Bipolar Optical Code Division Multiple Access Techniques Using a Dual Electro-Optical Modulator Implemented in Free-Space Optics Communications [PDF]
Sensors, 2020 This study developed a bipolar optical code division multiple access (Bi-OCDMA) technique based on spectral amplitude coding for the formation and transmission of optical-polarized and coded signals over wireless optical channels.
Shin-Pin Tseng +3 more
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Two-Dimensional Permutation Vectors’ (PV) Code for Optical Code Division Multiple Access Systems [PDF]
Entropy, 2020 In this paper, we present a new algorithm to generate two-dimensional (2D) permutation vectors’ (PV) code for incoherent optical code division multiple access (OCDMA) system to suppress multiple access interference (MAI) and system complexity.
Hassan Yousif Ahmed +5 more
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WON-OCDMA System Based on MW-ZCC Codes for Applications in Optical Wireless Sensor Networks [PDF]
Sensors, 2021 The growing demand for extensive and reliable structural health monitoring resulted in the development of advanced optical sensing systems (OSS) that in conjunction with wireless optical networks (WON) are capable of extending the reach of optical ...
Saleh Seyedzadeh +4 more
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Application of Semiconductor Optical Amplifier (SOA) in Managing Chirp of Optical Code Division Multiple Access (OCDMA) Code Carriers in Temperature Affected Fibre Link [PDF]
Applied Sciences, 2018 Chromatic and temperature induced dispersion can both severely affect incoherent high data rate communications in optical fibre. This is certainly also true for incoherent optical code division multiple access (OCDMA) systems with multi-wavelength ...
Md Shakil Ahmed, Ivan Glesk
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A Study of Dispersion Compensation of Polarization Multiplexing-Based OFDM-OCDMA for Radio-over-Fiber Transmissions [PDF]
Sensors, 2016 Chromatic dispersion from optical fiber is the most important problem that produces temporal skews and destroys the rectangular structure of code patterns in the spectra-amplitude-coding-based optical code-division multiple-access (SAC-OCDMA) system ...
Chih-Ta Yen, Wen-Bin Chen
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Nonlinear Effect and MAI Impact on SAC-OCDMA System Based on 2D Multi-Diagonal Code and Laser Array
Applied Sciences, 2021 A new architecture for Spectral Amplitude Coding Optical Code Division Multiple Access (SAC-OCDMA) system based on two Dimensional Multi Diagonal (2D-MD) codes named 2D-MD SAC-OCDMA and utilizing a laser optical source is proposed for Long-Reach Passive ...
Hichem Mrabet +4 more
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High-capacity and secure inter-satellite optical wireless communication using 2D DPS-OCDMA [PDF]
Scientific ReportsInter-satellite optical wireless communication (IsOWC) has emerged as a promising technology for high-capacity and secure links in next-generation satellite networks.
Ammar Armghan +5 more
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Suitable Combination of Direct Intensity Modulation and Spreading Sequence for LIDAR with Pulse Coding [PDF]
Sensors, 2018 In the coded pulse scanning light detection and ranging (LIDAR) system, the number of laser pulses used at a given measurement point changes depending on the modulation and the method of spreading used in optical code-division multiple access (OCDMA ...
Gunzung Kim, Yongwan Park
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Applied Sciences, 2021 In this study, a bipolar optical code-division multiple-access (Bi-OCDMA) technique based on spectral amplitude coding (SAC) was proposed by using a phase modulator to realize polarization coding through a free-space optical (FSO) channel.
Eddy Wijanto, Chun-Ming Huang
doaj +1 more source
Applied Sciences, 2023 This paper proposes a novel code for optical code division multiple access (OCDMA) systems, called the three-dimensional (3D) spectral/temporal/spatial single weight zero cross-correlation (3D-SWZCC) code.
Abdelhamid Cherifi +5 more
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