A 28 GHz prototype shows a single RF chain with per-antenna time delays can form frequency-dependent beams and serve four users simultaneously, with simulations projecting near-doubled uplink coverage.
Six key challenges for beam management in 5.5G and 6G systems,
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Beamforming with Joint Phase and Time Array: System Design, Prototyping and Performance
A 28 GHz prototype shows a single RF chain with per-antenna time delays can form frequency-dependent beams and serve four users simultaneously, with simulations projecting near-doubled uplink coverage.