CN-116368922-B - Transmission configuration indication state determining method, configuration method, device and storage medium

Abstract

The present disclosure relates to a transmission configuration indication state determining method, a configuration method, a device and a storage medium, wherein the method comprises the steps of obtaining first indication information, wherein the first indication information is used for determining a first transmission configuration indication state, and the first transmission configuration indication state comprises N sets of unified transmission configuration indication states; and acquiring second indication information, wherein the second indication information is used for determining a second transmission configuration indication state corresponding to a physical shared channel of the terminal, the second transmission configuration indication state is one or more sets of unified transmission configuration indication states in N sets of unified transmission configuration indication states, the physical shared channel comprises a physical uplink shared channel and/or a physical downlink shared channel, the physical downlink control channel of the terminal is configured to be communicated based on a single frequency network SFN scheme, and the first indication information and the second indication information are received through the physical downlink control channel. The method can improve the transmission flexibility of the physical shared channel based on the unified transmission configuration indication state.

Inventors

• LI MINGJU

Assignees

• 北京小米移动软件有限公司

Dates

Publication Date

20260505

Application Date

20230214

Claims (20)

1. 1. A transmission configuration indication state determining method, wherein the method is performed by a terminal, the method comprising: Transmitting capability information, wherein the capability information is used for indicating that the terminal supports the physical downlink control channel only to be configured to communicate based on the SFN scheme, or the capability information is used for indicating that the terminal does not support the physical downlink control channel only to be configured to communicate based on the SFN scheme; Acquiring first indication information, wherein the first indication information is used for determining a first transmission configuration indication state TCI state, the first TCI state comprises N sets of unified transmission configuration indication states unified TCI state, and N is a positive integer greater than 1; Acquiring second indication information, where the second indication information is used to determine a second TCI state corresponding to a physical shared channel of the terminal, where the second TCI state is one or more sets unified TCI state of the N sets unified TCI state; the physical shared channel comprises a physical uplink shared channel and/or a physical downlink shared channel, the physical downlink control channel of the terminal is configured to communicate based on a single frequency network SFN scheme, and the first indication information and the second indication information are received through the physical downlink control channel; Wherein, in response to the terminal supporting physical downlink control channel only being configured to communicate based on an SFN scheme, the second indication information is to indicate one or more of the N sets unified TCI state of unified TCI state as the second TCI state; The second indication information is for indicating a plurality of sets unified TCI state of the N sets unified TCI state as the second TCI state in response to the terminal not supporting only physical downlink control channels configured to communicate based on an SFN scheme.
2. 2. The method of claim 1, wherein the physical shared channel is configured to communicate based on a non-SFN scheme; the SFN scheme in which the physical downlink control channel is configured is a first single frequency network scheme SFNSCHEMEA and/or the SFN scheme in which the physical downlink control channel is configured is a second single frequency network scheme SFNschemeB.
3. 3. The method of claim 1, wherein the physical shared channel is configured as the same SFN scheme as the physical downlink control channel.
4. 4. The method of claim 3, wherein the SFN scheme in which the physical downlink control channel is configured is a first single frequency network scheme SFNSCHEMEA or a second single frequency network scheme SFNschemeB.
5. 5. The method of claim 1, wherein the received first indication information includes L times of received information, and the i-th time of received information is used to indicate the K i set unified TCI state, where L is a positive integer, and i is a positive integer less than or equal to L; The N sleeve unified TCI state is determined based on the K i sleeve unified TCI state, or The N sleeve unified TCI state is determined based on the K i sleeve unified TCI state and the K j sleeve unified TCI state, where j is a positive integer less than or equal to L, and i is not equal to j.
6. 6. The method of claim 5, wherein the N sleeve unified TCI state is determined based on the K i sleeve unified TCI state, comprising: The i=l, the K i set unified TCI state is determined based on the information received the L-th time, where the information received the L-th time is the information received the last time.
7. 7. The method of claim 6, wherein the N sleeve unified TCI state is determined based on the K i sleeve unified TCI state and K j sleeve unified TCI state, comprising: The i=l, the K i sets unified TCI state are determined based on the L-th received information, the j is smaller than i, the K j sets unified TCI state are determined based on the j-th received information, and the L-th received information does not update at least one set unified TCI state of the K j sets unified TCI state.
8. 8. The method of claim 1, wherein at least one control resource set CORESET of the terminal is configured to be associated with multiple ones unified TCI state of the N sets unified TCI state.
9. 9. The method according to claim 6, characterized in that the first indication information is carried in a medium access control element MAC CE and/or in downlink control information DCI.
10. 10. The method of claim 9, wherein the first indication information is carried in a MAC CE, the MAC CE being configured to activate a K-gram unified TCI state, the K-gram unified TCI state corresponding to a first code point of a TCI indication field of the DCI.
11. 11. The method of claim 9, wherein the first indication information is carried in a MAC CE and a DCI, the MAC CE being configured to activate a plurality of code points of a TCI state field of the DCI in one-to-one correspondence with a K-jacket unified TCI state, the TCI state field of the DCI being configured to indicate one of the plurality of code points.
12. 12. The method of claim 11, wherein at least one of the plurality of codepoints corresponds to a plurality of sets unified TCI state.
13. 13. The method of claim 1, wherein the number of physical shared channels is one or more.
14. 14. The method of claim 1, wherein the N sets unified TCI state correspond to multiple transmission-reception points.
15. 15. A transmission configuration indication status configuration method, the method being performed by a network device, the method comprising: Receiving capability information, wherein the capability information is used for indicating that a terminal supports the communication based on the SFN scheme by only a physical downlink control channel, or the capability information is used for indicating that the terminal does not support the communication based on the SFN scheme by only a physical downlink control channel; Transmitting first indication information, wherein the first indication information is used for configuring a first transmission configuration indication state TCI state, the first TCI state comprises N sets of unified transmission configuration indication states unified TCI state, and N is a positive integer greater than 1; transmitting second indication information, where the second indication information is used to configure a second TCI state corresponding to a physical shared channel of the terminal, where the second TCI state is one or more sets unified TCI state of the N sets unified TCI state; The physical shared channel comprises a physical uplink shared channel and/or a physical downlink shared channel, the physical downlink control channel of the terminal is configured to communicate based on a single frequency network SFN scheme, and the first indication information and the second indication information are received through the physical downlink control channel; Wherein, in response to the terminal supporting physical downlink control channel only being configured to communicate based on an SFN scheme, the second indication information is to indicate one or more of the N sets unified TCI state of unified TCI state as the second TCI state; The second indication information is for indicating a plurality of sets unified TCI state of the N sets unified TCI state as the second TCI state in response to the terminal not supporting only physical downlink control channels configured to communicate based on an SFN scheme.
16. 16. The method of claim 15, wherein the physical shared channel is configured to communicate based on a non-SFN scheme; the SFN scheme in which the physical downlink control channel is configured is a first single frequency network scheme SFNSCHEMEA and/or the SFN scheme in which the physical downlink control channel is configured is a second single frequency network scheme SFNschemeB.
17. 17. The method of claim 15, wherein the physical shared channel is configured as the same SFN scheme as the physical downlink control channel.
18. 18. The method of claim 15, wherein the SFN scheme in which the physical downlink control channel is configured is a first single frequency network scheme SFNSCHEMEA or a second single frequency network scheme SFNschemeB.
19. 19. The method of claim 15, wherein the transmitted first indication information is transmitted L times, and the i-th transmitted information is used to indicate the K i set unified TCI state, where L is a positive integer, and i is a positive integer less than or equal to L; The N sleeve unified TCI state is determined based on the K i sleeve unified TCI state, or The N sleeve unified TCI state is determined based on the K i sleeve unified TCI state and the K j sleeve unified TCI state, where j is a positive integer less than or equal to L, and i is not equal to j.
20. 20. The method of claim 19, wherein the N sleeve unified TCI state is determined based on the K i sleeve unified TCI state, comprising: And determining the K i sleeve unified TCI state based on the information sent by the L th time, wherein the information sent by the L th time is the information sent by the last time.

Description

Transmission configuration indication state determining method, configuration method, device and storage medium Technical Field The disclosure relates to the field of communication technologies, and in particular, to a transmission configuration indication state determining method, a configuration method, a device and a storage medium. Background In New Radio technologies (NR), for example, when the communication band is in band 2 (frequency range 2), since the high-frequency channel decays faster, in order to ensure coverage, beam-based transmission and reception are required. In the related art, the beam may be indicated by transmitting a configuration indication (transmission configuration indication, TCI) state (state) or spatial relationship information (spatialrelationinfo). In the manner of indicating beams for TCI states, TCI states corresponding to each physical channel may be indicated based on signaling. To reduce signaling overhead, 3GPP introduced a unified transmission configuration indication state (unified Transmission Configuration Indication state, unified TCI state). In the case of multiple transmitting and receiving points, there are multiple physical channels, and the process of configuring the multiple physical channels is complicated. Disclosure of Invention To overcome the problems in the related art, the present disclosure provides a transmission configuration indication state determining method, a configuration method, an apparatus, and a storage medium. According to a first aspect of embodiments of the present disclosure, there is provided a transmission configuration indication status determining method, the method being performed by a terminal, the method comprising: Acquiring first indication information, wherein the first indication information is used for determining a first transmission configuration indication state TCI state, the first TCI state comprises N sets of unified transmission configuration indication states unified TCI state, and N is a positive integer greater than 1; Acquiring second indication information, where the second indication information is used to determine a second TCI state corresponding to a physical shared channel of the terminal, where the second TCI state is one or more sets unified TCI state of the N sets unified TCI state; the physical shared channel comprises a physical uplink shared channel and/or a physical downlink shared channel, the physical downlink control channel of the terminal is configured to communicate based on a single frequency network SFN scheme, and the first indication information and the second indication information are received through the physical downlink control channel. According to a second aspect of embodiments of the present disclosure, there is provided a transmission configuration indication status configuration method, the method being performed by a network device, the method comprising: Transmitting first indication information, wherein the first indication information is used for configuring a first transmission configuration indication state TCI state, the first TCI state comprises N sets of unified transmission configuration indication states unified TCI state, and N is a positive integer greater than 1; transmitting second indication information, where the second indication information is used to configure a second TCI state corresponding to a physical shared channel of the terminal, where the second TCI state is one or more sets unified TCI state in the N sets unified TCI state; the physical shared channel comprises a physical uplink shared channel and/or a physical downlink shared channel, the physical downlink control channel of the terminal is configured to communicate based on a single frequency network SFN scheme, and the first indication information and the second indication information are received through the physical downlink control channel. According to a third aspect of the embodiments of the present disclosure, there is provided a transmission configuration instruction status determining apparatus, characterized by comprising: the receiving unit is configured to acquire first indication information, wherein the first indication information is used for determining a first transmission configuration indication state TCI state, the first TCI state comprises N sets of unified transmission configuration indication states unified TCI state, and N is a positive integer greater than 1; Acquiring second indication information, where the second indication information is used to determine a second TCI state corresponding to a physical shared channel of the terminal, where the second TCI state is one or more sets unified TCI state of the N sets unified TCI state; the physical shared channel comprises a physical uplink shared channel and/or a physical downlink shared channel, the physical downlink control channel of the terminal is configured to communicate based on a single frequency network SFN scheme,