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引用次数: 14
摘要
智能电网通信网络需要为分布在广泛地理区域的大量设备提供服务。智能电网设备将产生具有不同服务质量(QoS)要求的不同类别的流量。广域网的关键问题之一是经济有效地连接所有可能在能源受限环境中运行的设备。在本文中,我们提出了一个基于簇树的6LoWPAN (IPv6 over Low power Wireless Personal Area Networks)网络,用于邻域网络(NAN)的应用。为了最大限度地提高吞吐量和最小化NAN中的数据包延迟,我们提出了一种交错链路设计方法来支持基于信标的6LoWPAN分布式网络架构。建立了一个OPNET仿真模型,分析了智能电表和需求管理数据通信中NAN的性能。初步仿真结果表明,这种交错链路设计方法与分组聚合技术相结合,可以显著提高NAN的性能。
Performance analysis of a distributed 6LoWPAN network for the Smart Grid applications
The Smart Grid communication networks need to serve a large number of devices distributed over a wide geographical area. The Smart Grid devices will generate different classes of traffic with varying Quality of Service (QoS) requirements. One of the key problems in a wide area network is the cost-effective connectivity to all devices which may be operating in an energy-constrained environment. In this paper, we propose a cluster-tree based 6LoWPAN (IPv6 over Low power Wireless Personal Area Networks) network for the Neighborhood Area Network (NAN) applications. To maximize the throughput and to minimize the packet latency in the NAN, we propose a staggered link design approach to support a beacon based 6LoWPAN distributed network architecture. An OPNET simulation model has been developed to analyze the performance of a NAN for smart meter and demand management data communications. Initial simulation results show that this staggered link design approach combined with a packet aggregation technique can significantly enhance the performance of a NAN.