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Article Dans Une Revue IEEE Transactions on Antennas and Propagation Année : 2019

Reconfigurable CTS Antenna Fully Integrated in PCB Technology for 5G Backhaul Applications

Résumé

We present the design and fabrication of a fully integrated continuous transverse stub (CTS)/pillbox antenna for 5G backhaul applications in the E-band. The antenna contains 16 radiating slots excited by a corporate feed network in the parallel-plate waveguide (PPW) technology. These slots are divided into two subarrays of eight slots, each one generating either a sum or a difference pattern along the E-plane. Two pillbox systems are used to feed the two subarrays, and therefore, the radiation patterns can be steered in the H-plane. Such a reconfigurability, both in the E- and H-planes, has not been reported with CTS antennas. Moreover, the recently introduced the substrate-integrated PPW (SI-PPW) technology is used in the printed circuit board technology for complete integration of the antenna module. The structure is thinner than 3 mm, and only low-cost standard fabrication processes are employed for the prototype. The measurement results are in good agreement with simulations. In the E-plane, the sum and difference patterns can cover an angular window of ±10°, and they can be steered in H-plane until ±14° in the complete E-band (71-86 GHz). Over this frequency band, the measured difference pattern exhibits a null depth below -23 dB. The gain remains stable over the band with a maximum of 17.5 dBi and a variation lower than 2.6 dB.
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hal-02135654 , version 1 (08-07-2019)

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Thomas Potelon, Mauro Ettorre, Laurent Le Coq, Terry Bateman, Jim Francey, et al.. Reconfigurable CTS Antenna Fully Integrated in PCB Technology for 5G Backhaul Applications. IEEE Transactions on Antennas and Propagation, 2019, 67 (6), pp.3609-3618. ⟨10.1109/TAP.2019.2902644⟩. ⟨hal-02135654⟩
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