ISCAS
2007
IEEE
14 years 7 months ago
2007
IEEE
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...
ISCAS
2007
IEEE
14 years 7 months ago
2007
IEEE
– 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...
ISCAS
2007
IEEE
14 years 7 months ago
2007
IEEE
—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...
ISCAS
2007
IEEE
14 years 7 months ago
2007
IEEE
—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...
ISCAS
2007
IEEE
14 years 7 months ago
2007
IEEE
—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...
ISCAS
2007
IEEE
14 years 7 months ago
2007
IEEE
ISCAS
2007
IEEE
14 years 7 months ago
2007
IEEE
— 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...
ISCAS
2007
IEEE
14 years 7 months ago
2007
IEEE
—With ever increasing complexity in new mechanical structures, as well as aging structures in operation, locating damage with structural health monitoring techniques is becoming ...
ISCAS
2007
IEEE
14 years 7 months ago
2007
IEEE
—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...
ISCAS
2007
IEEE
14 years 7 months ago
2007
IEEE
— 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 ...