Nationaluniversity of Ireland, Maynooth

Socowave Technologies Limited

Gerard Baldwin

Ronan Farrell

Timothy S Cooper

Roman Farrell

An antenna array comprises a surface comprising a replicated pattern of conductive tracks, the tracks defining a plurality of ports. A plurality of antennae are located at ports distributed about the surface. A plurality of radiative transceivers are electrically connected to a respective antenna. A plurality of reference transceivers are electrically connected to a non-radiative impedance located at a respective port so that each reference transceiver is surrounded by a group of antennae and electrically coupled to the group of antennae by the tracks. At least one antenna from at least one group of antennae belongs to one other group of antennae. Calibration circuitry includes a controller associated with each reference transceiver, each controller being arranged to transmit a calibration signal through an associated reference transceiver and to receive and store a received calibration signal from a selected transceiver for the group of antennae coupled to the reference transceiver. Each controller is further arranged to receive and store a calibration signal from the selected transceiver for the group of antennae coupled to the reference transceiver. The calibration circuitry further includes for each other transceiver for the group of antenna, circuitry for adjusting the phase and amplitude of signals transmitted and received by the radiative transceivers relative to the stored calibration signals for the selected radiative transceiver.

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Dublin, Ireland

Gerard Baldwin