Kouassi, A.Nguyen Trong, N.Kaufmann, T.Lallechere, S.Bonnet, P.Fumeaux, C.2017-03-262017-03-262016IEEE Transactions on Antennas and Propagation, 2016; 64(2):450-4600018-926X1558-2221http://hdl.handle.net/2440/104016A framework for optimization of wideband antennas including statistical reliability considerations is proposed. Using predetermined tolerances of the manufacturing process, the reliability analysis provides a failure probability of the considered antenna according to imposed specifications. In addition, a sensitivity analysis is conducted in order to quantify the relative weight of the antenna’s parameters on the variability of |S₁₁|. On this basis, a reliability-aware definition of optimization parameters can be derived to minimize failure probability during fabrication. For demonstration, a particular type of antenna, namely the tapered half-mode substrate-integrated waveguide (HMSIW) leaky-wave antenna, is chosen for the reliability analysis and optimization. This antenna is optimized for operation in the band from 7 to 14 GHz (with specification |S₁₁| < −10 dB) with a calculated failure probability of less than 1%. A fabrication of the designed prototype yields measurements showing a strict adherence to specifications, which exemplifies the relevance of the statistical analysis. The study can be generalized to any wideband antenna provided that a fast computation of cost function can be obtained.en© 2015 IEEE. Personal use is permitted, but republication/redistribution requires IEEE permission. See http://www.ieee.org/publications_standards/publications/rights/index.html for more information.Failure probability; half-mode substrate-integrated waveguide (HMSIW); leaky-wave antennas; reliability analysis; sensitivity analysis; wideband antennaJournal article003004132910.1109/TAP.2015.25084820003707633000062-s2.0-84962501705226776Nguyen Trong, N. [0000-0002-7776-3394]Fumeaux, C. [0000-0001-6831-7213]