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In a spectrum sharing relay-aided secondary network, the design objective shifts from minimizing the violation of the primary system constraints when using the outdated channel state information (CSI), to making the best use of the available (imperfect) channel gain while maintaining the primary system Quality of Service (QoS). To address this trend, we propose a new power allocation based on a linear...
In this paper, two cooperative communications schemes with interference management are proposed for multiuser wireless networks. The first scheme (Interference Constraint based Relay Selection (ICRS)) maximizes the received SNR while keeping the interference levels below a certain threshold, and the second scheme (General Order Relay and User Selection (GORUS)) is using channel state informations...
Cooperative radio communication has been proposed as an efficient technique to extend coverage and improve throughput in future wireless networks. However, its performance gain is degraded in the presence of co-channel interference. In this paper, we introduce an efficient cooperative communications scheme which maximizes the received signal to noise ratio (SNR) while keeping the interference levels...
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