Internet Of Things Node Information Transmission Model Research And Design

Wireless sensor networks has become a very important research direction of the current domestic and foreign communications in the field of wireless networks; the wireless sensor network is composed of many sensor nodes are linked to each other according to a certain way of communicating with each other to complete a variety of special monitoring and control tasks cooperation The intelligent network system.This article is designed and implemented a set of expected results in the upper monitoring center, can be displayed in a graphic way of things each node of the state of the information transmission system.Including displays the current structure of the visual identity of things, and each node, the energy, the state, the node distance from the control center, and so assume the task. So this wireless sensor network protocol stack sensor nodes and simulation tools for the analysis of the system, the wireless sensor network modeling method OPNET, OPNET simulation model to achieve the sensor nodes and network simulation were studied. Mainly to do work includes:(1) understanding Modeling realization of OPNET modeling and WSN sensor nodes. (2) study the sensor node stack OPNET modeling methods, including four application layer, MAC layer, network layer and physical layer. OPNET modeling to determine the application layer with the tracking algorithm and model development process, according to the radio communication pipeline mechanism IEEE802.11 MAC protocol and physical layer to determine how to use the MAC process and transmit/receive unit; at the network layer based on target tracking application DD routing algorithm for improvement, and the OPNET modeling the network layer. (3) The proposed process is set by the user to the network topology properties and to study the topology of OPNET modeling process structure.