Electrically Small Antenna With a Significantly Enhanced Gain-Bandwidth Product

Extremely electrically small antennas (XESAs) exhibit low gain performance, which seriously limits their applications in space-constrained wireless platforms. We report an active transmitting XESA whose gain-bandwidth product (GBWP) exceeds the passive Bode-Fano upper bound. It is realized by incorp...

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Veröffentlicht in:	IEEE transactions on antennas and propagation 2022-05, Vol.70 (5), p.3153-3162
Hauptverfasser:	Yu, Yaqing, Tang, Ming-Chun, Yi, Da, Hong, Dingmou, Shi, Ting, Ziolkowski, Richard W.
Format:	Artikel
Sprache:	eng
Schlagworte:	Active antennas amplifiers Antenna feeds Antenna measurements Antennas Bandwidths Effective isotropic radiated power (EIRP) electrically small antennas (ESAs) Equivalent circuits feedback Feedback loops Gain Impedance near-field resonant parasitic (NFRP) elements Operational amplifiers operational amplifiers (OpAmps) Parasitic elements (antennas) Real estate Resistors Upper bounds Wireless communication
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