New millimeter-wave transceiver doubles spectrum efficiency, eliminates self-interference

A newly developed architecture for full-duplex wireless transceivers solves the long-standing problem of self-interference, as reported by researchers from Science Tokyo. They implemented an innovative switching strategy that isolates self-interference in the time domain by alternating transmission and reception faster than the wireless signal period, enabling effective simultaneous transmission and reception. Experiments using 400-MHz-wide millimeter-wave signals (5G-compatible) highlight the technology’s potential for future Beyond 5G/6G infrastructure, including extended reality systems and smart factories.

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