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Integrated Antennas for Millimetre-Wave Asset Tracking
A soft board-board millimetre wave subarrayed Van Atta antenna has been designed fabricated and measured for asset tracking applications
at 62GHz. Soft-board, 254 µm thickness and 2.19 relative permittivity, single and array patch antennas were designed and
characterised. The elements and arrays are designed to be connected via microstrip to WR-15 waveguide transitions. Measurements
of insertion loss for the transition have been performed and the transition used to allow patch array and subarray absolute
gain values to be computed. The performance of the Van Atta Array is also given and peculiarities of its performance at mm-wave
frequencies described. The characteristics of a millimetre wave integrated Silicon antenna are discussed also. The frequencies
chosen for this work are 62.5 and 65.5 GHz. These are transmit and receive frequencies allocated for broadband mobile wireless applications.
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