Stochastic Stability Analysis of Power Control in Wireless Networks via a Norm-inequality-based Approach


  • Rongrong Qian Beijing Univ. of Posts and Telecommunications (BUPT) Beijing, 100876, China
  • Yuan Qi Beijing Univ. of Posts and Telecommunications (BUPT) Beijing, 100876, China


wireless networks, power control, stochastic stability


Owing to the requirements from realistic wireless networks, the stochastic stability analysis for discrete-time power control, which concerns the randomness brought by the fading channels and noise of wireless systems, is of practical significance. By developing a norm-inequality-based framework of analyzing the stochastic stability of linear systems with random parameters, we show that a typical powercontrol law with linear system model is stable in the sense of the pth-moment stability. Several conditions of achieving the pth-moment stability for the considered power-control law are obtained, which can easily applied to realistic wireless networks. Besides, within this study, the stability analysis of power control for the first time takes into account the effect of multiple-access methods.


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