MUMBAI, India, July 24 -- Intellectual Property India has published a patent application (202527107324 A) filed by Zte Corporation on November 06, 2025, for Channel Information Feedback Method, Electronic Device, And Storage Medium.
Inventors include Yang, Jun; Chen, Yijian; Yu, Hongkang Number; Zhang, Shujuan; Jian, Mengnan; and Lu, Zhaohua.
The application for the patent was published on July 17, 2026, under issue no. 29/2026.
Abstract: Embodiments of the present application provide a channel information feedback method, an electronic device, and a storage medium. The method comprises: determining a measurement result of channel state information according to a measurement reference signal; determining a codebook, wherein the codebook comprises at least one codeword; determining a codeword W in the codebook according to the measurement result; and feeding back indication information of the codeword W. The codeword W is a matrix of N rows and r columns, and comprises r column vectors V1, V2, ..., and Vr, wherein N1, and r=1; the i-th column vector Vi of the codeword W is constructed according to the following base vector model: formula (1); the base vector model u consists of K subvectors, the length of the k-th subvector vk is Nk, ak is a subvector coefficient, and at least one subset FS1 which is determined by at least one other subset FS2 is present in a set FS consisting of subvectors of base vectors and subvector coefficients. According to the present application, channel information feedback of near-field communication is implemented by subarray precoding, and the beamforming gain can be enhanced.
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