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In this paper, we propose a Decode-and-Forward Network Coded (DFNC) multi-user cooperation scheme for orthogonal uplink channels in a wireless network. The network consists of m peers having independent information transmitting to a common destination. Each peer transmits its own data in the first time phase and serves as a relay in the second time phase to transmit the network coded information combining...
Cooperative diversity techniques make a reduction in spectral efficiency despite of an increase in reliability. In this paper we propose a novel relaying protocol in a cooperative network with decode and forward (DF) relays to improve the spectral efficiency in addition to achieving full diversity order (maximum available reliability). The proposed protocol keeps the transmission rate fixed to the...
In this paper, the optimal power allocation problems are solved for hybrid distributed beamforming in wireless relay networks. The capacity of the source-destination link is maximized and the total transmit power of the source and the relays is minimized. The hybrid relaying which adapts relaying strategies such as amplify-and-forward (AF) and decode-and-forward (DF) to the channel condition can enhance...
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