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Our aim in this paper is to define a novel beamforming approach in wireless multiple-input-multiple-output (MIMO) code-division-multiple-access (CDMA) relay networks, which involves communication between multiple source-destination pairs. It is assumed that full channel state information of source-relay and relay-destination channels are available. Our design consists of a two-step amplify-and-forward...
This paper deals with optimal beamforming in wireless multiple-input-multiple-output (MIMO) relay networks that involves multiple concurrent source-destination pairs with imperfect channel state information (CSI) at relays. Our aim is the optimization of the MIMO relay weights that minimize the total relay transmit power subject to signal-to-interference-plus-noise ratio (SINR) of all destinations...
In this paper, we consider a two way relay network containing two single antenna transceivers and a MIMO relay. We consider a two stage design process, first by obtaining soft estimate of the transmitted signal through receiver beamformer and then designing transmitter beamformers. We minimize the relay transmit power (dissipated in the relay) subject to two constrains on the transceivers received...
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