S. Unnikrishna Pillai

31 papers B 1Misc 8Journal 18Unranked 4
YearRankTypeTitle / Venue / Authors
2025 J jnl
A Hybrid Dominant-Interferer Approximation for SINR Coverage in Poisson Cellular Networks.
CoRR
Sunder Ram Krishnan, Junaid Farooq, Kumar Vijay Mishra, Xingchen Liu, S. Unnikrishna Pillai, Theodore S. Rappaport
2010 — conf
Adaptive transmitter weight design for clutter suppression.
CIP
S. Unnikrishna Pillai, Ke Yong Li, Braham Himed
2010 Misc conf
Angle-Doppler processing using sparse regularization.
ICASSP
Ivan W. Selesnick, S. Unnikrishna Pillai, Ke Yong Li, Braham Himed
2005 J jnl
The Perron-Frobenius theorem: some of its applications.
IEEE Signal Process. Mag.
S. Unnikrishna Pillai, Torsten Suel, Seunghun Cha
2004 B conf
Receiver design for rapidly time-varying channels.
ISIT
Christian Sgraja, Jürgen Lindner, S. Unnikrishna Pillai
2003 — conf
Optimum MIMO transmit-receiver design in presence of interference.
ISCAS (4)
S. Unnikrishna Pillai, Hyun Seok Oh
2000 J jnl
Generalized forward/backward subaperture smoothing techniques for sample starved STAP.
IEEE Trans. Signal Process.
S. Unnikrishna Pillai, Younglok L. Lim, Joseph R. Guerci
2000 J jnl
Optimal transmit-Receiver design in the presence of signal-dependent interference and channel noise.
IEEE Trans. Inf. Theory
S. Unnikrishna Pillai, Hyun Seok Oh, Dante C. Youla, Joseph R. Guerci
1999 J jnl
Blind image deconvolution using a robust GCD approach.
IEEE Trans. Image Process.
S. Unnikrishna Pillai, Ben Liang
1998 Misc conf
Generalized forward/backward subaperture smoothing techniques for sample starved STAP.
ICASSP
S. Unnikrishna Pillai, Joseph R. Guerci, Younglok L. Lim
1998 Misc conf
Optimal loading factor for minimal sample support space-time adaptive radar.
ICASSP
Younglok L. Lim, S. Unnikrishna Pillai, Joseph R. Guerci
1997 J jnl
A new study of the problem of compatible impedances.
Int. J. Circuit Theory Appl.
Dante C. Youla, Fred Winter, S. Unnikrishna Pillai
1997 — conf
Two-Dimensional Blind Deconvolution Using a Robust GCD Approach.
ICIP (1)
S. Unnikrishna Pillai, Ben Liang
1996 Misc conf
Efficient space-time adaptive processing for airborne MTI-mode radar.
ICASSP
Joseph R. Guerci, S. Unnikrishna Pillai, Younglok L. Lim
1996 J jnl
Multichannel stable systems that extend the partial impulse response matrices.
IEEE Trans. Signal Process.
Won Cheol Lee, S. Unnikrishna Pillai
1994 — conf
Parametrization of stable systems from impulse response data.
ICASSP (4)
S. Unnikrishna Pillai, Won Cheol Lee
1993 J jnl
A new technique for ARMA-system identification and rational approximation.
IEEE Trans. Signal Process.
S. Unnikrishna Pillai, Theodore I. Shim, Dante C. Youla
1993 J jnl
Uniqueness of a two-step predictor based spectral estimator that generalizes the maximum entropy concept.
IEEE Trans. Signal Process.
Theodore I. Shim, S. Unnikrishna Pillai, Won Cheol Lee
1992 J jnl
A new spectrum extension method that maximizes the multistep minimum prediction error-generalization of the maximum entropy concept.
IEEE Trans. Signal Process.
S. Unnikrishna Pillai, Theodore I. Shim, M. Hafed Benteftifa
1991 Misc conf
Improvements on the Cramer-Rao bound.
ICASSP
S. Unnikrishna Pillai, Nikhileshwar D. Sinha
1990 J jnl
An algorithm for near-optimal placement of sensor elements.
IEEE Trans. Inf. Theory
David Pearson, S. Unnikrishna Pillai, Youngjik Lee
1990 Misc conf
Generalization of maximum entropy spectrum extension method.
ICASSP
S. Unnikrishna Pillai
1990 J jnl
Image reconstruction from one bit of phase information.
J. Vis. Commun. Image Represent.
S. Unnikrishna Pillai, Brig Elliott
1989 J jnl
Coherent signal classification using symmetry considerations.
IEEE Trans. Acoust. Speech Signal Process.
S. Unnikrishna Pillai, Youngjik Lee
1989 J jnl
Forward/backward spatial smoothing techniques for coherent signal identification.
IEEE Trans. Acoust. Speech Signal Process.
S. Unnikrishna Pillai, Byung Ho Kwon
1989 J jnl
Performance analysis of MUSIC-type high resolution estimators for direction finding in correlated and coherent scenes.
IEEE Trans. Acoust. Speech Signal Process.
S. Unnikrishna Pillai, Byung Ho Kwon
1988 Misc conf
An algorithm for optimal placement of sensor elements.
ICASSP
Youngjik Lee, S. Unnikrishna Pillai
1987 J jnl
Statistical analysis of a high resolution spatial spectrum estimator utilizing an augmented covariance matrix.
IEEE Trans. Acoust. Speech Signal Process.
S. Unnikrishna Pillai, Fred Haber
1985 J jnl
A MAP estimate that maximizes entropy - An alternative interpretation for an autoregressive model.
Proc. IEEE
S. Unnikrishna Pillai
1985 Misc conf
A new approach to array geometry for improved spatial spectrum estimation.
ICASSP
S. Unnikrishna Pillai, Fred Haber, Yeheskel Bar-Ness
1985 J jnl
A new approach to array geometry for improved spatial spectrum estimation.
Proc. IEEE
S. Unnikrishna Pillai, Yeheskel Bar-Ness, Fred Haber