A wireless communication method, comprising determining (S210), by a terminal device, a quantity K of demodulation reference signal, DMRS, sequences corresponding to a DMRS port and a physical resource occupied by each DMRS sequence in the K DMRS sequences, wherein K is a positive integer; and sending (S220), on the determined physical resource occupied by each DMRS sequence, each DMRS sequence to a network device using the DMRS port; wherein, when a value of K is greater than 1, each DMRS sequence in the K DMRS sequences occupies, in at least one orthogonal frequency division multiplexing, OFDM, symbol, different sub-carriers in a same frequency domain bandwidth respectively, and a sub-carrier occupied by an m th DMRS sequence in the K DMRS sequences is: an (m+iK) th sub-carrier in the frequency domain bandwidth, wherein i = 0,1... └ ( S - m )/ K ┘ , and S is a quantity of sub-carriers comprised in the frequency domain bandwidth; wherein, the determining (S210), by a terminal device, a quantity K of demodulation reference signal, DMRS, sequences corresponding to a DMRS port, comprises: determining, by the terminal device, the quantity K of the DMRS sequences corresponding to the DMRS port according to a multiple access mode used in sending the DMRS sequences using the DMRS port, wherein the K DMRS sequences comprise a first DMRS sequence and a second DMRS sequence, the first DMRS sequence sent in a first multiple access mode using the DMRS port occupies a same physical resource and/or uses a same root sequence as the second DMRS sequence sent in a second multiple access mode using the DMRS port. determining (S210), by a terminal device, a quantity K of demodulation reference signal, DMRS, sequences corresponding to a DMRS port and a physical resource occupied by each DMRS sequence in the K DMRS sequences, wherein K is a positive integer; and sending (S220), on the determined physical resource occupied by each DMRS sequence, each DMRS sequence to a network device using the DMRS port; wherein, when a value of K is greater than 1, each DMRS sequence in the K DMRS sequences occupies, in at least one orthogonal frequency division multiplexing, OFDM, symbol, different sub-carriers in a same frequency domain bandwidth respectively, and a sub-carrier occupied by an m th DMRS sequence in the K DMRS sequences is: an (m+iK) th sub-carrier in the frequency domain bandwidth, wherein i = 0,1... └ ( S - m )/ K ┘ , and S is a quantity of sub-carriers comprised in the frequency domain bandwidth; wherein, the determining (S210), by a terminal device, a quantity K of demodulation reference signal, DMRS, sequences corresponding to a DMRS port, comprises: determining, by the terminal device, the quantity K of the DMRS sequences corresponding to the DMRS port according to a multiple access mode used in sending the DMRS sequences using the DMRS port, wherein the K DMRS sequences comprise a first DMRS sequence and a second DMRS sequence, the first DMRS sequence sent in a first multiple access mode using the DMRS port occupies a same physical resource and/or uses a same root sequence as the second DMRS sequence sent in a second multiple access mode using the DMRS port. <EOS>