Importance

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Abstract

A method of connection of a priority call in a wireless communication system able to assign channels making full utilization of system resources and to thereby prevent failure of connection (call loss) of an emergency call or other priority call, which sets a maximum threshold Th.III between a critical threshold Th.IV constituting an upper limit, in terms of hardware, on the number of calls able to be assigned channels in a wireless section, and a design threshold Th.II constituting an upper limit, in terms of software design. It assigns a priority call a channel and connects the call to the exchange side even if the total number of calls exceeds the design threshold Th.II, but if it determines that it is smaller than the maximum threshold Th.III, performs breathing when the total number of calls exceeds the design threshold Th.II, and sends a standby instruction message to the terminal side when it determines that the total number of calls has exceeded the maximum threshold Th.III.

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First Claim