JP-2026514462-A - Spatial adaptation for energy saving in networks

Abstract

Embodiments of the present disclosure relate to devices, methods, apparatus, and computer-readable storage media for spatial adaptation for energy saving in networks. The method includes receiving, in a terminal device, information relating to spatial pattern adaptation in a network device, the information comprising at least one of one or more pattern sets, each pattern set corresponding to a spatial pattern and associated with a group of channel state information reference signals (CSI-RS) resources, or one or more port subsets, each subset indicating the number of ports of a spatial pattern in the network device; and transmitting at least one channel state information (CSI) report to the network device based on at least the spatial pattern adaptation-related information.

Inventors

• ラクシュミナラヤナプラム クリシュナクマール カマクシ
• デゲル マタ
• ジェン ナイジェン

Assignees

• ノキア テクノロジーズ オサケユイチア

Dates

Publication Date

20260511

Application Date

20230406

Claims (18)

1. At least one processor, At least one memory for storing instructions, A device comprising, where, when the instruction is executed by the at least one processor, the device has at least, Receiving information from a network device related to spatial pattern adaptation in the network device, wherein the information is One or more pattern sets, each corresponding to a spatial pattern and associated with a group of channel state information reference signal CSI-RS resources, or one or more port subsets, each indicating the number of ports of the spatial pattern in the network device, Receiving, which includes at least one of the following: Based on the information relating to spatial pattern adaptation, at least one channel state information CSI report is transmitted to the network device. A device that performs an action.
2. The aforementioned device is Performing a CSI measurement on a group of CSI-RS resources associated with a spatial pattern in one or more pattern sets, Based on the CSI measurement and CSI reporting configuration, a CSI report relating to the spatial pattern in the one or more pattern sets is generated. The apparatus according to claim 1, which is configured to perform the following.
3. The aforementioned device is Obtaining non-precoded matrix indicator PMI port indications, To determine at least one subset of CSI RS resources from the non-PMI port indication, apply the one or more pattern sets to the set of CSI RS resources in the non-PMI port indication. Based on at least one subset of the determined CSI RS resources, a CSI report concerning the spatial patterns in one or more pattern sets is determined; The apparatus according to claim 1, which is configured to perform the following.
4. The apparatus according to claim 1, wherein the one or more port subsets are associated with a set of ports in the spatial pattern.
5. The aforementioned device is Obtaining at least one slot offset, each slot offset associated with a port subset, and each slot offset indicating when one or more CSI-RS resources of the number of ports associated with the corresponding port subset are measured, Performing a CSI measurement based on the aforementioned at least one slot offset and the original CSI-RS resource indicated in the CSI reporting configuration, The apparatus according to claim 1 or 4, further configured to perform the following.
6. The aforementioned device is Obtaining non-precoded matrix indicator PMI port indications, To determine at least one subset of CSI RS resources from the non-PMI port indication, apply the one or more port subsets to the non-PMI port indication. Based on at least one subset of the determined CSI RS resources, a CSI report concerning the spatial patterns in one or more pattern sets is determined; The apparatus according to claim 1, which is configured to perform the following.
7. The aforementioned device is Obtaining reporting factors associated with the reporting configuration of a specific spatial pattern, Based on the aforementioned reporting factors, a CSI report related to a specific spatial pattern is transmitted, The apparatus according to any one of claims 1 to 6, further configured to perform the following.
8. The apparatus according to claim 7, wherein the reporting factor indicates a time interval for reporting the CSI report related to a specific spatial pattern.
9. At least one processor, At least one memory for storing instructions, A device comprising, where, when the instruction is executed by the at least one processor, the device has at least, The information relating to spatial pattern adaptation in a network device is transmitted to a terminal device, wherein the information is, One or more pattern sets, each corresponding to a spatial pattern and associated with a group of channel state information reference signal CSI-RS resources, or one or more port subsets, each indicating the number of ports of the spatial pattern in the network device, Sending, which includes at least one of the following: Receiving from the terminal device at least one channel state information CSI report generated based on the information relating to spatial pattern adaptation, A device that performs an action.
10. The apparatus according to claim 9, wherein the one or more port subsets are associated with a set of ports in the spatial pattern.
11. The aforementioned device is The apparatus according to claim 9 or 10, wherein it provides at least one slot offset along with the number of ports, each slot offset being associated with a subset of ports, and each slot offset is configured to provide an indication of when one or more CSI-RS resources of the number of ports associated with the corresponding subset of ports are measured by the terminal device.
12. The aforementioned device is The apparatus according to claim 9 or 10, which is configured to configure a terminal device with a reporting factor associated with a reporting configuration of a specific spatial pattern.
13. The apparatus according to claim 12, wherein the reporting factor indicates a time interval for reporting the CSI report related to a specific spatial pattern.
14. In a terminal device, information related to spatial pattern adaptation in the network device is received from a network device, wherein the information is One or more pattern sets, each corresponding to a spatial pattern and associated with a group of channel state information reference signal CSI-RS resources, or one or more port subsets, each indicating the number of ports of the spatial pattern in the network device, Receiving, which includes at least one of the following: Based on the information relating to spatial pattern adaptation, at least one channel state information CSI report is transmitted to the network device. Methods that include...
15. In a network device, information related to spatial pattern adaptation in the network device is transmitted to a terminal device, wherein the information is One or more pattern sets, each corresponding to a spatial pattern and associated with a group of channel state information reference signal CSI-RS resources, or one or more port subsets, each indicating the number of ports of the spatial pattern in the network device, Sending, which includes at least one of the following: Receiving from the terminal device at least one channel state information CSI report generated based on the information relating to spatial pattern adaptation, Methods that include...
16. A means for receiving information from a network device related to spatial pattern adaptation in the network device, wherein the information is One or more pattern sets, each corresponding to a spatial pattern and associated with a group of channel state information reference signal CSI-RS resources, or one or more port subsets, each indicating the number of ports of the spatial pattern in the network device, A means for receiving, which includes at least one of the following: A means for transmitting at least one channel state information CSI report to the network device based on the information relating to at least spatial pattern adaptation, A device equipped with the following features.
17. A means for transmitting information related to spatial pattern adaptation in a network device to a terminal device, wherein the information is, One or more pattern sets, each corresponding to a spatial pattern and associated with a group of channel state information reference signal CSI-RS resources, or one or more port subsets, each indicating the number of ports of the spatial pattern in the network device, A means for transmission, including at least one of the following: Means for receiving from the terminal device at least one channel state information CSI report generated based on the information relating to at least spatial pattern adaptation, A device equipped with the following features.
18. A computer-readable medium storing instructions for causing a device to perform at least the method described in claim 14 or claim 15.

Description

Embodiments of this disclosure generally relate to the field of telecommunications, and more particularly to spatially adaptive devices, methods, apparatus, and computer-readable storage media for energy saving (ES) in networks. The energy consumption of new radio (NR) in fifth-generation (5G) mobile communication technology has been studied for the past few years, particularly concerning radio access networks (RAN), which can consume a significant portion of the total energy consumption of 5G networks. One key point in the topic of energy consumption is the discussion of network energy consumption (ES) in the domains of time, frequency, space/antenna, and power. In a first embodiment, an apparatus is provided. This apparatus includes at least one processor and at least one memory for storing instructions, the instructions, when executed by at least one processor, cause the apparatus to perform at least the following: receive information from a network device relating to spatial pattern adaptation in the network device, wherein the information includes at least one of one or more pattern sets, each pattern set corresponding to a spatial pattern and associated with a group of channel state information reference signals (CSI-RS) resources, or one or more port subsets, each subset indicating the number of ports of a spatial pattern in the network device; and transmit at least one channel state information CSI report to the network device based on the information relating to spatial pattern adaptation. In a second embodiment, an apparatus is provided. This apparatus includes at least one processor and at least one memory for storing instructions, the instructions, when executed by at least one processor, cause the apparatus to transmit information relating to spatial pattern adaptation in a network device to a terminal device, the information comprising at least one of the following: one or more pattern sets, each corresponding to a spatial pattern and associated with a group of CSI-RS resources; or one or more port subsets, each indicating the number of ports in a spatial pattern in the network device; and at least one channel state information CSI report generated based on the spatial pattern adaptation information from the terminal device. In a third embodiment, a method is provided. This method includes receiving information from a network device relating to spatial pattern adaptation in the network device, wherein the information includes at least one of one or more pattern sets, each pattern set corresponding to a spatial pattern and associated with a group of CSI-RS resources, or one or more port subsets, each subset indicating the number of ports of a spatial pattern in the network device; and transmitting at least one channel state information CSI report to the network device based on at least the spatial pattern adaptation-related information. In a fourth aspect, a method is provided. This method includes transmitting information relating to spatial pattern adaptation in a network device to a terminal device, wherein the information includes at least one of one or more pattern sets, each pattern set corresponding to a spatial pattern and associated with a group of CSI-RS resources, or one or more port subsets, each subset indicating the number of ports in the spatial pattern in the network device; and receiving at least one channel state information CSI report generated based on at least the spatial pattern adaptation-related information from the terminal device. In a fifth embodiment, a device is provided comprising: means for receiving information from a network device relating to spatial pattern adaptation in the network device, wherein the information includes at least one of the following: one or more pattern sets, each corresponding to a spatial pattern and associated with a group of CSI-RS resources; or one or more port subsets, each indicating the number of ports of a spatial pattern in the network device; and means for transmitting at least one channel state information CSI report to the network device based on at least the spatial pattern adaptation-related information. In a sixth aspect, a device is provided comprising: means for transmitting information related to spatial pattern adaptation in a network device to a terminal device, wherein the information includes at least one of the following: one or more pattern sets, each corresponding to a spatial pattern and associated with a group of CSI-RS resources; or one or more port subsets, each indicating the number of ports of a spatial pattern in the network device; and means for receiving at least one channel state information CSI report generated based on at least the spatial pattern adaptation information from the terminal device. In the seventh aspect, a computer-readable medium is provided which stores a computer program that, when executed by at least one processor of the device, causes the device to perform the method described in the