@article{babale:hal-01987948,
TITLE = {Single Layered 4x4 Butler Matrix Without Phase-Shifters and Crossovers},
AUTHOR = {Babale, Suleiman Aliyu and Abdul Rahim, Sharul Kamal and Barro, Oumar Alassane and Himdi, Mohamed and Khalily, Mohsen},
URL = {https://univ-rennes.hal.science/hal-01987948},
JOURNAL = {IEEE Access},
PUBLISHER = {IEEE},
VOLUME = {6},
PAGES = {77289-77298},
YEAR = {2018},
DOI = {10.1109/ACCESS.2018.2881605},
KEYWORDS = {modified coupler and phase shifters ; Butler matrix ; Crossovers},
PDF = {https://univ-rennes.hal.science/hal-01987948/file/babale-2018-Single%20Layered4%C3%974Butler%20Matrix%20Without%20Phase-Shifters.pdf},
HAL_ID = {hal-01987948},
HAL_VERSION = {v1},
}