http://www.privateline.com/mt_cellbasics/

http://www.slideshare.net/tscelles/wimax-network-components/

http://www.umtsworld.com/technology/Prerequisite.htm

with hopes of some insight in an edit.

http://www.owlnet.rice.edu/~elec539/Projects97/morphjrks/laplacian.html

with hopes of later talking about the various operators (advantages and disadvantages)