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Abstract:
Beamforming has emerged as a critical technology for 5G, SATCOM and 6G applications. In commercial 5G millimeter-wave frequencies (24, 28 and 29GHz) large-scale arrays of nearly 1000 elements are utilized on the infrastructure side to ensure robust links across reasonable cell sizes. SATCOM terminals exploit even larger arrays to achieve the required EIRP and G/T for multi-orbit operation across LEO MEO and GEO orbits. Managing these large-scale array implementations while keeping power consumption and cost in check requires co-optimization across system design array design and beam former design.
As we look towards the emerging bands of >100GHz in 6G, while beamforming will be a critical technology to these links, the choice of array architecture remains open. In this presentation, we will discuss research at Columbia University towards scalable 140GHz arrays in 45nm RF SOI technology with 512-elements and record EIRPs of >60dBm (1000x superior to the state of the art). We will also describe new architectures towards arrays at these frequencies based on reconfigurable surfaces, with an eye towards new functionalities such as multi-beam and MIMO capabilities.
(https://event.on24.com/wcc/r/5452343/6406BC4943DAFCEE3C934E8D97F1E4D7)
Speaker(s): Prof. Dr. Harish Krishnaswamy,
Agenda:
Pizza
Introduction of the Speaker
Talk
Q&A
Room: Grand/Large Conference Room, Bldg: Nashua Public Library, 2 Court Street, NASHUA, New Hampshire, United States, 03060, Virtual: https://events.vtools.ieee.org/m/571280
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