Usman Khan


Google scholar profile
Arxiv profile


Publications


Theses

[T2] U. A. Khan, "High-dimensional consensus in large-scale networks: Theory and applications," PhD Thesis, ECE Department, Carneigie Mellon University, Aug. 2009. Synopsis

[T1] U. A. Khan, "Localization in sensor networks using message passing algorithms," MS Project Report, ECE Department, UW-Madison, Aug. 2004. Synopsis


Patents

[P2] U. A. Khan, S. Kar, and J. M. F. Moura, "System and Method for Collaborative Resource Tracking," United States Patent, S. N. 8,896,442, continuation of Patent US8531288; published Nov. 25, 2014. Patent Assignee: Carnegie Mellon University

[P1] U. A. Khan, S. Kar, and J. M. F. Moura, "System and Method for Collaborative Resource Tracking," United States Patent, S. N. 8,531,288, application filed: Nov. 09, 2010; claims allowed: Feb. 06, 2013; published Sep. 10, 2013. Patent Assignee: Carnegie Mellon University


Book Chapters

[B1] U. A. Khan, S. Kar, and J. M. F. Moura, "Distributed algorithms in sensor networks," Chapter 17 in Handbook on Array Processing and Sensor Networks, Simon Haykin and K. J. Ray Liu, Eds., Wiley-IEEE Press, New York, NY, Jan. 2010.


Journals

under review

[J25] S. Safavi, U. A. Khan, S. Kar, and J. M. F. Moura, “Localization in internets of mobile agents: A linear approach,” Jul. 2017.

[J24] C. Xi, V. S. Mai, R. Xin, E. Abed, and U. A. Khan, “Linear convergence in optimization over directed graphs with row-stochastic matrices,” Nov. 2016. Arxiv

accepted

[J23] M. Doostmohammadian, Hamid R. Rabiee, H. Zarrabi, U. A. Khan, “Observational Equivalence in System Estimation: Contractions in Complex Networks,” accepted for publication, Apr. 2017. IEEE Xplore

[J22] C. Xi, R. Xin, and U. A. Khan, “ADD-OPT: Accelerated Distributed Directed Optimization,” in IEEE Transactions on Automatic Control, accepted for publication, Aug. 2017. Arxiv IEEE Xplore

[J21] S. Safavi and U. A. Khan, “Localization in mobile networks via virtual convex hulls,” in IEEE Transactions on Signal and Information Processing over Networks, Feb. 2017, accepted for publication. Arxiv IEEE Xplore

[J20] S. Safavi and U. A. Khan, “Asymptotic stability of stochastic LTV systems with applications to distributed dynamic fusion,” in IEEE Transactions on Automatic Control, Jan. 2017, accepted for publication. Arxiv IEEE Xplore

published

[J19] C. Xi, Q. Wu, and U. A. Khan, “On the distributed optimization over directed networks,” Neurocomputing, vol. 267, 508-515, Dec. 2017. Arxiv Elsevier

[J18] C. Xi and U. A. Khan, “DEXTRA: A Fast Algorithm for Optimization Over Directed Graphs,” in IEEE Transactions on Automatic Control, vol. 62, no. 10, 4980-4993, Oct. 2017. Arxiv IEEE Xplore

[J17] M. Doostmohammadian, Hamid R. Rabiee, H. Zarrabi, U. A. Khan, “Distributed Estimation Recovery under Sensor Failure,” in IEEE Signal Processing Letters, vol. 24, no. 10, pp. 1532-1536, Oct. 2017. IEEE Xplore

[J16] S. Safavi and U. A. Khan, “An opportunistic linear-convex algorithm for localization in mobile robot networks,” IEEE Transactions on Robotics, vol. 33, no. 4, pp. 875-888, Aug. 2017. IEEE Xplore

[J15] C. Xi and U. A. Khan, “Distributed subgradient projection algorithm over directed graphs,” in IEEE Transactions on Automatic Control, vol. 62, no. 8, pp. 3986-3992, Oct. 2016. Arxiv IEEE Xplore

[J14] U. A. Khan and S. Aeron, “Distributed subspace consensus in the presence of in-network disturbances,” in IEEE Transactions on Control of Network Systems, vol. 3, no. 3, pp. 220-230, Aug. 2016. IEEE Xplore

[J13] S. Safavi and U. A. Khan, “Leader-follower consensus in mobile sensor networks,” IEEE Signal Processing Letters, vol. 22, no. 12, pp. 2249-2253, Dec. 2015. IEEE Xplore

[J12] U. A. Khan, S. Kar, and J. M. F. Moura, “Linear theory for self-localization: Convexity, barycentric coordinates, and Cayley-Menger determinants,” IEEE Access, vol. 3, pp. 1326-1339, Aug. 2015. IEEE Xplore

[J11] S. Safavi and U. A. Khan, "Revisiting finite-time distributed algorithms via successive nulling of eigenvalues," in IEEE Signal Processing Letters, vol. 22, no. 1, pp. 54-57, Jan. 2015. IEEE Xplore

[J10] M. Doostmohammadian and U. A. Khan, "Graph-Theoretic Distributed Inference in Social Networks," IEEE Journal of Special Topics in Signal Processing--Issue on Signal Processing for Social Networks, vol. 8, no. 4, pp. 613-623, Aug. 2014. IEEE Xplore Appears on the journal cover.

[J9] U. A. Khan and A. Jadbabaie, "Collaborative scalar-gain estimators for potentially unstable social dynamics with limited communication," Automatica, vol. 50, no. 7, pp. 1909-1914, Jul. 2014.

[J8] M. I. Cheema, U. A. Khan, A. M. Armani, and A. G. Kirk, "Towards more accurate microcavity sensors: maximum likelihood estimation applied to a combination of quality factor and wavelength shifts," Optics Express, vol. 21, no. 9, pp. 22817-22828, Sep. 2013.

[J7] M. Doostmohammadian and U. A. Khan, "On the genericity properties in distributed estimation: Topology design and sensor placement," IEEE Journal of Special Topics in Signal Processing--Issue on Adaptation and Learning over Complex Networks, vol. 7, no. 2, pp. 195-204, Apr. 2013. IEEE Xplore

[J6] U. A. Khan, "A sensing based adaptive model for the smart grid," IEEE COMSOC Multimedia Communications Technical Committee E-Letter, vol. 6, no. 12, pp. 13-16, Dec. 2011, invited paper.

[J5] M. D. Ilić, L. Xie, U. A. Khan and J. M. F. Moura, "Modeling of future cyber-physical energy systems for distributed sensing and control," IEEE Transactions on Systems, Man and Cybernetics, Part A: Systems and Humans, vol. 40, no. 4, pp. 825-838, Jul. 2010. IEEE Xplore

[J4] U. A. Khan, S. Kar, and J. M. F. Moura, "Higher dimensional consensus: Learning in large-scale networks," IEEE Transactions on Signal Processing, vol. 58, no. 5, pp. 2836-2849, May 2010. IEEE Xplore

[J3] U. A. Khan, S. Kar, and J. M. F. Moura, "DILAND: An algorithm for distributed sensor localization with noisy distance measurements," IEEE Transactions on Signal Processing, vol. 58, no. 3, pp. 1940-1947, Mar. 2010. IEEE Xplore

[J2] U. A. Khan, S. Kar, and J. M. F. Moura, "Distributed sensor localization in random environments using minimal number of anchor nodes," IEEE Transactions on Signal Processing, vol. 57, no. 5, pp. 2000-2016, May 2009. IEEE Xplore

[J1] U. A. Khan and J. M. F. Moura, "Distributing the Kalman filter for large-scale systems," IEEE Transactions on Signal Processing, vol. 56, Part 1, no. 10, pp. 4919-4935, Oct. 2008. IEEE Xplore


Conferences


[C54] C.Xi and U. A. Khan, "Optimization over Directed Graphs: Linear Convergence Rate," in 42nd IEEE International Conference on Acoustics, Speech, and Signal Processing, New Orleans, LA, Mar. 2017, accepted for publication.

[C53] S. Safavi and U. A. Khan, "On the convergence of time-varying fusion algorithms: Application to localization in dynamic networks," in 55th IEEE Conference on Decision and Control, Las Vegas, NV, Dec. 2016, pp. 4907-4912.

[C52] C.Xi and U. A. Khan, "Distributed Dynamic Optimization over Directed Graphs," in 55th IEEE Conference on Decision and Control, Las Vegas, NV, Dec. 2016, pp. 245-250.

[C51] S. Safavi and U. A. Khan, "A distributed range-based algorithm for localization in mobile networks," in 50th IEEE Asilomar Conference on Signals, Systems, and Computers, Nov. 2016, Monterey, CA. Best Student Paper

[C50] C.Xi and U. A. Khan, "Augmented DEXTRA for Fast Distributed Optimization over Directed Graphs," in 54th Annual Allerton Conference on Communication, Control, and Computing, Sep. 2016, Monticello, IL, invited paper.

[C49] A. Korniienko, U. A. Khan, and G. Scorletti, “Robust sensor localization with locally-computed, global H-design”, in 35th IEEE American Control Conference, Boston, MA, Jul. 2016, pp. 6375-6380.

[C48] C.Xi, Q. Wu, and U. A. Khan, "Fast Distributed Optimization over Directed Graphs," in 35th IEEE American Control Conference, Boston, MA, Jul. 2016, pp. 6507-6512.

[C47] S. Safavi and U. A. Khan, "Unbounded connectivity: Asymptotic stability criteria for stochastic LTV systems," in 35th IEEE American Control Conference, Boston, MA, Jul. 2016, pp. 7019-7024.

[C46] M. Doostmohammadian and U. A. Khan, "Measurement partitioning and observational equivalence in state estimation," in 41st IEEE International Conference on Acoustics, Speech, and Signal Processing, Shanghai, China, Mar. 2016, pp. 4855-4859.

[C45] U. A. Khan, A. Korniienko, and K. H. Johansson, "An H-based approach for robust sensor localization”, in 54th IEEE Conference on Decision and Control, Osaka, Japan, Dec. 2015, pp. 1719-1724.

[C44] C. Xi and U. A. Khan, "Directed-Distributed Gradient Descent," in 53rd Annual Allerton Conference on Communication, Control, and Computing, Monticello, IL, Sep. 2015, pp. 1022-1026.

[C43] S. Safavi and U. A. Khan, "Dynamic leader-follower algorithms in mobile multi-agent networks”, in IEEE Digital Signal Processing Conference, Singapore, Jul. 2015, pp. 10-13.

[C42] M. Doostmohammadian and U. A. Khan, "Vulnerability of CPS inference to DoS attacks," in 48th IEEE Asilomar Conference on Signals, Systems, and Computers, Pacific Grove, CA, Nov. 2014, pp. 2015-2018.

[C41] C. Xi and U. A. Khan, "On the Impact of Low-Rank Interference on Distributed Multi-Agent Optimization," in 48th IEEE Asilomar Conference on Signals, Systems, and Computers, Pacific Grove, CA, Nov. 2014, pp. 1511-1514.

[C40] S. Safavi and U. A. Khan, "On the convergence rate of swap-collide algorithm for simple task assignment," in 48th IEEE Asilomar Conference on Signals, Systems, and Computers, Pacific Grove, CA, Nov. 2014, pp. 1507-1510. Best Student Paper Finalist award.

[C39] U. A. Khan, “Single parameter distributed estimators for Hermitian systems,” in 8th IEEE Sensor Array and Multichannel Signal Processing Workshop, A Coruña, Spain, Jun. 2014, pp. 213-216.

[C38] U. A. Khan and S. Aeron, “Distributed averaging in uniform interference,” in 6th IEEE International Symposium on Communications, Control and Signal Processing, Athens, Greece, May 2014.

[C37] U. A. Khan and S. Aeron, “Information alignment for consensus with interference,” in 39th IEEE International Conference on Acoustics, Speech, and Signal Processing, Florence, Italy, May 2014, pp. 7168-7172.

[C36] M. Doostmohammadian, S. Pourazarm, and U. A. Khan, “Distributed Algorithm for Shortest Path Problem in Undirected Graphs via Randomized Strategy”, in 11th IEEE International Conference on Networking, Sensing and Control, Miami, FL, Apr. 2014, pp. 463-467. Best Student Paper award.

[C35] C. Xi and U. A. Khan, "Source localization in complex networks using a frequency-domain approach," in 1st IEEE Global Conference on Signal and Information Processing, Austin, TX, Dec. 2013, pp. 895-898. invited paper.

[C34] M. Doostmohammadian and U. A. Khan, "On the necessary conditions for distributed observability," in 51st Annual Allerton Conference on Communication, Control and Computing, Monticello, IL, Oct. 2013, invited paper.

[C33] U. A. Khan and S. Kar, "A decentralized algorithm for the preferred assignment problem in multi-agent systems," in 12th IEEE European Control Conference, Zurich, Switzerland, Jul. 2013, pp. 766-771.

[C32] M. Doostmohammadian and U. A. Khan, "Topology design in networked estimation: A generic approach," in 32nd IEEE American Control Conference, Washington, DC, Jun. 2013, pp. 4134-4139.

[C31] U. A. Khan and A. M. Stanković, "Secure distributed estimation in cyber-physical systems," in 38th IEEE International Conference on Acoustics, Speech, and Signal Processing, Vancouver, Canada, May 2013, pp. 5209-5213.

[C30] M. Doostmohammadian and U. A. Khan, "On the distributed estimation of rank-deficient dynamical systems: A generic approach," in 38th IEEE International Conference on Acoustics, Speech, and Signal Processing, Vancouver, Canada, May 2013, pp. 4618-4622.

[C29] U. A. Khan and A. M. Stanković, "Security in cyber-physical energy systems," in IEEE Workshop on Modeling and Simulation of Cyber-Physical Energy Systems, Berkeley, CA, May 2013, pp. 1-6.

[C28] O. Osechas, L. Grymek, and U. A. Khan, "Networked Collaborative Navigation in an Urban Canyon," in Institute of Navigation Pacific PNT Conference, Honolulu, HI, Apr. 2013, pp. 804-810.

[C27] M. Doostmohammadian and U. A. Khan, "Measurement-induced topology design in distributed estimation," in Information Theory and Applications Workshop, San Diego, CA, Feb. 2013, invited paper.

[C26] M. I. Cheema, U. A. Khan, A. M. Armani, and A. G. Kirk, "Application of phase shift ring down spectroscopy to microcavities for biosensing," Keynote paper at Nanoscale Imaging, Sensing, and Actuation for Biomedical Applications X, Proc. of SPIE Vol. 8594, San Francisco, CA, Feb. 2013, pp. 859401-859401-6.

[C25] U. A. Khan, "Coordinated randomness in sparse graphs," in 50th Annual Allerton Conference on Communication, Control and Computing, Monticello, IL, Oct. 2012, pp. 1729-1722, invited paper.

[C24] V. Minden, C. Youn, and U. A. Khan, "A distributed self-clustering algorithm for autonomous multi-agent systems," in 50th Annual Allerton Conference on Communication, Control and Computing, Monticello, IL, Oct. 2012, pp. 1445-1448.

[C23]K. Morrissey, G. Solimini, and U. A. Khan, "Distributed control schemes for wind-farm power regulation," in 44th North American Power Symposium, Champaign, IL, Sep. 2012, pp. 1-6.

[C22] U. A. Khan and M. Doostmohammadian, "A sensor placement and network design paradigm for future smart grids," in 4th IEEE International Workshop on Computational Advances in Multi-Sensor Adaptive Processing, San Juan, Puerto Rico, Dec. 2011, pp. 137-140.

[C21] U. A. Khan and A. Jadbabaie, "Coordinated networked estimation strategies using structured systems theory," in 50th IEEE Conference on Decision and Control, Orlando, FL, Dec. 2011, pp. 2112-2117.

[C20] U. A. Khan and S. Kar, "A coordination-free distributed algorithm for simple assignment problems using randomized actions," in 45th IEEE Asilomar Conference on Signals, Systems, and Computers, Pacific Grove, CA, Nov. 2011, pp. 58-61.

[C19] M. Doostmohammadian and U. A. Khan, "Communication strategies to ensure generic networked observability in multi-agent systems," in 45th IEEE Asilomar Conference on Signals, Systems, and Computers, Pacific Grove, CA, Nov. 2011, pp. 1865-1868.

[C18] U. A. Khan, "Pareto-based design for anchored consensus: Tradeoffs between the convergence rate and performance," in 49th Annual Allerton Conference on Communication, Control and Computing, Monticello, IL, Sep. 2011, invited paper.

[C17] V. Ramesh, U. A. Khan and M. D. Ilić, "Data aggregation strategies for aligning PMU and AMI measurements in electric power distribution networks," in 43rd North American Power Symposium, Boston, MA, Aug. 2011, pp. 1-7.

[C16] U. A. Khan and A. Jadbabaie, "On the stability and optimality of distributed Kalman filters with finite-time data fusion," in 30th IEEE American Control Conference, San Francisco, CA, Jun. 2011, pp. 3405-3410. Synopsis

[C15] U. A. Khan, S. Kar, A. Jadbabaie, and J. M. F. Moura, "On connectivity, observability, and stability in distributed estimation," in 49th IEEE Conference on Decision and Control, Atlanta, GA, Dec. 2010, 6639-6644. Synopsis

[C14] U. A. Khan, S. Kar, and J. M.F. Moura, "Designing the parameters of high dimensional consensus: Multi-objective optimization and Pareto-optimality," in 35th IEEE International Conference on Acoustics, Speech, and Signal Processing, Dallas, TX, Apr. 2010, pp. 2986-2989. Synopsis

[C13] U. A. Khan, S. Kar, and J. M.F. Moura, "Distributed sensor localization using barycentric coordinates," in 3rd IEEE International Workshop on Computational Advances in Multi-Sensor Adaptive Processing, Aruba, Dutch Antilles, Dec. 2009, pp. 65-68. Synopsis

[C12] U. A. Khan, S. Kar, and J. M. F. Moura, "Distributed localization and tracking with coordinated and uncoordinated motion models," in 47th Annual Allerton Conference on Communication, Control and Computing, Monticello, IL, Sep. 2009, pp. 202-208. Synopsis

[C11] U. A. Khan, S. Kar and J. M. F. Moura, "Distributed average consensus: Beyond the realm of linearity," in 43rd IEEE Asilomar Conference on Signals, Systems, and Computers, Pacific Grove, CA, Nov. 2009, pp. 1337-1342. Synopsis

[C10] U. A. Khan, S. Kar and J. M. F. Moura, "Asymptotic noise analysis of high dimensional consensus," in 43rd IEEE Asilomar Conference on Signals, Systems, and Computers, Pacific Grove, CA, Nov. 2009, pp. 191-195. Synopsis

[C9] U. A. Khan, S. Kar and J. M. F. Moura, "Higher dimensional consensus algorithms in sensor networks," in 34th IEEE International Conference on Acoustics, Speech, and Signal Processing, Taipei, Taiwan, Apr. 2009, pp. 2857-2860. Synopsis

[C8] U. A. Khan, M. D. Ilić, and J. M. F. Moura, "Cooperation for aggregating complex electric power networks to ensure system observability," in 1st International Conference on Infrastructure Systems, Rotterdam, Netherlands, Nov. 2008, pp. 1-6. Synopsis

[C7] U. A. Khan, S. Kar and J. M. F. Moura, "A linear iterative algorithm for distributed sensor localization," in 42nd IEEE Asilomar Conference on Signals, Systems, and Computers, Pacific Grove, CA, Oct. 2008, pp. 1160-1164 , invited paper. Synopsis

[C6] U. A. Khan, S. Kar, B. Sinopoli and J. M. F. Moura, "Distributed sensor localization in Euclidean spaces: Dynamic environments," in 46th Annual Allerton Conference on Communication, Control and Computing, Monticello, IL, Sep. 2008, pp. 361-366, invited paper. Synopsis

[C5] M. D. Ilić, L. Xie, U. A. Khan and J. M. F. Moura, "Modeling future cyber-physical energy systems," in IEEE Power Engineering Society General Meeting, Pittsburgh, PA, Jul. 2008, pp. 1-9. Synopsis

[C4] U. A. Khan and J. M. F. Moura, "Distributed Iterate-Collapse Inversion (DICI) algorithm for L-banded matrices," in 33rd IEEE International Conference on Acoustics, Speech, and Signal Processing, Las Vegas, NV, Mar.-Apr. 2008, pp. 2529-2532. Synopsis

[C3] U. A. Khan and J. M. F. Moura, "Model distribution for distributed Kalman filters: A graph theoretic approach," in 41st IEEE Asilomar Conference on Signals, Systems, and Computers, Pacific Grove, CA, Nov. 2007, pp. 611-615. Synopsis

[C2] U. A. Khan and J. M. F. Moura, "Distributed Kalman filters in sensor networks: Bipartite fusion graphs," in 15th IEEE Workshop on Statistical Signal Processing, Madison, WI, Aug. 26-29 2007, pp. 700-704. Synopsis

[C1] U. A. Khan, M. I. Cheema and N. M. Sheikh, "Adaptive video encoder based on skin tone region detection," in IEEE International Students Conference, ISCON, Lahore, Pakistan, Aug. 2002, pp. 129-134. Synopsis



Electrical and Computer Engineering
School of Engineering
Tufts University