Design and Implementation of a Novel 4x4 Butler Matrix For a 5G
The paper proposes a four-directional beamforming switched antenna system based on Butler matrix for 28 GHz mmWave. It is made up of a 90-degree coupler, a crossover, and a 45
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Design and Implementation of a Novel 4x4 Butler Matrix For a 5G Base
Abstract: The paper suggests a four-switching beam directional antenna array system based on a novel butler matrix for 5G base station application at 28 GHz.A comprises a 90o hybrid coupler, a single
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