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.
A wireless sensor network monitors a number of conditions. They are used to monitor temperature, pressure and sound. They are used in surveillance and industry.
The difference is a sensor network may be connected using wires or wirelessly, a wireless sensor network is always connected wirelessly.
http://www.scribd.com/doc/3101991/Distributed-wormhole-attack-detection-in-wireless-sensor-networks
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.
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.
The purpose of a wireless network sensor is to monitor environmental changes. It monitors things such as temperature, sound and pressure.
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.
E. Cayirci has written: 'Security in wireless ad hoc and sensor networks' -- subject(s): Ad hoc networks (Computer networks), Security measures
wireless networks accesible from your mobile phone
Rob Flickenger has written: 'WIRELESS' 'Wireless' 'Building wireless community networks' -- subject(s): Local area networks (Computer networks), Metropolitan area networks (Computer networks), Standards, Wireless communication systems
Wired networks have a wire that connects them to an internet port, wireLESS networks do not.
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.