Base station and method for transmitting and receiving signals therefrom

Abstract

The present invention provides a method for facilitating the efficient use of resources, a base station, and an integrated circuit. [Solution] The base station includes a TCI indicator that specifies that two or more TCI states are set, a processor that generates DCI signaling in which each of the two or more TCI states is associated with one of the two or more TCI states, and a transceiver that transmits the DCI signaling, wherein for each of the two or more TCI states, the transceiver receives or transmits data on the time-domain resource associated with each TCI state. The indicator is an index that indicates an entry in a TDRA table, and the entry in the TDRA table indicates the starting position of the time-domain resource for the first reception, the length of the time-domain resource for the first reception, and information about symbols that are not available for reception.

Claims

1. It is a base station, A processor that generates downlink control information (DCI) signaling, including a TCI indicator that specifies that two or more TCI (Transmission Configuration Indication) states are set, and instructions indicating a time-domain resource for reception and an association between the two or more TCI states and the time-domain resource, wherein each of the time-domain resources is associated with one of the two or more TCI states; A transceiver that transmits the DCI signaling, It has, The transceiver receives or transmits data on the time-domain resource associated with each of the two or more TCI states. The above instruction is an index that indicates entries in the TDRA (Time Domain Resource Assignment) table, The entries in the aforementioned TDRA table are: The starting position of the time-domain resource for the first reception, the length of the time-domain resource for the first reception, and information regarding symbols that are not available for the reception are shown. Base station.

2. The start position of the first time-domain resource for reception, which is an entry in the TDRA table, and the length of the first time-domain resource for reception are SLIV (Start and Length Indicator Value), The TDRA table includes two or more sets of the SLIV, Each set corresponds to its respective TCI state. Each SLIV corresponds to its respective reception, The starting position of each of the time-domain resources for reception, wherein each of the time-domain resources for reception is associated with the TCI state corresponding to each of the sets of SLIVs, The length of the time-domain resource for each of the aforementioned receptions, To instruct, The base station according to claim 1.

3. The entries in the TDRA table include an indication of the total number of receptions, The base station according to claim 2.

4. The aforementioned processor, For each set containing one SLIV, the start position and length of the time-domain resource for each first reception are indicated according to the SLIV contained in the set, and / or For each reception other than one of the first receptions, the DCI signaling is generated, indicating a sequence of TCI states, an association between one of the two or more TCI states and the time-domain resource for the reception according to a pattern corresponding to the start position of the time-domain resource for the first reception, the length of the time-domain resource for the reception by the length of each of the time-domain resources for the first reception, wherein each of the time-domain resources for the first reception and the time-domain resource for the reception are associated with the same TCI state, and / or the start position of the time-domain resource for the reception by the offset, start position and length of the time-domain resource for one of the receptions preceding the reception, wherein the offset corresponds to the start position and / or length of at least two time-domain resources for the first receptions. The base station according to claim 3.

5. The entries in the aforementioned TDRA table are: The instruction for the total number of receptions, The offset instruction during the aforementioned reception, A single SLIV indicating the start position of the time-domain resource for the first reception and the length of the time-domain resource for the first reception, including, The base station according to claim 1.

6. The aforementioned processor, The start position of the time-domain resource for the first reception, indicated by the single SLIV for the first reception, The length of the time-domain resource for the first reception, as indicated by the length of the single SLIV for the first reception, and / or, For each reception other than the first reception, the length of the time-domain resource for the reception, the start position of the time-domain resource for the reception, the start position of the time-domain resource for the reception, the length of the time-domain resource for the first reception, and the association between the two or more TCI states and the time-domain resource for the reception according to a predetermined pattern, Instruct, The DCI signaling is generated by The base station according to claim 5.

7. The DCI signaling generated by the processor instructs the mapping of the reception to the time-domain resource, The length of the time-domain resource for each reception is the same as the length shown for the first reception. The reception is mapped to available time-domain resources of the two or more TCI states according to a predetermined offset starting from the start position of the time-domain resource for the first reception, wherein the predetermined offset indicates the interval between time-domain resources for consecutive receptions. Each of the aforementioned time-domain resources is associated with one of the two or more TCI states according to a predetermined pattern. The base station according to claim 1.

8. The DCI signaling generated by the processor instructs the mapping of the reception to the time-domain resource, The reception is mapped to the two or more TCI state time-domain resources according to a predetermined offset starting from the start position of the first reception time-domain resource, The predetermined offset indicates the interval between consecutive received time-domain resources. The time-domain resource to which the reception is mapped includes available and unavailable time-domain resources. Any reception counts an unavailable time-domain resource and maps it to a time-domain resource having a length indicated for the first reception. Any inbound that maps to a time domain resource containing an unavailable time domain resource is punctured, Each of the aforementioned time-domain resources is associated with one of the two or more TCI states according to a predetermined pattern. The base station according to claim 1.

9. The DCI signaling generated by the processor indicates the TDRA table from at least two predetermined TDRA tables according to the TCI indicator. The base station according to claim 1.

10. The aforementioned reception is a repetition of the same data portion. The base station according to claim 1.

11. A method for base stations, A step of generating downlink control information (DCI) signaling including a TCI indicator that specifies that two or more TCI (Transmission Configuration Indication) states are set, and an instruction indicating an association between a time-domain resource for reception and the two or more TCI states and the time-domain resource, wherein each of the time-domain resources is associated with one of the two or more TCI states, The steps include transmitting the DCI signaling, For each of the two or more TCI states, the steps include receiving or transmitting data on the time-domain resource associated with each TCI state, Includes, The above instruction is an index that indicates entries in the TDRA (Time Domain Resource Assignment) table, The entries in the aforementioned TDRA table are: The starting position of the time-domain resource for the first reception, the length of the time-domain resource for the first reception, and information regarding symbols that are not available for the reception are shown. method.

12. An integrated circuit that controls the processing of a base station, wherein the processing is A step of generating downlink control information (DCI) signaling, which includes a TCI indicator specifying that two or more TCI (Transmission Configuration Indication) states are set, and an instruction indicating an association between a time-domain resource for reception and the two or more TCI states and the time-domain resource, wherein each of the time-domain resources is associated with one of the two or more TCI states, The steps include transmitting the DCI signaling, For each of the two or more TCI states, the steps include receiving or transmitting data on the time-domain resource associated with each TCI state, Includes, The above instruction is an index that indicates entries in the TDRA (Time Domain Resource Assignment) table, The entries in the aforementioned TDRA table are: The starting position of the time-domain resource for the first reception, the length of the time-domain resource for the first reception, and information regarding symbols that are not available for the reception are shown. Integrated circuit.

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