A high performance low complexity joint transceiver for closed-loop MIMO applications

Authors:
Jian-Lung Tzeng;Chien-Jen Huang;Yu-Han Yuan;Hsi-Pin Ma
Affiliations:
National Tsing Hua University, Hsinchu, Taiwan;National Tsing Hua University, Hsinchu, Taiwan;National Tsing Hua University, Hsinchu, Taiwan;National Tsing Hua University, Hsinchu, Taiwan
Venue:
Proceedings of the 2010 Asia and South Pacific Design Automation Conference
Year:
2010

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Abstract

An efficient and practicable MIMO transceiver in which transmitter antenna selection is applied to QR detector and GMD precoding through limited feedback channel is implemented. For over 4 x 5 antenna selection, the proposed antenna selection scheme can save more than 50% computational complexity compared with that of the exhausting method. From the simulation results, the proposed transceiver can achieve over 6 dB SNR improvement over the open-loop V-BLAST counterparts at BER=10-2 under i.i.d. channel. Finally, a MIMO joint transceiver hardware platform on a Xilinx FPGA is realized to verify the proposed algorithm and architecture.