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Wyszukujesz frazę "optical multiplexing" wg kryterium: Temat


Wyświetlanie 1-2 z 2
Tytuł:
Analysis of hybrid PDM-4QAM-OFDM for inter-satellite/mechatronic telecommunication using FSO system
Autorzy:
Singh, Shivmanmeet
Grewal, Narwant Singh
Kaur, Baljeet
Powiązania:
https://bibliotekanauki.pl/articles/27315699.pdf
Data publikacji:
2023
Wydawca:
Polska Akademia Nauk. Stowarzyszenie Elektryków Polskich
Tematy:
inter-satellite optical wireless communication
IsOWC
mechatronic telecommunication
polarisation division multiplexing-quadrature amplitude modulation-orthogonal frequency division multiplexing
PDM-4QAM-OFDM
Opis:
In this paper, the designing and simulation of 400 Gbps polarisation division multiplexingquadrature amplitude modulation-orthogonal frequency division multiplexing (PDM- 4QAM-OFDM)-based inter-satellite optical wireless communication (IsOWC)/mechatronic telecommunication system for improving the link information carrying capacity was carried out. With quadrature amplitude modulation (QAM) encoding, the performance of the executed system has been addressed using metrics such as signal to noise ratio (SNR) and total received power (RP). The performance with suggested system has been examined in relation to the effects of various factors such as operating wavelength, transmission power, and receiving pointing error angle. Moreover, a better identification method for improving connection reach between mechatronic devices/satellites has been revealed in this study. A performance comparison of the proposed system with other implemented approaches has been made in the final step.
Źródło:
Opto-Electronics Review; 2023, 31, 3; art. no. e147036
1230-3402
Pojawia się w:
Opto-Electronics Review
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
1.28 Tbps DWDM optical network design using a dispersion compensating distributed Raman amplifier over S-band
Autorzy:
Gul, Baseerat
Ahmad, Faroze
Powiązania:
https://bibliotekanauki.pl/articles/2206823.pdf
Data publikacji:
2023
Wydawca:
Polska Akademia Nauk. Stowarzyszenie Elektryków Polskich
Tematy:
dense wavelength division multiplexing
conventional single mode fibre
optical signal to noise ratio
stimulated Raman scattering
S-band
dispersion compensating fibre
Opis:
A 100 km long dense wavelength division multiplexed optical network design with a capacity of 1.28 Tbps is proposed in this paper. The novelty of this work is the use of a dispersion compensating fibre as a Raman amplifier in the S-band for a high-capacity dense wavelength division multiplexing network. The transmission is accomplished auspiciously in the wavelength range from 196 THz to 202. 35THz. The coupling of a Raman amplifier made the realisation of the S-band possible in the network, as the erbium-doped fibre amplifier is competent for amplification in C- and L-bands only. Further, a pump coupler is used for multiple pumping to enlarge the gain spectrum for a high-capacity optical network. The performance analysis of the network is carried out systematically in terms of bit error rate (BER), eye diagram, Q-factor, and optical signal to noise ratio (OSNR). The results demonstrate that the proposed set-up shows adequately low BER, sufficient Q-factor values, wide eye-opening, and commendable OSNR for all receiving channels.
Źródło:
Opto-Electronics Review; 2023, 31, 2; art. no. e146104
1230-3402
Pojawia się w:
Opto-Electronics Review
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-2 z 2

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