Impedance Loaded Omni-Directional Left-Handed Loop Antenna

An omni-directional left-handed loop antenna was proposed by Iizuka and Hall in [1].  The antenna consists of wires and LC lumped elements to load the wires appropriately.  Figure 1 shows the geometry of this antenna.

antenna

Figure 1: Configuration of antenna

The loop antenna was simulatd with LC loads placed as indicated to compute the S-parameters for the antenna.  Figure 2 draws a comparison between the published and computed results for S-parameters.

S-parameter comparison

Figure 2: S-parameter comparison

reflection coefficient

References

[1] H. Iizuka, P.S. Hall, “Omnidirectional Left-Handed Loop Antenna,” IEEE Antennes and Propagation Society International Symposium, July 2006.

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