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In this letter, an optimal power allocation scheme between the secondary transmitter (ST) and secondary relay (SR) with best relay selection is proposed for a two-hop decode and forward cognitive relay network. Based on the joint consideration of the interference from ST and SR to the primary user (PU), the closed-form solution for optimal power allocation and relay selection (PARS) is presented under...
System's storage life modeling is a highly discussed topic in reliability field. The tradition methods of System's storage life modeling include fault tree analysis, block diagram analysis and so on. In this article, we assume temperature as the main stress that should be considered and the strength of the system is the maximum temperature the system could bear. Under these assumptions, a new storage...
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