Publications
(Please note that you are legally permitted to download the papers only if you or your institution are subscribed to the respective journals.)
Journal Papers
Pan, Y. , Alpcan T. and L. Pavel, `A System Performance Approach to OSNR Optimization
in Optical Networks," IEEE Transactions on Communications, accepted, to
appear, 2009.
Pan, Y. and L. Pavel, `Games with coupled propagated constraints in optical
networks with multi-link topologies," Automatica, vol. 45, issue 4, pp.
871 - 880, April 2009.pdf
Stefanovic, N. and L. Pavel, `A stability analysis with time-delay of primal-dual
power control in optical links," Automatica, vol. 45, Issue 5, pp. 1319-1325,
May 2009. pdf
Q. Zhu. and L. Pavel,
`Enabling Differentiated Services Using Generalized Power Control Model in Optical
Networks," IEEE Transactions on Communications, vol. 57, no 9, Sept. 2009.
pdf
Kuntze, S. B., B. Zhang, L. Pavel and J. S. Aitchison, “Impact of feedback
delay on closed-loop stability in semiconductor optical amplifier control circuits,”
IEEE Journal of Lightwave Technology, vol. 27, issue 9, May 2009, pp. 1095-1107.pdf
Stefanovic, N. and L. Pavel, `An analysis of stability with time-delay of link
level power control in optical networks," Automatica, vol. 45, issue 1,
pp. 149-154, January 2009. pdf
Kuntze, S. B., L. Pavel and J. S. Aitchison, “Nonlinear state-space model
semiconductor optical amplifiers with gain compression for system design and
analysis,”, IEEE Journal of Lightwave Technology, vol. 26, no. 14, pp.
2274 - 2281, July 2008. pdf
Pan, Y. and L. Pavel, ``A Nash game approach for OSNR optimization with capacity
constraints in optical networks," IEEE Transactions on Communications,
vol. 56, no. 11, pp. 1919-1928, Nov. 2008. pdf
Akhtar, A., L. Pavel and S. Kumar, ``Modeling inter-channel FWM with walk-off
in RZ-DPSK single span links," IEEE Journal of Lightwave Technology, vol.,
no. 14, pp. 2142 - 2154, July, 2008. pdf
Pavel, L., 'An extension of duality to a game-theoretic framework', Automatica, Vol. 43, no. 2, pp. 226-237, Feb. 2007. pdf
Kuntze, S. B., L. Pavel and J. S. Aitchison, 'Controlling a semiconductor optical amplifier using a state-space model', IEEE Journal of Quantum Electronics, Vol.43, no. 2, pp. 123-129, Feb 2007. pdf
Akhtar, A., L. Pavel and S. Kumar, 'Modeling and analysis of the walk-off contribution to non-degenerate and degenerate Four-Wave-Mixing noise in RZ-OOK optical transmission systems', IEEE Journal of Lightwave Technology, vol. 24, no. 11, pp. 4269-4285, Nov. 2006. pdf
Pavel, L., 'A nested noncooperative OSNR game in distributed WDM optical links', IEEE Transactions on Communications, vol. 55, Iss 6 pp. 1220-1230, June 2007. pdf
Stefanovic, N, Ding, M. and L. Pavel, 'An application of L2 nonlinear control and gain scheduling to Erbium-doped fiber amplifiers', Control Engineering Practice, Control Engineering Practice, vol. 15, no. 9, pp 1107-1117, Sept. 2007. pdf
Taing, Y. and L. Pavel,
'An EDFA H-infinity controller for suppression of power excursions due to pilot
tones and network traffic', IEEE Photonics Technology Letters, vol. 18, no.
18, pp. 1916-1918, Sept 2006. pdf
Pavel, L., 'A noncooperative game approach to OSNR optimization in optical networks,
IEEE Transactions on Automatic Control, vol. 51, no. 5, pp. 848-852, May 2006.
pdf
Pavel, L, 'OSNR optimization in optical networks: Modeling and distributed algorithms
via a central cost approach', IEEE Journal on Selected Areas in Communications,
vol. 24, no. 4, pp. 54-65, April 2006. pdf
Pavel, L., 'Dynamics and stability in optical communication networks: A system
theoretic framework', Automatica, vol. 40, no.8, pp. 1361-1370, Aug. 2004. pdf
Pavel, L., and F. W. Fairman, 'Nonlinear H-infinity control: a J-dissipative
approach', IEEE Transactions on Automatic Control, Vol. 42, No. 12, pp. 1636-1653,
Dec. 1997. pdf
Pavel, L., and F. W. Fairman, 'Controller reduction for nonlinear plants - an
L2 approach', Int. J. Robust and Nonlinear Control, Vol. 7, Issue 5, pp. 475-505,
May 1997. pdf
Pavel, L., and F. W. Fairman, 'Robust stabilization of nonlinear plants - an
L2 approach', Int. J. Robust and Nonlinear Control, Vol. 6, Issue 7, pp. 691-726,
Aug. 1996.
Granted Patents
[L5] Pavel, L. & A. Robinson, “Dynamic Optical Spectral Control Scheme for Optical Amplifier Sites, ” U.S. Patent 6,856,454. Filed June 2003, Awarded Feb 2005.
[L4] Bosloy, J. & L. Pavel, “Coordinated control of dynamic gain equalization
in a wavelength division multiplexed optical system,” U.S. Patent 7,081,987.
Filed May 2002, Awarded July 2006.
[L3] Bosloy, J., L. Pavel, C. Parsier & M. Brown, “Apparatus and Method
for Planned Wavelength Addition and Removal, from a Wavelength Division Multiplexed
System,” U.S. Patent 7,058,301. Filed Feb 2002, Awarded June 2006.
[L2] Pavel, L. & X. Meng, “Optical Power Transient Control Scheme
for EDFA Amplifiers,” U.S. Patent 6,757,099. Filed Aug 2001, Awarded June
2004.
[L1] Harley, J. & L. Pavel, Optical Waveform for use in a DWDM Optical Network and Systems for Generating & Processing Same, Awarded March 2007, U.S. Patent number 7,197,243.
Conference Papers (selected)
L. Pavel, ``Global classical solvability of initial-boundary problems for hyperbolic Lotka-Volterra systems in Sobolev spaces, " in Proc. 48th IEEE Conference on Decision and Control, to appear, Shanghai, Dec. 2009.
Alpcan T., L. Pavel and N. Stefanovic, ``A control theoretic approach to noncooperative game design , " in Proc. 48th IEEE Conference on Decision and Control, to appear, Shanghai, Dec. 2009.
Stefanovic, N. and L. Pavel, ``Robust power control of single sink optical networks with time-delays, " in Proc. 48th IEEE Conference on Decision and Control, to appear, Shanghai, Dec. 2009.
Pavel, L. and L. Chang,``Lyapunov-based boundary control for 2 X 2 hyperbolic Lotka-Volterra systems, " in Proc. 48th IEEE Conference on Decision and Control, to appear, Shanghai, Dec. 2009.
Stefanovic, N. and
L. Pavel, ``Robust power control of optical links with time-delay, " in
European Control Conference, Budapest, Hungary, Aug. 2009.
Alpcan, T. and L. Pavel, ``Nash equilibrium design and optimization, "
in Proc. 1st Int. Conference on Games in Networks (GameNets2009), Istanbul,
Turkey, May 2009.
Pan, Y., T. Alpcan and L. Pavel, ``Effects of parameters on Nash games with OSNR target, " in Proc. 2nd Int. Workshop on Game Theory for Communications (ValueTools), Oct. 2008, Athens, Greece.
Stefanovic, N. and L. Pavel, ``A Lyapunov-Krasovskii stability analysis for
game-theoretic based power control in optical networks, " in Proc. 2nd
Int. Workshop on Game Theory for Communications (ValueTools), Athens, Greece,
Oct. 2008.
Pan, Y., T. Alpcan and L. Pavel, ``A distributed optimization approach to constrained
OSNR problem, " in Proc. IFAC World Congress, Seoul, Korea, July 2008.
Stefanovic, N. and L. Pavel, ``Primal-Dual power control of optical networks
with time-delay", in Proc. IFAC World Congress, Seoul, Korea, July 2008.
Zhu, Q. and L. Pavel, `State-space approach to pricing design in OSNR Nash game",
in Proc. IFAC World Congress, Seoul, Korea, July 2008.
Zhu, Q. and L. Pavel, ``Service differentiation via power management in WDM
optical networks," in Proc. IEEE Int. Conference on Communications ICC,
Beijing, China, May 2008.
Zhu, Q. and L. Pavel, ``Linear non-cooperative games with linearly coupled constraints:
theory and application," in Proc. Workshop on Optical Networks and Switching,
INFOCOM, Seattle, April 2008.
Kuntze, S. B., B. Zhang, L. Pavel and J. S. Aitchison, “Analysis of feedback
stability under delay for semiconductor optical amplifier control circuits,”
in Proc. American Control Conference, June 2008.
Zhu, Q. and L. Pavel, ``A Stackelberg game approach for link power control in
optical links," in Proc. American Control Conference, June 2008.
Kuntze , S. B., L. Pavel and J. S. Aitchison, Novel control of semiconductor optical amplifier, to appear in Proc. 20th IEEE Annual Lasers and Electro Optics Society (LEOS) , Florida, Oct 2007.
Zhu , Q., and L. Pavel, Constrained OSNR Optimization in optical networks with a fictitious player, to appear in Proc. 4 th IEEE International Conference on Broadband Communications, Networks and Systems (BroadNets) , Raleigh, USA, Sept. 2007.
Kuntze , S. B., L. Pavel and J. S. Aitchison, Novel control of semiconductor optical amplifier, to appear in Proc. 4th IEEE International Conference on Broadband Communications, Networks and Systems (BroadNets) , Raleigh, USA, Sept. 2007.
Stefanovic , N. and L. Pavel, Link level power control of optical networks with time-delay, in Proc. 46th IEEE Conference on Decision and Control , New Orleans, USA, Dec 2007.
Zhu , Q. and L. Pavel, End-to-end link power control in optical networks using Nash bargaining solution, International Workshop on Game Theory for Communications , (ValueTools), Nantes, France, Oct 2007.
Pan, Y. and L. Pavel, Games with coupled propagated constraints in optical networks: the multi-link case, in 46th IEEE Conference on Decision and Control , New Orleans, Dec 2007.
Pan , Y. and L. Pavel, Global convergence of an iterative gradient algorithm for the Nash equilibrium in an extended OSNR game, in Proc. 26th IEEE Conference on Computer Communications (INFOCOM) , pp. 206-212, Anchorage, Alaska, May 2007.
Pan, Y. and L. Pavel, “Iterative algorithms for Nash equilibrium of an
extended OSNR optimization game,” in Proc. 6th International Conference
on Networking , Martinique, April 2007.
Akhtar, A., L. Pavel and S. Kumar, “Impact of Walk-off on FWM in RZ-OOK
Transmission,” in Proc. IEEE Optical Fiber Communication Conference
(OFC), March 2007.
Pavel, L.,‘Hierarchical iterative algorithm for a coupled constrained OSNR Nash game’, in Proc. 49th IEEE Global Telecommunications Conference (GLOBECOM) , San Francisco, Nov. 2006. pdf
Stefanovic, N. and L. Pavel, ‘Application of robust L2 control to Erbium-doped fiber amplifier: input and state uncertainty’, in Proc. IEEE Conference on Control Applications, pp. 686-692, Oct. 2006. pdf
Taing, Y. and L. Pavel, ‘Application of H-infinity control for suppression of power excursions due to pilot tones and network traffic in optical amplifiers’, in Proc. American Control Conference ACC06, pp. 6088-6094, June 2006. pdf
Pavel, L., 'An extension of duality and hierarchical decomposition to a game-theoretic framework', in Proc. 44th IEEE Conference on Decision and Control, pp. 5317-5323, Dec 2005. pdf
Pavel, L., 'A nested noncooperative game formulation for OSNR optimization in distributed optical links', in Proc. 44th IEEE Conference on Decision and Control, pp. 6958-6965, Dec 2005. pdf
Taing, Y. and L. Pavel, `H-infinity optimal control design for time-dependent tones within Erbium-doped fiber amplifiers', in Proc. 32nd IECON Conference, Raleigh, pp. 13-17, Nov. 2005. pdf
Pan, Y. and L. Pavel, 'OSNR optimization in optical networks: extension for capacity constraints', in Proc. American Control Conf. ACC05, pp. 2379-2384, Portland, June 2005. pdf
Pavel, L., 'Power control for OSNR optimization in optical networks: A distributed algorithm via a central cost appproach', Proc. IEEE INFOCOM 2005, Miami, pp. 1095-1105, Mar. 2005. pdf
Taing, Y. and L. Pavel, `H-infinity control design for disturbance rejection in EDFA amplifiers', in Proc. OSA Conference on Optical Amplifier and Applications, Budapest, Aug 2005. pdf
Ding, M. and L. Pavel, `Gain scheduling control design of an Erbium-Doped Fiber Amplifier by pump compensation', in Proc. IEEE Conference on Control Applications, pp. 510-516, Aug. 2005. pdf
Stefanovic, N., and L. Pavel,`L2 nonlinear control of EDFA system with amplified spontaneous emission', in Proc. IEEE Conference on Control Applications, pp. 289-296, Aug. 2005. pdf
Invited Talks
T-Labs Deutsche Telekom,
Berlin, Germany, Oct. 2008.
University of Arizona, Applied Math Department, Tucson, USA, March 2009.
Concordia University, Montreal, May 2009.
1st Int. Conference on Games in Networks, Istanbul, Turkey, May 2009.
46th IEEE Conference on Decision and Control, New Orleans,
USA, Dec 2007.
Optical Symposium, 4th IEEE BroadNets Conference, Raleigh, USA, Sept. 2007.
McGill University, Oct 2006.
Center for Research in Photonics, SITE, University of Ottawa, Apr 2005.
Intelligent Photonics Control Ltd., Ottawa, Dec 2003.
Nortel Networks, High-Capacity Optical Transport, Ottawa, Feb 2003.
Communication and Information Technology Ontario Conference (CITO), Dec 2002.