Parameters calculation of logical channel for a secondary user in a group of two primary channels
Abstract
This paper considers the scenario when the resulting logical channel for a secondary user in a cognitive radio system is formed by the algorithm minimizing the number of physical channel changes. The stochastic activity of primary users in a physical channel is characterized by a simple Markov chain. We present the analytical method for forming an accurate stochastic model (a simple Markov chain) of the resulting logical channel. The method is based on the aggregations of the graph states describing the channel change process in the algorithm. The result of the method describes the stochastic availability of the resources for a secondary user in the formed logical channel.
About the Authors
P. .. Krasheninnikov
СибГУТИ
Russian Federation
Russian Federation
O. .. Melentyev
СибГУТИ
Russian Federation
Russian Federation
I. .. Shevnina
СибГУТИ
Russian Federation
Russian Federation
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Review
For citations:
Krasheninnikov P..., Melentyev O..., Shevnina I... Parameters calculation of logical channel for a secondary user in a group of two primary channels. The Herald of the Siberian State University of Telecommunications and Information Science. 2018;(3):3-9. (In Russ.)
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