Circularly Polarized Monopole Mobile Phone Antenna for Gnss Applications

Circular Polarization is a method in which the electric field of the passing wave does not change the strength but only changes direction in a rotary manner. Circular polarization may be referred to as right-handed or lefthanded, and clockwise or anti-clockwise, depending on the direction in which the electric field vector rotates. Circular polarization is often used erroneously to describe mixed polarity signals used mostly in where a vertical and a horizontal component are propagated simultaneously by a single or a combined array. This has the effect of producing greater penetration into buildings and difficult reception areas than a signal with just one plane of polarization. A Mobile Phone Antenna and Wireless Modem Antennas also known as cellular antenna has higher dB rating and produces more signal strength. These categories contain GSM antennas, 2G antennas, 3G antennas, 4G antennas and wireless modem antennas (wireless internet antennas or mobile broadband antennas for most applications. The third category contains a range of MIMO antennas which are designed specifically for 4G devices with two antenna ports and suit all carriers that offer a 4G service. MIMO antennas should be used where optimum 4G performance is required. The proposed Antenna generates a resonant frequency which provides a wide band. It also includes a strip with a tuning stub is matched in order to provide bandwidth which covers several applications such as GNSS, GLONASS, COMPASS etc