A method for sending a pilot signal, characterized by, applying to non-compatible carriers, wherein a PDCCH containing CRS is not required to be transmitted in the non-compatible carriers, the method comprising: generating a resource block carrying user-specific pilot signals, wherein the resource block comprises a plurality of resource elements in a symbol-subcarrier plane, locations of the resource elements in the symbol-subcarrier plane are determined by Orthogonal Frequency Division Multiplexing, OFDM, symbols and subcarriers, a first part of the user-specific pilot signals of a first antenna port and a second antenna port are carried by resource elements occupying initial first OFDM symbol and second OFDM symbol in the resource block, and a second part of the user-specific pilot signals of the first antenna port and the second antenna port are carried by resource elements of other OFDM symbols in the resource block than the initial first OFDM symbol and second OFDM symbol; and sending the user-specific pilot signals at the first antenna port and the second antenna port, wherein OFDM symbols or/and subcarriers of the resource elements for carrying the first part of the user-specific pilot signals sent at the first antenna port are different from OFDM symbols or/and subcarriers of the resource elements for carrying the first part of the user-specific pilot signals sent at the second antenna port, and OFDM symbols or/and subcarriers of the resource elements for carrying the second part of the user-specific pilot signals sent at the first antenna port are the same as OFDM symbols or/and subcarriers of the resource elements for carrying the second part of the user-specific pilot signals sent at the second antenna port. generating a resource block carrying user-specific pilot signals, wherein the resource block comprises a plurality of resource elements in a symbol-subcarrier plane, locations of the resource elements in the symbol-subcarrier plane are determined by Orthogonal Frequency Division Multiplexing, OFDM, symbols and subcarriers, a first part of the user-specific pilot signals of a first antenna port and a second antenna port are carried by resource elements occupying initial first OFDM symbol and second OFDM symbol in the resource block, and a second part of the user-specific pilot signals of the first antenna port and the second antenna port are carried by resource elements of other OFDM symbols in the resource block than the initial first OFDM symbol and second OFDM symbol; and sending the user-specific pilot signals at the first antenna port and the second antenna port, wherein OFDM symbols or/and subcarriers of the resource elements for carrying the first part of the user-specific pilot signals sent at the first antenna port are different from OFDM symbols or/and subcarriers of the resource elements for carrying the first part of the user-specific pilot signals sent at the second antenna port, and OFDM symbols or/and subcarriers of the resource elements for carrying the second part of the user-specific pilot signals sent at the first antenna port are the same as OFDM symbols or/and subcarriers of the resource elements for carrying the second part of the user-specific pilot signals sent at the second antenna port.