[PDF] Top 20 New Design of Compact Shorted Annular Stacked Patch Antenna for Global Navigation Satellite System Application

... Nowadays, Global Navigation Satellite System (GNSS) is used ...Microstrip patch antennas [2, 3, 15–19] are often used in the applications needing circular polarization because they ... See full document

... Global navigation satellite systems (GNSS) receivers must operate efficiently under all environments to ensure robust and accurate acquisition of position, velocity and time (PVT) for aviation, ... See full document

... simple, compact and durable devices reaches on peak. The conventional satellite antennas consist bulky size and complex designing so that it looks difficult to apply them for mobile and small ...small ... See full document

... an annular slot patch [7], two radiating polygon loops [8], concentric annular-ring patch [9], dual-feed configuration and 90 ◦ phase shifter feed network [10], incorporating a ... See full document

... of global navigation satellite system (GNSS), the requests for multi-system navigation ability ...this application, antennas should be wideband, with stable gain ... See full document

... Abstract—A compact shorted annular patch antenna for global positioning system is presented in this ...two stacked shorted annular patches ...the ... See full document

... integrated. antenna is a desirable feature of multifunction antennas used in mobile communication ...(Microstrip Patch Antenna) has a radiating PEC materialistic sheet called patch on one side ... See full document

... loaded patch antenna with shorting wall is ...the antenna significantly depend on slot and notch ...proposed antenna is found to be 21.59%. The 3 dB beamwidth of the antenna is found to ... See full document

... novel design for a wideband integrated photovoltaic (PV) solar cell patch antenna for 5 GHz Wi-Fi communication is presented and ...The design consists of a slot loaded patch ... See full document

... According to Pozar, the various bandwidth-enhancement techniques can be categorized into three broad approaches: impedance matching; the use of multiple resonances; and the use of lossy materials. It has been decided to ... See full document

... Figure(3) shows the return loss, VSWR and real/imaginary impedance respectively with and without short stub in ring slot. Observed the bandwidth enhancement after put the short stub at the ring slot, and all parameters ... See full document

... as global positioning system (GPS), radio frequency identification (RFID) with the advantages of low profile and good characteristics ...microstrip antenna has an advantage of greater flexibility in ... See full document

... a design and analysis of simple line fed micro strip patch antenna for global WLAN applications has been ...proposed antenna was designed to operate at ... See full document

... primary system in which the position of fixed GNSS receiver known as base station is determined to a high degree of ...residual satellite clocks ...in satellite ephemeris and clock ...called ... See full document

... For the rice transplanter in this research, it features six transplanting units in 300 mm spacing and a minimum turning radius of 1500 mm. And in consideration that the slip rate is considerably large in paddy fields, ... See full document

... Figure 8 shows the effect of ground plane size L on the antenna gain. As shown, L highly affects the gain of L2 band but not L1. More specifically, the L2 gain increases from 0.35 to 2.85 dB as L extends from 65 mm ... See full document

... MIMO antenna, different techniques have been ...circular annular ring patch antenna, use of taped feedline, controlling the gap between the patch and ground (Gg and Rc ...proposed ... See full document

... of patch antennas is their narrow bandwidth due to surface wave losses, lower gain, low cross polarization and large size of patch for better performance and also narrow scanning range, and due to these ... See full document

... [2] The control segment consists of worldwide monitor and control stations that maintain the satellites in their proper orbits through occasional command maneuvers, and adjust the satellite clocks. It tracks the ... See full document

... largest navigation system, and other three are the United States Global Positioning System (GPS), the Russian “GLONASS” system, the European “Galileo” system, which are more ... See full document