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首页> 外文期刊>International Journal of Parallel, Emergent and Distributed Systems >Distributed load balancing mechanism for detouring schemes of geographic routing in wireless sensor networks
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Distributed load balancing mechanism for detouring schemes of geographic routing in wireless sensor networks

机译：无线传感器网络中地理路由绕行方案的分布式负载平衡机制

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摘要

Well-known 'routing hole' problem of geographic routing is hardly avoided in wireless sensor networks because of various actual geographical environments. Existing geographic routing protocols use perimeter routing strategies to find a detour path around the boundary of holes when they encounter the local minimum during greedy forwarding. However, this solution may lead to uneven energy consumption around the holes since it consumes more energy of the boundary sensors. It becomes more serious when holes appear in most of routing paths in a large-scale sensor network. In this paper, we propose a novel distributed strategy to balance the traffic load on the boundary of holes by virtually changing the sizes of these holes. The proposed mechanism dynamically controls holes to expand and shrink circularly without changing the underlying forwarding strategy. Therefore, it can be applied to most of the existing geographic routing protocols which detour around holes. Simulation results show that our strategy can effectively balance the load around holes, thus prolonging the network life of sensor networks when an existing geographic routing protocol is used as the underlying routing protocol.
机译：由于各种实际的地理环境，在无线传感器网络中几乎无法避免众所周知的地理路由“路由孔”问题。现有的地理路由协议使用边界路由策略在贪婪转发过程中遇到局部最小值时在孔的边界周围找到绕行路径。然而，由于该解决方案消耗了边界传感器的更多能量，因此可能导致孔周围的能量消耗不均匀。当在大型传感器网络的大多数路由路径中出现孔洞时，情况将变得更加严重。在本文中，我们提出了一种新颖的分布式策略，可通过虚拟更改这些孔的大小来平衡孔边界上的交通负载。所提出的机制可动态控制漏洞，以在不更改基础转发策略的情况下循环扩展和缩小。因此，它可以应用于绕孔绕道的大多数现有地理路由协议。仿真结果表明，当使用现有的地理路由协议作为底层路由协议时，我们的策略可以有效地平衡孔周围的负载，从而延长传感器网络的网络寿命。

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