List of Publications

ireless Communications Research GrouWirWireless Communications Research Group

Selected Publications

2009

V. Raghavan and A. Sayeed, Multi-antenna Capacity of Sparse Multipath Channels, UW ECE Technical Report 09-03, November 2009.
M. Malloy and A. Sayeed, Signal Detection in Sparse Multipath Channels, Allerton Conference, September 2009.
W. Bajwa, A. Sayeed and R. Nowak, A Restricted Isometry Property for Structurally-Subsampled Unitary Matrices, Allerton Conference, September 2009.
T.-H. Chou, A. Sayeed and S. Draper, Minimum Energy Per Bit for Secret Key Acquisition Over Multipath Wireless Channels, ISIT, Seoul, Korea, June 2009.
W. Bajwa, J. Haupt, A. Sayeed, and R. Nowak, Compressed Channel Sensing: A New Approach to Estimating Sparse Multipath Channels, submitted to the Proceedings of the IEEE, 2009.
Z. Hong, K. Liu, N. Boston and A. Sayeed, Algebraic Number Precoding for Space-Time Block Codes, IEEE Transactions on Information Theory, June 2009.
T. Sivanadyan and A. Sayeed, Active Wireless Sensing: A Versatile Framework For Information Retrieval in Sensor Networks, IEEE Transactions on Signal Processing, April 2009.
W. Bajwa, A. Sayeed and R. Nowak, Sparse Multipath Channels: Modeling and Estimation, IEEE 2009 DSP Workshop, Marco Island, FL, Jan 2009.

2008

W. Bajwa, A. Sayeed and R. Nowak, Compressed Sensing of Wireless Channels in Time, Frequency, and Space, 2008 Asilomar Conference, Oct 2008.
E. Kang and A. Sayeed, Interpolated Linear Precoding and Space-Frequency Coding for MIMO-OFDM Systems, 2008 Asilomar Conference, Oct 2008.
T. Sivanadyan and A. Sayeed, Space-Time Reversal Techniques for Wideband MIMO Communication, 2008 Asilomar Conference, Oct 2008.
V. Raghavan, V. Veeravalli, and A. Sayeed, Quantized Multimode Precoding in Spatially Correlated Multi-Antenna Channels, IEEE Transactions on Signal Processing, pp. 6017-6030, Dec 2008.
W. Bajwa, A. Sayeed, and R. Nowak, Learning Sparse Doubly-Selective Channels, Allerton 2008. (extended technical report.)
V. Raghavan, J. Kotecha, and A. Sayeed, Does the Kronecker Model Result in Misleading Capacity Estimates?, submitted to the IEEE Transactions on Information Theory, July 2008.
M. Matthaiou, Y. Kopsinis, D. Laurenson, and A. Sayeed, Novel Ergodic Capacity Upper Bound for Dual-Branch MIMO Ricean Systems, submitted to the IEEE Transactions on Communications, July 2008.
T. Sivanadyan and A. Sayeed, Space-Time Reversal Techniques for Information Retrieval in Wireless Sensor Networks, SenSiP, May 2008.
V. Raghavan, A. Sayeed, and V. Veeravalli, Low-Complexity Structured Precoding for Spatially Correlated MIMO Channels, submitted to the IEEE Transactions on Information Theory, May 2008.
V. Raghavan, A. Sayeed, and V. Veeravalli, Structured Statistical Precoding for Correlated MIMO Channels, ISIT 2008.
G. Hariharan, V. Raghavan and A. Sayeed, Capacity of Sparse Wideband Channels with Limited Feedback, ISIT 2008.
E. Kang and A. Sayeed, Precoder Codebook Design for Linear Dispersion Codes in Spatially and Temporally Correlated MIMO Channels, ICASSP 2008.
G. Hariharan, V. Raghavan, and A. Sayeed, Capacity of Sparse Wideband Channels with Partial Channel Feedback, European Transactions on Telecommunications (special issue on New Directions in Information Theory), Apr. 2008.
A. Sayeed and A. Perrig, Secure Wireless Communications: Secret Keys Through Multipath, ICASSP 2008.
V. Raghavan, A. Sayeed, and J. Kotecha, Impact of Mismatched Statistics on Correlated MIMO Capacity, ICASSP 2008.

2007

V. Raghavan, G. Hariharan and A. Sayeed, Capacity of Sparse Multipath Channels in the Ultra-Wideband Regime, IEEE Journal on Special Topics in Signal Processing (special issue on Performance Limits of Ultra-Wideband Systems), pp. 357-371, Oct. 2007.
W. Bajwa, J. Haupt, A. Sayeed, R. Nowak, Joint Source-Channel Communication for Distributed Estimation in Sensor Networks, IEEE Transactions on Information Theory (special issue on Models, Theory and Codes for Relaying and Cooperation in Communication Networks), pp. 3629-2653, Oct. 2007.
V. Raghavan, R. Heath, and A. Sayeed, Systematic Codebook Designs for Quantized Beamforming in Correlated MIMO Channels, IEEE JSAC (special issue on Optimization of MIMO Transceivers for Realistic Communication Networks), pp. 1298-1310, September 2007.
G. Hariharan and A. Sayeed, Non-coherent Wideband Capacity of Sparse Multipath Channels with Limited Feedback, 45-th Annual Allerton Conference, September 2007.
T. Sivanadyan and A. Sayeed, Active Wireless Sensing in Multipath Environments, IEEE SSP Workshop, August 2007.
V. Raghavan, A. Sayeed and V. Veeravalli, Limited Feedback Codebook Design for Spatially Correlated MIMO Channels, CISS 2007, pp. 113-118, March 2007.
Y. Zhou and A. Sayeed, Statistically Adaptive Spatial Multiplexing for Time-Varying Correlated MIMO Channels, submitted to the IEEE Journal on Selected Topics in Signal Processing (special issue on MIMO-Optimized Transmission Systems for Delivering Data and Rich Content), March 2007.
K. Liu, H. El Gamal, A. Sayeed, Decentralized Inference Over Multiple Access Channels, IEEE Transactions on Signal Processing, pp. 3445-3455, July 2007.
A. Sayeed and V. Raghavan, Maximizing MIMO Capacity in Sparse Multipath with Reconfigurable Antenna Arrays, IEEE Journal on Special Topics in Signal Processing (special issue on Adaptive Waveform Design for Agile Sensing and Communication), pp. 156-166, June 2007.
A. Sayeed and V. Raghavan, On the Impact of Reconfigurable Antenna Arrays in Cognitive Radio, ICASSP 2007.
K. Liu and A. M. Sayeed, Type-based Decentralized Detection in Wireless Sensor Networks, IEEE Transactions on Signal Processing, pp. 1899-1910, May, 2007.
Y. Zhou, M. Herdin, A. Sayeed and E. Bonek, Experimental Study of MIMO Channel Statistics and Capacity via the Virtual Channel Representation, working paper. UW Technical Report, February 2007.
G. Hariharan and A. Sayeed, Non-coherent Capacity and Reliability of Sparse Multipath Channels in the Wideband Regime, 2nd ITA Workshop, UCSD, Jan 2007.

2006

V. Raghavan and A. Sayeed, Weak Convergence and Rate of Convergence of MIMO Capacity Random Variable, IEEE Transactions on Information Theory, August 2006.
A. Sayeed and T. Sivanadyan, Source-Channel Communication Protocols and Tradeoffs in Active Wireless Sensing, Proc. Allerton 2006.
G. Hariharan and A. Sayeed, Minimum Probability of Error in Sparse Wideband Channels, 44-th Annual Allerton Conference, September 2006.
A. Sayeed, Sparse Multipath Wireless Channels: Modeling and Implications, ASAP 2006.
W. Bajwa, J. Haupt, A. Sayeed and R. Nowak, A Universal Matched Source-Channel Communication Scheme for Wireless Sensor Networks, Proc. ICASSP 2006.
T. Sivanadyan and A. Sayeed, Active Wireless Sensing: Space-Time Information Retrieval from Sensor Ensembles, Proc. ICASSP 2006.
W. Bajwa, J. Haupt, A. Sayeed and R. Nowak, Compressive Wireless Sensing, Proc. IPSN 2006.
T. Sivanadyan and A. Sayeed, Active Wireless Sensing for Rapid Information Retrieval in Sensor Networks, Proc. IPSN 2006.
A. Sayeed and V. Raghavan, The Ideal MIMO Channel: Maximizing Capacity in Sparse Multipath with Reconfigurable Arrays, Proc. ISIT 2006.
V. Raghavan, A. Sayeed and N. Boston, Near-optimal Codebook Constructions for Limited-feedback Beamforming in Correlated MIMO Channels, Proc. ISIT 2006.
Z. Yan and A. Sayeed, Probability of Error and Capacity of Multipolarization Antenna Systems for Downlink Mobile Communications, IEEE Transactions on Vehicular Technology, pp. 256-269, January 2006.

2005

K. Liu and A. Sayeed, An Iterative Extension of BLAST Decoding Algorithm for Layered Space-Time Signals, IEEE Transactions on Communications, pp. 1754-1761, October 2005.
V. Raghavan, G. Hariharan, and A.M. Sayeed, Exploiting Time-Frequency Coherence to Achieve Coherent Capacity in Wideband Wireless Channels, 43rd Allerton Conference, September 2005.
V. Raghavan and A. Sayeed, Achieving Coherent Capacity of Correlated MIMO Channels in the Low-power Regime with Non-flashy Signaling Schemes, IEEE ISIT, September 2005.
Y. Zhou, S. Rondineau, D. Popovic, A. Sayeed, Z. Popovic, Virtual Channel Space-Time Processing with Dual-Polarization Discrete Lens Arrays, IEEE Transactions on Antennas and Propagation (special issue on Antenna and Propagation Applications), pp. 2444-2455, August 2005.
K. Liu, H. El Gamal, and A. Sayeed, On Optimal Parametric Field Estimation in Sensor Networks, IEEE SSP Workshop, July 2005.
V. Veeravalli, Y. Liang, and A. Sayeed, Correlated MIMO Wireless Channels: Capacity, Optimal Signaling and Asymptotics, IEEE Transactions on Information Theory, June 2005.
J. Zhang, A. Sayeed, and B. Van Veen, Reduced-State MIMO Sequence Detection With Application to EDGE Systems, IEEE Transactions on Wireless Communications, pp. 1040-1049, May 2005.
W. Bajwa, A. Sayeed, and R. Nowak, Matched Source-Channel Communication for Field Estimation in Wireless Sensor Networks, IPSN'05, April 2005.
J. Kotecha, V. Ramachandran, and A. Sayeed, Distributed Multi-target Classification in Wireless Sensor Networks, IEEE J. Selected Areas in Communications, April 2005.

2004

K. Liu, T. Kadous, and A. Sayeed, Orthogonal Time-Frequency Signaling Over Doubly Dispersive Channels, IEEE Transactions on Information Theory, pp. 2583-2603, Nov. 2004.
J. Zhang, A. Sayeed, B. Van Veen, Optimal Space-Time Transceiver Design for Selective Wireless Broadcast with Channel State Information, IEEE Transactions on Wireless Communications, pp. 2040-2050 , Nov. 2004.
A. Sayeed, V. Raghavan, J. Kotecha, Capacity of Space-Time Wireless Channels: A Physical Perspective, 2004 IEEE Information Theory Workshop, 6 pages, San Antonio, TX, October 2004.
K. Liu and A. Sayeed, Optimal Distributed Detection Strategies for Wireless Sensor Networks, 42nd Annual Allerton Conference on Communications, Control and Computing, Monticello, IL, October 2004.
A. Sayeed, J. Kotecha, and Z. Hong, Capacity-Optimal Structured Linear Dispersion Codes for Correlated MIMO Channels, IEEE Vehicular Technology Conference, Fall 2004, 6 pages, Los Angeles, CA, September 2004.
A. D'Costa, V. Ramachandran, A. Sayeed, Distributed Classification of Gaussian Space-Time Sources in Wireless Sensor Networks, IEEE J. Selected Areas in Communications (special issue on Fundamental Performance Limits of Wireless Sensor Networks), pp. 1026-1036, Aug. 2004.
T. Kadous and A. Sayeed, An Integrated Framework for OFDM Reception in the Presence of Phase Noise, Frequency Offsets, and Fast Fading, IEEE Transactions on Wireless Communications, pp. 1224-1235, July 2004.
K. Liu and A. Sayeed, Space-Time D-Block Codes Via the Virtual MIMO Channel Representation, IEEE Transactions on Wireless Communications, pp. 982-991, May 2004.
K. Liu and A. Sayeed, Asymptotically Optimal Decentralized Type-Based Detection in Wireless Sensor Networks, 2004 International Conference on Acoustics, Speech and Signal Processing, pp. iii: 873-876, Montreal, Canada, May 2004.
A. Sayeed, Fundamental Dependencies in Angle-Delay -Doppler in Wireless Channels, 2004 International Conference on Acoustics, Speech, and Signal Processing, pp. iii:813-816, Montreal, Canada, May 2004.
J. Kotecha and A. Sayeed, Canonical Statistical Modeling and Capacity Analysis of Correlated MIMO Fading Channels, UW-ECE Technical Report, Feb 2004.
J. Kotecha and A. Sayeed, Transmit Signal Design for Optimal Estimation of Correlated MIMO Channels, IEEE Transactions on Signal Processing, pp. 546-557, Feb. 2004.

2003

T. Deckert and A. Sayeed, A Continuous Representation of Multi-Antenna Fading Channels and Implications for Capacity Scaling and Optimum Array Design, IEEE GLOBECOM, (6 pages), San Francisco, CA, Nov. 2003.
A. Sayeed, A Virtual MIMO Channel Representation and Applications, MILCOM 2003, pp. 615-620, October 2003.
K. Liu, V. Raghavan and A. Sayeed, Capacity Scaling and Spectral Efficiency in Wideband Correlated MIMO Channels, IEEE Transactions on Information Theory (special issue on MIMO systems), pp. 2504-2526, October 2003.
A. Sayeed, A Statistical Signal Modeling Framework for Sensor Networks, UW-ECE Tech. Report, Oct. 2003.
A. Sayeed, Consilient Physical Principles in Wireless Networks, 41-st Annual Allerton Conference on Communications, Control and Computing, 10 pages, Monticello, IL, October 2003.
R. Brooks, P. Ramanathan and A. Sayeed, Distributed Target Classification and Tracking in Sensor Networks, Proc. IEEE, pp. 1163-1171, August 2003.
Z. Hong, K. Liu, R. Heath, A. Sayeed, Spatial Multiplexing in Correlated Fading via the Virtual Channel Representation, IEEE Journal on Selected Areas in Communications (special issue on MIMO Systems and Applications), pp. 856-866, June 2003.
A. Ganesan and A. Sayeed, A Virtual Input-Output Framework for Transceiver Analysis and Design for Multipath Fading Channels, IEEE Transactions on Communications, pp. 1149-1161, June 2003.
A. Sayeed, A Virtual Representation for Time- and Frequency-Selective Correlated MIMO Channels, ICASSP 2003, vol. 4., pp. 648-651.
A. D'Costa and A. Sayeed, Collaborative Signal Processing for Distributed Classification in Sensor Networks, 2nd International Workshop on Information Processing in Sensor Networks (IPSN '03), pp. 392-404, April 22-23, 2003, Palo Alto, CA.
E. Onggosanusi, A. Sayeed, and B. Van Veen, Efficient Signaling Schemes for Wideband Space-Time Wireless Channels Using Channel State Information, IEEE Transactions on Vehicular Technology, pp. 1-13, Jan. 2003.

2002

A. Sayeed and V. Raghavan, Power Laws in the Eigenvalue Distribution of MIMO Wireless Channels, 40th Annual Allerton Conference on Communications, Control and Computing, 10 pages, Monticello, IL, October 2004.
A. Sayeed, Deconstructing Multi-antenna Fading Channels, IEEE Transactions on Signal Processing (special issue on MIMO Systems), pp. 2563-2579, October 2002.
A. Sayeed and V. Veeravalli, Essential Degrees of Freedom in a Space-Time Fading Channels, 13th International Conference on Personal, Indoor and Mobile Radio Communications (PIMRC 2002), Lisbon, Portugal, vol. 4, pp. 1512-1516, September 2002.
M. Baissas and A. Sayeed, Pilot-Based Estimation of Time-Varying Multipath Channels for Coherent CDMA Receivers, IEEE Transactions on Signal Processing, pp. 2037-2049, August 2002.
E. Onggosanusi, A. Sayeed, and B. Van Veen, Multiaccess Interference Suppression in Canonical Space-Time Coordinates: A Decentralized Approach, IEEE Transactions on Communications, pp. 833-844, May 2002.
D. Li, K. Wong, Y. Hu, and A. Sayeed, Detection, Classification and Tracking of Targets in Distributed Sensor Networks, IEEE Signal Processing Magazine, pp. 17-29, March 2002.
E. Onggosanusi, A. Sayeed, and B. Van Veen, Optimal Antenna Diversity Signaling for Wideband Systems Utilizing Channel Side Information, IEEE Transactions on Communication, pp. 341-353, February 2002.

2001

Too busy writing proposals!

2000

T. Kadous and A. Sayeed, Decentralized Multiuser Detection for Time-Varying Multipath Channels, IEEE Transactions on Communications, pp. 1840-1852, November 2000.
E. Onggosanusi, A. Sayeed and B. Van Veen, Canonical Space-Time Processing for Wireless Communications, IEEE Transactions on Communications, pp. 1669-1680, October 2000.
B. D. Van Veen, A. M. Sayeed, E. N. Onggosanusi, Interference Resistant Blind Acquisition and Channel Estimation for CDMA Communication Systems, 2000 IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP 2000), Vol V, pp. 2913-2
916, June 2000.
S. Bhashyam, A. Sayeed, and B. Aazhang, Time-Selective Signaling and Reception over Multipath Fading Channels, IEEE Transactions on Communications, pp. 83-94, January 2000.

1999

B. Krongold, A. Sayeed, M. Moehring, J. Ritcey, M. Spencer, and D. L. Jones, Time-Scale Detection of Microemboli in Flowing Blood with Doppler Ultrasound,'' IEEE Transactions on Biomedical Engineering, pp. 1081-1089, September 1999.
E. N. Onggosanusi, A. M. Sayeed and B. D. Van Veen, Low-Complexity Space-Time Multiuser Detectors, IEEE Wireless Communications and Networks Conference 1999 , New Orleans, September 1999.
A. Sayeed, E. Onggosanusi and B. Van Veen, A Canonical Space-Time Characterization of Mobile Wireless Channels, IEEE Communications Letters, pp. 94-96, April 1999.
A. Sayeed and B. Aazhang, Joint Multipath-Doppler Diversity in Mobile Wireless Communications, IEEE Transactions on Communications, pp. 123-132, January 1999.

1998

A. Sayeed, A. Sendonaris, and B. Aazhang, Multiuser Detection in Fast Fading Multipath Environments, IEEE Journal on Selected Areas in Communications (special issue on Signal Processing for Wireless Communications), pp. 1691-1701, December 1998.
J. G. Gallaire and A. M. Sayeed, Interference-Resistant Detection Based on Time-Frequency Subspaces, 1998 IEEE International Symposium on Time-Frequency and Time-Scale Analysis, Pittsburg, PA, October 1998.
J. G. Gallaire and A. M. Sayeed, Wavelet-Based Empirical Wiener Filtering, 1998 IEEE International Symposium on Time-Frequency and Time-Scale Analysis, Pittsburg, PA, October 1998.
A. M. Sayeed and B. Aazhang, Multiuser Timing Acquisition over Multipath Fading Channels, 1998 Conference on Information Sciences and Systems - CISS '98, Princeton, NJ.

1997

A. M. Sayeed and B. Aazhang, Communications over Multipath Fading Channels: A Time-Frequency Perspective, in Wireless Communications: CDMA versus TDMA (S. G. Glisic and P. A. Leppanen eds.), pp. 73-98, Kluwer Academic Publishers, 1997. (Also presented at PIMRC'97)
A. M. Sayeed, Data-Driven Time-Frequency and Time-Scale Detectors, Proceedings of SPIE's 42nd Meeting, San Diego, July 1997.
S. P. Ghael, A. M. Sayeed and R. G. Baraniuk, Improved Wavelet Denoising via Empirical Wiener Filtering, Proceedings of SPIE's 42nd Meeting, San Diego, July 1997.
A. Sayeed, On the Equivalence of the Operator and Kernel Methods for Joint Distributions of Arbitrary Variables, IEEE Transactions on Signal Processing, pp. 1067-1070, April 1997.

1996

A. Sayeed and D. Jones, Equivalence of Generalized Joint Signal Representations of Arbitrary Variables, IEEE Transactions on Signal Processing, pp. 2950-2970, December 1996.
A. Sayeed and D. Jones, Optimum Quadratic Detection and Estimation Using Generalized Joint Signal Representations, IEEE Transactions on Signal Processing, pp. 3031-3043, December 1996.
A. Sayeed and D. Jones, Integral Transforms Covariant to Unitary Operators and their Implications for Joint Signal Representations, IEEE Transactions on Signal Processing, pp. 1365-1377, June 1996.
B. Samimy, G. Rizzoni, A. M. Sayeed and D. L. Jones, Design of Training Data-Based Quadratic Detectors with Application to Mechanical Systems, 1996 IEEE International Conference on Acoustics, Speech and Signal Processing - ICASSP '96, Atlanta, GA, vol. 3, pp. 1767-1770.
A. M. Sayeed and D. L. Jones, Optimal Reduced-Rank Time-Frequency/Time-Scale Quadratic Detectors, 1996 IEEE International Symposium on Time-Frequency and Time-Scale Analysis, Paris, France, pp. 209-212.
A. M. Sayeed and D. L. Jones, Time-Frequency Detectors, 1996 Conference on Information Sciences and Systems - CISS '96, Princeton, NJ.
A. Sayeed and D. Jones, A Canonical Covariance-Based Method for Generalized Joint Signal Representations, IEEE Signal Processing Letters, pp. 121-123, April 1996.

1995

A. Sayeed, P. Lander, and D. Jones, Improved Time-Frequency Filtering of Signal-Averaged Electrocardiograms, Journal of Electrocardiology, vol. 28, pp. 53-58, Supplement, 1995.
A. Sayeed and D. Jones, Optimal Detection using Bilinear Time-Frequency and Time-Scale Representations, IEEE Transactions on Signal Processing, pp. 2872-2883, December 1995. Corrections.
A. Sayeed and D. Jones, Optimal Kernels for Nonstationary Spectral Estimation, IEEE Transactions on Signal Processing, pp. 478--491, February 1995.

The research work reported in these publications was partly supported by funding from NSF, ONR, and DARPA. The results or finding in these publications reflect the views of the authors and do not necessarily reflect the views of the NSF, ONR, or DARPA.