Characterization of the 5.8 GHz V2I Radio Channel in an Underground Parking Garage
Open Access
- 1 January 2025
- conference paper
- Published by Sociedad Brasileira de Telecomunicacoes
Abstract
This study investigates radio signal propagation at 5.8 GHz in an underground parking garage for vehicle-to-infrastructure (V2I) communication, a widespread scenario present in urban centers. Broadband measurements were conducted using orthogonal frequencydivision multiplexing (OFDM), enabling the characterization of the radio channel in terms of path loss (PL) and temporal dispersion. The power delay profile (PDP) was obtained via inverse Fourier transform of the channel impulse response (CIR). Multipath components were identified and compared using the constant false alarm rate (CFAR) and singular spectrum analysis (SSA) techniques. The results showed that the SSA technique is effective for multipath component identification.Keywords
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