This letter presents two ultra-wideband (UWB) antennas with 3.4/5.5 GHz dual-notched hands. The U- and V-slots are used to reject the frequency band (3.3-4.2 GHz) limited by C-band satellite communication and Wimax systems. Another rejection bond (5.15-5.825 GHz), limited by IEEE 802.11b or HIPERLAN12 system, is obtained by using the U/V-slot defected ground structure. Experimental results indicate that these antennas cover the entire UWB for voltage standing wave radio <2, except two notched hands. Moreover, these antennas have omnidirectional radiation patterns in the H-plane (aid good gain flatness. (C) 2009 Wiley Periodicals, Inc. Microwave Opt Technol Lett 51: 2942-2945, 2009: Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.24792
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Tsinghua Univ, Dept Elect Engn, State Key Lab Microwave & Digital Commun, Beijing 100084, Peoples R ChinaTsinghua Univ, Dept Elect Engn, State Key Lab Microwave & Digital Commun, Beijing 100084, Peoples R China
Qiu, JM
Du, ZW
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Tsinghua Univ, Dept Elect Engn, State Key Lab Microwave & Digital Commun, Beijing 100084, Peoples R ChinaTsinghua Univ, Dept Elect Engn, State Key Lab Microwave & Digital Commun, Beijing 100084, Peoples R China
Du, ZW
Lu, JH
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Tsinghua Univ, Dept Elect Engn, State Key Lab Microwave & Digital Commun, Beijing 100084, Peoples R ChinaTsinghua Univ, Dept Elect Engn, State Key Lab Microwave & Digital Commun, Beijing 100084, Peoples R China
Lu, JH
Gong, K
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Tsinghua Univ, Dept Elect Engn, State Key Lab Microwave & Digital Commun, Beijing 100084, Peoples R ChinaTsinghua Univ, Dept Elect Engn, State Key Lab Microwave & Digital Commun, Beijing 100084, Peoples R China
机构:
Tsinghua Univ, Dept Elect Engn, State Key Lab Microwave & Digital Commun, Beijing 100084, Peoples R ChinaTsinghua Univ, Dept Elect Engn, State Key Lab Microwave & Digital Commun, Beijing 100084, Peoples R China
Qiu, JM
Du, ZW
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机构:
Tsinghua Univ, Dept Elect Engn, State Key Lab Microwave & Digital Commun, Beijing 100084, Peoples R ChinaTsinghua Univ, Dept Elect Engn, State Key Lab Microwave & Digital Commun, Beijing 100084, Peoples R China
Du, ZW
Lu, JH
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Tsinghua Univ, Dept Elect Engn, State Key Lab Microwave & Digital Commun, Beijing 100084, Peoples R ChinaTsinghua Univ, Dept Elect Engn, State Key Lab Microwave & Digital Commun, Beijing 100084, Peoples R China
Lu, JH
Gong, K
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Tsinghua Univ, Dept Elect Engn, State Key Lab Microwave & Digital Commun, Beijing 100084, Peoples R ChinaTsinghua Univ, Dept Elect Engn, State Key Lab Microwave & Digital Commun, Beijing 100084, Peoples R China