NDLI: Joint routing and server selection for multiple description video streaming in ad hoc networks

Content Provider	IEEE Xplore Digital Library
Author	Shiwen Mao Xiaolin Cheng Hou, Y.T. Sherali, H.D. Reed, J.H.
Copyright Year	2005
Description	Author affiliation: Bradley Dept. of Electr. & Comput. Eng., Virginia Tech., Blacksburg, VA, USA (Shiwen Mao; Xiaolin Cheng; Hou, Y.T.)
Abstract	Multiple description (MD) coding has a great potential for multimedia communications in wireless ad hoc networks. In this paper, we study the important problem of joint routing and server selection for MD video in ad hoc networks. We take a cross-layer approach to formulate the task as a combinatorial optimization problem and present tight lower and upper bounds for the achievable distortion. The upper bound also provides a feasible solution to the formulated problem. Our extensive numerical results show that the bounds are very close to each other for all the cases studied, indicating the near-global optimality of the derived upper bounding solution. Moreover, we observe significant gains in video quality achieved by the proposed approach over existing server selection schemes. This justifies the importance of jointly considering routing and server selection for optimal MD video streaming in wireless ad hoc networks. The proposed algorithms are computationally efficient and can be easily incorporated into existing routing protocols.
Starting Page	2993
Ending Page	2999
File Size	188918
Page Count	7
File Format	PDF
ISBN	0780389387
DOI	10.1109/ICC.2005.1494940
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2005-05-16
Publisher Place	South Korea
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Routing Network servers Streaming media Intelligent networks Ad hoc networks Mobile ad hoc networks Multimedia communication Web server Upper bound Bandwidth
Content Type	Text
Resource Type	Article

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