patch antenna excitation

plzzz i need to know how diimensions of edge fed rectangular patch....
and also how patch is excited with port.....

hi,
i hope this link will be help you

http://www.emtalk.com/mwt_mpa.htm

http://www.youtube.com/watch?v=k54XWrcI5Bc

I guess this may help...

http://www.antenna-theory.com/antenn...hes/patch3.php

Thanks