In modern communication, RS code has turned into standard error correcting and coding unit as outer code, and become widely used.
由于在现代通信中，RS码作为外码成为标准的纠错编码单元，用途十分广泛。
We need choice appropriate real-time error control code in order to get low code error ratio in the process of the communication.
在通信过程中，为了要获得比较低的误码率，需要选择合适的实时差错控制方式。
It is explained that using CRC error detection code in asynchronous mode can enhance the error control ability of communication system.
说明了在异步通信方式下，可采用CRC检错码提高通信系统的差错控制能力。
应用推荐