Abstract
A new configuration of multiband/ultra-wide-band (UWB) antenna is investigated. The antenna is a V-shaped patch with unequal arms coupled electromagnetically to single feed isosceles triangular PIFA thorough two unequal slots. The six multiband operations are achieved due to the different lengths and widths of the V-shaped patch as well as the two coupling slots. Two more modes can be added by loading the triangular planar inverted F-antenna (PIFA) with V-shaped slot. Wide bandwidth of 27% is achieved by simply adjusting the feeding point position, thus generating staggered resonating modes. UWB operation with 53% bandwidth can be achieved by folding the shorting wall of the triangular PIFA.
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