[PDF] Top 20 Compact Dual-Band Circularly Polarized Patch Antenna with Wide 3-dB Axial Ratio Beamwidth for BeiDou Applications

... Abstract—A dual-band circularly polarized (CP) patch antenna with wide 3-dB axial ratio beamwidth (ARBW) is presented for BeiDou ... See full document

... Circularly polarized printed slot antennas are widely used in satellite communication and recent wireless communication application due to their advantages such as large impedance bandwidth, low profiles ... See full document

... microstrip antenna that performs tri-band CP radiation. Such antenna can be actualized using single feed [2] or dual feeds ...CP antenna is simple in structure and easy to fabricate, ... See full document

... broadband circularly polarized (CP) crossed dipole antenna with wide axial ratio (AR) ...The antenna consists of a crossed dipole fed by two baluns, a wideband feed ... See full document

... wideband circularly polarized antenna with wide half power beamwidth (HPBW) and 3 dB axial-ratio beamwidth (ARBW) is proposed in this ...The ... See full document

... Microstrip patch antennas have been widely used in circular polarization applications due to many attractive features, such as low profile, light weight, easy fabrication and so ...of ... See full document

... and axial ratio agree with the measured ...10 dB — return loss with 3 dB — axial ratio in the L1 band are ...L2 band are ...Figures 3(a) and (b) show ... See full document

... CP band and has wideband behavior, the number of required layers can be ...integrating dual-feed patch antennas with a branch line coupler in a multilayer structure, the dual CP characteristic ... See full document

... [1-3]. Beidou Satellite Navigation System is the third mature navigation system developed by our ...of dual-band or multi-band antenna for satellite navigation systems has become ... See full document

... the 3 dB AR beamwidth of basic CP ...broaden 3 dB AR beamwidth, which are laid on the upper and lower layers, respectively, exhibiting a 3 dB AR beamwidth ... See full document

... Abstract—A dual-band circularly polarized antenna is presented in this ...rectangular patch antenna with gap-feeding structure is firstly designed, and 3-dB ... See full document

... wideband circularly polarized resonant cavity antenna ...The antenna structure consists of dual-layer Jerusalem cross type partially reflective surface (PRS) above a two-port wideband ... See full document

... Recently, circularly polarised (CP) antennas have been widely used in many wireless applications, such as global positioning systems (GPS), compass navigation satellite system (CNSS) and wireless local area ... See full document

... a compact wideband circularly polarized (CP) crossed-dipole antenna with wide half-power beamwidth (HPBW) and broad 3 dB axial ratio beamwidth ... See full document

... WLAN applications, IEEE ...design compact, low cost, multiband and broadband antennas ...of dual-band patch antenna have been demonstrated in recent years, and printed monopole ... See full document

... Presently, GPS is fully operational and meets the criteria established in the 1960s for an optimum positioning system. The system provides accurate, continuous, world-wide, three dimensional position and velocity ... See full document

... the circularly polarized (CP) antennas have received considerable attentions in wireless communication systems owing to their advantages of reduction in multi-path reflections and flexibility in orientation ... See full document

... proposed antenna is shown in Figure ...The antenna is composed of a radiating patch with a ring slot, two substrates with an air layer sandwiched between them, a metal ground and a capacitive ... See full document

... GPS antenna. The original GPS antenna considered has the advantages of a simple design, low cost, and being directly integrated with the associated circuit ...original antenna can withstand a ground ... See full document

... 2, 3 and 4 shows the simulated result of the antenna which are in good ...proposed antenna offers -14 dB, -10.76 dB, -20.02 dB and ...-17.81 dB reflection loss ... See full document