Non-line-of-sight optical wireless sensor network operating in multiscattering channel

Area of Science:

• Optical Wireless Communication
• Sensor Networks
• Atmospheric Optics

Background:

• Sensor networks are crucial for data gathering in civilian and military applications.
• Optical communication offers advantages like small hardware and low power consumption for sensor networks.
• Atmospheric light backscattering presents a unique communication channel.

Purpose of the Study:

• To derive a mathematical model for a non-line-of-sight (NLOS) optical wireless sensor network.
• To evaluate the feasibility and limitations of internode links in such a network.
• To explore the use of solar-blind ultraviolet wavelengths for enhanced communication.

Main Methods:

• Development of a mathematical model for an NLOS optical wireless sensor network.
• Analysis of light backscattering in the solar-blind ultraviolet spectrum.
• Evaluation of internode link viability and limitations.

Main Results:

• A simple, low-cost mathematical model for NLOS optical wireless sensor networks was derived.
• The solar-blind ultraviolet spectral range offers significant advantages due to particle scattering and minimal solar interference.
• The proposed internode link design is viable for miniature operational sensor networks.

Conclusions:

• Optical wireless sensor networks operating in the solar-blind ultraviolet range are feasible.
• The mathematical model provides a foundation for designing and optimizing these networks.
• This technology facilitates the development of miniature, ad hoc sensor networks for diverse applications.