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Two‐Patch‐PIFA System with Comparable Polarization Radiation for Tablet‐Computer Applications with Complete, Metal Back Cover
Author(s) -
Su SaouWen
Publication year - 2013
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.27996
Subject(s) - patch antenna , planar , cover (algebra) , microwave , engineering , electrical engineering , antenna (radio) , microstrip antenna , physics , materials science , acoustics , telecommunications , computer science , mechanical engineering , computer graphics (images)
A two‐patch‐planar inverted‐F antenna (PIFA) system well suited to functioning inside the tablet computer with a complete, metal back cover for 2.4‐GHz wireless local area network operation is proposed. The antenna was constructed by stamping a flat plate of size 23 × 30 mm 2 and bent two times to form a compact structure with dimensions 5 × 9 × 30 mm 3 . The PIFA was fed and short‐circuited at the top patch above the antenna ground with a vertical ground wall connecting therebetween. The two PIFAs were symmetrically located on the metal cover and grounded therein. The results showed that comparable E θ and E φ fields of the antennas were obtained for the tablet computer used in the three major positions, namely landscape, portrait, and bottom‐down modes. The correlation and the diversity gain of the two‐PIFA system were also measured. The operating principle and details of the design prototypes are described and discussed in the article. © 2013 Wiley Periodicals, Inc. Microwave Opt Technol Lett 55:2815–2821, 2013

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