Abstract
With the evolution of technology search and rescue operations are now been executed with the help of mobile robots. Wired mobile robot deployment is very cumbersome and constrained. Thus, the need arises for appropriate wireless technology that may support the same or even better functionality. ZigBee is gaining popularity as supporting technology to facilitate the working of mobile robots for search and rescue operations. This is because ZigBee based nodes utilize the industrial, scientific, and medical frequency band that supports a data rate up to 250 kbps. This paper presents a packet forwarding mechanism for ZigBee based mobile wireless sensor network nodes. The results achieved through the reported work shows that the packet loss rate comes around to be 2 percent resulting in a 98 percent successful packet reception at the receiver end.
Highlights
Wireless sensor network (WSN) is a collection of sensor nodes capable of sensing physical parameters, temperature, motion and sound [1]
WSN is constituted of many sensor nodes; numbers may vary depending upon the target applications from hundreds to thousands
This paper presents a simple solution to reduce information packet loss percentage making work reported unique
Summary
Wireless sensor network (WSN) is a collection of sensor nodes capable of sensing physical parameters, temperature, motion and sound [1]. Sensor nodes are tailored with a suitable communication mechanism. Sensor nodes are constrained in their working by a limited amount of on-board processing capabilities, available memory, battery life and communication range [1]. With the advancement in technology, search and rescue (SAR) operations after a natural calamity, like an earthquake, blizzard and avalanche are being facilitated and even completely carried out by mobile robots. The reason for its popularity are the availability of low-cost transceivers, data rates of up to 250 kbps, available channel bandwidth of 5 MHz, and support for wireless communication from 10 meters to 75 meters range [3]
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