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1.	Dimitriou, Ioannis, et al. (författare) Stability and Delay Analysis of an Adaptive Channel-Aware Random Access Wireless Network 2017 Ingår i: ANALYTICAL AND STOCHASTIC MODELLING TECHNIQUES AND APPLICATIONS, ASMTA 2017. - Cham : SPRINGER INTERNATIONAL PUBLISHING AG. - 9783319614281 - 9783319614274 ; , s. 63-80 Konferensbidrag (refereegranskat)abstract In this work, we consider an asymmetric two-user random access wireless network with interacting nodes, time-varying links and multipacket reception capabilities. The users are equipped with infinite capacity buffers where they store arriving packets that will be transmitted to a destination node. Moreover, each user employs a general transmission control protocol under which, it adapts its transmission probability based both on the state of the other user, and on the channel state information according to a Gilbert-Elliot model. We study a two-dimensional discrete time Markov chain, investigate its stability condition, and show that its steady state performance is expressed in terms of a solution of a Riemann-Hilbert boundary value problem. Moreover, for the symmetrical system, we provide closed form expressions for the average delay at each user node. Numerical results are obtained and show insights in the system performance.

Dimitriou, Ioannis, et al. (författare)
Stability and Delay Analysis of an Adaptive Channel-Aware Random Access Wireless Network
2017
Ingår i: ANALYTICAL AND STOCHASTIC MODELLING TECHNIQUES AND APPLICATIONS, ASMTA 2017. - Cham : SPRINGER INTERNATIONAL PUBLISHING AG. - 9783319614281 - 9783319614274 ; , s. 63-80
Konferensbidrag (refereegranskat)abstract
- In this work, we consider an asymmetric two-user random access wireless network with interacting nodes, time-varying links and multipacket reception capabilities. The users are equipped with infinite capacity buffers where they store arriving packets that will be transmitted to a destination node. Moreover, each user employs a general transmission control protocol under which, it adapts its transmission probability based both on the state of the other user, and on the channel state information according to a Gilbert-Elliot model. We study a two-dimensional discrete time Markov chain, investigate its stability condition, and show that its steady state performance is expressed in terms of a solution of a Riemann-Hilbert boundary value problem. Moreover, for the symmetrical system, we provide closed form expressions for the average delay at each user node. Numerical results are obtained and show insights in the system performance.

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