I am quite new in this field and please pardon me if there is any conceptual mistake in the question.
Yes, Wireless Sensor Network may single or multiple: First Node Death (FND), Multi-Hop Communication, Energy Efficient,Gateway Nodes. A sensor node is comprised of three components: a sensor, a processor and a wireless communication device. These sensor nodes dispersed throughout it to monitor, collect, and transmit data. The sensors are inexpensive, simple, and their power source is irreplaceable. Knowing the sensors power levels cannot be restored, many protocols have been developed to make collecting, receiving and transferring data more energy efficient. Please refer to International Journal of Wireless & Mobile Networks (IJWMN) Vol. 4, No. 4, August 2012
Yes, Wireless sensor networks have potential to monitor environments for both military and civil applications. Due to inhospitable conditions these sensors are not always deployed uniformly ion the area of interest. Since sensors are generally constrained in on-board energy supply, efficient management of the network is crucial to extend the life of the sensors. Sensors' energy cannot support long haul communication to reach a remote command site and thus requires many levels of hops or a gateway to forward the data on behalf of the sensor. In this paper, we propose an algorithm to network these sensors in to well define clusters with less energy-constrained gateway nodes acting as cluster-heads, and balance load among these gateways.
Refer these links.
airccse.org/journal/jwmn/0812wmn12.pdf
https://core.ac.uk/download/pdf/6300.pdf
We implemented the multiple gateways or border routers in 6LowPAN network, which is organized like a virtual tree topology. I think the clustered WSN can also use this scheme. The multiple gateways or border routers have the advantages in assignment for large area and load sharing among different gateways. However, the routes in IP network or WAN, and the routes inside WSN should be considered carefully.
Hi Prof Lin Zheng, do you have any research paper or any other research material regarding your work. It will be great sir if u please provide me with one.
Yes it can have multiple gateway depending on your design and the type of application. You can have a single or multiple base stations.
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