no code implementations • 1 Dec 2023 • Parisa Ramezani, Maksym A. Girnyk, Emil Björnson
While reconfigurable intelligent surface (RIS)-aided user-specific beamforming has been vastly investigated, the aspect of utilizing RISs for assisting cell-specific transmission has been largely unattended.
no code implementations • 12 Nov 2023 • Parisa Ramezani, Maksym A. Girnyk, Emil Björnson
A reconfigurable intelligent surface (RIS) consists of a large number of low-cost elements that can control the propagation environment seen from a transmitter by intelligently applying phase shifts to impinging signals before reflection.
1 code implementation • 5 Nov 2021 • Maksym A. Girnyk
This paper studies the problem of linear precoding for multiple-input multiple-output (MIMO) communication channels employing finite-alphabet signaling.
1 code implementation • 11 Oct 2021 • Maksym A. Girnyk, Sven O. Petersson
We propose an efficient method for designing broad beams with spatially flat array factor and efficient power utilization for cell-specific coverage in communication systems equipped with large antenna arrays.
no code implementations • 4 Dec 2020 • Sven O. Petersson, Maksym A. Girnyk
The usefulness of the ASI beamforming is illustrated by means of a numerical example showing the design of a cell-specific broad beam for publicchannel transmission in a realistic network deployment.
