Zobrazeno 1 - 10
of 726
pro vyhledávání: '"code division multiplexing"'
Publikováno v:
IEEE Access, Vol 12, Pp 142181-142193 (2024)
This paper presents an all-optical time-extended optical code division multiplexing (TE-OCDM) system using two different optical en/decoders (E/Ds). The proposed system configuration alleviates the rigorous requirement for transmitter specifications
Externí odkaz:
https://doaj.org/article/2bd991c79b0449e48215ed40ce69d98c
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
Publikováno v:
Results in Optics, Vol 15, Iss , Pp 100649- (2024)
Fiber Bragg Gratings (FBGs) in a sensor network have been widely used for structural health and process monitoring. The number of FBGs with distinct wavelength that can be used in such a sensor network is limited by the bandwidth of the laser used. F
Externí odkaz:
https://doaj.org/article/5348c0e569f5495d8c25887794bcdb37
Publikováno v:
Tongxin xuebao, Vol 44, Pp 127-138 (2023)
In order to improve the performance of target detection and solve the problem of self-interference and mutual interference between multiple targets and multiple users, a radar communication integration system based on serial time division CC-CDMA was
Externí odkaz:
https://doaj.org/article/f50a93224701469dac2ccb57eba4c0e7
Autor:
Bih-Chyun Yeh
Publikováno v:
Photonics, Vol 11, Iss 9, p 819 (2024)
We propose a novel family of codes comprising two mutually orthogonal states of polarization (SOPs) for the spectral encoding of one-dimensional (1D) Corite codes with two-code keying (TCK) for use in the spectral amplitude coding (SAC) of optical co
Externí odkaz:
https://doaj.org/article/24af00b702e146019f7523f4d8588cce
Publikováno v:
Sensors, Vol 24, Iss 17, p 5609 (2024)
In the evolving landscape of sixth-generation wireless communication, the integration of visible light communication (VLC) and visible light positioning (VLP), known as visible light positioning and communication (VLPC), emerges as a pivotal technolo
Externí odkaz:
https://doaj.org/article/f2400039d90d439b9bc343e943a329bb
Publikováno v:
Opto-Electronic Advances, Vol 6, Iss 8, Pp 1-9 (2023)
Color metasurface holograms are powerful and versatile platforms for modulating the amplitude, phase, polarization, and other properties of light at multiple operating wavelengths. However, the current color metasurface holography can only realize st
Externí odkaz:
https://doaj.org/article/35fb0ce33c6c4c0a8105c68b10027b5b
Publikováno v:
Alexandria Engineering Journal, Vol 61, Iss 12, Pp 10407-10418 (2022)
A novel 120 Gbps free space optics (FSO) transmission scheme is introduced by combining orbital angular momentum (OAM) multiplexed signals with spectral amplitude coded (SAC)-optical code division multiplexing access (OCDMA) technique. Four OAM beams
Externí odkaz:
https://doaj.org/article/f0d285a675334e1c8042655ed00f358c
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