Sidelobe Minimisation in Integer-Positioned Sparse Antenna Arrays

– Modern array signal processing applications place great demands on the underlying antenna array geometry to deliver high performance. This paper discusses a computational solution to an integer multicriteria optimisation (MO) problem that arises in a certain class of nonuniform linear array (NLA) design. “Fully augmentable” arrays have a full and complete set of covariance lag differences; within the class of fully augmentable geometries, we seek an -sensor layout that yields the smallest sidelobes in the array beam pattern, possibly only within a particular angular range. The proposed method permits near-optimal minimisation in a feasible amount of computer time. Key-Words: – Antenna arrays, sparse array geometry, integer optimisation, sidelobe minimisation.