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Simulation method and device for topotactic transformation of wireless sensing network

A technology of wireless sensor network and topology change, applied in the field of mobile communication, can solve the problems of ignoring the spatial and temporal differences of wireless sensor network topology evolution, evolution rules, spatial heterogeneity, and evolution rate spatial differences.

Inactive Publication Date: 2013-08-14
MAIPU COMM TECH CO LTD
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Problems solved by technology

[0004] The existing cellular automata models used to study wireless sensor networks evolve with uniform transition rules and the same evolution rate, ignoring the temporal and spatial differences of wireless sensor network topology evolution, the spatial heterogeneity of evolution laws and Spatial differences in evolution rates

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  • Simulation method and device for topotactic transformation of wireless sensing network
  • Simulation method and device for topotactic transformation of wireless sensing network
  • Simulation method and device for topotactic transformation of wireless sensing network

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Embodiment Construction

[0030] Aiming at the problem of adopting unified conversion rules and the same evolution rate in the existing wireless sensor network cellular automata model, the present invention proposes a partitioned asynchronous cellular automata model based on spatial data mining, and adopts cluster analysis method to analyze The cell space is partitioned, and the unified transformation rule is replaced by the partition transformation rule, and the asynchronous cell evolution rate is obtained by using the standard grid division method.

[0031] In order to better understand the embodiments of the present invention, some terms are explained first:

[0032] (1) Two-dimensional cellular automata: Two-dimensional cellular automaton is a discrete dynamical system, which includes L×L independent objects arranged in a two-dimensional cellular space, and the independent objects are called cells . Each cell is assigned a state, which changes with time according to certain transition rules, and t...

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Abstract

The invention provides a simulation method for topotactic transformation of a wireless sensing network, wherein generalized Euclidean distance between two sensor nodes is taken as cluster statistic, cluster analysis is performed on wireless sensing network topotactic transformation and impact factors influencing the wireless sensing network topotactic transformation so as to obtain a clustering result, each cluster in the clustering result corresponds to one subzone of one cellular space, zonal switching rules are used for replacing uniform switching rules, and a standard grid partitioning method is adopted for obtaining an asynchronous cellular evolutionary rate. Therefore, space-time difference, spatial heterogeneity of evolution laws and spatial differentiation of evolutionary rate are considered during a wireless sensing network topotactic transformation process.

Description

technical field [0001] The invention relates to the technical field of mobile communication, in particular to a topology change simulation method of a wireless sensor network. Background technique [0002] Such as figure 1 As shown, Wireless Sensor Networks (WSNs, Wireless Sensor Networks) are composed of a large number of distributed tiny sensor nodes. Each node has limited transmit power and coverage, and can only communicate with neighboring nodes within its coverage. In a wireless sensor network, due to the random movement of nodes, the power-on and power-off of nodes at any time, the change of transmission power, the mutual interference between wireless channels, and the terrain, the network topology formed by wireless channels between nodes is always Changes are possible and the manner and speed of change are unpredictable. The topology evolution problem highlights the self-organizing characteristics of wireless sensor networks: each sensor node controls its own sta...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W84/18H04W16/22
Inventor 于秦肖志辉王英陆自强
Owner MAIPU COMM TECH CO LTD
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