Feature selection in machine learning: A new perspective

J Cai, J Luo, S Wang, S Yang - Neurocomputing, 2018 - Elsevier
High-dimensional data analysis is a challenge for researchers and engineers in the fields of
machine learning and data mining. Feature selection provides an effective way to solve this …

Security enhancement for OFDM-PON using Brownian motion and chaos in cell

T Wu, C Zhang, C Chen, H Hou, H Wei, S Hu, K Qiu - Optics express, 2018 - opg.optica.org
We propose a novel security enhancement technique for a physical layer secure orthogonal
frequency division multiplexed passive optical network (OFDM-PON) based on three …

Ultrahigh count coherent WDM channels transmission using optical parametric comb-based frequency synthesizer

V Ataie, E Temprana, L Liu, E Myslivets… - Journal of Lightwave …, 2015 - opg.optica.org
A novel optical frequency synthesizer capable of generating a multitude of narrow linewidth
oscillations, fully compatible with high-speed fiber-optic transmission requirements, is …

Experimental demonstration of security-enhanced OFDMA-PON using chaotic constellation transformation and pilot-aided secure key agreement

W Zhang, C Zhang, C Chen… - Journal of Lightwave …, 2017 - ieeexplore.ieee.org
This paper proposes a chaotic constellation transformation (CCT) technique for physical-
layer security enhancement in orthogonal frequency-division multiple access based passive …

A key space enhanced chaotic encryption scheme for physical layer security in OFDM-PON

M Bi, X Fu, X Zhou, L Zhang, G Yang… - IEEE Photonics …, 2017 - ieeexplore.ieee.org
In this paper, we propose a key space enhanced chaos-based encryption scheme with no
requirement of redundant sideband information in an orthogonal frequency division …

Time–frequency domain encryption with SLM scheme for physical-layer security in an OFDM-PON system

Y **ao, Z Wang, J Cao, R Deng, Y Liu, J He… - Journal of Optical …, 2017 - opg.optica.org
The security of orthogonal-frequency-division-multiplexing-based passive optical network
(OFDM-PON) systems has been an important problem recently. In this paper, a time …

Chaos coding-based QAM IQ-encryption for improved security in OFDMA-PON

W Zhang, C Zhang, W **, C Chen… - IEEE Photonics …, 2014 - ieeexplore.ieee.org
In this letter, we propose a quadrature amplitude modulation (QAM) encryption method
based on chaos coding for security improvement in orthogonal frequency-division multiple …

Brownian motion encryption for physical-layer security improvement in CO-OFDM-PON

W Zhang, C Zhang, C Chen, H Zhang… - IEEE Photonics …, 2017 - ieeexplore.ieee.org
This letter proposes a hybrid symbol substitution and interleaving technique based on
Brownian motion for security improvement in the coherent optical orthogonal frequency …

Hybrid chaotic confusion and diffusion for physical layer security in OFDM-PON

W Zhang, C Zhang, C Chen, H Zhang… - IEEE Photonics …, 2017 - ieeexplore.ieee.org
Physical layer security is of key interest for secure passive optical networks (PONs). We
propose a hybrid chaotic confusion and diffusion (HCCD)-based encryption method for …

Acousto-optic frequency shifter-based microwave photonic channelized receiver using a single optical frequency comb

N Li, H Huang, C Zhang, K Qiu - Optics Letters, 2022 - opg.optica.org
A microwave photonic channelization receiver is a promising technology for broadband
radio frequency (RF) signal monitoring and reception. In this Letter, by exploiting acousto …