Four-element planar Butler matrix using half-wavelength open stubs

IEEE Microwave and Wireless Components Letters

Volumn 12, Issue 3, 2002, Pages 73-75

  Hayashi, Hitoshi ^a,b,c   Hitko, Donald A ^a,b   Sodini, Charles G ^a,b  

^a IEEE   (Japan)

^b MASSACHUSETTS INSTITUTE OF TECHNOLOGY   (United States)

^c NTT Corporation   (Japan)

Author keywords

Butler matrix; Microwave circuits; Open stubs

Indexed keywords

BUTLER MATRIX;

ELECTRIC IMPEDANCE; FREQUENCIES; MICROWAVE CIRCUITS; MOBILE TELECOMMUNICATION SYSTEMS; PHASE SHIFTERS; SATELLITE COMMUNICATION SYSTEMS;

MICROWAVE ANTENNAS;

EID: 0036493702     PISSN: 15311309     EISSN: None     Source Type: Journal    
DOI: 10.1109/7260.989855     Document Type: Article

References (8)

1. An adaptive multiple beam system concept
2. Adaptive base station antennas for mobile communication systems
3. Beam forming matrix simplifies design of electronically scanned antennas
4. New indoor high-speed radio communication system
5. A planar sector antenna for indoor high-speed wireless communication terminals
6. A new class of broad-band microwave 90-degree phase shifters
7. An octave-band switched-line microstrip 3-b diode phase shifter
8. Miniaturized 45° power divider using three-dimensional MMIC technology