On the Behavior of RObust Header Compression U-mode in Channels with Memory

The existing studies of RObust Header Compression (ROHC) have provided some understanding for memoryless channel, but the behavior of ROHC for correlated wireless channels is not well investigated in spite of its practical importance. In this paper, the dependence of ROHC against its design paramete...

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Bibliographic Details
Published in:IEEE transactions on wireless communications 2013-08, Vol.12 (8), p.3722-3732
Main Authors: Hermenier, R., Rossetto, F., Berioli, M.
Format: Article
Language:English
Subjects:
Access methods and protocols, osi model
Applied sciences
Channels
Compressing
Context
correlated channels
Design parameters
Exact sciences and technology
Headers
IP networks
Markov chain
Markov processes
Mathematical analysis
Mathematical models
Protocols
Robustness
ROHC
Synchronization
Telecommunications
Telecommunications and information theory
Teleprocessing networks. Isdn
Tin
Trends
Wireless communication
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Summary:The existing studies of RObust Header Compression (ROHC) have provided some understanding for memoryless channel, but the behavior of ROHC for correlated wireless channels is not well investigated in spite of its practical importance. In this paper, the dependence of ROHC against its design parameters for the Gilbert Elliot channel is studied by means of three analytical models. A first more elaborated approach accurately predicts the behavior of the protocol for the single RTP flow profile, while a simpler, analytically tractable model yields clear and insightful mathematical relationships that explain the qualitative trends of ROHC. The results are validated against a real world implementation of this protocol. Moreover, a third model studies also the less conventional yet practically relevant setting of multiple RTP flows.
ISSN:1536-1276
1558-2248
DOI:10.1109/T-WC.2013.051313.120839