JP-2026514459-A - Devices, methods, and apparatus for improving the measurement and reporting of channel status information

Abstract

An exemplary embodiment of this disclosure relates to an improvement in reporting channel state information (CSI). A terminal device receives information indicating at least two spatial configurations configured by a network device, and the information is used by the terminal device for at least one of a channel state information (CSI) measurement or CSI report associated with a single CSI reporting configuration. Based on the information, the terminal device performs one or more measurements associated with at least one of the at least two spatial configurations. The terminal device transmits at least one CSI report associated with one or more measurements. The CSI reports provided in this disclosure may support dynamic spatial adaptation.

Inventors

• デゲル マタ
• チェン ナイチェン

Assignees

• ノキア テクノロジーズ オサケユイチア

Dates

Publication Date

20260511

Application Date

20230404

Claims (20)

1. At least one processor, At least one memory for storing instructions, A terminal device comprising, where the instruction, when executed by the at least one processor, the terminal device has at least Receiving information from a network device that indicates at least two spatial configurations configured by the network device, wherein the information is used by the terminal device for at least one of channel state information (CSI) measurement or CSI reporting related to a single CSI reporting configuration. Based on the above information, perform one or more measurements related to at least one of the at least two spatial settings, Based on the information, transmit at least one CSI report related to the one or more measurements to the network device. A terminal device that executes an action.
2. The aforementioned terminal device is The terminal device according to claim 1, which is configured to perform the task of determining the at least one spatial setting based on the aforementioned information.
3. The aforementioned terminal device is The terminal device according to claim 1 or 2, wherein it is configured to perform the task of determining the order of the at least one spatial configuration based on the aforementioned information.
4. The information includes at least one rule relating to the at least two spatial settings, and the terminal device is The terminal device according to claim 1 or 2, wherein it is configured to perform the task of determining the order of the at least one spatial configuration based on the at least one rule.
5. The terminal device according to any one of claims 1 to 4, wherein the information includes the sequence of at least one spatial setting.
6. The aforementioned terminal device is The terminal device according to any one of claims 3 to 5, wherein it is configured to perform at least one of the one or more measurements or the transmission of at least one CSI report based on the sequence of at least one spatial setting.
7. The aforementioned at least one spatial setting includes a plurality of ordered spatial settings, The spatial setting among the multiple ordered spatial settings that becomes applicable or active first becomes applicable or active after receiving the information to trigger the CSI report. The terminal device according to any one of claims 3 to 5.
8. The plurality of ordered spatial settings include a first spatial setting and a second spatial setting that are adjacent to each other. The second spatial setting described above is, Immediately following the CSI report corresponding to the first spatial setting, A certain period of time after the CSI report corresponding to the first spatial setting described above, Before the first CSI-RS resource occurs among the CSI-reference signal (RS) resources for spatial settings other than the spatial setting that becomes applicable or active first, When the first CSI-RS resource among the CSI-Reference Signal (RS) resources for spatial settings other than the spatial setting that becomes initially applicable or active occurs, or within a certain period of time indicated to the terminal device, or based on a time offset indicated to the terminal device, The terminal device according to claim 7, which is applicable or activated.
9. The aforementioned at least one spatial setting is repeated a certain number of times based on the CSI reporting cycle, or based on the CSI-RS resource or transmission cycle. The terminal device according to any one of claims 1 to 8.
10. A sequence including the at least one spatial setting is repeated a certain number of times in a sequence unit, or one or more of the at least one spatial settings are repeated consecutively a certain number of times within the sequence. The terminal device according to any one of claims 1 to 8.
11. The aforementioned at least one spatial setting is At least one set of antenna ports, At least one subset of the set of antenna ports, At least one spatial configuration or codebook configuration, Information indicating a set of active transceiver units, Information indicating a subset of the set of active transceiver units, Information indicating a set of muted transceiver units, Information indicating a subset of the set of muted transceiver units, At least one energy level, At least one energy-saving level, At least one power offset, At least one frequency-related configuration, At least one CSI-reference signal (RS) resource for at least one channel measurement, At least one CSI-RS resource for at least one interference measurement, At least one spatial pattern, At least one antenna pattern, or at least one resource setting, A terminal device according to any one of claims 1 to 10, comprising or corresponding to at least one of the above.
12. The set of at least two spatial configurations is configured by the network device to support multiple sequences. The aforementioned terminal device is A terminal device according to any one of claims 1 to 11, which is configured to select a sequence corresponding to at least one spatial setting from the plurality of sequences based on the aforementioned information.
13. With respect to the spatial setting of at least one of the spatial settings, the terminal device further has at least the following: Selecting one or more spatial settings from the aforementioned at least one spatial setting, Performing one or more measurements relating to the selected one or more spatial settings, or reporting the results of the one or more measurements relating to the selected one or more spatial settings along with the selected one or more spatial settings, A terminal device according to any one of claims 1 to 12, which is configured to perform the following.
14. The terminal device according to any one of claims 1 to 13, wherein the information is indicated by at least one of downlink control information (DCI), media access control element (MAC CE), or RRC message.
15. The terminal device according to any one of claims 1 to 14, wherein the information further indicates the duration for which measurements relating to the spatial setting of at least one of the spatial settings are performed.
16. The terminal device according to any one of claims 1 to 15, wherein the spatial setting is replaced by a reporting subconfiguration or spatial pattern, or corresponds to a reporting subconfiguration or spatial pattern.
17. The terminal device according to any one of claims 1 to 16, wherein the information includes at least one of a bitmap, a bit sequence, or a code point.
18. At least one processor, At least one memory for storing instructions, A network device comprising, where the instruction, when executed by the at least one processor, causes the network device to have at least Transmitting information to a terminal device that indicates at least two spatial configurations configured by the network device, wherein the information is used by the terminal device for at least one of channel state information (CSI) measurement or CSI reporting related to a single CSI reporting configuration. Receiving at least one CSI report from the terminal device relating to one or more measurements, wherein the one or more measurements relate to at least one of the at least two spatial settings and are performed based on the information, A network device that performs the following action.
19. The network device according to claim 18, wherein the at least one spatial setting is determined by the terminal device based on the information.
20. The network device according to claim 18 or 19, wherein the order of at least one spatial configuration is determined by the terminal device based on the information.

Description

The exemplary embodiments of this disclosure generally relate to the field of telecommunications, and more particularly to terminal devices, network devices, methods, and apparatus for improving the measurement and/or reporting of channel state information (CSI). Network energy efficiency is crucial for environmental sustainability, reducing environmental impact (greenhouse gas emissions), and lowering operating costs. As 5G networks become denser, more antennas, wider bandwidth, and more frequency bands will be required. The environmental impact of 5G must be continuously managed, and new solutions to improve network energy efficiency need to be developed. Energy consumption is a significant part of operators' operating costs. The majority of energy consumption originates from wireless access networks, particularly active antenna units (AAUs), with data centers and fiber optic transmissions accounting for a smaller proportion. The network energy conservation section of Rel-18 NR specifies dynamic spatial adaptation in network devices. Therefore, improvements in the measurement and reporting of CSI (reference signal) (RS) for dynamic spatial adaptation are required. Generally, exemplary embodiments of this disclosure provide solutions for improving the measurement and/or reporting of channel status information (CSI). In the first embodiment, a terminal device is provided. This terminal device may comprise at least one processor and at least one memory for storing instructions, the instructions, when executed by at least one processor, cause the terminal device to at least receive information from a network device indicating at least two spatial configurations configured by the network device, the information being used by the terminal device for at least one of channel state information (CSI) measurements or CSI reports relating to a single CSI reporting configuration; to perform one or more measurements relating to at least one of the at least two spatial configurations based on the information; and to transmit at least one CSI report relating to one or more measurements to the network device based on the information. In a second embodiment, a network device is provided. This network device may comprise at least one processor and at least one memory for storing instructions, the instructions, when executed by at least one processor, cause the network device to transmit information to a terminal device indicating at least two spatial configurations configured by the network device, the information being used by the terminal device for at least one of channel state information (CSI) measurements or CSI reports relating to a single CSI reporting configuration; and to receive at least one CSI report relating to one or more measurements, the one or more measurements relating to at least one of the at least two spatial configurations and being performed based on the information. In a third embodiment, a method is provided. This method may include: receiving information from a network device, which indicates at least two spatial configurations configured by the network device, the information being used by the terminal device for at least one of channel state information (CSI) measurements or CSI reports relating to a single CSI reporting configuration; performing one or more measurements relating to at least one of the at least two spatial configurations based on the information; and transmitting at least one CSI report relating to one or more measurements to the network device based on the information. In a fourth aspect, a method is provided. This method may include: transmitting information to a terminal device by a network device indicating at least two spatial configurations configured by the network device, the information being used by the terminal device for at least one of channel state information (CSI) measurements or CSI reports relating to a single CSI reporting configuration; and receiving at least one CSI report relating to one or more measurements from the terminal device, the one or more measurements relating to at least one of the at least two spatial configurations and being performed based on the information. In a fifth embodiment, an apparatus is provided. This apparatus may include means for receiving information from a network device indicating at least two spatial configurations configured by the network device, the information being used by the apparatus for at least one of channel state information (CSI) measurements or CSI reports relating to a single CSI reporting configuration; means for performing one or more measurements relating to at least one of the at least two spatial configurations based on the information; and means for transmitting at least one CSI report relating to one or more measurements to the network device based on the information. In a sixth aspect, an apparatus is provided. This apparatus may include means for transmitting information to a terminal device indicatin