IEEE Publications

Self-aware data processing for power saving in resource-constrained iot cyber-physical systems


Ehsan Hadizadeh Hafshejani, Nima TaheriNejad, Rozhan Rabbani, Zohreh Azizi, Shahabeddin Mohin, Ali Fotowat-Ahmady, Shahriar Mirabbasi

IEEE Sensors Journal 22 (4), 3648-3659

A W-band single-antenna FMCW radar transceiver with adaptive leakage cancellation


M Kalantari, W Li, H Shirinabadi, A Fotowat-Ahmady, CP Yue

IEEE Journal of Solid-State Circuits 56 (6), 1655-1667

A low-power signal-dependent sampling technique: Analysis, implementation, and applications


EH Hafshejani, M Elmi, N TaheriNejad, A Fotowat-Ahmady, S Mirabbasi

IEEE Transactions on Circuits and Systems I: Regular Papers 67 (12), 4334-4347

4.7 A Single-Antenna W-Band FMCW Radar Front-End Utilizing Adaptive Leakage Cancellation

February 2020

C. Patrick Yue, Ali Fotowat, Hossein Shirinabadi, Milad Kalantari

IEEE International Solid- State Circuits Conference - (ISSCC), DOI:10.1109/ISSCC19947.2020.9063129,

A tunable reflection/transmission coefficient circuit using a 45° hybrid coupler with two orthogonal variables


M Kalantari, X Meng, A Fotowat-Ahmady, CP Yue

IEEE Transactions on Microwave Theory and Techniques 67 (4), 1402-1411

Analysis and design of power harvesting circuits for ultra-low power applications


AAR Haeri, MG Karkani, M Sharifkhani, M Kamarei, A Fotowat-Ahmady

IEEE Transactions on Circuits and Systems I: Regular Papers 64 (2), 471-479

Off-Resonance Oscillation, Phase Retention, and Orthogonality Modeling in Quadrature Oscillators


ikoofard, Ali, Siavash Kananian, and Ali Fotowat-Ahmady

IEEE Transactions on Circuits and Systems I: Regular Papers 63.6 (2016)

A Unified Solution for Super-Regenerative Systems With Application to Correlator-Based UWB Transceivers


S.M.Fatemi, M.Sharifkhani, A.Fotowat-Ahmady

IEEE Transactions on Circuits and Systems I: Regular Papers,vol.62, no.4, pp.1033,1041

A 90nm CMOS IR-UWB BPSK Transmitter with Spectrum Tunability to Improve Peaceful UWB- Narrowband Coexistance


V.Mirmoghtadayi, A.Fotowat-Ahmady, A.Zeidabadinejad

IEEE Transactions on CASI, Volume PP, pp.1-13, Issue 99

A Low Distortion Self-Oscillating Power Factor Correction Circuit for LowCost Applications


M.Marvi, A.Fotowat-Ahmady, S. Kananian, A. Zabetian

IEEE Transactions on Industrial Electronics, Volume PP, Issue 99

A New Sepectrum Sensing -Method -Using Output Analysis of the PFD


Z.Vahidpoor, A.Fotowat-Ahmady, K.Forooraghi, Z.Atlasbaf

IEEE Transactions on Circuits and Systems, Volume 60, no.6, pp.366-370

A Fully ZVS Critical Conduction Mode Boost PFC


M. Marvi, A.Fotowat-Ahmady

IEEE Transactions on Power Electronics , Volume 27, pp.1958-1965, Issue 4

A high slew-rate unity-gain low-voltage buffer with large active/quiescent current ratio


A.Tabatabaei, A.Fotowat-Ahmady, M.Delurio, S.Navid

IEEE Journal of Solid-State Circuits, Volume 33, Issue 1, pp.156 - 163.

A High-speed High slew-rate low voltage buffer with dual feedback


A.Tabatabei, A.Fotowat-Ahmady,

Brief paper in the IEEE Journal of Solid-States Circuits, JSSC

A low distortion bipolar mixer for low voltage direct up-conversion and high IF systems


Behbahani, A.Fotowat-Ahmady, S.Navid, R.Gaethke, M.Delurio

IEEE Journal of Solid-State Circuits, Volume 32, Issue 9, Page(s):1446 - 1450.

IEEE Conference papers

A low-power smart temperature sensor for passive UHF RFID tags and Sensor nets


Karkani, Mohammad Reza Ghaderi, Mahmud Kamarei, and Ali Fotowat Ahmady

Telecommunications (IST), 2016 8th International Symposium on. IEEE

A low-power high-speed comparator for analog to digital converters


Khorami, Ata, Mahmood Baraani Dastjerdi, and Ali Fotowat Ahmadi

Circuits and Systems (ISCAS) 2016 IEEE International Symposium on. IEEE

Phase calibration in mutual injection-pulled quadrature oscillators.


Nikoofard, Ali, Siavash Kananian, and Ali Fotowat-Ahmady

Circuits and Systems (MWSCAS), 2015 IEEE 58th International Midwest Symposium on. IEEE

Analysis of the Effects of Clock Imperfections in N-Path Filters


A. Nikoofard, S. Kananian, A. Fotowat-Ahmady

Accepcted for presentation at NEWCAS'2015.

Analysis of the effects of non-idealities on N-phase high-Q band-pass filters


A. Nikoofard, S. Kananian, B. Behmanesh, S. M. Atarodi, A. Fotowat-Ahmady

Accepcted for presentation at ISCAS'2015

A New IR-UWB Pulse to Mitigate Coexistence Isues of UWB and Narrowband Systems


V.Mirmoghtadayi, A.Fotowat-Ahmady, A.Zeidabadinejad

21st Iranian Conference on Electrical Engineering, Mashhad, Iran, 2013.

A 1-mW current reuse quadrature RF front-end for GPS L1 band in 0.18μm CMOS


H.Jalili, A. Fotowat-Ahmady, M.Jenabi

Electronics, Circuits and Systems (ICECS), 2012 19th IEEE International Conference on, Seville, Seville, 2012.

A low-power current reuse CMOS RF front-end for GPS applications


A.Jalili, A.Fotowat-Ahmadi

IEEE International Conference on RF and Microwave (RFM), Malaysia

"High-swing class-C VCO


M.Tohidian, A.Fotowat-Ahmady, Kamarei

Proceedings of the ESSCIRC (ESSCIRC), Helsinki, Finland, 2011

Design of an optical UWB pulse leading to an in-band interference tolerant impulse radio UWB transceiver


H.Hedayati, F.Arvani, Noshad, V.Mirmoghtadayi, A.Fotowat-Ahmady

IEEE International Conference on Ultra-Wideband (ICUWB), Italy, 2011

A new UWB pulse generator for narrowband interference avoidance


V.Mir-Moghtadaei, A.Jalili, A.Fotowat-Ahmady, A.Z.Nezhad and H.Hedayati

in Proceedings of the 15th IEEE Mediterranean Electrotechnical Conference - MELECON. Valletta 2010.

Reduction of multipath errors in spread-spectrum code tracking


K.Ramezanpour, B.H.Khalaj, and A.Fotowat-Ahmady

in IEEE International Conference on Communications. Cape Town 2010

A simplified method for phase noise calculation


M.Tohidian, A.Fotowat-Ahmady, and M.Kamarei

in Proceedings of the IEEE Custom Integrated Circuits Conference, 2009.

Low voltage low power techniques in design of zero IF CMOS receivers


Y.Koolivand, Yavari, Shoaie, A.Fotowat-Ahmady

in 2009 16th IEEE International Conference on Electronics, Circuits and Systems, ICECS 2009..

A novel tunable UWB pulse design for narrowband interference suppression implemented in BiCMOS technology


H.Hedayati, A.Fotowat-Ahmady

in Proceedings - IEEE International Symposium on Circuits and Systems. 2009. Taipei.

A low power baseband processor for a dual mode UHF EPC Gen 2 RFID tag


V.Roostaie, Najafi, Mohammadi, A.Fotowat-Ahmady

in IEEE International Conference on Design and Technology of Integrated Systems in Nanoscale Era, DTIS'08. 2008. Tozeur

A dual mode EPC Gen 2 UHF RFID transponder in 0.18um CMOS


Najafi, V, Jenabi, Mohammadi, Fotowat

in Proceedings of the 15th IEEE International Conference on Electronics, Circuits and Systems, ICECS 2008. 2008. St. Julian's

A Programmable Fully-Integrated GPS receiver in 0.18um CMOS with Test Circuits


M.Jenabi, N.Riahi, A. Fotowat-Ahmady

Design Automation Conference, 2007. ASP-DAC '07. Asia and South Pacific; Jan. 2007 Page(s):80 - 85, Digital Object Identifier 10.1109/ASPDAC.2007. 357796.

Concurrent dual loop, mixed mode control circuit for 10Gb/s laser diode driver (LDD) IC with 0.13/spl mu/m RF CMOS technology


D.Shiri, M.Rajabi, N.Nouri, A.Motieifar, M.Jenabi, A.Parsa, A.Fotowat-Ahmady

Canadian Conference on Electrical and Computer Engineering, 2005. 1-4 May 2005 Page(s):1747 - 1750, Digital Object Identifier 10.1109/CCECE.2005.1557321

An all digital spread spectrum processor featuring multiplier free zero-IF down-conversion, decimation and multiplexed dispreading


A.Mehrnia, K.Shakeri, A.Eftekhar, F.Soheili, M.Nassiri, A.Fotowat-Ahmady

Proceedings of the 12th International Conference on Microelectronics, 2000. ICM2000. 31 Oct.-2 Nov. 2000 Page(s):363-366, Digital Object Identifier 10.1109/ICM.2000.916478

A 1 volt CMOS 2/4 level FSK digital demodulator for pager applications


K.Shakeri, H.Hashemi, A.Parsa, A, A.Fotowat-Ahmady, R.Rofougaran

42nd Midwest Symposium on 6 Circuits and Systems, 1999. Volume 1, 8-11 Aug. 1999 Page(s):219 - 222 vol. 1, Digital Object Identifier 10.1109/MWSCAS.1999.867247

A New Technique for Broadband Quadrature Signal Generation


S.Navid, F.Behbahani, A.Fotowat-Ahmady, LLL

IEEE Custom Integrated Circuits Conference, CICC' 97,Santa Clara, CA, U.S.A., paper 20.4, May 5-8, 1997.

On the acquisition-time distribution and optimizing the acquisition system performance in spread-spectrum receivers


E.Hejazi-Dinan, A.Fotowat-Ahmady

IEEE 4th International Symposium on Spread Spectrum Techniques and Applications Proceedings, 1996, Volume 1, 22-25 Sept. 1996 Page(s):146 - 150 vol.1, Digital Object Identifier 10.1109/ISSSTA.1996.563759

2.7 Volt GSM Transceiver ICs with On-Chip Filtering


C.Marshall, F.Behbahani, W.Birth, A.Fotowat-Ahmady,

, IEEE International Solid State Circuits Conference (ISSCC95), TA 8.7, pp. 148-149, pp 112-113 & 312, February 1995