# US 12,763,833 B2 · Information reporting method, information receiving method, device, and storage medium > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,763,833 B2 - Document ID: US12763833B2 - Status: Granted - Kind: B2 - Application number: 18/293,894 - Filed: 2022-05-26 - Published: 2025-04-17 - Granted: 2026-10-13 - Earliest claimed: 2021-09-29 - Assignees: Zte Corporation - Applicants: Zte Corporation - Inventors: Yong Li; Hao Wu; Zhaohua Lu; Yuxin Wang - Web page: https://patentgrep.com/patent/US12763833B2 ## CPC - H04B 7/0626: {Channel coefficients, e.g. channel state information [CSI]} - H04B 7/0456: Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting - H04B: TRANSMISSION ## Abstract The present application provides an information reporting method, an information receiving method, a device, and a storage medium. The information reporting method applied to a first communication node comprises: receiving first configuration information and second configuration information of a second communication node; receiving a channel state information reference signal transmitted by the second communication node, in accordance with the first configuration information; and reporting channel state information according to the channel state information reference signal and the second configuration information. ## Claims ### Claim 1 An information reporting method, applied to a first communication node, wherein the method comprises: receiving first configuration information and second configuration information of a second communication node; receiving a channel state information reference signal transmitted by the second communication node, in accordance with the first configuration information; and reporting channel state information according to the channel state information reference signal and the second configuration information; wherein the channel state information comprises a precoding matrix indicator; a precoding matrix corresponding to the precoding matrix indicator is determined by a first group of vectors, or by a first group of vectors and a second group of vectors; wherein the first group of vectors comprises L vectors, the second group of vectors comprises Mv vectors; wherein L and Mv are both positive integers; a vector in the first group of vectors corresponds to a channel state information reference signal port; an element in a vector in the second group of vectors corresponds to a precoding matrix; wherein the second communication node indicates a value of Mv and a value of N by the second configuration information; wherein N candidate vectors are indicated by the value of N, the N candidate vectors are vectors with continuous index numbers; the Mv vectors are determined from the N candidate vectors; wherein reporting the channel state information according to the channel state information reference signal and the second configuration information, comprises: determining a reporting case of a vector in the second group of vectors by the first communication node, according to the value of Mv and the value of N; wherein determining the reporting case of a vector in the second group of vectors by the first communication node, according to the value of Mv and the value of N, comprises: corresponding to Mv being equal to N, not reporting, by the first communication node, a vector in the second group of vectors to the second communication node; and corresponding to Mv being not equal to N, reporting, by the first communication node, a vector in the second group of vectors to the second communication node. ### Claim 2 (depends on 1) The method according to claim 1, wherein the first configuration information comprises a number P of channel state information reference signal ports; reporting the channel state information, comprises: selecting K1 channel state information reference signal ports from the P channel state information reference signal ports; wherein L channel state information reference signal ports are selected in each polarization direction, K1=2L; wherein each channel state information reference signal port in the L channel state information reference signal ports is mapped to a vector in a first group of vectors. ### Claim 3 (depends on 2) The method according to claim 2, wherein the second configuration information comprises a first proportion parameter; a manner for determining K1 comprises: determining K1 according to the number P of the channel state information reference signal ports and the first proportion parameter. ### Claim 4 (depends on 3) The method according to claim 3, wherein determining K1 according to the number P of the channel state information reference signal ports and the first proportion parameter, comprises: determining a first product value of the number P of the channel state information reference signal ports and the first proportion parameter; determining a rounding value of a second product value between the first product value and a predetermined first fixed value; and determining K1 according to the rounding value and a predetermined second fixed value. ### Claim 5 (depends on 3) The method according to claim 3, wherein determining K1 according to the number P of the channel state information reference signal ports and the first proportion parameter, comprises: determining a first rounding value, wherein the first rounding value is a rounding value of a product value of the number P of the channel state information reference signal ports, the first proportion parameter and a predetermined first fixed value; and determining K1 according to the first rounding value and a predetermined second fixed value; or determining K1 according to a product value of the number P of the channel state information reference signal ports and the first proportion parameter. ### Claim 6 (depends on 2) The method according to claim 2, wherein the second configuration information comprises a first proportion parameter; a manner for determining L comprises: determining a first product value of the number P of the channel state information reference signal ports and the first proportion parameter, and determining L according to a rounding value of a second product value between the first product value and a predetermined first fixed value; or determining the L according to a first rounding value, wherein the first rounding value is a rounding value of a product value of the number P of the channel state information reference signal ports, the first proportion parameter and a predetermined first fixed value. ### Claim 7 (depends on 1) The method according to claim 1, wherein indicating the value of Mv and the value of N by the second configuration information, comprises: comprising the value of N in the second configuration information, and indicating the value of Mv in accordance with the value of N; or comprising the value of Mv in the second configuration information, and indicating the value of N in accordance with the value of Mv. ### Claim 8 (depends on 7) The method according to claim 7, wherein indicating the value of Mv in accordance with the value of N, comprises one of: corresponding to the value of N being 1, the value of Mv being 1; corresponding to the value of N being 2, the value of Mv being 2; corresponding to the value of N being greater than 2, the value of Mv being 2. ### Claim 9 (depends on 7) The method according to claim 7, wherein indicating the value of N in accordance with the value of Mv, comprises one of: corresponding to the value of Mv being 1, the value of N being 1; corresponding to the value of Mv being 2, the value of N being equal to or greater than 2; corresponding to the value of Mv being 2, selecting a value from {2, Ni} as the value of N; wherein Ni is a value in {3, 4, 5}. ### Claim 10 (depends on 1) The method according to claim 1, wherein indicating the value of Mv and the value of N by the second configuration information, comprises: comprising a combination parameter in the second configuration information, and indicating the value of Mv and the value of N in accordance with the combination parameter. ### Claim 11 (depends on 1) The method according to claim 1, further comprising: reporting the second group of vectors to the second communication node by the first communication node, wherein reporting the second group of vectors to the second communication node by the first communication node, comprises: reporting an interval between index numbers corresponding to the Mv vectors, to the second communication node by the first communication node; or corresponding to Mv being 2 and N being greater than Mv, reporting an index number of one vector to the second communication node by the first communication node, and wherein an index number of another vector is a predetermined value; or reporting the second group of vectors by using ┌log2 (N−1)┐ bits. ### Claim 12 An information receiving method, applied to a second communication node, wherein the method comprises: transmitting first configuration information and second configuration information to a first communication node, so as to enable the first communication node to determine to-be-reported channel state information according to the first configuration information and the second configuration information; and receiving channel state information reported by the first communication node; wherein the channel state information comprises a precoding matrix indicator; a precoding matrix corresponding to the precoding matrix indicator is determined by a first group of vectors, or by a first group of vectors and a second group of vectors; wherein the first group of vectors comprises L vectors, the second group of vectors comprises Mv vectors; wherein L and Mv are both positive integers; a vector in the first group of vectors corresponds to a channel state information reference signal port; an element in a vector in the second group of vectors corresponds to a precoding matrix; wherein the second communication node indicates a value of Mv and a value of N by the second configuration information; wherein N candidate vectors are indicated by the value of N, the N candidate vectors are vectors with continuous index numbers; the Mv vectors are determined from the N candidate vectors; wherein determine the to-be-reported channel state information according to the first configuration information and the second configuration information, comprises: determining a reporting case of a vector in the second group of vectors by the first communication node, according to the value of Mv and the value of N; wherein determining the reporting case of a vector in the second group of vectors by the first communication node, according to the value of Mv and the value of N, comprises: corresponding to Mv being equal to N, not reporting, by the first communication node, a vector in the second group of vectors to the second communication node; and corresponding to Mv being not equal to N, reporting, by the first communication node, a vector in the second group of vectors to the second communication node. ### Claim 13 A communication device, comprising a communication module, a memory, and one or more processors; wherein the communication module is configured to perform communication interaction between a first communication node and a second communication node; the memory is configured to store one or more programs; the one or more programs, upon being executed by the one or more processors, cause the one or more processors to implement; receiving first configuration information and second configuration information of a second communication node; receiving a channel state information reference signal transmitted by the second communication node, in accordance with the first configuration information; and reporting channel state information according to the channel state information reference signal and the second configuration information; wherein the channel state information comprises a precoding matrix indicator; a precoding matrix corresponding to the precoding matrix indicator is determined by a first group of vectors, or by a first group of vectors and a second group of vectors; wherein the first group of vectors comprises L vectors, the second group of vectors comprises Mv vectors; wherein L and Mv are both positive integers; a vector in the first group of vectors corresponds to a channel state information reference signal port; an element in a vector in the second group of vectors corresponds to a precoding matrix; wherein the second communication node indicates a value of Mv and a value of N by the second configuration information; wherein N candidate vectors are indicated by the value of N, the N candidate vectors are vectors with continuous index numbers; the Mv vectors are determined from the N candidate vectors; wherein reporting the channel state information according to the channel state information reference signal and the second configuration information, comprises: determining a reporting case of a vector in the second group of vectors by the first communication node, according to the value of Mv and the value of N; wherein determining the reporting case of a vector in the second group of vectors by the first communication node, according to the value of Mv and the value of N, comprises: corresponding to Mv being equal to N, not reporting, by the first communication node, a vector in the second group of vectors to the second communication node; and corresponding to Mv being not equal to N, reporting, by the first communication node, a vector in the second group of vectors to the second communication node. ### Claim 14 (depends on 1) A non-transitory storage medium storing a computer program, wherein the computer program, upon being executed by a processor, implements the method of claim 1. ### Claim 15 (depends on 12) A communication device, comprising a communication module, a memory, and one or more processors; wherein the communication module is configured to perform communication interaction between a first communication node and a second communication node; the memory is configured to store one or more programs; the one or more programs, upon being executed by the one or more processors, cause the one or more processors to implement the method of claim 12.