[PDF] Top 20 Switchable and tunable multiband slot dipole antenna

... the switchable multiband ...proposed antenna in this research is designed capable to operate in seven different modes, which are three single-band, three dual-band and/or one triple­ band of ... See full document

... printed antenna with both tunable and switchable band-notched behaviors has been realized by etching a resonant slot loaded with a varactor and a PIN ...the antenna presents an ... See full document

... resonant frequency of 3.5 GHz using the equations available in the literature for the design of rectangular microstrip antenna on the substrate area A × B [21]. CRMSA consists of a radiating patch of length L and ... See full document

... reconfigurable antenna with narrowband to narrowband ...reconfigurable multiband antennas have received good attention [5- ...structured dipole to keep the size of the antenna small, in ... See full document

... The basic geometry of the proposed antenna is shown in Fig. 1, and (a) shows the front view while (b) shows the side view. In this paper, a 0.8 mm thick FR4 substrate of relative permittivity 4.4 and loss tangent ... See full document

... π-shaped slot in the structure, but the advantage is the compact ...the antenna [17]. In electromagnetic scattering environment, antenna must have freedom to suppress the selected ...proposed ... See full document

... achieve multiband and miniaturization[1-2]. Therefore, asymmetric CPW-fed antenna are used to improve the ...the multiband and miniaturization, many technologies have been studied, such as coupling ... See full document

... achieve multiband performances with very low profile of approximately 3 mm above the circuit board, simple techniques, such as bending the monopole, are applied [1, ...the antenna are also employed into the ... See full document

... patch antenna can have any shape. Microstrip slot/travelling antenna is mostly rectangular or circular ...Printed dipole antenna have triangular and rectangular ...in antenna ... See full document

... for multiband antenna is increasing day by ...inverted-F antenna has been presented in [2] with the gain of 5 dBi and bandwidth of ...stacked slot loaded rectangular microstrip antennas ... See full document

... inverted-F antenna employing a tunable ground slot has been ...ground slot, it has been demonstrated that the antenna can excite new resonant frequencies at each of its four switching ... See full document

... bow-tie slot antenna fed by a CPW for WLAN and WiMAX applications has been designed, fabricated, and tested with satisfactory ...proposed antenna can offer triple-band operation at ...the ... See full document

... UWB antenna with band-notch ...UWB antenna with band-notch characteristics has been achieved by introducing parasitic elements ...the antenna is fabricated, the center frequency of notch band is ... See full document

... A multiband U-slot patch antenna, with linear polarization, is designed for WiMAX and WLAN ...The antenna is designed with coaxial feeding technique and the overall dimension is around 50X50 ... See full document

... Band antenna is resonating at eleven frequencies and has better gain and return ...The antenna proposed particularly radiates at ...that antenna has high gain of 11.11 dB at 3.2 GHz. The proposed ... See full document

... proposed antenna has a defective ground structure (DGS) to improve the performance of the ...rectangular slot to enable multi frequency band operation. This antenna is designed on FR4 substrate with ... See full document

... gasket slot the number of multiband increased and value of return loss decreased and due to irregularities at ground, the current distribution at ground is not to be regular though this return loss of the ... See full document

... written multiband antenna with parasitic-element design for multi-standard hand-held terminals in mobile communications is ...projected antenna performs 3 resonance modes covering six bands of ... See full document

... depicted. The simulation was carried out using the commercial finite element method solver HFSS (high frequency structural simulator). With reference to the simulated result, the antenna is resonant at 2.6 GHz and ... See full document

... low-profile antenna is proposed in this letter for realizing dual polarizations with omnidirectional radiation ...ring slot antenna, and horizontal polarization is obtained by a modified printed arc ... See full document