This paper analyze the BER and the speed of data transmission of BPSK, QPSK and 16-QAM in Systemview and Matlab, and pointing out QAM modulate Technology is a way effectively of high speed of data transmission.

• 在文中用Matlab对采用BPSK、QPSK、16-QAM、64-QAM的误码率及其数据传输速率进行了仿真分析;