"multiple-input, multiple-output (MIMO)" . . "2\u00D72 MIMO" . . . "multi antenna systems" . "Multiple-input and single-output (MISO)" . "multiple antenna" . "MIMO" . . . "multiple-input and multiple-output" . "multi-antenna" . "MIMO" . "Multiple-input multiple-output communications" . . "multiple antennas" . "multiple input, multiple output" . "multiple-input multi-output" . . "multi-antenna systems" . "distributed across the aperture" . "multiple-input multi-output systems" . . "multiple input/multiple output technology" . . . "multiantenna" . "multiple-input multiple-output" . . . "mimo" . . . . "multiantenna systems" . "multiple-input multiple-output (MIMO) system" . . . . .