Title :
Spatial correlation property derived from radar rain map and site-diversity effect evaluation
Author :
Fukuchi, Hajime ; Inose, Yushi ; Chodkaveekityada, Peeramed
Author_Institution :
Tokyo Metropolitan Univ., Hino, Japan
Abstract :
Rain attenuation should be overcome for future high-speed satellite communication using higher frequencies above 20GHz even in rain-rich countries. Several countermeasure techniques has been proposed to maintain satellite link service. Site-diversity method has been used for that purpose. For quantitative evaluation of site-diversity effect, spatial correlation of rain may be quite valuable. We derived 2-dimensional space correlation property all over Japan and found region dependence, anisotropic property and distance dependence of the correlation. We derived relations between space correlation and site-diversity gain. This results is useful for efficient site-diversity strategy design.
Keywords :
correlation methods; radar applications; rain; satellite links; telecommunication services; 2-dimensional space correlation property; Japan; anisotropic property; high-speed satellite communication; radar rain map; rain attenuation; rain-rich country; satellite link service; site-diversity effect evaluation; site-diversity method; Attenuation; Correlation; Correlation coefficient; Meteorological radar; Rain; Spaceborne radar; Rain attenuation; Rain space correlation; Site-Diversity;
Conference_Titel :
Antennas and Propagation (ISAP), 2014 International Symposium on
Conference_Location :
Kaohsiung
DOI :
10.1109/ISANP.2014.7026718