DocumentCode :
2886462
Title :
Integrated ultra-wideband/narrow band dielectric resonator antenna
Author :
Yongfeng Wang ; Gao Wei ; Qingsheng Zeng ; Denidni, Tayeb A.
Author_Institution :
Northwestern Polytech. Univ., Xi´an, China
fYear :
2013
fDate :
7-13 July 2013
Firstpage :
1692
Lastpage :
1693
Abstract :
An ultra-wideband (UWB) rectangular dielectric resonator antenna (DRA) integrated with a narrow-band (NB) DRA is presented. The proposed antenna consists of a UWB DRA excited by a planar monopole and a DRA excited by a slot which displays NB characteristic. The UWB and NB antenna provides a 2:1 voltage standing wave ratio (VSWR) bandwidth for 2.5 - 11 GHz and 5.1 - 5.5 GHz, respectively, with the same polarization and a reasonable isolation (better than -10 dB) between the two ports. Moreover, the NB antenna can operate in 6.8 - 7.3 GHz or 3.75 - 3.88 GHz by little modification. This is a promising candidate for applications of cognitive radio, where a UWB antenna is for spectrum sensing and a NB antenna for communication operation. To improve the isolation between the two ports, several arrangements are investigated.
Keywords :
dielectric resonator antennas; electromagnetic wave polarisation; monopole antennas; planar antennas; slot antennas; ultra wideband antennas; NB antenna; UWB DRA; UWB antenna; VSWR bandwidth; bandwidth 2.5 GHz to 11 GHz; bandwidth 3.75 GHz to 3.88 GHz; bandwidth 5.1 GHz to 5.5 GHz; bandwidth 6.8 GHz to 7.3 GHz; cognitive radio; communication operation; integrated ultrawideband-narrow band dielectric resonator antenna; narrowband DRA; planar monopole; polarization; slot antennas; spectrum sensing; ultrawideband rectangular dielectric resonator antenna; voltage standing wave ratio; Dielectric resonator antennas; Dielectrics; Niobium; Ultra wideband antennas;
fLanguage :
English
Publisher :
ieee
Conference_Titel :
Antennas and Propagation Society International Symposium (APSURSI), 2013 IEEE
Conference_Location :
Orlando, FL
ISSN :
1522-3965
Print_ISBN :
978-1-4673-5315-1
Type :
conf
DOI :
10.1109/APS.2013.6711505
Filename :
6711505
Link To Document :
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