Ultra-Wideband RF Transceiver Design in CMOS Technology
نویسندگان
چکیده
UWB (Ultra-Wideband) is one of the WPAN (Wireless Personal Area Network) Technologies; its main applications include imaging systems, vehicular radar systems and communications and measurement systems. Ever since the FCC released unlicensed spectrum of 3.1-10.6 GHz for UWB application in 2002, UWB has received significant interest from both industry and academia. Comparing with traditional narrowband WPANs, (e.g. Bluetooth, Zigbee, etc.), the most significant characteristics of UWB are ultra-wide bandwidth (7.5 GHz) and low emitted spectrum density (-41.3 dBm/MHz). According to Shannon-Hartley theorem (Wikipedia, 2010), through an AWGN (Additive White Gaussian Noise) channel, the maximum rate of clean (or arbitrarily low bit error rate) data is limited to
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