ALEXANDRIA, Va., Aug. 26 -- United States Patent no. 12,401,402, issued on Aug. 26, was assigned to Huawei Technologies Co. Ltd. (Shenzhen, China).

"Communication method, apparatus, chip, storage medium, and program product" was invented by Bichai Wang (Beijing), Hongli He (Beijing) and Xueru Li (Beijing).

According to the abstract* released by the U.S. Patent & Trademark Office: "In accordance with an embodiment, a communication method includes: sending, by a first device, a first reference signal of M (Mless than2) ports; and receiving, by the first device, first indication information that indicates a first precoding matrix in a target codebook. The first precoding matrix is associated with the first reference signal, and the target co...