High-Resolution Delay Spread of Wide-Band Wireless Link in Long Tunnels—Theory and Experimental Verification

Yehuda Taragin, Liat Rapaport, Niv Elkayamn, Gad A. Pinhasi, Yosef Pinhasi

פרסום מחקרי: פרסום בכתב עתמאמרביקורת עמיתים

1 ציטוט ‏(Scopus)

תקציר

The need for wireless communication appears everywhere, and with as few interruptions as possible. An extensive and in-depth study has been conducted on the limitations of wireless communication in pedestrian tunnels. Using an analytical mathematical ray tracing model, and performing tunnel measurements, with an autonomous measuring setup, the model was validated. An extraordinary wide band was used for the experiments, which also featured optical systems to ensure accurate results. Since the tunnel is narrow, the differences between the different paths are small, and in order to distinguish them a resolution of 0.2 ns was used. The RMS delay spread, (Formula presented.), decreases throughout the tunnel, and at no point exceeds 1 ns.

שפה מקוריתאנגלית
מספר המאמר2140
כתב עתElectronics (Switzerland)
כרך11
מספר גיליון14
מזהי עצם דיגיטלי (DOIs)
סטטוס פרסוםפורסם - יולי 2022

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