Title :
Channel decoder architecture of OFDM based DMB system
Author :
Koo, Bontae ; Kim, Jinkyu ; Lee, Juhyun ; Eum, Nak-Woong ; Kim, Jongdae ; Cho, Hyunmook
Author_Institution :
High Integrated Circuit Res. Dept., ETRI, Daejeon, South Korea
Abstract :
We present the architecture and implementation of a channel decoder for a Korean standard DMB system. This channel decoder has many technical advantages of OFDM, error correction (Viterbi decoder and Reed-Solomon decoder) and audio source coding (MUSICAM). The channel decoder has a mixed hardware and software architecture to get a high performance and functional flexibility. It meets the requirements for a terrestrial DMB system. The prototype channel decoder of DMB system is developed using the DSP and FPGA hardware modules.
Keywords :
OFDM modulation; Reed-Solomon codes; Viterbi decoding; audio coding; channel coding; digital simulation; error correction; field programmable gate arrays; DSP hardware module; OFDM based digital multimedia broadcasting system; Reed-Solomon decoder; Viterbi decoder; audio source coding; channel decoder architecture; channel decoder implementation; digital signal processing; error correction; functional flexibility; prototype channel decoder; Computer architecture; Decoding; Digital multimedia broadcasting; Error correction codes; Hardware; OFDM; Reed-Solomon codes; Software architecture; Source coding; Viterbi algorithm;
Conference_Titel :
Circuits and Systems, 2004. ISCAS '04. Proceedings of the 2004 International Symposium on
Print_ISBN :
0-7803-8251-X
DOI :
10.1109/ISCAS.2004.1329211
