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A novel combined space-time block code (STBC) and vertical bell-labs layered space time (VBLAST) scheme is
developed in this paper for the downlinks space distributed multiple-input multiple-output (SD-MIMO) system on spatial
correlated channels. Considering the topological structure of SD-MIMO system and the characteristic of the spatial
correlated SD-MIMO channels, STBC is utilized within each distributed antenna (DA) port while VBLAST is adopted
between largely spaced DA ports. In order to decrease the computational complexity and save the total transmit power, a
transmit antenna selection scheme by the strategy of minimum propagation path loss is investigated as well. The
simulation results prove that the proposed STBC-VBLAST scheme can improve the BER performance obviously
compared with conventional VBLAST scheme and keep the BER performance robust over spatial corrected SD-MIMO
channels. Based on the results of this paper, the proposed STBC-VBLAST scheme appears to be an effective solution to
achieve a good trade off between diversity and multiplexing for downlink SD-MIMO systems.
Xi Cao,Guangxi Zhu,Gang Su, andXuejun Liang
"Combined STBC and VBLAST scheme with transmit antenna selection for downlink space distributed MIMO systems", Proc. SPIE 6795, Second International Conference on Space Information Technology, 679571 (10 November 2007); https://doi.org/10.1117/12.775286
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Xi Cao, Guangxi Zhu, Gang Su, Xuejun Liang, "Combined STBC and VBLAST scheme with transmit antenna selection for downlink space distributed MIMO systems," Proc. SPIE 6795, Second International Conference on Space Information Technology, 679571 (10 November 2007); https://doi.org/10.1117/12.775286