Performance analysis of triangular lattice planar array for MIMO system

Tong, Angkhana (2023) Performance analysis of triangular lattice planar array for MIMO system. Project Report. Universiti Teknikal Malaysia Melaka, Melaka, Malaysia. (Submitted)

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Abstract

Massive MIMO has been recognized as one of the most promising technologies to fulfil 5G network needs because it provides directive beams with extremely high antenna gains. To obtain better data rates or reliable links, antenna arrays with large number of elements have been used to provide high multiplexing gain with high directivity. However, increasing number of elements could lead to grating lobes or high lateral lobes inside the visible region as well as resulting in large surface size. Most of the designed array solutions for massive MIMO rely on square or rectangular array structures with a uniform lattice. Thus, this project aims to propose an irregular elements array by exploiting triangular lattice to overcome aforementioned drawbacks. Triangular lattice planar arrays will be modelled in multi-elements array arrangements in MATLAB to analyse the performance in terms of directivities, half power beam width (HPBW), gain and side lobes. Then, the results will be validated with CST (Computer simulation technology) simulation and comparison will be made with regular rectangular lattice. The purpose of this project is to assess the benefit of adopting a triangular lattice to improve overall performance of massive MIMO and will provide significant advantages with respect to the regular lattices.

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