A 60 GHz 64-element phased-array beam-pointing communication system for 5G 100 meter links up to 2 Gbps

摘要

This paper presents a 60 GHz communication link system and measurements using a 64-element phased array transmitter. The transmit array includes high-efficiency on-wafer antennas, 3-bits amplitude and 5-bits phase control on each element, a measured saturated EIRP of 38 dBm at 60 GHz and scans to +/- 55° in the E- and H-planes with near-ideal patterns and low sidelobes. The phased-array transmitter is used in a 60 GHz communication link with an external up-conversion mixers and a Keysight 802.11ad waveform generator. A standard gain horn with a gain of 20 dB is used as the receiver, coupled to a Keysight high-speed digital demodulation scope. The communication link achieves a 16-QAM modulation with 3.85 Gbps at 4 m (full 802.11ad channel) and a QPSK modulation with 1.54 GBps over 100 m while scanning to +/-45° in both planes.