0499] Figure 6 This is a second schematic diagram of a signal transmission device provided in an embodiment of the present application. Figure 6 As shown, the signal transmission device includes a sending module 601 and a second transmission module 602, wherein:

[0500] The sending module 601 is used to send downlink control information DCI that triggers the transmission of the first signal to the terminal; the second transmission module 602 is used to receive or send the first signal at the time domain transmission position for transmitting the first signal; the time domain transmission position of the first signal is determined based on the time-frequency parameters of the physical downlink control channel PDCCH corresponding to the DCI or the type of the DCI.

[0501] Specifically, the above-mentioned signal transmission device provided in the embodiment of the present application can implement all the method steps implemented in the above-mentioned method embodiment, and can achieve the same technical effect. The parts and beneficial effects of this embodiment that are the same as those in the method embodiment will not be described in detail here.

[0502] Based on any of the foregoing embodiments, the time domain transmission position is a time unit for transmitting the first signal.

[0503] Specifically, the above-mentioned signal transmission device provided in the embodiment of the present application can implement all the method steps implemented in the above-mentioned method embodiment, and can achieve the same technical effect. The parts and beneficial effects of this embodiment that are the same as those in the method embodiment will not be described in detail here.

[0504] Based on any of the foregoing embodiments, the time-frequency parameters of the PDCCH include any one or a combination of the following:

[0505] The BWP identifier of the PDCCH bandwidth part or the BWP group identifier of the PDCCH;

[0506] The serving cell identifier of the PDCCH, the component carrier CC identifier of the PDCCH, or the CC group identifier of the PDCCH;

[0507] The identifier of the control resource set CORESET where the PDCCH is located or the identifier of the CORESET group where the PDCCH is located;

[0508] The identifier of the search space corresponding to the PDCCH or the identifier of the search space group corresponding to the PDCCH;

[0509] The identifier of the PDCCH candidate corresponding to the PDCCH or the identifier of the PDCCH candidate group corresponding to the PDCCH;

[0510] The aggregation level identifier corresponding to the PDCCH or the aggregation level group identifier corresponding to the PDCCH;

[0511] The number of symbols corresponding to the PDCCH.

[0512] Specifically, the above-mentioned signal transmission device provided in the embodiment of the present application can implement all the method steps implemented in the above-mentioned method embodiment, and can achieve the same technical effect. The parts and beneficial effects of this embodiment that are the same as those in the method embodiment will not be described in detail here.

[0513] It should be noted that the division of units / modules in the above-mentioned embodiments of the present application is schematic and is only a logical functional division. In actual implementation, there may be other division methods. In addition, the functional units in the various embodiments of the present application may be integrated into a processing unit, or each unit may exist physically separately, or two or more units may be integrated into a single unit. The above-mentioned integrated units may be implemented in the form of hardware or in the form of software functional units.

[0514] If the integrated unit is implemented in the form of a software functional unit and sold or used as an independent product, it can be stored in a processor-readable storage medium. Based on this understanding, the technical solution of the present application is essentially or the part that contributes to the prior art or all or part of the technical solution can be embodied in the form of a software product, and the computer software product is stored in a storage medium, including a number of instructions for enabling a computer device (which can be a personal computer, server, or network device, etc.) or a processor to execute all or part of the steps of the method described in each embodiment of the present application. The aforementioned storage medium includes: various media that can store program codes, such as a USB flash drive, a mobile hard disk, a read-only memory (ROM), a random access memory (RAM), a magnetic disk or an optical disk.

[0515] Based on any of the above embodiments, an embodiment of the present application further provides a processor-readable storage medium, wherein the processor-readable storage medium stores a computer program, and the computer program is used to cause the processor to execute the method provided in each of the above embodiments, including:

[0516] detecting downlink control information DCI triggering transmission of a first signal;

[0517] Determining time-frequency parameters of a physical downlink control channel (PDCCH) corresponding to the DCI or the type of the DCI;

[0518] Determining a time domain transmission position for transmitting the first signal based on the time-frequency parameter or the type of the DCI;

[0519] The first signal is sent or received at the time domain transmission location.

[0520] Or include:

[0521] Sending downlink control information DCI triggering first signal transmission to the terminal;

[0522] The first signal is received or sent at the time domain transmission position for transmitting the first signal; the time domain transmission position of the first signal is determined based on the time-frequency parameters of the physical downlink control channel PDCCH corresponding to the DCI or the type of the DCI.

[0523] It should be noted that the processor-readable storage medium can be any available medium or data storage device that can be accessed by the processor, including but not limited to magnetic storage (such as floppy disks, hard disks, magnetic tapes, magneto-optical disks (MO)), optical storage (such as CDs, DVDs, BDs, HVDs, etc.), and semiconductor storage (such as ROMs, EPROMs, EEPROMs, non-volatile memories (NAND FLASH), solid-state drives (SSDs)), etc.

[0524] It should also be noted that the term "and / or" in the embodiments of this application describes the association relationship between associated objects, indicating that three relationships can exist. For example, A and / or B can represent three situations: A exists alone, A and B exist simultaneously, and B exists alone. The character " / " generally indicates that the associated objects are in an "or" relationship.

[0525] In the embodiments of the present application, the term "plurality" refers to two or more than two, and other quantifiers are similar.

[0526] The technical solution provided in the embodiment of the present application can be applicable to a variety of systems, especially 5G systems. For example, the applicable system can be a global system of mobile communication (GSM) system, a code division multiple access (CDMA) system, a wideband code division multiple access (WCDMA) general packet radio service (GPRS) system, a long term evolution (LTE) system, a LTE frequency division duplex (FDD) system, a LTE time division duplex (TDD) system, an advanced long term evolution (LTE-A) system, a universal mobile telecommunication system (UMTS), a world-wide interoperability for microwave access (WiMAX) system, a 5G new air interface (NR) system, etc. These various systems include terminal equipment and network equipment. The system may also include a core network part, such as an evolved packet system (EPS), a 5G system (5GS), etc.

[0527] The terminal device involved in the embodiments of the present application may be a device that provides voice and / or data connectivity to a user, a handheld device with wireless connection function, or other processing devices connected to a wireless modem. In different systems, the name of the terminal device may also be different. For example, in a 5G system, the terminal device may be called a user equipment (UE). A wireless terminal device can communicate with one or more core networks (CN) via a radio access network (RAN). The wireless terminal device can be a mobile terminal device, such as a mobile phone (or "cellular" phone) and a computer with a mobile terminal device. For example, it can be a portable, pocket-sized, handheld, computer-built-in or vehicle-mounted mobile device that exchanges language and / or data with a radio access network. For example, personal communication service (PCS) phones, cordless phones, session initiation protocol (SIP) phones, wireless local loop (WLL) stations, personal digital assistants (PDAs), and other devices. The wireless terminal device may also be referred to as a system, a subscriber unit, a subscriber station, a mobile station, a mobile station, a remote station, an access point, a remote terminal device, an access terminal device, a user terminal device, a user agent, or a user device, but is not limited in the embodiments of the present application.

[0528] The network device involved in the embodiments of the present application may be a base station, which may include multiple cells providing services to terminals. Depending on the specific application scenario, the base station may also be called an access point, or may be a device in an access network that communicates with a wireless terminal device through one or more sectors on an air interface, or may be named otherwise. The network device may be used to interchange received air frames with Internet Protocol (IP) packets, acting as a router between the wireless terminal device and the rest of the access network, wherein the rest of the access network may include an Internet Protocol (IP) communication network. The network device may also coordinate attribute management of the air interface. For example, the network device involved in the embodiments of the present application may be a network device (Base Transceiver Station, BTS) in the Global System for Mobile communications (GSM) or Code Division Multiple Access (CDMA), or a network device (NodeB) in Wide-band Code Division Multiple Access (WCDMA), or an evolutionary network device (eNB or e-NodeB) in the Long Term Evolution (LTE) system, a 5G base station (gNB) in the 5G network architecture (next generation system), or a home evolved Node B (HeNB), a relay node, a home base station (femto), a pico base station (pico), etc., and is not limited in the embodiments of the present application. In some network structures, the network device may include a centralized unit (CU) node and a distributed unit (DU) node, and the centralized unit and the distributed unit may also be geographically separated.

[0529] Network devices and terminal devices can each use one or more antennas for Multiple Input Multiple Output (MIMO) transmission. MIMO transmission can be either Single User MIMO (SU-MIMO) or Multi User MIMO (MU-MIMO). Depending on the configuration and number of antenna combinations, MIMO transmission can be 2D-MIMO, 3D-MIMO, FD-MIMO, or Massive-MIMO. It can also use diversity transmission, precoding, or beamforming.

[0530] Those skilled in the art will appreciate that the embodiments of the present application can be provided as methods, systems, or computer program products. Therefore, the present application can adopt the form of a complete hardware embodiment, a complete software embodiment, or an embodiment in combination with software and hardware. Moreover, the present application can adopt the form of a computer program product implemented on one or more computer-usable storage media (including but not limited to magnetic disk storage and optical storage, etc.) that contain computer-usable program code.

[0531] The present application is described with reference to the flowcharts and / or block diagrams of the methods, devices (systems), and computer program products according to the embodiments of the present application. It should be understood that each process and / or box in the flowchart and / or block diagram, as well as the combination of the processes and / or boxes in the flowchart and / or block diagram, can be implemented by computer-executable instructions. These computer-executable instructions can be provided to a processor of a general-purpose computer, a special-purpose computer, an embedded processor, or other programmable data processing device to produce a machine, so that the instructions executed by the processor of the computer or other programmable data processing device generate instructions for implementing the steps in the process. Figure 1 a process or multiple processes and / or boxes Figure 1 A device that provides the functions specified in a block or multiple blocks.

[0532] These processor-executable instructions may also be stored in a processor-readable memory that can direct a computer or other programmable data processing device to operate in a specific manner, so that the instructions stored in the processor-readable memory produce an article of manufacture comprising an instruction device that implements the process Figure 1 a process or multiple processes and / or boxes Figure 1 The function specified in one or more boxes.

[0533] These processor-executable instructions can also be loaded onto a computer or other programmable data processing device so that a series of operational steps are performed on the computer or other programmable device to produce a computer-implemented process, thereby providing instructions for executing on the computer or other programmable device to implement the process. Figure 1a process or multiple processes and / or boxes Figure 1 A step that specifies a function in one or more boxes.

[0534] Obviously, those skilled in the art may make various changes and modifications to this application without departing from the spirit and scope of this application. Thus, if these modifications and variations of this application fall within the scope of the claims of this application and their equivalents, this application is intended to include these modifications and variations.

Claims

1. A signal transmission method, characterized in that: include: detecting downlink control information DCI triggering transmission of a first signal; Determining time-frequency parameters of a physical downlink control channel (PDCCH) corresponding to the DCI; Determining a time domain transmission position for transmitting the first signal based on the time-frequency parameters; sending or receiving the first signal at the time domain transmission location; The time-frequency parameters of the PDCCH include any one or more combinations of the following: The BWP identifier of the PDCCH bandwidth part or the BWP group identifier of the PDCCH; The serving cell identifier of the PDCCH, the component carrier CC identifier of the PDCCH, or the CC group identifier of the PDCCH; The identifier of the control resource set CORESET where the PDCCH is located or the identifier of the CORESET group where the PDCCH is located; The identifier of the search space corresponding to the PDCCH or the identifier of the search space group corresponding to the PDCCH; The identifier of the PDCCH candidate corresponding to the PDCCH or the identifier of the PDCCH candidate group corresponding to the PDCCH; The aggregation level identifier corresponding to the PDCCH or the aggregation level group identifier corresponding to the PDCCH; The number of symbols corresponding to the PDCCH.

2. The signal transmission method according to claim 1, wherein: The time domain transmission position is a time unit for transmitting the first signal.

3. The signal transmission method according to claim 1, wherein: Determining a time domain transmission position for transmitting the first signal based on the time-frequency parameters includes: determining a time unit offset value based on the time-frequency parameters; A time domain transmission position for transmitting the first signal is determined according to the time unit offset value.

4. The signal transmission method according to claim 1, wherein: The determining, based on the time-frequency parameters, a time domain transmission position for transmitting the first signal specifically includes: determining a first time unit offset value based on the time-frequency parameters; A time domain transmission position for transmitting the first signal is determined according to the first time unit offset value and the second time unit offset value, where the second time unit offset value is configured or preconfigured by a network device.

5. The signal transmission method according to claim 3, wherein: The determining of the time unit offset value based on the time-frequency parameter specifically includes: Determining the parity of the values ​​of the time-frequency parameters; The time unit offset value is determined according to the parity of the value of the time-frequency parameter and a third time unit offset value; the third time unit offset value is the time unit offset value indicated by the network device.

6. The signal transmission method according to claim 3, wherein: The determining of the time unit offset value based on the time-frequency parameter specifically includes: Determining a time unit offset value based on the time-frequency parameter and the first signal resource; Or, specifically including: Determining a time unit offset value based on the time-frequency parameters and the first signal resource set; Or, specifically including: Determine a time unit offset value based on the time-frequency parameter, the trigger state corresponding to the DCI, and the first signal resource; Or, specifically including: A time unit offset value is determined based on the time-frequency parameters, a trigger state corresponding to the DCI, and a first signal resource set.

7. The signal transmission method according to claim 3, wherein: The determining of the time unit offset value based on the time-frequency parameter specifically includes: Receive a first association relationship sent by a network device; the first association relationship represents a relationship between a time-frequency parameter of a PDCCH, a first signal resource, and a time unit offset value; Determining the time unit offset value based on the time-frequency parameter and the first association relationship; Or, specifically including: Receive a second association relationship sent by the network device; the second association relationship represents a relationship between the time-frequency parameters of the PDCCH, the first signal resource set, and the time unit offset value; Determining the time unit offset value based on the time-frequency parameter and the second association relationship; Or, specifically including: Receive a third association relationship sent by the network device; the third association relationship represents the relationship between the time-frequency parameters of the PDCCH, the trigger state corresponding to the DCI, the first signal resource and the time unit offset value; Determining the time unit offset value based on the time-frequency parameter and the third association relationship; Or, specifically including: Receive a fourth association relationship sent by the network device; the fourth association relationship represents the relationship between the time-frequency parameters of the PDCCH, the trigger state corresponding to the DCI, the first signal resource set, and the time unit offset value; The time unit offset value is determined based on the time-frequency parameter and the fourth association relationship.

8. A signal transmission method, characterized in that: include: Sending downlink control information DCI triggering first signal transmission to the terminal; receiving or sending the first signal at a time domain transmission position for transmitting the first signal; the time domain transmission position of the first signal is determined based on time-frequency parameters of a physical downlink control channel PDCCH corresponding to the DCI; The time-frequency parameters of the PDCCH include any one or more combinations of the following: The BWP identifier of the PDCCH bandwidth part or the BWP group identifier of the PDCCH; The serving cell identifier of the PDCCH, the component carrier CC identifier of the PDCCH, or the CC group identifier of the PDCCH; The identifier of the control resource set CORESET where the PDCCH is located or the identifier of the CORESET group where the PDCCH is located; The identifier of the search space corresponding to the PDCCH or the identifier of the search space group corresponding to the PDCCH; The identifier of the PDCCH candidate corresponding to the PDCCH or the identifier of the PDCCH candidate group corresponding to the PDCCH; The aggregation level identifier corresponding to the PDCCH or the aggregation level group identifier corresponding to the PDCCH; The number of symbols corresponding to the PDCCH.

9. The signal transmission method according to claim 8, wherein: The time domain transmission position is a time unit for transmitting the first signal.

10. A terminal, characterized in that: Including memory, transceiver, processor; A memory for storing a computer program; a transceiver for transmitting and receiving data under the control of the processor; and a processor for reading the computer program in the memory and performing the following operations: detecting downlink control information DCI triggering transmission of a first signal; Determining time-frequency parameters of a physical downlink control channel (PDCCH) corresponding to the DCI; Determining a time domain transmission position for transmitting the first signal based on the time-frequency parameters; sending or receiving the first signal at the time domain transmission location; The time-frequency parameters of the PDCCH include any one or more combinations of the following: The BWP identifier of the PDCCH bandwidth part or the BWP group identifier of the PDCCH; The serving cell identifier of the PDCCH, the component carrier CC identifier of the PDCCH, or the CC group identifier of the PDCCH; The identifier of the control resource set CORESET where the PDCCH is located or the identifier of the CORESET group where the PDCCH is located; The identifier of the search space corresponding to the PDCCH or the identifier of the search space group corresponding to the PDCCH; The identifier of the PDCCH candidate corresponding to the PDCCH or the identifier of the PDCCH candidate group corresponding to the PDCCH; The aggregation level identifier corresponding to the PDCCH or the aggregation level group identifier corresponding to the PDCCH; The number of symbols corresponding to the PDCCH. The terminal according to claim 10 , wherein: The time domain transmission position is a time unit for transmitting the first signal.

12. The terminal according to claim 10, characterized in that Determining a time domain transmission position for transmitting the first signal based on the time-frequency parameters specifically includes: determining a time unit offset value based on the time-frequency parameters; A time domain transmission position for transmitting the first signal is determined according to the time unit offset value.

13. The terminal according to claim 10, characterized in that The determining, based on the time-frequency parameters, a time domain transmission position for transmitting the first signal specifically includes: determining a first time unit offset value based on the time-frequency parameters; A time domain transmission position for transmitting the first signal is determined according to the first time unit offset value and the second time unit offset value, where the second time unit offset value is configured or preconfigured by a network device. The terminal according to claim 12 , wherein: The determining of the time unit offset value based on the time-frequency parameter specifically includes: Determining the parity of the values ​​of the time-frequency parameters; The time unit offset value is determined according to the parity of the value of the time-frequency parameter and a third time unit offset value; the third time unit offset value is the time unit offset value indicated by the network device. The terminal according to claim 12 , wherein: The determining of the time unit offset value based on the time-frequency parameter specifically includes: Determining a time unit offset value based on the time-frequency parameter and the first signal resource; Or, specifically including: Determining a time unit offset value based on the time-frequency parameters and the first signal resource set; Or, specifically including: Determine a time unit offset value based on the time-frequency parameter, the trigger state corresponding to the DCI, and the first signal resource; Or, specifically including: A time unit offset value is determined based on the time-frequency parameters, a trigger state corresponding to the DCI, and a first signal resource set. The terminal according to claim 12 , wherein: The determining of the time unit offset value based on the time-frequency parameter specifically includes: Receive a first association relationship sent by a network device; the first association relationship represents a relationship between a time-frequency parameter of a PDCCH, a first signal resource, and a time unit offset value; Determining the time unit offset value based on the time-frequency parameter and the first association relationship; Or, specifically including: Receive a second association relationship sent by the network device; the second association relationship represents a relationship between the time-frequency parameters of the PDCCH, the first signal resource set, and the time unit offset value; Determining the time unit offset value based on the time-frequency parameter and the second association relationship; Or, specifically including: Receive a third association relationship sent by the network device; the third association relationship represents the relationship between the time-frequency parameters of the PDCCH, the trigger state corresponding to the DCI, the first signal resource and the time unit offset value; Determining the time unit offset value based on the time-frequency parameter and the third association relationship; Or, specifically including: Receive a fourth association relationship sent by the network device; the fourth association relationship represents the relationship between the time-frequency parameters of the PDCCH, the trigger state corresponding to the DCI, the first signal resource set, and the time unit offset value; The time unit offset value is determined based on the time-frequency parameter and the fourth association relationship.

17. A network device, characterized in that: Including memory, transceiver, processor; A memory for storing a computer program; a transceiver for transmitting and receiving data under the control of the processor; and a processor for reading the computer program in the memory and performing the following operations: Sending downlink control information DCI triggering first signal transmission to the terminal; receiving or sending the first signal at a time domain transmission position for transmitting the first signal; the time domain transmission position of the first signal is determined based on time-frequency parameters of a physical downlink control channel PDCCH corresponding to the DCI; The time-frequency parameters of the PDCCH include any one or more combinations of the following: The BWP identifier of the PDCCH bandwidth part or the BWP group identifier of the PDCCH; The serving cell identifier of the PDCCH, the component carrier CC identifier of the PDCCH, or the CC group identifier of the PDCCH; The identifier of the control resource set CORESET where the PDCCH is located or the identifier of the CORESET group where the PDCCH is located; The identifier of the search space corresponding to the PDCCH or the identifier of the search space group corresponding to the PDCCH; The identifier of the PDCCH candidate corresponding to the PDCCH or the identifier of the PDCCH candidate group corresponding to the PDCCH; The aggregation level identifier corresponding to the PDCCH or the aggregation level group identifier corresponding to the PDCCH; The number of symbols corresponding to the PDCCH.

18. The network device according to claim 17, wherein: The time domain transmission position is a time unit for transmitting the first signal.

19. A signal transmission device, characterized in that: include: A detection module, configured to detect downlink control information DCI that triggers transmission of a first signal; A first determining module is used to determine the time-frequency parameters of the physical downlink control channel PDCCH corresponding to the DCI; A second determining module, configured to determine a time domain transmission position for transmitting the first signal based on the time-frequency parameters; a first transmission module, configured to send or receive the first signal at the time domain transmission location; The time-frequency parameters of the PDCCH include any one or more combinations of the following: The BWP identifier of the PDCCH bandwidth part or the BWP group identifier of the PDCCH; The serving cell identifier of the PDCCH, the component carrier CC identifier of the PDCCH, or the CC group identifier of the PDCCH; The identifier of the control resource set CORESET where the PDCCH is located or the identifier of the CORESET group where the PDCCH is located; The identifier of the search space corresponding to the PDCCH or the identifier of the search space group corresponding to the PDCCH; The identifier of the PDCCH candidate corresponding to the PDCCH or the identifier of the PDCCH candidate group corresponding to the PDCCH; The aggregation level identifier corresponding to the PDCCH or the aggregation level group identifier corresponding to the PDCCH; The number of symbols corresponding to the PDCCH.

20. A signal transmission device, characterized in that: include: A sending module, configured to send downlink control information DCI triggering the transmission of a first signal to the terminal; A second transmission module is configured to receive or send the first signal at a time domain transmission position for transmitting the first signal; the time domain transmission position of the first signal is determined based on the time-frequency parameters of the physical downlink control channel PDCCH corresponding to the DCI; The time-frequency parameters of the PDCCH include any one or more combinations of the following: The BWP identifier of the PDCCH bandwidth part or the BWP group identifier of the PDCCH; The serving cell identifier of the PDCCH, the component carrier CC identifier of the PDCCH, or the CC group identifier of the PDCCH; The identifier of the control resource set CORESET where the PDCCH is located or the identifier of the CORESET group where the PDCCH is located; The identifier of the search space corresponding to the PDCCH or the identifier of the search space group corresponding to the PDCCH; The identifier of the PDCCH candidate corresponding to the PDCCH or the identifier of the PDCCH candidate group corresponding to the PDCCH; The aggregation level identifier corresponding to the PDCCH or the aggregation level group identifier corresponding to the PDCCH; The number of symbols corresponding to the PDCCH.

21. A processor-readable storage medium, characterized in that: The processor-readable storage medium stores a computer program, and the computer program is configured to cause the processor to execute the method according to any one of claims 1 to 9.

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