RDS技術是利用調頻多工技術，在調頻廣播的富余頻帶內增設一個副載波信道，用以傳送數据信息。 -RDS FM technology is the use of multiple techniques, in the FM radio band surplus created a sub-carrier channel. for the transmission of data information.

LDPC QC-LDPC 通讯信道编码算法-LDPC QC-LDPC coding algorithm communication channels