Wireless Mesh Networks: Technology and Definition

Currently, wireless networks offer a number of advantages, one is able to access internet on our PC from any point where we are, and always good when our computer has the necessary components in order to access this type of connection. But in the beginning this type of wireless infrastructure was costly, since we still were needed cables to connect computers (nodes) between them.
With mesh technology in the wireless network could eliminate this kind of disadvantage, as the inclusion of such technology can be installed quickly and easily. To operate, each node needs nothing but power.
The mesh technology using WiFi standards set in an innovative way. The set of nodes provides a WiFi coverage area, or an access point, an area in which the user can surf the internet without cables, using your laptop. The nodes are capable of establishing a connection between themselves regarding their coverage areas overlap, if multiple overlapping zones of coverage, but fail one or more nodes, the network is sustained and continues to operate. You probably not aware of this, because your computer will automatically connect to the next access point in the network.

MESH Technology
A wireless mesh network (WMN) is a radio communication network of nodes arranged in a mesh topology. The coverage area of the radio nodes working as a single network is sometimes called a mesh cloud. Access to this mesh cloud is dependent on the radio nodes working in harmony with one another to create a radio network. A mesh network is reliable and offers redundancy. When a node can no longer work, the remaining nodes can still communicate with each other directly or through one or more intermediate nodes.
A wireless mesh network can be viewed as a kind of ad hoc wireless network where all nodes are static and radio not the direct experience of mobility.

Network structure
Wireless mesh architecture is a first step towards providing high-bandwidth network through a coverage area. Architecture wireless mesh infrastructure is, in effect, a network router unless the wiring between the nodes. These are pairs of radio devices that do not have to be connected to a wired port traditional WLAN as access point (AP) do. Mesh architecture sustains signal strength by breaking long distances in a series of short jumps. Intermediate nodes not only boost the signal, but forwarding to make cooperative decisions based on their knowledge of the network, perform the routing. That may this architecture with a careful design to provide wide bandwidth, spectral efficiency and the economic advantage of the coverage area.

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Tags: Definition, Network, Technology, Wireless Mesh Networks

31.Mar.09 Network