SparseCodeMultipleAccess(SCMA)是华为针对5G提出的新的空口多址接入技术,这是针对SCMA调制解调的matlab仿真源码,实现了log-MPA算法(消息传递算法),码本设计来自文章http://www.innovateasia.com/5g/images/pdf/1st%205G%20Algorithm%20Innovation%20Competition-ENV1.0%20-%20SCMA.pdf