Wireless data for grids, what is grids? What is a wireless mesh network?

Grid is a network computing mode that has nothing to do with wireless grids, right?

A mesh network is a peer-to-peer, or peer-to-peer system, that is, a network of nodes with repeated referencing capabilities. Each node receives and transmits data to its neighbors, just like a router. Through relay processing, the data packet uses a reliable communication link to pass through the intermediate nodes to reach the designated destination.

Similar to the Internet and other point-to-point routing networks, mesh networks have multiple redundant communication paths. If one path is interrupted for any reason, including RF interference, the mesh will automatically choose another path to maintain normal communication. In general, the mesh automatically selects the shortest path, improving the quality of the connection.

As a matter of practice, if the distance is reduced by a factor of two, the signal strength at the receiving end is increased by a factor of four, making the link more reliable and not increasing the node transmit power. In a mesh network, as long as the number of nodes is increased, the reachability can be increased, or more reliability can be brought by the addition of redundant links. Today's mesh wireless LANs primarily use standards-based as well as Zigbee RF technology.

Industry heavyweights, such as Cisco and Intel, have confirmed that mesh technology is the next logical extension of today's wireless communications. The use of mesh can help organizations quickly set up new wireless networks or extend existing WLANs without the need for wired base stations. Because they can choose the best path for data transfer.

In addition, industrial users can quickly establish a network of sensors and controllers with embedded wireless grids for industrial management and transportation management. As a hot spot in the field of wireless communication, grid technology has obvious advantages.

Wireless mesh network, which is a wireless multi-hop network, is developed from ad hoc network and is one of the key technologies to solve the "last mile" problem.

Wireless mesh network refers to a large number of terminals connected wirelessly into a mesh structure, and each node exchanges fiber data through routing, which is a kind of multi-level hop point with vertical backup system that cultivates and destroys low power.

The initial construction cost of wireless mesh network is low. Wireless mesh networks have the advantages of scalability, easy expansion, automatic configuration, and a wide range of applications.