Low complexity multi-user multi-stream MIMO vector perturbation precoder for FPGA implementation

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概要

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• A new minimum-total-mean-square-error (MTMSE) criterion based vector perturbation precoder is proposed for multi-user multi-stream MIMO downlink, which has much lower computational complexity and slightly better BER performance than the traditional MTMSE-MUMS-VP precoder we proposed before. Furthermore, the proposed precoder is verified on a Xilinx Virtex-4 FPGA at 400MHz. Many slices resource can be saved due to the reduction of complexity, and with 16QAM constellation the data throughput is up to 12.8Gbit/s in a {2,2,2,2} × 8 MIMO configuration.

著者

• Li Jiandong

  State Key Lab. ISN, Xidian University

• Li Cong

  Department Of Computer Science And Engineering Graduate School Of Engineering Nagoya Institute Of Technology

• Chen Rui

  State Key Lab. Of Isn Xidian University

• Li Changle

  State Key Lab. Of Isn Xidian University

• Ma Yanjun

  School of Communication and Information Engineering, Xi'an University of Science and Technology

• Li Cong

  Department of Computer Science and Engineering, Nagoya Institute of Technology

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• Low complexity multi-user multi-stream MIMO vector perturbation precoder for FPGA implementation

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