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Space versus angle diversity-results of system analysis using propagation data

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3 Author(s)
Valentin, R. ; Forschungsinst. der Deutschen Bundespost, Darmstadt, West Germany ; Giloi, H.-G. ; Metzger, K.

Propagation experiments performed on a test link using diversity configurations are described. The results for the angle-diversity antenna show that the dispersive nature of the fading is mainly caused by ground reflections or ray bending at ground-based layers. Outage calculations were performed for 16-QAM and 256-QAM digital radio systems with different parameters, using the observed propagation channel characteristics. The results show that propagation impairments can be reduced strongly by angle-diversity reception as compared with single reception or horizontal space diversity. Vertical space diversity with a large antenna separation, however, outperformed angle diversity, at least for the beam orientations chosen in this experiment

Published in:

Communications, 1989. ICC '89, BOSTONICC/89. Conference record. 'World Prosperity Through Communications', IEEE International Conference on

Date of Conference:

11-14 Jun 1989