An antenna array refers to a group of multiple antennas working together as a team. It enables better and more efficient communication by improving the receiving and transmitting capabilities of the antennas. Full definition
To overcome these challenges, CReSIS used a sensitive radar instrument with a large antenna array and used several processing techniques to remove interference and build a view of sub-ice bedrock. (sciencedaily.com)
Mid-Infrared and Far - Infrared Optics and Optoelectronic Devices, Active Plasmonics and Metamaterials with Gain Media, Reconfigurable Metainterfaces Based on Phased Optical Antenna Arrays, Mid-Infrared and Terahertz Quantum Cascade Lasers, Semiconductor Quantum Wells and Superlattices with Largely Tunable Optical Properties, Infrared Imaging and Spectroscopy, Nanophotonics, Graphene Optoelectronic Devices (engineering.columbia.edu)
It's also got a newly designed antenna array which allows it to keep the signal strong to keep buffering to an absolute minimum. (t3.com)