Method for improving signal to noise ratio in an uplink transmission

A method for accommodating multiple users transmitting on a same sub-carrier to a base station comprising a plurality of n antennas, the method comprising:

• computing precoder determination algorithm (PDA) values corresponding to “X” number of users, wherein for each of the “X” users “n” number of such PDA values are computed, wherein the PDA values are computed by a relation, [V, Θ]=ψ[U, h, k] where “V” is a precoder matrix used for transmitting data symbols, “Θ” is a scalar value, “U” is a unitary matrix, “h” is a channel matrix of a corresponding user and “k” is a value from 1 to “n”, thereby resulting in X * n PDA values;
• identifying a maximum value of “Θ” for each value of “k”, thereby identifying in “n” maximum values of “Θ” from the X * n PDA values;
• and
• selecting the users to which the “n” maximum values of “Θ” correspond, to transmit to the base station through two antennas on the same sub-carrier, wherein each of the selected users is allowed to transmit “m” number of data symbols to the base station, where “m” is the number of maximum values of “Θ” out of “n” maximum values of “Θ”, corresponding to respective selected user.