Results 61 to 70 of about 20,276,485 (162)
MATEC Web of Conferences, 2017 This paper proposes an integration of optical Code Division Multiple Access (OCDMA) with new catenated Orthogonal Frequency Division Multiplexing (OFDM) modulation scheme. This effective combination based on Zero Cross Correlation (ZCC) code can enhanced
Nawawi N. M. +3 more
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IEEE Photonics Journal, 2019 In this paper, optical code division multiple access (OCDMA) based hybrid free-space optical (FSO)/fiber wiretap channel is proposed, and the physical-layer security is analyzed theoretically, using the conditional secrecy outage probability as ...
Jianhua Ji +3 more
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Applications of perfect difference codes in fiber-optics and wireless optical code-division multiplexing/multiple-access systems [PDF]
, 2012 After establishing itself in the radio domain, Spread spectrum code-division multiplexing/multiple-access (CDMA) has seen a recent upsurge in optical domain as well.
Umrani, Fahim Aziz
core
Applied Sciences, 2019 We present packet switching applications based on extended spectral-amplitude-coding (SAC) labels in generalized multi-protocol label switching (GMPLS) networks.
Kai-Sheng Chen
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Wheel-Based MDM-PON System Incorporating OCDMA for Secure Network Resiliency
Photonics, 2023 Wheel-based network resilience passive optical network (PON) based on mode division multiplexing (MDM) can be integrated with optical code division multiple access (OCDMA) schemes efficiently for the fixed and backhaul traffic under normal and break ...
Meet Kumari +2 more
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Hiding Stealth Optical CDMA Signals in Public BPSK Channels for Optical Wireless Communication
Applied Sciences, 2018 A new optical steganography scheme is proposed that transmits a stealth optical code-division multiple-access (OCDMA) signal through a public binary phase-shift keying (BPSK) channel. Polarization beam splitters and arrayed waveguide gratings are used to
Chih-Ta Yen +2 more
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Application and Analysis of Performance of DQPSK Advanced Modulation Format in Spectral Amplitude Coding OCDMA [PDF]
Mehran University Research Journal of Engineering and Technology, 2014 SAC (Spectral Amplitude Coding) is a technique of OCDMA (Optical Code Division Multiple Access) to encode and decode data bits by utilizing spectral components of the broadband source.
Abdul Latif Memon +2 more
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SAC-OCDMA over Hybrid FTTx Free Space Optical Communication Networks
Journal of Telecommunications and Information Technology, 2015 This paper presents an investigation of Spectral Amplitude Coding Optical Code Division Multiple Access (SAC-OCDMA) over hybrid Fiber-to-the-x (FTTx) Free Space Optical (FSO) link under different weather conditions.
Ratna Kalos Zakiah Sahbudin +4 more
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Error Probability Bound Considering Beat Noise in 2-D OCDMA Systems
Journal of Communications Software and Systems, 2007 Considering a 2-Dimensional Optical Code Division Multiple Access (2-D OCDMA) system using spreading codes in both time and wavelength domains, we study in this paper theimpact on the performance of one of the most predominantperformance limitation which
Stephanie Sahuguede +2 more
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Performance analysis of Spectral Amplitude Coding-Optical Code Division Multiple Access (SAC-OCDMA) in free space optical networks with a multi-wavelength laser source [PDF]
, 2017 We present spectral amplitude coding, optical code division multiple access technique in free space optical network utilizing multi-wavelength laser source. Using the simulation software, the system performance is analysed while the impact of the turbulence is also considered.
Moghaddasi, Majid +5 more
openaire +1 more source