Transmission and Multiplexing (TM); Specification of new generation high-capacity digital radio systems carrying 2 x STM-1 Synchronous Digital Hierarchy (SDH) signals in frequency bands with 40 MHz channel spacing
传输和多路复用(TM);新一代高容量数字无线电系统规范 在40 MHz信道间隔的频带内传输2 x STM-1同步数字体系(SDH)信号
To produce information and technical matter on high capacity digital radio relay systems using modulation of complexity equal to or greater than 64 QAM This second edition will include further developments.