I am not sure whether the paper is copyright protected or not, so I don’t upload it here. But here’s the google search in which you can easily find the paper:
https://www.google.com/?gws_rd=ssl#q=sac+ocdma+md+Morteza+Motealleh
And here’s the name of the file you want to download:
[pdf] SAC-OCDMA, MD code, Optisystem – Scientific & Academ…