By Haohong Wang, Lisimachos Kondi, Ajay Luthra, Song Ci
A accomplished presentation of the video verbal exchange strategies and platforms, this booklet examines 4G instant platforms that are set to revolutionise ubiquitous multimedia communication.4G instant Video Communications covers the basic concept and appears at structures descriptions with a spotlight on electronic video. It addresses the most important subject matters linked to multimedia verbal exchange on 4G networks, together with complicated video coding criteria, mistakes resilience and blunder concealment innovations, in addition to complicated content-analysis and model recommendations for video communications, cross-layer layout and optimization frameworks and techniques. It additionally offers a high-level evaluation of the electronic video compression commonplace MPEG-4 AVC/H.264 that's anticipated to play a key function in 4G networks. fabric is gifted logically permitting readers to show on to particular attractions. the 1st half the booklet covers primary conception and platforms, whereas the second one part strikes onto complex suggestions and functions. This e-book is a well timed mirrored image of the most recent advances in video communications for 4G instant platforms.
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Additional info for 4G wireless video communications
For example, when network congestion occurs, the receiver can catch it by detecting symptoms such as packet loss or packet delay. The receiver then sends feedback RTCP packets to the source in order to inform it about the congestion status. Thus, the sender will decrease its transmission rate once it receives the RTCP packet. This way, the source can always keep up with network bandwidth variation and the network is therefore utilized efficiently. 264/AVC, the elementary data unit for encapsulation by transport protocols (for example RTP) is called the network abstraction layer (NAL) unit.
26. J. Wang, M. Venkatachalam, and Y. Fang, System architecture and cross-layer optimization of video broadcast over WiMAX, IEEE Journal of Selected Areas In Communications, Vol. 25, No. 4, pp. 712– 21, May 2007. 2 Wireless Communications and Networking In the past decades, wireless communications and networking have enjoyed huge commercial success, thanks to many new wireless technologies and industrial standards. The fundamental difference between wired and wireless technologies resides in the physical channel.
Y. Wang, S. Wenger, J. Wen, and A. K. Katsaggelos, Review of error resilient techniques for video communications, IEEE Signal Processing Magazine, Vol. 17, No. 4, pp. 61– 82, July 2000. 24. Y. Takishima, M. Wada, H. Murakami, Reversible variable length codes, IEEE Trans. Communications, Vol. 43, Nos. 2/3/4, pp. /March/April 1995. 25. T. Stockhammer, M. M. 264/AVC Video for Wireless Transmission, IEEE Wireless Communications, Vol. 12, Issue 4, pp. 6–13, August 2005. 26. J. Wang, M. Venkatachalam, and Y.
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