Reconfigurable slot antenna for cognitive radio applications

Frequency Reconfigurable Antennas Design for Cognitive ... Abstract. This paper proposes frequency reconfigurable antennas using genetic algorithm, suitable for cognitive radio applications. The optimization is applied to find the slot shape and the switches locations in the ground plane of monopole antennas for adjustment of the bandwidth.

A Rotatable Reconfigurable Antenna for Cognitive Radio ... it suitable for cognitive radio applications. A reconfigurable C-slot microstrip patch antenna is proposed in [4]. Reconfigurability is achieved by switching on and off two patches using PIN diodes. The antenna can operate in dual-band or in a very wide band mode. In this paper a new reconfigurable antenna design is presented. A Study of Reconfigurable Multiband Antenna for Wireless ... Frequency Reconfigurable Antenna for Cognitive Radio which is act as a fast switching antenna capable of operating in seven different frequencies in the range of 6.25 to 8.25 GHz[14]. Mohammad M. proposed a Reconfigurable Antenna with Extended U-Slot used as a Switchable Polarization for Wireless Applications. A Frequency Reconfigurable Rotatable Antenna Design for ... A Frequency Reconfigurable Rotatable Antenna Design for Cognitive Radio Systems G. Prema P. Gayatri ... A reconfigurable C-slot microstrip patch antenna is proposed in [4]. The antenna can operate in dual ... diodes which makes it less reliable for cognitive radio applications. Integration problems occur with both RF- Implementation of a Cognitive Radio Front-End Using ...

behaves as a communicating antenna for cognitive radio applications. The microstrip antenna with a switch in the slot structure makes the antenna reconfigurable. The simulation result shows that the sensing antenna works in the range of about 8 to 17 GHz while reconfigurable antenna shows frequency variation from 12.6 to 13.7 GHz and 14.1 to 15 ...

(2019) Towards software defined antenna for cognitive radio networks through appropriate selection of RF-switch using reconfigurable antenna array. AEU - International Journal of Electronics and Communications 102, 25-34. Online publication date: 1-Apr-2019. An Integrated Frequency Reconfigurable Antenna for ... 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 A Rotatable Reconfigurable Antenna for Cognitive Radio ... it suitable for cognitive radio applications. A reconfigurable C-slot microstrip patch antenna is proposed in [4]. Reconfigurability is achieved by switching on and off two patches using PIN diodes. The antenna can operate in dual-band or in a very wide band mode. In this paper a new reconfigurable antenna design is presented. A Study of Reconfigurable Multiband Antenna for Wireless ...

Design of Reconfigurable Band Notches Antenna for Cognitive Radio Applications

A Reconfigurable MIMO/UWB MIMO Antenna for Cognitive Radio Applications … How can the answer be improved? A Reconfigurable MIMO/UWB MIMO Antenna for Cognitive Radio … A new incorporated planar ultrawideband (UWB)/reconfigurable-slot antenna is proposed for cognitive radio applications. A slot resonator is precisely embedded in the disc monopole radiator to A Selective Frequency-Reconfigurable Antenna for Cognitive …

tation of a Cognitive Radio Front-End Using Rotatable Controlled Reconfigurable Antennas, IEEE Trans. Antennas Propag., vol. 59, no. 5, pp. 1773-1778, May 2012. [5] E. Erfani, J. Nourinia and C. Ghobadi, Design and Implementation of an Integrated UWB/Reconfigurable-Slot Antenna for Cognitive Radio

Abstract— Cognitive radio is an apparent technology for coherent use of the radio spectrum where, the spectrum can be used byIn this paper a reconfigurable micro strip patch antenna for possible applications in cognitive radio systems is presented. This work provides a methodology to design... Integrated Dual Port Ultra-Wide Band/ReconfigurableAntenna… An integrated Ultra-Wide Band (UWB)/ reconfigurable slot antenna is proposed for cognitive radio applications. The proposed antenna consists of an elliptical shape UWB disc monopole and a H-shaped slot resonator, which is precisely embedded in disc monopole. 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 are... Reconfigurable UWB Antenna for Cognitive Radio

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. UWB case is used for sensing the entire band and then adjusting its bandwidth to select the suitable sub-band and pre-filter out the other ones to ...

The antenna occupies a small volume of 70x54x1.6mm3. A 50-Ohm strip line was used to feed the proposed antennas. For miniaturization purposes, an I- shaped slot was inserted in the appropriate location on the radiator resulting in the second version (antenna with I-shaped slot). A Study of Reconfigurable Multiband Antenna for Wireless … Frequency Reconfigurable Antenna for Cognitive Radio which is act as a fast switching antenna capable of operating in seven different frequencies in the range of 6.25 to 8.25 GHz[14]. Mohammad M. proposed a Reconfigurable Antenna with Extended U-Slot used as a Switchable Polarization for Wireless Applications.

Cognitive Radio-related patent applications The cognitive radio antenna assembly includes two boards, a main board that has an ultra-wideband antenna (uwb) and also serves as a ground plane for the reconfigurable antenna, and an elevated mimo board having two planar inverted-f …