Node state-based multidimensional wireless sensor network capacity calculation method

A wireless sensor network and node state technology, applied in the field of wireless sensor network capacity measurement, can solve the problems of calculating wireless network capacity, topology changes, etc.

Active Publication Date: 2014-09-10
合肥斯卓信息技术有限公司
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Problems solved by technology

However, due to the particularity of the wireless network (variable topology, multipath fading effects, etc.), the throughput of the wireless ne

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  • Node state-based multidimensional wireless sensor network capacity calculation method
  • Node state-based multidimensional wireless sensor network capacity calculation method
  • Node state-based multidimensional wireless sensor network capacity calculation method

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Embodiment Construction

[0055] The present invention will be further described below.

[0056] A method for calculating the capacity of a multi-dimensional wireless sensor network based on node status, which defines the time when the first node in the network exits the network due to energy consumption as the wireless network lifetime. For this reason, the present invention introduces a network first-order energy consumption model to analyze the energy consumption status of nodes in the network. In the network, the energy consumption of a node when sending information includes two parts: the energy consumption of the transmitting circuit and the energy consumption of the amplifying circuit; the energy consumption of a node when receiving information only considers the energy consumption of the receiving circuit. The remaining energy of each node in the network changes all the time. Assume that at the initial moment of the network, the energy of each node is the same as a constant value E 0 . Then,...

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Abstract

The invention provides a node state-based multidimensional wireless sensor network capacity calculation method. The maximal information quantity transmitted in the wireless sensor network survival time is defined to be the network capacity, a network channel signal-to-noise ratio model, a network node energy consumption model, a network survival time calculation model and a graph theory model are provided, and a multidimensional network capacity calculation model based on the signal-to-noise ratio and the network survival time is built. Grover algorithm is used for carrying out optimal control to enable the multidimensional network capacity calculation model to approach the upper limit of the network capacity, and the multidimensional wireless sensor network capacity is obtained. According to the node state-based multidimensional wireless sensor network capacity calculation method provided by the invention, two-dimensional information of the signal-to-noise ratio and the network survival time is comprehensively considered.

Description

technical field [0001] The invention belongs to the field of wireless sensor networks, in particular to a method for measuring and calculating the capacity of wireless sensor networks. Background technique [0002] The wireless sensor network composed of a large number of sensor nodes in a multi-hop self-organizing manner has the advantages of flexible networking and not being constrained by wired devices. It is widely used in practical applications such as emergency search and rescue, military exercises and medical treatment, and has attracted industry attention. The world attaches great importance to it, and gradually develops into the most promising technology in the 21st century. Among them, how to calculate the overall channel characteristics of the wireless sensor network and the maximum information flow that can be supported under the transmission protocol is the problem of the network capacity of the wireless network, and it is also a hot spot in the research and des...

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Application Information

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IPC IPC(8): H04W16/22H04W84/18
Inventor 周凯蒋维孟利民
Owner 合肥斯卓信息技术有限公司
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