A wireless user equipment device (202, 500, 600, 700, 800, 900, 1000), comprising: first and second antennas (306, 502, 506, 610, 716, 718, 810, 812, 910, 912, 1010, 1012); processing logic (110, 302) operable to: use said first and second antennas (306, 502, 506, 610, 716, 718, 810, 812, 910, 912, 1010, 1012) to receive signals on a downlink and to transmit signals on an uplink; process a plurality of said received signals on said downlink to generate a plurality of antenna parameter measurements derived from multiple correlations of a known reference sequence of data signals transmitted on said downlink; and use said plurality of antenna parameter measurements to select said first antenna (306, 502, 506, 610, 716, 718, 810, 812, 910, 912, 1010, 1012) or said second antenna (306, 502, 506, 610, 716, 718, 810, 812, 910, 912, 1010, 1012) for transmitting data signals by said user equipment device (202, 500, 600, 700, 800, 900, 1000) on said uplink; use an offset threshold favoring said first or second antenna to elect said first antenna or said second antenna for transmitting data signals by said user equipment device on said uplink, wherein said offset is signaled to the user equipment device. first and second antennas (306, 502, 506, 610, 716, 718, 810, 812, 910, 912, 1010, 1012); processing logic (110, 302) operable to: use said first and second antennas (306, 502, 506, 610, 716, 718, 810, 812, 910, 912, 1010, 1012) to receive signals on a downlink and to transmit signals on an uplink; process a plurality of said received signals on said downlink to generate a plurality of antenna parameter measurements derived from multiple correlations of a known reference sequence of data signals transmitted on said downlink; and use said plurality of antenna parameter measurements to select said first antenna (306, 502, 506, 610, 716, 718, 810, 812, 910, 912, 1010, 1012) or said second antenna (306, 502, 506, 610, 716, 718, 810, 812, 910, 912, 1010, 1012) for transmitting data signals by said user equipment device (202, 500, 600, 700, 800, 900, 1000) on said uplink; use an offset threshold favoring said first or second antenna to elect said first antenna or said second antenna for transmitting data signals by said user equipment device on said uplink, wherein said offset is signaled to the user equipment device. use said first and second antennas (306, 502, 506, 610, 716, 718, 810, 812, 910, 912, 1010, 1012) to receive signals on a downlink and to transmit signals on an uplink; process a plurality of said received signals on said downlink to generate a plurality of antenna parameter measurements derived from multiple correlations of a known reference sequence of data signals transmitted on said downlink; and use said plurality of antenna parameter measurements to select said first antenna (306, 502, 506, 610, 716, 718, 810, 812, 910, 912, 1010, 1012) or said second antenna (306, 502, 506, 610, 716, 718, 810, 812, 910, 912, 1010, 1012) for transmitting data signals by said user equipment device (202, 500, 600, 700, 800, 900, 1000) on said uplink; use an offset threshold favoring said first or second antenna to elect said first antenna or said second antenna for transmitting data signals by said user equipment device on said uplink, wherein said offset is signaled to the user equipment device.