This disclosure provides a semantic
data transmission method and related equipment based on
frequency division duplex (FDM). The method includes: a
base station modulating first user data corresponding to semantic data to obtain a first modulation sequence; the
base station determining a first target
combination method of the first modulation sequence based on the semantic type of the semantic data; the
base station performing time-frequency resource mapping
processing on the first modulation sequence based on the first target
combination method to obtain a first time-frequency
signal, and transmitting the first time-frequency
signal to a user terminal via a downlink; the user terminal modulating second user data corresponding to the semantic data to obtain a second modulation sequence; the user terminal determining a second target
combination method of the second modulation sequence based on the semantic type of the semantic domain information; the user terminal performing time-frequency resource mapping
processing on the second modulation sequence based on the second target combination method to obtain a second time-frequency
signal, and transmitting the second time-frequency signal to the base
station via an uplink.