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İbrahim Tekin Mühendislik ve Doğa Bilimleri Fakültesi Öğretim Üyesi (216) 483 9534 tekin@sabanciuniv.edu

Personal Web

http://people.sabanciuniv.edu/~tekin/

Jobs

Öğretim Üyesi

Education

Elektrik ve Elektronik Mühendisliği Lisansı ve Yüksek Lisansı, Orta Doğu Teknik Üniversitesi (ODTÜ), sırasıyla 1990, 1992; Elektrik Mühendisliği Doktorası, Ohio Devlet Üniversitesi (ABD), 1997.

Areas of Interest

Mikrodalga, milimetrik dalga aktif/pasif devre ve anten tasarımı, Full duplex antenler, RF devre tasarımı, Anten tasarımı ve ölçümü, Kapalı alan yer bulma.

Najafabadi, Amir Mohsen Ahmadi and Abdul Ghani, Firas and Skrivervik, Anja and Tekin, İbrahim (2025) "Multibeam antenna with low beam squint for mm-wave 5 G handset applications". Published Online First https://dx.doi.org/10.1109/LAWP.2025.3546015

Ahmadi Najafabadi, Amir Mohsen and Ballıpınar, Faruk and Taşdelen, Melih Can and Uzun, Abdulkadir and Yapıcı, Murat Kaya and Skrivervik, Anja and Tekin, İbrahim (2024) "Wide scan angle multibeam conformal antenna array with novel feeding for mm-wave 5G applications", Microelectronic Engineering, Vol.294 (SCI)

Bajwa, Rayan and Saleh, Heba Ahmed Hamed Shaker and Shojaeian, Milad and Tekin, İbrahim and Yapıcı, Murat Kaya (2023) "Nonlinear restructuring of patterned thin films by residual stress engineering into out-of-plane wavy-shaped electrostatic microactuators for high-performance radio-frequency switches", Microsystems and Nanoengineering, Vol.9, No.1 (SCI)

Ahmadi Najafabadi, Amir Mohsen and Abdul Ghani, Firas and Tekin, İbrahim (2022) "Low-cost multibeam millimeter-wave array antennas for 5 G mobile applications", IEEE Transactions on Vehicular Technology, Vol.71, No.12, 12450-12460 (SCI)

Saleh, Heba Ahmed Hamed Shaker and Shojaeian, Milad and Bajwa, Rayan and Tekin, İbrahim and Yapıcı, Murat Kaya (2022) "Low actuation voltage cantilever-type RF-MEMS shunt switches for 5G applications", Microelectronics Reliability, Vol.136 (SCI)

Abdul Ghani, Firas and Ahmadi Najafabadi, Amir Mohsen and Saleh, Heba Ahmed Hamed Shaker and Yapıcı, Murat Kaya and Tekin, İbrahim (2021) "A 28 ghz 2 x 2 antenna array with 10 beams using passive spdt switch beamforming network", Sensors, Vol.21, No.21 (SCI)

Erol, Lütfi Yiğit and Uzun, Abdulkadir and Seyyedesfahlan, Mirmehdi and Tekin, İbrahim (2021) "Broadband full-duplex antenna for IEEE 802.11 protocols", IEEE Antennas and Wireless Propagation Letters, Vol.20, No.10, 1978-1982 (SCI)

Uzun, Abdulkadir and Abdul Ghani, Firas and Ahmadi Najafabadi, Amir Mohsen and Yenigün, Hüsnü and Tekin, İbrahim (2021) "Indoor positioning system based on global positioning system signals with down- and up-converters in 433 MHz ISM band", Sensors, Vol.21, No.13 (SCI)

Seyyedesfahlan, Mehdi and Uzun, Abdulkadir and Skrivervik, Anja K. and Tekin, İbrahim (2020) "Wideband multiport antennas", Sensors (Switzerland), Vol.20, No.23 (SCI)

Nawaz, Haq and Tekin, İbrahim (2020) "Ten switched-beams with 2 x 2 series-fed 2.4 GHz array antenna and a simple beam-switching network", International Journal of RF and Microwave Computer-Aided Engineering, Vol.30, No.6 (SCI)

Pano, Vasil and Tekin, İbrahim and Liu, Yuqiao and Dandekar, Kapil R. and Taşkın, Barış (2020) "TSV-based antenna for on-chip wireless communication", IET Microwaves, Antennas & Propagation, Vol.14, No.4, 302-307 (SCI)

Pano, Vasil and Tekin, İbrahim and Yılmaz, Işıkcan and Liu, Yuqiao and Dandekar, Kapil R. and Taşkın, Barış (2020) "TSV antennas for multi-band wireless communication", IEEE Journal on Emerging and Selected Topics in Circuits and Systems (SI), Vol.10, No.1, 100-113 (SCI)

Liu, Yuqiao and Bshara, Oday and Tekin, İbrahim and Israel, Christopher and Hoorfar, Ahmad and Taşkın, Barış and Dandekar, Kapil R. (2019) "Design and fabrication of two-port three-beam switched beam antenna array for 60 GHz communication", IET Microwaves, Antennas & Propagation, Vol.13, No.9, 1438-1442 (SCI)

Yılan, Mikail and Ayar, Hayrettin and Nawaz, Haq and Gürbüz, Özgür and Tekin, İbrahim (2019) "Monostatic antenna in-band full duplex radio: performance limits and characterization", IEEE Transactions on Vehicular Technology, Vol.68, No.5, 4786-4799 (SCI)

Nawaz, Haq and Gürbüz, Özgür and Tekin, İbrahim (2019) "Co-polarized monostatic antenna with high Tx-Rx isolation for 2.4 GHz single channel full duplex applications", Microwave and Optical Technology Letters, Vol.61, No.4, 1065-1069 (SCI)

Nawaz, Haq and Gürbüz, Özgür and Tekin, İbrahim (2019) "2.4 GHz dual polarised monostatic antenna with simple two-tap RF self-interference cancellation (RF-SIC) circuitry", Electronics Letters, Vol.55, No.6, 299-300 (SCI)

Nawaz, Haq and Gürbüz, Özgür and Tekin, İbrahim (2018) "High isolation slot coupled antenna with integrated tunable self-interference cancellation circuitry", Electronics Letters, Vol.54, No.23, 1311-1312 (SCI)

Amjad, Muhammad Sohaib and Nawaz, Haq and Özsoy, Kerem and Gürbüz, Özgür and Tekin, İbrahim (2018) "A low-complexity full-duplex radio implementation with a single antenna", IEEE Transactions on Vehicular Technology, Vol.67, No.3, 2206-2218 (SCI)

Nawaz, Haq and Tekin, İbrahim (2018) "Double-differential-fed, dual-polarized patch antenna with 90 dB interport RF isolation for a 2.4 GHz in-band full-duplex transceiver", IEEE Antennas and Wireless Propagation Letters, Vol.17, No.2, 287-290 (SCI)

Nawaz, Haq and Tekin, İbrahim (2017) "Dual-polarized, differential fed microstrip patch antennas with very high interport isolation for full-duplex communication", IEEE Transactions on Antennas and Propagation, Vol.65, No.Issue:, 7355-7360 (SCI)

Tekin, İbrahim and Nawaz, Haq (2017) "Dual port disc monopole antenna for wide-band MIMO-based wireless applications", Microwave and Optical Technology Letters, Vol.59, No.11, 2942-2949 (SCI)

Nawaz, Haq and Tekin, İbrahim (2017) "Three ports microstrip patch antenna with dual linear and linear co-polarisation characteristics", Electronics Letters, Vol.53, No.8, 518-520 (SCI)

Nawaz, Haq and Bozkurt, Ayhan and Tekin, İbrahim (2017) "A novel power efficient asynchronous time difference of arrival indoor localization system using CC1101 radio transceivers", Microwave and Optical Technology Letters, Vol.59, No.3, 550-555 (SCI)

Seyyedesfahlan, Mirmehdi and Öztürk, Efe and Kaynak, Mehmet and Tekin, İbrahim (2016) "77-GHz four-element phased-array radar receiver front end", IEEE Transactions on Components, Packaging, and Manufacturing Technology, Vol.6, No.8, 1162-1173 (SCI)

Nawaz, Haq and Tekin, İbrahim (2016) "Dual port single patch antenna with high interport isolation for 2.4 GHz in-band full duplex wireless applications", Microwave and Optical Technology Letters, Vol.58, No.7, 1756-1759 (SCI)

Seyyedesfahlan, Mirmehdi and Tekin, İbrahim (2016) "ACP probe measurement of on-chip strip dipole antennas at w band", IEEE Transactions on Antennas and Propagation, Vol.64, No.4, 1270-1278 (SCI)

Shaikh, Ahmed Ziauddin and Tekin, İbrahim (2015) "Two axis direction finding antenna system using sum-difference patterns in X band", Microwave and Optical Technology Letters, Vol.57, No.9, 2085-2092 (SCI)

Öztürk, Efe and Seyyedesfahlan, Mirmehdi and Kaynak, Mehmet and Tekin, İbrahim (2015) "An ultra-wideband SiGe BiCMOS LNA for w-band applications", Microwave and Optical Technology Letters, Vol.57, No.6, 1274-1278 (SCI)

Nemati, Mohammad Hossein and Kazemi, Reza and Tekin, İbrahim (2014) "Pattern reconfigurable patch array for 2.4 GHz WLAN systems", Microwave and Optical Technology Letters, Vol.56, No.10, 2377-2381 (SCI)

Öztürk, Efe and Nemati, Mohammad Hossein and Kaynak, Mehmet and Tillack, Bernd and Tekin, İbrahim (2014) "SiGe process integrated full-360 degrees microelectromechanical systems-based active phase shifter for W-band automotive radar", IET Microwaves, Antennas & Propagation (SI), Vol.8, No.11, 835-841 (SCI)

Öztürk, Efe and Tekin, İbrahim (2014) "A novel three vector sum active phase shifter design for w-band automotive radar applications", Microwave and Optical Technology Letters, Vol.56, No.7, 1715-1721 (SCI)

Seyyedesfahlan, Mirmehdi and Kaynak, Mehmet and Goettel, Benjamin and Tekin, İbrahim (2013) "SiGe process integrated on-chip dipole antenna on finite size ground plane", IEEE Antennas and Wireless Propagation Letters, Vol.12, 1260-1263 (SCI)

Özsoy, Kerem and Bozkurt, Ayhan and Tekin, İbrahim (2013) "Indoor positioning based on global positioning system signals", Microwave and Optical Technology Letters, Vol.55, No.5, 1091-1097 (SCI)

Tekin, İbrahim and Knox, Michael (2012) "Reconfigurable microstrip patch antenna for WLAN software defined radio applications", Microwave and Optical Technology Letters, Vol.54, No.3, 644-649 (SCI)

Lisker, Marco and Marschmeyer, Steffen and Kaynak, Mehmet and Tekin, İbrahim (2011) "A sub-atmospheric chemical vapor deposition process for deposition of oxide liner in high aspect ratio through silicon vias", Journal of Nanoscience and Nanotechnology, Vol.11, No.9, 8061-8067 (SCI)

Kaynak, Mehmet and Tekin, İbrahim and Gürbüz, Yaşar (2011) "Fully integrated low-power SiGe power amplifier for biomedical applications", IET Microwaves, Antennas & Propagation, Vol.5, No.2, 214-219 (SCI)

Kaynak, Mehmet and Tekin, İbrahim and Gürbüz, Yaşar (2010) "Realisation of a single-chip, silicon germanium: C-based power amplifier for multi-band worldwide interoperability for microwave access applications", IET Microwaves, Antennas & Propagation, Vol.4, No.12, 2273-2280 (SCI)

Kaymaksüt, Ercan and Gürbüz, Yaşar and Tekin, İbrahim (2010) "A single-chip RF power amplifier with integrated impedance matching Wilkinson power dividers for 5.2 GHz WLAN applications", Microwave and Optical Technology Letters, Vol.52, No.11, 2413-2419 (SCI)

Bakkaloğlu, Ahmet Kemal and Ergintav, Arzu and Özeren, Emre and Tekin, İbrahim and Gürbüz, Yaşar (2009) "Design of a tunable multi-band differential LC VCO using 0.35 mu m SiGe BiCMOS technology for multi-standard wireless communication systems", Microelectronics Journal, Vol.40, No.6, 983-990 (SCI)

Tekin, İbrahim (2009) "Ultra wideband pulse generation using microstrip coupled lines", Microwave and Optical Technology Letters, Vol.51, No.4, 944-949 (SCI)

Kaymaksüt, Ercan and Gürbüz, Yaşar and Tekin, İbrahim (2009) "Impedance matching wilkinson power dividers in 0.35μm SiGe BiCMOS technology", Microwave and Optical Technology Letters, Vol.51, No.3, 681-685 (SCI)

Abbak, Mehmet and Tekin, İbrahim (2009) "RFID coverage extension using microstrip-patch antenna array", IEEE Antennas and Propagation Magazine, Vol.51, No.1, 185-191 (SCI)

Kabadayı, Sanem and Tekin, İbrahim (2008) "Software-only TDOA/RTF positioning for 3G WCDMA wireless network", Wireless Communications & Mobile Computing, Vol.8, No.7, 895-906 (SCI)

Heves, Emre and Tekin, İbrahim and Gürbüz, Yaşar (2008) "A MEM-varactor tuned, 7.8 GHz differential LC voltage-controlled oscillator", Sensors and Actuators A: Physical, Vol.144, No.2, 296-303 (SCI)

Kavlak, Canan and Gürbüz, Yaşar and Tekin, İbrahim (2007) "A Coplanar waveguide on-chip RF choke for WLAN RF circuits", Microwave and Optical Technology Letters, Vol.49, No.10 (Oc, 2530-2534 (SCI)

Esame, İbrahim Onur and Tekin, İbrahim and Bozkurt, Ayhan and Gürbüz, Yaşar (2007) "Design of a 4.2-5.4 GHz differential LC VCO using 0.35 mu m SiGeBiCMOS technology for IEEE 802.11a applications", International Journal of RF and Microwave Computer-Aided Engineering, Vol.17, No.2, 243-251 (SCI)

Engin, Erman and Çiftçioğlu, Berkehan and Özcan, Meriç and Tekin, İbrahim (2007) "A high resolution ultrawideband wall penetrating radar", Microwave and Optical Technology Letters, Vol.49, No.2, 320-325 (SCI)

Yılmaz, Sertaç and Tekin, İbrahim (2006) "An N-bit digitally variable ultra wideband pulse generator for GPR and UWB applications", Microwave and optical technology letters, Vol.48, No.7, 1334-1339 (SCI)

Tekin, İbrahim (2005) "UWB microstrip filter design using a time-domain technique", Microwave and Optical Technology Letters, Vol.47, No.4, 387-391 (SCI)

Gürbüz, Yaşar and Esame, İbrahim Onur and Tekin, İbrahim and Kang, Weng Poo and Davidson, Jimmy L. (2005) "Diamond semiconductor technology for RF device applications", Solid-state electronics, Vol.49, No.7, 1055-1070 (SCI)