Abstract: To combat the Doppler shift caused by high mobility, orthogonal time frequency space (OTFS) systems have been proposed to convert the timevarying channel into a nearly time-invariant channel ...

Abstract: Efficient computation of the Discrete Fourier Transform (DFT) for signals with structured frequency support remains a significant challenge in signal processing. The traditional Fast Fourier ...

Buyout firms have struggled to sell companies they own and have instead found a workaround to get cash back to clients: Selling the companies to themselves. By Maureen Farrell Maureen Farrell covers ...