While I was searching around Nintendo's patents in Google, I stumbled across the patent for their Wireless Connector, and it was filed in Feb 2, 2001. Of course, this was only used in FR/LG. So maybe Nintendo were planning to include it in Ruby and Sapphire? The only reason I see not to was time.
EDIT: Link: http://www.google.com/patents?vid=USPATD460494&id=2g0MAAAAEBAJ&printsec=abstract&zoom=4&dq=nintendo
EDIT: Link: http://www.google.com/patents?vid=USPATD460494&id=2g0MAAAAEBAJ&printsec=abstract&zoom=4&dq=nintendo