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Disc-loaded monopole antenna array for switched beam control

Disc-loaded monopole antenna array for switched beam control

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Switched beam control is demonstrated using a disc-loaded monopole antenna on a finite ground plane with four parasitic elements. The beam direction can be switched by open circuiting one of the parasites. The array antenna gives a gain of 5.1 dBi at 2.45 GHz, which is more than three times that of a single element. The input return loss bandwidth is 24% and the radiated beam is elevated above the ground plane by about 500. The measured results show good agreement with simulations.


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      • M.R. Kamarudin . Antennas for on-body communication systems. IEEE International Workshop on Antenna Technology: Small Antennas and Novel Materials , 17 - 20
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    4. 4)
      • Hall, P.S.: `Measurement of on body propagation channels', IEEE Antenna and Propagation Int. Symp., June 2002, p. 310–313.

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