Abstract
This paper shows a frequency reconfigurable SIW F-slot suitable for some applications. Configurability is accomplished by embeddings PIN diode switches in the 'F' slot. The proposed antenna is equipped for exchanging between working band of 3.172 GHz to 3.606 GHz in four different narrow bands and it underpins the cognitive system for LTE2300, WiMAX and WLAN. For each case reflection coefficient is ascertained, it keeps up less than -10 dB all through the resonating frequency in all instances of diode switching. The electromagnetic energy is kept inside the cavity because of the frame of a metallic vias. In all instances of diodes exchanging, it's uncovered a decent effectiveness of efficiency and gain.
Highlights
Reconfigurable techniques are expected to meet the stringent prerequisite of current correspondence to contemporary wirless systems with high performance and conservative size
The ordinary slot antennas are being utilized for multiband applications yet the detriment of the customary slot antenna apparatuses is two-sided radiation design which settles on them a powerless decision for being utilized on an extra ground plane, such a Printed Circuit Board (PCB), or some other scrambling object
With the utilization of Substrate Integrated Waveguide (SIW) structures a similar radiation execution of conventional cavity slot antennas can be accomplished alongside the upsides of low profile, simplicity of creation and similarity with planar integration [6]-[8].The SIW innovation is proposed as an elective strategy to encourage the minimal effort usage of waveguide like parts utilizing a standard PCB innovation [9], [10]
Summary
Reconfigurable techniques are expected to meet the stringent prerequisite of current correspondence to contemporary wirless systems with high performance and conservative size This has prompted the advancement of complex executions tunable or reconfigurable single or multiband anenna apparatuses that are acknowledged by electric tuning or magnatic tuning [1], [2]. With the utilization of SIW structures a similar radiation execution of conventional cavity slot antennas can be accomplished alongside the upsides of low profile, simplicity of creation and similarity with planar integration [6]-[8].The SIW innovation is proposed as an elective strategy to encourage the minimal effort usage of waveguide like parts utilizing a standard PCB innovation [9], [10]
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