COMPACT SIZE RECTANGULAR PATCH RECONFIGURABLE ANTENNA FOR ... Compact Size Rectangular Patch Reconfigurable Antenna for Cognitive Radio Applications 26 As shown in the Fig. 4, we are getting a return loss of -20.3dB and -26.76dB res. at 4.3GHz and 7.8GHz res. when only S1,S2 are ON i.e. the wide band mode. E. Impedance plot and Radiation patterns: Fig. 5. Impedance plot of the proposed antenna Integrated Cognitive Radio Antenna Using Reconfigurable ... reconfigurable antenna for cognitive radio communication. In [1], the authors present a reconfigurable antenna based on photoconductive switches. An UWB antenna is also incorporated for channel sensing. A reconfigurable slot antenna for cognitive radio applications is presented in [2]. A New Reconfigurable Antenna Design for Cognitive Radio ...
A CPW-Fed Circular Wide-Slot UWB Antenna with Wide Tunable and ...
Electronically Reconfigurable Uniplanar Antenna With Polarization … Electronically Reconfigurable Uniplanar Antenna With Polarization Diversity for Cognitive Radio Applications Abstract: A uniplanar, polarization diversity antenna with wideband/narrowband (WB/NB) switching capability is presented. The design utilizes an open annular slot with an orthogonal feeding mechanism to achieve polarization diversity (PDF) A Selective Frequency-Reconfigurable Antenna for Cognitive … PDF | This letter presents a selective frequency-reconfigurable antenna, suitable for cognitive radio applications. The proposed antenna is capable of switching between a wide operating band of 2 Frequency Reconfigurable Microstrip Antenna for Cognitive … reconfigurable antenna, suitable for cognitive radio applications. Reconfigurability is achieved by inserting PIN diode switches in DMS(defected microstrip structure) ‘T’ slot filter. The proposed antenna is capable of switching between a wide operating band of 3.0 GHz – 10 GHz and six different narrow band operating from 5 GHz to 10 GHz.
A quad-polarization and frequency reconfigurable square ring slot loaded microstrip patch antenna for WLAN applications ... systems like cognitive radio, software ...
Design of Reconfigurable Band Notches Antenna for ... In this paper, an antenna with reconfigurable band notches, for cognitive radio applications, is proposed. The antenna can be operated as ultra wideband and is reconfigurable in terms of the , ability to select a notched band in the SRR resonant frequency. The reconfigurable band notches Multifunctional Antennas for Cognitive Radio Applications
Frequency Reconfigurable Microstrip Antenna for Cognitive …
A compact wide-slot UWB antenna with reconfigurable and sharp ...
It means a reconfigurable antenna demonstrates multi-functionality [1]. There are many applications like cognitive radio which demands a... An UWB antenna is also incorporated for channel sensing. A reconfigurable slot antenna for cognitive radio applications is presented in [2]. ...
DESIGN OF RECONFIGURABLE ANNULAR SLOT ANTENNA (ASA) FOR ... DESIGN OF RECONFIGURABLE ANNULAR SLOT ANTENNA (ASA) FOR WIRELESS COMMUNICATIONS / WLAN APPLICATIONS A Thesis Presented to The Academic Faculty by Symeon Nikolaou In Partial Fulfillment of the Requirements for the Degree MASTERS OF SCIENCE IN ELECTRICAL AND COMPUTER ENGINEERING Georgia Institute of Technology December, 2005 An Integrated Frequency Reconfigurable Antenna for Cognitive ... 748 S. SHARMA, C. C. TRIPATHI, AN INTEGRATED FREQUENCY RECONFIGURABLE ANTENNA FOR COGNITIVE RADIO … in UWB monopole without much affecting the S11 re-sponse, than this space can be reused to integrate another NB antenna. Therefore, in configuration-II a very thin slit is etched in the UWB antenna, which separates the region
Reconfigurable antenna for cognitive radio application using slot and ... This paper presents an analysis of frequency reconfigurable micro strip patch antennas for multi-band, multimode wireless communication systems, incorporat. Compact Reconfigurable UWB Slot Antenna for Cognitive Radio ...