Topology independent zigbee physical location identification system and method

Abstract

The invention discloses a topology-independent ZigBee physical location identification system and method, which shields the topological connection relationship of the network layer, separates the physical location from the topology, identifies the adjacent physical location of the device, and realizes mutual communication between adjacent nodes at the physical location The method solves the problem that it is difficult for adjacent nodes to realize directional data transmission in the prior art. The topology-independent ZigBee physical location identification system includes a central controller system and multiple ZigBee protocol devices. The method of setting location identification at the application layer does not change the original topology and self-organization mode, and does not affect ZigBee communication efficiency; equipment scalability Well, it is only processed at the software application layer, without additional hardware devices, and only needs to be set according to the label setting rules, which is easy to operate.

Description

technical field [0001] The invention belongs to the technical field of the embedded internet of things, and relates to a topology-independent ZigBee physical location identification system and method. Background technique [0002] With the development of Internet of Things technology, ZigBee protocol has been widely used in the field of Internet of Things as a low-cost, low-power, low-speed, short-distance and high-security wireless communication solution. In various applications of ZigBee, location information is an important part of sensor data information. [0003] Node localization is the key technology of wireless sensor network. In order to provide effective location information, randomly deployed sensor nodes must be able to determine their own location after deployment. Because wireless sensor networks have the characteristics of random deployment of nodes, network dynamics, limited node resources, and communication is easily disturbed by the external environment, ...

AI Technical Summary

Problems solved by technology

The above two address information can only represent the network identity of the node, and it is easy to change, so it is not suitable for marking the specific physical location

[0006] If each node is directly equipped with a GPS receiver, it will increase the cost, power consumption and size of the node, which does not meet the low-cost and low-power requirements of wireless sensor networks.

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