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该论文提出了一种在9.6GHz X波段工作的温度鲁棒型唤醒接收机，功耗仅27.6nW，灵敏度达-65dBm，解决了超低功耗物联网节点在宽温度范围内可靠通信的难题。
Benton H. Calhoun, Steven M. Bowers University of Virginia, Charlottesville, VA To achieve the exponential growth needed for a 1-trillion-node Internet of Things (IoT) in the next decade, innovative solutions are required to eliminate recurring battery replacement costs, enable reliable operation in environments with uncontrolled temperatures, and leverage the massive communication infrastructure at multi-GHz frequency bands. Sub-100nW ultra-low-power (ULP) wakeup receivers (WuRx’s) promise energy-efficient operation for event-driven applications [1-3], but can be susceptible to temperature variation. Until now, sub-100nW WuRx’s favor sub-GHz frequencies due to the low quality-factor (Q) of passives at higher frequencies, which limits the WuRx sensitivity [4-6]. This practice is a detriment to compatibility with the existing urban communication infrastructure, future 5G links, multi-GHz avionics, and small system antenna size.
Pouyan Bassirian, Divya Duvvuri, Daniel S. Truesdell, Ningxi Liu,