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Research Project: Ad-REM Radio: Ad-hoc Dynamic Radio-spectrum Exploitation via Multi-phase Radio
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2015

Mahrof, D.H. (2015) Distortion mitigation in cognitive radio receivers. PhD thesis, Univ. of Twente. CTIT Ph.D. Thesis Series No. 15-348 ISBN 978-90-365-3846-6

2014

Ghaffari, A. and Klumperink, E.A.M. and van Vliet, F.E. and Nauta, B. (2014) A 4-element phased-array system with simultaneous spatial- and frequency-domain filtering at the antenna inputs. IEEE journal of solid-state circuits, 49 (6). pp. 1303-1316. ISSN 0018-9200 *** ISI Impact 3,299 ***
Mahrof, D.H. and Klumperink, E.A.M. and Ru, Zhiyu and Oude Alink, M.S. and Nauta, B. (2014) Cancellation of OpAmp virtual ground imperfections by a negative conductance applied to improve RF receiver linearity. IEEE journal of solid-state circuits, 49 (5). pp. 1112-1124. ISSN 0018-9200 *** ISI Impact 3,299 ***
Subhan, S. (2014) Cognitive radio transmitter with a broadband clean frequency spectrum. PhD thesis, Univ. of Twente. CTIT Ph.D.-thesis series No. 14-310 ISBN 978-90-365-3677-6
Subhan, S. and Klumperink, E.A.M. and Ghaffari, A. and Wienk, G.J.M. and Nauta, B. (2014) A 100 – 800MHz 8-Path polyphase transmitter with mixer duty-cycle control achieving <-40dBc for ALL harmonics. IEEE journal of solid-state circuits, 49 (3). pp. 595-607. ISSN 0018-9200 *** ISI Impact 3,299 ***

2013

Ghaffari, A. (2013) Switched-RC radio frequency N-patch filters. PhD thesis, University of Twente. CTIT Ph.D.-thesis series No. 13-244 ISBN 978-90-365-3519-9
Ghaffari, A. and Klumperink, E.A.M. and Nauta, B. (2013) Tunable n-path notch filters for blocker suppression: modeling and verification. IEEE journal of solid-state circuits, 48 (6). pp. 1370-1382. ISSN 0018-9200 *** ISI Impact 3,299 ***
Ghaffari, A. and Klumperink, E.A.M. and van Vliet, F.E. and Nauta, B. (2013) Simultaneous apatial and frequency domain filtering at the antenna inputs achieving up to +10dBm out-of-band/beam P 1dB. In: Solid-State Circuits Conference Digest of Technical Papers (ISSCC), 2013 IEEE International, 17-21 Feb 2013, San Francisco, CA, USA. pp. 84-85. IEEE Press. ISSN 0193-6530 ISBN 978-1-4673-4515-6
Haider, N. and Oude Alink, M.S. and Caratelli, D. and Klumperink, E.A.M. and Yarovoy, A.G. (2013) Frequency-Tunable antenna by input-impedance-tunable CMOS RF-Frontend. In: European Microwave Intergrated Circuits Conference, EuMIC 2013, 6-8 Oct 2013, Nuremberg, Germany. pp. 308-311. IEEE. ISBN 978-2-87487-032-3
Mahrof, D.H. and Klumperink, E.A.M. and Oude Alink, M.S. and Nauta, B. (2013) A receiver with in-band IIP3>20dBm, exploiting cancelling of OpAmp finite-gain-induced distortion via negative conductance. In: IEEE Radio Frequency Integrated Circuits Symposium, RFIC 2013, 2-4 Jun 2013, Seattle, WA, USA. pp. 85-88. IEEE Press. ISSN 1529-2517 ISBN 978-1-4673-6059-3
Oude Alink, M.S. (2013) RF Spectrum sensing in CMOS Exploiting Crosscorrelation. PhD thesis, University of Twente. CTIT Ph.D.-thesis series No. 12-236 ISBN 978-90-365-3497-0
Oude Alink, M.S. and Klumperink, E.A.M. and Kokkeler, A.B.J. and Ru, Zhiyu and Cheng, Wei and Nauta, B. (2013) Using crosscorrelation to mitigate analog/RF impairments for integrated spectrum analyzers. IEEE Transactions on Microwave Theory and Techniques, 61 (3). pp. 1327-1337. ISSN 0018-9480 *** ISI Impact 2,284 ***
Oude Alink, M.S. and Kokkeler, A.B.J. and Klumperink, E.A.M. and Smit, G.J.M. and Nauta, B. (2013) Spectrum sensing with high sensitivity and interferer robustness using cross-correlation energy detection. IEEE Journal on Emerging and Selected Topics in Circuits and Systems , Volume 3 (Issue 4). pp. 566-575. ISSN 2156-3357 *** ISI Impact 1,578 ***

2012

Ghaffari, A. and Klumperink, E.A.M. and Nauta, B. (2012) 8-Path Tunable RF Notch Filters for Blocker Suppression. In: IEEE International Solid-State Circuits Conference, Digest of Technical Papers (ISSCC 2012), 19-23 Feb 2012, San Francisco. pp. 76-78. IEEE Press. ISSN 0193-6530 ISBN 978-1-4673-0376-7
Oude Alink, M.S. and Klumperink, E.A.M. and Kokkeler, A.B.J. and Cheng, Wei and Ru, Zhiyu and Ghaffari, A. and Wienk, G.J.M. and Nauta, B. (2012) A CMOS spectrum analyzer frontend for cognitive radio achieving +25dBm IIP3 and −169 dBm/Hz DANL. In: IEEE Radio Frequency Integrated Circuits Symposium, RFIC 2012, 17-19 June 2012, Montreal, Canada. pp. 35-38. IEEE Press. ISSN 1529-2517 ISBN 978-1-4673-0415-3
Oude Alink, M.S. and Klumperink, E.A.M. and Kokkeler, A.B.J. and Smit, G.J.M. and Nauta, B. (2012) CMOS RF Transceiver condiderations for Dynamic Spectrum Access. In: Cognitive Communications: Distributed Artificial Intelligence (DAI), Regulatory Policy and Economics, Implementation. John Wiley & Sons, USA, pp. 417-462. ISBN 978-1-1199-5150-6
Oude Alink, M.S. and Klumperink, E.A.M. and Kokkeler, A.B.J. and Soer, M.C.M. and Smit, G.J.M. and Nauta, B. (2012) A CMOS-Compatible Spectrum Analyzer for Cognitive Radio Exploiting Crosscorrelation to Improve Linearity and Noise Performance. IEEE Transactions on Circuits and Systems I: Regular Papers, 59 (3). pp. 479-492. ISSN 1549-8328 *** ISI Impact 2,393 ***
Oude Alink, M.S. and Kokkeler, A.B.J. and Klumperink, E.A.M. and Ru, Zhiyu and Cheng, Wei and Nauta, B. (2012) Improving harmonic rejection for spectrum sensing using crosscorrelation. In: 38th European Solid-State Circuit Conference, ESSCIRC 2012, 17-21 Sept 2012, Bordeaux, France. pp. 361-364. IEEE Press. ISSN 1930-8833 ISBN 978-1-4673-2212-6

2011

Bicker, P.I. (2011) Analysis and design of an ADC for a spectrum analyzer. Master's thesis, University of Twente.
Ghaffari, A. and Klumperink, E.A.M. and Soer, M.C.M. and Nauta, B. (2011) Tunable High-Q N-Path Band-Pass Filters: Modeling and Verification. IEEE journal of solid-state circuits, 46 (5). pp. 998-1010. ISSN 0018-9200 *** ISI Impact 3,299 ***
Oude Alink, M.S. and Kokkeler, A.B.J. and Klumperink, E.A.M. and Smit, G.J.M. and Nauta, B. (2011) Lowering the SNR-Wall for Energy Detection Using Crosscorrelation. IEEE Transactions on Vehicular Technology, 60 (8). pp. 3748-3757. ISSN 0018-9545 *** ISI Impact 2,243 ***
Oude Alink, M.S. and Smeenge, A.R. and Kokkeler, A.B.J. and Klumperink, E.A.M. and Smit, G.J.M. and Nauta, B. (2011) Exploring the Use of Two Antennas for Crosscorrelation Spectrum Sensing. In: IEEE Vehicular Technology Conference (VTC Fall 2011), 5-8 Sept 2011, San Francisco. pp. 1-5. IEEE Press. ISSN 1090-3038 ISBN 978-1-4244-8328-0
Subhan, S. and Klumperink, E.A.M. and Nauta, B. (2011) Towards suppression of all harmonics in a polyphase multipath transmitter. In: IEEE International Symposium on Circuits and Systems, ISCAS 2011, 15-18 May 2011, Rio de Janeiro, Brazil. pp. 2185-2188. IEEE Press. ISSN 0271-4302 ISBN 978-1-4244-9472-9

2010

Ghaffari, A. and Klumperink, E.A.M. and Nauta, B. (2010) A Differential 4-Path Highly Linear Widely Tunable On-Chip Band-Pass Filter. In: IEEE Radio Frequency Integrated Circuits Symposium (RFIC 2010), 23-25 May 2010, Anaheim, CA, USA. pp. 299-302. IEEE Press. ISBN 978-1-4244-6240-7
Mahrof, D.H. and Klumperink, E.A.M. and Haartsen, J.C. and Nauta, B. (2010) On the Effect of Spectral Location of Interferers on Linearity Requirements for Wideband Cognitive Radio Receivers. In: IEEE Symposium of New Frontiers in Dynamic Spectrum Access Networks (DySPAN 2010), 6-9-April 2010, Singapore. pp. 1-9. IEEE Press. ISBN 978-1-4244-5189-0
Olieman, E. (2010) Charge Steered RF PA. Master's thesis, University of Twente.
Oude Alink, M.S. and Klumperink, E.A.M. and Soer, M.C.M. and Kokkeler, A.B.J. and Nauta, B. (2010) A 50MHz-to-1.5GHz Cross-Correlation CMOS Spectrum Analyzer for Cognitive Radio with 89dB SFDR in 1MHz RBW. In: IEEE Symposium on New Frontiers in Dynamic Spectrum Access Networks (DySPAN 2010), 6-9-April-2010, Signapore. pp. 1-6. IEEE Press. ISBN 978-1-4244-5188-3
Smeenge, A.R. (2010) Improving Cross-Correlation Spectrum Sensing Using Two Antennas. Master's thesis, University of Twente.

2009

Oude Alink, M.S. and Kokkeler, A.B.J. and Klumperink, E.A.M. and Rovers, K.C. and Smit, G.J.M. and Nauta, B. (2009) Spurious-Free Dynamic Range of a Uniform Quantizer. IEEE transactions on circuits and systems II: Express Briefs, 56 (6). pp. 434-438. ISSN 1549-7747 *** ISI Impact 1,136 ***

2008

Jiraseree-Amornkun, A. and Worapishet, A. and Klumperink, E.A.M. and Nauta, B. and Surakampontorn, W. (2008) Theoretical analysis of highly linear tunable filters using Switched-Resistor techniques. IEEE transactions on circuits and systems I: regular papers, 55 (11). pp. 3641-3654. ISSN 1549-8328 *** ISI Impact 2,393 ***
Oude Alink, M.S. (2008) Increasing the Spurious-Free Dynamic Range of an Integrated Spectrum Analyzer. Master's thesis, University of Twente.
Subhan, S. and Klumperink, E.A.M. and Nauta, B. (2008) D/A Resolution Impact on a Poly-phase Multipath Transmitter. In: Proceedings of the 19th Annual Workshop on Circuits, 27 Nov 2008, Veldhoven. pp. 272-278. technology foundation stw. ISBN 978-90-73461-56-7