I am working on a metamaterial enabled antenna. The thickness altogether from the antenna element to the ground plane of metamaterial (this includes the gap between antenna and the metamaterial) is 12mm. If I go further to 14mm or even further, the bandwidth at lower frequencies have good results as per my design. But I am very worried if it is going to be very thick for wearable applications. Please guide if I should stick to 10-12 mm thickness altogether or can I go further to increase the thickness.
Ay help is really appreciated.
Meenakshi, what exactly is the target in wearable applications? Even 10-12mm sounds large. So it is more dependent on your target if 10-12mm is acceptable then 14-15 may also be okay provided your design and performance is worth it. Find out the optimum distance in terms of performance and also prepare a design with a compromise between the size and performance of your design.
It would be better if you compare the antenna requirements like thickness, size with the literature in transactions, letters or magazines. It will give you an idea.
For wearable applications, even 10-12 mm thickness seems to me too large. I suggest to look for another parameters to increase your bandwidth such as using different shapes of MTM or even the MTM geometrical parameters.
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