A quantification of 3D directional spread from small-scale fading analysis

A Pal; MA Beach; AR Nix

A quantification of 3D directional spread from small-scale fading analysis

A Pal, MA Beach, AR Nix

Research output: Working paper › Working paper and Preprints

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Abstract

The terms "angular spread" and "multipath richness" are frequently used in literature in reference to the directional spread of the multipath energy arriving at the receiver. Although its magnitude is fundamental to the performance of spatial diversity antenna arrays, current literature falls short of providing a precise mathematical definition for directional spread when an arbitrary 3-D directional distribution is considered. In this paper, a quantification of directional spread that is applicable for arbitrary energy distributions of multipath rays/clusters in the 3-D directional domain has been proposed from analysis of second order statistics of small-scale fading. The proposed metrics overcome the limitations of the conventional RMS angular spread metric

Original language	English
Pages	8 p
Publication status	Published - Nov 2005

Publication series

Name	COST 273

Name	TD (05) 096

Bibliographical note

Additional information: A paper presented to a Post-Project Meeting of COST 273 : Towards Mobile Broadband Multimedia Networks, held in Lisbon, Portugal, November 10-11, 2005

Sponsorship: Arindam Pal would like to thank ORS UK and the University of Bristol for the postgraduate scholarship

Contributor: European Cooperation in the Field of Scientific and Technical Research (EURO-COST)

Keywords

antenna arrays
multipath

Access to Document

Working paperAccepted author manuscript, 251 KB

http://hdl.handle.net/1983/892

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abstract = "The terms {"}angular spread{"} and {"}multipath richness{"} are frequently used in literature in reference to the directional spread of the multipath energy arriving at the receiver. Although its magnitude is fundamental to the performance of spatial diversity antenna arrays, current literature falls short of providing a precise mathematical definition for directional spread when an arbitrary 3-D directional distribution is considered. In this paper, a quantification of directional spread that is applicable for arbitrary energy distributions of multipath rays/clusters in the 3-D directional domain has been proposed from analysis of second order statistics of small-scale fading. The proposed metrics overcome the limitations of the conventional RMS angular spread metric",

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N2 - The terms "angular spread" and "multipath richness" are frequently used in literature in reference to the directional spread of the multipath energy arriving at the receiver. Although its magnitude is fundamental to the performance of spatial diversity antenna arrays, current literature falls short of providing a precise mathematical definition for directional spread when an arbitrary 3-D directional distribution is considered. In this paper, a quantification of directional spread that is applicable for arbitrary energy distributions of multipath rays/clusters in the 3-D directional domain has been proposed from analysis of second order statistics of small-scale fading. The proposed metrics overcome the limitations of the conventional RMS angular spread metric

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