A new approach to cooperative NOMA using distributed space time block coding - Jamal, Muhammad Nasar; Hassan, Syed Ali; Jayakody, Dushantha Nalin K. (2017 IEEE 28th Annual International Symposium on Personal, Indoor, and Mobile Radio Communications (PIMRC), Personal, Indoor, and Mobile Radio Communications (PIMRC), 2017 IEEE 28th Annual International Symposium on, 2017)