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http://dx.doi.org/10.5515/KJKIEES.2008.19.9.1045

A Design of Non-Coherent CMOS IR-UWB Receiver  

Ha, Min-Cheol (Department of Electronic Engineering, Kwang Woon University)
Park, Young-Jin (Korea Electro Technology Research Institute)
Eo, Yun-Seong (Department of Electronic Engineering, Kwang Woon University)
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Abstract
In this paper presents a CMOS RF receiver for IR-UWB wireless communications is presented. The impulse radio based UWB receiver adopts the non-coherent demodulation that simplifies the receiver architecture and reduces power consumption. The IR-UWB receiver consists of LNA, envelop detector, VGA, and comparator and the receiver including envelope detector, VGA, and comparator is fabricated on a single chip using $0.18{\mu}m$ CMOS technology. The measured sensitivity of IR-UWB receiver is down to -70 dBm and the BER $10^{-3}$, respectively at data rate 1 Mbps. The current consumption of IR-UWB receiver except external LNA is 5 mA at 1.8 V.
Keywords
Impulse Radio UWB; Ultra Wide Band(UWB) Receiver; Non-Coherent; Envelop-Detector;
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