Novel channel-estimation based transmitter-identification for digital television signals

Author

Hsiao-Chun Wu ; Tian Xia ; Yiyan Wu

Author_Institution

Sch. of Electr. Eng. & Comput. Sci., Louisiana State Univ., Baton Rouge, LA, USA

fYear

2013

fDate

5-7 June 2013

Firstpage

1

Lastpage

8

Abstract

The transmitter identification (Tx-ID) technique has been addressed in the modern ATSC digital television standards. Kasami sequences are adopted as the Tx-ID sequences due to the favorable code capacity. However, the conventional cross-correlation based Tx-ID technique cannot combat the realistic multipath channel impairment. Therefore, in this paper, we propose a new least-square Tx-ID approach, which is demonstrated to be very robust when the multipath channels are encountered. Based on our new theoretical study, we design new efficient algorithms to determine the maximum allowable channel length given a particular Kasami Tx-ID sequence. These algorithms and theoretical results can be very useful for the future digital television technologies.

Keywords

channel estimation; digital television; image sequences; least squares approximations; multipath channels; television standards; television transmitters; video coding; Kasami Tx-ID sequence; channel-estimation; code capacity; cross-correlation based Tx-ID technique; least-square Tx-ID approach; modern ATSC digital television signal standard; multipath channel impairment; transmitter identification technique; Educational institutions; Digital television systems; efficient algorithms; fast channel estimation; transmitter identification (Tx-ID);

fLanguage

English

Publisher

ieee

Conference_Titel

Broadband Multimedia Systems and Broadcasting (BMSB), 2013 IEEE International Symposium on

Conference_Location

London

ISSN

2155-5044

Type

conf

DOI

10.1109/BMSB.2013.6621729

Filename

6621729