Unequal Iterative Decoding for Power Efficient Video Transmission

Author

Wang, Yongfang ; Yu, Songyu ; Yang, Xiaokang

Author_Institution

Inst. of Image Commun. & Inf. Process., Shanghai Jiao Tong Univ.

fYear

2006

fDate

9-12 July 2006

Firstpage

613

Lastpage

616

Abstract

We present an unequal iterative decoding (UID) approach for minimization of the receiver power consumption subject to a given quality of service, by exploiting data partitioning and turbo decoding. We assign unequal decoding iterations of forward error correction (FEC) to data partitions with different importance by jointly considering the source coding, channel coding and receiver power allocation. The proposed scheme has been applied to H.264 video over AWGN channel, and achieves excellent tradeoff between video delivery quality and power consumption, and yields significant power saving compared with the classical equal iterative decoding (EID) approach in wireless video transmission

Keywords

AWGN channels; code standards; combined source-channel coding; forward error correction; iterative decoding; quality of service; radio receivers; turbo codes; video coding; wireless channels; AWGN channel; FEC; H.264 video; QoS; UID approach; additive white Gaussian noise; data partition; forward error correction; joint source channel coding; power consumption; power efficient video transmission; quality-of-service; receiver power allocation; turbo decoding; unequal iterative decoding; video delivery quality; Channel coding; Energy consumption; Forward error correction; Image communication; Image reconstruction; Information processing; Iterative decoding; Source coding; Streaming media; Video compression;

fLanguage

English

Publisher

ieee

Conference_Titel

Multimedia and Expo, 2006 IEEE International Conference on

Conference_Location

Toronto, Ont.

Print_ISBN

1-4244-0366-7

Electronic_ISBN

1-4244-0367-7

Type

conf

DOI

10.1109/ICME.2006.262483

Filename

4036674