Zobrazeno 1 - 10
of 481
pro vyhledávání: '"amplitude coding"'
Autor:
Somia A. Abd El-Mottaleb, Hassan Yousif Ahmed, Medien Zeghid, Abu Sufian Abdallah Osman Hassan
Publikováno v:
IEEE Access, Vol 12, Pp 32462-32471 (2024)
A new hybrid optical fiber communication (OFC) and free space optics (FSO) communication systems are proposed for enhancing the transmission capacity. It is based on using subcarrier modulation (SCM) with spectral amplitude coding based optical code
Externí odkaz:
https://doaj.org/article/b218b4ff21ba4a23bce3706430275083
Autor:
Kai-Sheng Chen
Publikováno v:
IEEE Photonics Journal, Vol 14, Iss 4, Pp 1-7 (2022)
This paper presents an implicit labeling scheme where stacked spectral-amplitude-coding (SAC) labels are inscribed in multiple payload bits in the packet front. Reliable label recognition in optical packet switching (OPS) is achieved by analyzing the
Externí odkaz:
https://doaj.org/article/c6ffd3181d944b6fb8eae5b166ff0d11
Akademický článek
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Akademický článek
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Autor:
Mehtab Singh, Jan Kříž, M. M. Kamruzzaman, Vigneswaran Dhasarathan, Abhishek Sharma, Somia A. Abd El-Mottaleb
Publikováno v:
Frontiers in Physics, Vol 10 (2022)
A novel free space optics (FSO) system is introduced in this article by combining orthogonal frequency division multiplexing (OFDM) with spectral amplitude coding optical code division multiple access (SAC-OCDMA) to be implemented in 5G technology an
Externí odkaz:
https://doaj.org/article/88bd12a2ef174b0b9c503f207dc9a25a
Autor:
Kai-Sheng Chen, Chung-Lien Pan
Publikováno v:
Photonics, Vol 10, Iss 6, p 613 (2023)
In this paper, the operating characteristic curves (OCCs) of optical code-division multiplexing (OCDM) technology for label switching of an optical packet-switching (OPS) network was evaluated. A node structure for processing the packets, with spectr
Externí odkaz:
https://doaj.org/article/b195ae6942114ad185d3b096d60e1147
Autor:
Ahmed M. Alhassan, Eithar Issam, Syed Alwee Aljunid, Mohd Rashidi Che Beson, Syed Mohammad Ammar, Norshamsuri Ali, Rosdisham Endut
Publikováno v:
Symmetry, Vol 15, Iss 6, p 1152 (2023)
In this paper, we investigate the performance of spectral amplitude coding optical code division multiple access (SAC OCDMA) systems under the effect of beat noise and turbulence. Three different multi-laser source configurations are considered in th
Externí odkaz:
https://doaj.org/article/a7d3f8b702a240cd8709226c871e6eab
Autor:
Kai-Sheng Chen, Wien Hong
Publikováno v:
Journal of the European Optical Society-Rapid Publications, Vol 16, Iss 1, Pp 1-10 (2020)
Abstract Signal buffering services such as contention resolution and congestion avoidance are essential in optical packet switching networks. In this paper, an optical memory scheme based on spectral amplitude coding (SAC) and complementary code keyi
Externí odkaz:
https://doaj.org/article/33432bdbdfdd4ef3a8112657750927ee
Autor:
Syed Mohammad Ammar, Norshamsuri Ali, Mohamad Naufal Saad, Syed Alwee Aljunid, Rosdisham Endut, Ahmed M. Alhassan, Collins Okon Edet
Publikováno v:
Applied Sciences, Vol 13, Iss 5, p 2829 (2023)
OCDMA is an optical access technology that has a lot of potential because it can be asynchronously accessed and provides a higher level of security. The authors presented a new DW family code, a flexible double weight (FDW) code, and a novel polariza
Externí odkaz:
https://doaj.org/article/a92dfe6e022944f6ae91bc316ada52a6