Redeployment Moving Algorithm for Enhancing Communication Quality in Mobile Wireless Sensor Networks
| Autor: | Ko-Hsin Tsai, 蔡克欣 |
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| Rok vydání: | 2007 |
| Druh dokumentu: | 學位論文 ; thesis |
| Popis: | 95 A mobile wireless sensor network (MWSN) is the combination of a large number of mobile sensor nodes and a wireless network. An effective coordination of communicaiton, sensing and moving is an important issue in an MWSN. When a MWSN is processing a moritoring task, it is assumed that every node transmit the sensing data to a base station in the same rate. Then, the network will easily make a congestion problem at the node routing for larger data. In addtion, if there is a event occurred at some specialized area, the usage of whole network will be largely decrease. This problem may can be overcame by the adjustment of network architecture or protocol, but the effect is limited. This paper proposes a distributed moving algorithm for redeploying these mobile sensor nodes. The functional goal of this algorithm is to adaptively allocate the channel capacity based on the amount of the sensing rate at each node, as well as to dynamically spread these nodes for increasing the coverage area and related utility. A simulation platform using MATLAB is also presented, and related statistical results including mean, standard deviation, coverage and convergence are used to illustrate the performance of the proposed algorithm. |
| Databáze: | Networked Digital Library of Theses & Dissertations |
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