indication method, method for determining a precoding vector, final receiving device, final transmitting device, computer storage media, and computer program product

摘要

Embodiments of this application disclose a method for indicating and determining a precoding vector, and a device, refer to precoding technologies, and help achieve the following beneficial effects: accuracy of a precoding vector is guaranteed, and overloads to feedback indication information indicating a combination coefficient are appropriately defined, thereby increasing overall system performance gain. The method may include: generating referral information, and submitting referral information. The indication information is used to indicate a plurality of component vectors of an ideal precoding vector and a combination coefficient of each component vector, with the component vector combination coefficient comprising at least one of the following: types: a broadband amplitude coefficient, a narrowband amplitude coefficient, and a narrowband phase coefficient, and combination coefficient quantization bit quantities of the same type of at least two component vectors in the plurality of Component vectors, except a normalization reference component vector, are different.