[journal]
J. Butler
/ 1961
/ Beamforming matrix simplifies design of electrically scanned antennas
/ Electronics Design
9
: 170~173
[journal]
J. H. Winter
/ 1998
/ Smart antennas for wireless systems
/ IEEE Personal Communications
1
: 23~27
[thesis]
G. A. Adamidis
/ 2002
/ Development of simple smart array systems
/ Aristotle University of Thessaloniki
[confproc]
I. Sfar
/ 2014
/ Design of a 4×4 butler matrix for beamforming antenna applications
/ Proceedings of 2014 Neduterranean Microwave Symposium (MMS2014)
: 1~4
[confproc]
M. M. Alam
/ 2009
/ Microstrip antenna array with four port butler matrix for switched beam base station application
/ ICCIT ’09 12 th International Conference on Computer and Informational Technology
[confproc]
H. Nachouane
/ 2014
/ Broadband 4×4 butler matrix using wideband 90° hybrid couplers and crossovers for beamforming networks
/ 2014 International Conference on Multimedia Computing and Systems (ICMCS)
: 1444~1448
[confproc]
S. Z. Ibrahim
/ 2009
/ Wideband butler matrix in microstrip-slot technology
/ Proceeding 2009 Asia Pacific Microwave Conference
: 2104~2107
[journal]
S. Karamzadeh
/ 2015
/ Compact and broadband 4⨉4 SIW butler matrix with phase and magnitude error reduction
/ IEEE Microwave Wireless Components Letters
25(12)
: 772~774
[journal]
A. A. M. Ali
/ 2011
/ Design and implementation of two-layer compact wideband butler matrices in SIW technology for Ku-band applications
/ IEEE Transactions on Antennas Propagation
59(2)
: 503~512
[journal]
T. Djerafi
/ 2012
/ A low-cost wideband 77-GHz planar butler matrix in SIW technology
/ IEEE Transactions on Antennas and Propagation
60(10)
: 4949~4954
[journal]
S. Karamzadeh
/ 2015
/ Compact and broadband 4⨉4 SIW butler matrix with phase and magnitude error reduction
/ IEEE Microwave Wireless Components Letters
25(12)
: 772~774
[confproc]
A. Talbi
/ 2013
/ A compact 4×4 butler matrix for UWB applications
/ Proc. 2013 IEEE Antennas and Propagation Society Int. Symposium(APSURSI)
: 1010~1011
[confproc]
G. Tudosie
/ 2006
/ A compact LTCC butler matrix realization for phased array applications
/ 2006 IEEE MTT-S International Microwave Symposium Digest
: 441~444
[confproc]
G. Tudosie
/ 2008
/ A novel modularized folded highly compact LTCC butler matrix
/ 2008 IEEE MTT-S International Microwave Symposium Digest
: 691~694
[journal]
M. Nedil
/ 2008
/ Novel butler matrix using CPW multilayer technology
/ IEEE Transaction on Microwave Theory and Techniques
54(1)
: 499~507
[confproc]
M. Nedil
/ 2014
/ Novel UWB CB-CPW butler matrix for wireless applications
/ Proc. 2014 IEEE Antennas and Propagation Society International Symposium(APSURSI)
: 1800~1801
[confproc]
Y. H. Lee
/ 2017
/ Analysis of slot-coupled microstrip components for wideband butler matrix
/ International Conference on ELectronics, Information, and Communication (ICEIC) 2017
S22
: 482~484
[confproc]
D. H. Lee
/ 2017
/ Broadband 44 butler matrix with multilayer slot-coupled microstrip transmission lines
/ International Conference on ELectronics, Information, and Communication (ICEIC) 2017
P01
: 638~641
