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Electrically small metamaterial-based antennas are discussed from theindustrial point of view using mobile phones as the application example. Itappears, that despite the interesting theoretical findings, the commercialacceptability of these antennas is low. Some of the issues possibly leading tothis situation are addressed. Discussion topics range from challengingapplication environment, through the response of finite-size composite-materialsamples, all the way to the required constructive criticism and acknowledgementof prior art. Selected issues are discussed in more details, and proposals howto possibly improve the commercial acceptability of metamaterial-based antennasare made.

Electrically small metamaterial-based antennas - have we seen any real practical benefits?