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Design, Implementation, and Performance Evaluation of a Flexible Low-Latency Nanowatt Wake-Up Radio Receiver

机译:灵活的低延迟纳瓦级唤醒无线电接收机的设计,实现和性能评估

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Wireless sensor networks (WSNs) have received significant attention in recent years and have found a wide range of applications, including structural and environmental monitoring, mobile health, home automation, Internet of Things, and others. As these systems are generally battery operated, major research efforts focus on reducing power consumption, especially for communication, as the radio transceiver is one of the most power-hungry components of a WSN. Moreover, with the advent of energy-neutral systems, the emphasis has shifted toward research in microwatt (or even nanowatt) communication protocols or systems. A significant number of wake-up radio receiver (WUR) architectures have been proposed to reduce the communication power of WSN nodes. In this work, we present an optimized ultra-low power (nanowatt) wake-up receiver for use in WSNs, designed with low-cost off-the-shelf components. The wake-up receiver achieves power consumption of 152 nW (with sensitivity), sensitivity up to (with maximum power of ), latency from , tunable frequency, and short commands communication. In addition, a low power solution, which includes addressing capability directly in the wake-up receiver, is proposed. Experimental results and simulations demonstrate low power consumption, functionality, and benefits of the design optimization compared with other solutions, as well as the benefits of addressing false positive (FP) outcomes reduction.
机译:近年来,无线传感器网络(WSN)受到了广泛的关注,并发现了广泛的应用,包括结构和环境监控,移动健康,家庭自动化,物联网以及其他。由于这些系统通常是电池供电的,因此主要的研究工作集中在降低功耗(尤其是通信)上,因为无线电收发器是WSN中最耗电的组件之一。此外,随着能量中和系统的出现,重点已转向研究微瓦(甚至纳瓦)通信协议或系统。已经提出了大量的唤醒无线电接收机(WUR)体系结构以减少WSN节点的通信功率。在这项工作中,我们提出了一种用于WSN的经过优化的超低功耗(纳瓦)唤醒接收器,该接收器采用低成本的现成组件设计。唤醒接收器的功耗为152 nW(具有灵敏度),灵敏度高达(最大功率为),来自的延迟,可调频率和短命令通信。另外,提出了一种低功率解决方案,该解决方案包括直接在唤醒接收器中的寻址能力。实验结果和仿真表明,与其他解决方案相比,设计优化具有较低的功耗,功能和优势,以及解决误报(FP)结果减少的优势。

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