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Towards augmented connectivity with delay constraints in WSN federation

机译:在WSN联盟中实现具有延迟约束的增强连接

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摘要

Inconsiderate WSN federation can impose a major network delay. In this paper, we look into the problem of WSN federation while considering a restricted delay between the federated segments. Towards this end, we propose two schemes for relay node placement in federating WSNs: Connectivity-Based Placement (CBP) and Connectivity-Based Placement with Delay-constraint (CBP-D). CBP maximises the connectivity of the network without any delay considerations, while CBP-D maximises the network connectivity with an upper bound on the maximum delay. We model the disjoint segments of the network to be federated into graph vertices and populate first phase relays to establish a connected graph. Consequently, second phase relays are populated to maximise the graph connectivity while maintaining cost (in CBP) and delay constraints (in CBP-D). Simulation results show that our schemes maximise the network connectivity significantly as compared to existing placement schemes in WSN federation, in addition to guaranteeing a very limited delay.
机译:WSN联盟考虑不周,可能会造成较大的网络延迟。在本文中,我们研究了WSN联合的问题,同时考虑了联合段之间的受限延迟。为此,我们提出了两种在联邦WSN中用于中继节点放置的方案:基于连接的放置(CBP)和基于连接的具有延迟约束的放置(CBP-D)。 CBP在不考虑任何延迟的情况下最大化了网络的连通性,而CBP-D在最大延迟的上限上最大化了网络的连通性。我们对要连接到图顶点的网络的不相交段进行建模,并填充第一相继电器以建立连接的图。因此,在保持成本(在CBP中)和延迟约束(在CBP-D中)的同时,填充第二相继电器以最大化图形连接性。仿真结果表明,与WSN联盟中的现有布局方案相比,我们的方案除了保证非常有限的延迟外,还极大地提高了网络连接性。

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