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A dual-port conformal diversity patch antenna with different radiation characteristics has been presented. By making use of hybrid feeds, the conical TM01 mode and the broadside TM11 mode of the antenna could be excited at the same frequencies. With this feeding scheme, both pattern and polarization diversities can be exploited and high isolation (<;-55dB) between the two ports can be achieved...
In order to meet the specifications of wideband and compact, a polarization reconfigurable slot antenna fed by CPW is proposed in this paper. Unlike the former designs, the switchable polarizations in slot can be excited by a single CPW structure. Compact feed is realized by switching the two orthogonal modes in CPW. The antenna is simulated to validate the structure. Obtained results show bandwidths...
This paper presents a novel design of compact dual-polarized antenna incorporating an aperture-coupled annular ring patch antenna for left-handed circular polarization (LHCP) as well as a disk-loaded monopole vertical polarized (VP) antenna. Both antennas operate in the same frequency range from 2.320GHz to 2.345GHz, while CP antenna reveals good broadside radiation patterns and the VP antenna shows...
In order to design wideband pattern reconfigurable antenna, a compact switchable CPW-to-slotline transition feed structure is proposed in this paper. In the slotline feed, one slot of CPW is used as feed line, and the other slot serves as open stub for matching. No other structure is involved for the transition from CPW to slotline. Base on the switchable feed structure, one CPW mode and two slot...
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