A method of receiving and processing wireless communication signals from User Equipment, UE, in a receiver operative in a wireless communication network, comprising: receiving signals, on the same radio frequency, representing a plurality of information streams transmitted by one or more UEs, at an antenna array comprising a plurality of antenna elements and outputting signals from a plurality of antenna ports, wherein each antenna port is connected to one or more antenna elements; and wherein the plurality of antenna elements comprises two pluralities of antenna elements, each having different, well defined polarization directions. frequency converting the outputs of the N antenna ports to baseband in a plurality of parallel radio receiver circuits; linearly combining outputs of the N radio receiver circuits at a first antenna combining circuit, to generate a plurality of streams of virtual information, linearly combining the K virtual streams at a second antenna combining circuit into L information streams, wherein the first antenna combining circuit comprises two antenna combining circuits (50a, 50b), each combining signals from antenna elements having the same polarization direction.; and wherein linearly combining outputs of the N radio receiver circuits at the first antenna combining circuits (50a, 50b) comprises: receiving known reference signals transmitted from each UE, and estimating a radio channel between each UE and at least one antenna port; and further comprises: using the channel estimates to transform the N received antenna signals into K virtual information streams. receiving signals, on the same radio frequency, representing a plurality of information streams transmitted by one or more UEs, at an antenna array comprising a plurality of antenna elements and outputting signals from a plurality of antenna ports, wherein each antenna port is connected to one or more antenna elements; and wherein the plurality of antenna elements comprises two pluralities of antenna elements, each having different, well defined polarization directions. frequency converting the outputs of the N antenna ports to baseband in a plurality of parallel radio receiver circuits; linearly combining outputs of the N radio receiver circuits at a first antenna combining circuit, to generate a plurality of streams of virtual information, linearly combining the K virtual streams at a second antenna combining circuit into L information streams, wherein the first antenna combining circuit comprises two antenna combining circuits (50a, 50b), each combining signals from antenna elements having the same polarization direction.; and wherein linearly combining outputs of the N radio receiver circuits at the first antenna combining circuits (50a, 50b) comprises: receiving known reference signals transmitted from each UE, and estimating a radio channel between each UE and at least one antenna port; and further comprises: using the channel estimates to transform the N received antenna signals into K virtual information streams. receiving known reference signals transmitted from each UE, and estimating a radio channel between each UE and at least one antenna port; and further comprises: using the channel estimates to transform the N received antenna signals into K virtual information streams.