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Bringing life out of diversity: Boosting network lifetime using multi-PHY routing in RPL
Transactions on Emerging Telecommunications Technologies ( IF 2.5 ) Pub Date : 2022-07-17 , DOI: 10.1002/ett.4592
Mina Rady 1, 2 , Quentin Lampin 1 , Dominique Barthel 1 , Thomas Watteyne 2
Affiliation  

In this article, we propose a routing mechanism based on the RPL protocol in a wireless network that is equipped with a mix of short-range and long-range radios. We introduce Life-OF, an objective function for RPL which uses a combination of metrics and the diverse physical layers to boost the network's lifetime. We evaluate the performance of Life-OF compared to the classical MRHOF objective function in simulations. Two key performance indicators (KPIs) are reported: network lifetime and network latency. Results demonstrate that MRHOF tends to converge to a pure long-range network, leading to short network lifetime. However, Life-OF improves network lifetime by continuously adapting the routing topology to favor routing over nodes with longest remaining lifetime. Life-OF combines diverse radios and balances power consumption in the network. This way, nodes switch between using their short-range radio to improve their own battery lifetime and using their long-range radio to avoid routers that are close to depletion. Results show that using Life-OF improves the lifetime of the network by up to 470% that of MRHOF, while maintaining similar latency.

中文翻译:

从多样性中汲取生命:在 RPL 中使用多 PHY 路由来延长网络生命周期

在本文中,我们提出了一种基于 RPL 协议的无线网络中的路由机制,该无线网络配备了短程和远程无线电的组合。我们介绍了 Life-OF,这是 RPL 的一个目标函数,它使用指标和不同物理层的组合来提高网络的生命周期。我们在模拟中评估了 Life-OF 与经典 MRHOF 目标函数的性能。报告了两个关键性能指标 (KPI):网络寿命和网络延迟。结果表明,MRHOF 倾向于收敛到纯远程网络,导致网络寿命短。然而,Life-OF 通过不断调整路由拓扑以支持在剩余寿命最长的节点上进行路由来提高网络寿命。Life-OF 结合了不同的无线电并平衡了网络中的功耗。通过这种方式,节点可以在使用短程无线电来提高自己的电池寿命和使用远程无线电来避免路由器接近耗尽之间切换。结果表明,使用 Life-OF 可以将网络的生命周期提高多达 470%,同时保持相似的延迟。
更新日期:2022-07-17
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