Fady Alajaji - Publications

Joint Source-Channel Coding and Applications
to Image/Speech Communication


Journal Papers:    (In chronological order)

  1. F. Alajaji, N. Phamdo, N. Farvardin, and T. Fuja, ``Detection of Binary Markov Sources Over Channels with Additive Markov Noise,'' IEEE Transactions on Information Theory, Vol. 42, No. 1, pp. 230-239, January 1996.   PDF

  2. F. Alajaji, N. Phamdo, and T. Fuja, ``Channel Codes That Exploit the Residual Redundancy in CELP-Encoded Speech,'' IEEE Transactions on Speech and Audio Processing , Vol. 4, No. 5, pp. 325-336, September 1996.   PDF

  3. N. Phamdo, F. Alajaji, and N. Farvardin, ``Quantization of Memoryless and Gauss-Markov Sources Over Binary Markov Channels,'' IEEE Transactions on Communications, Vol. 45, No. 6, pp. 668-675, June 1997.   PDF

  4. P. Burlina and F. Alajaji, ``An Error Resilient Scheme for Image Transmission Over Noisy Channels with Memory,'' IEEE Transactions on Image Processing, Vol. 7, No. 4, pp. 593-600, April 1998.   PDF

  5. F. Alajaji and N. Phamdo, ``Soft-Decision COVQ for Rayleigh Fading Channels,'' IEEE Communications Letters, Vol. 2, No. 6, pp. 162-164, June 1998.   PDF

  6. S. Al-Semari, F. Alajaji and T. Fuja, ``Sequence MAP Decoding of Trellis Codes for Gaussian and Rayleigh Channels,'' IEEE Transactions on Vehicular Technology, Vol. 48, No. 4, pp. 1130-1140, July 1999.   PDF

  7. F. Alajaji, S. Al-Semari and P. Burlina, ``Visual Communication via Trellis Coding and Transmission Energy Allocation,'' IEEE Transactions on Communications, Vol. 47, No. 11, pp. 1722-1728, November 1999.   PDF

  8. N. Phamdo and F. Alajaji, ``Soft-Decision Demodulation Design for COVQ over White, Colored, and ISI Gaussian Channels,'' IEEE Transactions on Communications, Vol. 48, No. 9, pp. 1499-1506, September 2000.   PDF

  9. H. Kuai, F. Alajaji and G. Takahara, ``Tight Error Bounds for Non-Uniform Signaling over AWGN Channels,'' IEEE Transactions on Information Theory, Vol. 46, No. 7, pp. 2712-2718, November 2000.   PDF

  10. G.-C. Zhu and F. Alajaji, ``Soft-Decision COVQ for Turbo-Coded AWGN and Rayleigh Fading Channels,'' IEEE Communications Letters, Vol. 5, No. 6, pp. 257-259, June 2001.   PDF

  11. G.-C. Zhu and F. Alajaji, ``Turbo Codes for Non-Uniform Memoryless Sources over Noisy Channels,'' IEEE Communications Letters, Vol. 6, No. 2, pp. 64-66, February 2002.   PDF

  12. M. Skoglund, N. Phamdo and F. Alajaji, ``Design and Performance of VQ-Based Hybrid Digital-Analog Joint Source-Channel Codes,'' IEEE Transactions on Information Theory, Vol. 48, No. 3, pp. 708-720, March 2002.   PDF

  13. A. Nazer and F. Alajaji, ``Unequal Error Protection and Source-Channel Decoding of CELP Speech,'' IEE Electronics Letters, Vol. 38, No. 7, pp. 347-349, 28th March 2002.   PDF

  14. G. Takahara, F. Alajaji, N. C. Beaulieu and H. Kuai, ``Constellation Mappings for Two-Dimensional Signaling of Non-Uniform Sources,'' IEEE Transactions on Communications, Vol. 51, No. 3, pp. 400-408, March 2003.   PDF

  15. G.-C. Zhu, F. Alajaji, J. Bajcsy and P. Mitran, ``Transmission of Non-Uniform Memoryless Sources via Non-Systematic Turbo Codes,'' IEEE Transactions on Communications, Vol. 52, No. 8, pp. 1344-1354, August 2004.   PDF

  16. L. Zhong, F. Alajaji and G. Takahara, ``Error Analysis for Nonuniform Signaling over Rayleigh Fading Channels,'' IEEE Transactions on Communications, Vol. 53, No. 1, pp. 39-43, January 2005.   PDF

  17. F. Behnamfar, F. Alajaji and T. Linder, ``Image Transmission over the Polya Channel via Channel-Optimized Quantization,'' IEEE Transactions on Signal Processing, Vol. 53, No. 2, pp. 728-733, February 2005.   PDF

  18. Z. Raza, F. Alajaji and T. Linder, ``Design of Sample Adaptive Product Quantizers for Noisy Channels,'' IEEE Transactions on Communications, Vol. 53, No. 4, pp. 576-580, April 2005.   PDF

  19. G.-C. Zhu and F. Alajaji, ``Joint Source-Channel Turbo Coding for Binary Markov Sources,'' IEEE Transactions on Wireless Communications, Vol. 5, No. 5, pp. 1065-1075, May 2006.   PDF

  20. M. Skoglund, N. Phamdo and F. Alajaji, ``Hybrid Digital-Analog Source-Channel Coding for Bandwidth Compression/Expansion,'' IEEE Transactions on Information Theory, Vol. 52, No. 8, pp. 3757-3763, August 2006.   PDF

  21. F. Behnamfar, F. Alajaji and T. Linder, ``Channel-Optimized Quantization with Soft-Decision Demodulation for Space-Time Orthogonal Block-Coded Channels,'' IEEE Transactions on Signal Processing, Vol. 54, No. 10, pp. 3935-3946, October 2006.   PDF

  22. F. Behnamfar, F. Alajaji and T. Linder, ``MAP Decoding for Multi-Antenna Systems with Non-Uniform Sources: Exact Pairwise Error Probability and Applications,'' IEEE Transactions on Communications, Vol. 57, No. 1, pp. 242-254, January 2009.   PDF

  23. H. Ebrahimzadeh Saffar, F. Alajaji and T. Linder, ``COVQ for MAP Hard-Decision Demodulated Channels,'' IEEE Communications Letters, Vol. 13, No. 1, pp. 28-30, January 2009.   PDF

  24. Y. Wang, F. Alajaji and T. Linder, ``Hybrid Digital-Analog Coding with Bandwidth Compression for Gaussian Source-Channel Pairs, IEEE Transactions on Communications, Vol. 57, No. 4, pp. 997-1012, April 2009.   PDF

  25. B. Moore, G. Takahara and F. Alajaji, ``Pairwise Optimization of Modulation Constellations for Non-Uniform Sources,'' IEEE Canadian Journal of Electrical and Computer Engineering, Vol. 34, No. 4, pp. 167-177, October 2010.   PDF

  26. A. Abou Saleh, W.-Y. Chan and F. Alajaji, ``Compressed Sensing with Nonlinear Analog Mapping in a Noisy Environment,'' IEEE Signal Processing Letters, Vol. 19, No. 1, pp. 39-42, January 2012.   PDF

  27. S. Shahidi, F. Alajaji and T. Linder, ``MAP Detection and Robust Lossy Coding Over Soft-Decision Correlated Fading Channels,'' IEEE Transactions on Vehicular Technology, Vol. 62, No. 7, pp. 3175-3187, September 2013.   PDF

  28. T.-Y. Wu, P.-N. Chen, F. Alajaji and Y. S. Han, ``On the Design of Variable-Length Error-Correcting Codes,'' IEEE Transactions on Communications, Vol. 61, No. 9, pp. 3553-3565, September 2013.   PDF

  29. J. Kron, F. Alajaji and M. Skoglund, ``Low-Delay Joint Source-Channel Mappings for the Gaussian MAC,'' IEEE Communications Letters, Vol. 18, No. 2, pp. 249-252, February 2014.   PDF

  30. A. Abou Saleh, F. Alajaji and W.-Y. Chan, ``Low-Latency Source-Channel Coding for Fading Channels with Correlated Interference,'' IEEE Wireless Communications Letters, Vol. 3, No. 2, pp. 137-140, April 2014.   PDF

  31. A. Abou Saleh, W.-Y. Chan and F. Alajaji, ``Source-Channel Coding for Fading Channels with Correlated Interference,'' IEEE Transactions on Communications, Vol. 62, No. 11, pp. 3997-4011, November 2014.   PDF

  32. T. Mitchell, F. Alajaji and T. Linder, ``Binary Signaling of Correlated Sources over Orthogonal Multiple Access Channels,'' IEEE Wireless Communications Letters, Vol. 4, No. 5, pp. 501-504, October 2015.   PDF

  33. A. Abou Saleh, F. Alajaji and W.-Y. Chan, ``Source-Interference Recovery over Broadcast Channels: Asymptotic Bounds and Analog Codes,'' IEEE Transactions on Communications, Vol. 64, No. 8, pp. 3406-3418, August 2016.   PDF

  34. S. P. Beheshti, F. Alajaji and T. Linder, `` Optimal Joint Decoding of Correlated Data over Orthogonal Multiple Access Channels with Memory,'' IEEE Transactions on Vehicular Technology, Vol. 66, No. 1, pp. 79-94, January 2017.   PDF

  35. C. Huang, T.-Y. Wu, P.-N. Chen, F. Alajaji and Y. S. Han, ``An Efficient Tree Search Algorithm for the Free Distance of Variable-Length Error-Correcting Codes,'' IEEE Communications Letters,, to appear.


Conference Papers:    (In reverse chronological order)

  1. A. Abou Saleh, F. Alajaji and W.-Y. Chan, ``Analog Coding for Gaussian Source and State Interference Estimation,'' Proceedings of the IEEE International Workshop on Signal Processing Advances in Wireless Communications, Stockholm, Sweden, June-July 2015.   PDF

  2. S. P. Beheshti, F. Alajaji and T. Linder, ``MAP Decoding of Correlated Sources over Soft-Decision Orthogonal Multiple Access Fading Channels with Memory,'' Proceedings of the IEEE Vehicular Technology Conference, Fall 2014, Vancouver, September 2014.   PDF

  3. A. Abou Saleh, W.-Y. Chan and F. Alajaji, ``Power-Constrained Low-Complexity Coding of Compressed Sensing Measurements,'' Proceedings of the IEEE International Workshop on Signal Processing Advances in Wireless Communications, Toronto, June 2014.   PDF

  4. A. Abou Saleh, F. Alajaji and W.-Y. Chan, ``Distortion Bounds for Broadcasting a Gaussian Source in the Presence of Interference,'' Proceedings of the 27th Biennial Symposium on Communications, Kingston, June 2014.   PDF

  5. A. Abou Saleh, F. Alajaji and W.-Y. Chan, ``Hybrid Digital-Analog Coding for Interference Broadcast Channels,'' Proceedings of the IEEE International Symposium on Information Theory, Istanbul, Turkey, July 2013.   PDF

  6. A. Abou Saleh, W.-Y. Chan and F. Alajaji, ``Low and High-Delay Source-Channel Coding with Bandwidth Expansion and Correlated Interference,'' Proceedings of the Thirteenth Canadian Workshop on Information Theory, Toronto, June 2013.   PDF

  7. S. Shahidi, F. Alajaji and T. Linder, ``MAP Decoding of Quantized Sources over Soft-Decision Fading Channels with Memory,'' Proceedings of the Communication Theory Symposium, IEEE International Conference on Communications, Ottawa, June 2012.   PDF

  8. A. Abou Saleh, F. Alajaji and W.-Y. Chan, ``Power-Constrained Bandwidth-Reduction Source-Channel Mappings for Fading Channels,'' Proceedings of the 26th Biennial Symposium on Communications, Kingston, May 2012.   PDF

  9. A. Abou Saleh, W.-Y. Chan and F. Alajaji, ``Compressed Sensing with Shannon-Kotel'nikov Mapping in the Presence of Noise,'' Proceedings of the Nineteenth European Signal Processing Conference, Barcelona, Spain, August-September 2011.   PDF

  10. T.-Y. Wu, P.-N. Chen, F. Alajaji and Y. S. Han, ``On the Construction and MAP Decoding of Optimal Variable-Length Error-Correcting Codes,'' Proceedings of the IEEE International Symposium on Information Theory, Saint-Petersburg, Russia, July-August 2011.   PDF

  11. A. Abou Saleh, F. Alajaji and W.-Y. Chan, ``Hybrid Digital-Analog Source-Channel Coding with One-to-Three Bandwidth Expansion,'' Proceedings of the Twelfth Canadian Workshop on Information Theory, Kelowna, BC, May 2011.   PDF

  12. S. Shahidi, F. Alajaji and T. Linder, ``Exploiting Memory and Soft-Decision Information in Channel Optimized Quantization for Correlated Fading Channels,'' Proceedings of the Twelfth Canadian Workshop on Information Theory, Kelowna, BC, May 2011.   PDF

  13. T.-Y. Wu, P.-N. Chen, F. Alajaji and Y. S. Han, ``An Optimal Variable-Length Error-Correcting Code and its Decoding,'' Proceedings of the 2011 Taiwan Winter School on Information Theory and Communications, Hsinchu, Taiwan, January 2011.

  14. B. Moore, G. Takahara and F. Alajaji, ``Pairwise Optimization of Modulation Constellations," Proceedings of the IEEE Pacific Rim Conference on Communications, Computers and Signal Processing, Victoria, BC, August 2009.   PDF

  15. H. Ebrahimzadeh Saffar, F. Alajaji and T. Linder, ``Channel Optimized Vector Quantization Based on Maximum a Posteriori Hard Decision Demodulation,'' Proceedings of the 24th Biennial Symposium on Communications, Queen's University, Kingston, June 2008.   PDF

  16. Y. Wang, F. Alajaji and T. Linder, ``Hybrid Digital-Analog Coding of Memoryless Gaussian Sources over AWGN Channels with Bandwidth Compression,'' Proceedings of the 23rd Biennial Symposium on Communications, Queen's University, Kingston, May-June 2006.   PDF

  17. F. Behnamfar, F. Alajaji and T. Linder, ``Exact Pairwise Error Probability of Space-Time Codes under MAP Decoding with Applications,'' Proceedings of the Fourty-Third Annual Allerton Conference on Communication, Control, and Computing, Monticello, IL, September 2005.   PDF

  18. Y. Wang, F. Alajaji and T. Linder, ``Design of VQ-Based Hybrid Digital-Analog Joint Source-Channel Codes for Image Communication,'' Proceedings of the 2005 Data Compression Conference, Snowbird, Utah, March 2005.   PDF

  19. F. Behnamfar, F. Alajaji and T. Linder, ``Tight Bounds on the SER and BER of Space-Time Orthogonal Block Coded Channels Under MAP Decoding,'' Proceedings of the 2004 International Symposium on Information Theory and its Applications, Parma, Italy, October 2004.   PDF

  20. F. Behnamfar, F. Alajaji and T. Linder, ``Transmission of Continuous-Alphabet Sources Over MIMO Channels,'' Proceedings of the 2004 International Symposium on Information Theory and its Applications, Parma, Italy, October 2004.   PDF

  21. G.-C. Zhu and F. Alajaji, ``Turbo Codes for Binary Markov Sources,'' Proceedings of the 2003 Canadian Workshop on Information Theory, Waterloo, Ontario, May 2003.   PDF

  22. L. Zhong, F. Alajaji and G. Takahara, ``Performance Analysis for Nonuniform Signaling over Flat Rayleigh Channels,'' Proceedings of the 2003 Canadian Workshop on Information Theory, Waterloo, Ontario, May 2003.   PDF

  23. F. Behnamfar, F. Alajaji and T. Linder, ``Soft-Decision COVQ Design for Space-Time Orthogonal Block Coded Channels,'' Proceedings of the 2003 Canadian Workshop on Information Theory, Waterloo, Ontario, May 2003.   PDF

  24. F. Behnamfar, F. Alajaji and T. Linder, ``Performance Analysis of MAP Decoded Space-Time Orthogonal Block Codes for Non-Uniform Sources,'' Proceedings of the 2003 IEEE Information Theory Workshop, Paris, France, March-April, 2003.   PDF

  25. G.-C. Zhu, F. Alajaji, J. Bajcsy and P. Mitran, ``Transmission of Non-Uniform Memoryless Sources over Wireless Fading Channels via Non-Systematic Turbo Codes,'' Proceedings of the Second IASTED International Conference on Wireless and Optical Communications, Banff, Alberta, July 2002.   PDF

  26. F. Behnamfar, F. Alajaji and T. Linder, ``Image Coding for Binary Bursty Noise Channels,'' Proceedings of the 21st Biennial Symposium on Communications, Queen's University, Kingston, June 2002.   PDF

  27. F. Behnamfar, F. Alajaji and T. Linder, ``Progressive Image Communication over Binary Channels with Additive Bursty Noise,'' Proceedings of the Data Compression Conference, Snowbird, Utah, April 2002.   PDF

  28. G.-C. Zhu, F. Alajaji, J. Bajcsy and P. Mitran, ``Non-Systematic Turbo Codes for Non-Uniform I.I.D. Sources over AWGN Channels,'' Proceedings of the Conference on Information Sciences and Systems, Princeton University, Princeton, NJ, March 2002.   PDF

  29. Z. Raza, F. Alajaji and T. Linder, ``Channel Optimized Sample Adaptive Product Quantization,'' Proceedings of the Thirty-Ninth Annual Allerton Conference on Communication, Control and Computing, Monticello, IL, October 2001.   PDF

  30. G.-C. Zhu and F. Alajaji, ``Design of Turbo Codes for Non-Equiprobable Memoryless Sources,'' Proceedings of the Thirty-Ninth Annual Allerton Conference on Communication, Control and Computing, Monticello, IL, October 2001.   PDF

  31. M. Skoglund, N. Phamdo and F. Alajaji, ``Hybrid Digital-Analog Coding for Bandwidth Compression/Expansion Using VQ and Turbo Codes,'' Proceedings of the 2001 IEEE International Symposium on Information Theory, Washington DC, June 2001.   PDF

  32. G.-C. Zhu and F. Alajaji, ``Soft-Decision COVQ Based on Turbo Codes,'' Proceedings of the Second International Symposium on Turbo Codes, Brest, France, September 2000.   PDF

  33. M. Skoglund, N. Phamdo and F. Alajaji, ``VQ-Based Hybrid Digital-Analog Joint Source-Channel Coding,'' Proceedings of the 2000 IEEE International Symposium on Information Theory, Sorrento, Italy, June 2000.   PDF

  34. G. Takahara, F. Alajaji, H. Kuai and N. C. Beaulieu, ``Constellation Mappings for Two-Dimensional Non-Uniform Signaling,'' Proceedings of the 2000 IEEE International Symposium on Information Theory, Sorrento, Italy, June 2000.   PDF

  35. H. Kuai, F. Alajaji and G. Takahara, ``Performance Bounds of Non-Uniform Signaling over AWGN Channels,'' Proceedings of CTMC'99, IEEE International Conference on Communications, Vancouver, June 1999.   PDF

  36. A. Nazer and F. Alajaji, ``Source Optimized Channel Decoding and Unequal Error Protection of CELP Encoded Speech,'' Proceedings of the 19th Biennial Symposium on Communications, Queen's University, Kingston, Ontario, June 1998.   PDF

  37. F. Alajaji and N. Phamdo, ``A Vector Quantizer for Additive White and Colored Gaussian Noise Channels,'' Proceedings of the 1997 IEEE International Symposium on Information Theory, Ulm, Germany, June 1997.   PDF

  38. F. Alajaji, S. Al-Semari and P. Burlina, ``An Unequal Error Protection Trellis Coding Scheme for Still Image Communication, '' Proceedings of the 1997 IEEE International Symposium on Information Theory, Ulm, Germany, June 1997.   PDF

  39. J. Cheng and F. Alajaji, ``Channel Optimized Quantization of Images Over Bursty Channels,'' Proceedings of the 1997 Canadian Workshop on Information Theory, Toronto, June 1997.   PDF

  40. F. Alajaji, P. Burlina and R. Chellappa, ``MAP Decoding of Gray-Level Images Over Binary Channels with Memory,'' Proceedings of the 1996 IEEE International Conference on Image Processing, Lausanne, Switzerland, September 1996.   PDF

  41. S. Al-Semari, F. Alajaji and T. Fuja, ``Sequence MAP Decoding of Trellis Codes for Gaussian and Rayleigh Channels,'' Proceedings of the International Symposium on Information Theory and Its Applications, Victoria, BC, September 1996.   PDF

  42. N. Phamdo and F. Alajaji, ``Performance of COVQ over AWGN/Rayleigh Channels with Soft-Decision BPSK Modulation,'' Proceedings of the Conference on Information Sciences and Systems, Princeton University, Princeton, NJ, March 1996.   PDF

  43. N. Phamdo, F. Alajaji, S.-I. Chen, and T. Fuja, ``Source-Dependent Channel Coding of CELP Speech Over Land Mobile Radio Channels,'' Proceedings of the 1995 IEEE Military Communications Conference, San Diego, CA, November 1995.   PDF

  44. P. Burlina, F. Alajaji, and R. Chellappa, ``Transmission of Two-Tone Images Over Noisy Channels with Memory,'' Proceedings of the 1995 IEEE International Symposium on Information Theory, Whistler, BC, September 1995.   PDF

  45. F. Alajaji, N. Phamdo, and T. Fuja, ``Channel Codes That Exploit the Residual Correlation in CELP-Encoded Speech,'' Proceedings of the 1995 IEEE International Symposium on Information Theory, Whistler, BC, September 1995.   PDF

  46. F. Alajaji, N. Phamdo, N. Farvardin, and T. Fuja, ``MAP Detection of Binary Sources Over Discrete Markov Channels,'' Proceedings of the 1994 IEEE International Symposium on Information Theory, Trondheim, Norway, June 1994.   PDF

  47. N. Phamdo, F. Alajaji, N. Farvardin, and T. Fuja, ``Quantization of Memoryless Sources Over Discrete Markov Channels,'' Proceedings of the Conference on Information Sciences and Systems, Princeton University, Princeton, NJ, March 1994.   PDF


Technical Reports:    (In reverse chronological order)

  1. J.-J. Weng, F. Alajaji and T. Linder, ``Optimized Signaling of Binary Correlated Sources over GMACs,'' Mathematics and Engineering Technical Report, Department of Mathematics and Statistics, Queen's University, Kingston, ON K7L 3N6, July 2017.   PDF

  2. G. Takahara, F. Alajaji, N. C. Beaulieu and H. Kuai, ``Mappings for Signaling of Non-Uniform Sources in Two-Dimensional Fixed Constellations,'' Mathematics and Engineering Technical Report, Department of Mathematics and Statistics, Queen's University, Kingston, ON K7L 3N6, February 2001.

  3. J. Cheng and F. Alajaji, ``Channel Optimized Quantization of Images over Binary Channels with Memory,'' Mathematics and Engineering Technical Report, Department of Mathematics and Statistics, Queen's University, Kingston, ON K7L 3N6, April 1999.   PDF

  4. A. Nazer and F. Alajaji, ``Unequal Error Protection and Source-Channel Decoding of CELP Speech over Very Noisy Channels,'' Mathematics and Engineering Technical Report, Department of Mathematics and Statistics, Queen's University, Kingston, ON K7L 3N6, March 1999.   PDF

  5. F. Alajaji, N. Phamdo and T. Fuja, ``Channel Codes that Exploit the Residual Redundancy in CELP-Encoded Speech,'' Institute for Systems Research Tech. Rep. TR 96-43, University of Maryland, College Park, MD 20742, 1996.   PDF

  6. P. Burlina, F. Alajaji and R. Chellappa, ``Transmission of Two-Tone Images over Noisy Communication Channels with Memory,'' Computer Vision Laboratory Tech. Rep. CS-TR-3604 and CAR-TR-814, Center for Automation Research, University of Maryland, College Park, MD 20742, January 1996.   PDF

  7. N. Phamdo, F. Alajaji and N. Farvardin, ``Quantization of Memoryless and Gauss-Markov Sources over Binary Markov Channels,'' Institute for Systems Research Tech. Rep. TR 94-79, University of Maryland, College Park, MD 20742, 1994.   PDF

  8. F. Alajaji, N. Phamdo, N. Farvardin and T. Fuja, `Detection of Binary Sources over Discrete Channels with Additive Markov Noise,'' Institute for Systems Research Tech. Rep. TR 94-31, University of Maryland, College Park, MD 20742, 1994.   PDF


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