An Efficient Convolutional Code Information Recovery Scheme in DVB-S

Author

Zhiqiang Yi ; Yun Li

Author_Institution

Dept. of Telecommun. Eng., Hangzhou Dianzi Univ., Hangzhou

fYear

2008

fDate

12-14 Oct. 2008

Firstpage

1

Lastpage

4

Abstract

In DVB-S receive system, the decoder applies ergodic principle to auto-recover the convolutional code information. The general method makes decision by packet sync byte, and the recovery time is excessively long. An efficient recovery scheme is proposed to reduce the time: taking advantage of the property of "Secondary Encode", applying the decision-mechanism with confidence value and adopting finite state machine structure, and the reliability of the recovery process is guaranteed.

Keywords

convolutional codes; digital video broadcasting; direct broadcasting by satellite; finite state machines; DVB-S receive system; convolutional code information recovery scheme; digital video broadcast-satellite; finite state machine structure; packet sync byte; recovery process reliability; recovery time; secondary encode; Automata; Convolution; Convolutional codes; Decoding; Digital video broadcasting; Feedback loop; Satellite broadcasting; TV broadcasting; Transmitters; Viterbi algorithm;

fLanguage

English

Publisher

ieee

Conference_Titel

Wireless Communications, Networking and Mobile Computing, 2008. WiCOM '08. 4th International Conference on

Conference_Location

Dalian

Print_ISBN

978-1-4244-2107-7

Electronic_ISBN

978-1-4244-2108-4

Type

conf

DOI

10.1109/WiCom.2008.808

Filename

4678716