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Future 5G mobile networks are expected to support high numbers of simultaneously connected devices and to achieve high system spectrum efficiency at low power consumption. To attain these goals, device-to-device (D2D) communication is a key component. We allow any cellular user equipment to share its radio resource with multiple D2D devices and then develop the MiSo algorithm, which considers spectrum...
In this paper, we consider a mixed free-space optical (FSO) communication scheme with the help of a fixed relay. We assume that the links from the source to the relay are radio-frequency links with multiuser diversity operating in η-μ fading channels while the link between the relay and the destination is a FSO link with M-distribution. We first derive expressions for the cumulative distribution function...
The scattered pixel problem in hyperspectral images caused by atmospheric noises and incomplete classification can lead to unsatisfactory classification; this problem remains to be solved. This letter reports the application of minimum noise fractions (MNFs) combined with fast and adaptive bidimensional empirical mode decomposition (FABEMD) as a two-step process to improve the classification accuracy...
In this paper, we consider a mixed Rayleigh and Exponentiated Weibull (EW) Dual-Hop communication scheme where the links between the source and the relay are radio-frequency (RF) links following Rayleigh fading while the link from the relay to the destination is a free-space optical (FSO) link experiencing EW distribution under weak-to-strong turbulence circumstance. On the study about the performance...
This paper explores the potential benefit of recently proposed spectrally-efficient frequency-division multiplexing systems (SEFDM), when compared to traditional orthogonal frequency-division multiplexing (OFDM) systems. First, the considered SEFDM channel model is described, then we obtain an expression for the capacity of this channel in case of un-precoded transmission. We evaluate the channel...
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