Suleiman Aliyu Babale, Sharul Kamal Abdul Rahim, Oumar Alassane Barro, Mohamed Himdi, Mohsen Khalily. Single Layered 4×4 Butler Matrix Without Phase-Shifters and Crossovers.
IEEE Access, IEEE, 2018, 6, pp.77289-77298.
⟨10.1109/ACCESS.2018.2881605⟩.
⟨hal-01987948⟩