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Efficient error recovery for multimedia data transmission over 3G cellular broadcast networks

Title
Efficient error recovery for multimedia data transmission over 3G cellular broadcast networks
Author
조용우
Issue Date
2006-04
Publisher
IEEE
Citation
20th International Conference on Advanced Information Networking and Applications - Volume 1 (AINA'06), Page. 683-688
Abstract
We analyze the execution time of MAC-layer Reed-Solomon decoding in cdma2000 1xEV-DO broadcast and multicast services (BCMCS), using different cache sizes and a simulated air channel. MPEG-4 video is widely used for wireless multimedia services; however, it requires successive frames within a specific time interval, which can be missed by a MAC-layer Reed-Solomon decoder due to its computation time. We propose static and dynamic proactive Reed-Solomon bypass (PRSB) schemes to alleviate this problem in mobile nodes. Our first scheme bypasses the Reed-Solomon decoding process to satisfy the MPEG-4 time constraint statically, despite varying channel conditions. The second, dynamic scheme corrects errors in a best-effort manner within this same time constraint, leading to a further quality improvement. Extensive simulation results show a dramatic quality improvement in video quality
URI
https://ieeexplore.ieee.org/document/1620267https://repository.hanyang.ac.kr/handle/20.500.11754/107896
ISSN
1550-445X; 2332-5658
DOI
10.1109/AINA.2006.163
Appears in Collections:
COLLEGE OF COMPUTING[E] > MEDIA, CULTURE, AND DESIGN TECHNOLOGY(ICT융합학부) > Articles
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