吉林大学学报(工学版) ›› 2015, Vol. 45 ›› Issue (5): 1680-1687.doi: 10.13229/j.cnki.jdxbgxb201505043

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基于混合基站策略的传感器网络移动数据收集算法

刘逵1, 2, 刘三阳2   

  1. 1.河南师范大学 数学与信息科学学院,河南 新乡 453002;
    2.西安电子科技大学 数学与统计学院,西安 710071
  • 收稿日期:2013-12-30 出版日期:2015-09-01 发布日期:2015-09-01
  • 作者简介:刘逵(1980-),男,副教授,博士.研究方向:物联网优化及其应用.E-mail:liukui_1980@163.com
  • 基金资助:
    国家自然科学基金项目(71271165,61373174); 河南省软科学研究计划项目(132400410516); 河南师范大学博士科研启动课题项目(qd14137)

Mobile data collecting algorithm based on mixed sink strategy in WSNs

LIU Kui1, 2, LIU San-yang2   

  1. 1.College of Mathematics and Information Science, Henan Normal University, Xinxiang 453002, China;
    2.College of Mathematics and Statistics Science, Xidian University, Xi'an 710071, China
  • Received:2013-12-30 Online:2015-09-01 Published:2015-09-01

摘要: 为了解决无线传感器网络中由固定基站引发的负载不均衡及路由空洞问题,借助移动基站提出了一种数据收集算法。首先在网络中引入两种不同类型的基站,进而有效地解决了由固定基站带来的路由空洞问题和由移动基站带来的通信延迟问题。其次,算法采用了中转数据拦截策略,该策略可在数据传递途中利用局部数据采集最小树上节点对中转数据实施拦截,达到减少数据传输距离、降低网络能耗的目标。仿真结果表明,该算法可以显著改善网络性能。

关键词: 通信技术, 无线传感器网络, 网络寿命, 数据包拦截策略, 通信延迟

Abstract: Utilizing static sink to collect data from Wireless Sensor Networks (WSNs) may result in high traffic load in the vicinity of the static sink. Meanwhile, the nodes located near the static sink may be more requested than other nodes in network, so these nodes may consume more energy and trigger off route hole problem. To solve these questions, with the aid of mobile sink, a novel Mobile Data Collecting Algorithm (MDCA) is proposed. MDCA adopts the rule of packet intercept, so that the intermediate nodes can intercept data packets coming from distant nodes, which do not belong to propagation tree, and forward these data packets through its bypass leading to the mobile sink nearby. This rule can efficiently reduce the transmitted distance of data packet; hence improve the security of data packets. This strategy performs better in improving the success rate of packet transmission.

Key words: communication technology, wireless sensor networks, network lifetime, packet interception strategy, communication delay

中图分类号: 

  • TN915
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