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ICASSP
2011
IEEE
14 years 9 months ago
Multi-rate polyphase DSP and LMS calibration schemes for oversampled data conversion systems
—Architectural schemes for low-power calibration of oversampled analog-to-digital (A/D) systems are presented. Conventional full-rate least-mean squares (LMS) calibration has two...
Subhanshu Gupta, Yi Tang, Kuang-Wei Cheng, Jeyanan...
ICASSP
2011
IEEE
14 years 9 months ago
Hardware acceleration of iterative image reconstruction for X-ray computed tomography
X-ray computed tomography (CT) images could be improved using iterative image reconstruction if the 3D conebeam forward- and back-projection computations can be accelerated signif...
Jung Kuk Kim, Zhengya Zhang, Jeffrey A. Fessler
175
Voted
ISCAS
2011
IEEE
217views Hardware» more  ISCAS 2011»
14 years 9 months ago
A 6.25 MHz BW 8-OSR fifth-order single-stage sigma-delta ADC
— A switched-capacitor single-stage sigma-delta ADC with a fifth-order modulator is proposed. The proposed sigmadelta ADC employs feed-forward architecture with oversampling rati...
Chang-Seob Shin, Min-Ho Yoon, Kang-Il Cho, Young-J...
ISCA
2012
IEEE
262views Hardware» more  ISCA 2012»
13 years 8 months ago
Boosting mobile GPU performance with a decoupled access/execute fragment processor
Smartphones represent one of the fastest growing markets, providing significant hardware/software improvements every few months. However, supporting these capabilities reduces the...
Jose-Maria Arnau, Joan-Manuel Parcerisa, Polychron...
EWSN
2008
Springer
16 years 5 months ago
Radio Characterization of 802.15.4 and Its Impact on the Design of Mobile Sensor Networks
Future mobile sensing systems are being designed using 802.15.4 low-power short-range radios for a diverse set of devices from embedded mobile motes to sensor-enabled cellphones in...
Emiliano Miluzzo, Xiao Zheng, Kristof Fodor, Andre...