Digital Signature Approach for Energy Efficient Protocol Using Gateway Nodes in WSN

Wireless sensor network contains many heterogeneous or homogeneous tiny sensor devices with limited power resource. The main objective of this sensing device is to collect or gather information from the human unreachable area and deliver the data to the nearest base station. Such devices contain three main components: a sensor, a processor and a wireless communication device. The main focusing area of these devices is to maintain their energy as well as providing security to ensure communication between two nodes. Knowing that the sensor power source is not replaceable, many protocols have been introduced to provide efficient way to sustain the energy.

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