A Markov-based channel model algorithm for wireless networks
Wireless Networks
Discrete Rayleigh fading channel modeling: Research Articles
Wireless Communications & Mobile Computing
State description of wireless channels using change-point statistical tests
WWIC'06 Proceedings of the 4th international conference on Wired/Wireless Internet Communications
Simple, accurate and computationally efficient wireless channel modeling algorithm
WWIC'05 Proceedings of the Third international conference on Wired/Wireless Internet Communications
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Performance control of applications running over wireless channels depends on ability to estimate statistical characteristics of wireless channels in real-time and represent them in terms of the model. Inherent time-varying dynamics of these characteristics pose a number of problems that have to be addressed before reliable estimates of the current channel state will be available. In this paper we consider the problem of on-line estimation of the state of the wireless channel based on bit error observations. The proposed approach is based on smoothing of the original error sequence which is shown to provide better description of the wireless channel for any given instant of time compared to conventional approaches. We also discuss applicability of the proposed approach in performance control of applications running over the air interface.