A mm-Wave Patch Antenna with Broad Bandwidth and a Wide Angular Range
60-GHz Circularly Polarized U-Slot Patch Antenna Array on LTCC
Circularly Polarized U-Slot Antenna
60-GHz Two-Dimensionally Scanning Array Employing Wideband Planar Switched Beam Network
A Low-Cost 60-GHz Switched-Beam Patch Antenna Array With Butler Matrix Network
A 60-GHz Active Receiving Switched-Beam Antenna Array With Integrated Butler Matrix and GaAs Amplifiers