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"Long Range and Self Powered IoT Device for Agriculture Based on Multi-hop Topology", International Journal of Emerging Technologies and Innovative Research (www.jetir.org), ISSN:2349-5162, Vol.8, Issue 1, page no.464-473, January-2021, Available :http://www.jetir.org/papers/JETIR2101062.pdf

• Anchla Rajput
• Mr. Anshul Sarawagi

The Internet of Things (IoT) refers to electronic device communications, one of them is the wireless sensor network (WSN). Battery life is the main challenge for WSN. Battery life refers to the maximum time until one node not work. This article presents the prototype design and testing of a self-powered IoT devices for use in precision agriculture. This study proposed to increase the battery life of WSN by applying solar energy harvesting technology. The system consists of several nodes equipped with solar cell and energy harvester. The system uses sleep mode with certain active intervals to save power. The custom multi-hop protocol provides energy efficient communication from any device in a wireless sensor network. The sensor data is transmitted to a gateway, which then forwards it to a local server or cloud service, where the data can be analyzed to optimize the production in agriculture. The preferred topologies and protocols in multi-hop WSNs have a significant impact on energy consumption. In this paper, experimental validation of the self-powered WSN for indoor monitoring proposed on multi-hop topology. The choice of solar cell type, microcontroller, and sensor are the main factors for device development. The harvested energy must be above the WSN energy requirements.

Multi-hop WSN, Topology, Wireless sensor networks, IoT, energy harvesting, self-powered IoT, star topology and multi-hop topology.

"Long Range and Self Powered IoT Device for Agriculture Based on Multi-hop Topology", International Journal of Emerging Technologies and Innovative Research (www.jetir.org | UGC and issn Approved), ISSN:2349-5162, Vol.8, Issue 1, page no. pp464-473, January-2021, Available at : http://www.jetir.org/papers/JETIR2101062.pdf