This paper explains the designing of patch antenna in shape circular ring which operates at 2.5 GHz for X band applications. Considering microstrip line feed technique has been designed with defected ground structure. It analyzed keeping view if its required characteristics, have found agreement standard parameters. dual property so it can be use 10.1 and 11 GHz. The is onto a substrate FR-4 Ep...

A compact cross, circular and square shaped slotted microstrip patch antennas are designed for circularly polarized (CP) radiation. The designed antenna is fabricated on RO4003C substrate and measured using Agilent network analyzer. The simulated return loss of this proposed antenna is less than -16dB at 920MHz with a bandwidth of 3MHz which is most suitable for RFID application. The circular p...

This paper proposes a microstrip patch antenna (MSPA) in the Ku band for satellite applications. The is small size with dimensions of about 40 mm×48 mm×1.59 mm and fed coaxial cable 50 Ω impedance. proposed has wide bandwidth 3.03 GHz ranging from 12.8 to 15.8 GHz. To realize characteristics wideband techniques defective ground structure (DGS) etching slots on radiating element are adopted. mod...

Since the FCC has announced to allow the unlicensed use of the industrial, scientific, and medical (ISM) frequency band by any potential users, wireless communications community has provided enormous opportunities for driving many wireless systems that can be communicated over short distances. For example, some practical applications are operated at the internationally available unlicensed ISM ...