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基于IEEE802.15.4标准的改进型隐藏节点冲突避免策略 被引量：1

Improved hidden node collision avoidance strategy based on IEEE802.15.4
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摘要 对已有的隐藏节点冲突避免策略进行了改进,改进后的策略对区域分组方法进行了优化,对IEEE802.15.4超帧结构进行了调整,并提出了更为灵活的时隙分配方法。仿真结果表明该改进方案可以有效降低网络端到端时延和丢包率,提升了QoS性能。 The problem of collision caused by hidden nodes in wireless network is one of the main reasons that lead to the decline in network performances.An existed strategy for hidden node collision avoidance was improved.The improved strategy optimizes the regional grouping method,and adjusts the structure of IEEE802.15.4 super-frame.Then a more flexible time slot allocation algorithm was proposed.The simulation results indicate that the improved strategy can effectively reduce network end-to-end delay and packet loss rate,and improve QoS performance.
作者 冯琳函 钱志鸿 尚克诚 朱爽
机构地区 吉林大学通信工程学院 中国移动通信集团吉林有限公司
出处 《吉林大学学报（工学版）》 EI CAS CSCD 北大核心 2013年第3期776-780,共5页 Journal of Jilin University:Engineering and Technology Edition
基金 国家自然科学基金项目(61071073) 高等学校博士学科点专项科研基金项目(20090061110043)
关键词 通信技术 IEEE802 15 4 隐藏节点 冲突避免 服务质量 communication IEEE802.15.4 hidden node collision avoidance QoS
分类号 TN915.04 [电子电信—通信与信息系统]
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参考文献13

  • 1IEEE802.15.4Standard(2006)Part 15.4:wirelessmedium access control(MAC)and physical layer(PHY)specifications for low-rate wireless personalarea networks(LR-WPANs)[S].IEEE SA Stand-ards Board Std.802.15.4,2006.
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吉林大学学报（工学版）
2013年 第3期

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