Hi,

IR remotes uses different types of protocols mainly manchester oriented. However I have seen some chinese remotes which uses a variable pulse duty scheme with hold data. I don't know how you decoded the signal in the first place but the below links can be of real help:

http://www.piclist.com/images/boards/irwidget/index.htm

http://home1.stofanet.dk/hvaba/fprc5rx/index.html