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Since, wireless sensor networks (WSNs) might differ depending on the application and network architecture. Moreover, nodes are dynamically deployed. Hence, data transmission through these types of nodes need a perfect route selection where nodes should remain active. So, routing is necessary for WSN.
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Are sensor networks and wireless sensor networks the same thing?
The difference is a sensor network may be connected using wires or wirelessly, a wireless sensor network is always connected wirelessly.
Define a wormhole attack in wireless sensor networks?
http://www.scribd.com/doc/3101991/Distributed-wormhole-attack-detection-in-wireless-sensor-networks
What is a wireless sensor?
A Wireless sensor network, according to UbiBot, is a collection of devices that can exchange data gathered from a monitored field using wireless networks. The data is routed across numerous nodes and connects to other networks via a gateway, such as wireless Ethernet.
Disadvantages wireless sensor networks?
One of the biggest disadvantages of large scale wireless sensor networks is the fact that they are vulnerable to unauthorized access. Also it relies on the complexity of logistics involving selective replacement of sensors.
What do wireless sensor networks monitor?
Wireless sensor networks are capable of measuring certain aspects of a physical environment. For example, there are sensors available the measure temperature, pressure, and more.
What collect data from many points over an extended space?
wireless sensor networks
What is infrastructureless network?
Probably the most quickly developing areas in wireless networks is wireless ad hoc networks. A wireless ad hoc network is an autonomous system consisting of nodes, which might can become mobile, connected with wireless links and without using pre-existing communication infrastructure or central control. Ad hoc networking is expected to play an important role in future wireless mobile networks because of the widespread use of mobile and hand-held devices. Mobile Ad hoc Networks (MANETs) and Wireless Sensor Networks (WSNs) are two prominent classes of these infrastructerless wireless networks. While MANETs exhibit dynamic topology changes due to free node mobility, WSNs have unreplinishible energy limitations. Hence, topology control, Quality of Service (QoS) routing, and power control become challenging issues.
Where can someone find images of wireless sensor networks?
There are a number of places where one can go to find images of wireless sensor networks, particularly online. There are a number of picture hosting websites, and most search pages, like Google, offer an image search.
What has the author E Cayirci written?
E. Cayirci has written: 'Security in wireless ad hoc and sensor networks' -- subject(s): Ad hoc networks (Computer networks), Security measures
Is 2.4GHz prone to attenuation in water?
yes, it will depend on physical characteristics of the water and strength of the signal. thus, a large antenna is required. read Prospects and Problems of Wireless Communication for Underwater Sensor Networks, Liu et al, 2008
Application of wireless sensor networks in precision agriculture?
To know the present climatic condition.useful in green house, water can be supplied to fields in accordance with neccesity
Definition of wireless sensor network in wikipedia?
Difference between wireless network and wireless sensor network?
