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- Title
Spectral Efficiency Improvement of 5G Massive MIMO Systems for High-Altitude Platform Stations by Using Triangular Lattice Arrays.
- Authors
Dicandia, Francesco Alessio; Genovesi, Simone; Piro, Giuseppe; Ojaroudi Parchin, Naser
- Abstract
The beneficial effects of adopting a triangular lattice on phased arrays with regular and periodic grids for high-altitude platform station (HAPS) systems are presented in the scenario of massive MIMO communications operating within the 5G NR n257 and n258 frequency bands. Assessment of a planar array with 64 elements (8 × 8) is provided for both a triangular lattice and a square one in terms of array gain, average sidelobe level (ASLL), and mutual coupling. Particular attention is devoted to illustrating the impact of the antenna array lattice at the system level by evaluating its significant merits, such as its spectral efficiency (SE) and signal-to-interference ratio (SIR). The better performance exhibited by the triangular lattice array in comparison to the square one makes it appealing for the 5G massive MIMO paradigm.
- Subjects
5G networks; PHASED array antennas; ANTENNA arrays
- Publication
Sensors (14248220), 2021, Vol 21, Issue 9, p3202
- ISSN
1424-8220
- Publication type
Article
- DOI
10.3390/s21093202