CN-119483855-B - Method, apparatus, system and computer readable storage medium for indicating configuration

Abstract

The invention discloses a configuration indicating method, device, system and computer readable storage medium, relating to the technical field of wireless communication. The method for indicating the configuration comprises the steps that the base station sends a bitmap to the terminal, wherein each of at least part of bits in the bitmap corresponds to one sub-configuration of the channel state information reporting configuration, and the bitmap is used for indicating the triggered sub-configuration for channel measurement. According to the embodiment of the invention, when the base station selects and indicates a plurality of resources, the base station can indicate the triggering of one or a plurality of sub-configurations at one time in a bitmap mode, so that the complexity and network overhead of the terminal for measuring the reference signals are reduced, and the flexibility and reliability of parameter configuration and the CSI feedback efficiency are improved. Embodiments of the present invention may enable the indication and selection of multiple sub-configurations, e.g., applicable to situations where antenna port turn-off and transmit power are flexibly selected.

Inventors

• YIN HANG
• LI NANXI
• ZHU JIANCHI
• SHE XIAOMING

Assignees

• 中国电信股份有限公司技术创新中心
• 中国电信股份有限公司

Dates

Publication Date

20260512

Application Date

20230811

Claims (18)

1. 1. A method of indicating a configuration, comprising: The base station sends a bitmap to the terminal, wherein each of at least part of bits in the bitmap corresponds to one sub-configuration of channel state information reporting configuration, the bitmap is used for indicating triggered sub-configurations for channel measurement, the bitmap comprises a first part and a second part, each bit in the first part represents the sub-configuration under one antenna port number, each bit in the second part represents information of resources for measurement by using the triggered sub-configuration, and each sub-configuration is associated with multiple resources.
2. 2. The indication method of claim 1, wherein one or more bits set to a target value are used to represent a triggered sub-configuration in the bitmap.
3. 3. The indication method according to claim 1, wherein each sub-configuration represents a sub-configuration at one antenna port number or a sub-configuration at one transmit power offset.
4. 4. The indication method of claim 1, wherein the information of the resource is a transmit power offset value.
5. 5. The indication method of claim 1, wherein the corresponding bit of each sub-configuration in the bitmap is determined according to an arrangement order of the sub-configurations in the channel state information reporting configuration.
6. 6. The indication method of claim 5, wherein each sub-configuration in the channel state information reporting configuration is arranged according to the number of antenna ports corresponding to the sub-configuration.
7. 7. The indication method of claim 5, wherein each sub-configuration in the channel state information reporting configuration is arranged according to a transmit power offset corresponding to the sub-configuration.
8. 8. The indication method according to any one of claims 1-7, wherein the sub-configuration is a configuration for channel state information indication signal resources.
9. 9. The indication method according to any one of claims 1-7, wherein the base station sending a bitmap to a terminal includes: And the base station sends the bitmap for configuration to the terminal through a radio resource control signaling, downlink control information or a control unit of a medium access control layer.
10. 10. The indication method of claim 9, wherein the sub-configuration is configured to indicate a configuration of signal resources for non-periodic non-zero power channel state information or semi-persistent non-zero power channel state information.
11. 11. The indication method according to claim 1, further comprising: And the base station receives the measurement result reported by the terminal, wherein the reported measurement result comprises the measurement result of the terminal for measurement based on the triggered sub-configuration.
12. 12. A method of indicating a configuration, comprising: A terminal receives a bitmap sent by a base station, wherein each of at least part of bits in the bitmap corresponds to one sub-configuration of channel state information reporting configuration, the bitmap is used for indicating triggered sub-configurations for channel measurement, the bitmap comprises a first part and a second part, each bit in the first part represents the sub-configuration under one antenna port number, each bit in the second part represents information of resources for measurement by using the triggered sub-configuration, and each sub-configuration is associated with multiple resources; the terminal measures based on the triggered sub-configuration; And the terminal sends the measurement result to the base station.
13. 13. A base station, comprising: A transmitting module configured to transmit a bitmap to a terminal, where each of at least some bits in the bitmap corresponds to one sub-configuration of a channel state information reporting configuration, the bitmap is used to indicate triggered sub-configurations for channel measurement, the bitmap includes a first portion and a second portion, each bit in the first portion represents one sub-configuration under the number of antenna ports, each bit in the second portion represents information of resources for measurement using the triggered sub-configuration, and each sub-configuration is associated with multiple resources.
14. 14. A base station, comprising: Memory, and A processor coupled to the memory, the processor configured to perform the method of indicating a configuration as claimed in any one of claims 1 to 11 based on instructions stored in the memory.
15. 15. A terminal, comprising: A receiving module configured to receive a bitmap sent by a base station, where each of at least some bits in the bitmap corresponds to one sub-configuration of a channel state information reporting configuration, the bitmap is used to indicate a triggered sub-configuration for channel measurement, the bitmap includes a first portion and a second portion, each bit in the first portion represents one sub-configuration under the number of antenna ports, each bit in the second portion represents information of resources for measurement using the triggered sub-configuration, and each sub-configuration is associated with multiple resources; a measurement module configured to measure based on the triggered sub-configuration; and the transmitting module is configured to transmit the measurement result to the base station.
16. 16. A terminal, comprising: Memory, and A processor coupled to the memory, the processor configured to perform the method of indicating the configuration of claim 12 based on instructions stored in the memory.
17. 17. A configured indication system, comprising: The base station according to claim 13 or 14, and A terminal according to claim 15 or 16.
18. 18. A computer readable storage medium having stored thereon a computer program which when executed by a processor implements the method of indicating a configuration according to any of claims 1 to 12.

Description

Method, apparatus, system and computer readable storage medium for indicating configuration Technical Field The present invention relates to the field of wireless communications technologies, and in particular, to a method, an apparatus, a system, and a computer readable storage medium for indicating configuration. Background In a 5G network, the energy consumption of a single base station can reach more than 3 times of an LTE (Long Term Evolution, long term evolution for short) base station, and the total energy consumption of the 5G network is close to 4 times of the LTE because the frequency spectrum of the 5G network is higher and the density is higher, so that the energy consumption cost is nearly half of the total cost of network operation. Reducing the power of the antenna is an important direction to reduce the overall energy consumption of the network, so that the operating cost of the 5G network can be reduced. And simultaneously measuring a plurality of CSI-RS (CHANNEL STATE Information REFERENCE SIGNAL) resources, and reporting the plurality of CSI to the base station by the terminal, so that the network energy consumption can be reduced by adjusting the antenna distribution and the transmitting power of the base station. However, the terminal needs to measure and report to each antenna distribution condition and transmitting power of the CSI-RS resource, and excessive CSI reported at one time may cause the increase of feedback overhead of the terminal and the network, and the efficiency of CSI feedback needs to be further improved. Disclosure of Invention The technical problem to be solved by the embodiment of the invention is how to reduce the energy consumption of the base station and improve the CSI feedback efficiency. According to a first aspect of some embodiments of the present invention, there is provided a method for indicating a configuration, including a base station transmitting a bitmap to a terminal, wherein each of at least some bits in the bitmap corresponds to one of the sub-configurations of a channel state information reporting configuration, the bitmap being used for indicating triggered sub-configurations for channel measurement. In some embodiments, in the bitmap, one or more bits set to the target value are used to represent the triggered sub-configuration. In some embodiments, each sub-configuration represents a sub-configuration at one antenna port number, or a sub-configuration at one transmit power offset. In some embodiments, the bitmap includes a first portion and a second portion, each bit in the first portion representing a sub-configuration for one number of antenna ports, and each bit in the second portion representing information for resources for measurements using the triggered sub-configuration. In some embodiments, the information of the resource is a transmit power offset value. In some embodiments, the bits corresponding to each sub-configuration in the bitmap are determined according to the order in which the sub-configurations are arranged in the channel state information reporting configuration. In some embodiments, each sub-configuration in the channel state information reporting configuration is arranged according to the number of antenna ports corresponding to the sub-configuration. In some embodiments, each sub-configuration in the channel state information reporting configuration is arranged according to a transmit power offset corresponding to the sub-configuration. In some embodiments, the sub-configuration is a configuration indicating signal resources for channel state information. In some embodiments, the base station transmitting the bitmap to the terminal includes the base station transmitting the bitmap for configuration to the terminal through radio resource control signaling, downlink control information, or a control unit of a medium access control layer. In some embodiments, the sub-configuration is configured to indicate a configuration of signal resources for non-periodic non-zero power channel state information or semi-persistent non-zero power channel state information. In some embodiments, the configuration indication method further comprises the step that the base station receives measurement results reported by the terminal, wherein the reported measurement results comprise measurement results of the terminal for measurement based on the triggered sub-configuration. According to a second aspect of some embodiments of the present invention, there is provided a method for indicating a configuration, including a terminal receiving a bitmap transmitted by a base station, wherein each of at least some bits in the bitmap corresponds to one of sub-configurations of a channel state information reporting configuration, the bitmap is used to indicate a triggered sub-configuration for channel measurement, the terminal performs measurement based on the triggered sub-configuration, and the terminal transmits a measurement result to the base