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What is the most difficult antenna problem you had to deal with?

rscasny


Antennas are perhaps the most difficult thing of a wireless design.

The test equipment to measure signal and radiation costs a lot of money.

Even with simulations, you still need to measure, test and refine under realistic environmental conditions.

There is no such things as a one-size-for-all antenna.

There are short range and long range, internal and external, simple and complex antennas.

If you have designed antennas or wireless solutions, what was the most difficult thing you had to deal with. (If you have an antenna horror story, we think we'd all like to hear about it.)

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  • I have a masters in antenna design. I will list out all the difficulties I faced throughout my master's. I have designed around 5-6 different antennas all of them are reconfigurable. The first problem is to match the results of the simulated antenna and the fabricated antenna. Often due to the fabrication tolerances, the connectors, solder as well as material parameters (dielectric const), the experimental results of the antenna do not match the simulated one. Another problem that I faced was the reconfigurability, the reconfiguration in antennas is done by using an active element, such as an RF switch (pin diode, FET, etc). The RF switch needs to be properly modeled to get accurate results, as well as the biasing circuit, needs to be proper for the freq. of operation. These RF devices are often very expensive and difficult to procure. In the below image you can see all my published papers to date on antennas as we all FSS.
    image

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  • I have a masters in antenna design. I will list out all the difficulties I faced throughout my master's. I have designed around 5-6 different antennas all of them are reconfigurable. The first problem is to match the results of the simulated antenna and the fabricated antenna. Often due to the fabrication tolerances, the connectors, solder as well as material parameters (dielectric const), the experimental results of the antenna do not match the simulated one. Another problem that I faced was the reconfigurability, the reconfiguration in antennas is done by using an active element, such as an RF switch (pin diode, FET, etc). The RF switch needs to be properly modeled to get accurate results, as well as the biasing circuit, needs to be proper for the freq. of operation. These RF devices are often very expensive and difficult to procure. In the below image you can see all my published papers to date on antennas as we all FSS.
    image

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