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Research on Sensor Deployment and Coalition-based Structure Initialization for WSN

Author: LiDun
Tutor: XiaNa
School: Hefei University of Technology
Course: Communication and Information System
Keywords: Wireless sensor networks Node layout Event-driven Alliance Initialization Discrete Particle Swarm Optimization
CLC: TN929.5
Type: Master's thesis
Year: 2010
Downloads: 57
Quote: 1
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Abstract


Node deploying wireless sensor networks ( Wireless Sensor Network WSN ) is a basic question , the effective coverage of the monitoring area , but also the first link of the network initialization . Node layout is good or bad relationship to the resources of the network configuration, directly determines the perception of sensor network environment , access to information and the effective transmission of effects , thereby affecting the quality of service of the sensor network . After the completion of the node layout node manner in which organizations together to work together , the network normal work previously required to solve a problem . This article is based on two aspects , expand . The main content of the thesis research and innovation : (1) a balanced network coverage and connectivity event-driven node layout scheme . The node layout nodes are deployed in the field , based on event-driven emerging research topic , which is based on events in the network -oriented , designed to achieve effective coverage of the node of the event , and node layout reflects the density difference of the event . The existing self-organizing map ( Self Organizing Maps , SOM ) method, although having a higher coverage of the event , but in some cases will still appear a part of the node to be excluded , the event can not be covered in the event area outside . In addition , the the SOM method does not consider the node connectivity problems . This article is designed to address the problem applies to a wider range and take into account the network coverage and connectivity node layout scheme . The simulation results show the effectiveness of the program . (2) design a discrete particle swarm network - based coalition structure generation algorithm. After completion of the network nodes arranged , the network topology design is an important issue. \The coalition structure generation is one of the key issues of the research in this field . Based on Discrete Particle Swarm Optimization algorithm for the generation of the coalition structure , design the corresponding algorithm , simulation results verify the effectiveness of the algorithm . These two aspects of the work , to build a wireless sensor network initialization method .

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