Publications

Book Chapters

• F. Jabloun and B. Champagne, "Signal subspace techniques for speech enhancement," in J. Benesty, S. Makino and J. Chen (Eds.), Speech Enhancement, Springer, Berlin, 2005, Chapter 7, pp. 135-159.

• M. Ghanassi and B. Champagne, "Subband AEC based on the sliding-window FAP-RLS algorithm: fixed-point implementation issues," in S. Gay and J. Benesty (Eds.), Acoustic Signal Processing for Telecommunications, Kluwer Academic, Boston, 2000, Chapter 3, pp. 47-65.

Guest Editorial

• K. Berberidis, B. Champagne, G. V. Moustakides, H. V. Poor and P. Stoica, "Advances in subspace-based techniques for signal processing and communications," Special issue of EURASIP J. of Applied Signal Processing, Article ID48612, vol. 2007, 3 pages, Jan. 2007.

Submitted Manuscripts

• C. C. Tu and B. Champagne, "Subspace-based blind channel estimation for MIMO-OFDM systems with reduced time averaging," revised version submitted to IEEE Trans. on Vehicular Technology, May 2009.

• A. El-Keyi and B. Champagne, "Adaptive Linearly Constrained Minimum Variance Beamforming for Multiuser Cooperative Relaying Using the Kalman Filter", revised version submitted to IEEE Trans. on Wireless Communications, May 2009.

Journal Papers

• E. Plourde and B. Champagne, "Generalized Bayesian estimators of the spectral amplitude for speech enhancement", IEEE Signal Processing Letters, vol. 16, pp. 485-488, June 2009.

• P. Kechichian and B. Champagne, "An improved partial Haar dual adaptive filter for rapid identification of a sparse echo channel," Signal Processing, vol. 89, pp. 710-723, May 2009.

• F. D. Beaulieu and B. Champagne, "Design of prototype filters for perfect reconstruction DFT filter bank transceivers," Signal Processing, vol. 89, pp. 87-98, Jan. 2009.

• N. Ehtiati and B. Champagne, "Constrained adaptive echo cancellation for discrete multitone systems," IEEE Trans. on Signal Processing, vol. 57, pp.302-312, Jan. 2009.

• A. El-Keyi and B. Champagne, "Collaborative uplink transmit beamforming with robustness against channel estimation errors," IEEE Trans. on Vehicular Technology, vol. 58, pp. 126-139, Jan. 2009.

• E. Plourde and B. Champagne, "Auditory-based spectral amplitude estimators for speech enhancement," IEEE Trans. Audio, Speech, and Language Processing, vol. 16, pp. 1614-1623, Nov. 2008.

• B. Pelletier and B. Champagne, "Multistage MMSE PIC space-time receiver with non-mutually exclusive grouping," IEEE Trans. on Vehicular Technology, vol. 57, pp. 2070-2080, July 2008.

• W. Chu and B. Champagne, "A noise-robust FFT-based auditory spectrum with application in audio classification," IEEE Trans. Audio, Speech, and Language Processing, vol. 16, pp. 137 - 150, Jan. 2008.

• M. Ghanassi, B. Champagne and P. Kabal, "On the steady-state mean square error of the fixed-point LMS algorithm," Signal Processing, vol. 87, pp. 3226-3233, Dec. 2007.

• B. Pelletier and B. Champagne, "Group-based space-time multiuser detection with user sharing," IEEE Trans. on Wireless Communications, vol. 6, pp. 2034-2039, June 2007.

• W. Chu and B. Champagne, "A simplified early auditory model with application in audio classification," Canadian J. of Electrical and Computer Engineering, vol. 31, pp. 185-189, Fall 2006.

• C.-G. Bénar, R. N. Gunn, C. Grova, B. Champagne and J. Gotman, "Statistical maps for EEG dipolar source localization," IEEE Trans. on Biomedical Engineering, vol. 52, March 2005, pp. 401-413.

• W. Kang and B. Champagne, "Subspace-based blind channel estimation: generalization and performance analysis," IEEE Trans. on Signal Processing, vol. 53, pp.  1151-1162, March 2005.

• M. Biguesh, S. Valaee and B. Champagne, "Generalized principal component beamformer for communication systems," Signal Processing, vol. 85, pp. 67-79, Jan. 2005.

• Y. Chen, T. Le-Ngoc, B. Champagne and C. Xu, "Recursive least squares constant modulus algorithm for blind adaptive array," IEEE Trans. on Signal Processing, vol. 52, pp. 1452-1456, May 2004.

• X. Lu and B. Champagne, "A variable step-size adaptive cross-spectral algorithm for acoustic echo cancellation," IEICE Trans. Fundamentals, vol. E86-A, pp. 2812-2821, Nov. 2003.

• F. Jabloun and B. Champagne, "Incorporating the human hearing properties in the signal subspace approach for speech enhancement," IEEE Trans. on Speech and Audio Processing, vol. 11, pp. 700-708, Nov. 2003.

• T. Chonavel, B. Champagne and C. Riou, "Fast adaptive eigenvalue decomposition: a maximum likelihood approach," Signal Processing, vol. 83, pp. 307-324, Feb. 2003.

• M. Biguesh, B. Champagne, S. Valaee and M. H. Bastani, "A strategy for cochannel signals extraction with antenna array in TDMA/FDMA mobile cellular systems," Scientia Iranica, vol. 9, no. 4, pp. 385-391, Oct. 2002.

• M. Biguesh, S. Valaee, B. Champagne, M. H. Bastani and F. Farzaneh, "A robust sidelobe canceller for reflector antenna using signal subspace eigenvectors," Revue HF: Belgian J. of Electronics and Communications, pp.37-47, no. 3, Sept. 2001.

• A. Stéphenne and B. Champagne, "Effective multi-path vector channel simulator for antenna array systems," IEEE Trans. on Vehicular Technologies, vol. 49, pp. 2370-2381, Nov. 2000.

• F. Caron, B. Champagne and Q.-G. Liu, "On the use of the FNTF algorithm in subband acoustic echo cancellation," Canadian J. of Electrical and Computer Engineering, vol. 25, pp. 121-129, July 2000.

• Q.-G. Liu, B. Champagne and K. C. Ho, "Simple design of oversampled uniform DFT filter banks with applications to subband acoustic echo cancellation," Signal Processing, vol. 80, pp. 831-847, May 2000.

• B. Champagne, "On the asymptotic convergence and numerical stability of the Proteus EVD trackers," IEEE Trans. on Signal Processing, vol. 48, pp. 242-246, Jan. 2000.

• S. Valaee, B. Champagne and P. Kabal, "Localization of wideband signals using least-squares and total least-squares approaches," IEEE Trans. on Signal Processing, vol. 47, pp. 1213-1222, May 1999.

• P. Pango and B. Champagne, "On the efficient use of Givens rotations in SVD-based subspace tracking algorithms," Signal Processing, vol. 74, pp. 253-277, May 1999.

• B. Champagne and Q.-G. Liu, "Plane rotation-based EVD updating schemes for efficient subspace tracking," IEEE Trans. on Signal Processing, vol. 46, pp. 1886-1900, July 1998.

• Stéphenne and B. Champagne, "A new cepstral prefiltering technique for estimating time delay under reverberant conditions," Signal Processing, vol. 59, pp. 253-266, June 1997.

• Q.-G. Liu, B. Champagne and P. Kabal, "A microphone array processing technique for speech enhancement in a reverberant space," Speech Communication, vol. 18, pp. 317-334, June 1996.

• B. Champagne, S. Bédard and A. Stéphenne, "Performance of time delay estimation in the presence of room reverberation," IEEE Trans. on Speech and Audio Processing, vol. 4, pp. 148-152, Feb. 1996.

• S. Valaee, B. Champagne and P. Kabal, "Parametric localization of distributed sources," IEEE Trans. on Signal Processing, vol. 43, pp. 2144-2153, Sept. 1995.

• B. Champagne, "Adaptive eigendecomposition of data covariance matrices based on first-order perturbations," IEEE Trans. on Signal Processing, vol. 42, pp. 2758-2770, Oct. 1994.

• J. An and B. Champagne, "GSC realizations using the two-dimensional transform-domain LMS algorithm," IEE Proc. - Radar, Sonar Navigation, vol. 141, pp. 270-278, Oct. 1994.

• B. Champagne, "Simulation of the response of multiple microphones to a moving point source," Applied Acoustics, vol. 42, pp. 313-332, no. 4, Aug. 1994.

• B. Champagne, W. Hereman and P. Winternitz, "The computer calculation of Lie point symmetries of large systems of differential equations," Computer Physics Communications, vol. 66, pp. 319-340, 1991.

• B. Champagne, M. Eizenman and S. Pasupathy, "Exact maximum likelihood time delay estimation for short observation intervals," IEEE Trans. on Acoust., Speech, Signal Processing, vol. 39, pp. 1245-1257, June 1991.

• B. Champagne, M. Eizenman and S. Pasupathy, "Factorization properties of optimum space-time processors in non-stationary environments," IEEE Trans. on Acoust., Speech, Signal Processing, vol. 38, pp. 1853-1869, Nov. 1990.

• B. Champagne and P. Winternitz, "On the infinite-dimensional symmetry group of the Davey-Stewartson equations," J. Math. Phys., vol. 29, pp. 1-8, Jan. 1988.

Conference Papers

CCECE = Canadian Conference on Electrical and Computer Engineering
EUSIPCO = European Signal Processing Conference
ICASSP = International Conference on Acoustics, Speech, and Signal Processing
VTC = Vehicular Technology Conference

• N. Ehtiati and B. Champagne, "Dual transform-domain echo canceller for discrete multitone systems," to be presented at IEEE Globecom, Hawaii, U.S.A., Dec. 2009.

• B. Champagne, A. El-Keyi and C.-C. Tu, "A subspace method for the blind identification of multiple time-varying FIR channels," to be presented at IEEE Globecom, Hawaii, U.S.A., Dec. 2009.

• E. Plourde and B. Champagne, "Bayesian spectral amplitude estimation for speech enhancement with correlated spectral components," in Proc. IEEE Workshop on Statistical Signal Processing, Cardiff, U.K., 2009.

• B. Gao, C.-C. Tu and B. Champagne, "Computationally efficient approaches for blind adaptive beamforming in SIMO-OFDM systems," in Proc. IEEE Pacific Rim Conf., Victoria, British Columbia, Aug. 2009.

• C.-C. Tu and B. Champagne, "On convergence properties of subspace trackers based on orthogonal iteration," in Proc. IEEE Pacific Rim Conf., Victoria, British Columbia, Aug. 2009.

• A. El-Keyi and B. Champagne, "Adaptive training-based collaborative MIMO beamforming for multiuser relay networks" in Proc. IEEE VTC Spring-09, Barcelona, Spain, April 2009, 5 pages.

• C.-C. Tu and B. Champagne, "Subspace tracking of fast time-varying channels in precoded MIMO-OFDM systems," in Proc. ICASSP-09, Taipei, Taiwan, April 2009, pp. 2565-2568.

• G. Smecher and B. Champagne, "Crossing-point estimation for sampled random signals" in Proc. IEEE CCECE-08, Niagara, Ontario, May 2008,  pp. 193-196.

• C.-C. Tu and B. Champagne, "Subspace blind MIMO-OFDM channel estimation with short averaging periods: performance analysis", in Proc. IEEE Wireless Communications and Networking Conf. (WCNC), Las Vegas, Nevada, U.S.A, Mar. 2008, pp. 24-29.

• W. Chu and B. Champagne, "Further studies of a FFT-based auditory spectrum with application in audio classification," in Proc. 9^th Int. Conf. on Signal Processing (ICSP), Beijing, China, Oct. 2008, pp. 2729 – 2733.

• E. Plourde and B. Champagne, "Perceptually based speech enhancement using the weighted β-SA estimator," in Proc. ICASSP-08, Las Vegas, Nevada, U.S.A., April 2008, pp. 4193-4196.

• A. El-Keyi and B. Champagne, "Cooperative MIMO-beamforming for multiuser relay networks," in Proc. ICASSP-08, Las Vegas, Nevada, U.S.A., April 2008, pp. 2749-2752.

• N. Ehtiati  and  B. Champagne, "Linearly constrained adaptive echo cancellation for discrete multitone Systems," in Proc. IEEE Int. Sym. on Signal Processing and Information Technology (ISSPIT), Egypt, Dec. 2007, pp. 584-589.

• B.-O. Kwun, A.  El-Keyi and B. Champagne, "Robust transmit beamforming for collaborative MIMO-OFDM systems," in Proc. IEEE Int. Sym. on Signal Processing and Information Technology (ISSPIT), Egypt, Dec. 2007, pp.  443 – 448.

• A. El-Keyi  and  B. Champagne," Robust channel feedback for collaborative uplink beamforming," in Proc. IEEE Int. Sym. on Signal Processing and Information Technology (ISSPIT), Egypt, Dec. 2007, pp. 318 - 322.

• A. El-Keyi and B. Champagne, "Decentralized collaborative uplink beamforming with robustness against channel mismatches," in Proc. 41^st Asilomar Conference on Signals, Systems and Computers, Pacific Grove, California, U.S.A., Nov. 2007, pp. 2235-2238.

• A. El-Keyi and B. Champagne, "Semi-blind adaptive beamforming for cyclostationary signals: a Kalman filtering approach," in Proc. 41^st Asilomar Conference on Signals, Systems and Computers, Pacific Grove, California, U.S.A., Nov. 2007, pp. 2239-2242.

• C.-C. Tu and B. Champagne, "Subspace-based blind channel estimation for MIMO-OFDM systems: reducing the time averaging interval of the correlation matrix," in Proc. 18th Int. Symp. on Personal Indoor and Mobile Radio Communications (PIMRC), Sept. 2007, 5 pages.

• P. Kechichian and B. Champagne, "An improved partial Haar dual adaptive filter for sparse echo cancellation," in Proc. 15^th EUSIPCO, Poznan, Poland, Sept. 2007, pp. 203-207.

• E. Plourde and B. Champagne, "Integrating the cochlea’s compressive nonlinearity in the Bayesian approach for speech enhancement," in Proc. 15^th EUSIPCO, Poznan, Poland, Sept. 2007, pp. 70-74.

• W. Chu and B. Champagne, "An improved implementation for an auditory-inspired FFT model with application in audio classification," in Proc. IEEE Int. Conf. on Multimedia and Expo, Beijing, China, July 2007, pp. 196-199.

• F. Duplessis-Beaulieu and B. Champagne, "One-tap equalizer for perfect reconstruction DFT filter bank transceivers," in Proc. URSI Int. Symp. on Signals, Systems and Electronics,  Montreal, Quebec, July 2007, pp. 391-394.

• E. Plourde and B. Champagne, "Further analysis of the beta-Order MMSE STSA estimator for speech enhancement," in Proc. IEEE CCECE-07, Vancouver, British Columbia, April 2007, pp. 1594-1597.

• B. Pelletier and B. Champagne, "Group-based block linear successive interference cancellation for DS-CDMA," in Proc. IEEE Globecom Conf., San Francisco, California, USA, Nov. 2006, 5 pages.

• B. Pelletier and B. Champagne, "Group-based linear parallel interference cancellation for DS-CDMA systems," in Proc. IEEE VTC Fall-06, Montréal, Quebec, Sept. 2006, 5 pages.

• W. Chu and B. Champagne, "A noise-robust FFT-based spectrum for audio classification," in Proc. 2006 IEEE ICASSP-06, Toulouse, France, May 2006, vol. 5, pp. 213-216.

• F. Duplessis-Beaulieu and B. Champagne, "MMSE equalization for zero padded multicarrier systems with insufficient guard length," in Proc. IEEE ICASSP-06, Toulouse, France, May 2006, vol. 5, pp. 377-380.

• W. Chu and B. Champagne, "A simplified early auditory model with application in speech/music classification," in Proc. IEEE CCECE-06, Ottawa, Ontario, May 2006, pp. 578-581.

• B. Pelletier and B. Champagne , "Group-optimal linear space-time multiuser detection," in Proc. IEEE CCECE-06, Ottawa, Ontario, May 2006, pp. 1761-1765.

• F. Duplessis-Beaulieu and B. Champagne, "Multicarrier modulation using perfect reconstruction DFT filter bank transceivers,"  in Proc 5^th Int. Conf. on Information, Communications and Signal Proc.  (ICICS), Bangkok, Thailand, Dec. 2005, pp. 111-115.

• B. Pelletier, W. Kang and B. Champagne, "Improved multiuser blind CCD-based vector channel estimation in colored noise," in Proc. IEEE VTC Spring-05, Stockholm, Sweden, June 2005, vol. 2, pp. 778-782.

• B. Pelletier and B. Champagne, "Group optimal space-time MUD with beamforming," in Proc. IEEE VTC Spring-05, Stockholm, Sweden, June 2005, vol. 2, pp. 1323-1327.

• J.-F. Marceau and B. Champagne, "A reduced complexity multi-rate echo canceller for DMT based DSL systems," in Proc. IEEE CCECE-05,, Saskatoon, Saskatchewan, May 2005, pp. 1202-1207.

• M. Ghanassi, J.-F. Marceau, F. Duplessis-Beaulieu and B. Champagne, "Analysis of ADSL2’s 4D-TCM performance," in Proc. IEEE CCECE-05, Saskatoon, Saskatchewan, May 2005, pp 1850-1854.

• B. Pelletier, J. Mao and B. Champagne, "Comparative study of uplink and downlink beamforming algorithms in UTRA/TDD," in Proc. IEEE VTC Spring-04, Milan, Italy, May 2004, vol. 2, pp. 1162-1166.

• L. Gagnon, S. Foucher, V. Gouaillier, C. Brun, J. Brousseau, G. Boulianne, F. Osterrath, C. Chapdelaine, J. Dutrisac, F. St-Onge, B. Champagne and  X. Lu, "MPEG-7 audio-visual indexing test-bed for video retrieval," in Proc. SPIE Internet Imaging V, San Jose, California, U.S.A., Jan. 2004, vol. 5304 , pp. 319-329.

• X. Lu and B. Champagne, "Acoustic echo cancellation with post-filtering in subband," in Proc. 2003 IEEE Workshop on Applications of Signal Processing to Audio and Acoustics, New Paltz, New York, U.S.A., Oct. 2003, pp. 29-32.

• W. Kang and B. Champagne, "Generalized blind subspace channel estimation," in Proc. IEEE VTC Fall-03, Orlando, Florida, U.S.A, Oct. 2003, vol. 2, pp. 1209-1213.

• C. G. Bénar, R. N. Gunn, C. Grova B. Champagne and J. Gotman. "fMRI and EEG dipole statistical maps in epilepsy: developing models," in Proc. 4th Symp. on Non-invasive Functional Source Imaging within the Human Brain and Hearth, Chieti, Italy, Sept. 2003.

• C. G. Bénar, R. N. Gunn, Y. Agha Khani, A. Bagshaw, B. Champagne and J. Gotman. "EEG statistical maps of localization of epileptic spikes: a tool for comparison with fMRI and SEEG," 9th Intl Conf. on Functional Mapping of the Human Brain, New York, U.S.A., June 2003 (Abstract).

• B. Champagne, W. Kang and H. C. Tam, "Improved strategy for adaptive rank estimation with spherical subspace trackers," in Proc. IEEE CCECE-03, Montreal, Quebec, May 2003, vol. 3, pp. 2029-2034.

• N. Caouras, M. Freda, F. Monfet, V.S. Aldea, O. Naeem, T. Le-Ngoc and B. Champagne, "Performance evaluation platform for XDSL deployment in a complex multi-segment environment," in Proc. IEEE CCECE-03, Montreal, Quebec, May 2003, vol. 1, pp. 61-64.

• B. Pelletier and B. Champagne, "Estimation of high-speed data radio transmission line parameters," in Proc. IEEE CCECE-03, Montreal, Quebec, May 2003, vol. 3, pp. 1997-2000.

• W. Kang and B. Champagne, "A low-complexity adaptive blind subspace channel estimation algorithm," in Proc. IEEE ICASSP-03, Hong Kong, April 2003, vol. IV, pp. 321-324.

• F. Duplessis-Beaulieu and B. Champagne, "Fast convolutive blind speech separation via subband adaptation," in Proc. IEEE ICASSP-03, Hong Kong, April 2003, vol. V, pp. 513-516.

• X. Lu and B. Champagne, "A centralized acoustic echo canceller exploiting masking properties of the human ear," in Proc. IEEE ICASSP-03, Hong Kong, April 2003, vol. V, pp. 377-380.

• X. Lu and B. Champagne, "Pitch analysis-based acoustic echo cancellation over a non-linear channel," in Proc. 11^th EUSIPCO, Toulouse, France, Sept. 2002, vol. I, pp. 159-162.

• Y. Chen, T. Le-Ngoc, B. Champagne, "A fast RLS-CM algorithm for blind adaptive beamforming," in Proc. IASTED Int. Conf. on Wireless and Optical Communications, Banf, Alberta, July 2002, pp. 15-20.

• C. G. Bénar, R. N. Gunn, B. Champagne and J. Gotman, "Probabilistic methods for the EEG inverse problem," 4^th Int. Conf. on Bioelectromagnetism, Montreal, Quebec, July 2002.

• F. Jabloun and B. Champagne, "A multi-microphone beamformer with an eigendomain postfilter," in Proc. 21st Biennial Symp. on Communications, Kingston, Ontario, June 2002, pp. 520-523.

• X. Lu and B. Champagne, "Subspace approach for the suppression of the nonlinear acoustic echo introduced by loudspeakers," in Proc. 21st Biennial Symp. on Communications, Kingston, Ontario, Canada, June 2002, pp. 512-515.

• F. Jabloun and B. Champagne, "A perceptual signal subspace approach for speech enhancement in colored noise," in Proc. IEEE ICASSP-02, Orlando, Florida, U.S.A., May 2002, vol. 1, pp. 569-572.

• F. Jabloun and B. Champagne, "On the use of masking properties of the human ear in the signal subspace speech enhancement approach," in Proc. 7^th IEEE/EURASIP Int. Workshop on Acoustic Echo and Noise Control (IWAENC), Darmstadt, Germany, Sept. 2001, pp. 199-202.

• X. Lu and B. Champagne, "Acoustic echo cancellation over a non-linear channel," in Proc. 7^th IWAENC, Darmstadt, Germany, Sept. 2001, pp. 139-142.

• J. Mao, B. Champagne, M. O'Droma and L. Ge, "A new algorithm for joint DOA and multipath delay estimation: separable dimension subspace method," in Proc. 11th IEEE Workshop on Statistical Signal Processing (SSP), Singapore, August 2001, pp. 504-507.

• F. Jabloun and B. Champagne, "A multi-microphone signal subspace approach for speech enhancement," in Proc. IEEE ICASSP-01, Salt Lake City, Utah, U.S.A., May 2001, vol. I, pp. 205-208.

• J. Mao, B. Champagne, M. O'Droma and K. Kwiat, "Separable dimension subspace method for joint signal frequencies, DOAs and sensor mutual coupling estimation," in Proc. 34^th Asilomar Conf. on Signals, Systems & Computers., Pacific Grove, California, U.S.A., Oct. 2000, pp. 605--609.

• M. Biguesh, B. Champagne and S. Valaee, "A novel approach to array steering vector estimate improvement," in Proc. 10^th EUSIPCO, Tampere, Finland, Sept. 2000, Vol. III, pp. 1601-1604.

• M. Biguesh, S. Valaee and B. Champagne, "A new beamforming algorithm based on signal subspace eigenvectors," in Proc. 10^th IEEE Workshop on Statistical and Array Proc., Pocono Manor, Pennsylvania, U.S.A., Aug. 2000, pp. 444-447.

• F. Jabloun and B. Champagne, "A fast subband room response simulator," in Proc. IEEE ICASSP-00, Istanbul, Turkey, June 2000, vol. II, pp. 925-928.

• M. Biguesh, B. Champagne, S. Valaee, and M. H. Bastani, "A New Algorithm for Interference Reduction Using Reduced-Rank Method," in Proc. 8^th Iranian Conf. Electrical Eng., Tehran, Iran, May 2000, pp. 281-287 (in Persian).

• M. Biguesh, B. Champagne, S. Valaee and A. Stéphenne, "BER improvement in a TDMA/FDMA cellular system using antenna array," in Proc. 33^rd Asilomar Conference on Signals, Systems and Computers, Pacific Grove, California, U.S.A., Oct. 1999, vol. 1, pp. 606-610.

• M. Ghanassi and B. Champagne, "On the fixed-point implementation of a subband acoustic echo canceller based on a modified FAP algorithm," in Proc. 6^th IWAENC, Pocono Manor, Pennsylvania, U.S.A., Sept. 1999, pp. 128-131.

• P. Pango and B. Champagne, "Subspace-based line and curve extraction from noisy images," in Proc. IEEE CCECE-99, Edmonton, Alberta, Canada, May. 1999, vol. 2, pp. 861-866.

• Stéphenne and B. Champagne, "Improving the performance of blind CDMA 2D-RAKE receivers with phase ambiguity and bit decision variable," in Proc. 32^nd Asilomar Conference on Signals, Systems and Computers, Pacific Grove, California, U.S.A., Nov. 1998, pp. 1882-1886.

• B. Champagne and F. Caron, "On the use of the FNTF algorithm in subband acoustic echo cancellation," in Proc. 1998 Canadian Acoustics Association, London, Ontario, Oct. 1998, pp. 30-31.

• P. Pango and B. Champagne, "On the issue of rank estimation in subspace tracking: the NA-CSVD solution," in Proc. 9^th EUSIPCO, Rhodes, Greece, Sept. 1998, vol. 3, pp. 1773-1776.

• S. Valaee and B. Champagne, "Sufficient conditions for the unique localization of distributed sources," in Proc. 9^th EUSIPCO, Rhodes, Greece, Sept. 1998, vol. 3, pp. 1801-1804.

• Stéphenne and B. Champagne, "Convergence properties of blind algorithms for base station CDMA receivers," in Proc. IEEE ICASSP-98, Seattle, Washington, U.S.A., May 1998, pp. 3181-3184.

• Stéphenne and B. Champagne, "A new multi-path vector channel simulator for the performance evaluation of antenna array systems," in Proc. 8^th Int. Symp. on Personal Indoor and Mobile Radio Comm. (PIMRC), Helsinki, Finland, Sept. 1997, pp. 1225-1229.

• Q.-G. Liu and B. Champagne, "Simple design of filter banks for subband adaptive filtering," in Proc. 5^th IWAENC, London, U.K., Sept. 1997, pp. 132-135.

• S. Valaee, B. Champagne and P. Kabal, "Sinusoidal signal detection using the minimum description length and the predictive stochastic complexity," in Proc. 13^th Int. Conf. on Digital Signal Proc., Santorini, Greece, July 1997, pp. 1023-1026.

• Stéphenne and B. Champagne, "On the simulation of multi-path vectorial channels for the evaluation of antenna array systems," in Proc. IEEE CCECE-97, St- John's, Newfoundland, May 1997, pp. 347-350.

• P. Pango and B. Champagne, "Accurate subspace-tracking algorithms based on cross-space properties," in Proc. IEEE ICASSP-97, Munich, Germany, April 1997, vol. 5, pp. 3833-3836.

• S. Valaee, B. Champagne and P. Kabal, "Using information theoretic techniques for sinusoidal signal resolution," in Proc. 1997 Int. Conf. on Telecommunications (ICT), Melbourne, Australia, April 1997, pp. 1067-1072.

• S. Shahbazpanahi, S. Valaee, B. Champagne and P. Kabal, "Extended Source Localization using the ESPRIT Algorithm," in Proc. ICT-97, Melbourne, Australia, April 1997, pp. 1033-1037.

• B. Champagne, "SVD-updating via constrained perturbations with applications to subspace tracking," in Proc. 30^th Asilomar Conf., Pacific Grove, California, U.S.A., Nov. 1996, pp. 1379-1385.

• Q.-G. Liu and B. Champagne, "An adaptive ESPRIT algorithm based on perturbation of unsymmetrical matrices," in Proc. 8^th EUSIPCO, Trieste, Italy, Sept. 1996, pp. 539-542.

• Q.-G. Liu and B. Champagne, "On the use of a modified fast affine projection algorithm in subbands for acoustic echo cancellation," in Proc. 7^th IEEE Digital Signal Processing Workshop, Loen, Norway, Sept. 1996, pp. 354-357.

• B. Champagne and Q.-G. Liu, "A new family of EVD tracking algorithms using Givens rotations," in Proc. IEEE ICASSP-96, Atlanta, Georgia, U.S.A.., May 1996, vol. V, pp. 2539-2542.

• B. Champagne, "Adaptive subspace tracking using a constrained linearization approach," in Proc. Int. Conf. Neural Network and Signal Processing, Nanjing, China, Dec. 1995, pp. 1083-1086.

• S. D. Peters and B. Champagne, "Enhancing weak input modes for improved NLMS convergence," in Proc. IEEE CCECE-95, Montreal, Quebec, Sept. 1995, pp. 949-952.

• Q.-G. Liu, B. Champagne and P. Kabal, "Room speech dereverberation via minimum-phase and all-pass component processing of multi-microphone signals," in  Proc. IEEE Pacific Rim Conf. on Comm., Computers and Signal Processing, Victoria, Canada, May 1995, pp. 571-574.

• Stéphenne and B. Champagne, "Cepstral prefiltering for time delay estimation in reverberant environments," in Proc. IEEE ICASSP-95, Detroit, Michigan, U.S.A., May 1995, pp. 3055-3058.

• S. Valaee, P. Kabal and B. Champagne, "A parametric approach for extended source localization," in Proc. 7th EUSIPCO, Edinburgh, Scotland, Sept. 1994, pp. 764-767.

• S. Bédard, B. Champagne and A. Stéphenne, "Effects of room reverberation on time-delay estimation performance," in Proc. IEEE ICASSP-94, Adelaide, Australia, April 1994, vol. II, pp. 261-264.

• S. Valaee, P. Kabal and B. Champagne, "Localization of distributed sources," in Proc. 14th Gretsi Symposium on Signal and Image Processing, Juan les Pins, France, Sept. 1993, pp. 289-292.

• J. An and B. Champagne, "Adaptive beamforming via two-dimensional cosine transform," in Proc. IEEE Pacific Rim Conf. on Comm., Computers and Signal Processing, Victoria, Canada, May 1993, pp. 13-16.

• B. Champagne, "Source detection and DOA estimation from two observations of a finite line aperture," in Proc. IEEE ICASSP-93, Minneapolis, Minnesota, U.S.A., April 1993, vol. IV, pp. 61-64.

• B. Champagne, "DOA estimation from sensor array measurements taken at two distinct times," in Proc. 6th IEEE SP Workshop on Statistical Signal and Array Processing, Victoria, Canada, Oct. 1992, pp. 272 275.

• B. Champagne, "A new adaptive eigendecomposition algorithm based on a first-order perturbation criterion" in Proc. IEEE ICASSP, San Francisco, California, U.S.A., March 1992, vol. V, pp. 409-412.

• Lobo, B. Champagne and P. Kabal, "On the use of a split-beam array for tracking a moving talker," presented at the 122nd Meeting of the Acoustical Society of America, Houston, Texas, U.S.A., Nov. 1991 (Abstract).

• B. Champagne, A. Lobo and P. Kabal, "Efficient methods for simulating a moving talker in a rectangular room," in Proc. of the 1991 IEEE Workshop on Applications of Signal Processing to Audio and Acoustics, New Paltz, New York, U.S.A., Oct. 1991, Paper 7.1.

• B. Champagne, M. Eizenman and S. Pasupathy, "Maximum-likelihood estimation of time-varying delays in the presence of directional interference," in Proc. IEEE ICASSP-91, Toronto, Canada, May 1991, pp. 1269-1272.

• B. Champagne, "Adaptive signal-subspace processing based on first-order perturbation analysis," in Proc. 1991 IEEE Pacific Rim Conf. on Communications, Computers and Signal Processing, Victoria, Canada, May 1991, pp. 120-123.

• B. Champagne, M. Eizenman and S. Pasupathy, "Effects of directional interference on the estimation accuracy of time-varying delays," in Proc. 1990 IASTED Intern. Conf. on Signal Processing and Digital Filtering, Lugano, Switzerland, June 1990, pp. 233-236.

• B. Champagne, M. Eizenman and S. Pasupathy, "Optimum space-time processing for semi-stationary signals in spatially correlated noise," in Proc. IEEE ICASSP-00, Albuquerque, New Mexico, U.S.A., April 1990, pp. 2879-2882.

• B. Champagne, M. Eizenman, S. Pasupathy, "Exact maximum likelihood time delay estimation," in Proc. IEEE ICASSP-89, Glasgow, Scotland, May 1989, pp. 2633-2636.