Title :
A 3.54nJ/bit UWB front-end in 0.18-µm CMOS
Author :
Ang, Chyuen-Wei ; Gao, Yuan ; Zheng, Yuanjin
Author_Institution :
Inst. of Microelectron., A*STAR (Agency for Sci., Technol. & Res.), Singapore, Singapore
Abstract :
A 3.54 nJ/bit receiver front-end for 3-5 GHz impulse radio UWB is proposed in this paper. Noncoherent receiver architecture enables the implementation of a low cost, low power and low complexity receiver. Current-reuse technique is employed in the LNA to reduce the power consumption while achieving high gain. The designed LNA can achieve 40 dB voltage gain and the receiver front-end can achieve a detection sensitivity of -90 dBm. The total power consumption of the receiver front-end is 23.6 mW at 1.8 V supply. With a power-on duration of 150 ns (equivalent to 15% for 1 MHz data rate transmission), an energy efficiency of 3.54 nJ/bit is achieved.
Keywords :
CMOS integrated circuits; low noise amplifiers; low-power electronics; radio receivers; ultra wideband communication; CMOS; UWB front-end; current-reuse technique; detection sensitivity; energy efficiency; frequency 3 GHz to 5 GHz; impulse radio UWB; noncoherent receiver architecture; power 23.6 mW; power consumption reduction; receiver front-end; size 0.18 mum; time 150 ns; voltage 1.8 V; voltage gain; CMOS integrated circuits; CMOS technology; Energy efficiency; Gain; Power demand; Receivers; Wireless sensor networks; LNA; UWB; low power; non-coherent; squarer;
Conference_Titel :
Communication Systems (ICCS), 2010 IEEE International Conference on
Conference_Location :
Singapore
Print_ISBN :
978-1-4244-7004-4
DOI :
10.1109/ICCS.2010.5686454
