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Ulf Johannsen
Ulf Johannsen
Associate Professor at TU Eindhoven
Verificeret mail på ieee.org
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On-chip antenna integration for millimeter-wave single-chip FMCW radar, providing high efficiency and isolation
BB Adela, PTM van Zeijl, U Johannsen, AB Smolders
IEEE Transactions on Antennas and Propagation 64 (8), 3281-3291, 2016
602016
A 71GHz RF energy harvesting tag with 8% efficiency for wireless temperature sensors in 65nm CMOS
H Gao, MK Matters-Kammerer, P Harpe, D Milosevic, U Johannsen, ...
2013 IEEE Radio Frequency Integrated Circuits Symposium (RFIC), 403-406, 2013
592013
5G RAN architecture based on analog radio-over-fiber fronthaul over UDWDM-PON and phased array fed reflector antennas
D Konstantinou, TAH Bressner, S Rommel, U Johannsen, MN Johansson, ...
Optics Communications 454, 124464, 2020
552020
Axial ratio enhancement for circularly-polarized millimeter-wave phased-arrays using a sequential rotation technique
AB Smolders, U Johannsen
IEEE Transactions on Antennas and Propagation 59 (9), 3465-3469, 2011
502011
Substrate loss reduction in antenna-on-chip design
U Johannsen, AB Smolders, R Mahmoudi, JAG Akkermans
2009 IEEE Antennas and Propagation Society International Symposium, 1-4, 2009
442009
Building 5G millimeter-wave wireless infrastructure: Wide-scan focal-plane arrays with broadband optical beamforming
AB Smolders, A Dubok, NM Tessema, Z Chen, A Al Rawi, U Johannsen, ...
IEEE Antennas and Propagation Magazine 61 (2), 53-62, 2019
402019
A review of design and integration technologies for D-band antennas
M de Kok, AB Smolders, U Johannsen
IEEE Open Journal of Antennas and Propagation 2, 746-758, 2021
392021
Analysis and compensation of phase noise in mm-wave OFDM ARoF systems for beyond 5G
JP Santacruz, S Rommel, U Johannsen, A Jurado-Navas, IT Monroy
Journal of Lightwave Technology 39 (6), 1602-1610, 2020
332020
Candidate waveforms for ARoF in beyond 5G
J Pérez Santacruz, S Rommel, U Johannsen, A Jurado-Navas, ...
Applied Sciences 10 (11), 3891, 2020
272020
Improved statistical model on the effect of random errors in the phase and amplitude of element excitations on the array radiation pattern
AJ van den Biggelaar, U Johannsen, P Mattheijssen, AB Smolders
IEEE Transactions on Antennas and Propagation 66 (5), 2309-2317, 2018
272018
Passive cooling of mm-wave active integrated 5G base station antennas using CPU heatsinks
Y Aslan, CE Kiper, AJ van den Biggelaar, U Johannsen, A Yarovoy
2019 16th European Radar Conference (EuRAD), 121-124, 2019
262019
Analog radio over fiber fronthaul for high bandwidth 5G millimeter-wave carrier aggregated OFDM
D Konstantinou, A Morales, S Rommel, TR Raddo, U Johannsen, ...
2019 21st International Conference on Transparent Optical Networks (ICTON), 1-4, 2019
262019
On the yield of millimeter-wave bond-wire-antennas in high volume production
U Johannsen, AB Smolders
IEEE Transactions on Antennas and Propagation 61 (8), 4363-4366, 2013
252013
Measurement and calibration challenges of microwave and millimeter-wave phased-arrays
AB Smolders, ACF Reniers, U Johannsen, M Herben
2013 International Workshop on Antenna Technology (iWAT), 358-361, 2013
222013
Technologies for integrated millimeter-wave antennas
U Johannsen
202013
Multi-panel sparse base station design with physical antenna effects in massive MU-MIMO
N Amani, H Wymeersch, U Johannsen, AB Smolders, MV Ivashina, ...
IEEE Transactions on Vehicular Technology 69 (6), 6500-6510, 2020
172020
Improved probing reliability in antenna-on-chip measurements
Q Liu, ACF Reniers, U Johannsen, MC van Beurden, AB Smolders
IEEE Antennas and Wireless Propagation Letters 17 (9), 1745-1749, 2018
172018
On-chip metal tiling for improving grounded mm-Wave antenna-on-chip performance in standard low-cost packaging
Q Liu, AJ van den Biggelaar, U Johannsen, MC van Beurden, ...
IEEE Transactions on Antennas and Propagation 68 (4), 2638-2645, 2019
152019
Bond-wires: Readily available integrated millimeter-wave antennas
U Johannsen, AB Smolders, J Leiss, U Gollor
2012 42nd European Microwave Conference, 197-200, 2012
142012
Beyond 5G-wireless data center connectivity
S Rommel, TR Raddo, U Johannsen, C Okonkwo, IT Monroy
Broadband Access Communication Technologies XIII 10945, 125-133, 2019
132019
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Artikler 1–20