WO-2026090815-A1 - INFORMATION REPORTING METHOD, TERMINAL, NETWORK DEVICE, AND COMMUNICATION SYSTEM

WO2026090815A1WO 2026090815 A1WO2026090815 A1WO 2026090815A1WO-2026090815-A1

Abstract

The present disclosure relates to an information reporting method, a terminal, a network device, and a communication system. The information reporting method comprises: a terminal determining first quantized coordinates in the wavenumber domain on the basis of a first wavenumber-domain power distribution of a first channel; and sending first information to a network device, the first information being used for indicating the first quantized coordinates. Embodiments of the present disclosure enable the network device to acquire channel state information, thereby improving the link capacity. In addition, coordinates indicated by the first information are quantized coordinates. By quantizing the coordinates, feedback overhead for feeding back the first information to the network device can be reduced.

Inventors

XI, Wei

Assignees

北京小米移动软件有限公司

Dates

Publication Date: 20260507
Application Date: 20241028

Claims (20)

An information reporting method, characterized in that it is executed by a terminal, the method comprising: The first quantization coordinates in the wavenumber domain are determined based on the first wavenumber domain power distribution of the first channel. Send first information to the network device, wherein the first information is used to indicate the first quantized coordinates.
According to the method of claim 1, the step of determining the first quantization coordinates in the wavenumber domain based on the first wavenumber domain power distribution of the first channel includes: The first coordinates are determined based on the first wavenumber domain power distribution of the first channel; The first quantization coordinate is determined based on the first coordinate, and the first quantization coordinate is the quantization coordinate corresponding to the first coordinate.
According to the method of claim 2, the first coordinate is one of the following: The coordinates corresponding to the peak value in the first wavenumber domain power distribution; The coordinates corresponding to the wavenumber domain power distribution values in the first wavenumber domain power distribution that are greater than the first threshold; Used to determine the coordinates of the peak region in the first wavenumber domain power distribution.
According to the method of claim 1, the step of determining the first quantization coordinates in the wavenumber domain based on the first wavenumber domain power distribution of the first channel includes: The second wavenumber domain power distribution of the first channel is determined based on the first wavenumber domain power distribution of the first channel. The second wavenumber domain power distribution includes a first value corresponding to a plurality of quantization coordinates. Each quantization coordinate corresponds to a quantization region. The first value corresponding to each quantization coordinate is the integral value of the first wavenumber domain power distribution within the quantization region corresponding to the quantization coordinate, or the product of the integral value and the first coefficient. The first quantization coordinates are determined based on the second wavenumber domain power distribution of the first channel.
According to the method of claim 4, the first quantization coordinate is one of the following: Quantization coordinates corresponding to the peak values in the second wavenumber domain power distribution; The quantization coordinates corresponding to the first value in the second wavenumber domain power distribution that is greater than the second threshold; Quantization coordinates used to determine the peak region in the second wavenumber domain power distribution.
The method according to any one of claims 1-5, characterized in that the transmitting antenna array of the network device is a one-dimensional array, and the first quantization coordinate is a one-dimensional coordinate and represented as k 0 (δ+nΔ), wherein, λ is the wavenumber, δ is the initial quantization offset, n is the index of the first quantization coordinate (where n is an integer), and Δ is the quantization interval.
According to the method of claim 6, the quantization interval is determined by... It is determined that L is the aperture of the transmitting antenna array.
The method according to claim 6 or 7, characterized in that the method further comprises: Receive first configuration information sent by a network device, wherein the first configuration information is used to configure at least one of the following: The quantization interval Δ; The aperture L of the transmitting antenna array is used to determine the Δ; The number of antennas and the antenna spacing of the transmitting antenna array are used to determine Δ; The initial offset value δ for quantization.
The method according to any one of claims 1-5, characterized in that the transmitting antenna array of the network device is a two-dimensional array, and the first quantization coordinate is a two-dimensional coordinate and expressed as (k 0 (δ h + n h Δ h ), k 0 (δ v + nvΔ v )), wherein, λ is the wavenumber, δh is the initial quantization offset in the horizontal direction, δv is the initial quantization offset in the vertical direction, nh is the index of the first quantization coordinate in the horizontal direction, nv is the index of the first quantization coordinate in the vertical direction, nh and nv are integers, Δh is the quantization interval in the horizontal direction, and Δv is the quantization interval in the vertical direction.
According to the method of claim 9, the quantization interval in the horizontal direction is determined by... Determine that Lh is the horizontal aperture of the transmitting antenna array; and/or, The quantization interval in the vertical direction is determined by It is determined that Lv is the vertical aperture of the transmitting antenna array.
The method according to claim 9 or 10, characterized in that the method further comprises: Receive second configuration information sent by a network device, the second configuration information being used to configure at least one of the following: The quantization interval Δh in the horizontal direction; The quantization interval Δv in the vertical direction; The horizontal aperture Lh of the transmitting antenna array is used to determine Δh ; The number of horizontal antennas and the horizontal antenna spacing of the transmitting antenna array are used to determine Δh ; The vertical aperture Lv of the transmitting antenna array is used to determine Δv ; The number of vertical antennas and the vertical antenna spacing of the transmitting antenna array are used to determine Δv ; The initial quantization offset value δh in the horizontal direction; The initial offset value δv in the vertical direction of quantization.
An information reporting method, characterized in that it is executed by a network device, the method comprising: The receiving terminal sends first information, wherein the first information is used to indicate the first quantization coordinates in the wavenumber domain.
According to the method of claim 12, the transmitting antenna array of the network device is a one-dimensional array, and the first quantization coordinate is a one-dimensional coordinate and represented as k 0 (δ+nΔ), wherein, λ is the wavenumber, δ is the initial quantization offset, n is the index of the first quantization coordinate (where n is an integer), and Δ is the quantization interval.
The method according to claim 13, wherein the quantization interval is determined by... It is determined that L is the aperture of the transmitting antenna array.
The method according to claim 13 or 14, characterized in that the method further comprises: Send first configuration information to the terminal, wherein the first configuration information is used to configure at least one of the following: The quantization interval Δ; The aperture L of the transmitting antenna array is used to determine the Δ; The number of antennas and the antenna spacing of the transmitting antenna array are used to determine Δ; The initial offset value δ for quantization.
According to the method of claim 12, the transmitting antenna array of the network device is a two-dimensional array, and the quantization coordinates are two-dimensional coordinates and expressed as (k 0 (δ h + n hΔh ), k 0 (δ v + n v Δ v )), wherein, λ is the wavenumber, δh is the initial quantization offset in the horizontal direction, δv is the initial quantization offset in the vertical direction, nh is the index of the first quantization coordinate in the horizontal direction, nv is the index of the first quantization coordinate in the vertical direction, nh and nv are integers, Δh is the quantization interval in the horizontal direction, and Δv is the quantization interval in the vertical direction.
The method according to claim 16, wherein the horizontal quantization interval is determined by... Determine that Lh is the horizontal aperture of the transmitting antenna array; and/or, The quantization interval in the vertical direction is determined by It is determined that Lv is the vertical aperture of the transmitting antenna array.
The method according to claim 16 or 17, characterized in that the method further comprises: Send second configuration information to the terminal, the second configuration information being used to configure at least one of the following: The quantization interval Δh in the horizontal direction; The quantization interval Δv in the vertical direction; The horizontal aperture Lh of the transmitting antenna array is used to determine Δh ; The number of horizontal antennas and the horizontal antenna spacing of the transmitting antenna array are used to determine Δh ; The vertical aperture Lv of the transmitting antenna array is used to determine Δv ; The number of vertical antennas and the vertical antenna spacing of the transmitting antenna array are used to determine Δv ; The initial quantization offset value δh in the horizontal direction; The initial offset value δv in the vertical direction for quantization.
A terminal, characterized in that it comprises: The processing module is configured to determine the first quantization coordinates in the wavenumber domain based on the first wavenumber domain power distribution of the first channel; The transceiver module is configured to send first information to the network device, wherein the first information is used to indicate the first quantized coordinates.
A network device, characterized in that it comprises: The transceiver module is configured to receive first information sent by the terminal, wherein the first information is used to indicate the first quantization coordinates in the wavenumber domain.

Description

Information reporting methods, terminals, network equipment, and communication systems Technical Field This disclosure relates to the field of communication technology, and in particular to information reporting methods, terminals, network devices and communication systems. Background Technology Multiple-input multiple-output (MIMO) technology can significantly increase data transmission rates without increasing bandwidth, and beamforming gain is proportional to the number of antennas. Therefore, it has always received much attention from academia and industry and is one of the core technologies of the physical layer of wireless communication. Summary of the Invention This disclosure presents an information reporting method, a terminal, a network device, and a communication system. According to a first aspect of the embodiments of this disclosure, an information reporting method is proposed, executed by a terminal, the method comprising: The first quantization coordinates in the wavenumber domain are determined based on the first wavenumber domain power distribution of the first channel. Send first information to the network device, wherein the first information is used to indicate the first quantized coordinates. According to a second aspect of the embodiments of this disclosure, an information reporting method is provided, executed by a network device, the method comprising: The receiving terminal sends first information, wherein the first information is used to indicate the first quantization coordinates in the wavenumber domain. According to a third aspect of the embodiments of this disclosure, a terminal is provided, comprising: The processing module is configured to determine the first quantization coordinates in the wavenumber domain based on the first wavenumber domain power distribution of the first channel; The transceiver module is configured to send first information to the network device, wherein the first information is used to indicate the first quantized coordinates. According to a fourth aspect of the embodiments of this disclosure, a network device is provided, comprising: The transceiver module is configured to receive first information sent by the terminal, wherein the first information is used to indicate the first quantization coordinates in the wavenumber domain. According to a fifth aspect of the embodiments of this disclosure, a communication system is provided, comprising: The terminal is configured to implement the method proposed in the first aspect; and, The network device is configured to implement the method proposed in the second aspect. According to a sixth aspect of the present disclosure, a communication device is provided, comprising: One or more processors; The communication device is used to execute the method proposed in the first or second aspect. According to a seventh aspect of the present disclosure, a storage medium is provided that stores instructions which, when executed on a communication device, cause the communication device to perform the method as described in the first or second aspect. According to an eighth aspect of the present disclosure, a computer program product is provided, comprising a computer program that, when executed by a communication device, implements the method as proposed in the first or second aspect. The embodiments disclosed herein enable network devices to obtain channel state information, thereby improving link capacity. Furthermore, the coordinates indicated by the first information are quantized coordinates; quantizing the coordinates reduces the overhead of feeding back the first information to the network device. Attached Figure Description To more clearly illustrate the technical solutions in the embodiments of this disclosure, the accompanying drawings required for the description of the embodiments are introduced below. The following drawings are only some embodiments of this disclosure and do not impose specific limitations on the protection scope of this disclosure. Figure 1A is an exemplary schematic diagram of the architecture of a communication system provided according to an embodiment of the present disclosure. Figure 1B is an exemplary schematic diagram of the wavenumber domain power distribution of a channel provided according to an embodiment of the present disclosure. Figure 1C is an exemplary schematic diagram of the wavenumber domain power distribution of a channel provided according to an embodiment of the present disclosure. Figure 1D is an exemplary schematic diagram of a quantization region provided according to an embodiment of the present disclosure. Figure 2A is an exemplary interactive schematic diagram of an information reporting method provided according to an embodiment of the present disclosure. Figure 2B is an exemplary interactive schematic diagram of an information reporting method provided according to an embodiment of the present disclosure. Figure 2C is an exemplary interactive schematic diagram