A distributed antenna system (251, 258) comprising: at least one master unit; a plurality of remote units communicatively coupled via optical fiber links with the at least one master unit and distributed to provide coverage within a service area; a hybrid coupler coupled to receive a first multiple-input and multiple-output (MIMO) signal and a second MIMO signal from a MIMO BTS, the hybrid coupler configured to: introduce a first phase shift in a first portion of the first MIMO signal to generate a first phase shifted portion of the first MIMO signal; combine the first phase shifted portion with a second portion of the second MIMO signal to generate a combined MIMO signal; and present the combined MIMO signal to the at least one master unit at a first output port (3, 4) of the hybrid coupler; wherein the at least one master unit is configured to receive the combined MIMO signal from the first output port (3, 4) of the hybrid coupler; and two antennas coupled with a first remote unit of the plurality of remote units through an RF passive distribution network, the two antennas configured to receive the combined MIMO signal for transmission from the first remote unit and through the RF passive distribution network. at least one master unit; a plurality of remote units communicatively coupled via optical fiber links with the at least one master unit and distributed to provide coverage within a service area; a hybrid coupler coupled to receive a first multiple-input and multiple-output (MIMO) signal and a second MIMO signal from a MIMO BTS, the hybrid coupler configured to: introduce a first phase shift in a first portion of the first MIMO signal to generate a first phase shifted portion of the first MIMO signal; combine the first phase shifted portion with a second portion of the second MIMO signal to generate a combined MIMO signal; and present the combined MIMO signal to the at least one master unit at a first output port (3, 4) of the hybrid coupler; wherein the at least one master unit is configured to receive the combined MIMO signal from the first output port (3, 4) of the hybrid coupler; and two antennas coupled with a first remote unit of the plurality of remote units through an RF passive distribution network, the two antennas configured to receive the combined MIMO signal for transmission from the first remote unit and through the RF passive distribution network. introduce a first phase shift in a first portion of the first MIMO signal to generate a first phase shifted portion of the first MIMO signal; combine the first phase shifted portion with a second portion of the second MIMO signal to generate a combined MIMO signal; and present the combined MIMO signal to the at least one master unit at a first output port (3, 4) of the hybrid coupler; wherein the at least one master unit is configured to receive the combined MIMO signal from the first output port (3, 4) of the hybrid coupler; and two antennas coupled with a first remote unit of the plurality of remote units through an RF passive distribution network, the two antennas configured to receive the combined MIMO signal for transmission from the first remote unit and through the RF passive distribution network.