Abstract
Basing on the operating wideband requirement for today's mobile communication environment, a new antenna named 'wide band circular dipole antenna', which has the advantages of wide band antenna, circular fractal antenna and cage dipole antenna, is designed. A sample of this antenna has been tested after simulation analysis. The result of simulation and test indicate that the antenna can fully covered the communication frequency of 1880-1920 MHz, 2010-2025 MHz of the third generation mobile communication TD-SCDMA system and also the communication frequency of 1710-1785MHz, 1880-1920MHz of the fourth mobile communication FDD-LTE system, in another hand, realize the compatibility of the third and the fourth generation mobile communication.
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