Quasi-optical beamforming techniques for millimeter-wave antenna systems in satellite and terrestrial communication networks

Recent developments in both terrestrial and non-terrestrial networks are focused on multiple beam and reconfigurable antenna systems as a mean to increase data rates and to provide more flexibility in resource allocation. Some synergies between space and terrestrial systems are emerging as the fifth generation (5G) of wireless systems introduce millimeter-wave frequencies for short range and indoor applications. This provides a unique opportunity for transfer of technology, as requirements for satcom user terminals and cell tower antennas present some similarities. While phased array antennas are getting a great deal of attention, their cost still remains high for mass market applications and alternative solutions based on simpler beamforming techniques are being considered. This talk will review well-known quasi-optical beamforming techniques and discuss their respective advantages and limitations. Recent developments, including practical demonstrations of novel lens concepts and the first in-orbit demonstration of reflectarray technology by a commercial equipment provider will also be presented. These antenna solutions, originally developed for space applications, may also find use cases in terrestrial networks.
Speaker(s): Dr. Nelson J. G. Fonseca,
Room: Room S10, Bldg: Theatre (Bldg 25), 16 Rainforest Walk, Monash University, Clayton, Victoria, Australia, 3168, Virtual: https://events.vtools.ieee.org/m/499421