Publications

Patents

1) I. Tekin and B. Chen, “Location Finding Using A Single Base Station In CDMA/TDMA Systems “, US Patent No: 6,300,905.

2) I. Tekin, B. Chen, R.E. Richton and G. E. Vanucci, ?’Method and apparatus for estimating the location of a mobile terminal”, US Patent No: 6,658,258

3) I. Tekin, B. Chen, and R. Da, ” Location determination using weighted ridge regression “, US Patent No: 6,587,692

4) I. Tekin, B. Chen, T.C. Chiang and R. Da, ?’Satellite-based location system employing dynamic integration techniques”, US Patent No: 6,965,760

Applications

1) I. Tekin and B. Chen, ?’Communications system and related method for determining a position of a mobile station”, US 20020160787
2) I. Tekin, ?’Novel ultra wideband waveform generator circuit”, US 20070002930

Book Chapter

1) Schreurs, Dominique and O’Droma, Martin and Goacher, Anthony and Gadringer, Michael, eds. (2008) RF power amplifier behavioral modeling. The Cambridge RF and Microwave Engineering Series, Cambridge University Press

Journals

1) Kaymaksut, Ercan and Gurbuz, Yasar and Tekin, İbrahim, ?’Impedance Matching Wilkinson Power Dividers in 0.35?m SiGe BiCMOS Technology” Microwave and Optical Technology Letters, March 2009, (SCI).

2) I. Tekin, ?’Ultra wideband pulse generation using microstrip coupled lines”, Microwave and Optical Technology Letters, 2009.

3) Kabadayi S., Tekin I., ?’Software-only TDOA/RTF positioning for 3G WCDMA wireless network”, WIRELESS COMMUNICATIONS & MOBILE COMPUTING, Volume: 8 Issue: 7 Pages: 895-906 Published: SEP 2008

4) Esame O., Tekin I., Gurbuz Y.,”Realization of a VCO for WLAN applications using 0.35 mu m-SiGe BiCMOS technology” INTERNATIONAL JOURNAL OF RF AND MICROWAVE COMPUTER-AIDED ENGINEERING Volume: 18 Issue: 5 Pages: 485-495 Published: SEP 2008.

5) Heves E., Tekin I., Gurbuz Y., ?’A MEM-varactor tuned, 7.8 GHz differential LC voltage-controlled oscillator”, SENSORS AND ACTUATORS A-PHYSICAL Volume: 144 Issue: 2 Pages: 296-303 Published: JUN 15 2008.

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

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

.8) Tekin, İbrahim, Yaşar Gürbüz, Ayhan Bozkurt, İbrahim Onur Esame, “Design of a 4.2-5.4 GHz Differential LC VCO Using 0.35m SiGe BiCMOS Technology for IEEE 802.11a Applications”, International Journal of RF and Microwave Computer-Aided Engineering, Vol.17, No.2, April 2006 (SCI)

9)Tekin, İbrahim, Sertaç Yılmaz, “An N-Bit Digitally Variable Ultra Wideband Pulse Generator for GPR and UWB”, Microwave and Optical Technology Letters, Vol.48, No.7, July 2006, 1334-1339 (SCI)

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

11) Gürbüz, Yaşar, İbrahim Tekin, İbrahim Onur Esame, Weng Poo Kang, Jimmy L. Davidson, “Diamond semiconductor technology for RF device applications”, Solid-State Electronics, Vol.49, No.7, July 2005, 1055-1070 (SCI)

12) O. Esame, Y. Gurbuz ve I. Tekin, “Performance Comparison of State-of-the-Art Heterojunction Bipolar Devices (HBT) based on AlGaAs/GaAs, Si/SiGe and InGaAs/InP “, Microelectronics Journal, 901-908, 2004.

13) I. Tekin, E.H. Newman, “Space-Domain Method of Moments solution for a Strip on a Dielectric Slab”, IEEE Trans. on Antennas and Propagation, vol. 46, pp. 1346, Sept. 1998.

14) I. Tekin, E.H. Newman, “A comparison of the transmission Through butt and overlap gaps”, IEEE Trans. on Electromagnetic Compatibility, vol.40, pp. 281, August 1998.

15) I. Tekin, E.H. Newman, “Method of Moments solution for a wire attached to an arbitrary faceted surface”, IEEE Trans. on Antennas and Propagation, vol. 46, pp. 559, April 1998.

16) I. Tekin, E.H. Newman, “Moment Method analysis of the magnetic shielding factor of a conducting TM shield at ELF”, IEEE Trans. on Electromagnetic Compatibility, vol. 38, pp. 585, Nov. 1996.

Conference Papers

1) Ozturk, Efe and Seyyedesfahlan, Mirmehdi and Kaynak, Mehmet and Tekin, Ibrahim, “77 GHz MEMS based phased array antenna integrated receiver”, Memswave 2012, Memswave Conference - Antalya, Turkey.
2) Ozturk, Efe and Kaynak, Mehmet and Tekin, Ibrahim, “2 Bit MEMS Based Digital Phase Shifter For 77 GHz Automotive Radar Applications”, Memswave 2013, Memswave Conference - Potsdam, Germany (forthcoming).
3) Ozturk, Efe and Kaynak, Mehmet and Tekin, Ibrahim, “SiGe Integrated 2×2 Bit MEMS Based Digital Phase Shifter For 77 GHz Automotive Radar Applications”, IEEE Microwave and Wireless Component Letters (forthcoming)
4) M.H.Nemati, and Ibrahim Tekin, “A 77GHz on-chip Microstrip patch antenna with suppressed surface wave using EBG(Electromagnetic Band-gap) substrate”, IEEE International Symposium on Antennas and Propagation, Orlando, July 2013.
5) Abbak, Mehmet and Tekin, İbrahim (2008) Mikroşerit Yama Dizi Anten ile RFID Sistemlerinde Mesafe Artırımı. In: IV. URSI-Turkiye Bilimsel Kongresi, Antalya Kaymaksüt, Ercan and Tekin, İbrahim (2008) Empedans Uyumlu Wilkinson Güç bölücü yöntemi ile Birleştirilmiş Güç Kuvvetlendiricisi Tasarımı. In: IV. URSI- Türkiye Bilimsel Kongresi, Antalya (Accepted/In Press)
6) Ozbek, Sefa and Tekin, İbrahim (2008) IEEE 802.15.3a Standard Uyumlu, Ultra Geniş Bantlı- Düşük Gürültülü Kuvvetlendirici Devresinin Gerçeklenmesi. In: IV. URSI-Turkiye Bilimsel Kongresi (Accepted/In Press)
7) Abbak, Mehmet and Tekin, İbrahim (2008) Microstrip patch antenna array for range extension of RFID applications. In: 2008 IEEE APS/URSI Conference, San Diego
.8) Heves, Emre and Tekin, İbrahim and Gürbüz, Yaşar (2007) Realization of Micromachined-Microelectromechanical Devices for Multiband/Tunable RF-Circuit Applications. In: TARGET DAYS, Rome - Italy
9) Kaynak, Mehmet and Uzunkol, Mehmet and Köklü, Gözen and Tekin, İbrahim and Gürbüz, Yaşar (2007) Realization of a Single and Multi-Power Amplifier Using IHP 0.25 um SiGe HBT Technology. In: TARGET DAYS 2007, Rome - Italy
10) Heves, Emre and Esame, İbrahim Onur and Tekin, İbrahim and Gürbüz, Yaşar (2007) A MEM Varactor Tuned-Voltage Controlled Oscillator fabricated using 0.35µm SiGe BiCMOS technology. In: European Microwave Week 2007, Munich Germany
11) Budak, Erhan and Çatay, Bülent and Tekin, İbrahim and Yenigün, Hüsnü and Abbak, Mehmet and Drannikov, Sergey and Şimşek, Oya (2007) Design of an RFID-based manufacturing monitoring and analysis system. In: RFID Eurasia, Istanbul, Turkey.
12) Budak, Erhan and Çatay, Bülent and Tekin, İbrahim and Yenigün, Hüsnü and Abbak, Mehmet and Drannikov, Sergey (2007) Microstrip patch antenna for RFID applications. In: RFID Eurasia, İstanbul
13) Gürbüz, Yaşar and Kaynak, Mehmet and Tekin, İbrahim (2006) Design of a single - chip, dual-band (2.4 GHz - WLAN and 3.6 GHz WiMAX), class a power amplifier using 0.25m-SiGe HBT technology. In: TARGET DAYS 2006 , Vienna
14) Esame, İbrahim Onur and Kaynak, Mehmet and Kavlak, Canan and Tekin, İbrahim and Gürbüz, Yaşar and Bozkurt, Ayhan (2006) IEEE 802.11a standard uyumlu, RF alıcı-verici alt-blok devrelerinin gerçeklenmesi. In: URSI-TÜRKİYE’2006 3. Bilimsel Kongresi ve 4. Ulusal Genel Kurul Toplantisi, Ankara
15) Esame, İbrahim Onur and Tekin, İbrahim and Gürbüz, Yaşar (2006) A 4.5-5.8 GHz Differential LC VCO using 0.35 m SiGe BiCMOS Technology. In: 36th European Microwave Conference 2006 (European Microwave Integrated Circuits Conference 2006),
16) Kaynak, Mehmet and Tekin, İbrahim and Gürbüz, Yaşar and Bozkurt, Ayhan (2006) A Low noise and low power, SiGe-BiCMOS LNA for IEEE 802.11a Applications. In: 36th European Microwave Conference 2006 (European Microwave Integrated Circuits Conference 2006), Manchester, UK
17) Kaynak, Mehmet and Tekin, İbrahim and Gürbüz, Yaşar and Bozkurt, Ayhan (2006) Tek kırmık 2.4-2.5 GHz (WLAN) ve 3.3-3.9 GHz (WiMAX) için, çift-bandlı A-Sınıfı güç yükselticisi. In: URSI-TÜRKİYE’2006 3. Bilimsel Kongresi ve 4. Ulusal Genel Kurul Toplantisi, Ankara
18) Sertac Yılmaz and Ibrahim Tekin, ?’Ultra-Wideband N-Bit Digitally Tunable Pulse Generator”, 2005 IEEE International Conference on Ultra-Wide Band, September 5 - 8, 2005 in Zurich, Switzerland
19) Onur Esame, Berkehan Ciftcioglu, Yasar Gurbuz, Ibrahim Tekin and Ayhan Bozkurt, ?’Design of a 4.4-5.9 GHz Differential LC VCO Using 0.35?m SiGe BiCMOS Technology for IEEE 802.11a Applications”, Mediterranean Microwave Symposium September 2005, Athens, Greece.
20) Mehmet Kaynak, Ibrahim Tekin, Yasar Gurbuz, Ayhan Bozkurt, “Low Noise Amplifier Design using 0.35µm SiGe BiCMOS technology for IEEE 802.11a Standard”, Mediterranean Microwave Symposium September 2005, Athens, Greece.
21) Nilufer Tonga, Mehmet Kaynak, Yasar Gurbuz, Ayhan Bozkurt, Ibrahim Tekin, “Power Amplifier Design for IEEE 802.11a Standard Using AMS 0.35 SiGe BiCMOS Technology”, Target Workshop on RF Power Amplifier April 2005, Orvieto, Italy.
22) Emre Salman, Hande Akın, Ozgur Gursoy, Arzu Ergintav, Ibrahim Tekin, Ayhan Bozkurt, Yasar Gurbuz, “Design and Verification of a PLL based Clock and Data Recovery Circuit”, Mediterranean Microwave Symposium September 2005, Athens, Greece
23) Soner Yaldiz, Serkan Ozdemir, Arzu Ergintav, Ibrahim Tekin, Ayhan Bozkurt, Yasar Gurbuz, “A Type II Fourth Order Fractional-N Frequency Synthesizer Design for Bluetooth Applications”, Mediterranean Microwave Symposium September 2005, Athens, Greece
24) Neslihan YILDIRIM GÜLER, İbrahim TEKİN, ?’INDOOR TRANSMITTER LOCALIZATION VIA DF/AOA TECHNIQUE”, IEEE APS-URSI Symposium, Monterey, CA, June 2004.
25) E. Zorlu, I. Tekin, ?’Effects of imperfect power control, frequency and timing offset on LS-DRMTA and LS-DRMTCMA algorithms for smart antennas, IEEE APS-URSI Symposium, Columbus, OH, June 2003
30) S. Uslu & I. Tekin, ?’PATH LOSS DUE TO RAIN FADING AND PRECIPITATION IN 26 GHz LMDS SYSTEMS: CONSIDERATION OF IMPLEMENTATION IN TURKEY”, CriMiCo’2003 13th International Conference “Microwave & Telecommunication Technology”, Sept. 9-12, 2003 , Sevastopol, Ukraine.
31) S. Kabadayı, I.Tekin, ?’SYSTEM-LEVEL SIMULATION OF A THIRD GENERATION WCDMA WIRELESS GEOLOCATION NETWORK”, IEEE APS-URSI Symposium, Austin, TX, June 2002.
32) I. Tekin, B. Chen, Z. Dziong, ”Simulation of a hybrid Geolocation Method for UMTS Location Service (LCS)”, IEEE APS-URSI Symposium, San Antonio TX, July 2002.
33) O. Sunay, I. Tekin, ?’Mobile Location Tracking for IS-95 Using the Forward Link Time Difference of Arrival Techniques and Its Application to Zone-Based Billing ?’, IEEE Globecom 99,
Dec. 5 1999, Rio de Janeiro, Brazil.
34) I. Tekin, E.H. Newman, ?’Space domain Method of Moments solution for a thin strip on a finite dielectric slab”, IEEE APS-URSI Symposium, Montreal Canada, July 1997.
35) I. Tekin, E.H. Newman, ?’Method of Moments solution for a wire attached to an arbitrary faceted surface”, IEEE APS-URSI Symposium, Baltimore MA, July 1996
36) I. Tekin, E.H. Newman, ?’Method of Moments solution for the electric and magnetic shielding factors of a conducting shield at ELF”, IEEE APS-URSI Symposium, Baltimore MA, July 1996.
37) E.H. Newman, I. Tekin, ?’An overview of the application of the Method of Moments to large bodies in Electromagnetics”, National Academy of Sciences Symposium on Large-Scale Structures in Acoustics and Electromagnetics, Washington D.C., 1996.
38) I. Tekin, S. Koc, A. Hizal, ?’Simultaneous frequency and direction finding technique using frequency scanning antenna arrays”, Jina 92, NICE, 12-14 November 1992, p.617-620.
39) I. Tekin, A. Hizal, ?’Simultaneous frequency and direction finding technique using frequency scanning antenna”, Proc. 22nd European Microwave Conference, Helsinki, Finland, 24-27 August 1992, vol.1, p.654-658.