Patent 7684506 was granted and assigned to Panasonic on March, 2010 by the United States Patent and Trademark Office.
A space-time block encoder changes the patterns of space-time block code signals according to transmission data. The space-time block encoder makes the space-time block code signals by making first and second transmission symbols from transmission data and changing the order to output these first and second transmission symbols and signals representing the complex conjugates of the first and second transmission symbols according to transmission data.