Final video interview – Carlos Del Valle for OPTIVA MEDIA

Carlos del Valle is an electrical engineer at OPTIVA MEDIA – an EPAM Company.

Below is a statement from him about the European project:

“Several VLC systems for indoor positioning of people and objects were developed. The proposed indoor positioning solution is innovative and practical after taking into account the difficulties and limitations of current RF geopositioning technologies. The developed systems offer an easy way to implement geolocation systems for indoor environments by integrating the proximity algorithm with VLC receivers based on Perovskite solar cells and energy harvesting. This approach has the potential to revolutionize the way of tracking goods and locating people and resources in closed places. This system could offer high efficiency and safety for different situations and applications. Specifically:

• The system for positioning people in indoor environments was proposed through the use of a bracelet that incorporates a Perovskite cell as a photodetector that receives the position sent by the VLC transmitters at . The autonomy of the bracelet is . It was used a Perovskite LED as a transmitter. The optical link reached a maximum distance of 10 cm. It is important to mention that there is no geopositioning system based on Perovskites at both sides of the optical link in the current state of the art.
• In the case of using commercial lamps as VLC transmitters. The optical link reached a maximum distance of .
• For the case of the IoT node that can have other environment sensors connected, commercial lamps were used, with the optical link reaching a maximum distance of . In the best environment, under a luminous flux of , the autonomy of the IoT node was improved by  through an intelligent energy storage strategy.
• The viability of the system was demonstrated due to its ability to locate people or resources in indoor and smart environments efficiently and accurately.”