In this article, multi-band antenna covering LTE700/ GSM850/GSM900/DCS1800/PCS1900 for mobile terminal is presented. The proposed capacitive feeding antenna is a IFA type antenna and implemented as a PCB embedded antenna (PEA). Broad bandwidth in low-band is achieved using pattern overlapped capacitive feeding. Simulation is conducted to verify broad low-band and multi-band operation using HFSS and experimental results are also presented.ABSTRACT: In this article, a novel broadband circularly polarized (CP) slot antenna is proposed and fabricated, in which, a simple perturbation configuration with a narrow rectangular slot etched near the square slot is used for perfect CP operation. Through simulating and testing, the broad impedance bandwidth of 57.6% (VSWR < 2.0) and the 3-dB axial ratio bandwidth of 50.2% are achieved. This slot antenna will be widely used in communication field.
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