Publications

Journal

  1. Piya Pal and P. P. Vaidyanathan, Nested arrays: a novel approach to array processing with enhanced degrees of freedom, IEEE Trans. on Signal Processing, vol. 58, pp. 4167--4181, August 2010.
  2. Piya Pal and P. P. Vaidyanathan, Coprimality of Certain Families of Integer Matrices, IEEE Trans. on Signal Processing, vol. 59, pp. 1481--1490, April 2011.
  3. Piya Pal and P. P. Vaidyanathan, Multiple Level Nested Array: An efficient geometry for 2qth order cumulant based array processing, IEEE Transactions on Signal Processing, vol.60, no.3, pp.1253-1269, March 2012.
  4. Piya Pal and P. P. Vaidyanathan, Nested Arrays in Two Dimensions, Part I: Geometrical Considerations, IEEE Trans. on Signal Processing, vol.60, no.9, pp.4694-4705, Sept. 2012.
  5. Piya Pal and P. P. Vaidyanathan, Nested Arrays in Two Dimensions, Part II: Application to Two Dimensional Array Processing, IEEE Trans. on Signal Processing, vol.60, no.9, pp.4706-4718, Sept. 2012.
  6. Piya Pal and P. P. Vaidyanathan, "Pushing the Limits of Sparse Support Recovery Using Correlation Information", submitted.
  7. Piya Pal and P. P. Vaidyanathan, "A Grid-less approach to Underdetermined Direction of Arrival Estimation via Low Rank Matrix Denoising", accepted for publication in IEEE Signal Processing Letters.
  8. Qi Cheng, Piya Pal, Masashi Tsuji and Yingbo Hua, "Detecting More Sources than Sensors Using Outer-Products of Array Output", submitted. (Code)
  9. P. P. Vaidyanathan and Piya Pal, Sparse Sensing With Co-Prime Samplers and Arrays, IEEE Trans. on Signal Processing, vol. 59, pp. 573--586, Feb. 2011.
  10. P. P. Vaidyanathan and Piya Pal, Theory of sparse coprime sensing in multiple dimensions, IEEE Transactions on Signal Processing, Vol. 59, No. 8, Aug. 2011.
  11. P. P. Vaidyanathan and Piya Pal, A General Approach to Coprime Pairs of Matrices, Based on Minors, IEEE Transactions on Signal Processing, vol. 59, No. 8, Aug. 2011.
  12. P. P. Vaidyanathan and Piya Pal, System Identification With Sparse Coprime Sensing, Signal Processing Letters, IEEE , vol.17, no.10, pp.823-826, Oct. 2010.
  13. P. P. Vaidyanathan and Piya Pal, Generating New Commuting Coprime Matrix Pairs From Known Pairs, Signal Processing Letters, IEEE , vol.18, no.5, pp.303-306, May 2011.

Conference Proceedings

  1. Piya Pal and P. P. Vaidyanathan, "Soft-Thresholding for Spectrum Sensing with Coprime Samplers", Invited paper at IEEE Sensor Array and Multichannel Signal Processing Workshop (SAM), 2014.
  2. Piya Pal and P. P. Vaidyanathan, "Parameter Identifiability in Sparse Bayesian Learning", ICASSP, 2014.
  3. Piya Pal and P. P. Vaidyanathan, "Conditions for Identifiability in Sparse Spatial Spectrum Sensing". Invited paper at EUSIPCO, Marrakech, Sep. 2013.
  4. Piya Pal and P. P. Vaidyanathan, "Correlation Aware Sparse Support Recovery: Gaussian Sources", presented at ICASSP, Vancouver, May 2013.
  5. Piya Pal and P. P. Vaidyanathan, Correlation Aware Techniques for Sparse Support Recovery, IEEE Statistical Signal Processing Workshop (SSP), 2012, pp.53-56, 5-8 Aug. 2012.
  6. Piya Pal and P. P. Vaidyanathan, ``On Application of LASSO for Sparse Support Recovery With Imperfect Correlation Awareness”, 46th Asilomar Conference on Signals, Systems and Computers, 2012, Nov. 4-7, 2012 (to appear).
  7. Piya Pal and P. P. Vaidyanathan, Non-Uniform Linear Arrays for Improved Identifiability in Cumulant Based DOA Estimation, 45th Asilomar Conference on Signals, Systems and Computers, 2011 (Winner of the 3rd Prize in Best Student Paper Contest).
  8. Piya Pal and P. P. Vaidyanathan, Coprime sampling and the MUSIC algorithm, IEEE DSP Workshop, Sedona, AZ, January 2011 (Winner of Best Student Paper Award).
  9. Piya Pal and P. P. Vaidyanathan, Two Dimensional Nested Arrays on Lattices, ICASSP, May, Prague, 2011.
  10. Piya Pal and P. P. Vaidyanathan, A novel array structure for directions-of-arrival estimation with increased degrees of freedom, Proc. ICASSP., Dallas, March 2010.
  11. Piya Pal and P. P. Vaidyanathan, Beamforming using passive nested arrays of sensors, Proc. IEEE Int. Symp. Circuits and Systems, Paris, May-June 2010.
  12. Piya Pal and P. P. Vaidyanathan, Efficient Frequency Invariant Beamforming using Virtual Arrays, 44th Asilomar Conf. on Signals, Systems and Computers, 2010.
  13. Piya Pal and P.P. Vaidyanathan, A novel autofocusing approach for estimating directions-of-arrival of wideband signals, 43rd Asilomar Conf. on Signals, Systems and Computers, pp.1663-1667, Nov. 2009.
  14. Piya Pal and P. P. Vaidyanathan, Frequency invariant MVDR Beamforming without filters and implementation using MIMO radar, Proc. ICASSP, Taipei, April 2009. (finalist for Best Student Paper Award).
  15. P. P. Vaidyanathan and Piya Pal, MIMO radar, SIMO radar, and IFIR radar: a comparison, Proc. 43rd Asilomar Conference on Signals, Systems, and Computers, Monterey, CA, Nov. 2009.
  16. P. P. Vaidyanathan and Piya Pal, Sparse sensing with coprime arrays, Proc. 44th Asilomar Conference on Signals, Systems, and Computers, Monterey, CA, Nov. 2010.
  17. P. P. Vaidyanathan and Piya Pal, Adjugate pairs of sparse arrays for sampling two-dimensional signals, Proc. IEEE Int. Conf. Acoust. Speech, and Signal Proc., Prague, Czech Republic, May 2011.
  18. P. P. Vaidyanathan and Piya Pal, Coprime sampling for system stabilization with FIR multirate controllers, Proc. 45th Asilomar Conference on Signals, Systems, and Computers, Monterey,CA, Nov. 2011.