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Small‐size printed loop antenna for penta‐band thin‐profile mobile phone application
Author(s) -
Wong KinLu,
Chen WeiYu
Publication year - 2009
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.24359
Subject(s) - umts frequency bands , mobile phone , antenna (radio) , electrical engineering , printed circuit board , engineering , specific absorption rate , microwave , loop antenna , planar , electronic engineering , telecommunications , omnidirectional antenna , computer science , coaxial antenna , computer graphics (images)
A planar printed loop antenna with a small area of 15 × 50 mm 2 and capable of covering all five operating bands of GSM850/900/1800/1900/UMTS for WWAN (wireless wide area network) operation in the thin‐profile mobile phone is presented. The antenna is very suitable to be directly printed on the system circuit board of the mobile phone, making it easy to fabricate at low cost and generally showing no thickness above the circuit board; the latter is very attractive for thin‐profile mobile phone applications. In addition, the proposed loop antenna is very suitable to be printed at the bottom position of the mobile phone; in this case the antenna meets the SAR (specific absorption rate) limit for practical applications. © 2009 Wiley Periodicals, Inc. Microwave Opt Technol Lett 51: 1512–1517, 2009; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.24359