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Title: Chaos based IQ encryption for PAPR reduction and security enhancement in OFDMA PON system
Authors: Zhang, Wei
Zhang, Chongfu
Chen, Chen
Keywords: Networks
Optical Communications
DRNTU::Engineering::Electrical and electronic engineering
Issue Date: 2016
Source: Zhang, W., Zhang, C., & Chen, C. (2016). Chaos Based IQ Encryption for PAPR Reduction and Security Enhancement in OFDMA PON System. Procedia Engineering, 140, 30-35. doi : 10.1016/j.proeng.2015.09.234
Series/Report no.: Procedia Engineering
Abstract: This paper proposed a quadrature amplitude modulation (QAM) encryption technique in orthogonal frequency-division multiple access-based passive optical network (OFDMA-PON) systems. This scheme combines chaos based IQ-encryption with the SLM technique. The system can benefit of simultaneous low PAPR and high physical layer security. For IQ encrypting, the real (I) and imaginary (Q) parts of the QAM symbols are separately coded with key sequences, which are generated by a logistic map. A bank of OFDM symbol candidates is obtained by repeating this process. Then the candidate with the lowest PAPR is transmitted to the ONU sides. The iteration parameters of the mapping formula are set as the security keys, which are securely transmitted between OLT and ONUs. The research has utilized this method to successfully transmit 10 Gb/s 16QAM OFDM signal along 30 km standard single mode fiber (SSMF).
ISSN: 1877-7058
DOI: 10.1016/j.proeng.2015.09.234
Rights: © 2016 The Authors. Published by Elsevier Ltd. This is an open access article under the CC BY-NC-ND license ( Selection and/or peer-review under responsibility of the scientific committee of Symposium 2015 ICMAT
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:EEE Journal Articles

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