Author :
Terada, Tsubasa ; Fujiwara, Ryosuke ; Ono, Goichi ; Norimatsu, Takayasu ; Nakagawa, Tatsuo ; Mizugaki, Kenichi ; Miyazaki, Masayuki ; Suzuki, Kei ; Yano, Kazuo ; Maeki, Akira ; Ogata, Yuji ; Kobayashi, Shinsuke ; Koshizuka, Noboru ; Sakamura, Ken
Abstract :
A low power receiver analog front end (AFE) for ultra-wideband impulse radio (UWB-IR) was developed in 0.18 mum CMOS. All circuits of the receiver AFE operate intermittently with a sampling clock of an analog-digital converter (ADC). The sampling rate of the ADC is equal to pulse repetition frequency of the received signals. Power consumption of the receiver AFE is decreased 60% by intermittent operation without degrading of receiver sensitivity. As a result, the power consumption of the receiver AFE is 38 mW at 258 kbps data rate.
Keywords :
CMOS analogue integrated circuits; analogue-digital conversion; radio receivers; ultra wideband communication; ADC; CMOS UWB-IR receiver analog front end; analog-digital converter; intermittent operation; pulse repetition frequency; sampling clock; ultra-wideband impulse radio; Bandwidth; Circuits; Delay; Energy consumption; Laboratories; Receivers; Sampling methods; Space vector pulse width modulation; Switches; Ultra wideband technology; Analog front end; Impulse radio; Intermittent operation; Low power; Receiver; Sensor network; Ultra wideband;
