A method, apparatus, chip, and electronic device for indicating the TCI state

Abstract

Embodiments of the present application provide a method, apparatus, chip, and electronic device for indicating the TCI state. The method includes: constructing a first DCI signaling for indicating the currently activated TCI state based on the structure of a second DCI signaling for deactivating SPS PDSCH resources, so that the first DCI signaling does not schedule PDSCH, where: the code points of the TCI field and / or the HARQ process number field of the first DCI signaling are associated with the activated TCI state; the code points of the MCS field of the first DCI signaling are all '1'; if the PDSCH frequency domain resource allocation type is Type 1, the code points of the FDRA field of the first DCI signaling are all '1', otherwise the code points of the FDRA field of the first DCI signaling are all '0'; and sending the first DCI signaling. According to the method of the embodiments of the present application, the beam indication success probability can be greatly improved.

Description

Technical Field

[0001] The present application relates to the field of communication technology, and in particular to a method, device, chip, and electronic device for indicating TCI status. Background Art

[0002] Based on the 3GPP New Radio (NR) protocol, base stations and users use beam training to determine the optimal transmit and receive beams, thereby improving the transmission reliability of uplink and downlink signals. During beam training and reporting, the terminal saves the receive beam corresponding to each reported transmit beam. If the terminal has only one receive beam, there is no need to train or select the receive beam.

[0003] In actual deployment environments, not only do uplink and downlink data channels and control channels typically use the same directional transmit and receive beams for communication, but channels in multiple carriers can also use the same directional transmit and receive beams. Therefore, during the standardization of the NR system Rel-17 version, one of the ways to further enhance Multiple Input Multiple Output (MIMO) technology is to introduce a unified beam configuration framework (Unified TCI framework) to simultaneously indicate that the uplink and downlink control channels and data channels in one or more carriers use the same directional transmit and receive beams.

[0004] Under the unified beam configuration framework, the 5G base station (gNB) first configures a Transmission Configuration Indication (TCI) state pool containing multiple TCI states through Radio Resource Control (RRC) signaling. Each TCI state indicates transmit beam information. The gNB then activates one or more TCI states in the pool through Media Access Control (MAC) Control Element (CE) signaling. Finally, the gNB indicates one of the TCI states through Downlink Control Information (DCI) signaling. Once the DCI signaling takes effect, the corresponding uplink and downlink channels on one or more carriers transmit using the transmit beam indicated by the TCI state. The receiver then uses the corresponding receive beam based on the indicated transmit beam.

[0005] In terms of signaling design, to ensure beam indication reliability, the DCI signaling currently used to indicate TCI status must schedule a physical downlink shared channel (PDSCH). After the user terminal (UE) (the receiver of DCI signaling) successfully decodes the DCI, it must further successfully decode the PDSCH and feedback an acknowledgment character (ACK) to indicate successful beam indication. Essentially, the UE obtains beam indication information after successfully decoding the DCI. However, if PDSCH decoding fails and the UE feedbacks a negative acknowledgment character (NACK), the gNB deems the beam indication a failure. Therefore, scheduling PDSCH reduces the probability of successful beam indication. Summary of the Invention

[0006] In response to the problem that indicating the TCI status under the existing technology requires scheduling PDSCH, which reduces the probability of successful beam indication, the present application provides a method, device, chip and electronic device for indicating the TCI status. The present application also provides a computer-readable storage medium.

[0007] The embodiments of this application adopt the following technical solutions:

[0008] In a first aspect, the present application provides a method for indicating a TCI status, characterized by comprising:

[0009] Based on the structure of the second DCI signaling for deactivating the SPS PDSCH resource, constructing a first DCI signaling for indicating the currently activated TCI state, so that the first DCI signaling does not schedule the PDSCH, wherein:

[0010] A code point in the TCI field and / or the HARQ process number field of the first DCI signaling is associated with the currently activated TCI state;

[0011] The code points of the MCS field of the first DCI signaling are all '1';

[0012] If the PDSCH frequency domain resource allocation type is Type 1, the code points of the FDRA field of the first DCI signaling are all '1's; otherwise, the code points of the FDRA field of the first DCI signaling are all '0's;

[0013] Send the first DCI signaling.

[0014] In a feasible implementation of the first aspect above:

[0015] The code point of the NDI field of the first DCI signaling is '0';

[0016] The code point of the RV field of the first DCI signaling is '01', '10' or '11'.

[0017] In a feasible implementation of the first aspect above:

[0018] The first DCI signaling is scrambled by first scrambling information, where the first scrambling information is scrambling information used for TCI indication, and the first scrambling information is inconsistent with the CS-RNTI used when scrambling the second DCI signaling.

[0019] In a feasible implementation of the first aspect above:

[0020] The TCI field of the first DCI signaling is used to indicate a TCI state, and all code points of the HARQ process number field of the first DCI signaling are not associated with a TCI state.

[0021] In a feasible implementation of the first aspect above:

[0022] The TCI field of the first DCI signaling is used to indicate two TCI states, and all code points of the HARQ process number field of the first DCI signaling are not associated with a TCI state.

[0023] In a feasible implementation of the first aspect above:

[0024] The TCI field of the first DCI signaling is used to indicate a TCI state, and the HARQ process number field of the first DCI signaling is used to indicate a TCI state.

[0025] In a feasible implementation of the first aspect above:

[0026] The RV field of the first DCI signaling is used to point to one or two TCI states indicated by the first DCI signaling, so as to further select the currently indicated TCI state.

[0027] In a feasible implementation of the first aspect above:

[0028] The RV field of the first DCI signaling is used to indicate that the first DCI signaling is applicable to uplink and / or downlink channels.

[0029] In a feasible implementation of the first aspect above:

[0030] The NDI field of the first DCI signaling is used to point to a TCI state indicated by the first DCI signaling, so as to further select the currently indicated TCI state;

[0031] or,

[0032] The NDI field of the first DCI signaling is used to indicate that the first DCI signaling is applicable to uplink and / or downlink channels.

[0033] In a second aspect, the present application further provides a device for indicating a TCI status, comprising:

[0034] A signaling construction module, configured to construct, based on the structure of a second DCI signaling for deactivating an SPS PDSCH resource, a first DCI signaling for indicating a currently activated TCI state, so that the first DCI signaling does not schedule a PDSCH, wherein:

[0035] The code point of the TCI field and / or the HARQ process number field of the first DCI signaling is associated with the activated TCI state;

[0036] The code points of the MCS field of the first DCI signaling are all '1';

[0037] If the PDSCH frequency domain resource allocation type is Type 1, the code points of the FDRA field of the first DCI signaling are all '1's; otherwise, the code points of the FDRA field of the first DCI signaling are all '0's;

[0038] A signaling sending module, configured to send the first DCI signaling.

[0039] In a third aspect, the present application further provides a communication chip, comprising:

[0040] A processor is used to execute computer program instructions stored in the memory, wherein when the computer program instructions are executed by the processor, the communication chip is triggered to execute the method steps described in the first aspect above.

[0041] In a fourth aspect, the present application also provides an electronic device, comprising a memory for storing computer program instructions and a processor for executing program instructions, wherein when the computer program instructions are executed by the processor, the electronic device is triggered to execute the method steps described in the first aspect above.

[0042] In a fifth aspect, the present application further provides a computer-readable storage medium, wherein the computer-readable storage medium stores a computer program, which, when executed on a computer, enables the computer to execute the method described in the first aspect above.

[0043] According to the above technical solutions proposed in the embodiments of the present application, at least the following technical effects can be achieved:

[0044] According to the method of the embodiment of the present application, on the basis of the DCI used for SPS PDSCH deactivation, a beam indication DCI that meets the signaling reliability is designed, thereby avoiding the occurrence of a situation where the DCI indication TCI status fails due to the failure of decoding PDSCH, and greatly improving the probability of successful beam indication. BRIEF DESCRIPTION OF THE DRAWINGS

[0045] Figure 1 FIG2 is a flow chart of a method for indicating TCI status according to an embodiment of the present application;

[0046] Figure 2 FIG. 1 is a flow chart of a method for indicating TCI status according to an embodiment of the present application. DETAILED DESCRIPTION

[0047] To make the purpose, technical solutions, and advantages of this application more clear, the technical solutions of this application will be clearly and completely described below in conjunction with the specific embodiments of this application and the corresponding drawings. Obviously, the embodiments described are only part of the embodiments of this application, not all of them. Based on the embodiments in this application, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of this application.

[0048] The terms used in the implementation section of this application are only used to explain the specific embodiments of this application and are not intended to limit this application.

[0049] In response to the problem that the prior art requires scheduling PDSCH to indicate the TCI status, which leads to a reduced probability of successful beam indication, the present application provides a method for indicating the TCI status. In the existing NR protocol, gNB is supported to send DCI for deactivating semi-persistent (SPS) PDSCH resources (SPS PDSCH means that after one scheduling, PDSCH resources are continuously sent at a certain period). The DCI needs to feedback ACK / NACK information, but does not schedule PDSCH, that is, the UE receiving the DCI does not need to decode PDSCH. Therefore, in the method of the embodiment of the present application, based on the DCI used for SPS PDSCH deactivation, a beam indication DCI that meets the signaling reliability is designed, thereby avoiding the situation where the DCI indication of TCI status fails due to the failure of decoding PDSCH, and greatly improving the probability of successful beam indication.

[0050] Specifically, the DCI for deactivating the SPS PDSCH resource includes at least:

[0051] New data indicator (NDI) field, NDI is used to indicate whether new data is scheduled;

[0052] Redundancy Version (RV) field, RV is used to indicate the redundancy version used for transmission;

[0053] Hybrid Automatic Repeat reQuest process number (HARQ process number) field. HARQ informs the base station whether PDSCH reception is successful by feeding back ACK / NACK information.

[0054] Modulation and coding scheme (MCS) field, which indicates the modulation and coding configuration of the data in the PDSCH.

[0055] Frequency domain resource assignment (FDRA) field, FDRA is used to indicate the frequency domain resource size of PDSCH.

[0056] In the DCI used to deactivate the SPS PDSCH resources, the fields are configured as follows:

[0057] The code point of the NDI field is '0';

[0058] If an SPS PDSCH resource is configured, the code point of the HARQ process number field is all '0', otherwise the code point of this field indicates a deactivated SPS PDSCH resource;

[0059] The code point of the RV field is all '0';

[0060] The code point of the MCS field is all '1';

[0061] If the PDSCH frequency domain resource allocation type is Type 1, the code points of the FDRA field are all '1'; otherwise, the code points of this field are all '0'.

[0062] In one embodiment of the present application, a DCI for indicating the TCI state is constructed based on the DCI for deactivating the SPS PDSCH resource, so that the DCI for indicating the TCI state does not call the PDSCH resource. Specifically, Figure 1 FIG. 1 is a flow chart of a method for indicating TCI status according to an embodiment of the present application. Figure 1As shown, the gNB performs the following steps to send DCI signaling indicating the TCI status to the UE:

[0063] Step 110: Based on the structure of the second DCI signaling for deactivating the SPS PDSCH resource, construct a first DCI signaling for indicating the currently activated TCI state, so that the first DCI signaling does not schedule the PDSCH.

[0064] In the first DCI signaling constructed in step 110, the codepoints in the TCI field and / or the HARQ process number field of the first DCI signaling are associated with the activated TCI state (the TCI state activated by MAC CE signaling in the TCI state pool configured by RRC signaling). In this way, the currently activated TCI state can be identified by parsing the codepoints in the TCI field and / or the HARQ process number field of the first DCI signaling.

[0065] For example, the first TCI state activated in the MAC CE is associated with the first code point of the TCI field or the HARQ process number field, and the second TCI state is associated with the second code point of the TCI field or the HARQ process number field. In this way, the first TCI state activated in the MAC CE can be confirmed by parsing the first code point of the TCI field or the HARQ process number field, and the second TCI state activated in the MAC CE can be confirmed by parsing the second code point of the TCI field or the HARQ process number field.

[0066] For example, the TCI state pool configured by RRC signaling contains eight TCI states, numbered 0 to 7. The lower three digits of the HARQ process number field are used to indicate the associated TCI field. The values of the lower three digits 0 to 7 correspond to the TCI state numbers.

[0067] Furthermore, in order to prevent the first DCI signaling from invoking PDSCH resources, the configuration of the second DCI signaling for deactivating SPS PDSCH resources is continued in the first DCI signaling constructed in step 110:

[0068] The code points of the MCS field of the first DCI signaling are all '1';

[0069] If the PDSCH frequency domain resource allocation type is Type 1, the code points of the FDRA field of the first DCI signaling are all '1'; otherwise, the code points of the FDRA field of the first DCI signaling are all '0';

[0070] After executing step 110 and constructing the first DCI signaling, execute step 120 to send the first DCI signaling to the UE to indicate the activated TCI state.

[0071] When the UE receives the first DCI signaling, since the first DCI signaling does not schedule PDSCH, the UE only needs to decode the first DCI signaling and feedback (ACK for successful decoding and NACK for failed decoding), without decoding PDSCH, thereby avoiding the situation where the DCI indication TCI status fails due to the failure of decoding PDSCH, and greatly improving the probability of successful beam indication.

[0072] In step 110, since the first DCI signaling used to indicate the currently activated TCI state is constructed based on the structure of the second DCI signaling used to deactivate the SPS PDSCH resources, in order to avoid the first DCI signaling being identified as a signaling for deactivating the SPS PDSCH resources, the structure of the second DCI signaling is adjusted to construct the first DCI signaling.

[0073] Specifically, in one implementation of step 110, in the first DCI signaling constructed in step 110:

[0074] A code point in the TCI field and / or the HARQ process number field of the first DCI signaling is associated with the activated TCI state;

[0075] If the PDSCH frequency domain resource allocation type is Type 1, the code points of the FDRA field of the first DCI signaling are all '1'; otherwise, the code points of the FDRA field of the first DCI signaling are all '0';

[0076] The code points of the MCS field of the first DCI signaling are all '1';

[0077] The code point of the NDI field of the first DCI signaling is '0';

[0078] The code point of the RV field of the first DCI signaling is '01', '10', or '11' (the code point of the RV field of the first DCI signaling is not '00').

[0079] The code point of the RV field of the first DCI signaling can be pre-agreed. For example, it can be agreed that when the DCI signaling is used to indicate the currently activated TCI state, the code point of the RV field of the DCI signaling is '01'. Alternatively, the code point of the RV field of the first DCI signaling can be used to carry other control information. It is only necessary to ensure that the code point of the RV field of the DCI signaling used to indicate the currently activated TCI state is not '00'.

[0080] Furthermore, in actual application scenarios, DCI signaling needs to be scrambled. For example, the second DCI signaling used to deactivate SPS PDSCH resources is scrambled by the radio network temporary identifier (CS-RNTI) configured for downlink semi-persistent scheduling or uplink authorization. In one embodiment of the present application, the CS-RNTI is used to scramble the first DCI signaling to indicate the currently activated TCI state.

[0081] In another embodiment of the present application, scrambling information dedicated to TCI indication is configured, and the first DCI signaling used to indicate the currently activated TCI state is scrambled using the scrambling information dedicated to TCI indication. The scrambling information dedicated to TCI indication is different from the CS-RNTI used to scramble the second DCI signaling for deactivating SPS PDSCH resources. In this way, the DCI signaling used to indicate the currently activated TCI state can be distinguished from the DCI signaling used to deactivate SPS PDSCH resources by the difference in scrambling information.

[0082] Specifically, Figure 2 FIG. 1 is a flow chart of a method for indicating TCI status according to an embodiment of the present application. Figure 2 As shown, the gNB performs the following steps to send DCI signaling indicating the TCI status to the UE:

[0083] Step 200: Configure an RNTI dedicated to TCI indication, where the RNTI dedicated to TCI indication is different from the CS-RNTI.

[0084] Step 210: Based on the structure of the second DCI signaling for deactivating the SPS PDSCH resource, construct a first DCI signaling for indicating the currently activated TCI state, so that the first DCI signaling does not schedule the PDSCH; in the first DCI signaling constructed in step 110:

[0085] A code point in the TCI field and / or the HARQ process number field of the first DCI signaling is associated with the activated TCI state;

[0086] The code points of the MCS field of the first DCI signaling are all '1';

[0087] If the PDSCH frequency domain resource allocation type is Type 1, the code points of the FDRA field of the first DCI signaling are all '1'; otherwise, the code points of the FDRA field of the first DCI signaling are all '0';

[0088] Step 220: scramble the first DCI signaling using the RNTI dedicated to TCI indication;

[0089] Step 221: Send the scrambled first DCI signaling to the UE to indicate the activated TCI state.

[0090] Furthermore, since the distinction between the DCI signaling used to indicate the currently activated TCI state and the DCI signaling used to deactivate the SPSPDSCH resources is achieved through the difference in scrambling information, in the first DCI signaling constructed in step 210, the code points of the NDI field and the RV field do not need to be specially restricted.

[0091] The code point of the NDI field of the first DCI signaling can be pre-agreed. For example, it is agreed that when the DCI signaling is used to indicate the currently activated TCI state, the code point of the RV field of the DCI signaling is '0'. Alternatively, it is agreed that when the DCI signaling is used to indicate the currently activated TCI state, the code point of the RV field of the DCI signaling is '1'. The code point of the NDI field of the first DCI signaling can also be used to carry other control information.

[0092] The code point of the RV field of the first DCI signaling can be pre-agreed, for example, it is agreed that when the DCI signaling is used to indicate the currently activated TCI state, the code point of the RV field of the DCI signaling is '01'. Alternatively, the code point of the RV field of the first DCI signaling can also be used to carry other control information.

[0093] Furthermore, the code point of the TCI field and / or the HARQ process number field of the first DCI signaling is associated with the activated TCI state, that is, in the actual application scenario, the TCI field can be used to indicate the activated TCI state, the HARQ process number field can be used to indicate the activated TCI state, and the TCI field and the HARQ process number field can be used at the same time to indicate the activated TCI state.

[0094] In one implementation of step 110 (or step 210), the TCI field of the first DCI signaling constructed in step 110 (or step 210) is used to indicate a TCI state, and all codepoints in the HARQ process number field of the first DCI signaling are not associated with a TCI state. Thus, after receiving the first DCI signaling, the UE only needs to parse the TCI field to determine the activated TCI state.

[0095] Furthermore, communication channels are divided into uplink channels and downlink channels. Uplink channels and downlink channels can be implemented based on the same TCI state or different TCI states. Therefore, in actual application scenarios, when indicating the activated TCI state, it is also necessary to indicate the uplink and downlink states corresponding to the activated TCI state (indicating whether the activated TCI state corresponds to an uplink channel or a downlink channel).

[0096] To address the need for uplink and downlink status indication, one feasible solution is to predetermine whether the subsequent DCI signaling is for the uplink or downlink status before sending the DCI indicating the activated TCI status. For example, the gNB first notifies the UE of the upcoming TCI status for the uplink channel and then sends the DCI signaling. The UE receives and decodes the DCI signaling, obtains the TCI status, and automatically applies the obtained TCI status to the uplink channel.

[0097] Furthermore, considering that in one implementation of step 110 (or step 210), in the first DCI signaling constructed in step 110 (or step 210), the RV field of the first DCI signaling can carry indication information (for example, in the first DCI signaling constructed in step 110, the code point of the RV field of the first DCI signaling is '01', '10', or '11', which can correspond to three different indication information). Therefore, in one implementation of step 110 (or step 210), the RV field of the first DCI signaling indicates whether the TCI state indicated by the TCI field in the first DCI signaling corresponds to an uplink channel or a downlink channel.

[0098] Specifically, in one implementation of step 110, in the first DCI signaling constructed in step 110:

[0099] The code points of the MCS field of the first DCI signaling are all '1';

[0100] The code point of the NDI field of the first DCI signaling is '0';

[0101] If the PDSCH frequency domain resource allocation type is Type 1, the code points of the FDRA field of the first DCI signaling are all '1'; otherwise, the code points of the FDRA field of the first DCI signaling are all '0';

[0102] The code point of the TCI field of the first DCI signaling is associated with an activated TCI state, that is, the TCI field is used to indicate a TCI state;

[0103] All code points in the HARQ process number field of the first DCI signaling are not associated with the TCI state;

[0104] The RV field of the first DCI signaling is used to indicate that the first DCI signaling is applicable to uplink and / or downlink channels; that is, the RV field of the first DCI signaling is used to indicate whether the TCI state indicated by the TCI field in the first DCI signaling corresponds to an uplink channel or a downlink channel.

[0105] For example, 01 is set to correspond to the uplink channel and 10 is set to correspond to the downlink channel. When the code point of the RV field of the first DCI signaling is '01', the TCI state indicated by the TCI field in the first DCI signaling corresponds to the uplink channel; when the code point of the RV field of the first DCI signaling is '10', the TCI state indicated by the TCI field in the first DCI signaling corresponds to the downlink channel.

[0106] Furthermore, considering that in one implementation of step 110, in the first DCI signaling constructed in step 110, the code point of the NDI field of the first DCI signaling is '0', which cannot carry indication information. However, in one implementation of step 210, in the first DCI signaling constructed in step 210, the code point of the NDI field of the first DCI signaling can be '0' or '1', which can carry indication information. Therefore, in one implementation of step 210, the NDI field of the first DCI signaling indicates whether the TCI state indicated by the TCI field in the first DCI signaling corresponds to an uplink channel or a downlink channel.

[0107] Specifically, in one implementation of step 210, in the first DCI signaling constructed in step 210:

[0108] The code points of the MCS field of the first DCI signaling are all '1';

[0109] The code point of the RV field of the first DCI signaling is '00', '01', '10' or '11';

[0110] If the PDSCH frequency domain resource allocation type is Type 1, the code points of the FDRA field of the first DCI signaling are all '1'; otherwise, the code points of the FDRA field of the first DCI signaling are all '0';

[0111] The code point of the TCI field of the first DCI signaling is associated with an activated TCI state, that is, the TCI field is used to indicate a TCI state;

[0112] All code points in the HARQ process number field of the first DCI signaling are not associated with the TCI state;

[0113] The NDI field of the first DCI signaling is used to indicate that the first DCI signaling is applicable to uplink and / or downlink channels; that is, the NDI field of the first DCI signaling is used to indicate whether the TCI state indicated by the TCI field in the first DCI signaling corresponds to an uplink channel or a downlink channel.

[0114] For example, 0 is set to correspond to the uplink channel and 1 is set to correspond to the downlink channel. When the code point of the NDI field of the first DCI signaling is '0', the TCI state indicated by the TCI field in the first DCI signaling corresponds to the uplink channel; when the code point of the NDI field of the first DCI signaling is '1', the TCI state indicated by the TCI field in the first DCI signaling corresponds to the downlink channel.

[0115] In the above embodiment, the HARQ process number field of the first DCI signaling has no specific purpose, and therefore, the HARQ process number field may use any code point, for example, the code point of the HARQ process number field is all '0'.

[0116] Furthermore, considering that when all code points in the HARQ process number field are not associated with the TCI state, the code points in the HARQ process number field can carry other indication information other than the TCI state, therefore, in one implementation of step 110 (or step 210), the HARQ process number field of the first DCI signaling indicates whether the TCI state indicated by the TCI field in the first DCI signaling corresponds to an uplink channel or a downlink channel.

[0117] Specifically, in one implementation of step 110 (or step 210), in the first DCI signaling constructed in step 110 (or step 210):

[0118] The code points of the MCS field of the first DCI signaling are all '1';

[0119] The code point of the NDI field of the first DCI signaling is '0' (in one implementation of step 210, the code point of the NDI field may also be '1');

[0120] The code point of the RV field of the first DCI signaling is '01', '10', or '11' (in one implementation of step 210, the code point of the RV field may also be '00');

[0121] If the PDSCH frequency domain resource allocation type is Type 1, the code points of the FDRA field of the first DCI signaling are all '1'; otherwise, the code points of the FDRA field of the first DCI signaling are all '0';

[0122] The code point of the TCI field of the first DCI signaling is associated with an activated TCI state, that is, the TCI field is used to indicate a TCI state;

[0123] All code points in the HARQ process number field of the first DCI signaling are not associated with the TCI state, and the HARQ process number field of the first DCI signaling is used to indicate that the first DCI signaling is applicable to uplink and / or downlink channels; that is, the HARQ process number field of the first DCI signaling is used to indicate whether the TCI state indicated by the TCI field in the first DCI signaling corresponds to an uplink channel or a downlink channel.

[0124] For example, the lower two code points of the HARQ process number field are set to indicate the uplink and downlink status, with 01 corresponding to the uplink channel and 10 corresponding to the downlink channel. When the last two code points of the HARQ process number field in the first DCI signaling are '01', the TCI state indicated by the TCI field in the first DCI signaling corresponds to the uplink channel; when the last two code points of the HARQ process number field in the first DCI signaling are '10', the TCI state indicated by the TCI field in the first DCI signaling corresponds to the downlink channel.

[0125] Furthermore, in one implementation of step 110 (or step 210), the TCI field of the first DCI signaling constructed in step 110 (or step 210) is used to indicate two TCI states, and all code points in the HARQ process number field of the first DCI signaling are not associated with a TCI state. Alternatively, in another implementation of step 110 (or step 210), the TCI field of the first DCI signaling constructed in step 110 (or step 210) is used to indicate one TCI state, and the HARQ process number field of the first DCI signaling is used to indicate one TCI state. In this way, a single DCI signaling can simultaneously indicate two TCI states corresponding to the uplink channel and the downlink channel, respectively, thereby significantly reducing the amount of DCI signaling consumed.

[0126] Furthermore, in a scheme where the TCI field is configured to indicate two TCI states, the TCI field may indicate two activated TCI states, or the TCI field may indicate only one activated TCI state. In a scheme where the TCI field is configured to indicate one TCI state and the HARQ process number field is configured to indicate one TCI state, the TCI field and the HARQ process number field may indicate a total of two activated TCI states, or only the TCI state indicated by the TCI field or the HARQ process number field may be the activated TCI state. That is, of the two TCI states indicated by the DCI signaling, only one may be a valid (activated) TCI state, or both may be valid (activated) TCI states.

[0127] Specifically, in one implementation of step 110 (or step 210), the RV field is used to indicate a valid TCI state. For example, in one implementation of step 110 (or step 210), in the first DCI signaling constructed in step 110 (or step 210):

[0128] The code points of the MCS field of the first DCI signaling are all '1';

[0129] The code point of the NDI field of the first DCI signaling is '0' (in one implementation of step 210, the code point of the NDI field may also be '1');

[0130] If the PDSCH frequency domain resource allocation type is Type 1, the code points of the FDRA field of the first DCI signaling are all '1'; otherwise, the code points of the FDRA field of the first DCI signaling are all '0';

[0131] The code point of the TCI field of the first DCI signaling is associated with two TCI states, that is, the TCI field is used to indicate two TCI states;

[0132] All code points in the HARQ process number field of the first DCI signaling are not associated with the TCI state;

[0133] The RV field of the first DCI signaling is used to point to one or both of the two TCI states indicated by the TCI field of the first DCI signaling, so as to further select the currently indicated TCI state. For example, 01 is set to correspond to the first TCI state being valid, 10 is set to correspond to the second TCI state being valid, and 11 is set to correspond to both TCI states being valid. When the code point of the RV field of the first DCI signaling is '01', the first TCI state indicated by the TCI field in the first DCI signaling is the activated TCI state, and the second TCI state indicated by the TCI field in the first DCI signaling is invalid data. When the code point of the RV field of the first DCI signaling is '10', the second TCI state indicated by the TCI field in the first DCI signaling is the activated TCI state, and the first TCI state indicated by the TCI field in the first DCI signaling is invalid data. When the code point of the RV field of the first DCI signaling is '11', both the first TCI state and the second TCI state indicated by the TCI field in the first DCI signaling are the activated TCI state.

[0134] Specifically, in another implementation of step 110 (or step 210), the HARQ process number field is used to indicate a valid TCI state. For example, in one implementation of step 110, in the first DCI signaling constructed in step 110 (or step 210):

[0135] The code points of the MCS field of the first DCI signaling are all '1';

[0136] The code point of the NDI field of the first DCI signaling is '0' (in one implementation of step 210, the code point of the NDI field may also be '1');

[0137] The code point of the RV field of the first DCI signaling is '01', '10', or '11' (in one implementation of step 210, the code point of the RV field may also be '00');

[0138] If the PDSCH frequency domain resource allocation type is Type 1, the code points of the FDRA field of the first DCI signaling are all '1'; otherwise, the code points of the FDRA field of the first DCI signaling are all '0';

[0139] The code point of the TCI field of the first DCI signaling is associated with two TCI states, that is, the TCI field is used to indicate two TCI states;

[0140] All code points in the HARQ process number field of the first DCI signaling are not associated with the TCI state; and the HARQ process number field of the first DCI signaling is used to point to one or both of the two TCI states indicated by the TCI field of the first DCI signaling to further select the currently indicated TCI state; for example, setting 01 corresponds to the first TCI state being valid, 10 corresponds to the second TCI state being valid, and 11 corresponds to both TCI states being valid. When the code points of the lower two bits of the HARQ process number field of the first DCI signaling are '01', the first TCI state indicated by the TCI field in the first DCI signaling is the activated TCI state, and the second TCI state indicated by the TCI field in the first DCI signaling is invalid data; when the code points of the lower two bits of the HARQ process number field of the first DCI signaling are '10', the second TCI state indicated by the TCI field in the first DCI signaling is the activated TCI state, and the first TCI state indicated by the TCI field in the first DCI signaling is invalid data; when the code points of the lower two bits of the HARQ process number field of the first DCI signaling are '11', the first TCI state and the second TCI state indicated by the TCI field in the first DCI signaling are both activated TCI states.

[0141] Furthermore, in another implementation of step 210, the NDI field may also be used to indicate the valid TCI status. However, since the NDI field only contains one code point, the NDI field can only indicate two types of indication information.

[0142] For example, the NDI field points to a TCI state indicated by the first DCI signaling to indicate the currently activated TCI state. For example, when the TCI field indicates two TCI states, the NDI field points to one of the TCI states; or, when the TCI field indicates one TCI state and the HARQ process number field indicates one TCI state, the NDI field points to the TCI field or the HARQ process number field.

[0143] Alternatively, the NDI field indicates that one TCI state in the current first DCI signaling is valid or both TCI states are valid. For example, when the NDI field indicates that one TCI state in the current first DCI signaling is valid, according to a preset rule, the TCI field indicates that the first TCI state of the two TCI states is valid; or, when the TCI field indicates one TCI state and the HARQ process number field indicates one TCI state, the TCI state indicated by the TCI field is valid.

[0144] Furthermore, in one implementation of step 110 (or step 210), before sending the DCI indicating the activated TCI state, it is pre-specified whether the subsequently transmitted DCI signaling is applicable to uplink and / or downlink channels. For example, the gNB first notifies the UE that, in the subsequently transmitted DCI signaling indicating the TCI state, the first TCI state corresponds to the uplink channel and the second TCI state corresponds to the downlink channel, and then sends the DCI signaling. The UE receives and decodes the DCI signaling, obtains the two TCI states, and automatically applies the obtained TCI states to the uplink and downlink channels, respectively.

[0145] Furthermore, in one implementation of step 110 (or step 210), on the basis of using the RV field to indicate the currently activated TCI state, the HARQ process number field is further used to indicate that the first DCI signaling is applicable to the uplink and / or downlink channels. For example, the lower two code points of the HARQ process number field are set to indicate the uplink and downlink states. Set '01' to indicate that the first TCI state of the TCI field corresponds to the uplink channel, and the second TCI state of the TCI field corresponds to the downlink channel; set '10' to indicate that the first TCI state of the TCI field corresponds to the downlink channel, and the second TCI state of the TCI field corresponds to the uplink channel. Alternatively, set '01' to indicate that the TCI state of the TCI field corresponds to the uplink channel, and the TCI state of the HARQ process number field corresponds to the downlink channel; set '10' to indicate that the TCI state of the TCI field corresponds to the downlink channel, and the TCI state of the HARQ process number field corresponds to the uplink channel.

[0146] Furthermore, in one implementation of step 210, on the basis of using the RV field to indicate the currently activated TCI state, the NDI field is further used to indicate that the first DCI signaling is applicable to the uplink and / or downlink channels. For example, '0' is set to indicate that the first TCI state of the TCI field corresponds to the uplink channel and the second TCI state of the TCI field corresponds to the downlink channel; '1' is set to indicate that the first TCI state of the TCI field corresponds to the downlink channel and the second TCI state of the TCI field corresponds to the uplink channel. Alternatively, '0' is set to indicate that the TCI state of the TCI field corresponds to the uplink channel and the TCI state of the HARQ process number field corresponds to the downlink channel; '1' is set to indicate that the TCI state of the TCI field corresponds to the downlink channel and the TCI state of the HARQ process number field corresponds to the uplink channel.

[0147] Furthermore, in one implementation of step 110 (or step 210), on the basis of using the HARQ processnumber field to indicate the currently activated TCI state, the RV field is further used to indicate that the first DCI signaling is applicable to the uplink and / or downlink channels. For example, '01' is set to indicate that the first TCI state of the TCI field corresponds to the uplink channel, and the second TCI state of the TCI field corresponds to the downlink channel; '10' is set to indicate that the first TCI state of the TCI field corresponds to the downlink channel, and the second TCI state of the TCI field corresponds to the uplink channel. Alternatively, '01' is set to indicate that the TCI state of the TCI field corresponds to the uplink channel, and the TCI state of the HARQ processnumber field corresponds to the downlink channel; '10' is set to indicate that the TCI state of the TCI field corresponds to the downlink channel, and the TCI state of the HARQ process number field corresponds to the uplink channel.

[0148] Furthermore, in one implementation of step 210, on the basis of using the HARQ process number field to indicate the currently activated TCI state, the NDI field is further used to indicate that the first DCI signaling is applicable to the uplink and / or downlink channels. For example, '0' is set to indicate that the first TCI state of the TCI field corresponds to the uplink channel, and the second TCI state of the TCI field corresponds to the downlink channel; '1' is set to indicate that the first TCI state of the TCI field corresponds to the downlink channel, and the second TCI state of the TCI field corresponds to the uplink channel. Alternatively, '0' is set to indicate that the TCI state of the TCI field corresponds to the uplink channel, and the TCI state of the HARQ process number field corresponds to the downlink channel; '1' is set to indicate that the TCI state of the TCI field corresponds to the downlink channel, and the TCI state of the HARQ process number field corresponds to the uplink channel.

[0149] Furthermore, in one implementation of step 110 (or step 210), in addition to using the HARQ process number field to indicate the currently activated TCI state, the HARQ process number field is also used to indicate that the first DCI signaling is applicable to uplink and / or downlink channels. For example, the lower two code points of the HARQ process number field are set to indicate the currently activated TCI state, and the third-to-last code point of the HARQ process number field is set to indicate the uplink and downlink states. The first TCI state of the TCI field is set to '0' to correspond to the uplink channel, and the second TCI state of the TCI field is set to correspond to the downlink channel; the first TCI state of the TCI field is set to '1' to correspond to the downlink channel, and the second TCI state of the TCI field is set to correspond to the uplink channel. Alternatively, the TCI state of the TCI field is set to '0' to correspond to the uplink channel, and the TCI state of the HARQ process number field is set to correspond to the downlink channel; the TCI state of the TCI field is set to '1' to correspond to the downlink channel, and the TCI state of the HARQ process number field is set to correspond to the uplink channel.

[0150] Furthermore, in one implementation of step 210, based on using the NDI field to indicate the currently activated TCI state, the HARQ process number field or the RV field is further used to indicate that the first DCI signaling is applicable to uplink and / or downlink channels.

[0151] Furthermore, in the 1990s, technological improvements could be clearly distinguished as either hardware improvements (for example, improvements to circuit structures such as diodes, transistors, and switches) or software improvements (improvements to process flows). However, with the advancement of technology, many process flow improvements today can now be considered direct improvements to hardware circuit structures. Designers almost always program the improved process flow into the hardware circuit to obtain the corresponding hardware circuit structure. Therefore, it cannot be said that a process flow improvement cannot be implemented using hardware modules. For example, a programmable logic device (PLD) (such as a field programmable gate array (FPGA)) is an integrated circuit whose logical function is determined by the device programming by the accessor. Designers can "integrate" a digital device on a PLD by programming it themselves, without having to hire a chip manufacturer to design and produce a dedicated integrated circuit chip. Moreover, nowadays, instead of manually manufacturing integrated circuit chips, this programming is mostly done using "logic compiler" software. This is similar to the software compiler used when developing programs. Before compilation, the original code must also be written in a specific programming language, called a hardware description language (HDL). There is not just one HDL, but many, such as ABEL (Advanced Boolean Expression Language), AHDL (Altera Hardware Description Language), Confluence, CUPL (Cornell University Programming Language), HDCal, JHDL (Java Hardware Description Language), Lava, Lola, MyHDL, PALASM, RHDL (Ruby Hardware Description Language), etc. The most commonly used ones are VHDL (Very-High-Speed Integrated Circuit Hardware Description Language) and Verilog. Those skilled in the art will also understand that by simply programming the method flow in one of these hardware description languages and then programming it into an integrated circuit, a hardware circuit that implements the logic method flow can be easily obtained.

[0152] Therefore, according to the method of the present application, the present application also proposes a device for indicating the TCI status, comprising:

[0153] A signaling construction module is used to construct a first DCI signaling for indicating a currently activated TCI state based on the structure of a second DCI signaling for deactivating SPS PDSCH resources, so that the first DCI signaling does not schedule PDSCH, wherein:

[0154] A code point in the TCI field and / or the HARQ process number field of the first DCI signaling is associated with the activated TCI state;

[0155] The code points of the MCS field of the first DCI signaling are all '1';

[0156] If the PDSCH frequency domain resource allocation type is Type 1, the code points of the FDRA field of the first DCI signaling are all '1'; otherwise, the code points of the FDRA field of the first DCI signaling are all '0';

[0157] A signaling sending module is used to send a first DCI signaling.

[0158] In the description of the embodiments of the present application, for the convenience of description, the device is described as being divided into various modules according to their functions. The division of each module is merely a division of logical functions. When implementing the embodiments of the present application, the functions of each module can be implemented in the same or multiple software and / or hardware.

[0159] Specifically, the device proposed in the embodiment of the present application can be fully or partially integrated into a physical entity during actual implementation, or it can be physically separated. And these modules can all be implemented in the form of software calling through processing elements; or they can all be implemented in the form of hardware; or some modules can be implemented in the form of software calling through processing elements, and some modules can be implemented in the form of hardware. For example, the detection module can be a separately established processing element, or it can be integrated in a chip of an electronic device. The implementation of other modules is similar. In addition, these modules can be fully or partially integrated together, or they can be implemented independently. During the implementation process, each step of the above method or each of the above modules can be completed by the hardware integrated logic circuit in the processor element or the instructions in the form of software.

[0160] For example, the above modules may be one or more integrated circuits configured to implement the above methods, such as one or more application-specific integrated circuits (ASICs), one or more digital signal processors (DSPs), or one or more field programmable gate arrays (FPGAs). For another example, these modules may be integrated together and implemented in the form of a system-on-a-chip (SOC).

[0161] In actual application scenarios, Figures 1 and 2 The method flow of the illustrated embodiment can be implemented by a communication chip installed on a gNB. Therefore, one embodiment of the present application provides a communication chip. For example, the communication chip is installed on a gNB and includes:

[0162] A processor is used to execute computer program instructions stored in a memory, wherein when the computer program instructions are executed by the processor, the communication chip is triggered to execute the method steps described in the embodiments of the present application.

[0163] An embodiment of the present application further proposes an electronic device (e.g., a gNB), which includes a memory for storing computer program instructions and a processor for executing the program instructions. When the computer program instructions are executed by the processor, the electronic device is triggered to execute the method steps described in the embodiment of the present application.

[0164] Specifically, in one embodiment of the present application, the above-mentioned one or more computer programs are stored in the above-mentioned memory, and the above-mentioned one or more computer programs include instructions. When the above-mentioned instructions are executed by the above-mentioned device, the above-mentioned device executes the method steps described in the embodiment of the present application.

[0165] Specifically, in one embodiment of the present application, the processor of the electronic device may be a SOC, which may include a central processing unit (CPU) and may further include other types of processors. Specifically, in one embodiment of the present application, the processor of the electronic device may be a PWM control chip.

[0166] Specifically, in one embodiment of the present application, the processor involved may include, for example, a CPU, a DSP, a microcontroller, or a digital signal processor, and may also include a GPU, an embedded neural network processor (NPU), and an image signal processor (ISP). The processor may also include necessary hardware accelerators or logic processing hardware circuits, such as ASICs, or one or more integrated circuits for controlling the execution of the program of the technical solution of the present application. In addition, the processor may have the function of operating one or more software programs, and the software programs may be stored in a storage medium.

[0167] Specifically, in one embodiment of the present application, the memory of the electronic device may be a read-only memory (ROM), other types of static storage devices that can store static information and instructions, a random access memory (RAM) or other types of dynamic storage devices that can store information and instructions, or an electrically erasable programmable read-only memory (EEPROM), a compact disc read-only memory (CD-ROM) or other optical disc storage, optical disc storage (including compressed optical discs, laser discs, optical discs, digital versatile discs, Blu-ray discs, etc.), a magnetic disk storage medium or other magnetic storage device, or it may be any computer-readable medium that can be used to carry or store desired program code in the form of instructions or data structures and can be accessed by a computer.

[0168] Specifically, in one embodiment of the present application, the processor and the memory may be combined into a processing device, or more commonly, they may be independent components, with the processor being configured to execute program code stored in the memory to implement the method described in the embodiment of the present application. In a specific implementation, the memory may also be integrated into the processor or independent of the processor.

[0169] Furthermore, the devices, apparatuses, and modules described in the embodiments of the present application may be implemented by computer chips or entities, or by products having certain functions.

[0170] Those skilled in the art will appreciate that the embodiments of the present application may be provided as methods, apparatus, or computer program products. Thus, the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment, or an embodiment combining software and hardware. Furthermore, the present invention may take the form of a computer program product implemented on one or more computer-usable storage media containing computer-usable program code.

[0171] In the several embodiments provided in this application, if any function is implemented in the form of a software functional unit and sold or used as an independent product, it can be stored in a computer-readable storage medium. Based on this understanding, the technical solution of this application, or the part that contributes to the prior art, or part of the technical solution, can be embodied in the form of a software product, which is stored in a storage medium and includes a number of instructions for enabling a computer device (which can be a personal computer, server, or network device, etc.) to perform all or part of the steps of the method described in each embodiment of this application.

[0172] Specifically, an embodiment of the present application further provides a computer-readable storage medium, which stores a computer program. When the computer-readable storage medium is run on a computer, the computer executes the method provided in the embodiment of the present application.

[0173] An embodiment of the present application further provides a computer program product, which includes a computer program. When the computer program product is run on a computer, it enables the computer to execute the method provided in the embodiment of the present application.

[0174] The description of the embodiments in this application is described with reference to the flowcharts and / or block diagrams of the methods, devices (apparatus), and computer program products according to the embodiments of the 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 program instructions. These computer program 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.

[0175] These computer program instructions may also be stored in a computer readable memory that can direct a computer or other programmable data processing device to work in a specific manner, so that the instructions stored in the computer readable memory produce an article of manufacture comprising an instruction device, which implements the process Figure 1 a process or multiple processes and / or boxes Figure 1 The function specified in one or more boxes.

[0176] These computer program instructions can also be loaded onto a computer or other programmable data processing device so that a series of operational steps are executed on the computer or other programmable device to produce a computer-implemented process, thereby providing the instructions executed on the computer or other programmable device for implementing the process. Figure 1 a process or multiple processes and / or boxes Figure 1 A step that specifies a function in one or more boxes.

[0177] It should also be noted that, in the embodiments of the present application, "at least one" refers to one or more, and "more than one" refers to two or more. "And / or" describes the association relationship of associated objects, indicating that three relationships may exist. For example, A and / or B can represent the existence of A alone, the existence of A and B at the same time, and the existence of B alone. Among them, A and B can be singular or plural. The character " / " generally indicates that the previous and subsequent associated objects are in an "or" relationship. "At least one of the following" and similar expressions refer to any combination of these items, including any combination of single or plural items. For example, at least one of a, b and c can represent: a, b, c, a and b, a and c, b and c or a and b and c, where a, b, c can be single or multiple.

[0178] In the embodiments of the present application, the terms "comprises," "includes," or any other variations thereof are intended to encompass non-exclusive inclusion, such that a process, method, commodity, or apparatus comprising a series of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, commodity, or apparatus. In the absence of further limitations, an element defined by the phrase "comprising a ..." does not preclude the presence of additional identical elements in the process, method, commodity, or apparatus comprising the element.

[0179] The present application may be described in the general context of computer-executable instructions executed by a computer, such as program modules. Generally, program modules include routines, programs, objects, components, data structures, etc. that perform specific tasks or implement specific abstract data types. The present application may also be practiced in distributed computing environments where tasks are performed by remote processing devices connected through a communications network. In a distributed computing environment, program modules may be located in local and remote computer storage media, including storage devices.

[0180] The various embodiments in this application are described in a progressive manner. Similar parts between the various embodiments can be referred to in conjunction with each other. Each embodiment focuses on the differences from other embodiments. In particular, the device embodiments are generally similar to the method embodiments, so the description is relatively simple. For relevant parts, refer to the partial description of the method embodiments.

[0181] Those skilled in the art will appreciate that the various units and algorithm steps described in the embodiments of the present application can be implemented using a combination of electronic hardware, computer software, and electronic hardware. Whether these functions are performed in hardware or software depends on the specific application and design constraints of the technical solution. Professionals and technicians can use different methods to implement the described functions for each specific application, but such implementation should not be considered beyond the scope of this application.

[0182] Those skilled in the art will clearly understand that, for the convenience and brevity of description, the specific working processes of the above-described devices, apparatuses and units can refer to the corresponding processes in the aforementioned method embodiments and will not be repeated here.

[0183] The above description is merely a specific embodiment of the present application. Any person skilled in the art may easily conceive of variations or substitutions within the technical scope disclosed in this application, and such variations or substitutions shall be within the scope of protection of this application. The scope of protection of this application shall be subject to the scope of protection of the claims.

Claims

1. A method for indicating the TCI state, characterized in that, comprising: constructing a first DCI signaling based on the structure of a second DCI signaling for deactivating SPS PDSCH resources, such that the first DCI signaling does not schedule PDSCH, where: the first DCI signaling is used to indicate the currently activated TCI state, and the code points of the TCI field and / or the HARQ process number field of the first DCI signaling are associated with the currently activated TCI state; the code point of the MCS field of the first DCI signaling is all '1'; if the PDSCH frequency domain resource allocation type is Type 1, the code point of the FDRA field of the first DCI signaling is all '1', otherwise the code point of the FDRA field of the first DCI signaling is all '0'; transmitting the first DCI signaling.

2. The method according to claim 1, characterized in that: the code point of the NDI field of the first DCI signaling is '0'; the code point of the RV field of the first DCI signaling is '01', '10' or '11'.

3. The method according to claim 1, characterized in that: the first DCI signaling is scrambled by a first scrambling information, the first scrambling information is the scrambling information for TCI indication, and the first scrambling information is inconsistent with the CS-RNTI used for scrambling the second DCI signaling.

4. The method according to claim 2 or 3, characterized in that: the TCI field of the first DCI signaling is used to indicate one TCI state, and all code points of the HARQ process number field of the first DCI signaling are not associated with a TCI state.

5. The method according to claim 2 or 3, characterized in that: the TCI field of the first DCI signaling is used to indicate two TCI states, and all code points of the HARQ process number field of the first DCI signaling are not associated with a TCI state.

6. The method according to claim 2 or 3, characterized in that: the TCI field of the first DCI signaling is used to indicate one TCI state, and the HARQ process number field of the first DCI signaling is used to indicate one TCI state.

7. The method according to claim 5 or 6, characterized in that: the RV field of the first DCI signaling is used to point to one or two TCI states indicated by the first DCI signaling to further select the currently indicated TCI state.

8. The method according to any one of claims 4 to 7, characterized in that: the RV field of the first DCI signaling is used to indicate that the first DCI signaling is applicable to the uplink and / or downlink channels.

9. The method according to claim 3, characterized in that: the NDI field of the first DCI signaling is used to point to one TCI state indicated by the first DCI signaling to further select the currently indicated TCI state; or, the NDI field of the first DCI signaling is used to indicate that the first DCI signaling is applicable to the uplink and / or downlink channels.

10. A device for indicating the TCI state, characterized in that, it includes: A signaling construction module, which is used to construct a first DCI signaling based on the structure of the second DCI signaling for deactivating SPS PDSCH resources, so that the first DCI signaling does not schedule PDSCH, where: The first DCI signaling is used to indicate the currently activated TCI state, and the code points of the TCI field and / or the HARQ process number field of the first DCI signaling are associated with the activated TCI state; The code point of the MCS field of the first DCI signaling is all '1'; If the PDSCH frequency domain resource allocation type is Type 1, the code point of the FDRA field of the first DCI signaling is all '1', otherwise the code point of the FDRA field of the first DCI signaling is all '0'; A signaling sending module, which is used to send the first DCI signaling.

11. A communication chip, characterized in that, it includes: A processor, which is used to execute computer program instructions stored in a memory. When the computer program instructions are executed by the processor, the communication chip is triggered to execute the method steps described in any one of claims 1 to 9.

12. An electronic device, characterized in that, The electronic device includes a memory for storing computer program instructions and a processor for executing the program instructions. When the computer program instructions are executed by the processor, the electronic device is triggered to execute the method steps described in any one of claims 1 to 9.

13. A computer-readable storage medium, characterized in that, The computer-readable storage medium stores a computer program, which when running on a computer causes the computer to execute the method described in any one of claims 1-9.

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