Single Layered 4×4 Butler Matrix Without Phase-Shifters and Crossovers

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, 6:77289-77298, 2018. [doi]

Abstract

Abstract is missing.