Title :
Design and implementation of channel encoder/decoder for the Digital Audio Broadcasting (DAB) system
Author :
Lay, Tzong-Horng ; Lee, Yang-Han ; Lo, Lun-Chieh ; Leu, Chu-Yang ; Gong, Pei-Min
Author_Institution :
Dept. of Electr. Eng., TamKang Univ., Taipei Hsien, Taiwan
Abstract :
The Digital Audio Broadcasting (DAB) system is designed to provide CD-quality sounds and flexible data. The DAB system is for not only fixed and portable receivers, but also for mobile receivers. As a result, the DAB system utilizes various levels of error protection including channel encoding and modulation. This paper presents error-correction encoding methods such as energy-dispersal, convolutional encoding, puncturing procedure and time-interleaving. The sub-circuits (energy dispersal and convolutional coding) were realized on an FPGA (Altera EPM7160ELC84-15). The Viterbi decoder was verified by the Matlab simulation.
Keywords :
Viterbi decoding; audio coding; channel coding; convolutional codes; digital audio broadcasting; digital simulation; error correction codes; field programmable gate arrays; radio receivers; Altera EPM7160ELC84-15; CD-quality sound; DAB system; Digital Audio Broadcasting system; FPGA; Matlab simulation; VHDL; Viterbi decoder; channel encoder/decoder design; channel encoding; convolutional coding; convolutional encoding; energy dispersal; energy-dispersal; error protection; error-correction encoding methods; fixed receivers; mobile receivers; modulation; portable receivers; puncturing procedure; sub-circuits; time-interleaving; very high speed IC-hardware description language; Bit error rate; Channel coding; Circuit simulation; Convolution; Convolutional codes; Decoding; Digital audio broadcasting; Frequency division multiplexing; OFDM; Viterbi algorithm;
Conference_Titel :
Communications, 1999. APCC/OECC '99. Fifth Asia-Pacific Conference on ... and Fourth Optoelectronics and Communications Conference
Conference_Location :
Beijing, China
Print_ISBN :
7-5635-0402-8
DOI :
10.1109/APCC.1999.824991
