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An Analysis of Fading Mechanisms for Fixed Antennas

By Prashanth H, Jack A. Smith and Doug Reed

Abstract

Numerous measurement campaigns have empirically quantified the angular arrival and temporal distributions of indoor scattering. In this paper, we examine the effect on envelope fading when a subset of the scattered rays reaching the receiver are disturbed, such as by pedestrian motion in the vicinity of the receiver. First, the empirical findings are used to tune a model where scattered rays are created by the presence of physical scattering objects in the vicinity of the receiver. This model is then used to explore the effects of pedestrian motion by moving a blocker through the vicinity of the receiver in such a manner that a subset of the rays is blocked. Next, fading for fixed antennas is examined to explore the nature of the Rician amplitude distribution of the fading that results from pedestrian motion in the vicinity of the fixed antenna. 1

Year: 2009
OAI identifier: oai:CiteSeerX.psu:10.1.1.134.5629
Provided by: CiteSeerX
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