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Optical Engineering

Modulation method for infrared communication based on a MEMS Planck infrared source
Author(s): Hongjing Wei; Li Ma; Guofeng Sun; Jun Jia
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Paper Abstract

Infrared communication in the near ground free space has both military and civilian potential. To meet the requirements of infrared communication based on a micro-electro-mechanical system Planck infrared source/radiator, we propose a modulation method with large code information content, strong confidentiality, and a high recognition rate. With the characteristics of mid-infrared light, a long-range and anti-EMI wireless communication system is available. The information code is loaded on the carrier signal generated by the infrared source with specific frequency. Taking a 3×3 array system for an instance in our work, the design principle and implementation procedure of encoding and modulation is discussed. The total information content of the optical dynamic code is 1.5 kbytes. The communication system could transmit data in the bound rate of 900  bit/s with a photoelectric code recognition rate of 96.4% and an effective information content of 190 bytes.

Paper Details

Date Published: 18 December 2012
PDF: 5 pages
Opt. Eng. 51(12) 126402 doi: 10.1117/1.OE.51.12.126402
Published in: Optical Engineering Volume 51, Issue 12
Show Author Affiliations
Hongjing Wei, China Mobile Group Shanxi Co., Ltd. (China)
Li Ma, China Mobile Group Shanxi Co., Ltd. (China)
Guofeng Sun, China Mobile Group Shanxi Co., Ltd. (China)
Jun Jia, China Mobile Group Shanxi Co., Ltd. (China)

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