To improve the channel capacity, a new Alamouti space-time block coding (STBC) multiple-input multiple-output (MIMO) system was employed for underwater communications.

• 摘要为了提高水声信道的信道容量，将多输入多输出(MIMO)技术用于水声信道，提出一种基于空时分组编码(STBC)的MIMO通信系统。