Error rates of optically pre-amplified PPM wireless systems with coding and arbitrary optical filter response

K Yiannopoulos, NC Sagias, I Moscholios - AEU-International Journal of …, 2024 - Elsevier
We present novel results for the uncoded and coded bit-error probability (BEP) of optically
pre-amplified pulse-position modulation (PPM) wireless systems. For uncoded systems, a …

Error performance of preamplified optical PPM systems with finite extinction ratios

T Landolsi, AF Elrefaie - Optical Fiber Technology, 2014 - Elsevier
In this paper, we present an analytical study of the error performance in optically
preamplified, M-ary pulse position modulation, in free-space optical communication systems …

Performance evaluation of optically preamplified PPM systems with dual-polarized ASE noise and finite extinction ratios

T Landolsi, AF Elrefaie - IEEE Transactions on …, 2014 - ieeexplore.ieee.org
Pulse position modulation (PPM) presents several advantages in free-space optical
systems, unrepeatered fiber transmission, and passive optical networks. In this paper, we …

A New Family of Nyquist Pulses With Improved Performance

KD Gazouleas, NC Sagias, MC Batistatos… - IEEE …, 2023 - ieeexplore.ieee.org
In this work, we introduce and evaluate the performance of a novel family of Nyquist
(intersymbol interference free) pulses that outperform several existing ones available in the …

Performance evaluations of hybrid modulation with different optical labels over PDQ in high bit-rate OLS network systems

M Xu, Y Li, TZ Kang, TS Zhang, JH Ji, SW Yang - Optics Express, 2016 - opg.optica.org
Two orthogonal modulation optical label switching (OLS) schemes, which are based on
payload of polarization multiplexing-differential quadrature phase shift keying (POLMUX …

Performance of single and dual-polarized optically preamplified M-ary PPM systems with finite extinction ratios over FSO fading channels

T Landolsi, AF Elrefaie - Optics communications, 2016 - Elsevier
M-ary pulse position modulation (PPM) systems have been considered in free-space optical
(FSO) communications, optical fiber links, and passive optical networks. In this paper, we …

Bit error rate performance of underwater optical wireless communication with hybrid modulation

Q Luo, C Chen, J Ji, M Xu - IET Communications, 2023 - Wiley Online Library
Turbulence effects can cause performance degradation for underwater optical wireless
communication (UOWC) system. In this paper, a hybrid modulation (modulation–modulation …

Performance of optically-preamplified, direct-detection, m-ary ppm for inter-satellite links

SH Mohamed, AF Elrefaie, MS Hassan… - 2019 Wireless …, 2019 - ieeexplore.ieee.org
In this paper, we evaluate the end-to-end performance of optically-preamplified, direct-
detection, 16-ary and 64-ary Pulse Position Modulation (PPM) receivers with optical Fabry …

Performance of optically-preamplified PDM-BPSK-M-ary PPM and PDM-QPSK-M-ary PPM systems with finite extinction ratio

SH Mohamed, MS Hassan… - 2015 IEEE 8th GCC …, 2015 - ieeexplore.ieee.org
In this paper, we evaluate the performance of optically preamplified homodyne receivers for
combined modulation schemes. The combined modulation schemes include polarization …

Effects of pointing errors and channel fading on the performance of free‐space optically‐preamplified PPM systems

T Landolsi, AF Elrefaie - International Journal of …, 2016 - Wiley Online Library
In this paper, we study the impact of pointing errors and channel fading on the performance
of free‐space, optically preamplified, M‐ary PPM systems. We consider two types of free …