NDLI: A Scalable Mobile Video Broadcast Scheme Using 3D Wavelet Transform

Content Provider	IEEE Xplore Digital Library
Author	Quan Wang Xiaocheng Lin Yu Liu Lin Zhang Xiaofei Wu
Copyright Year	2014
Description	Author affiliation: Key Lab. of Universal Wireless Commun., Beijing, China (Quan Wang; Xiaocheng Lin; Yu Liu; Lin Zhang; Xiaofei Wu)
Abstract	With the deployment of the fourth generation communication networks, mobile video broadcast services are becoming one of the essential parts of users' daily lives. As an efficient way for mobile video transmission, digital broadcast scheme is faced with the challenge of cliff effect. A novel real-value scheme called SoftCast can eliminate the cliff effect, but not efficient in removing inter- frame correlation. The proposed scheme is similar to SoftCast, and to fully exploit the inter-frame redundancy, motion alignment is involved in the temporal wavelet transform. Then the dense constellation mapping of 64K quadrature amplitude modulation is utilized to maintain the real-value property for wireless transmission. Moreover, metadata is extracted from the previous processes and transmitted in the conventional mechanism to facilitate decoding. Simulation results verify the scalability and robustness of the proposed scheme in the mobile video broadcast applications.
Starting Page	1
Ending Page	5
File Size	392138
Page Count	5
File Format	PDF
ISBN	9781479944491
DOI	10.1109/VTCFall.2014.6965843
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2014-09-14
Publisher Place	Canada
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Mobile communication PSNR Streaming media Transforms Decoding Decorrelation
Content Type	Text
Resource Type	Article

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