基于ZigBee网络的数据播发传输系统研究
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摘要
无线网络中的数据传输可靠性不及有线网络环境中的数据传输,尽管在无线单播传输中可以使用虚拟载波侦听,但组播和播发仍然不能利用准确的机制进行可靠传输。这是由于播发传输的确认分组将导致更高的通信业务量和开销。可靠的数据播发对于无线传感器网络中的许多应用至关重要。文中提出了一种基于无线传感器ZigBee网络可靠数据播发的有效确认方法和分级确认机制,减少重播分组和ACK分组,基于度数的ACK/重播播发抖动以及面向父节点的重传是实现高效数据播发的关键。仿真结果表明,所提出的方案能够有效减少确认流量以及通信开销,为ZigBee网络提供高可靠性的数据播发传输。
The reliability of data transmission in wireless networks is not as good as that in wired networks. Although virtual carrier sense can be used in wireless unicast transmissions,multicast and broadcast cannot still be reliably transmitted using accurate mechanisms. This is because the acknowledgment packets that are transmitted for transmission will result in higher traffic and overhead.Reliable data distribution is critical for many applications in wireless sensor networks. This paper proposes an effective acknowledgment method and hierarchical acknowledgment mechanism for reliable data broadcast based on wireless sensor ZigBee network. It reduces rebroadcast packets and ACK packets. Degree-based ACK/replay broadcast jitter and father-node retransmission are key for efficient data dissemination. The simulation results show that the proposed scheme can effectively reduce the acknowledgement traffic and communication overhead, and provide highly reliable data broadcast transmission for ZigBee networks.
The reliability of data transmission in wireless networks is not as good as that in wired networks. Although virtual carrier sense can be used in wireless unicast transmissions,multicast and broadcast cannot still be reliably transmitted using accurate mechanisms. This is because the acknowledgment packets that are transmitted for transmission will result in higher traffic and overhead.Reliable data distribution is critical for many applications in wireless sensor networks. This paper proposes an effective acknowledgment method and hierarchical acknowledgment mechanism for reliable data broadcast based on wireless sensor ZigBee network. It reduces rebroadcast packets and ACK packets. Degree-based ACK/replay broadcast jitter and father-node retransmission are key for efficient data dissemination. The simulation results show that the proposed scheme can effectively reduce the acknowledgement traffic and communication overhead, and provide highly reliable data broadcast transmission for ZigBee networks.
引文
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[2]Xu Xiao-bin,Liu Ping,Sun Yan-bo,et al.Fault Diagnosis Based on the Updating Strategy of Interval-Valued Belief Structures[J].Chinese Journal of Electronics,2014,23(4):753-760.
[3]何军,袁永强,蒋国华.基于IOCP的北斗广域差分数据播发体制研究[J].网络安全技术与应用,2015(11):98-99.
[4]吴晓东,沈刚,夏威,等.交通行业GNSS差分信息播发技术研究[J].全球定位系统,2015,40(1):41-45.
[5]董红波,郭迟,崔竞松,等.广域实时精密定位的数据服务系统设计与验证[J].小型微型计算机系统,2015,36(1):27-32.
[6]李文锋,符修文.无线传感器网络抗毁性[J].计算机学报,2015,38(3):625-647.
[7]杨俊杰,廖卓凡,冯超超.大数据存储架构和算法研究综述[J].计算机应用,2016,36(9):2465-2471.
[8]张冲,熊勇,房卫东,等.ZigBee网络性能测试系统研究[J].国外电子测量技术,2015,34(8):74-81.
[9]杨伟,王沁,万亚东,等.IEEE802.15.4e标准的安全多跳时间同步协议设计[J].计算机科学,2017,44(3):175-181,194.
[10]钱亮,钱志鸿,李天平,等.基于强化学习的IEEE802.15.4网络区分服务策略[J].通信学报,2015,36(8):171-181.
[11]李迪,杨银堂,石佐辰,等.一种适用于IEEE802.15.4(Zig Bee)标准的2.4GHz CMOS射频收发机设计[J].电子学报,2015,43(5):1021-1027.
[12]陶志勇,高鹏涛.基于地址分配的ZigBee自愈算法[J].微电子学与计算机,2014,31(10):168-172.
[13]王新可,李秦伟.基于OMNe T++ZigBee星型网络系统仿真研究[J].贵州大学学报:自然科学版,2015,32(6):88-91.
[14]滕志军,张明儒,张力,等.认知视角下能量感知的ZigBee网络树型路由优化算法[J].哈尔滨工业大学学报,2016,48(11):109-115.
[15]黄旭,王子欧,季爱明.基于ZigBee无线Mesh网络的温湿度测量系统[J].微型机与应用,2014,33(9):89-91,97.
[16]盛震男,李晖.基于RFID技术和Zigbee技术的跟踪定位系统设计[J].电子技术与软件工程,2014(16):75.
[17]赵海军,崔梦天,李明东,等.基于改进的洪泛广播和粒子滤波的无线传感器网络节点定位[J].计算机应用,2016,36(10):2659-2663,2669.
[18]郎为民,杨德鹏,李虎生.基于连通支配集的WSAN骨干网研究[J].数据通信,2011(5):13-17.