The rapid development of Internet of Things (IoT) can promote the establishment of the smart connected world by using numerous devices and sensors. Collecting the data perceived by sensing devices in a fast and energy-saving style is critical for building a stable network in IoT. In this paper, we propose an Early Message Ahead Join Adaptive Data Aggregation (E-ADA) scheme for IoT. Firstly, an advance notification mechanism based on early message is introduced to improve the probability of data aggregation, thus optimizing energy consumption and network lifetime. In this mechanism, the routing of early message is faster than that of the data packet. Nodes with data packet send an early message forward to notice, and other data packets which monitor the early message can wait for that to aggregate under the delay deadline constraints. Secondly, we propose a Delay-optimized Convergence Routing based E-ADA (DOCR-E-ADA) data collection scheme which combines advance notification mechanism and convergence routings. The duty cycle of nodes in convergence routing is adaptively adjusted, which greatly reduces transmission latency. Finally, extensive experimental results demonstrate that our DOCR-E-ADA outperforms the existing schemes in terms of network delay and lifetime.

中文翻译：

---

可持续物联网的有效的提前预警信息加入自适应数据聚合方案

物联网（IoT）的快速发展可以通过使用大量设备和传感器来促进智能互联世界的建立。以快速，节能的方式收集传感设备感知到的数据对于在物联网中建立稳定的网络至关重要。在本文中，我们提出了一种针对物联网的早期消息提前加入自适应数据聚合（E-ADA）方案。首先，引入了基于早期消息的提前通知机制，以提高数据聚合的概率，从而优化能耗和网络寿命。在这种机制下，早期消息的路由比数据包的路由更快。具有数据包的节点会发送早期消息以进行通知，而其他监视早期消息的数据包可以在延迟期限约束下等待聚集。第二，我们提出了一种基于延迟优化的收敛路由的E-ADA（DOCR-E-ADA）数据收集方案，该方案结合了预先通知机制和收敛路由。收敛路由中节点的占空比被自适应地调整，这大大减少了传输等待时间。最后，大量的实验结果表明，我们的DOCR-E-ADA在网络延迟和寿命方面均优于现有方案。