Jinghuan Chen University of Minnesota Dept. of Electrical and Computer Engineering 200 Union Street S.E. Minneapolis, MN 55455 E-Mail: jchen@ece.umn.edu Home Page: http://www.ece.umn.edu/users/jchen Member of the Communications and Data Storage Lab Last modified on November 24, 1997; webmaster@www-cdslab.ece.umn.edu