no code implementations • 20 May 2024 • Islam M. Tanash, Risto Wichman
This paper proposes a three-dimensional (3D) satellite-terrestrial communication network assisted with reconfigurable intelligent surfaces (RISs).
no code implementations • 19 Jan 2021 • Islam M. Tanash, Taneli Riihonen
We revisit the Karagiannidis-Lioumpas (KL) approximation of the Q-function by optimizing its coefficients in terms of absolute error, relative error and total error.
no code implementations • 14 Jul 2020 • Islam M. Tanash, Taneli Riihonen
This paper presents a novel systematic methodology to obtain new simple and tight approximations, lower bounds, and upper bounds for the Gaussian Q-function, and functions thereof, in the form of a weighted sum of exponential functions.