A method at a base station, BS, of providing space division multiple access in a wireless network, comprising: transmitting a plurality of beams within a cell segment, the plurality of beams including a first beam and a second beam (104, 106), each of the first beam and the second beam defining a respective coverage area of the beam, the respective coverage areas of the first and second beams (104, 106) overlapping in an overlap region within the cell segment; sending different information sets (300, 302) in the plurality of beams (104, 106), wherein one or more of the information sets are detectable by a mobile station depending upon a location of the mobile station in the cell segment; receiving from the mobile station in a location within the overlap region: a first indication responsive to the information sets (300, 302) in the first and second beams (104, 106) being detected by the mobile station, wherein receiving the first indication comprises receiving a first Precoding Matrix Index, PMI, and rank information indicating that a wireless channel between the mobile station and the base station can support two layers; selecting a MIMO mode of transmission based on the received first indication and rank information; according to the selected MIMO mode of transmission, selecting the first and second beams (104, 106) from the plurality of beams for simultaneously sending different downlink data from the base station to the mobile station; receiving an uplink reference signal from the mobile station, the uplink reference signal being different than said first indication responsive to the information sets (300, 302) in the first and second beams (104, 106) being detected by the mobile station; and determining a beam from among the plurality of beams for receiving uplink data from the mobile station by the base station based on at least one beam in which the uplink reference signal has been received from the mobile station; wherein the first and second beams (104, 106) for sending the downlink data from the base station to the mobile station are selected independently of the beam for receiving uplink data from the mobile station by the base station. transmitting a plurality of beams within a cell segment, the plurality of beams including a first beam and a second beam (104, 106), each of the first beam and the second beam defining a respective coverage area of the beam, the respective coverage areas of the first and second beams (104, 106) overlapping in an overlap region within the cell segment; sending different information sets (300, 302) in the plurality of beams (104, 106), wherein one or more of the information sets are detectable by a mobile station depending upon a location of the mobile station in the cell segment; receiving from the mobile station in a location within the overlap region: a first indication responsive to the information sets (300, 302) in the first and second beams (104, 106) being detected by the mobile station, wherein receiving the first indication comprises receiving a first Precoding Matrix Index, PMI, and rank information indicating that a wireless channel between the mobile station and the base station can support two layers; a first indication responsive to the information sets (300, 302) in the first and second beams (104, 106) being detected by the mobile station, wherein receiving the first indication comprises receiving a first Precoding Matrix Index, PMI, and rank information indicating that a wireless channel between the mobile station and the base station can support two layers; selecting a MIMO mode of transmission based on the received first indication and rank information; according to the selected MIMO mode of transmission, selecting the first and second beams (104, 106) from the plurality of beams for simultaneously sending different downlink data from the base station to the mobile station; receiving an uplink reference signal from the mobile station, the uplink reference signal being different than said first indication responsive to the information sets (300, 302) in the first and second beams (104, 106) being detected by the mobile station; and determining a beam from among the plurality of beams for receiving uplink data from the mobile station by the base station based on at least one beam in which the uplink reference signal has been received from the mobile station;