OFC22 – 2x5beam

Radio Beamsteering for a 2×5 Remote Radio Head Assisted by a Shared Wideband Etalon Cascade

OFC 2022, San Diego, USA, Mar. 2022, W4C.4


Aina Val Martí, David Löschenbrand, Thomas Zemen, and Bernhard Schrenk


We demonstrate RF beamsteering through cascaded Gires-Tournois etalons, yielding a delay-tailored DWDM feed for a 2×5 antenna configuration. 64-QAM OFDM radio is transmitted under 32° beam deflection. We further show kHz carrier phase switching.

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