DocumentCode :
1437522
Title :
Channel Modeling Approach Based on the Concept of Degradation Level Discrete-Time Markov Chain: UWB System Case Study
Author :
De Rango, Floriano ; Veltri, Fiore ; Marano, Salvatore
Author_Institution :
Dept. of D.E.I.S., Univ. of Calabria, Rende, Italy
Volume :
10
Issue :
4
fYear :
2011
fDate :
4/1/2011 12:00:00 AM
Firstpage :
1098
Lastpage :
1107
Abstract :
In this work an approach to obtain an accurate high level channel model based on Discrete-Time Markov Chain, useful in some simulation context, is provided. In particular, this model is based on the concept of error trace analysis and on the degradation level of given observation windows: an observation window is fixed and the degradation level of the link, the Packet Error Rate (PER) relative to the specific window, is evaluated. This approach is useful for any wireless transmission scheme, but in our work, we apply it to the Ultra Wideband (UWB) system. Many researchers have already treated UWB channel modeling. However, to the best of our knowledge, all the proposed channel models work at the physical level investigating only some aspects of channel interaction. It has been shown through a comparative analysis, based on the occurrence of correctly and wrongly received packets, that the degradation level approach is more accurate than the classic Gilbert-Elliot model, the 3rd order Markov model and the Markov-based Trace Analysis (MTA) model.
Keywords :
Markov processes; error statistics; ultra wideband communication; Markov based trace analysis; UWB channel modeling; channel modeling; discrete time Markov chain; packet error rate; ultra wideband system; wireless transmission scheme; Analytical models; Computational modeling; Degradation; Entropy; Hidden Markov models; Markov processes; Wireless communication; DTMC; UWB channel; degradation level concept; error trace analysis;
fLanguage :
English
Journal_Title :
Wireless Communications, IEEE Transactions on
Publisher :
ieee
ISSN :
1536-1276
Type :
jour
DOI :
10.1109/TWC.2011.012411.091590
Filename :
5703203
Link To Document :
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