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dual frequency band operation

Investigations for Performance Improvement of X-Shaped Rmsa Using Artificial Neural Network by Predicting Slot Size

Investigations for Performance Improvement of X-Shaped Rmsa Using Artificial Neural Network by Predicting Slot Size

... single, dual, multiband frequency operations ...for dual and multiband operation, it has attracted most of the researchers since single antenna can be used for more than two ...achieving ...

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FSS with Inbuilt Triangular Slots for Dual Band Operation

FSS with Inbuilt Triangular Slots for Dual Band Operation

... Fig. 4 shows the simulated current densities on the FSS when no slot is drawn. Very high current density is observed. As shown in Fig. 5 the surface current density is reasonably high on the outer vertices of the inner ...

5

U-slot Loaded Rectangular Patch Antenna for Dual Band Operation-

U-slot Loaded Rectangular Patch Antenna for Dual Band Operation-

... with frequency and the effect of the different physical parameters on the return loss S 11 , the resonant frequencies and the band widths of the proposed U-shaped slod loaded rectangular patch ...

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Design and Analysis of Double U Slot Loaded Dual Frequency Microstrip Antenna

Design and Analysis of Double U Slot Loaded Dual Frequency Microstrip Antenna

... “Small circularly polarized U-slot wideband patch antenna,” IEEE Antennas and Wireless Propagation Letters, Vol. 10, 87–90, 2011. 8. Mishra, A., P. Singh, N. P. Yadav, J. A. Ansari, and B. R. Vishvakarama, “Compact ...

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Compact Shorted Microstrip Patch Antenna for Dual Band Operation

Compact Shorted Microstrip Patch Antenna for Dual Band Operation

... of frequency ratio (f 2 /f 1 ) with notch depth is given in ...the frequency ratio (f 2 /f 1 ) for a given value of notch width (W n ), while the variation of frequency ratio decrease sharply with ...

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Compact CPW-Fed Square Slot Antenna for Dual-Band Operation

Compact CPW-Fed Square Slot Antenna for Dual-Band Operation

... good dual-band operation performance, but also simple structure and compact ...resonant frequency can be tuned independently and good impedance match can be ...

9

Antenna with Hexa-Band Capabilities for Multiple Wireless Applications

Antenna with Hexa-Band Capabilities for Multiple Wireless Applications

... In this paper, hexa-band antenna is proposed with very small frequency ratio. Design procedure is presented for achieving single to six bands step by step. Characteristics of proposed hexa-band ...

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Analysis of Rectangular Notch Antenna for Dual Band Operation

Analysis of Rectangular Notch Antenna for Dual Band Operation

... with frequency for differ- ent notch length for a given width are shown in Figures 4(a) to 4(d) It is observed that the value of VSWR cor- responding to lower resonance frequency is decreased from ...

6

Design & Implementation of Dual Band Power Dividers

Design & Implementation of Dual Band Power Dividers

... of dual band components such as antennas, filters, and transformers is the research ...for dual-frequency ...planar Dual-band 3-Way Wilkinson Power Dividers, 2 sections of ...

6

Slot Loaded Compact Microstrip Patch Antenna for Dual Band Operation

Slot Loaded Compact Microstrip Patch Antenna for Dual Band Operation

... compact dual-band microstrip patch antenna with two unequal rectangular slots on the patch and a slot on the ...resonating frequency, and defected ground structure has given a proper impedance ...

12

Dual frequency X band reflect array antenna using dual gap

Dual frequency X band reflect array antenna using dual gap

... introducing dual frequency antenna using single element. With dual frequency operation, the size and cost of antenna can be ...that, dual frequency antenna is suitable for ...

7

H
- Shaped Stacked Patch Antenna for Dual Band Operation

H - Shaped Stacked Patch Antenna for Dual Band Operation

... Radiation pattern of the antenna is shown in Fig. 9 for both upper and lower resonance. It is found that radiated power at upper resonance frequency is higher by 0.73 dBand beam width is lower (64 ◦ ) as compared ...

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Dual-Band Circularly Polarized Microstrip Antenna with Small Frequency Ratio

Dual-Band Circularly Polarized Microstrip Antenna with Small Frequency Ratio

... performances dual-band CP antenna with small frequency ratio, a novel design of single-feed dual-band circularly polarized patch antenna surrounded by an annular-ring is ...CP ...

8

Dual band microstrip loop antenna for wireless application

Dual band microstrip loop antenna for wireless application

... The worldwide growth of personal wireless communication devices has been tremendous. One of the trends in wireless mobile technology in the last decade has been to dramatically decrease the size and the weight of the ...

42

A Dual Band Frequency and Pattern Reconfigurable Dielectric Resonator Antenna

A Dual Band Frequency and Pattern Reconfigurable Dielectric Resonator Antenna

... This configuration is a replica of the previous configuration. The shorting pin state of first DR is OFF, and second DR is ON. The frequency of operation remains same at 5.25 GHz. But, the main lobe is ...

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U-slot Loaded Rectangular Patch Antenna for Dual Band Operation-

U-slot Loaded Rectangular Patch Antenna for Dual Band Operation-

... It is a mobile satellite system which provides a communication medium in areas where terrestrial coverage is not available. S- DMB is suitable where terrestrial networks have not been deployed. SDMB provides a high data ...

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A Dual-Band Slot-Embedded Microstrip Antenna for Dual-Polarization Operation

A Dual-Band Slot-Embedded Microstrip Antenna for Dual-Polarization Operation

... single band with CP ...as dual-band antennas because the loaded pair of slots introduces another higher order resonant frequency and modifies the current distribution on the band to ...

9

WIDE BAND DUAL FREQUENCY CIRCULAR SLOT ANTEENA WITH RECTANGULAR STUB AT X AND KU BAND

WIDE BAND DUAL FREQUENCY CIRCULAR SLOT ANTEENA WITH RECTANGULAR STUB AT X AND KU BAND

... 2. Dual frequency microstrip antenna becoming very popular day by day for its various applications ...of dual frequency microstrip antenna, like use of different structures in same microstrip ...

6

CPW-Fed UWB Compact Antenna for Multiband Applications

CPW-Fed UWB Compact Antenna for Multiband Applications

... the dual-band antenna the gain is ...resonance frequency occurs at 2.57 GHz, the lowest frequency of operation of the dual/triple-band antenna is considerably reduced by ...

10

A Stacked Microstrip Patch Antenna with Fractal Shaped Defects

A Stacked Microstrip Patch Antenna with Fractal Shaped Defects

... patch is etched on the bottom side of the upper substrate. The size of the substrate used is 6 cm by 6 cm. The size of the bottom patch is pl × pw = 29.1 × 18.584 mm, and size of the top patch is pl2 × pw2 = 40.1 × 23.12 ...

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