Derives the positioning error bound using Fisher information for a multi-RIS mmWave MISO system and proposes Riemannian manifold optimization for continuous phase shifts and a grey wolf optimizer heuristic for discrete phase shifts to minimize the bound.
Intelligen t reflecting surface (IRS)-aided covert wireless communicat ions with delay constraint,
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Millimeter-Wave Position Sensing Using Reconfigurable Intelligent Surfaces: Positioning Error Bound and Phase Shift Configuration
Derives the positioning error bound using Fisher information for a multi-RIS mmWave MISO system and proposes Riemannian manifold optimization for continuous phase shifts and a grey wolf optimizer heuristic for discrete phase shifts to minimize the bound.