Efficient Encoding Method for Combined Codes in the MWD Telemetry System

W Chen, Q Gu, X Li, C Ye, J Lin - Electronics, 2023 - mdpi.com
MPPM (Multipulse Position Modulation) is a pulse code technology that is widely used in
optical communication and deep space communication due to its high energy efficiency …

Experimental demonstration of SNSPD-based free space optical communication with a high extinction ratio modulator

M Guo, Y Wang, Y Yao, S Duan, H Zhang, W Lin… - Optics …, 2024 - Elsevier
With the development of space technology, the amount of information transmission required
by satellites and various spacecraft has increased exponentially. The use of optical …

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 …

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 …

Research on transmission rate of deep space optical communications based on PPM technology

Y Wang, N Guan, J Yu, H Li - 2022 2nd International …, 2022 - ieeexplore.ieee.org
For long-distance data transmission requirements for deep-space optical communication, it
is necessary to maximize the transmit power and conversion efficiency of emission source …

Remote Sensing with Use of Coherent Parametric Quantum Amplifiers

P Kumar, GS Kanter - IGARSS 2023-2023 IEEE International …, 2023 - ieeexplore.ieee.org
Optical amplifiers play a key role in a variety of optical communication and sensing
applications. Their value in direct detection is in overcoming the thermal noise of the …

Error performance study of MPPM optical communication systems with finite extinction ratios

M Hassan, S Shapsough, T Landolsi… - 2016 International …, 2016 - ieeexplore.ieee.org
Multi-pulse pulse position modulation (MPPM) aims to improve the receiver bandwidth
efficiency with respect to M-ary PPM. It is regarded as an attractive modulation scheme that …

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 …

[PDF][PDF] Efficient Encoding Method for Combined Codes in the MWD Telemetry System. Electronics 2023, 12, 4683

W Chen, Q Gu, X Li, C Ye, J Lin - 2023 - pdfs.semanticscholar.org
MPPM (Multipulse Position Modulation) is a pulse code technology that is widely used in
optical communication and deep space communication due to its high energy efficiency …

Performance evaluation of optically-preamplified hybrid QPSK M-ary PPM systems with finite extinction ratios

T Landolsi, MS Hassan, AF Elrefaie, S Hamid - Optical Fiber Technology, 2015 - Elsevier
In this paper, we investigate the impact of finite extinction ratios on the error performance of
optically-preamplified homodyne hybrid PDM-QPSK M-ary PPM (PQ-mPPM) systems. The …