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|Title:||Integrated multibeam dual-polarised planar array|
|Authors:||Gao, S.-C. |
|Source:||Gao, S.-C.,Li, L.-W.,Leong, M.-S.,Yeo, T.-S. (2001-06). Integrated multibeam dual-polarised planar array. IEE Proceedings: Microwaves, Antennas and Propagation 148 (3) : 174-178. ScholarBank@NUS Repository. https://doi.org/10.1049/ip-map:20010497|
|Abstract:||A novel four-beam dual-polarised microstrip antenna array at the 10GHz band is presented. By using a multilayered structure and multiport slot-coupled microstrip lines, two Butler matrix microstrip circuits corresponding to two orthogonal polarisations can be located on different substrate layers (above and below the ground plane) and integrated with a patch array. The antenna has eight input ports corresponding to two orthogonal polarisations and four beams. The theoretical design is based on the finite-difference time-domain (FDTD) method. The measured return loss and isolation characteristics exceed 10 and 23dB, respectively, in the 9.7-10.3GHz band. The radiation pattern is close to an ideal Butler pattern and the cross-polarisation level is lower than -18dB in the beams. Details of the antenna and its characteristics are presented.|
|Source Title:||IEE Proceedings: Microwaves, Antennas and Propagation|
|Appears in Collections:||Staff Publications|
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