Cooperative Communications with Outage-Optimal Opportunistic Relaying
IEEE Transactions on Wireless Communications
PHY-layer Fairness in Amplify and Forward Cooperative Diversity Systems
IEEE Transactions on Wireless Communications
Opportunistic beamforming using dumb antennas
IEEE Transactions on Information Theory
Distributed space-time-coded protocols for exploiting cooperative diversity in wireless networks
IEEE Transactions on Information Theory
Cooperative diversity in wireless networks: Efficient protocols and outage behavior
IEEE Transactions on Information Theory
Fading relay channels: performance limits and space-time signal design
IEEE Journal on Selected Areas in Communications
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In amplify-and-forward (AF) based multisource multi-relay cooperative networks, system diversity will be restricted by the channels of the forwarding hop in the absence of direct source-destination links in Rayleigh fading. In this letter, we dedicate to solve this bottleneck by deploying multiple antennas at the destination. By analyzing the outage bounds and diversity order of the system, we make a conclusion that both forms of diversity, cooperative diversity and multiuser diversity, can be fully exploited when the number of antennas is not less than the number of sources.