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Journal of Zhejiang University SCIENCE A 2006 Vol.7 No.10 P.1690~1694


Proposal for a cross layer scheme for real-time wireless video

Author(s):  JEYARAJ Arulsaravana, CHENG Liang, EL Zarki Magda

Affiliation(s):  EECS Department, the Henry Samueli School of Engineering, University of California, Irvine, CA-92697, USA; more

Corresponding email(s):   asaravan@uci.edu, liang.cheng@gmail.com, elzarki@uci.edu

Key Words:  MIMO, V-BLAST, Adaptive modulation, Diversity, Constant bit rate (CBR), Cross layer design, Power control, Fine granular scalability (FGS)

JEYARAJ Arulsaravana, CHENG Liang, EL Zarki Magda. Proposal for a cross layer scheme for real-time wireless video[J]. Journal of Zhejiang University Science A, 2006, 7(10): 1690~1694.

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DOI - 10.1631/jzus.2006.A1690

This paper focuses on the design of the cross layer between the video application layer and the MIMO physical layer. MIMO physical layer research has promised an enormous increase in the capacity of wireless communication systems. Also MIMO wireless systems operate under fading conditions where the channel faces arbitrary fluctuations. Since the wireless channel changes over each coherence period, the capacity of the wireless channel, given the power constraints, changes. Hence to make efficient use of the available capacity one needs to adapt the video bit rate. However it is impossible to adapt at the application layer as changing the parameters of the video takes more time than the coherence period of the channel. In this paper we address this problem through a novel solution and also investigate its performance through a simulation study.

Darkslateblue:Affiliate; Royal Blue:Author; Turquoise:Article


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