Fig 1.
Geometry of the (a) patch antenna (b) MSR structure and (c) MSR loaded patch antenna.
Table 1.
Parametric values of the proposed MSR embedded multiband antenna as depicted in Fig 1.
Fig 2.
Effect of inserting different numbers of slots on the radiating patch.
Fig 3.
Response of different feeding techniques on the S-parameter, S11.
Fig 4.
Effect of the dimension of ground plane on the S-parameter, S11.
Fig 5.
The retrieved constitutive parameters, (a) effective permittivity (εeff) and (b) effective permeability (μeff) of the proposed MSR structure.
Fig 6.
Effect of the distance of separation between the conventional microstrip patch antenna and MSR structure.
Fig 7.
Photograph of the fabricated prototype (a) microstrip patch antenna, (b) MSR structure and (c) patch antenna with MSR.
Fig 8.
The measured and simulated S-parameter, S11 of the antenna (with and without MSR integration).
Fig 9.
Measured gain of the proposed antenna with and without MSR structure.
Fig 10.
The simulated radiation pattern of the proposed antenna without and with MSR structure at three different resonant frequencies.
Fig 11.
The measured radiation pattern of the proposed antenna without and with MSR structure at three different resonant frequencies.
Fig 12.
Smith chart of the proposed MSR loaded microstrip patch antenna.