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This paper focuses on the compensation of carrier frequency offsets (CFO) for spatial multiplexing multi-input multi-output (MIMO) orthogonal frequency division multiplexing (OFDM) systems with distributed transmit antennas, where the CFOs between the receiver and each transmit antenna are possibly different and the zero-forcing (ZF) detection is used. Rather than the conventional linear frequency-domain...
In [1], a modified Vertical-Bell Labs layered space- time (V-BLAST) system has been proposed, where different delay offsets are intentionally applied to the spatially multiplexed data streams. Compared with the conventional synchronous V- BLAST system, the modified system with only a simple linear detection under zero-forcing(ZF) criterion can achieve Mr th- order diversity(where Mr is the number...
A modified Vertical-Bell Labs layered space-time (V-BLAST) system has been proposed in [1], where different delay offsets are intentionally applied to the spatially multiplexed data streams. Compared with the conventional synchronous V-BLAST system, the modified system can achieve Mr thorder diversity using zero-forcing(ZF) detection (where Mr is the number of receive antennas), therefore giving a...
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