[PDF] Top 20 A Broadband Low Cross-Polarization U-Slot Patch Antenna Array Based on Differential Feed

... Microstrip patch antennas have become the favorite of antenna designers because of their versatility and advantages of planar profile, easy fabrication, compatibility with integrated circuit technology, and ... See full document

... proposed patch antenna element is shown in Fig. 1. The radiating patch embedded with two via holes is supported by two dielectric posts with a distance of ...The feed structure is composed of ... 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, ... See full document

... ◦ polarization can improve the system capacity and signal-to-noise ...wideband antenna covering the B2 band from ...integration. Patch antenna [1] and slot antenna [2] are easy ... See full document

... and low manufacturing cost [1, ...microstrip antenna arrays are used in order to overcome the aforementioned ...exhibit low efficiency (typically less than 50 percent) due to ohmic/dielectric losses ... See full document

... line feed technique, the inner conductor of the coaxial strip extends throughout the dielectric and is soldered to the radiating patch, while the outer conductor is coupled to the ground ...the ... See full document

... bandwidth antenna is very popular for high data rate wireless ...A slot antenna has the advantages of simple structure, low profile, light weight, easy impedance matching, broad bandwidth, and ... See full document

... in antenna theory [1], multiple-mode resonance (MMR) has been widely used in ultra-wideband (UWB) antenna ...high cross polarization, due to their 2D radiation structures [8, ...reported ... See full document

... design broadband and high gain antennas to cover a wide frequency ...size antenna, for recent wireless applications, is a major ...size, low-cost fabrication, low profile, conformability and ... See full document

... sizes, low profile, low cost and very broad bandwidths are ...printed antenna. A numerical technique which is also based on a particle swarm optimizer was employed for the synthesis of a pre- ... See full document

... on low-permit- tivity substrate ...the antenna system in [3], the ap- plication was limited to a one-dimensional array with no requirements for polarization ...then cross ... See full document

... polarized antenna array designs, sequentially feed array is very attractive, because it can obtain a wide axial ratio with a simple structure ...square-slot antenna array ... See full document

... desired Patch and Micro-strip line both are designed on the same Dielectric substrate FR4- Epoxy with relative permittivity ...radiating patch by using a Micro-strip ...between patch and strip line a ... See full document

... microstrip patch antenna array with fractal UC-EBG structure and u-slot is ...microstrip patch antenna and three cross slots is analyzed and the U-shaped ... See full document

... The optimized model radiation pattern is shown in Figure 9 and 10. We observe Omni directional radiation characteristics in the azimuth plane at initial frequency and a directive shaped radiation pattern in the E-Plane. ... See full document

... asymmetric U-slot patch antenna with low probe diameter is ...this antenna is keeping the bandwidth in 30% in spite of reduction in antenna size and use of low ... See full document

... Microstrip patch series-fed arrays have been widely applied to the radar and communication systems due to their low cost, light weight, good compactness, relatively higher antenna efficiency, and ... See full document

... the antenna: one is the fan-shaped feed line, and the other is three L-shaped ...fan-shaped feed line is optimized for good impedance ...on antenna performance, four antennas with or without ... See full document

... = 2.13 GHz with impedance Bandwidth equal to 50.7%, in the frequency range of 1.59 GHz to 2.67 GHz, at appropriate feed point location . Figure 2 show the variation of return loss with frequency for the proposed ... See full document

... on patch which increases the bandwidth and reduces the ...triangular patch [11] using this technique is shown in figure ...microstrip antenna can be perturbed such that their resonant frequencies are ... See full document