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Characterization of polarization diversity at the mobile

Brown, TWC, Saunders, SR, Stavrou, S and Fiacco, M (2007) Characterization of polarization diversity at the mobile IEEE T VEH TECHNOL, 56 (5). 2440 - 2447.

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Two new models used to characterize polarization diversity at the mobile are presented and discussed. The first model is built upon existing theoretical models at a base station to demonstrate how those principles apply to the mobile fading environment. Due to limitations of antennas at the mobile, this extended model, although relevant, is not sufficient to characterize polarization diversity of the antennas; therefore, this paper moves on to show how a new approach to polarization diversity at the mobile exists as an inherent feature within an angular diversity system. Results show that, for two polarizations in a fading environment, the best overall output occurs with a ±45◦ element configuration, although the diversity combiner itself has optimum performance with a ±67.5◦ configuration due to lower correlation at the input. The second model is also used to demonstrate how differently polarized dipoles are using polarization diversity inherent within an angular diversity system.

Item Type: Article
Divisions : Faculty of Engineering and Physical Sciences > Electronic Engineering > Centre for Communication Systems Research
Authors :
Date : September 2007
Identification Number : 10.1109/TVT.2007.898371
Uncontrolled Keywords : antenna diversity, branch difference, correlation, cross-polar ratio, efficiency loss, RADIO, RECEPTION, ANTENNAS
Depositing User : Melanie Hughes
Date Deposited : 16 Sep 2010 09:19
Last Modified : 23 Sep 2013 18:36

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