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, "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,” Asilomar Conference, October 2008.

• T. Sivanadyan and A. Sayeed, “Space-Time Reversal Techniques for Wideband MIMO Communication,” Asilomar Conference, October 2008.

• J. Haupt, W.U. Bajwa, G. Raz, and R. Nowak, “Toeplitz compressed sensing matrices with applications to sparse channel estimation,” Submitted to IEEE Trans. Inform. Theory, Sep. 2008.

• W.U. Bajwa, A.M. Sayeed, and R. Nowak, “Learning sparse doubly-selective channels,” in Proc. 46th Annu. Allerton Conf. Communication, Control, and Computing, Monticello, IL, Sep. 23-26, 2008. (Extended Version: UW-Madison Tech. Report ECE-08-02, Jun. 2008)

• B. Eriksson, P. Barford, R. Nowak, "Network Discovery from Passive Measurements", Proceedings of ACM SIGCOMM Conference, August 2008.

• A. Sayeed and A. Perrig, "Secure Wireless Communications: Secret Keys Through Multipath," ICASSP 2008, April 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.

• R. Castro, J. Haupt, R. Nowak and G. Raz, "Finding Needles in Noisy Haystacks", to appear in Proceedings of the IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP), Las Vegas, Nevada, March-April 2008.

• J. Haupt, W.U. Bajwa, M. Rabbat, and R. Nowak, “Compressed sensing for networked data,” IEEE Signal Processing Mag., vol. 25, no. 2, pp. 92-101, Mar. 2008.

• W.U. Bajwa, J. Haupt, G. Raz, and R. Nowak, “Compressed channel sensing,” in Proc. 42nd Annu. Conf. Information Sciences and Systems (CISS '08), Princeton, NJ, Mar. 19-21, 2008, pp. 5-10.

• Z. Harmany, R. Willett, A. Singh and R. Nowak, "Controlling the error in fMRI: Hypothesis testing or Set Estimation?", ISBI 2008, accepted.

• A. Bolstad, B. Van Veen, and R. Nowak, "Space-Time Sparse Reconstruction for Magneto-/Electroencephalography", submitted to NeuroImage.

• P. Ramanathan and A. Singh, "Delay-differentiated Gossiping in Delay Tolerant Networks", ICC 2008, accepted.

2007

• A. Singh, C. Scott and R. Nowak, "Adaptive Hausdorff Estimation of Density Level Sets", submitted to Annals of Statistics. Extended version "TR ECE-07-06".

• B. Eriksson, P. Barford, R. Nowak, M. Crovella, "Learning Network Structure From Passive Measurements," Presented at the Internet Measurement Conference (IMC 2007), October 2007.

• T. Sivanadyan and A. Sayeed, “Active Wireless Sensing: A Versatile Framework for Information Retrieval in Sensor Networks,” submitted to IEEE Transactions on Signal Processing, July 2007.

• R. Castro and R. Nowak, "Minimax Bounds for Active Learning", accepted for publication in IEEE Transactions on Information Theory.

• V. Raghavan, G. Hariharan and A. Sayeed, “Capacity of Sparse Multipath Channels in the Ultra-Wideband Regime,” to appear in IEEE Journal on Selected Topics in Signal Procesing: Special Issue on Performance Limits of Ultra-Wideband Systems, October 2007.

• W.U. Bajwa, J. Haupt, A.M. Sayeed, and 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, vol. 53, no. 10, pp. 3629-3653, Oct. 2007.

• J.D. Wierer, W.U. Bajwa, N. Boston, and R. Nowak “Characterizing decoding robustness under parametric channel uncertainty,” in Proc. 45th Annual Allerton Conf. on Communication, Control, and Computing, Monticello, IL, Sep. 26-28, 2007, pp. 935-939.

• A. Bolstad, B. Van Veen, R. Nowak, “Magneto-/Electroencephalography with Space-Time Sparse Priors,” in Proc. IEEE Workshop on Statistical Signal Processing (SSP '07), Madison, WI, Aug. 26-29, 2007, pp. 190-194.

• W.U. Bajwa, J. Haupt, G. Raz, S.J. Wright, and R. Nowak, “Toeplitz-structured compressed sensing matrices,” in Proc. IEEE Workshop on Statistical Signal Processing (SSP '07), Madison, WI, Aug. 26-29, 2007, pp. 294-298.

• J. Goodman, B. Miller, G. Raz, and A. Bolstad, “Variable Projection and Unfolding in Compressed Sensing,” in Proc. IEEE Workshop on Statistical Signal Processing (SSP '07), Madison, WI, Aug. 26-29, 2007, pp. 358-362.

• T. Sivanadyan and A. Sayeed, “Active Wireless Sensing in Multipath Environments,” in Proc. IEEE Workshop on Statistical Signal Processing (SSP '07), Madison, WI, Aug. 26-29, 2007, pp. 378-382.

• G. Hariharan, V. Raghavan and A. Sayeed, “Capacity of Sparse Wideband Channels with Partial Channel Feedback,” submitted European Transactions on Telecommunications: Special Issue on New Directions in Information Theory.

• R. Castro and R. Nowak, "Minimax Bounds for Active Learning", to appear in Proceedings of the 20th Annual Conference on Learning Theory - COLT 2007, San Diego, California, June 2007 (please read the following errata)

• J.D. Wierer and N. Boston, "A handwritten digit recognition algorithm using two-dimensional hidden Markov models for feature extraction", to appear in IEEE Intl. Conf. on Acoustics, Speech, and Signal Processing (ICASSP ’07).

• A. Bolstad, B. Van Veen, and R. Nowak, "Space-Time Sparsity Regularization for the Magnetoencephalography Inverse Problem," International Symposium on Biomedical Imaging (ISBI 2007), Arlington, VA, 12-15 Apr. 2007.

• L. Balzano and R. Nowak, "Blind Calibration of Sensor Networks," In the proceedings of IPSN, April 2007.

• K.C. Wong, W. Y. Lin, Y.H. Hu, N. Boston, and X. Zhang, “Optimal linear combination of facial regions for improving identification performance" to appear in IEEE Transactions SMC Part-B.

• J.D.Wierer and N.Boston "Newton polytopes of two-dimensional hidden Markov models", to appear in Experimental Math.

• N.Boston, "Graph-based codes", to appear in Recent Trends in Coding Theory and Its Applications, AMS/IP applied math monograph series.

• G.Hariharan and A.Sayeed, "Non-Coherent Capacity and Reliability of Sparse Multipath Channels in the Wideband Regime," proceedings of the 2nd Information Theory and Applications (ITA) Workshop, January 2007.

2006

• J. Haupt, R. Castro, R. Nowak, G. Fudge and A. Yeh, "Compressive Sampling for Signal Classification", in 40th Asilomar Conference on Signal, Systems and Computers, Pacific Grove, California, October 2006.

• A. Sayeed and T. Sivanadyan, "Source-Channel Communication Protocols and Tradeoffs in Active Wireless Sensing", in Proceedings of the 44th Annual Allerton Conference on Communication, Control and Computing, September 2006.

• G. Hariharan and A. M. Sayeed, "Minimum Probability of Error in Sparse Wideband Channels", in Proceedings of the 44th Annual Allerton Conference on Communication, Control and Computing, September 2006.

• R. Castro and R. Nowak, "Upper and Lower Bounds for Active Learning", in Proceedings of the 44th Annual Allerton Conference on Communication, Control and Computing, Allerton House, University of Illinois, September 2006.

• T. Limpiti, B.D. Van Veen, and R.T. Wakai, "Cortical Patch Basis Model for Spatially Extended Neural Activity," IEEE Trans. Biomedical Engineering, vol. 53, pp. 1740-1754, September 2006.

• A. Bolstad, B. Van Veen, R. Nowak, and R. Wakai, "An expectation-maximization algorithm for space-time sparsity regularization of the MEG inverse problem," International Conference on Biomagnetism (BioMag 2006), Vancouver, B.C., Canada, 20-26 Aug. 2006.

• W.-Y. Lin, K.-C. Wong, Y.-H. Hu, and N. Boston, "Face recognition using 3D summation invariant features", appeared in ICME 2006, July 2006.

• V.Raghavan, A.M.Sayeed, and N.Boston, "Near-optimal codebook constructions for limited feedback beamforming in correlated MIMO channels with few antennas", appeared in ISIT 2006, July 2006.

• E.Kang, and A.M.Sayeed, "Versatile Precoder Codebook Design Method for Orthogonal Space-Time Block Codes", appeared in ISIT 2006, July 2006.

• E. J. Bond, B. D. Van Veen, and S. C. Hagness, "Multiple window based ultrawideband microwave imaging for early-stage breast cancer detection," "IEEE Sensor Array and Multi-Channel Signal Processing Workshop", Waltham, MA, pp. 127 - 131, Jul. 2006.

• A. Bolstad, B. Van Veen, and R. Nowak, "Beamforming Detectors with Subspace Side Information," Adaptive Sensor Array Processing (ASAP) Workshop, MIT Lincoln Laboratory, Lexington, MA, 6-7 Jun. 2006.

• W.-Y.Lin, K.-C.Wong, N.Boston, and Y.H.Hu, "Fusion of summation invariants in 3D human face recognition", appeared in CVPR 2006, June 2006.

• M. C. Converse, E. J. Bond, S. C. Hagness, and B. D. Van Veen, "A comparison of ultrawideband and narrowband microwave hyperthermia for breast cancer treatment," "IEEE Trans. Microwave Theory Tech." , vol. 54, no. 5, pp. 2169 - 2180, May 2006.

• M. Rabbat, M. Coates, and R. Nowak, "Multiple Source Internet Tomography," submitted to IEEE Journal on Selected Areas in Communications, May, 2006.

• T. Sivanadyan and A. M. Sayeed, "Active Wireless Sensing: Space-Time Information Retrieval from Sensor Ensembles", in Proceedings of IEEE Intl. Conf. on Acoustics, Speech, and Signal Processing (ICASSP ’06), Toulouse, France, May 14-19, 2006.

• J. C. Mundarath and J. Kotecha, "Zero-forcing Beamforming for Non-collaborative Space Division Multiple Access", in Proceedings of IEEE Intl. Conf. on Acoustics, Speech, and Signal Processing (ICASSP ’06), Toulouse, France, May 14-19, 2006.

• W.Y. Lin, K.C. Wong, N. Boston, and Y.H. Hu, “3D Human Face Recognition using Summation Invariants,” in IEEE Intl. Conf. on Acoustics, Speech, and Signal Processing (ICASSP ’06), Toulouse, France, May 14-19, 2006.

• R. Castro, J. Haupt, and R. Nowak, "Compressed Sensing vs. Active Learning", in Proceedings of IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP), Toulouse, France, May 2006.

• W.U. Bajwa, J. Haupt, A.M. Sayeed, and R. Nowak, “A universal matched source-channel communication scheme for wireless sensor ensembles,” in Proc. IEEE Intl. Conf. on Acoustics, Speech, and Signal Processing (ICASSP ’06), Toulouse, France, May 14-19, 2006, vol. 5, pp. 1153-1156.

• T. Sivanadyan and A. M. Sayeed, "Active Wireless Sensing for Rapid Information Retrieval in Sensor Networks", Proceedings of 5th International Conference on Information Processing in Sensor Networks (IPSN '06), Nashville, TN, April 19-21, 2006.

• A. Singh, R. Nowak, and P. Ramanathan, "Active Learning for Adaptive Mobile Sensing Networks", To appear in Proceedings of 5th International Conference on Information Processing in Sensor Networks (IPSN '06), Nashville, TN, April 19-21, 2006.

• M. Rabbat, J. Haupt, A. Singh, and R. Nowak, "Decentralized Compression and Predistribution via Randomized Gossip," to appear in Proceedings of 5th International Conference on Information Processing in Sensor Networks (IPSN '06), Nashville, TN, April 19-21, 2006.

• W.U. Bajwa, J. Haupt, A.M. Sayeed, and R. Nowak, "Compressive Wireless Sensing," in Proc. 5th Intl. Conf. on Information Processing in Sensor Networks (IPSN ’06), Nashville, TN, Apr. 19-21, 2006, pp. 134-142.

2005

• W.-Y.Lin, N.Boston, and Y.H.Hu, "Summation invariant features for 3D face recognition", appeared in MMSP 2005.

• S.Nitinawarat and N.Boston, "A complete analysis of space-time group codes", appeared in Proceedings of the 43rd Annual Allerton Conference on Communication, Control, and Computing 2005.

• A.Ganesan and N.Boston ``Universally decodable matrices", appeared in Proceedings of the 43rd Annual Allerton Conference on Communication, Control, and Computing 2005.

• V.Raganthan, A.Sayeed, and N.Boston, "When is limited feedback for transmit beamforming beneficial?", appeared in ISIT 2005.

• W.Y.Lin, N.Boston, and Y.H.Hu, "Summation invariant and its applications to shape recognition", appeared in ICASSP 2005.

• Q.Zhang and N.Boston, "A cryptanalytic method for embedding video watermarks", appeared in ICASSP 2005.

• N.Boston, "Pipelined IIR filter architecture using pole-radius minimization," Journal of VLSI Signal Processing, 39, 323-331, 2005.

• J. C. Mundarath, P. Ramanathan, and B.D. Van Veen, "A Cross Layer Scheme for Adaptive Antenna Array based Wireless Ad hoc Networks in Multipath Environments", To appear in ACM/Kluwer Journal on Wireless Networks.

• R. Willett and R. Nowak Multiscale Poisson Intensity and Density Estimation, submitted to IEEE Trans. Info. Theory.

• C. Scott and R. Nowak Learning Minimum Volume Sets, C. Scott and R. Nowak, University of Wisconsin Technical Report ECE-05-02. Shorter conference paper, Neural Information Processing Systems (NIPS), Dec. 2005.

• R. Castro, R. Willett and R. Nowak, "Faster Rates in Regression Via Active Learning", Neural Information Processing Systems (NIPS) 2005, (this is a shorter version of UW technical report ECE-05-3), Dec. 2005.

• A. Singh, P. Ramanathan and B. D. Van Veen, "Spatial Reuse through Adaptive Interference Cancellation in Multi-Antenna Wireless Ad Hoc Networks", Proceedings of Globecom, Nov. 2005.

• K. Liu, H. El-Gamal and A. Sayeed, "Decentralized Inference over Multiple Access Channels", submitted to the IEEE Trans. Signal Processing, Oct. 2005.

• V. Raghavan, G. Hariharan and A. M. Sayeed, "Exploiting Time-Frequency Coherence to Achieve Coherent Capacity in Wideband Wireless Channels", Proceedings of the 43rd Annual Allerton Conference on Communication, Control and Computing, Sep. 2005.

• K. Liu, H. El-Gamal and A. Sayeed,"On Optimal Parametric Field Estimation in Sensor Networks", Proc. 13th Workshop on Statistical Signal Processing, Bordeaux, France, July 2005.

• J. Haupt and R. Nowak, “Signal Reconstruction from Noisy Randomized Projections with Applications to Wireless Sensing,” Proceedings of the 13th Workshop on Statistical Signal Processing, Bordeaux, France, July 2005.

• S.K. Davis, S.C. Hagness, and B.D. Van Veen, “Ultrawideband microwave breast cancer detection: A detection-theoretic approach using the generalized likelihood ratio test,” IEEE Trans. Biomedical Engineering, vol. 52, pp. 1237-1250, July 2005.

• T. Limpiti, A.K. Bolstad, B.D. Van Veen, and R.T. Wakai, "Detection of Cortical Patch Activity in Beamspace using the Generalized Likelihood Ratio Test," Proc. 5th Intl. Conf. on Bioelectromagnetism and Intl. Symp. on Noninvasive Functional Source Imaging within the Human Brain and Heart (BEM&NFSI'05), Minneapolis ,MN, May 2005.

• M. Rabbat and R. Nowak, "Quantized incremental algorithms for distributed optimization", IEEE J. Selected Areas in Comm., 23(4), April, 2005.

• J. Kotecha, V. Ramachandran and A. Sayeed, "Distributed Multi-target Classification in Wireless Sensor Networks", IEEE J. Selected Areas in Comm., 23(4), April 2005.

• W.U. Bajwa, A.M. Sayeed, and R. Nowak, “Matched source-channel communication for field estimation in wireless sensor networks,” in Proc. 4th Intl. Conf. on Information Processing in Sensor Networks (IPSN ’05), Los Angeles, CA, Apr. 25-27, 2005, pp. 332-339.

• X. Li, E.J. Bond, S.C. Hagness, and B.D. Van Veen, “An overview of ultrawideband microwave imaging for breast cancer detection,” IEEE Antennas and Propagation Magazine, vol. 47, pp. 19-34, Feb. 2005.

2004

• R. Castro, M. Coates, G. Liang, R. Nowak and B. Yu, "Network Tomography: Recent Developments", Statistical Science, 2004.

• J. C. Mundarath, P. Ramanathan, and B.D. Van Veen, "NULLHOC : A MAC Protocol for Adaptive Antenna Array based Wireless Ad hoc Networks in Multipath Environments", Proceedings of IEEE Globecom, Nov-Dec 2004.

• K. Liu, T. Kadous and A. Sayeed, "Orthogonal Time-Frequency Signaling Over Doubly Dispersive Channels", IEEE Transactions on Information Theory, November 2004.

• J. A. Bucklew, S. Nitinawarat, and J. Wierer, "Universal Simulation Distributions", IEEE Transactions on Information Theory, Vol. 50, No. 11, pp. 2674-2685, November 2004.

• B. Baryshnikov, B.D. Van Veen, and R.T. Wakai, "Maximum likelihood estimation of low rank signals for multiepoch MEG/EEG analysis," IEEE Transactions on Biomedical Engineering, vol. 51, pp. 1981-1993, Nov. 2004.

• W.U. Bajwa, A.M. Sayeed, and R. Nowak, “Efficient communication strategies for distributed signal field estimation,” in Proc. 38th Asilomar Conf. on Signals, Systems and Computers, Pacific Grove, CA, Nov. 7-10, 2004, pp. 1371-1375

• A. Sayeed, V. Raghavan and A. Sayeed, "Capacity of Space-Time Wireless Channels: A Physical Perspective", IEEE Information Theory Workshop, October 2004.

• R. Castro, M. Coates and R. Nowak, "Likelihood Based Hierarchical Clustering", IEEE Transactions in Signal Processing, August 2004.

• M. C. Converse, E. J. Bond, S. C. Hagness, and B. D. Van Veen, "Ultrawideband microwave space-time beamforming for hyperthermia treatment of breast cancer: A computational study," "IEEE Trans. Microwave Theory Tech.", vol. 52, no. 8, pp. 1876 - 1889, Aug 2004.

• R. Castro, R. Willett and R. Nowak, "Coarse-to-Fine Manifold Learning", in Proceedings of IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP), Montreal, Canada, May 2004.

• M. Rabbat and R. Nowak, "Distributed optimization in sensor networks", IEEE/ACM Symp. on Information Processing in Sensor Networks, April, 2004.

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