
Dr.-Ing. Akanksha Bhutani
- wissenschaftliche Mitarbeiterin, Gruppenleiterin
- Raum: 1.28
- Tel.: +49 721 608 43304
- akanksha bhutani ∂does-not-exist.kit edu
Geb. 30.10
Engesserstraße 5
76131 Karlsruhe
Forschungsschwerpunkte
- Passive Komponenten für Millimeterwellen-Systeme,
- Metamaterial-Antennen für Millimeterwellen-Systems,
- Gehäuseintegration, Aufbau- und Verbindungstechnik für MMICs,
- Radarsignalverarbeitung für hochgenaue Entfernungsmessung
Publikationen
Dissertationen
2019
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Low Temperature Co-fired Ceramics for System-in-Package Applications at 122 GHz. Dissertation
Bhutani, A.
2019. Karlsruher Institut für Technologie (KIT). doi:10.5445/IR/1000096961/v2 -
Low Temperature Co-fired Ceramics for System-in-Package Applications at 122 GHz. Dissertation
Bhutani, A.
2019. KIT Scientific Publishing. doi:10.5445/KSP/1000095763
Zeitschriftenaufsätze
2023
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Process considerations for Aerosol-Jet printing of ultra fine features
Gramlich, G.; Huber, R.; Häslich, F.; Bhutani, A.; Lemmer, U.; Zwick, T.
2023. Flexible and Printed Electronics, 8 (3), Article no: 035002. doi:10.1088/2058-8585/ace3d8 -
A 220 GHz to 325 GHz Grounded Coplanar Waveguide Based Periodic Leaky-Wave Beam-Steering Antenna in Indium Phosphide Process
Bhutani, A.; Kretschmann, M.; Dittmer, J.; Lu, P.; Stöhr, A.; Zwick, T.
2023. Electronics (Switzerland), 12 (16), Art.-Nr.: 3482. doi:10.3390/electronics12163482 -
The 26th European Microwave Week in Berlin, Germany [MTT-S Society News]
Zwick, T.; Issakov, V.; Bhutani, A.
2023. IEEE Microwave Magazine, 24 (8), 67–69. doi:10.1109/MMM.2023.3277402 -
200–330-GHz Substrate-Integrated Waveguide in BEOL of a SiGe BiCMOS Process
Bhutani, A.; Kaynak, M.; Bekker, E.; Zwick, T.
2023. IEEE Microwave and Wireless Technology Letters, 33 (9), 1258–1261. doi:10.1109/LMWT.2023.3283304
2022
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Doppler Shift Tolerance of Accumulation and Outer Coding in MIMO-PMCW Radar
Oliveira, L. G. de; Bekker, E.; Bhutani, A.; Diewald, A.; Nuss, B.; Antes, T.; Zwick, T.
2022. IEEE microwave and wireless components letters, 32 (3), 257–260. doi:10.1109/LMWC.2021.3123691 -
Applications of radar measurement technology using 24 GHz, 61 GHz, 80 GHz and 122 GHz FMCW radar sensors Anwendungsgebiete von Radar-Messtechnik basierend auf 24 GHz, 61 GHz, 80 GHz und 122 GHz FMCW-Radarsensoren
Bhutani, A.; Marahrens, S.; Kretschmann, M.; Ayhan, S.; Scherr, S.; Göttel, B.; Pauli, M.; Zwick, T.
2022. Technisches Messen, 89 (2), 107–121. doi:10.1515/teme-2021-0034 -
Doppler Shift Tolerance of Typical Pseudorandom Binary Sequences in PMCW Radar
Giroto de Oliveira, L.; Antes, T.; Nuss, B.; Bekker, E.; Bhutani, A.; Diewald, A.; Alabd, M. B.; Li, Y.; Pauli, M.; Zwick, T.
2022. Sensors, 22 (9), 3212. doi:10.3390/s22093212 -
A D-Band Corporate-Feed Gap-Cavity Slot Array Antenna Using Virtual PEC Method
Li, T.; Bhutani, A.; Zwick, T.
2022. IEEE Transactions on Antennas and Propagation, 70 (8), 7258–7263. doi:10.1109/TAP.2022.3168741
2019
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Packaging Solution Based on Low-Temperature Cofired Ceramic Technology for Frequencies Beyond 100 GHz
Bhutani, A.; Gottel, B.; Lipp, A.; Zwick, T.
2019. IEEE transactions on components, packaging and manufacturing technology, 9 (5), 945–954. doi:10.1109/TCPMT.2018.2882062 -
The Role of Millimeter-Waves in the Distance Measurement Accuracy of an FMCW Radar Sensor
Bhutani, A.; Marahrens, S.; Gehringer, M.; Göttel, B.; Pauli, M.; Zwick, T.
2019. Sensors, 19 (18), Article No.3938. doi:10.3390/s19183938
2018
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Bandwidth Optimization Method for Reflective-Type Phase Shifters
Muller, D.; Haag, A.; Bhutani, A.; Tessmann, A.; Leuther, A.; Zwick, T.; Kallfass, I.
2018. IEEE transactions on microwave theory and techniques, 66 (4), 1754–1763. doi:10.1109/TMTT.2017.2779156
2017
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Packaging Solution for a Millimeter-Wave System-on-Chip Radar
Goettel, B.; Winkler, W.; Bhutani, A.; Boes, F.; Pauli, M.; Zwick, T.
2017. IEEE transactions on components, packaging and manufacturing technology, 8 (1), 73–81. doi:10.1109/TCPMT.2017.2758725 -
Influence of Radar Targets on the Accuracy of FMCW Radar Distance Measurements
Scherr, S.; Afroz, R.; Ayhan, S.; Thomas, S.; Jaeschke, T.; Marahrens, S.; Bhutani, A.; Pauli, M.; Pohl, N.; Zwick, T.
2017. IEEE transactions on microwave theory and techniques, 65 (10), 3640–3647. doi:10.1109/TMTT.2017.2741961 -
Pea-Sized mmW Transceivers : QFN-?Based Packaging Concepts for Millimeter-Wave Transceivers
Zwick, T.; Boes, F.; Göttel, B.; Bhutani, A.; Pauli, M. D.
2017. IEEE microwave magazine, 18 (6), 79–89. doi:10.1109/MMM.2017.2712020 -
CPW-to-SL transition in LTCC technology
Bhutani, A.; Goettel, B.; Thelemann, T.; Zwick, T.
2017. Electronics letters, 53 (9), 609–611. doi:10.1049/el.2017.0140 -
Miniaturized Millimeter-Wave Radar Sensor for High-Accuracy Applications
Pauli, M.; Gottel, B.; Scherr, S.; Bhutani, A.; Ayhan, S.; Winkler, W.; Zwick, T.
2017. IEEE transactions on microwave theory and techniques, 65 (5), 1707–1715. doi:10.1109/TMTT.2017.2677910 -
Millimeter-Wave Radar Sensor for Snow Height Measurements
Ayhan, S.; Pauli, M.; Scherr, S.; Göttel, B.; Bhutani, A.; Thomas, S.; Jaeschke, T.; Panel, J. M.; Vivier, F.; Eymard, L.; Weill, A.; Pohl, N.; Zwick, T.
2017. IEEE transactions on geoscience and remote sensing, 55 (2), 854–861. doi:10.1109/TGRS.2016.2616441
2016
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Impact of Frequency Ramp Nonlinearity, Phase Noise, and SNR on FMCW Radar Accuracy
Ayhan, S.; Scherr, S.; Bhutani, A.; Fischbach, B.; Pauli, M.; Zwick, T.
2016. IEEE transactions on microwave theory and techniques, 64 (10), 3290–3301. doi:10.1109/TMTT.2016.2599165
2015
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An Efficient Frequency and Phase Estimation Algorithm With CRB Performance for FMCW Radar Applications
Scherr, S.; Ayhan, S.; Fischbach, B.; Bhutani, A.; Pauli, M. D.; Zwick, T.
2015. IEEE Transactions on Instrumentation and Measurement, 64 (7), 1868–1875. doi:10.1109/TIM.2014.2381354 -
The 2015 IEEE MTT-S International Conference on Microwaves for Intelligent Mobility
Bhutani, A.; Mahler, T.; Zwick, T.; Bechter, J.; Schmid, M.; Waldschmidt, C.; Ponchak, G. E.
2015. IEEE Microwave Magazine, 16 (10), 82–83. doi:10.1109/MMM.2015.2465716
Proceedingsbeiträge
2023
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Velocities in Human Hand Gestures for Radar-based Gesture Recognition Applications
Antes, T.; De Oliveira, L. G.; Diewald, A.; Bekker, E.; Bhutani, A.; Zwick, T.
2023. 2023 IEEE Radar Conference (RadarConf23), 1–5, Institute of Electrical and Electronics Engineers (IEEE). doi:10.1109/RadarConf2351548.2023.10149720
2022
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Broadband Split Ring Resonator-Based Antennas at 140 GHz in Embedded Wafer Level Ball Grid Array Technology
Bekker, E.; Bhutani, A.; de Oliveira, L. G.; Antes, T.; Zwick, T.
2022. 2022 International Workshop on Antenna Technology (iWAT): 16–18 May 2022, Dublin, Ireland, 60–63, Institute of Electrical and Electronics Engineers (IEEE). doi:10.1109/iWAT54881.2022.9811051 -
Design of Antennas with Capacitively Coupled Patches for Enlarged Bandwidth in the 80 GHz Band
Mayer, J.; Kowalewski, J.; Bhutani, A.; de Oliveira, L. G.; Zwick, T.
2022. European Microwave Week 2021 "United in Microwaves": Conference Proceedings ; 2–7 April 2022, London, UK, 118–121, Institute of Electrical and Electronics Engineers (IEEE). doi:10.23919/EuRAD50154.2022.9784529 -
140 GHz Differential Antennas in Embedded Wafer Level Ball Grid Array Technology
Bhutani, A.; Bekker, E.; Li, T.; de Oliveira, L. G.; Zwick, T.
2022. 2021 51st European Microwave Conference (EuMC): 4–6 April 2022, London, UK, 881–884, Institute of Electrical and Electronics Engineers (IEEE). doi:10.23919/EuMC50147.2022.9784312 -
THz Broadband Antenna on GaAs using Laser-structured Fused Silica Matching Layer
Kretschmann, M.; Bohn, C.; Nuss, B.; Bhutani, A.; Tessmann, A.; Leuther, A.; Zwick, T.
2022. 2022 52nd European Microwave Conference (EuMC), 147–150, Institute of Electrical and Electronics Engineers (IEEE). doi:10.23919/EuMC54642.2022.9924427 -
Differential Split-Ring Resonator-Based Antenna at 140 GHz in Embedded Wafer Level Ball Grid Array Technology
Bekker, E.; Bhutani, A.; de Oliveira, L. G.; Antes, T.; Zwick, T.
2022. 2022 52nd European Microwave Conference (EuMC), 528–531, Institute of Electrical and Electronics Engineers (IEEE). doi:10.23919/EuMC54642.2022.9924286 -
Doppler Robustness Analysis of Orthogonal Sequences for MIMO PMCW Radar
Antes, T.; De Oliveira, L. G.; Bekker, E.; Bhutani, A.; Zwick, T.
2022. 2022 23rd International Radar Symposium (IRS), 384–389, IEEE Computer Society
2021
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Design of Wideband Dual-Polarized Metasurface Antenna Using Characteristic Mode Analysis
Li, T.; Bhutani, A.; Su, Y.; Dou, W.; Zwick, T.
2021. 2021 IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting: Proceedings ; 4–10 December 2021, Singapore, 1287–1288, Institute of Electrical and Electronics Engineers (IEEE). doi:10.1109/APS/URSI47566.2021.9704763 -
140 GHz Broadband Antenna in Embedded Wafer-Level Ball Grid Array Technology
Bhutani, A.; Bekker, E.; De Oliveira, L. G.; Pauli, M.; Zwick, T.
2021. 2021 15th European Conference on Antennas and Propagation (EuCAP): 22-26 March 2021, Düsseldorf, Germany, Institute of Electrical and Electronics Engineers (IEEE). doi:10.23919/EuCAP51087.2021.9411122
2020
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In-Antenna Power Combining for Highly-Integrated Millimeter-Wave Transmitters
Goettel, B.; Bhutani, A.; Marahrens, S.; Zwick, T.
2020. 2020 14th European Conference on Antennas and Propagation (EuCAP), Copenhagen, Denmark, Denmark, 15-20 March 2020, 1–5, Institute of Electrical and Electronics Engineers (IEEE). doi:10.23919/EuCAP48036.2020.9136076 -
Circular-Polarization Mushroom EBG Antenna Module for 122 GHz Monostatic Radar Sensor in LTCC Technology
Bhutani, A.; Marahrens, S.; Gottel, B.; Zwick, T.
2020. 2020 14th European Conference on Antennas and Propagation (EuCAP), Copenhagen, Denmark, Denmark, 15-20 March 2020, 1–5, Institute of Electrical and Electronics Engineers (IEEE). doi:10.23919/EuCAP48036.2020.9135646
2019
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Micrometer-accuracy distance measurement using 122 GHz LTCC radar system-in-package
Bhutani, A.; Pauli, M.; Latzko, T.; Gottel, B.; Gehringer, M.; Zwick, T.
2019. 2019 IEEE Asia-Pacific Microwave Conference (APMC), 753–755, Institute of Electrical and Electronics Engineers (IEEE). doi:10.1109/APMC46564.2019.9038836 -
122 GHz FMCW Radar System-in-Package in LTCC Technology
Bhutani, A.; Goettel, B.; Pauli, M.; Zwick, T.
2019. European Microwave Week 2019 "Universality Through Microwaves": Conference Proceedings, 29 September - 4 October 2019, Paris, France, 1008–1011, Institute of Electrical and Electronics Engineers (IEEE). doi:10.23919/EuMC.2019.8910716 -
122 GHz Aperture-Coupled Mushroom EBG Antenna in LTCC Technology
Bhutani, A.; Goettel, B.; Mayer, J.; Pauli, M.; Zwick, T.
2019. Proceedings of the 13th European Conference on Antennas and Propagation (EUCAP 2019), Krakow, PL, March 31 - April 5, 2019, Article No.8739848, Institute of Electrical and Electronics Engineers (IEEE)
2018
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Electromagnetically coupled coplanar waveguide to stripline transition in LTCC technology
Bhutani, A.; Goettel, B.; Mayer, J.; Pauli, M.; Zwick, T.
2018. 2018 German Microwave Conference (GeMiC), Freiburg, Germany, 12–14 March 2018, 371–374, Institute of Electrical and Electronics Engineers (IEEE). doi:10.23919/GEMIC.2018.8335107 -
Partially molded antenna-in-package concept for 122 GHz SiGe radar sensor
Bhutani, A.; Goettel, B.; Schaefer, J.; Zwick, T.
2018. IET Conference Publications, Volume 2018, Institution of Engineering and Technology (IET)
2017
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In-Antenna Power-Combining Methods
Goettel, B.; Schäfer, J.; Bhutani, A.; Gulan, H.; Zwick, T.
2017. EuCAP 2017 : Proceedings of the 11th European Conference on Antennas and Propagation, Paris, France, 19-24 March 2017, 2776–2730, Institute of Electrical and Electronics Engineers (IEEE). doi:10.23919/EuCAP.2017.7928385
2016
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3D metal printed Ku/Ka Band modified turnstile junction Orthomode Transducer
Bhutani, A.; Schaefer, J.; Pauli, M.; Scherr, S.; Goettel, B.; Nierlich, M.; Zwick, T.
2016. Proceedings of the 2016 Asia-Pacific Microwave Conference (APMC), New Dehli, India, 5-9 December 2016, 4 S., Institute of Electrical and Electronics Engineers (IEEE). doi:10.1109/APMC.2016.7931276 -
Low-cost antenna-in-package solution for 122 GHz radar module
Bhutani, A.; Goettel, B.; Streitz, T.; Scherr, S.; Winkler, W.; Zwick, T.
2016. 46th European Microwave Conference (EuMC), London, United Kingdom, 4–6 October 2016, 1469–1472, Institute of Electrical and Electronics Engineers (IEEE). doi:10.1109/EuMC.2016.7824632 -
Low-cost antenna-in-package solution for 122 GHz radar module
Bhutani, A.; Goettel, B.; Streitz, T.; Scherr, S.; Winkler, W.; Zwick, T.
2016. 2016 11th European Microwave Integrated Circuits Conference (EuMIC), London, United Kingdom, 3–4 October 2016, 540–543, Institute of Electrical and Electronics Engineers (IEEE). doi:10.1109/EuMIC.2016.7777611 -
Active multiple-feed on-chip radiator with in-antenna power-combining approach
Goettel, B.; Müller, D.; Gulan, H.; Bhutani, A.; Zwick, T.
2016. 10th European Conference on Antennas and Propagation, EuCAP 2016, Davos, Switzerland, 10 April 2016 through 15 April 2016, Art.Nr.: 7481996, Institute of Electrical and Electronics Engineers (IEEE). doi:10.1109/EuCAP.2016.7481996 -
122 GHz aperture-coupled stacked patch microstrip antenna in LTCC technology
Bhutani, A.; Gulan, H.; Goettel, B.; Heine, C.; Thelemann, T.; Pauli, M. D.; Zwick, T.
2016. 10th European Conference on Antennas and Propagation, EuCAP 2016, Davos, Switzerland, Art.Nr.: 7481147, Institute of Electrical and Electronics Engineers (IEEE). doi:10.1109/EuCAP.2016.7481147 -
System simulation for FMCW radar in industrial applications
Ayhan, S.; Scherr, S.; Bhutani, A.; Pauli, M. D.; Zwick, T.
2016. WiSNet 2016 - Proceedings, 2016 IEEE Topical Conference on Wireless Sensors and Sensor Networks, Austin; United States; 24 January 2016 through 27 January 2016, 27–30, Institute of Electrical and Electronics Engineers (IEEE). doi:10.1109/WISNET.2016.7444313
2015
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Novel planar electromagnetic bandgap for mutual coupling reduction between patch antennas
Bhutani, A.; Göttel, B.; Müller, D. N.; Zwick, T.
2015. 2015 German Microwave Conference (GeMiC 2015), Nürnberg, Germany, 16 - 18 March 2015, 76–79, Institute of Electrical and Electronics Engineers (IEEE). doi:10.1109/GEMIC.2015.7107756 -
Miniaturized 122 GHz ISM band FMCW radar with micrometer accuracy
Scherr, S.; Göttel, B.; Ayhan, S.; Bhutani, A.; Pauli, M. D.; Winkler, W.; Scheytt, J. C.; Zwick, T.
2015. 12th European Radar Conference, 9-11 September 2015, Paris, 277–280, Institute of Electrical and Electronics Engineers (IEEE). doi:10.1109/EuRAD.2015.7346291 -
Ultra Broadband Multiple Feed Antenna for Efficient on-Chip Power Combining
Göttel, B.; Gulan, H.; Bhutani, A.; Pauli, M.; Zwick, T.
2015. 2015 IEEE International Symposium on Antennas and Propagation & USNC/URSI National Radio Science Meeting, Vancouver, BC, 2015, 2037–2038, Institute of Electrical and Electronics Engineers (IEEE). doi:10.1109/APS.2015.7305408 -
Systemsimulationen von Breitbandkommunikationssystemen im E-Band
Eisenbeis, J.; Boes, F.; Lewark, U.; Bhutani, A.; Vangerow, C. von; Zwick, T.
2015. Deutscher Luft- und Raumfahrtkongress 2015, Rostock, 22. bis 24. September 2015, 8 S., Deutsche Gesellschaft für Luft- und Raumfahrt (DGLR) -
Radar Sensor for Waveguide Based Distance Measurements in Machine Tool Components
Ayhan, S.; Scherr, S.; Bhutani, A.; Pauli, M. D.; Zwick, T.
2015. 2015 IEEE MTT-S International Conference on Microwaves for Intelligent Mobility, ICMIM 2015, Heidelberg, 1–4, Institute of Electrical and Electronics Engineers (IEEE). doi:10.1109/ICMIM.2015.7117924