An antenna switching method, carried out by a network device configured to be operable in a radio communication system according to the 3GPP standard, the method comprising: sending configuration information to a first terminal device; wherein the configuration information indicates M Sounding Reference Signal, SRS, resource set groups, each of which contains at least one SRS resource set; wherein M is a positive integer; wherein each of the SRS resource set groups corresponds to a corresponding antenna switching configuration that supports the first terminal device to have more than four receiving antennas; wherein, the antenna switching configuration is represented by xTyR; wherein y is an integer greater than 4 and x is a positive integer; the xTyR indicates that an SRS supports transmission by x antenna ports, and y corresponds to a number of all or part of receiving antennas of the first terminal device; wherein the antenna switching method further comprises: receiving a first, antenna switching, capability reported by the first terminal device, and the first capability supports the antenna switching configuration represented by the xTyR; wherein when a plurality of SRS resources in one SRS resource set are received on a same slot, from the first terminal device, other signals are not received from the first terminal device on Y symbols of a guard period between adjacent SRS resources, wherein Y is a positive integer; wherein a value of Y is determined according to a subcarrier spacing; when the value of Y is greater than a predetermined threshold value or equal to a predetermined value, a guard period between SRS resources in different SRS resource sets in a same SRS resource set group is greater than, or is equal to Y symbols; wherein a configurable value of a resourceType field corresponding to an SRS resource set is aperiodic, semiPersistent, or periodic; and the M is equal to 1, 2 or 3, receiving an SRS signal sent by the first terminal device according to the configuration information. sending configuration information to a first terminal device; wherein the configuration information indicates M Sounding Reference Signal, SRS, resource set groups, each of which contains at least one SRS resource set; wherein M is a positive integer; wherein each of the SRS resource set groups corresponds to a corresponding antenna switching configuration that supports the first terminal device to have more than four receiving antennas; wherein, the antenna switching configuration is represented by xTyR; wherein y is an integer greater than 4 and x is a positive integer; the xTyR indicates that an SRS supports transmission by x antenna ports, and y corresponds to a number of all or part of receiving antennas of the first terminal device; wherein the antenna switching method further comprises: receiving a first, antenna switching, capability reported by the first terminal device, and the first capability supports the antenna switching configuration represented by the xTyR; wherein when a plurality of SRS resources in one SRS resource set are received on a same slot, from the first terminal device, other signals are not received from the first terminal device on Y symbols of a guard period between adjacent SRS resources, wherein Y is a positive integer; wherein a value of Y is determined according to a subcarrier spacing; when the value of Y is greater than a predetermined threshold value or equal to a predetermined value, a guard period between SRS resources in different SRS resource sets in a same SRS resource set group is greater than, or is equal to Y symbols; wherein a configurable value of a resourceType field corresponding to an SRS resource set is aperiodic, semiPersistent, or periodic; and the M is equal to 1, 2 or 3, receiving an SRS signal sent by the first terminal device according to the configuration information.