Results 31 to 40 of about 6,910,807 (299)
DDOS ATTACK DETECTION IN TELECOMMUNICATION NETWORK USING MACHINE LEARNING
Journal of Ubiquitous Computing and Communication Technologies, 2019 The telecommunication network that is the assemblage of the terminal nodes enables the whole to be connected. The swift progress in the telecommunication networks and the information technology has enabled a seamless connection and the capacity to store ...
P. A, S. S
semanticscholar +1 more source
Parity-time symmetry in parameter space of polarization
APL Photonics, 2021 Establishing parity-time (PT) symmetry in non-spatial space is a promising way to simplify the PT-symmetry system structure. In this paper, an implementation of PT symmetry in optical polarization space is reported.
Qi Ding +9 more
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IEEE Access, 2019 In this letter, a novel dual-beam and tri-band leaky-wave antenna (LWA) based on substrate integrated waveguide (SIW) structure is proposed, which has the capability of wide beam scanning range including broadside direction.
Yunjie Geng +5 more
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Wavefront reconfigurable metasurface through graphene micro-ribbons with resonant strategy
Results in Physics, 2023 The majority of metasurfaces are static in their optical properties due to the principles of their construction. For the effect of wavefront reconfigurable, graphene provides the opportunity for adjustability via gate biasing.
Kai He +6 more
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Optimization in telecommunication networks [PDF]
Statistica Neerlandica, 2005 Network design and network synthesis have been the classical optimization problems in telecommunication for a long time. In the recent past, there have been many technological developments such as digitization of information, optical networks, Internet, and wireless networks. These developments have led to a series of new optimization problems.
openaire +4 more sources
IEEE Access, 2020 In this paper, a smart antenna array based on the image-aware technique that can automatically switch its beam to track users is proposed. Mobilenet, a deep neural network (DNN), is utilized to find the users' position information from images; it is ...
Yuchen Ma +7 more
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Transverse Asymmetry of the Index Modulation Profile in Few-Mode Fiber Bragg Grating
Photonics, 2021 The transverse asymmetry of the index modulation profile in the asymmetric few-mode fiber Bragg grating (FM-FBG) was investigated. The transverse asymmetry of the index modulation profile will lead to mode conversion between modes with the different ...
Peihong Guan +6 more
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IEEE Photonics Journal, 2017 A tunable polarization beam splitter (PBS) is proposed based on a dual-core photonic crystal fiber (DCPCF). The DCPCF is filled with magnetic fluids in the air holes, whose refractive index varies with the magnetic field strength. The two polarized modes
Jianshuai Wang +6 more
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Strain-Insensitive Temperature Sensor Based on Few-Mode Fiber and Photonic Crystal Fiber
IEEE Photonics Journal, 2022 Based on few-mode fiber (FMF) and photonic crystal fiber (PCF), a new temperature sensor with a FMF-PCF-FMF hybrid construction has been developed. Furthermore, the sensor has a longitudinally symmetrical structure that makes it have a flexible sensor ...
Xuekai Gao +7 more
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Frequency and time transfer for metrology and beyond using telecommunication network fibres [PDF]
, 2015 The distribution and the comparison of an ultra-stable optical frequency and accurate time using optical fibres have been greatly improved in the last ten years. The frequency stability and accuracy of optical links surpass well-established methods using
O. Lopez +13 more
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