DocumentCode :
2974033
Title :
A Two-Dimensional Beam Scanning Antenna Array Using Composite Right/Left Handed Microstrip Leaky-Wave Antennas
Author :
Lee, Dongkyu ; Lee, Sanghyo ; Cheon, Changyul ; Kwon, Youngwoo
Author_Institution :
Seoul Nat. Univ., Seoul
fYear :
2007
fDate :
3-8 June 2007
Firstpage :
1883
Lastpage :
1886
Abstract :
In this work, we demonstrated a novel 2-dimensional beam scanning antenna array at a fixed frequency. For a beam scanning in E-plane, a microstrip leaky wave antenna based on a composite right/left handed transmission line structure loading voltage-controlled tuning elements was designed. Measured results show a wide scanning range from -39deg to +60deg at 8.5 GHz. Also a Rotman lens was designed to give additional beam scanning capability in orthogonal direction. Combining these two 1-dimensional scanning methods, a 2-dimensional beam scanning antenna array was implemented on a single substrate in a planar form. Measured results show wide scanning ranges from -33deg to 45deg and -15deg to 15deg in E-plane and H-plane, respectively. To the best of our knowledge, this is the first demonstration of 2-dimensional beam scanning array using leaky wave antennas at a fixed frequency.
Keywords :
leaky wave antennas; microstrip antenna arrays; transmission lines; composite left handed transmission line; composite right handed transmission line; frequency 8.5 GHz; microstrip leaky wave antenna; two-dimensional beam scanning antenna array; voltage-controlled tuning elements; Antenna arrays; Antenna measurements; Frequency; Leaky wave antennas; Lenses; Microstrip antenna arrays; Microstrip antennas; Transmission line measurements; Tuning; Voltage; 2-dimensional; CRLH; Rotman lens; beam scanning; leaky wave antenna;
fLanguage :
English
Publisher :
ieee
Conference_Titel :
Microwave Symposium, 2007. IEEE/MTT-S International
Conference_Location :
Honolulu, HI
ISSN :
0149-645X
Print_ISBN :
1-4244-0688-9
Electronic_ISBN :
0149-645X
Type :
conf
DOI :
10.1109/MWSYM.2007.380139
Filename :
4264228
Link To Document :
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