Information indicating a base station apparatus with which each of a terminal apparatus T-k and other terminal apparatuses that are to perform location registration in a service area of a base station apparatus B(k) with which the terminal apparatus T-k is to perform location registration is shared among all the terminal apparatuses that are to perform location registration in the service area. A maximum wait time is set longer, the greater the number of other terminal apparatuses that are scheduled to perform location registration with the base station apparatus B(k) with respect to which the terminal apparatus T-k is to perform location registration is, the maximum wait time being a maximum wait time for the terminal apparatus T-K to access the base station apparatus B(k).