Robust Digital Terrestrial TV Broadcasting System with Error-Resilient Schemes

Authors:
Chuxiang Li;Jianhua Lu;Jun Gu;Ming L. Liou
Affiliations:
Department of Electronic Engineering, Tsinghua University, Beijing, 100084, People's Republic of China;Department of Electronic Engineering, Tsinghua University, Beijing, 100084, People's Republic of China;Department of CS, HKUST, Clear Water Bay, Kowloon, Hong Kong, People's Republic of China;Department of EEE, HKUST, Clear Water Bay, Kowloon, Hong Kong, People's Republic of China
Venue:
Journal of VLSI Signal Processing Systems
Year:
2003

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Abstract

In this paper, error-resilient schemes are proposed to support robust video transmission for digital terrestrial TV broadcasting (DTTB). In particular, a temporal error concealment incorporated with a low-complexity block-matching is developed, achieving an effective reception of predictive pictures in harsh terrestrial environment. Special algorithms are also designed for isolated I-pictures. Moreover, combined with an intra/inter case prediction, an adaptive error concealment scheme is further contrived to fit for different error conditions. Extensive simulations have been conducted under various DTTB channel conditions, even with a very high packet error rate, to verify the effectiveness of the proposed schemes.