Two multi-rate MC-CDMA transmission schemes based on Multi-Code (MC) and Variable-Spreading-Length (VSL) concepts are proposed and the related system issues and reception problems are investigated.

• 在本论文中利用多码与可变展频的概念提出了两个多速率多载波分码多工传输方法，也同时研究其相关的系统议题，例如如何达成有效的接收。