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Microstrip patch antenna with defected ground structure & defected microstrip structure
2008 Edition, November 1, 2008 - IEEE - Institute of Electrical and Electronics Engineers, Inc.

In this paper we propose the antenna geometry to design a very compact microstrip patch antenna using thin dielectric substrate having low dielectric constant. This antenna provide better efficiency, better band-width without any enhancement in the weight, volume...

Dual of Defected Ground Structure for Coplanar Stripline
Volume PP - IEEE - Institute of Electrical and Electronics Engineers, Inc.

Defected ground structures (DGS) have been used with microstrip and coplanar waveguide (CPW), but until now no comparable structure has been demonstrated for coplanar stripline (CPS), probably because there is no ``ground plane.'' This letter...

Simultaneous Compensation of Microstrip Feed and Patch by Defected Ground Structure for Reduced Cross-Polarized Radiation
Volume PP - IEEE - Institute of Electrical and Electronics Engineers, Inc.

This communication proposes a new idea of compensating spurious radiations usually occurring from the sharp transitions at patch to feed and feed to impedance transformer junctions which result in added cross-polarized (XP) fields in planar microstrip-fed patches. A strategic...

A Simple Wideband Magneto-Electric Dipole Antenna with A Defected Ground Structure
Volume PP - IEEE - Institute of Electrical and Electronics Engineers, Inc.

A simple wideband magneto-electric dipole antenna with a defected ground structure is proposed and investigated. The dimensions of the pair of the quarter-wavelength patch antennas and the half-wavelength electric dipole antennas are changed...

Compact Absorptive Filtering Patch Antenna
Volume PP - IEEE - Institute of Electrical and Electronics Engineers, Inc.

A compact absorptive filtering patch antenna is presented. It consists of a filtering patch antenna and a bandstop filter (BSF), with their transfer functions being complementary to each other. A slot is fabricated in each of the patch and ground,...

Defected Ground Structure with Half-wavelength Spiral Resonator of Ultrawide Band Chipless RFID Tag
Volume PP - IEEE - Institute of Electrical and Electronics Engineers, Inc.

In this paper, a 2-bit unit chipless radio frequency identification (RFID) tag architecture is proposed through using both the defected ground structure (DGS) and the half-wavelength spiral resonator together. This tag structure with the size of 60 × 40 mm²...

A Dual-Band Frequency Reconfigurable MIMO Patch-Slot Antenna Based on Reconfigurable Microstrip Feedline
Volume PP - IEEE - Institute of Electrical and Electronics Engineers, Inc.

In this paper, a novel microstrip feedline based dual-band frequency reconfigurable multiple-input multiple-output (MIMO) patch-slot antenna design is presented. The antenna has a planar structure and comprises of four symmetrically placed rectangular patch...

S-Band Compact Microstrip Full Duplex Tx/Rx Patch Antenna with High Isolation
Volume PP - IEEE - Institute of Electrical and Electronics Engineers, Inc.

In this paper, a new design for two-port transmit/ receive full-duplex microstrip patch antenna for 4G and 4G advanced communication systems is introduced. The proposed duplex antenna consists of a single gear-shaped radiating patch for bidirectional radiation....

Flexible Design Method for Microstrip Bandstop, Highpass and Bandpass Filters Using Similar Defected Ground Structures
Volume PP - IEEE - Institute of Electrical and Electronics Engineers, Inc.

It is well known that the typical lowpass characteristics can be obtained by a cascaded structure of alternating high- and low-impedance transmission-line (TL) segments. On the contrary, this paper focus on modifying this stepped impedance TLs to obtain the bandstop, highpass and bandpass...

DGS Integrated Air Loaded Wideband Microstrip Antenna for X and Ku Band
Volume PP - IEEE - Institute of Electrical and Electronics Engineers, Inc.

Over the past few years, there has been a huge demand to design a simple printed antenna for high speed multimedia communication with low cost, compact size, wideband, and low co-polarization (CP) to cross-polarization (XP) isolation levels. In this work, a simple and completely...

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