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随机接入移动无线传感器网络快速组网媒体访问控制 被引量：3

Fast networking media access control for random access based mobile wireless sensor networks
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摘要 基于非时隙CSMA/CA随机接入机制的IEEE802.15.4MAC协议组网耗时过长,不能满足自组网实时通信应用需求。针对这一问题,分析了MAC组网流程中各步骤所耗时间,提出一种新的快速组网策略,采用预分配信道,将关联过程从间接传输简化为直接传输,改进CSMA/CA冲突避免机制以减少冲突。仿真实验和现场测试结果均表明,与IEEE 802.15.4协议相比,提出的快速组网策略使得信道冲突降低,组网时间更快,更符合实时通信需求。 This paper researched the fast networking Media Access Control （MAC） of mobile sensor networks based on unslotted CSMA/CA （ Carrier Sense Multiple Access with Collision Avoidance） random access algorithm. This paper analyzed and optimized the networking process by pre-assigning the channels, simplified the association process using direct transmission instead of indirect transmission, and improved the CSMA/CA mechanism in order to reduce the collision. The simulation and field test results show that the proposed method can reduce the collision and the networking time effectively compared with the IEEE 802.15.4 protocol.
作者 黄亮 王福豹 马超 杨晗
机构地区 西北工业大学电子信息学院
出处 《计算机应用》 CSCD 北大核心 2013年第10期2726-2729,共4页 journal of Computer Applications
关键词 移动无线传感器网络 快速组网 IEEE802 15 4MAC 非时隙CSMA CA 组网时间 Mobile Wireless Sensor Network （MWSN） fast networking IEEE802. 15.4MAC unslotted CSMA/CA（ Carrier Sense Muhiple Access with Collision Avoidance） networking time
分类号 TP393.03 [自动化与计算机技术—计算机应用技术] TN915.04 [电子电信—通信与信息系统]
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参考文献12

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二级参考文献6

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共引文献3

同被引文献26

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计算机应用
2013年 第10期

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