no code implementations • 9 Jun 2022 • Ayse Betul Buyuksar, Eylem Erdogan, Ibrahim Altunbas
The results have shown that RAs can make the overall system more resilient to shadowing and fading effects in terms of error performance, and they are energy efficient.
no code implementations • 28 Dec 2021 • Eylem Erdogan, Ibrahim Altunbas, Gunes Karabulut Kurt, Halim Yanikomeroglu
Issues with tracking, precision pointing, and Doppler shift are the major sources of performance loss in laser inter-satellite communication that can severely decrease the coverage and overall performance of satellite constellations.
no code implementations • 9 Dec 2021 • Olfa Ben Yahia, Eylem Erdogan, Gunes Karabulut Kurt, Ibrahim Altunbas, Halim Yanikomeroglu
In recent years, satellite communication (SatCom) systems have been widely used for navigation, broadcasting application, disaster recovery, weather sensing, and even spying on the Earth.
no code implementations • 27 Jul 2021 • Olfa Ben Yahia, Eylem Erdogan, Gunes Karabulut Kurt, Ibrahim Altunbas, Halim Yanikomeroglu
In the first phase of transmission, the satellite selects the HAPS node that provides the highest signal-to-noise ratio (SNR).
no code implementations • 30 Jun 2021 • Olfa Ben Yahia, Eylem Erdogan, Gunes Karabulut Kurt, Ibrahim Altunbas, Halim Yanikomeroglu
In SatCom, radio-frequency (RF) or free-space optical (FSO) communications can be used depending on the communication environment.
no code implementations • 15 Jun 2021 • Olfa Ben Yahia, Eylem Erdogan, Gunes Karabulut Kurt, Ibrahim Altunbas, Halim Yanikomeroglu
In this work, we propose a new physical layer security framework for optical space networks.
no code implementations • 5 Oct 2020 • Eylem Erdogan, Ibrahim Altunbas, Gunes Kurt, Michel Bellemare, Guillaume Lamontagne, Halim Yanikomeroglu
Recent advances have shown that satellite communication (SatCom) will be an important enabler for next generation terrestrial networks as it can provide numerous advantages, including global coverage, high speed connectivity, reliability, and instant deployment.
no code implementations • 5 Jun 2020 • Zehra Yigit, Ertugrul Basar, Ibrahim Altunbas
Reconfigurable intelligent surface (RIS)-based transmission technology offers a promising solution to enhance wireless communication performance cost-effectively through properly adjusting the parameters of a large number of passive reflecting elements.