This geometry can offer certain characteristics that can't be achieve by planner antenna. Antenna is design to function in 2.4 GHz wireless radio band. This work present performance of 4-element conformal antenna array for cylindrical surface and observe effect of mutual coupling between patch. In this, angle is preserved to conform the shape to reduce extra drag. The radius of cylinder is considered to be atleast one quarter wavelength or slightly more. The simulated results shows its resonant frequency is not affected with change in curvature however the radiation patterns are significantly affected more in elevation direction and less in azimuth. Simulations has been carried on CST software.
In the present scenario, cellular service provider facing bandwidth shortage in conventional cellular system, and delivering high quality, low latency video and multimedia applications using 3G system which is on ground .The 4 th Generation cellular networks are expected to be implemented in next few years. Here, we present the motivational approach for millimeter wave mobile communication antenna for nextgeneration micro-and Pico-cellular wireless Networks (5 th generation). The Millimeter Wave mobile communication works on 28 GHz and 38GHz frequency by employing steerable directional antennas (high dimensional antenna array) at base stations and mobile devices [1]. This paper describes a future antenna for 5G mobile communication. This antenna consists of two rectangular patch elements using a single layer RT/Duroid 5880 substrate with transformer coupled impedance matching network, which provides high gain of 9.0583dB and efficiency 83.308%. This antenna has good performance in terms of antenna gain, directivity, return losses, VSWR, Characteristics impedance, Band width and efficiency at the centre frequency 38GHz.
This paper compares the different parameters for differently configured single substrate circular patch and double substrate square patch microstrip antenna. The proposed antenna 1 is fed by proximity coupled feed whereas the proposed antenna 2 is single fed to excite the antenna. Copper clad substrate is used in this design. The circular polarization is achieved by the proposed antennas without 90° hybrid coupler. The proposed antennas are applicable for L and S band applications (1.26GHz and 2.56/2.65 GHz respectively). The gain of both of the antenna are approximately same. This comparison will provide the technique for miniaturization using single substrate.
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