CAJ | 학술논문

针对无线传感网络定位易受环境影响，定位精度不高的问题，提出了一种排除障碍物影响的改进定位算法。系统主要采用加权质心定位算法进行定位，并在此基础上通过设置阈值和剔除受障碍物影响的参考节点的方法，提高了定位的精度，并且加强了算法对复杂环境的自适应性。仿真实验结果表明，改进后的算法受障碍物的影响较小，提高了复杂环境下的定位精度。
침대무선전감망락정위역수배경영향，정위정도불고적문제，제출료일충배제장애물영향적개진정위산법。계통주요채용가권질심정위산법진행정위，병재차기출상통과설치역치화척제수장애물영향적삼고절점적방법，제고료정위적정도，병차가강료산법대복잡배경적자괄응성。방진실험결과표명，개진후적산법수장애물적영향교소，제고료복잡배경하적정위정도。
The localization based on wireless sensor network is easily affected by environment and resulted in low accuracy. An improved localization algorithm was put forward.The system mainly used the weighted centroid localization algorithm to lo-cate, and on this basis, the precision of localization was raised, and the algorithm's adaptability to the environment was strength-ened by setting the threshold and eliminating the reference nodes which was affected by the obstacles.The results obtained from simulation and experiments show that the improved algorithm is hard to be affected by obstacles.The precision of localization in complex environment is improved.