[ 36 ] F. Sheikh, A. Prokscha, J. M. Eckhardt, T. Doeker, N. A. Abbasi, J. Gomez-Ponce, B. Sievert, J. T. Svejda, A. Rennings, J. Barowski, C. Schulz, I. Rolfes, D. Erni, A. F. Molisch, T. Kürner and T. Kaiser, "THz Measurements, Antennas, and Simulations: From the Past to the Future", IEEE Journal of Microwaves, vol.3, no.1, pp.289-304, 2023.

[ 35 ] F. Sheikh, A. Prokscha, A. Batra, D. Lessy, B. Salah, B. Sievert, M. Degen, A. Rennings, M. Jalali, J. T. Svejda, P. Alibeigloo, E. Mutlu, C. Preuss, R. Kress, S. Clochiatti, K. Kolpatzeck, T. Kubiczek, I. Ullmann, K. Root, F. Brix, U. Krämer, M. Vossiek, J. C. Balzer, N. G. Weimann, T. Kaiser, D. Erni, "Towards Continuous Real-Time Plant and Insect Monitoring by Miniaturized THz Systems", IEEE Journal of Microwaves, May 2023.

[ 34 ] J.C. Balzer, C. J. Saraceno, M, Koch, P, Kaurav, U. R. Pfeiffer, W. Withayachumnankul, T. Kürner, A. Stöhr, M. El-Absi, A. Al-haj Abbas, T. Kaiser, A. Czylwik, "THz Systems Exploiting Photonics and Communications Technologies", IEEE Journal of Microwaves, vol.3, no.1, pp.268-288, 2023.

[ 33 ] J. Alam, M. Khaliel, F. Zheng, K. Solbach, T. Kaiser, “Clutter Effect Investigation on Co-Polarized Chipless RFID Tags and Mitigation Using Cross-Polarized Tags, Analytical Model, Simulation, and Measurement,” Sensors, vol.23, no.17, 7562, 2023. available: doi.org/10.3390/s23177562.

[ 32 ] J. Alam, M. Khaliel, A. El-Awamry, F. Zheng, K. Solbach and T. Kaiser, “A Mathematical Framework, Simulation, and Measurement of Harmonic Identification Systems,” IEEE Access, vol.11, pp.71811-71822, 2023. DoI: 10.1109/ACCESS.2023.3295127. 

[ 31 ] A. A. Abbas, Y. Zhao, J. C. Balzer, K. Solbach, T. Kaiser, “Photonic-Crystal-Resonator-Based Corner Reflector With Angle-of-Arrival Sensing,” IEEE J. Radio Frequency Identification, vol.7, pp.451-462, 2023.

[ 30 ] V. T. Vu, M. I. Pettersson, A. Batra, T. Kaiser, “Fourier Transform of SAR Data Cube and 3D Range Migration Algorithm,” IEEE Trans. Aerospace and Electronic Systems, vol.58, no.3, pp.2584-2591, 2022.

[ 29 ] Y. Ivanenko, V. T. Vu, A. Batra, T. Kaiser, M. I. Pettersson, “Interpolation Methods with Phase Control for Backprojection of Complex-valued SAR Data,” Sensors, vol.22, no.13, 4941, 2022.

[ 28 ] M. El-Absi, A. Abbas and T. Kaiser, “Chipless RFID Tags Placement Optimization as Infrastructure for Maximal Localization Coverage,” IEEE J. Radio Frequency Identification, vol.6, pp.368-380, 2022.

[ 27 ] A. Batra, F Sheikh, M Khaliel, M. Wiemeler, D. Göhringer and T. Kaiser, “Object Recognition in High-Resolution Indoor THz SAR Mapped Environment,” Sensors, vol.22, no.10, 3762, 2022. 

[ 26 ] A. Alhaj Abbas, Y. Zantah, A. Abuelhaija, T. Kaiser, "Millimeter-Wave Retro-Directive Frequency Coded Lens by Curved One-Dimensional Photonic Crystal Resonator", IEEE Access, Dec. 2022. DOI: 10.1109/ACCESS.2022.3226124.

[ 25 ] F. Sheikh, Y. Zantah, I. Mabrouk, M. Alissa, J. Barowski, I. Rolfes, and T. Kaiser, “Scattering and Roughness Analysis of Indoor Materials at Frequencies from 750 GHz to 1.1 THz,” IEEE Trans. Antennas and Propagation, vol.69, no.11, pp.7820-7829, 2021. 

[ 24 ] A. Batra, J. Barowski, D. Damyanov, M. Wiemeler, I. Rolfes, T. Schultze, J. C. Balzer, D. Göhringer, T. Kaiser,  “Short-Range SAR Imaging From GHz to THz Waves,” IEEE J. Microwaves, vol.1, no.2, pp.574-585, 2021. 

[ 23 ] A. A. Abbas , M. Haj Hassan , A. Abuelhaija , D. Erni, K. Solbach, T. Kaiser, “Retro-directive Dielectric Resonator Tag With Polarization Twist Signature for Clutter Suppression in Self-Localization System,” IEEE Trans. Microwave Theory and Techniques, vol.69, no.12, pp.5291-5299, 2021.

[ 22 ] A. A. Abbas, M. El-Absi, A. Abuelhaija, K. Solbach, T. Kaiser, “Corner reflector tag with RCS frequency coding by dielectric resonators,” IET Microw. Antennas Propag. vol.15, no.6, pp.560–570, 2021. 

[ 21 ] D. Tubail, M. El-Absi, A. Salhab, S. Ikki, S. Zummo, and T. Kaiser, "Physical Layer Security of Interference Aligned Mixed RF/UnifiedFSO Relaying Network," IET Communications, vol.14, pp.2282-2293, 2020. 

[ 20 ] F. Sheikh, Y. Gao, and T. Kaiser, “A Study of Diffuse Scattering in Massive MIMO Channels at Terahertz Frequencies,” IEEE Trans. Antennas and Propagation, vol.68, no.2, pp.997-1008, 2020. 

[ 19 ] A. Jiménez-Sáez, A. Alhaj-Abbas, M. Schüßler, A. Abuelhaija, M. El-Absi, M. Sakaki, L. Samfaß, N. Benson, M. Hoffmann, R. Jakoby, T. Kaiser, and K. Solbach, "Frequency-Coded mm-Wave Tags for Self-Localization System Using Dielectric Resonators," Journal of Infrared, Millimeter, and Terahertz Waves, vol.41, pp.908–925, 2020.

[ 18 ] A. Jiménez-Sáez, M. Schüßler, M. El-Absi, A. A. Abbas, K. Solbach, T. Kaiser, R. Jakoby, “Frequency Selective Surface Coded Retroreflectors for Chipless Indoor Localization Tag Landmarks,” IEEE Antennas and Wireless Propagation Letters, vol.19, no.5, pp.726-730, 2020. 

[ 17 ] M. H. Hassan, B. Sievert, J. T. Svejda, A. A. Abbas, A. Jiménez-Sáez, A. M. Ahmad, M. Schüssler, A. Rennings, K. Solbach, T. Kaiser, R. Jakoby, A. Sezgin, and D. Erni, “OAM mode order conversion and clutter rejection with OAM-coded RFID tags,” IEEE Access, vol.8, pp.218729-218738, 2020, doi: 10.1109/ACCESS.2020.3043053.

[ 16 ] M. El-Absi, F. Zheng, A. Abuelhaija, A. A. Abbas, K. Solbach, and T. Kaiser, “Indoor Large-Scale MIMO-Based RSSI Localization with Low-Complexity RFID Infrastructure,” Sensors, vol.20, no.14, p.3933, 2020. available: www.mdpi.com/1424-8220/20/14/3933

[ 15 ] M. El-Absi, A. Alhaj-Abbas, A. Abuelhaija, K. Solbach, T. Kaiser, “Chipless RFID Infrastructure Based Self-Localization: Testbed Evaluation,” IEEE Trans. Vehicular Technology, vol.69, no.7, pp.7751-7761, 2020. 

[ 14 ] D. Damyanov, A. Batra, B. Friederich, T. Kaiser, T. Schultze and J. C. Balzer, "High-Resolution Long-Range THz Imaging for Tunable Continuous-Wave Systems," in IEEE Access, vol.8, pp.151997-152007, 2020, doi: 10.1109/ACCESS.2020.3017821.

[ 13 ] A. Batra, M. El-Absi, M. Wiemeler, D. Goehringer and T. Kaiser, "Indoor THz SAR Trajectory Deviations Effects and Compensation with Passive sub-mm Localization System," IEEE Access, vol.8, pp.177519-177533, 2020, doi: 10.1109/ACCESS.2020.3026884.

[ 12 ] M. Alissa, B. Friederich, F. Sheikh, A. Czylwik, T. Kaiser, "Experimental Investigation of Terahertz Scattering: A Study of Non-Gaussianity and Lateral Roughness Influence," IEEE Access, vol.8, pp.170672-170680, 2020.

[ 11 ] J. Alam, M. Khaliel, A. Fawky, A. El-Awamry, T. Kaiser, Frequency-Coded Chipless RFID Tags: Notch Model, Detection, Angular Orientation, and Coverage Measurements, Sensors, 20(7), 1843, 2020. doi: 10.3390/s20071843. 

[ 10 ] A. A. Abbas, M. El-Absi, A. Abuelhaija, K. Solbach, T. Kaiser, "Wide-Angle RCS Enhanced Tag Based on Dielectric Resonator – Lens Combination", Frequenz, vol.74, no.1-2, 2020.

[ 9 ] A. A. Abbas, M. El-Absi, A. Abuelhaija, K. Solbach, T. Kaiser, "Metallic reflectors with notched RCS spectral signature using dielectric Resonators," Electronics Letters, vol.56, no.6, pp.273-276, 2020. 

[ 8 ] N. Zarifeh, Y. Zantah, Y. Gao, T. Kaiser, “Full-Duplex Femto Base-Station With Antenna Selection: Experimental Validation,” IEEE Access, vol.7, pp.108781-108794, 2019. DOI: 10.1109/ACCESS.2019.2933427.   

[ 7 ] D. Peethala, T. Kaiser, and A. J. H. Vinck, “Reliability Analysis of Centralized Radio Access Networks in Non-line-of-sight and Line-of-sight Scenarios,” IEEE Access, vol.7, pp.18311-18318, 2019. DOI: 10.1109/ACCESS.2019.2896410. 

[ 6 ] Y. Chen, F. Zheng, T. Kaiser, and A. J. H. Vinck, “An Information-Theoretic Approach to the Chipless RFID Tag Identification,” IEEE Access, vol.7, pp.96984-97000, 2019. DOI: 10.1109/ACCESS.2019.2929243.

[ 5 ] A. A. Abbas, M. El-Absi, A. Abuelhaija, K. Solbach, and Thomas Kaiser, “Dielectric resonator-based passive chipless tag with angle-of-arrival sensing,” IEEE Trans. Microwave Theory and Techniques, vol.67, no.5, pp.2010-2017, 2019. 

[ 4 ] F. Zheng, Y. Chen, T. Kaiser, and A. J. Han Vinck, “On the Coding of Chipless Tags,” IEEE J. Radio Frequency Identification, vol.2, no.4, pp.170-184, 2018. 

[ 3 ] D. Tubail, M. El-Absi, S. S. Ikki, W. Mesbah, and T. Kaiser, "Artificial Noise-Based Physical-Layer Security in Interference Alignment Multipair Two-Way Relaying Networks," IEEE Access, vol.6, pp.19073-19085, 2018. 

[ 2 ] Y. Gao, H. Vinck, and T. Kaiser, “Massive MIMO Antenna Selection: Switching Architectures, Capacity Bounds, and Optimal Antenna Selection Algorithms,” IEEE Trans. Signal Processing, vol.66, no.5, pp.1346-1360, 2018.

[ 1 ] M. El-Absi, A. Alhaj Abbas, A. Abuelhaija, F. Zheng, K. Solbach, and T. Kaiser, “High-Accuracy Indoor Localization Based on Chipless RFID Systems at THz Band,” IEEE Access, vol.6, pp.54355-54368, 2018.