Abstract
After having long been used in military radio applications, Ultra-Wideband Impulse Radio (UWB-IR) is now emerging as a communication technology suitable for short-range, low-data rate radio links in applications with a tight energy budget, such as wireless sensor networks, neural recording, etc. As a significant example of this trend, this paper presents the design of fully integrated UWB-IR transmitters and receivers operating in the 7.25–8.5 GHz band. The focus is on the high overall transmission and detection energy efficiency, and the robustness to interferers. The issues related to operation under low-supply voltages, such as those available from the energy harvesters, are also addressed. The results give favorable indications about the practical feasibility of sub-nj/bit radio transceivers capable of operating over a few meters link.
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