Anti-Interception Communication System Based on an Optical Encoding/Decoding Technology

Yeteng Tan; Tao Pu; Jilin Zheng; Hua Zhou; Guorui Su

doi:10.3788/AOS202040.0906001

Acta Optica Sinica, Volume. 40, Issue 9, 0906001(2020)

Anti-Interception Communication System Based on an Optical Encoding/Decoding Technology

Yeteng Tan, Tao Pu^*, Jilin Zheng, Hua Zhou, and Guorui Su

Author Affiliations

Communications Engineering College, Army Engineering University of PLA, Nanjing, Jiangsu 210007, China

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Abstract Get PDF(in Chinese)

Figures & Tables(10)

Fig. 1. Diagram of anti-interception communication system based on OCDMA encoding/decoding technology

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Fig. 2. Encoding process of reconfigurable WH/TS encoder (0λ₁00λ₂000000λ₃00λ₄0)

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Fig. 3. Decoding process of reconfigurable WH/TS decoder (0λ₄00λ₃000000λ₂00λ₁0)

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Fig. 4. Simulation block diagram of anti-interception communication system based on optical encoding/decoding technology

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Fig. 5. Simulation architecture diagram of encoder/decoder (q=4)

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Fig. 6. Waveforms and eye diagrams of signals in anti-interception communication system

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Fig. 7. Relationship of the BER and the received optical power

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Table 1. For the case of q=4, part of wavelength-hopping/time-spreading (WH/TS) sequences and codes

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Table 1. For the case of q=4, part of wavelength-hopping/time-spreading (WH/TS) sequences and codes

WH/TS sequence	WH/TS code of encoder		WH/TS codes of decoder
00/01 10 11 01	Primary user	0λ₁00 00λ₂0 000λ₃ 0λ₄00	00λ₄0 λ₃000 0λ₂00 00λ₁0
	Interference user #1	00λ₁0 λ₂000 00λ₃0 0λ₄00
	Interference user #2	000λ₁ 0λ₂00 000λ₃ 00λ₄0
	Interference user #3	λ₁000 0λ₂00 λ₃000 000λ₄
	Interference user #4	0λ₁00 000λ₂ 0λ₃00 λ₄000
01/00 11 01 10	Primary user	λ₂000 000λ₃ 0λ₄00 0λ₁00	00λ₁0 00λ₄0 λ₃000 000λ₂
	Interference user #1	0λ₂00 0λ₃00 λ₄000 0λ₁00
	Interference user #2	00λ₂0 00λ₃0 0λ₄00 00λ₁0
	Interference user #3	000λ₂ 000λ₃ 00λ₄0 000λ₁
	Interference user #4	0λ₂00 00λ₃0 000λ₄λ₁000
10/10 00 11 11	Primary user	00λ₃0 λ₄000 000λ₁ 000λ₂	λ₂000 λ₁000 000λ₄ 0λ₃00
	Interference user #1	000λ₃ 00λ₄0 00λ₁0 000λ₂
	Interference user #2	λ₃000 000λ₄ 000λ₁λ₂000
	Interference user #3	0λ₃00 λ₄000 λ₁000 0λ₂00
	Interference user #4	00λ₃0 0λ₄00 0λ₁00 00λ₂0
11/11 10 01 10	Primary user	000λ₄ 00λ₁0 0λ₂00 00λ₃0	0λ₃00 00λ₂0 0λ₁00 λ₄000
	Interference user #1	λ₄000 λ₁000 λ₂000 00λ₃0
	Interference user #2	0λ₄00 0λ₁00 0λ₂00 000λ₃
	Interference user #3	00λ₄0 00λ₁0 00λ₂0 λ₃000
	Interference user #4	000λ₄ 000λ₁ 000λ₂ 0λ₃00

Table 2. Specific simulation parameters

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Table 2. Specific simulation parameters

Parameter	Value	Parameter	Value
Bit rate /(Gbit·s^-1)	2.5	Attenuation coefficient /(dB·km^-1)	0.2
Input optical power /dBm	0	Transmission distance /km	100
Wavelength range /nm	1549.3~1550.8	Dispersion coefficient of SMF /(ps·nm^-1·km^-1)	16
Wavelength space /nm	0.1	Dispersion coefficient of DCF /(ps·nm^-1·km^-1)	-80
Gain of EDFA /dB	20	Responsivity of receiver /(A·W^-1)	1
Noise index of EDFA /dB	4	Spectral density of thermal noise /(10^-23 W·Hz^-1)	5

Table 3. Wavelength-hopping/time-spreading(WH/TS) codes used by each user in the simulation

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Table 3. Wavelength-hopping/time-spreading(WH/TS) codes used by each user in the simulation

User name	Wavelength-hopping/time-spreading (WH/TS) code
Primary user	λ₁000000000000000 0λ₂00000000000000 00λ₃0000000000000 000λ₄000000000000 0000λ₅00000000000 00000λ₆0000000000 000000λ₇000000000 0000000λ₈00000000 00000000λ₉0000000 000000000λ₁₀000000 0000000000λ₁₁00000 00000000000λ₁₂0000 000000000000λ₁₃000 0000000000000λ₁₄00 00000000000000λ₁₅0 000000000000000λ₁₆
Interference user #1	λ₁000000000000000 00λ₂0000000000000 0000λ₃00000000000 000000λ₄000000000 00000000λ₅0000000 0000000000λ₆00000 000000000000λ₇000 00000000000000λ₈0 λ₉000000000000000 00λ₁₀0000000000000 0000λ₁₁00000000000 000000λ₁₂000000000 00000000λ₁₃0000000 0000000000λ₁₄00000 000000000000λ₁₅000 00000000000000λ₁₆0
Interference user #2	0000000λ₁00000000 000000000λ₂000000 00000000000λ₃0000 0000000000000λ₄00 λ₅000000000000000 00λ₆0000000000000 0000λ₇00000000000 000000λ₈000000000 00000000λ₉0000000 0000000000λ₁₀00000 000000000000λ₁₁000 0000000000000λ₁₂00 λ₁₃000000000000000 00λ₁₄0000000000000 0000λ₁₅00000000000 000000λ₁₆000000000
Legitimate receiver	λ₁₆000000000000000 0λ₁₅00000000000000 00λ₁₄0000000000000 0000λ₁₃00000000000 0000λ₁₂00000000000 00000λ₁₁0000000000 000000λ₁₀000000000 0000000λ₉00000000 00000000λ₈0000000 000000000λ₇000000 0000000000λ₆00000 00000000000λ₅0000 000000000000λ₄000 0000000000000λ₃00 00000000000000λ₂0 000000000000000λ₁
Eavesdropper	λ₁₁000000000000000 λ₁₂000000000000000 λ₁₃000000000000000 λ₁₄000000000000000 λ₁₅000000000000000 λ₁₆000000000000000 λ₁000000000000000 λ₂000000000000000 λ₃000000000000000 λ₄000000000000000 λ₅000000000000000 λ₆000000000000000 λ₇000000000000000 λ₈000000000000000 λ₉000000000000000 λ₁₀000000000000000

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Yeteng Tan, Tao Pu, Jilin Zheng, Hua Zhou, Guorui Su. Anti-Interception Communication System Based on an Optical Encoding/Decoding Technology[J]. Acta Optica Sinica, 2020, 40(9): 0906001

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Paper Information

Category: Fiber Optics and Optical Communications

Received: Nov. 27, 2019

Accepted: Jan. 17, 2020

Published Online: May. 6, 2020

The Author Email: Tao Pu (nj_putao@163.com)

DOI:10.3788/AOS202040.0906001

Topics

laser devices and laser physics

Lasers and Laser Optics

Laser physics

laser manufacturing

Instrumentation, Measurement and Metrology