Secure orthogonal time-frequency multiplexing with two-dimensional encryption for optical-wireless communications

Jie Zhong; Ji Zhou; Shecheng Gao; Weiping Liu

doi:10.3788/COL202119.050603

Chinese Optics Letters, Volume. 19, Issue 5, 050603(2021)

Secure orthogonal time-frequency multiplexing with two-dimensional encryption for optical-wireless communications

Jie Zhong¹, Ji Zhou^2、*, Shecheng Gao², and Weiping Liu²

Author Affiliations

¹School of Electronics and Information Technology, Sun Yat-sen University, Guangzhou 510006, China

²Department of Electronic Engineering, College of Information Science and Technology, Jinan University, Guangzhou 510632, China

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Fig. 1. Block diagram of secure DCO-OTFM system for OWC. E/O, electro/optic; O/E, optic/electro.

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Fig. 2. Performance of BER versus SNR for deciphered signals with different keys through CB channel; w/o, without. (a) BER and decoded constellations for 4QAM signals. (b) BER and decoded constellations for 16QAM signals.

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Table 1. All Possible Periodicity Values T_Ar for Different M, with N = 16, q = 1 and a, b as the Arbitrary Integers
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Table 1. All Possible Periodicity Values T_Ar for Different M, with N = 16, q = 1 and a, b as the Arbitrary Integers
Periodicity Value
M = 256 256 192 128 96 64 48
32 24 16 12 8
6 4 3 2 1
M = 512 512 384 256 192 128 96
64 48 32 24 16 12
8 6 4 3 2 1

Table 2. Values of T_Ar Depend on Different b, with M = 256, N = 16, q = 1, and a = 1
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Table 2. Values of T_Ar Depend on Different b, with M = 256, N = 16, q = 1, and a = 1
b 1 2 3 4 5
T_Ar 192 128 192 256 96
b 6 7 8 9 10
T_Ar 64 96 256 192 128
b 41 42 43 44 45
T_Ar 192 128 192 256 48
b 46 47 48 49 50
T_Ar 32 48 256 192 128
b 297 298 299 300 301
T_Ar 192 128 192 256 48
b 302 303 304 305 306
T_Ar 32 48 256 192 128

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Jie Zhong, Ji Zhou, Shecheng Gao, Weiping Liu, "Secure orthogonal time-frequency multiplexing with two-dimensional encryption for optical-wireless communications," Chin. Opt. Lett. 19, 050603 (2021)

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Paper Information

Category: Fiber Optics and Optical Communications

Received: Oct. 9, 2020

Accepted: Nov. 8, 2020

Published Online: Feb. 25, 2021

The Author Email: Ji Zhou (zhouji@jnu.edu.cn)

DOI:10.3788/COL202119.050603

Topics

laser devices and laser physics

Lasers and Laser Optics

Laser physics

laser manufacturing

Instrumentation, Measurement and Metrology

Table 1. All Possible Periodicity Values TAr for Different M, with N = 16, q = 1 and a, b as the Arbitrary Integers

Table 1. All Possible Periodicity Values TAr for Different M, with N = 16, q = 1 and a, b as the Arbitrary Integers

Table 2. Values of TAr Depend on Different b, with M = 256, N = 16, q = 1, and a = 1

Table 2. Values of TAr Depend on Different b, with M = 256, N = 16, q = 1, and a = 1

Table 1. All Possible Periodicity Values T_Ar for Different M, with N = 16, q = 1 and a, b as the Arbitrary Integers

Table 1. All Possible Periodicity Values T_Ar for Different M, with N = 16, q = 1 and a, b as the Arbitrary Integers

Table 2. Values of T_Ar Depend on Different b, with M = 256, N = 16, q = 1, and a = 1

Table 2. Values of T_Ar Depend on Different b, with M = 256, N = 16, q = 1, and a = 1