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首页> 外文期刊>IEEE Transactions on Parallel and Distributed Systems >ALBA-R: Load-Balancing Geographic Routing Around Connectivity Holes in Wireless Sensor Networks
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ALBA-R: Load-Balancing Geographic Routing Around Connectivity Holes in Wireless Sensor Networks

机译：ALBA-R：无线传感器网络中连接孔周围的负载均衡地理路由

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摘要

This paper presents ALBA-R, a protocol for convergecasting in wireless sensor networks. ALBA-R features the cross-layer integration of geographic routing with contention-based MAC for relay selection and load balancing (ALBA), as well as a mechanism to detect and route around connectivity holes (Rainbow). ALBA and Rainbow (ALBA-R) together solve the problem of routing around a dead end without overhead-intensive techniques such as graph planarization and face routing. The protocol is localized and distributed, and adapts efficiently to varying traffic and node deployments. Through extensive ns2-based simulations, we show that ALBA-R significantly outperforms other convergecasting protocols and solutions for dealing with connectivity holes, especially in critical traffic conditions and low-density networks. The performance of ALBA-R is also evaluated through experiments in an outdoor testbed of TinyOS motes. Our results show that ALBA-R is an energy-efficient protocol that achieves remarkable performance in terms of packet delivery ratio and end-to-end latency in different scenarios, thus being suitable for real network deployments.
机译：本文提出了ALBA-R，一种用于无线传感器网络中的融合广播协议。 ALBA-R具有地理路由与基于争用的MAC的跨层集成，用于中继选择和负载平衡（ALBA），以及用于检测和路由连接孔的机制（彩虹）。 ALBA和Rainbow（ALBA-R）一起解决了无死角布线的问题，而无需使用诸如图形平面化和面布线之类的开销大的技术。该协议是本地化和分布式的，并且可以有效地适应各种流量和节点部署。通过大量基于ns2的模拟，我们显示ALBA-R在处理连通性漏洞方面，特别是在关键流量条件和低密度网络中，明显优于其他融合广播协议和解决方案。还通过在TinyOS微粒室外测试台上进行的实验评估了ALBA-R的性能。我们的结果表明，ALBA-R是一种节能协议，可在不同情况下在数据包传递率和端到端延迟方面实现出色的性能，因此适合实际网络部署。

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