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Jakob Helander
Jakob Helander
Antenna Engineer
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Performance analysis of millimeter-wave phased array antennas in cellular handsets
J Helander, K Zhao, Z Ying, D Sjöberg
IEEE Antennas and Wireless Propagation Letters 15, 504-507, 2015
1712015
User body effect on phased array in user equipment for the 5G mmWave communication system
K Zhao, J Helander, D Sjöberg, S He, T Bolin, Z Ying
IEEE antennas and wireless propagation letters 16, 864-867, 2016
812016
Wireless body area network for heart attack detection [Education Corner]
G Wolgast, C Ehrenborg, A Israelsson, J Helander, E Johansson, ...
IEEE antennas and propagation magazine 58 (5), 84-92, 2016
592016
Compressive sensing techniques for mm-wave nondestructive testing of composite panels
J Helander, A Ericsson, M Gustafsson, T Martin, D Sjöberg, C Larsson
IEEE Transactions on Antennas and Propagation 65 (10), 5523-5531, 2017
332017
Method of opening repair fuse of semiconductor device
J Bae
US Patent 6,573,125, 2003
24*2003
mmWave phased array in mobile terminal for 5G mobile system with consideration of hand effect
K Zhao, J Helander, Z Ying, D Sjoberg, M Gustafsson, S He
2015 IEEE 81st Vehicular Technology Conference (VTC Spring), 1-4, 2015
232015
Characterization of millimeter wave phased array antennas in mobile terminal for 5G mobile system
J Helander, D Sjöberg, M Gustafsson, K Zhao, Z Ying
2015 IEEE International Symposium on Antennas and Propagation & USNC/URSI …, 2015
192015
A near-field measurement and calibration technique: Radio-frequency electromagnetic field exposure assessment of millimeter-wave 5G devices
J Lundgren, J Helander, M Gustafsson, D Sjoberg, B Xu, D Colombi
IEEE Antennas and Propagation Magazine 63 (3), 77-88, 2020
182020
Study of phased array in UE for 5G mm wave communication system with consideration of user body effect
Z Ying, K Zhao, T Bolin, J Helander, D Sjöberg, S He, A Scannavini, ...
2016 10th European Conference on Antennas and Propagation (EuCAP), 1-2, 2016
92016
Synthesis of large endfire antenna arrays using convex optimization
J Helander, D Tayli, D Sjöberg
IEEE Transactions on Antennas and Propagation 66 (2), 712-720, 2017
82017
Investigation of planar near-field measurement of millimeter-wave antenna for 5G application
B Xu, J Helander, A Ericsson, Z Ying, S He, M Gustafsson, D Sjöberg
2016 International Symposium on Antennas and Propagation (ISAP), 600-601, 2016
72016
Near-field measurement and calibration technique for RF EMF exposure assessment of mm-wave 5G devices
J Lundgren, J Helander, M Gustafsson, D Sjöberg, B Xu, D Colombi
IEEE Antennas Propag Mag, 2019
62019
A comparison of macro basis function methods for interconnected endfire antenna arrays
J Helander, D Tayli, D Sjöberg
IEEE Antennas and Wireless Propagation Letters 16, 2159-2162, 2017
62017
Multi-port element for grating lobe suppression in sparse VHF phased array radars
J Helander, D Tayli, D Sjöberg
IEEE Transactions on antennas and propagation 67 (10), 6667-6671, 2019
32019
Millimeter Wave Antenna Technology in Mobile Terminal and Station
J Helander
32014
On the issue of simulating very large endfire arrays with complex antenna geometries
J Helander, D Sjöberg, D Tayli
2016 URSI International Symposium on Electromagnetic Theory (EMTS), 737-740, 2016
22016
Reflection-based source inversion for sparse imaging of low-loss composite panels
J Helander, J Lundgren, D Sjöberg, C Larsson, T Martin, M Gustafsson
IEEE Transactions on Antennas and Propagation 68 (6), 4860-4870, 2020
12020
Millimeter Wave Imaging and Phased Array Antennas for 5G and Aerospace Applications
J Helander
Lund University, 2019
12019
Dual band multi-layer dipole antennas for wireless electronic devices
J Helander, Z Ying
US Patent 9,496,623, 2016
12016
60 GHz imaging of panels for defect detection using planar scanning
J Helander, A Ericsson, D Sjöberg, M Gustafsson, T Martin, C Larsson
2016 IEEE International Symposium on Antennas and Propagation (APSURSI …, 2016
12016
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