Very near ground radio frequency propagation measurements and analysis for military applications

Ray A. Foran, Thad B. Welch, Michael J. Walker

Research output: Contribution to conferencePaperpeer-review

44 Scopus citations

Abstract

We analyze, using a 2-ray model, the effects associated with placing a man-portable radio transceiver very near the ground (3-28 cm). A significant decrease in signal strength occurs when a soldier drops from the crouched position to the prone position. As much as a 16.8 dB decrease in signal strength was observed. This effect is more pronounced at short ranges, even without obstructions in the signal path. The Rician k factor generally decreases as antenna height is lowered. The assumed 2-ray propagation model is only appropriate when the Rician k factor is much greater than zero.

Original languageEnglish
Pages336-340
Number of pages5
StatePublished - 1999
EventIEEE Military Communications Conference (MILCOM 1999) - Atlantic City, NJ, USA
Duration: 31 Oct 19993 Nov 1999

Conference

ConferenceIEEE Military Communications Conference (MILCOM 1999)
CityAtlantic City, NJ, USA
Period31/10/993/11/99

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