The present disclosure relates to a port configuration method and a device, wherein the method comprises: receiving antenna port configuration parameters, the antenna port configuration parameters being adapted to information on transmission capability of a terminal; and determining an association relationship set between port selection parameters and demodulation reference signal DMRS port identifiers according to the antenna port configuration parameters. The present disclosure determines the association relationship set adapted to the transmission capability of the terminal by using the antenna port configuration parameters sent by a base station, and obtains the DMRS port to configure the port according to the determined antenna port data, thereby avoiding blind configuration of the port of the terminal, improving the configuration efficiency of the terminal, and reducing the signaling overhead of the configuration.
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