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ISCAS
2007
IEEE
178views Hardware» more  ISCAS 2007»
13 years 10 months ago
On the Joint Compensation of IQ Imbalances and Phase Noise in MIMO-OFDM Systems
Abstract— OFDM systems are susceptible to receiver impairments such as IQ imbalance and phase noise. These impairments can severely degrade the achievable effective signalto-nois...
Qiyue Zou, Alireza Tarighat, Ali H. Sayed
ISCAS
2007
IEEE
132views Hardware» more  ISCAS 2007»
13 years 10 months ago
Charge Recycling MTCMOS for Low Energy Active/Sleep Mode Transitions
– Multi-threshold voltage CMOS (MTCMOS) has emerged as an increasingly popular technique for reducing the leakage energy consumption of idle circuits. The MTCMOS circuits, howeve...
Zhiyu Liu, Volkan Kursun
ISCAS
2007
IEEE
143views Hardware» more  ISCAS 2007»
13 years 10 months ago
Effect of Recompression on Attacking JPEG Steganographic Schemes An Experimental Study
—In the implementation of a few JPEG steganographic schemes such as OutGuess and F5, an additional JPEG compression may take place before data embedding. The effect of this recom...
Yun Q. Shi, Chunhua Chen, Wen Chen, Maala P. Kaund...
ISCAS
2007
IEEE
207views Hardware» more  ISCAS 2007»
13 years 10 months ago
Low-delay View Random Access for Multi-view Video Coding
—Multi-view video coding is becoming a very active research topic, as multi-view video system provides the interactive feature which makes viewers experience the free viewpoint n...
Yanwei Liu, Qingming Huang, Debin Zhao, Wen Gao
ISCAS
2007
IEEE
80views Hardware» more  ISCAS 2007»
13 years 10 months ago
An I/Q Channel Time-Interleaved Band-Pass Sigma-Delta Modulator for a Low-IF Receiver
—This paper proposes a multiplexing scheme to realize an I/Q channel time-interleaved (TI) band-pass sigmadelta modulator (BPSDM) that shares OTAs to minimize power consumption a...
Minho Kwon, Gunhee Han
ISCAS
2007
IEEE
108views Hardware» more  ISCAS 2007»
13 years 10 months ago
Mixed-Order Sturdy MASH Delta-Sigma Modulator
Nima Maghari, Sunwoo Kwon, Gabor C. Temes, Un-Ku M...
ISCAS
2007
IEEE
108views Hardware» more  ISCAS 2007»
13 years 10 months ago
Linear Prediction Based Semi-Blind Channel Estimation for MIMO-OFDM System
— In this paper, a semi-blind channel estimation method is presented for MIMO-OFDM systems. The new method uses the linear prediction for obtaining a blind constraint on the MIMO...
Feng Wan, Wei-Ping Zhu, M. N. S. Swamy
ISCAS
2007
IEEE
93views Hardware» more  ISCAS 2007»
13 years 10 months ago
Digital Wideband Excitation Technique for Impedance-Based Structural Health Monitoring Systems
—With ever increasing complexity in new mechanical structures, as well as aging structures in operation, locating damage with structural health monitoring techniques is becoming ...
Jina Kim, Benjamin L. Grisso, Dong S. Ha, Daniel J...
ISCAS
2007
IEEE
105views Hardware» more  ISCAS 2007»
13 years 10 months ago
A Parallel, Multi-Resolution Sensing Technique for Multiple Antenna Cognitive Radios
—A parallel, multi-resolution spectrum sensing technique that is amenable to multiple-antenna cognitive radios is introduced. We show that for energy-detector-type spectrum senso...
Nathan M. Neihart, Sumit Roy, David J. Allstot
ISCAS
2007
IEEE
172views Hardware» more  ISCAS 2007»
13 years 10 months ago
A 70dB Gain Low-Power Band-Pass Amplifier for Bio-Signals Sensing Applications
— this paper presents an integrated 70dB gain, low-power, and low-noise active RC amplifier and filter for low bio-signals sensing applications. The -3dB sense channel bandwidth ...
Cheng Chih Liu