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Wireless sensor network emulator facing mobile node data transmission

A wireless sensor and mobile node technology, applied in data exchange network, digital transmission system, network planning and other directions, can solve the problem of high development cost, and achieve the effect of simple, concise and convenient configuration

Inactive Publication Date: 2012-02-15
SOUTHEAST UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0010] Technical problem: Since the currently commonly used network emulators do not have good support for wireless sensor networks, especially wireless sensor networks that use mobile nodes for data collection, directly use existing network simulation software for data collection using mobile nodes The development cost is often too high to simulate the wireless sensor network

Method used

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  • Wireless sensor network emulator facing mobile node data transmission
  • Wireless sensor network emulator facing mobile node data transmission
  • Wireless sensor network emulator facing mobile node data transmission

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Embodiment Construction

[0065] In order to improve the simulation efficiency of the simulator, the embodiment of the present invention is based on the idea of ​​a discrete event simulation model. The so-called discrete event-driven model system refers to a class of systems whose activities and state changes only occur at discrete time points. The state of this type of system is only related to discrete time points, and the system state changes only when events occur at discrete time points. The important feature is that the state of the simulated system presents discrete changes. In discrete simulation, event is an extremely important concept, and event is the fact that causes discrete changes in the state of the system. The time point at which the event occurs becomes the event time point. It is reasonable to use the discrete event-driven model to simulate the network system, because the state of the network system generally only changes with the occurrence of discrete events such as the arrival o...

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Abstract

When present network simulation software carries out mobile wireless sensor node data transmission simulation, support of mobile node pertinence is lacked, in simulation design, mobile route description of a mobile node is difficult, a simulation code compiling amount is large, and result output is tedious. Therefore, the invention provides a wireless sensor network emulator facing mobile node data transmission, and the wireless sensor network emulator supports the mobile node. An emulator reads a script to carry out initialization at an initialization phase; a system adds an initialization event to an event queue to promote whole simulation; a scheduler reads an event at a head part of an event queue, and delivers the event to a related event processing program for processing; in a scheduler operation period, according to time generated by a node model and an energy consumption model, the emulator carries out simulation on node sending and receiving messages, a mobile behavior of the mobile node and energy consumption of the node, and according to a type of a processing event, formats corresponding event information and outputs the information to a tracking file. When simulation is finished, running condition of a network is outputted.

Description

technical field [0001] The application of the present invention relates to network emulation software for data transmission in wireless sensor networks, in particular to a wireless sensor network emulator supporting data transmission (collection) of mobile nodes. The invention helps to more accurately simulate the wireless sensor network using the mobile node for data collection. It satisfies the needs of researchers who need to simulate and test various performance indicators of mobile node data acquisition schemes / strategies when studying wireless sensor networks, and solves the lack of support for the mobility of mobile nodes in existing network simulation software and the research The problem of large workload of personnel simulation development, so that researchers can objectively and intuitively evaluate different acquisition strategies, belongs to the field of network communication technology. Background technique [0002] The routing algorithm used in traditional wi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W16/22H04W84/18H04L12/24H04L12/56
Inventor 陶军陈文强刘智杰柳津
Owner SOUTHEAST UNIV
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