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Multiple input multiple output (MIMO) system employs multiple antennas at both the transmitter and the receiver to improve the BER (Bit Error Rate) and system capacity. Different signal detection algorithms have different computational complexity and BER performance. In this paper, we provide a group sphere decoder (SD) in a MIMO wireless communication system. The group sphere decoder can further...
An efficient MIMO signal detection technique with low complexity is presented for MIMO-OFDM systems. The proposed technique has a feature of combined QRD-M and DFE detection. In our detection technique with M transmit antennas, after QRD-M detection is executed for first T detection steps, DFE detection is executed for last M - T detection steps. This approach is simple and has low complexity, because...
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