| Antenna plays an important role in the wireless commouncation system.In these years,as IT business developped,science and technology updated,poople get higher and higher performance requirements on the mobile,and small size,which mean mobile antenna meet miniaturization and muli-band requirements.Science people have done deep research and analyzation on the issue,especially on how to design miniaturization,multi-band and broad band equipment in these years.First introduce the history and status of mobile antenna,classical analytical methods of microstrip antenna and basic electrical patameters.I discussed the relationship between antenna structure and S parameter with HFSS.Designed PIFA antenna which meet multi-band,miniaturization on the basic of the conclusion.Because PIFA need large space,I designed IFA antenna on the basic of PIFA,which need little space ,also multi-band,miniaturization.The antennas I designed satisfied microstrip,miniaturization and multi-band.In the end of the article I made conclusions.Because of limited time and experience,the performance of the antenna can be better. |
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