Theoretical Limitation of the Radiation Efficiency for Homogenous Electrically Small Antennas

@article{Fujita2015TheoreticalLO,
  title={Theoretical Limitation of the Radiation Efficiency for Homogenous Electrically Small Antennas},
  author={Keisuke Fujita and Hiroshi Shirai},
  journal={IEICE Transactions},
  year={2015},
  volume={98-C},
  pages={2-7}
}