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Progress In Electromagnetics Research M
ISSN: 1937-8726
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VERY-LOW-PROFILE, DECOUPLED, HYBRID TWO-ANTENNA SYSTEM USING TOP-LOADED, COUPLED STRIP RESONATOR FOR NOTEBOOK COMPUTER APPLICATIONS

By W.-H. Chang and S.-W. Su

Full Article PDF (772 KB)

Abstract:
A very-low-profile, decoupled, hybrid two-antenna system top-loaded with a coupled strip resonator for isolation enhancement is demonstrated. Each hybrid antenna consists of one 2.4 GHz open slot and one 5 GHz monopole, formed on the two sides of the substrate. The two-antenna design is able to operate in the 2.4 GHz (2400-2484 MHz) and 5 GHz (5150-5825 MHz) wireless local area network (WLAN) bands and yet merely occupies a size of 5 mm × 40 mm (about 0.04λ × 0.32λ at 2.4 GHz). The loaded strip resonator is employed to reduce the mutual coupling in the 2.4 GHz band. With further capacitively grounding the decoupling strip using a grounded T strip, good isolation > 18 dB over the 5 GHz bands can also be achieved. Owing to its low profile of 5 mm, the proposed design can find some practical applications in the narrow-bezel notebook computers and is of the smallest footprint among those two 2.4/5 GHz antennas for notebook applications.

Citation:
W.-H. Chang and S.-W. Su, "Very-Low-Profile, Decoupled, Hybrid Two-Antenna System Using Top-Loaded, Coupled Strip Resonator for Notebook Computer Applications," Progress In Electromagnetics Research M, Vol. 84, 63-72, 2019.
doi:10.2528/PIERM19061003

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