Provided in the present application are a communication method and an apparatus. The communication method comprises: sending first information, wherein the first information is used for indicating the type of an
equalizer and a first parameter related to the
equalizer; receiving second information, wherein the second information is used for indicating a second parameter used by a network device to perform power scaling, and the second parameter may be obtained by the network device on the basis of the type of the
equalizer and the first parameter; receiving a first
signal and, on the basis of the first
signal, determining an equivalent channel corresponding to a channel that receives the first
signal; and, on the basis of the second parameter, the equivalent channel and the equalizer, demodulating the first signal. In the present application, the network device and a terminal are aligned with the equalizer, such that the network device is not required to be configured with an equalizer
weight value and generates a
precoding weight value adapted to the equalizer. Therefore, the network device does not need to notify the terminal of the equalizer
weight value and the
precoding weight value, thereby reducing signaling overheads. In addition, the accuracy of
data transmission can also be ensured.