The role and challenges of free-space optical systems

S Chaudhary, A Amphawan - Journal of Optical Communications, 2014 - degruyter.com
Complementing wireless radio networks with free-space optics (FSO) achieves high data
rates by modulating radio subcarriers over an optical carrier without expensive optical fiber …

[PDF][PDF] Comprehensive study of radio over fiber with different modulation techniques–a review

A Sharma, S Rana - International Journal of Computer Applications, 2017 - academia.edu
With the increase in the technology of networks and the internet, the need of the users also
increases. The requirement of high bandwidth, high data transmission rate etc increases. To …

Massive capacity of novel three‐dimensional OCDMA‐FSO system for next generation of high‐data wireless networks

M Rahmani, GN Sabri, A Cherifi… - Transactions on …, 2024 - Wiley Online Library
The present study examines an interesting wireless system known as spectral/temporal/
spatial‐optical code division multiple access‐free space optics (OCDMA‐FSO) by …

Optimization of high speed and long haul inter-satellite communication link by incorporating differential phase shift key and orthogonal frequency division multiplexing …

S Chaudhary, A Sharma, V Singh - Optik, 2019 - Elsevier
Inter-Satellite optical wireless communication (Is-OWC) link plays significant role for
transmission of data between the satellites in the space. In this work, 10 Gbps of data is …

High-speed 120 Gbps AMI-WDM-PDM free space optical transmission system

KK Upadhyay, S Srivastava, NK Shukla… - Journal of Optical …, 2019 - degruyter.com
Free space optical (FSO) communication systems are gaining high popularity from the last
decade due to its various advantages such as no license spectrum, low-cost implementation …

Empirical evaluation of 4 QAM and 4 PSK in OFDM-based inter-satellite communication system

S Chaudhary, R Kapoor, A Sharma - Journal of Optical …, 2019 - degruyter.com
Inter-satellite communication is a free-space optical technology which is used to establish
communication between satellites in space. This work is focused on the transmission of 10 …

High speed 4× 2.5 Gbps-5 GHz AMI-WDM-RoF transmission system for WLANs

S Chaudhary, P Chauhan, A Sharma - Journal of Optical …, 2019 - degruyter.com
Abstract Radio-over-fiber (RoF) is revolutionary technique to transmit radio signals over
optical fiber. It can be also suitable to distribute wireless local area networks (WLANs) due to …

Performance analysis of WDM-FSO system under adverse weather conditions

M Singh - Photonic Network Communications, 2018 - Springer
Free-space optics (FSO) is a data relaying technology, which requires a direct line of sight
between the transmitter and the receiver units for reliable transmission. FSO communication …

High speed inter-satellite communication system by incorporating hybrid polarization-wavelength division multiplexing scheme

S Chaudhary, N Chaudhary, S Sharma… - Journal of Optical …, 2017 - degruyter.com
Inter-Satellite communication is one of remarkable technologies that can be used to
communicate between satellites. This work is focused to carry out the investigations of …

Performance analysis of duobinary and CSRZ modulation based polarization interleaving for high-speed WDM-FSO transmission system

Z Zhou, H Zhang, C Lin, A Sharma - Journal of Optical …, 2022 - degruyter.com
In this paper, the bit error rate (BER) performance of Duobinary (DB) is compared with
carrier-suppressed return-to-zero (CSRZ) based polarization interleaving (PI) schemes for …