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Title of Journal: J of ElectronChina

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Abbravation: Journal of Electronics (China)

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Science Press

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DOI

10.1002/zaac.19241360105

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1993-0615

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Blind multiuser detection for VBLAST coded multic

Authors: Ke Deng Qinye Yin Hong Zhang
Publish Date: 2006/01/01
Volume: 23, Issue: 1, Pages: 14-19
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Abstract

Focusing on the spacetime coded multiuser mobile communication systems in the frequencyselective fading environment this paper proposes a Vertical Bell labs LAyered SpaceTime VBLAST coded Multicarrier CodeDivision MultipleAccess MCCDMA scheme and its blind channel identification algorithm This algorithm employs an ESPRITlike method and the singular value decomposition and the channels between every transmit antenna of every user and every receive antenna of the base station are blindly estimated with a closedform solution Based on it an equivalent Minimum MeanSquared Error MMSE timedomain multiuser detector is derived Moreover the proposed scheme exploits the precoding in the transmitter in order to eliminate the constraint of more receive antennas than transmit ones required by most conventional VBLAST codec schemes Computer simulation results demonstrate the validity of this proposed scheme

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