Abstract: This paper studies pilot assignment (PA) in cell-free (CF) massive multiple-input multiple-output (MIMO). PA is a key issue to facilitate signal processing, e.g. beamforming, by providing ...

Abstract: This paper compares the performance of two spectral element method mapping strategies for modeling electromagnetic fields in eccentric coaxial waveguides filled with uniaxially anisotropic ...

Sometimes gardeners stray away from succulents because they've had poor success growing them indoors. Other times gardeners hear how easy they are to grow, buy them, and then watch them wither away.

Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Gordon Scott has been an active investor and ...