Path loss characteristics for UWB signal long-distance transmission

Yang Wang; Qinyu Zhang; Naitong Zhang; Jie Zhang

doi:10.1117/12.773769

10 November 2007 Path loss characteristics for UWB signal long-distance transmission

Yang Wang, Qinyu Zhang, Naitong Zhang, Jie Zhang

Proceedings Volume 6795, Second International Conference on Space Information Technology; 67951G (2007) https://doi.org/10.1117/12.773769
Event: Second International Conference on Spatial Information Technology, 2007, Wuhan, China

Abstract

Impulse systems do not undergo the multipath destructive interference that manifests itself as Rayleigh fading prevalent in continuous wave systems, but rather show up as delayed replicants of the direct impulse. In this paper, the path loss characteristics for impulse signals propagation over a plane earth are proposed. The condition for direct pulse and its replicant overlapping with each other is investigated. The polarization of the transmission signals, which was always neglected by previous approaches, is taken into account here. Moreover, a new time domain reflection coefficient, which is simple and accurate in comparing with conventional results, is adopted in developing the reflected pulsed field. The simulation result shows that the path loss can be characterized as 3 zones with different path loss exponent as distance between transmitter and receiver (T-R) increasing.

Citation Download Citation

Yang Wang, Qinyu Zhang, Naitong Zhang, and Jie Zhang "Path loss characteristics for UWB signal long-distance transmission", Proc. SPIE 6795, Second International Conference on Space Information Technology, 67951G (10 November 2007); https://doi.org/10.1117/12.773769

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