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This study is concerned with the stabilisation problem for a basic wireless networked control system (WNCS) with packet loss in the discretetime domain. Utilising the relation between packet loss probability and signaltonoise power ratio (SNR) of the wireless channel, the wireless link model is simplified as a Bernoulli process. Moreover, the WNCS can be expressed as a Markov jump linear system. The necessary and sufficient condition of meansquare stability for the WNCS is established for given packet loss probability. The stabilisation condition is developed for the existence of a stabilising state feedback controller and the statefeedback gain can be obtained by using the condition. A numerical example is provided to illustrate the main results. Furthermore, an upper bound on the packet loss probability and a lower bound on the SNR guaranteeing the existence of stabilising controller are estimated by exploiting the stabilisation condition in the example.
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