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Design Study of Normal Mode Helical Antenna with Dual-Frequency and Circular Polarization Used in Mobile | ||
| Journal of Engineering and Sustainable Development | ||
| Article 1, Volume 17, Issue 3, 2013, Pages 79-93 | ||
| Author | ||
| Sadiq Kadem Ahmed | ||
| Abstract | ||
| In this paper, a compact and low profile internal normal mode helical antenna with dual-frequencies and circular polarization has been proposed. The proposed antenna shows a wider operating bandwidth and it easy to cover the GSM band(890-960 MHz) for wireless communication dual mode operation of a mobile handset phone. This paper is contained four different designs for normal mode helical antenna , each design operates at dual- frequency band and circular polarization . The analysis of normal mode helical antenna is achieved at GSM band, and the MATLAB program is used for the design simulation. | ||
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