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In this paper, a network coding broadcast (NC-BC) scheme is proposed to improve the spectral efficiency for multiple-input and multiple-output (MIMO) transmissions. Particularly by network coding the base station broadcast message with each user message respectively, NC-BC can save the radio resource allocated for base station broadcasting, which is necessary in conventional time division-based scheme...
In this paper, a denoise-and-forward network coding (DNF-NC) scheme is proposed for multiple-input and multiple-output (MIMO) two-way relaying channels. Specifically the relay jointly detects the M-quadrature amplitude modulation (M-QAM) messages from two sources, and remaps the network coded detections into the same modulation mode. Furthermore, the precoding design for DNF-NC is studied to minimize...
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