Performance measurement of laser communication prototype in free space for water dam using ATmega328 and comparison with ZigBee technology

摘要

Considering increased demands of the RF channels makes major hurdle in developing new wireless technologies. The existing systems like Bluetooth, IR, Wi-Fi, microwave, ZigBee, etc. are unable to fulfill all the requirements of communications links between devices. It has been shown that now we have to move towards the unused RF spectrum-i.e. Visible Light. Laser communication is one of the types of establishing network using visible light with the help of laser beam. In this paper we describe the development and experimental demonstration of a real-time, low-cost, laser communication system based on ATmega328 microcontroller for water dam module. The proposed system is composed of float and motion sensors to track the information about water levels and earthquakes in water dam. Automation is also provided for better results of monitoring. From the experimental working of system it is demonstrated that the proposed system can monitor water level and informs in earthquake like disaster with higher data transmission speeds. In this paper part I and II describes the introduction and related work of laser communication technology, part III and IV describes proposed model and its working, and also its comparison with ZigBee technology. Part V and VI state the applications and conclusion of the laser technology.