FEASIBILITY STUDY OF ANTENNA INTEGRATED CAPACITIVE SENSOR IN OPERATIONAL MOBILE PHONE | Zendy

Sami Myllymäki | Zendy; Arttu Huttunen | Zendy; Vamsi Krishna Palukuru | Zendy; Heli Jantunen | Zendy; Markus Berg | Zendy; E. Salonen | Zendy

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FEASIBILITY STUDY OF ANTENNA INTEGRATED CAPACITIVE SENSOR IN OPERATIONAL MOBILE PHONE

Author(s) -

Sami Myllymäki,

Arttu Huttunen,

Vamsi Krishna Palukuru,

Heli Jantunen,

Markus Berg,

E. Salonen

Publication year - 2011

Publication title -

progress in electromagnetics research c

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.341

H-Index - 34

ISSN - 1937-8718

DOI - 10.2528/pierc11070605

Subject(s) - capacitive sensing , mobile phone , antenna (radio) , electrical engineering , phone , computer science , engineering , embedded system , telecommunications , linguistics , philosophy

An antenna integrated sensor implementation for hand or flnger proximity recognition is developed. Capacitive sensor was installed on the antenna of functional Nokia 6021 phone. The sensitivity of the phone with planar inverted F antenna (PIFA) integrated sensor was measured with active TRP (total radiated power) and TIS (total isotropic sensitivity) measurements. Phone active measurements were performed with/without data cables and compared to reference phones. Passive cable phone measurements were compared with active measurement results. TRP results had no signiflcant decrements due to integration compared with the reference phone. Some TIS channels sufiered from detrimental efiects due to interfering signals, which were measured with a spectrum analyzer.

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