Impact of pointing errors on the performance of mixed RF/FSO dual-hop transmission systems

IS Ansari, F Yilmaz, MS Alouini - IEEE Wireless …, 2013 - ieeexplore.ieee.org
In this work, the performance analysis of a dual-hop relay transmission system composed of
asymmetric radio-frequency (RF)/free-space optical (FSO) links with pointing errors is …

Noncoherent backscatter communications over ambient OFDM signals

MA ElMossallamy, M Pan, R Jäntti… - IEEE Transactions …, 2019 - ieeexplore.ieee.org
In recent years, ambient backscatter communications have gained a lot of interests as a
promising enabling technology for the Internet-of-Things and green communications. In …

On the performance of hybrid RF and RF/FSO fixed gain dual-hop transmission systems

IS Ansari, MS Alouini, F Yilmaz - 2013 Saudi international …, 2013 - ieeexplore.ieee.org
In this work, we present the performance analysis of a dual-branch transmission system
composed of a direct radio frequency (RF) link and a dual-hop relay composed of …

Statistical properties of single-mode fiber coupling of satellite-to-ground laser links partially corrected by adaptive optics

L Canuet, N Védrenne, JM Conan, C Petit… - Journal of the Optical …, 2017 - opg.optica.org
In the framework of satellite-to-ground laser downlinks, an analytical model describing the
variations of the instantaneous coupled flux into a single-mode fiber after correction of the …

On the performance analysis of hybrid ARQ with incremental redundancy and with code combining over free-space optical channels with pointing errors

E Zedini, A Chelli, MS Alouini - IEEE Photonics Journal, 2014 - ieeexplore.ieee.org
In this paper, we investigate the performance of hybrid automatic repeat request (HARQ)
with incremental redundancy (IR) and with code combining (CC) from an information …

Performance analysis of an asymmetric two-hop amplify-and-forward relaying RF–FSO system in a cognitive radio with partial relay selection

M Torabi, N Mohammadi, C Nerguizian - Optics Communications, 2022 - Elsevier
In this paper a performance analysis is presented for an asymmetric two-hop amplify-and-
forward (AF) relaying system with multiple relays in an underlay cognitive radio network …

On the sum of squared eta-µ random variates with application to the performance of wireless communication systems

IS Ansari, F Yilmaz, MS Alouini - 2013 IEEE 77th Vehicular …, 2013 - ieeexplore.ieee.org
The probability density function (PDF) and cumulative distribution function of the sum of L
independent but not necessarily identically distributed squared η-μ variates, applicable to …

A performance study of two hop transmission in mixed underlay RF and FSO fading channels

IS Ansari, MM Abdallah, MS Alouini… - 2014 IEEE Wireless …, 2014 - ieeexplore.ieee.org
In this work, we present the performance analysis of a dual-hop transmission system
composed of asymmetric radio frequency (RF) and free-space optical (FSO) links in …

Backscatter communications over ambient OFDM signals using null subcarriers

MA ElMossallamy, Z Han, M Pan… - 2018 IEEE Global …, 2018 - ieeexplore.ieee.org
In recent years, ambient backscatter communications have gained a lot of interest as a
promising enabling technology for Internet-of-Things and green communications. In ambient …

Sum of arbitrarily correlated Gamma random variables with unequal parameters and its application in wireless communications

Y Feng, M Wen, J Zhang, F Ji… - … conference on computing …, 2016 - ieeexplore.ieee.org
Characterizing the distribution for the sum of correlated Gamma random variables (RVs),
especially for the sum of those with unequal fading and power parameters, is still an open …