Patents


List of Patents and Patent applications

1. F. M. Ghannouchi, S. A. Bassam, M. Helaoui and A. K. C. Kwan, "Digital multi-band predistortion linearizer with nonlinear subsampling algorithm in the feedback loop," US Patent, 2017. [URL]

2. F. M. Ghannouchi, S. A. Bassam, M. Helaoui and R. Darraji, "System and method for distortion correction in MIMO and multiband transmitters," US Patent, 2017. [URL]

3. S. A. Bassam, F. M. Ghannouchi and M. Helaoui, "Multi-Cell Processing Architectures for Modeling and Impairment Compensation in Multi-input Multi-output systems," Canada Patent 2,704,522, 14 February 2017. [URL]

4. F. M. Ghannouchi, M. Vejdaniamiri and M. Helaoui, "System and Method for Enhanced Transmitter Efficiency," US Patent 9,461,675, 4 October 2016. [URL]

5. F. Elsayed, M. Helaoui, F. M. Ghannouchi, M. M. Ebrahimi and B. Morris, "Level De-multiplexed Sigma Delta Modulator Based Transmitter," US Patent 9,071,303, 30 June 2015. [URL]

6. F. M. Ghannouchi, M. Helaoui, S. Hatami and R. Negra, "All-Digital Multi-standard Transmitter Architecture using Sigma-Delta Modulators," US Patent 8,724,733, 13 May 2014. [URL]

7. F. M. Ghannouchi, M. Helaoui, S. Hatami and R. Negra, "All-Digital Multi-standard Transmitter Architecture using Sigma-Delta Modulators," US Patent 9,071,496, 31 July 2014. [URL]

8. F. M. Ghannouchi and R. Darraji, "Extended Bandwidth Digital Doherty Transmitter," US Patent 8,837,629, 16 September 2014. [URL]

9. F. M. Ghannouchi and R. Darraji, "Extended Bandwidth Digital Doherty Transmitter," PCT Patent Application WO/2014/019071, 2 February 2014. [URL]

10. F. M. Ghannouchi, S. Bensmida, M. Hashmi and M. Helaoui, "Passive source and load-pull architecture for high reflection factor synthesis," US Patent 8,841,922, 23 September 2014. [URL]

11. F. M. Ghannouchi, S. A. Bassam, M. Helaoui and A. Kwan, "Digital multi-band Predistortion Linearizer with Nonlinear Subsampling Algoirhtm in the Feedback Loop," US Patent 8,817,859, 26 August 2014. [URL]

12. F. M. Ghannouchi, S. A. Bassam and M. Helaoui, "Multi-Cell Processing Architectures for Modeling and Impairment Compensation in Multi-Input Multi-output Systems," US Patent Application 20140301503 A1, 9 October 2014

13. M. M. Ebrahimi, M. Helaoui, F. M. Ghannouchi, F. Elsayed and B. Morris, "ACPR Enhanced Complex Delta Sigma Modulator Transmitter," PCT Patent Application PCT/IB2014/062544, filed 23 June 2014

14. S. A. Bassam, F. M. Ghannouchi and M. Helaoui, "Multi-Cell Processing Architectures for Modeling and Impairment Compensation in Multi-Input Multi-output Systems," US Patent 8,767,857, 1 July 2014. [URL]

15. M. Akbarpour, M. Helaoui, F. M. Ghannouchi and R. Darraji, "High Efficiency Ultra-Wideband Amplifier," PCT Patent Application PCT/CA2014/000085, filed 6 February 2014

16. T. Liu, S. Boumaiza and F. M. Ghannouchi, "Nonlinear behavior models and methods for use thereof in wireless radio systems," US Patent 8,078,561, 13 December 2011. [URL]

17. F. M. Ghannouchi, M. Helaoui, S. Hatami and R. Negra, "All-Digital Multi-standard Transmitter Architecture using Sigma-Delta Modulators," PCT Patent WO/2009/055897, 7 May 2009. [URL]

18. T. Liu, S. Boumaiza and F. M. Ghannouchi, "Nonlinear Behavioral Model and Methods for use thereof in Wireless Radio Systems," PCT Patent WO/2008/064492, 5 June 2008. [URL]

19. E. G. Jecklen, F. M. Ghannouchi, M. Sawan and F. Beauregard, "Adaptive Predistortion Device and Method Using Digital Receiver," US Patent 7,035,345, 25 April 2006. [URL]

20. F. M. Ghannouchi, S. Touimer, F. Beauregard, C.-W. Park and A. A. Boutouili, "Active predistorting Linearizer with agile bypass circuit for safe mode operation," US Patent 6,809,587, 26 October 2004. [URL]

21. E. G. Jecklen, F. M. Ghannouchi, M. Sawan and F. Beauregard, "Adaptive Predistortion Device and Method Using Digital Receiver," Canada Patent 2,349,916, 8 June 2003. [URL]

22. F. M. Ghannouchi, S. Touimer, F. Beauregard and A. B. Kouki, "Temperature Compensated and Digitally Controlled Amplitude and Phase Linearizer Channel Amplifier for Multi-carrier Amplification Systems," US Patent 6,255,908, 3 July 2001. [URL]

23. F. M. Ghannouchi, F. Beauregard, A. B. Kouki and M. Bouchard, "Adaptive Linearization Techniques of a Feedforward Amplifier by Complex Gain Stabilization of The Error Amplifier," US Patent 6,275,105, 14 August 2001. [URL]

24. E. G. Jecklen, F. M. Ghannouchi and M. A. Sawan, "Adaptive Digital Predistortion for Power Amplifiers With Real Time Modeling of Memoryless Complex Gains of Microwave Amplifiers," US Patent 6,072,364, 6 June 2000. [URL]

25. F. M. Ghannouchi, G. Zhao, F. Beauregard and A. B. Kouki, "Digital Adaptive Control of Feedforward Amplifiers using Frequency Domain Cancellation," US Patent 5,789,976, 4 August 1998. [URL]

26. F. M. Ghannouchi and R. G. Bosisio, "A Frequency Balanced Six Port Reflectometer with a Variable Test Impedance," US Patent 5,274,333, 28 December 1993. [URL]