低功耗水下物联网:愿景与关键技术

Low-power internet of underwater things:vision and key technologies

随着水下传感设备的激增以及对能源节约的追求,低功耗水下物联网的概念得以提出。受基于射频的反向散射网络启发,低功耗水下物联网利用水声反向散射技术实现水下传感器节点低功耗、低成本通信,在如水下长期探测等水下领域有着广泛的应用前景。首先,介绍了低功耗水下物联网的原理与架构;然后,提出并分析了该架构的关键技术,如感知、通信、组网、资源分配、安全等;最后,探讨了低功耗水下物联网的未来研究方向。

With the explosion of underwater sensing devices and the pursuit of energy conservation,the concept of low-power internet of underwater things has been put forward.Inspired by RF-based backscatter networks,the low-power internet of underwater things architecture uses underwater acoustic backscatter technology to realize the low-power and low-cost communication of underwater sensor nodes,which has a wide application prospect in underwater fields such as the long-term underwater detection.Firstly,the principle and architecture of low-power internet of underwater things was introduced.Then,the key technologies faced by the architecture were proposed and analyzed,such as perception,communication,networking,resource allocation,security and so on.Finally,the future research directions of low-power internet of underwater things were discussed.