Reduced sidelobe four-beam antenna array fed by modified Butler matrix

Electronics Letters

Volumn 42, Issue 9, 2006, Pages 508-509

  Wincza, K ^a   Gruszczynski, S ^a   Sachse, K ^a  

^a WROCLAW UNIVERSITY OF TECHNOLOGY   (Poland)

Author keywords

[No Author keywords available]

Indexed keywords

ELECTRIC CONNECTORS; ELECTRIC EXCITATION; MATRIX ALGEBRA; ROTATION; SWITCHING;

ANTENNA ELEMENT ROTATION; BUTLER MATRIX; FEEDING NETWORK; FOUR-BEAM ANTENNA ARRAYS;

ANTENNA ARRAYS;

EID: 33646404906     PISSN: 00135194     EISSN: None     Source Type: Journal    
DOI: 10.1049/el:20060313     Document Type: Article

References (7)

1. Wincza, K., and Gruszczynski, S.: ' A broadband 4×4 Butler matrix for modern-day antennas ', Proc. 35th European Microwave Conf., Paris, France, October 2005, p. 1331-1334
2. Butler, J., and Lowe, R.: ' Beamforming matrix simplifies design of electronically scanned antennas ', Electron. Des., 1961, 9, p. 170-173
3. Li, W.R., Chu, C.Y., Lin, K.H., and Chang, S.F.: ' Switched-beam antenna based on modified Butler matrix with low sidelobe level ', Electron. Lett., 2004, 40, (5), p. 290-292
4. Fragola, A., Orefice, M., and Pirola, M.: ' A modified Butler matrix for tapered excitation of scanned arrays ', Antennas and Propagation Society Int. Symp., July 2001, 4, p. 784-787
5. Dufort, E.C.: ' Optimum low sidelobe high crossover multiple beam antennas ', IEEE Trans. Antennas Propag., 1985, AP-33, p. 946-954
6. Shelton, J.P.: ' Reduced sidelobes for Butler-matrix-fed linear arrays ', IEEE Trans. Antennas Propag., 1969, 17, (5), p. 645-647
7. Sachse, K., and Sawicki, A.: ' Quasi-ideal multilayer two- and three-strip directional couplers for monolithic and hybrid MICs ', IEEE Trans. Microw. Theory Tech., 1999, 47, p. 1873-1882