# PUBLICATIONS

JOURNAL

1. Haider Ali Jasim Alshamary, Md Fahim Anjum, Tareq Al-Naffouri, Alam Zaib, and Weiyu Xu, Optimal non-coherent data detection for massive SIMO wireless systems with general constellations: A polynomial complexity solution, under review, 2016.
2.  Myung Cho, Kumar Vijay Mishra, and Weiyu Xu, New algorithms for precisely verifying the null space conditions in compressed sensing, under review, 2016
3.  Jun Geng, Weiyu Xu and Lifeng Lai, Estimation of correlated components in multivariate Gaussian models, under review, 2016.
4.  Myung Cho, Weiyu Xu and Lifeng Lai, Compressed hypothesis testing: to mix or not to mix?, under review, 2016.
5. Jun Geng, Weiyu Xu, and Lifeng Lai, Quickest Sequential Multi-Band Spectrum Sensing with Mixed Observations, accepted to IEEE Transactions on Signal Processing, August 2016
6. Alam Zaib, Mudassir Masood, Anum Ali, Weiyu Xu, and Tareq Y. Al-Naffouri, Distributed Channel Estimation and Pilot Contamination Analysis for Massive MIMO-OFDM Systems, accepted to IEEE Transactions on Communications, 2016.
7. Jian-Feng Cai, Xiaobo Qu, Weiyu Xu, and Gui-Bo Ye, Robust recovery of complex exponential signals from random Gaussian measurements via low rank Hankel matrix reconstruction, accepted to Applied and Computational Harmonic Analysis, 2016.
8. Myung Cho, Kumar Vijay Mishra, Jian-Feng Cai, and Weiyu Xu, Block Iterative Reweighted Algorithms for Super-Resolution of Spectrally Sparse Signals, accepted to IEEE Signal Processing Letters, 2015.
9. Yunlong Liu, Ryan Flynn, Yusung Kim, Sudershan Bhatia, John Buatti, Weiyu Xu, and Xiaodong Wu, Paddle-based rotating-shield brachytherapy, accepted to Medical Physics, 2015.
10.  Kumar Vijay Mishra, Myung Cho, Anton Kruger, and Weiyu Xu, Spectral super-resolution with prior knowledge, accepted to IEEE Transactions on Signal Processing, 2015.
11.  A. Khajehnejad, W. Xu, S. Avestimehr, and B. Hassibi, Improving the thresholds of sparse recovery: an analysis of a two-step reweighted Basis Pursuit algorithm, accepted to IEEE Transactions on Information Theory, 2015.
12.  Jian-Feng Cai and Weiyu Xu, Guarantees of total variation minimization for signal recovery, accepted to Information and Inference: a Journal of IMA,  2015.
13.  M. Wang, Weiyu Xu, E. Mallada and A. Tang, Sparse recovery with graph constraints, IEEE Transactions on Information Theory, vol. 61, no. 2, pp. 1028-1044, 2015.
14.  Weiyu Xu, Er-Wei Bai, and Myung Cho, Outliers and Random Noises in System Identification: a Compressed Sensing Approach, Automatica, vol. 50, no. 11, pp. 2905-2911,  2014.
15.  Babak Hassibi, Morten Hansen, Alexandros Georgios Dimakis, Haider Ali Jasim Alshamary and Weiyu Xu, Optimized Markov Chain Monte Carlo for signal detection in MIMO Systems: an analysis of stationary distribution and mixing Time, IEEE Transactions on Signal Processing, vol. 72, no. 17, pp. 4436-4450, 2014.
16. Er-Wei Bai, Kang Li, Wenxiao Zhao, and Weiyu Xu, Kernel Based Approaches to Local Nonlinear Non-parametric Variable Selection, Automatica, vol. 50, pp.100-113, 2014.
17. Weiyu Xu, M. Wang and A. Tang, Sparse recovery from nonlinear measurements with applications in bad data detection for power networks, IEEE Transactions on Signal Processing, vol. 61, no. 24, pp. 6175-6187, 2013
18. T. Al-Naffouri, A. Dahman, M. Sohail, W. Xu, and B. Hassibi, Low complexity blind equalization for OFDM systems with general constellations, IEEE Transactions on Signal Processing, vol. 60, no. 12, pp. 6395-6407, 2012.
19. T. Liu, W. Xu, P. Spincemaille, S. Avestimehr, and Y. Wang, Accuracy of the morphology enabled dipole inversion (MEDI) algorithm for quantitative susceptibility mapping in MRI, IEEE Transactions on Medical Imaging, vol. 31, no. 3, pp. 816-824, 2012.
20. W. Xu and B. Hassibi, Precise stability phase transitions for L1 minimization: a unified geometric framework, IEEE Transactions on Information Theory, vol.57, no.10, pp. 6894-6919, 2011.
21. W. Xu and A. Tang, A generalized coupon collector Problem, Journal of Applied Probability, 48(4), pp. 1081-1094, 2011.
22. M. Wang, W. Xu, and A. Tang, On the performance of sparse recovery via Lp minimization ($0\leq p \leq 1$ ), IEEE Transactions on Information Theory, vol. 55, no. 9, pp. 4299-4308, 2011.
23. M. Wang, C. Tan, Weiyu Xu and A. Tang, Cost of not splitting in routing: characterization and estimation, IEEE/ACM Transactions on Networking, vol. 19, no. 6, pp. 1849-1859, 2011
24. M. Wang, Weiyu Xu and A. Tang, A unique nonnegative" solution to an underdetermined system: from vectors to matrices, IEEE Transactions on Signal Processing, vol. 59, no. 3, 2011.
25. A. Khajehnejad, W. Xu, S. Avestimehr, and B. Hassibi, Analyzing weighted L1 minimization for sparse recovery with nonuniform sparse models, IEEE Transactions on Signal Processing, vol. 59, no.5, pp. 1985-2001, 2011.
26. A. Khajehnejad, A. Dimakis, Weiyu Xu, B. Hassibi, Sparse recovery of nonnegative signals with minimal expansion, IEEE Transactions on Signal Processing, vol. 59, no. 1, pp. 196 - 208, 2011.
27. B. Recht, Weiyu Xu, and B. Hassibi, Null space conditions and thresholds for rank minimization, Mathematical Programming, Series B, vol. 127, pp. 175-202, 2011
28. S. Jafarpour, Weiyu Xu, B. Hassibi, and R. Calderbank, Efficient and robust compressed sensing using high-quality expander graphs,  IEEE Transactions on Information Theory, vol. 55, no.9, pp. 4299-4308, 2009.
29. A. Li, Y. Wang, Weiyu Xu, and Z. Zhou, Energy efficient space-time diversity schemes for wireless sensor networks, Journal of Tsinghua University (Science and Technology) , vol. 4, 2006.

CONFERENCE

1. Haider Ali Jasim Alshamary and Weiyu Xu, Efficient Optimal Joint Channel Estimation and Data Detection for Massive MIMO Systems, IEEE International Symposium on Information Theory (ISIT), 2016, to appear.
2. Bingwen Zhang, Weiyu Xu, Jian-Feng Cai and Lifeng Lai, Precise Phase transition of total variation minimization, 41st IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP), Shanghai, China, Mar. 2016.
3. Myung Cho, Jian-Feng Cai, Suhui Liu, Yonina C. Eldar, and Weiyu Xu, Fast alternating projected gradient descent algorithms for recovering spectrally sparse signals, 41st IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP), Shanghai, China, Mar. 2016.
4. Christos Thrampoulidis, Ehsan Abbasi, Weiyu Xu, and Babak Hassibi, BER analysis of the box relaxation for BPSK signal recovery, 41st IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP), Shanghai, China, Mar. 2016.
5. Jun Geng, Weiyu Xu and Lifeng Lai,  Detection of Correlated Components in Multivariate Gaussian Models" Proceedings of 2015 IEEE Information Theory Workshop, Jeju Island, 2015.
6. Jian-Feng Cai, Suhui Liu and Weiyu Xu, A fast algorithm for reconstruction of spectrally sparse signals in super-resolution, Proc. SPIE 9597, Wavelets and Sparsity XVI, 95970A, 2015
7. Haider Ali Jasim Alshamary, Md Fahim Anjum, Tareq Al-Naffouri, Alam Zaib, and Weiyu Xu, Optimal Non-coherent Data Detection for Massive SIMO Wireless Systems with General Constellations: A Polynomial Complexity Solution, submitted, IEEE Signal Processing Workshop, 2015.
8. Kumar Vijay Mishra, Myung Cho, Anton Kruger, and Weiyu Xu, Super-resolution Line Spectrum Estimation with Block Priors, Proceedings of Asilomar Conference on Signals, Systems, and Computers, 2014.
9. Haider Alshamary, and Weiyu Xu, Maximum-Likelihood Joint Channel Estimation and Data Detection for Space Time Block Coded MIMO Systems, Proceedings of Asilomar Conference on Signals, Systems, and Computers, 2014.
10. Kumar Vijay Mishra, Myung Cho, Anton Kruger, and Weiyu Xu, Off-The-Grid spectral compressed sensing with prior information, Proceedings of International Conference on Acoustics, Speech, and Signal Processing, 2014.
11. Weiyu Xu, Jian-Feng Cai, Kumar Vijay Mishra, Myung Cho, and Anton Kruger, Precise semidefinite programming formulation of atomic norm minimization for recovering d-Dimensional($d\geq2$) off-the-grid frequencies, Proceedings of Information Theory and Applications Workshop, 2014
12. Myung Cho and Weiyu Xu, New algorithms for verifying the null space conditions in compressed sensing, Proceedings of Asilomar Conference on Signals, Systems, and Computers, 2013.
13. Weiyu Xu and Jian-Feng Cai, Guarantees of Total Variation Minimization for Signal Recovery, Proceedings of Allerton Conference on Communication, Control and Computing, 2013.
14. Weiyu Xu and Lifeng Lai, Compressed Hypothesis Testing: to Mix or Not to Mix?, Proceedings of Allerton Conference on Communication, Control and Computing, 2013.
15. Er-Wei Bai, Kang Li, Wenxiao Zhao, Weiyu Xu, Local variable selection and dimension determination of nonlinear non-parametric systems, Proceedings of IEEE Conference on Decision and Control, 2013.
16. Jun Geng, Weiyu Xu and Lifeng Lai, Quickest search over multiple sequences with mixed observations, Proceedings of the International Symposium on Information Theory, 2013.
17. Weiyu Xu, Er-Wei Bai and Myung Cho, Toeplitz matrix based sparse error correction in system identification: outliers and random noises, Proceedings of International Conference on Acoustics, Speech, and Signal Processing, 2013.
18. Hema Kumari Achanta, Weiyu Xu, and Soura Dasgupta, Matrix design for optimal sensing, Proceedings of International Conference on Acoustics, Speech, and Signal Processing, 2013.
19. Meng Wang, Weiyu Xu, and Robert Calderbank, Compressed sensing with corrupted participants, Proceedings of International Conference on Acoustics, Speech, and Signal Processing, 2013.
20. Weiyu Xu, On the mixing time of Markov Chain Monte Carlo for Integer Least-Square problems, IEEE conference on Decision and Control, 2012.
21. M. Wang, W. Xu, E. Mallada, and A. Tang, Sparse recovery with graph constraints: fundamental limits and measurement construction, Proceedings of IEEE International Conference on Computer Communications, Orlando, 2012. ( acceptance rate $17.9\%$ )
22. W. Xu, M. Wang and A. Tang, On state estimation with bad data detection, Proceedings of IEEE conference on Decision and Control, 2011.
23. Weiyu Xu and A. Tang, Recent results on sparse recovery over graphs, (Invited Paper), Proceedings of Asilomar Conference on Signals, Systems and Computers, 2011.
24. Weiyu Xu and A.Tang, On the scaling law for compressive sensing and its applications, Proceedings of Conference on Information Science and Systems, 2011.
25. Weiyu Xu, E. Mallada and A. Tang, Compressive sensing over graphs, Proceedings of the 30th IEEE International Conference on Computer Communications (IEEE INFOCOM 2011), Shanghai, 2011. (acceptance rate $15.9\%$ )
26. Weiyu Xu and A. Tang, Compressive sensing over graphs: how many measurements are needed? Proceedings of 46th Annual Allerton Conference on Communication, Control, and Computing, 2010.
27. Weiyu Xu, The balancedness property of linear subspaces and its applications in compressive sensing, (Invited Talk), SIAM Annual Meeting, 2010
28. M. Wang, Weiyu Xu and A. Tang, The limits of error correction with Lp decoding, Proceedings of the International Symposium on Information Theory, 2010.
29. Weiyu Xu, and A. Tang, On the dynamics of    decoding: a microscopic approach, Proceedings of the International Symposium on Information Theory, 2010.
30. Weiyu Xu and A. Tang, On the uniqueness of positive semidefinite matrix solution under compressed observations, Proceedings of the International Symposium on Information Theory, 2010.
31. A. Khajehnejad, Weiyu Xu, S. Avestimehr and B. Hassibi, Improved Sparse Recovery Thresholds with Two-Step Reweighted   Minimization, Proceedings of the International Symposium on Information Theory, 2010.
32. Weiyu Xu, A. Khajehnejad, S. Avestimehr and B. Hassibi, Breaking through the thresholds: an analysis for iterative reweighted   minimization via the Grassmann Angle Framework, (Invited Paper), Proceedings of International Conference on Acoustics, Speech, and Signal Processing, 2010.
33. M. Hansen, B. Hassibi, A. Dimakis and Weiyu Xu, Near-optimal detection in MIMO systems using Gibbs sampling, Proceedings of GLOBECOM, 2009.
34. W. Xu and B. Hassibi, The balancedness property of linear subspaces and its applications in compressive sensing, (Invited Paper), Proceedings of the 8th international conference on Sampling Theory and Applications, Marseille, France, 2009.
35. Weiyu Xu and B. Hassibi, On sharp performance bounds for robust sparse signal recoveries, Proceedings of the International Symposium on Information Theory, 2009.
36. A. Khajehnejad, Weiyu Xu, S. Avestimehr and B. Hassibi, Weighted   minimization for sparse recovery with prior information, Proceedings of International Symposium on Information Theory, 2009
37. B. Recht, Weiyu Xu and B. Hassibi, Necessary and sufficient conditions for success of the nuclear norm heuristic for rank minimization, Proceedings of the 47th IEEE Conference on Decision and Control, 2008.
38. Weiyu Xu and B. Hassibi, Compressive sensing over the Grassmann manifold: a unified analytical framework, Proceedings of 46th Annual Allerton Conference on Communication, Control, and Computing, 2008.
39. M. Stojnic, Weiyu Xu and B. Hassibi, Compressed sensing of approximately sparse signals, Proceedings of IEEE International Symposium on Information Theory, pp. 2182-2186, 2008.
40. Weiyu Xu, M. Stojnic and B. Hassibi, On exact maximum-likelihood detection for non-coherent MIMO wireless systems: a Branch-Estimate-Bound optimization framework, Proceedings of the International Symposium on Information Theory, pp. 2017-2021, 2008
41. Weiyu Xu, M. Stojnic and B. Hassibi, Low-complexity blind maximum-likelihood detection for SIMO systems with general constellations, Proceedings of International Conference on Acoustics, Speech, and Signal Processing, 2008.
42. M. Stojnic, Weiyu Xu and B. Hassibi, Compressed sensing - probabilistic analysis of a null-space characterization, Proceedings of International Conference on Acoustics, Speech, and Signal Processing, 2008.
43. Weiyu Xu and B. Hassibi, Further Results on Performance Analysis for Compressive Sensing Using Expander Graphs, Proceedings of the Asilomar Conference on Signals, Systems, and Computers, November, 2007.
44. Weiyu Xu and B. Hassibi, Efficient compressive sensing with deterministic guarantees using expander graphs, Proceedings of IEEE Information Theory Workshop, Lake Tahoe, 2007.
45. Weiyu Xu and B. Hassibi, On the complexity of exact maximum-likelihood decoding for asymptotically good Low Density Parity Check codes: a new perspective, Proceedings of IEEE Information Theory Workshop, 2007.
46. Weiyu Xu and B. Hassibi, A new exact closest lattice point search algorithm using linear constraints, Proceedings of IEEE Signal Processing Advances in Wireless Communication Workshop, Helsinki, 2007.
47. M. Li, B. Bruno, Weiyu Xu, N. B. David and F. Catthoor, The optimization of near-ML MIMO detector for parallel programmable architectures, Proceedings of IEEE/ACM Design Automation and Test in Europe (DATE), 2008
48. Weiyu Xu, Youzheng Wang, Zucheng Zhou and Jing Wang, A computationally efficient exact ML sphere decoder, Proceedings of IEEE Global Communications Conference, December, 2004.
49. Weiyu Xu, Richard Yao, Zihua Guo, Wenwu Zhu and Zucheng Zhou, A power efficient M-ary orthogonal pulse polarity modulation for TH-UWB system using modified OVSF codes, Proceedings of IEEE Global Communications Conference, 2003.