Publications

Journal Papers:

  1. Samara, R. Hamila, O. Ozdemir, and T. Khattab, “Normalized MSE for OFDMA Signals under Joint Tx/Rx IQ Imbalance,” Submitted to IEEE Transactions on Vehicular Technology, October 2015.
  2. Chkirbene, S. Foufou, and R. Hamila, “Lacoda: A Scalable Data Center Network,” Submitted to Elsevier Journal Computer Networks, October 2015.
  3. Gouissem, R. Hamila, N. Al-Dhahir, and S. Foufou, “Sparsity-Aware Multiple Relay Selection in Large Multi-hop Decode-and-Forward Relay Networks,” Submitted to Springer Journal Mobile Networks and Application, October 2015.
  4. Chkirbene, M. Hasna, and R. Hamila “Location Privacy Preservation in Secure Crowd-Sourcing based Cooperative Spectrum Sensing,” in EURASIP Journal on Wireless Communications and Networking, March 2016, DOI: 10.1186/s13638-016-0567-7.
  5. Awadin, N. Al-Dhahir and R. Hamila, “OFDM Full-Duplex DF Relaying Under I/Q Imbalance and Loopback Self-Interference,” in IEEE Transactions on Vehicular Technology, September 2015, Issue 99, DOI: 10.1109/TVT.2015.2479257.
  6. El Shafie, N. Al-Dhahir and R. Hamila, “A Sparsity-Aware Cooperative Protocol for Cognitive Radio Networks With Energy-Harvesting Primary User,” In IEEE Transactions on Communications, Year 2015, Vol. 63, Issue: 9, pp. 3118 – 3131, DOI: 10.1109/TCOMM. 2015.2461673.
  7. Wang, B. Qin, Z. Su, Y. Xia, M. Hamdi, S. Foufou, and R. Hamila, “Towards bandwidth guaranteed energy efficient data center networking,” in Springer Journal of Cloud Computing: Advances, Systems and Applications, May 2015, DOI:10.1186/s13677-015-0035-7.
  8. Hamila, O. Ozdemir, and N. Al-Dhahir, “Beamforming OFDM Performance Under Joint Phase Noise and I/Q Imbalance,” in IEEE Transactions on Vehicular Technology, May 2015, Issue 99, pp. 1, DOI: 10.1109/TVT.2015.2436698, ISSN 0018-9545.
  9. Gouissem, M.O. Hasna, R. Hamila,“ Novel Selective OFDM-Based Cooperative Techniques For Multihop Systems,” in ELSEVIER Physical Communication, January 2015, doi:10.1016/j.phycom.2015.01.001.
  10. Gouissem, R. Hamila, M.O. Hasna, “Outage Performance of Cooperative OFDM-Based Systems Under IQ Imbalance,” in IEEE Transactions on Communications, Vol. 62, No. 5, May 2014.
  11. Ozdemir, R. Hamila and N. Al-Dhahir, “Exact Average OFDM Subcarrier SINR Analysis Under Joint Transmit–Receive I/Q Imbalance” in IEEE Transactions on Vehicular Technology, October 2014, Vol. 63, Issue 8, pp. 4125 – 4130, DOI 10.1109/TVT.2014.2304833.
  12. Soy, O. Ozdemir , M. Bayrak, R. Hamila, N. Al-Dhahir, “Decentralized Multiuser Diversity with Opportunistic Packet Transmission in MIMO Wireless Sensor Networks,” in ELSEVIER, AEÜ – International Journal of Electronics and Communications, Vol. 76, November 2013, pp. 910 – 925.
  13. Ozdemir, R. Hamila and N. Al-Dhahir, “I/Q Imbalance Compensation in Beamforming MIMO OFDM Transceivers,” in IEEE Transactions on Communications, Vol.:61, May 2013, pp. 1914 – 1925.
  14. Omri, R. Hamila, M. Hasna, R. Bouallegue, H. Chaieb, “Estimation of highly selective channels for downlink LTE MIMO-OFDM system by a robust neural network,” in the Journal of Ubiquitous Systems and Pervasive Networks. Vol. 2, No. 1, 2011, pp. 31 – 38.
  15. Omri, R. Bouallegue, R. Hamila and M. Hasna, “Channel estimation for LTE uplink system by perceptron neural network,” in the International Journal of Wireless & Mobile Networks (IJWMN), Vol. 2, No. 3, August 2010.
  16. Al-Dweik, Hamila, and M. Renfors,”Blind Estimation of Large Frequency Offset in Wireless OFDM Systems, in IEEE Transactions on Vehicular Technology, Vol. 56, March 2007, pp. 965 – 968.
  17. Hamila, M. Lakhzouri, S. Lohan, and M. Renfors, “A Highly Efficicient Generalized Teager-Kaiser Based Technique for LOS Estimation in WCDMA Mobile Positioning,” in EURASIP Journal on Applied Signal Processing, Vol. 5, April 2005, pp. 698 – 708.
  18. Simona Lohan, Ridha Hamila, Abdelmonaem Lakhzouri, and Markku Renfors, “Highly Efficient Techniques for Mitigating the Effects of Multipath Propagation in DS-CDMA Delay Estimation,” in IEEE Transactions on Wireless Communications, Vol. 4, January 2005, pp. 149 – 162.
  19. Monaem Lakhzouri, Simona Lohan, Ridha Hamila, an Markku Renfors, “Extended Kalman Filter for LOS Estimation in WCDMA Mobile Positioning,” in EURASIP Journal on Applied Signal Processing, Vol. 13, December 2003, pp. 1268-1278.
  20. Ridha Hamila, Simona Lohan, and Markku Renfors, “Subchip Mutipath Delay Estimation for Downlink WCDMA System Based on Teager Operator,” in IEEE Communications Letters, Vol. 7, No. 1, January 2003, pp. 1-3.
  21. Hamila, J. Vesma, and M. Renfors, “Polynomial-Based Maximum Likelihood Technique for Synchronization in Digital Receivers,” IEEE Trans. on Circuit and Systems II: Analog and Digital Signal Processing, Vol. 49, No. 8, pp. 567-576, August 2002.
  22. Hamila, J. Astola, F. Alaya Cheikh, M. Gabbouj, and M. Renfors, “Teager Energy and the Ambiguity Function”, in IEEE Transactions on Signal Processing, Vol. 47, No. 1, pp. 260-262, January 1999.

 

Patent:

  1. Djordje Babic, Ridha Hamila, Jussi Vesma, an Markku Renfors, “Decimation by Irrational Factor Using CIC Filter and Linear Interpolation,” Invention Report, filed to Nokia Mobile Phones, May 2000.
  2. Hamila, O. Ozdemir and N. Al-Dhahir “System and methods for compensation of I/Q imbalance in beamforming OFDM systems”, US Patent 20130251057 A1, Published Sept. 2015.

 

Technical Reports:

  1. S. Lohan, R. Hamila, A. Lakhzouri, and M. Renfors, “Tutorial on Highly Efficient Techniques for Mitigating the Effects of Multipath Propagation in DS-CDMA Delay Estimation” Technical Report 1-2003, Institute of Communications Engineering, Tampere University of Technology, ISBN 952-15-0935-X.
  2. Hamila, J. Astola, M. Gabbouj and M. Renfors, “Teager Energy and the Ambiguity Function,” Technical Report, Signal processing Laboratory, Tampere University of Technology, Tampere, Finland 1997.

 

International Conference Papers:

  1. O. Al-Abbasi, R. Hamila, W. U. Bajwa, and N. Al-Dhahir, “Design and Analysis Framework for Sparse FIR Channel Shortening,” Accepted in the IEEE ICC 2016, May 2016, Kuala Lumpur, Malaysia.
  2. O. Al-Abbasi, R. Hamila, W. U. Bajwa, and N. Al-Dhahir, “A General Framework for the Design and Analysis of Sparse FIR Linear Equalizers,” in the 3rd IEEE Global Conference On Signal & Information Processing (GlobalSIP 2015), December 2015, Orlando, Florida, USA.
  3. Chkirbene, S. Foufou, R. Hamila and M. Hamdi, “ScalNet: A Novel Network Architecture for Data Centers,” in 2015 IEEE Global Communications Conference: Next Generation Networking Symposium (CG’2015), December 2015, San Diego, CA, USA.
  4. Baccour, S. Foufou, R. Hamila, and M. Hamdi, “wFlatnet: Introducing Wireless in Flatnet Data Center Network,” in 2015 IEEE Global Communications Conference: Next Generation Networking Symposium (CG’2015), December 2015, San Diego, CA, USA.
  5. Kiranyaz, T. Ince, M. Moncef and R. Hamila, “Convolutional Neural Networks for Patient-Specific ECG Classification,” in 37th Annual International Conference of the IEEE Engineering in Medicine and Biology Society, September 2015.
  6. Essassi, M. Siala, S. Cherif, R. Hamila, M. Hasna, ”Centralized-Decentralized RB Allocation based on Genetic algorithm and coordination over X2 interface in LTE uplink,” Twelfth International Symposium on Wireless Communication Systems, (ISWCS’2015), August 2015, Brussels, Belgium.
  7. Ellouch, F. Abdelkefi, M. Siala and R. Hamila “On Quantized Compressed Sensing with Saturated Measurements via Greedy Pursuit,” in EUSIPCO 2015, Venice, Italy, DOI: 10.1109/EUSIPCO.2015.7362675.
  8. Shafie, N. Al-Dhahir, and R. Hamila “Sparsity-Cognizant Multiple-Access Schemes for Large Wireless Networks With Node Buffers,” The 12th IEEE International Conference on Mobile Ad-hoc and Sensor Systems (IEEE MASS 2015), October 2015, UT Dallas, USA, DOI: 10.1109/MASS.2015.23.
  9. Chkirbene, S. Foufou, R. Hamila and M. Hamdi, “HyperFlatnet: A Novel Network Architecture for Data Centers,” in IEEE ICC 2015 – Third International Workshop on Cloud Computing Systems, Networks and Applications, London, Uk, June 2015.
  10. El Shafie, N. Al-Dhahir and R. Hamila, “Exploiting Sparsity of Relay-Assisted Cognitive Radio Networks”, in IEEE Wireless Communications and Networking Conference (WCNC’2015), New Orleans, USA, March 2015. DOI: 10.1109/WCNC.2015.7127632.
  11. Mokhtar, N. Al-Dhahir, and R. Hamila, “I/Q Imbalance and Loop-back Self Interference Effects in Full-Duplex OFDM DF Relays”, in the 2015 IEEE Wireless Communications and Networking Conference (WCNC’2015), New Orleans, USA, March 2015, DOI: 10.1109/WCNC.2015.7127449.
  12. Baccour, S. Foufou, R. Hamila and M. Hamdi, “A survey of wireless data center networks,” in IEEE 49th Annual Conference on Information Sciences and Systems (CISS 2015), Washington, USA, March 2015.
  13. Gouissem, R. Hamila, N. Al-dhahir and S. Foufou, “Sparsity-aware Multiple Relay Selection In Large Decode-and-forward Relay Networks,” Qatar Foundation Annual Research Conference, Doha, Qatar, November 2014.
  14. Mokhtar, N. Al-Dhahir, and R. Hamila, “On I/Q imbalance effects in full-duplex OFDM decode-and-forward relays,” in the 10th IEEE Dallas Circuits And Systems Conference (DCAS 2014), Dallas Texas, USA, October 2014.
  15. Gouissem, M. Hasna, and R. Hamila, “Outage Performance of Incremental Relaying Networks with OFDM Subcarriers Mapping” in IEEE 80th Vehicular Technology Conference, VTC2014-Fall, Vancouver, Canada, September 2014.
  16. Seifeddine Bouallegue, Mazen Hasna, and Ridha Hamila, “’Improved Relay Selection for Decode-and-Forward Cooperative Wireless Networks under Secrecy Rate Maximization,” in IEEE International Wireless Communications and Mobile Computing Conference (IWCMC 2014), Nicosia, Cyprus, August 2014.
  17. Samara, V. Syrjälä, R. Hamila, and M. Valkama, “Phase Noise Mitigation in OFDMA Uplink,” in the 6th International Symposium on Communications, Control, and Signal Processing, ISCCSP 2014, Athena, Greece, May 2014.
  18. Ozdemir, R. Hamila, and N. Al-Dhahir, “A USRP-Based Experimental Testbed for OFDM Systems Impaired by I/Q Imbalance”, IEEE GCC conference, Doha, Qatar, November 2013.
  19. Ozdemir, R. Hamila, and N. Al-Dhahir, “Baseband DSP for dirty RF front-ends: Theory, algorithms and testbed,” Qatar Foundation Annual Research Forum Proceedings, ICTO 04, DOI: 10.5339/qfarf.2013.ICTO-04, Doha, Qatar, November 2013.
  20. Al-Dweik, M. Mirahmadi, A. Shami, B. Sharif, and R. Hamila, ”Joint Secured and Robust Technique for OFDM Systems,” in IEEE International Conference on Electronics, Circuits and Systems, ICECS’2013, December 2013, Abu Dhabi, UAE, December 2013.
  21. Faten Omri, Sebti Foufou and R. Hamila, “Cloud-Based Mobile System for Biometrics Authentication,” in IEEE 13th International Conference of ITS Telecommunications, November 2013, Tampere, Finland.
  22. Ozdemir, R. Hamila and N. Al-Dhahir, “Exact SINR Analysis of OFDM Systems under Joint Tx/RX I/Q Imbalance”, in IEEE International Symposium on Personal, Indoor and Mobile Radio Communications, PIMRC’2013, London, UK, September 2013.
  23. Ala Gouissem, Mazen Hasna and Ridha Hamila, “Outage Performance of OFDM-based AF and DF systems under IQ Imbalance”, in Global Information Infrastructure and Networking Symposium GIIS’2013, Trento, Italy, October 2013.
  24. Soy, O. Ozdemir, M. Bayrak, R. Hamila, and N. Al-Dhahir, “A Threshold-Based Opportunistic MAC Protocol for MIMO Wireless Sensor Networks,” in IEEE IX International symposium on Telecommunications – BIHTEL 2012, Sarajevo, Bosnia and Herzegovina, October 2012.
  25. Ozdemir, R. Hamila and N. Al-Dhahir, “SINR analysis for beamforming OFDM systems under joint transmit-receive I/Q imbalance”, in PIMRC 2012, Sydney, Australia, September 2012.
  26. Ozdemir, R. Hamila, and N. Al Dhahir, “SINR Analysis for Beamforming OFDM Systems Under Joint Transmit-Receive I/Q Imbalance”, in IEEE International Symposium on Personal, Indoor and Mobile Radio Communications (PIMRC’12), Sydney Australia, September 2012.
  27. Gouissem, M. Hasna, R. Hamila, H. Besbes, and F. Abdelkefi, “Optimized Selective OFDMA in Multihop Network”, in IEEE International Symposium on Personal, Indoor and Mobile Radio Communications (PIMRC’12), Sydney Australia, September 2012.
  28. Shamkhia, M. Hasna, and R. Hamila, “Performance Analysis of Relay Selection Schemes in Underlay Cognitive Networks with Decode and Forward Relaying”, in IEEE International Symposium on Personal, Indoor and Mobile Radio Communications (PIMRC’12), Sydney Australia, September 2012.
  29. Ozdemir, R. Hamila, and N. Al-Dhahir, “Digital Baseband Compensation of Frequency-Dependent Joint TX/RX I/Q Imbalance in Beamforming MIMO OFDM”, IEEE International Conference on Communications (ICC 2012), Ottawa, Canada, June 2012.
  30. Chamkhia, M.O. Hasna and R. Hamila, “Performances analysis of SEC based transmit diversity systems with MRC receivers,” Computing, Communications and Applications Conference (ComComAp), Hong Kong, pp. 71 – 75  February 2012.
  31. Gouissem, M. Hasna, R. Hamila, H. Besbes, and F. Abdelkafi, “Outage Performance Of OFDM Ad-hoc Routing With and Without Subcarrier Grouping in Multihop Network,” VTC2012-Fall, Quebec City, Canada, September 2012.
  32. Aymen, R. Hamila, M. Hasna, and R. Bouallegue, “Modified Alamouti decoding for highly selective channels for LTE systems” 11th International Conference on Information Science, Signal Processing and their Applications (ISSPA 2012), pp. 940 – 944, Montreal, Canada, July 2012.
  33. Ozdemir, Ozgur; Hamila, Ridha; Al-Dhahir, Naofal, “Modeling and compensation of frequency-dependent I/Q imbalance in multiple beamforming OFDM transceivers,” 11th International Conference on Information Science, Signal Processing and their Applications (ISSPA 2012), pp. 1359 – 1364, Montreal, Canada, July 2012.
  34. Hakk Soy, Ozgur Ozdemir, Mehmet Bayrak, Ridha Hamila, and Naofal Al-Dhahir, “A Threshold-Based Opportunistic MAC Protocol for MIMO Wireless Sensor Networks,” Fifth International Workshop on Sensor Networks (SN2012) in conjunction with the International Conference on Computer Communication Networks (ICCCN 2012), Munich, Germany,  July
  35. Ayman, R. Hamila, M. Hasna, and R. Bouallegue, “Dynamic Optimization of LTE Pilot Scattering Based on Channel Estimation”, IEEE International Conference on Computer and Information Sciences (ICCCIS 2012), Kuala Lumpur, Malaysia, May 2012.
  36. Ayman, R. Hamila and M. Hasna, “Performance Evaluation of Farrow Interpolator in LTE Downlink Channel Estimation Using Universal Software Radio”, The 2nd International Conference on Communications and Information Technology (ICCIT 2012), Hammamet, Tunisia, May 2012.
  37. Omri, R. Hamila, S. Foufou1, and M. Jarraya, “Cloud-Ready Biometric System for Mobile Security Access, The Fourth International Conference on Networked Digital Technologies (NDT 2012), Part II, CCIS 294, Dubai, UAE, pp. 192-200, Springer-Verlag Berlin, Heidelberg 2012.
  38. Omri, R. Hamila, A. Hazmi and R. Bouallegue, and A. Dweik, “Enhanced Alamouti Decoding Scheme for DVB-T2 Systems in SFN Channels,” Proc. of the 22nd IEEE Personal Indoor Mobile Radio Communications (PIMRC 2011), pp. 1626 – 1630, Toronto, Canada, September 2011.
  39. Shubair R. S. Jimaa, R. Hamila, and M.A. Al-Tunaije, ” On the Detection and Estimation of Correlated Signal Using Circular Antenna Arrays,” 2011 International Conference on Communications and Information Technology (ICCIT 2011), pp. 152 – 155, Aqaba, Jordan, March 2011.
  40. Nonchev, M. Valkama, and R. Hamila, ”Effect of high-velocity scenarios on the performance of MIMO LTE packet scheduling ,” 8th International Multi-Conference on  Systems, Signals and Devices (SSD 2011), pp.  1 – 6, Sousse, Tunisia, March 2011.
  41. Nonchev, M. Valkama, and R. Hamila , “Advanced packet scheduling for efficient video support with limited channel feedback on MIMO LTE downlink,” IEEE GLOBECOM 2011 (GC Wkshps), pp. 766 – 771, Houston, USA, December 2011.
  42. Omri, R. Hamila, M. Hasna, R. Bouallegue, and H. Chaied, “Estimation of highly selective channels for downlink LTE system by a robust neural network,” in the International Conference on Wireless and Ubiquitous Systems (ICWUS2010), Sousse, Tunisia, October 2010.
  43. Nonchev, M. Valkama, R. Hamila, and M. Hasna, “On the Performance of Advanced QoS – Aware Packet Scheduling for Multi-antenna Packet Radio Systems,” in the 3rd IEEE International Conference on Broadband Network& Multimedia Technology (3rd IEEE IC-BNMT 2010), Beijing, China, October 2010.
  44. Omri, R. Hamila, M. Hasna, R. Bouallegue, and H. Chaieb, “Estimation of highly selective channels for downlink LTE system by a robust neural network,” Qatar Foundation Annual Research Forum Proceedings: Vol. 2010, CSP6, DOI: 10.5339/qfarf.2010.csp6, Dec 2010.
  45. Read More: http://www.qscience.com/doi/abs/10.5339/qfarf.2010.csp6?prevSearch=hamila&searchHistoryKey=
  46. Abdullah, R. Hamila, and D. Vernon, “Selective Visual Attention in Urban Search and Rescue (USAR) Systems,” in the 12th International Conference on Climbing and Walking Robots and the Support Technologies for Mobile Machines, Istanbul, Turkey, September, 2009.
  47. Raed Shubair and Ridha Hamila, “Simulation Study for Effects of Attenuation and Interference in Cellular Mobile Systems With Application to UAE,” in Proc, of the 5th International Conference on Innovations in Information Technology, Al Ain, UAE, December 2008.
  48. Ali Dawood and Ridha Hamila, “Multiple Description Image Transmission over Unreliable Channel,” in Proc. Of IFIP Wireless Days Conference, Dubai, UAE, November 2008.
  49. AL-Dweik, R. Hamila and Z. Azghar, “Dynamic Feedback Carrier Frequency Offset Estimation for OFDM Systems,” In Proc. of 2007 IEEE International Conference on Signal Processing and Communications (ICSPC 2007), Dubai, United Arab Emirates, November 2007, pp. 1043 – 1046.
  50. AL-Dweik, M. Renfors, A. Al-Araji, and R. Hamila, A New Carrier Frequency Offset Estimator for OFDM Systems with Real Data Symbols,” in Proc. of 8th IEEE International Workshop on Signal Processing Advances for Wireless Communications (IEEE Spawc 2007), Helsinki, Finland, June 2007.
  51. Hamila, A. Al. Dweik, S. Lohan and M. Renfors, “Challenges of Mobile and Satellite Positioning,” in the 3rd International Symposium on Image/Video Communications Over Fixed and Mobile Networks, 2006, ISIVC’2006, Hammamet, Tunisia, September 2006.
  52. Arafat Al-Dweik and Ridha Hamila, “A Highly Efficient Blind Carrier Frequency Estimator for Wireless OFDM Systems,” in IEEE International Conferene on Consumer Electronics, 2006, ICCE’2006 (Digest Technical Paper), January 2006, pp. 375 – 376.
  53. Al-Dweik and R. Hamila, “Blind Frequency Offset Estimation Technique for OFDM Systems Using Band Edge Filters,” in the Second IFIP International Conference on Wireless and Optical Communications Networks, Dubai, United Arab Emirates, March 2005, pp. 406 – 409.
  54. Ridha Hamila, Arafat Al. Dweik, and Faouzi Alaya, “ Challenges for High Accuracy Mobile Phone Positioning,” in the 6th World Wireless Congress, San Francisco, USA, May 2005, pp. 394 – 398.
  55. Lakhzouri, E. S. Lohan, R. Hamila, and M. Renfors, “Solving Closely-Spaced Multipaths Via Extended Kalman Filter in WCDMA Downlink Receivers,” in Proc. Of the 5th European Personal Mobile Communications Conference, EPMCC’03, Glasgow, Scotland, April 2003, pp. 271-275.
  56. Lohan, R. Hamila, and M. Renfors, “Super-resolution Algorithms for Detecting Overlapped Paths in DS-CDMA Systems with Long Codes,” in Proc. of the 13th IEEE International Symposium on Personal, Indoor and Mobile Radio Communications, PIMRC’02, Lisbon, Portugal, September 2002, pp. 1919-1923.
  57. Lohan, R. Hamila, and M. Renfors, “Performance Analysis of an Efficient Multipath Delay estimation Approach in CDMA Multiuser Environment,”in Proc. of 12th IEEE International Symposium on Personal, Indoor and Mobile Radio Communications, PIMRC’01, San Diego, California, USA, Sept. 2001, pp. 6-10.
  58. Hamila, E.S. Lohan, and M. Renfors, “Novel Technique for Multipath Delay Estimation in GPS Receivers”, in Proc. of 2001 International Conference on Third Generation Wireless and Beyond, 3Gwireless 2001, San Francisco, USA, June 2001, pp. 993-998.
  59. Simona Lohan, Ridha Hamila, and Markku Renfors, “Cramer Rao Bound for Multipath Time Delays in DS-CDMA Systems, in Proc. Fourth International Symposium on Wireless Personal Multimedia Communications, WPMC’01, Aalborg, Denmark, September 2001, pp. 1043-1046.
  60. Hamila Simona Lohan, and Markku Renfors, “Effect of Correlation Estimation on Multipath Delay Estimation Techniques in DS-CDMA Systems,” in Proc. Fourth International Symposium on Wireless Personal Multimedia Communications, WPMC’01, Aalborg, Denmark, September 2001, pp. 331-334.
  61. Hamila and M. Renfors, “Nonlinear Operator for Multipath  Channel Estimation in GPS receivers,” in Proc.  International Conference on Electronics, Circuits and Systems, ICECS’2000, Kaslik, Lebanon, December 2000, pp. 352-356.
  62. Hamila Simona Lohan, and Markku Renfors, “A New Approach for Multipath Delay Estimation in GPS Receivers,” in Proc. The Third International Symposium on Wireless Multimedia Communications, WPMC’00, Bangkok, Thailand, November 2000, pp. 22-26.
  63. Ridha Hamila, Markku Renfors, Taneli Haverinen, and Gudni Gunnarsson, “Teager-Kaiser Energy Operator for Data Filtering,” in Proc. Tenth European Signal Processing Conference, EUSIPCO’2000, Tampere, Finland, Sept. 2000, pp. 1545-1548.
  64. Ridha Hamila, Simona Lohan, and Markku Renfors, “Multipath Delay Estimation in GPS Receivers,” in Proc. Nordic Signal Processing Symposium, NORSIG’2000, Kolmården, Sweden, June 2000, pp. 417-420.
  65. Ridha Hamila, Markku Renfors, Gudni Gunnarsson, and Marko Alanen, “Data Processing for Mobile Phone Positioning,” in Proc. IEEE 50th Vehicular Technology Conference, VTC’99, Amsterdam, Netherlands, September 1999, 446-449. (Also in Proc Finnish Signal Processing Symposium, FINSIG’99, Oulu, Finland, pp. 147-150, May 1999).
  66. Ridha Hamila and Markku Renfors, “New Maximum Likelihood Based frequency Estimator for Digital Receivers,” in Proc. IEEE Wireless Communications Network Conference, WCNC’99, New Orleans, USA, Sept. 1999, pp. 206-210.
  67. Hamila and Markku Renfors, “New Design Approach for Farrow-Structured Interpolators,” in Proc. 1999 IEEE Pacific Rim Conf. on Communications, Computers, and Signal Processing, PACRIM’99, Victoria, BC, Canada, August 1999, pp. 544-547.
  68. Hamila, J. Vesma, H. Vuolle, and M. Renfors, “NDA Maximum Likelihood Approach For Timing And Phase Adjustment By Polynomial-based Interpolation,” in Proc. 6th International Workshop On Intelligent Signal Processing And Communication Systems, ISPACS’98, Melbourne, Australia, November 1998, pp. 248-252.
  69. De Vleeschauwer, P. De Smet, F. Alaya Cheikh, R. Hamila and M. Gabbouj, “Optimal Performance of the Watershed Segmentation of an Image Enhanced by Teager Energy Driven Diffusion,” in Proc. International Workshop on Very Low Bit rate Video Coding, VLBV’98, Urbana, USA, October, 1998, pp. 137-140.
  70. Hamila, J. Vesma, H. Vuolle, and M. Renfors, “Joint Estimation of Phase and Timing Using Polynomial-Based Maximum Likelihood Technique,” in Proc. IEEE 1998 International Conference on Universal Personal Communications, ICUPC’98, Florence, Italy, October 1998, pp. 369-373.
  71. Hamila, J. Vesma, H. Vuolle, and M. Renfors, “The Effect of Frequency Offset On Digital Receiver Synchronization,” in Proc. 1998 URSI International Symposium on Signals, Systems, and Electronics, ISSSE’98, Pisa, Italy, September 1998, pp. 247-252.
  72. Vesma, V. Tuukkanen, R. Hamila, and M. Renfors, “Block-Based Feedforward Maximum Likelihood Symbol Timing Recovery Technique,” in Proc. Communication Systems & Digital Signal Processing, CSDSP’98, Sheffield-UK, April 1998, pp. 92-95.
  73. K. Bysted, R. Hamila, M. Gabbouj, and M. Renfors, “Teager Correlation Function,” in Proc. IEEE Nordic Signal Processing Symposium, NORSIG’98, Vigso, Denmark 1998, pp. 133-136.
  74. Hamila, F. Alaya Cheikh, J. Vesma, J. Astola, and M. Gabbouj, “Relationship between Wigner-Distribution and the Teager Energy,” in Proc. European Signal Processing Conference, EUSIPCO’98, Rhodes, Greece, September 1998, pp. 1857- 1860.
  75. Vesma, R. Hamila, T. Saramäki and M. Renfors, “Design of Polynomial Interpolation Filters Based on Taylor Series,” in Proc. European Signal Processing Conference, EUSIPCO’98, Rhodos, Greece, September 1998, pp. 283-286.
  76. Vesma, R. Hamila, T. Saramäki and M. Renfors, “Continuous-Time Signal Processing Based on Polynomial Approximation,” in Proc. 1998 IEEE International symposium on Circuits and Systems, ISCAS’98, Monterey, California, USA, May 1998, pp. 61-65.
  77. Hamila, M. Renfors, M. Gabbouj and J. Astola, “Time-Frequency Signal Analysis using Teager Energy,” Proc. Fourth International Conference on Electronics, Circuits and Systems, ICECS’97, Cairo, Egypt, Dec. 1997, pp. 911-914.
  78. Hamila, J. Vesma, T. Saramäki and M. Renfors, “Discrete-Time Simulation of Continuous-Time Systems Using Generalized Interpolation Techniques,” in Proc. 1997 Summer Computer Simulation Conference, SCSC’97, Arlington, Virginia, USA, July 1997, pp. 914-919.
  79. Hamila, J. Vesma, T. Saramäki and M. Renfors, “Derivative Approximations for Sampled Signals Based on Polynomial Interpolation,” in Proc. 13th International Conference on Digital Signal Processing, Santorini, Greece, July 1997, pp. 939-942 (also in Proc. 1997 Finnish Signal Processing Symposium FINSIG’97, Pori, Finland).
  80. De Vleesschauwer, F. Alaya Cheikh, R. Hamila and M. Gabbouj, “Watershed Segmentation of an Image Enhanced by Teager Energy Diffusion,” in Proc. Sixth International Conference on Image Processing and its Applications, IPA97, Dublin, Ireland, July 1997, pp. 254-258.
  81. Alaya Cheikh, M. Gabbouj, R. Hamila and J. Astola, “Fuzzy Weighted Mean Filter for Color Image Restoration,” in Proc. 1996 IEEE Nordic Signal Processing Symposium, NORSIG’96, Espoo, Finland, Sept. 1996, pp. 29-32.
  82. Alaya Cheikh, R. Hamila, M. Gabbouj and J. Astola, “Impulse Noise Removal in Highly Corrupted Color Images,” in Proc. 1996 IEEE International Conference on Image Processing, ICIP-96, Lausanne, Switzerland, Sept. 1996, pp. 997-1000.