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A compact multiband printed antenna for smart‐phone applications
Author(s) -
Ding HongZe,
Jiao YongChang,
Ni Tao
Publication year - 2015
Publication title -
microwave and optical technology letters
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.304
H-Index - 76
eISSN - 1098-2760
pISSN - 0895-2477
DOI - 10.1002/mop.29309
Subject(s) - umts frequency bands , return loss , monopole antenna , electrical engineering , antenna (radio) , planar , omnidirectional antenna , antenna efficiency , mobile phone , engineering , electronic engineering , computer science , materials science , telecommunications , computer graphics (images)
A multiband coupled‐fed printed antenna with compact branch structure for 4G mobile phone is proposed in this letter. The antenna has a planar structure with a small board space of 15 × 29 mm 2 . A driven monopole strip and a coupled branch‐strip are developed on different sides of a thin FR4 substrate to produce different operation bands. The antenna can operate in octa‐bands, including GSM850, GSM900, DCS1800, PCS1900, UMTS, LTE2300, LTE2500, and WLAN, with the return losses more than 6 dB. A prototype of the proposed antenna is fabricated, and its measured results including return losses, efficiencies, and gains are presented. © 2015 Wiley Periodicals, Inc. Microwave Opt Technol Lett 57:2289–2294, 2015
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