61 citations · 202 across the 19 of their papers we have counts for
4 papers · 1 filter
Channel Estimation for MIMO Space Time Coded OTFS under Doubly Selective Channels
Roberto Bomfin, Marwa Chafii, Ahmad Nimr +1
In this paper, we present a unique word (UW)-based channel estimation approach for multiple-input multiple-output (MIMO) systems under doubly dispersive channels, which is applied…
CNN aided Weighted Interpolation for Channel Estimation in Vehicular Communications
Abdul Karim Gizzini, Marwa Chafii, Ahmad Nimr +2
IEEE 802.11p standard defines wireless technology protocols that enable vehicular transportation and manage traffic efficiency. A major challenge in the development of this technol…
OFDM with Index Modulation in Orbital Angular Momentum Multiplexed Free Space Optical Links
El-Mehdi Amhoud, Marwa Chafii, Ahmad Nimr +1
Communication using orbital angular momentum (OAM) modes has recently received a considerable interest in free space optical (FSO) communications. Propagating OAM modes through fre…
Alternative Chirp Spread Spectrum Techniques for LPWANs
Ivo Bizon Franco de Almeida, Marwa Chafii, Ahmad Nimr +1
Chirp spread spectrum (CSS) is the modulation technique currently employed by Long-Range (LoRa), which is one of the most prominent Internet of things wireless communications stand…