A Fixed-Complexity Soft-MIMO Detector via Parallel Candidate Adding Scheme and its FPGA Implementation

作者：Wu Xiang^*; Thompson John S

来源：IEEE Communications Letters, 2011, 15(2): 241-243.

DOI：10.1109/LCOMM.2011.010311.101626

• MIMO
• FPGA
• parallel candidate adding

This paper presents a fully parallel candidate adding (PCA) scheme for the soft-output sphere decoder, which can be used in turbo-coded multiple-input multiple-output (MIMO) systems to provide extrinsic soft information to the outer decoder for more robust decoding. The PCA assisted MIMO detector has been implemented and validated on a state-of-the-art Xilinx FPGA device. The results obtained indicate that the proposed scheme is clearly suitable for a highly parallel and fully pipelined hardware implementation which outperforms alternative algorithms with respect to the resource requirements and the decoding latency.

• 出版日期2011-2