Rectangular Dielectric Resonator Antenna (RDRA) for Wireless Applications

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Provided by: International Journal of Engineering, Science and Innovative Technology (IJESIT)
Topic: Networking
Format: PDF
In recent years, DRA (Dielectric Resonator Antenna) have more significant use in wireless applications. The DRA have many advantages, as this has no metal inclusion the ohmic losses which are high at higher frequencies, which are completely avoided in DRA. Number of different structures was analyzed like cylindrical, hemispherical and triangular. Every shape has its own characteristics and has its own advantages in terms of size and other dimensions. The use of high permittivity dielectric material as a radiation element provides advantages like very good radiation efficiency, low profile and temperature co-efficient, light weight etc. Different feeding mechanisms can be used for widening the bandwidth.
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