Reflector design to mitigate finger effect on 60 GHz user devices

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review


Research units


In this paper, we propose a novel method to mitigate the strong shadowing effect a nearby finger has on the antenna of a handheld communications device operating at 60 GHz, by introducing reflectors on the device. When the finger is located at the distance of 3 mm of the antenna, it causes strong shadowing and the far-field radiation attenuation behind the finger is 25-34 dB. In this paper, we show that a parabolic reflector 'collar' that is placed around the antenna array can significantly reduce the shadowing in the far-field. With the collar, the far-field radiation behind the finger is improved by 19-25 dB, making the array usable even when covered by a finger. The effect of reflector size and location is studied.


Original languageEnglish
Title of host publication2017 11th European Conference on Antennas and Propagation, EUCAP 2017
Publication statusPublished - 15 May 2017
MoE publication typeA4 Article in a conference publication
EventEuropean Conference on Antennas and Propagation - Paris, France
Duration: 19 Mar 201724 Mar 2017
Conference number: 11

Publication series

NameProceedings of the European Conference on Antennas and Propagation
ISSN (Print)2164-3342


ConferenceEuropean Conference on Antennas and Propagation
Abbreviated titleEuCAP
Internet address

    Research areas

  • 60 GHz, 802.11ad, finger loading, human shadowing, Millimeter waves, mmWave

ID: 14467677