Capacity expansion method and base station of a cluster system

Abstract

The application discloses a method for expanding the capacity of a cluster system and a base station. The method includes judging whether the number of current terminals exceeds the preset number of bearers, wherein the current terminal is the sum of communication terminals that have subscribed to GPS and communication terminals that apply for subscription to GPS; if the number of current terminals exceeds the preset number of bearers, then Adjust the initial GPS subscription period of the subscribed communication terminal, so that the adjusted number of bearers is greater than or equal to the number of current terminals; wherein, the preset number of bearers is the number of bearers corresponding to the initial GPS subscription period. Through the above method, the present application can automatically adjust the GPS subscription cycle, thereby realizing the expansion of the trunking system and meeting the needs of more terminals for GPS positioning.

Description

technical field [0001] The present application relates to the technical field of communications, and in particular to a method for expanding the capacity of a trunking system and a base station. Background technique [0002] In the current Digital Mobile Terminal (DMR) / Police Digital Trunking (PDT) system, users are required to be able to query the geographic location information of each terminal under the system in real time, and require the system to support applications such as the location track and track playback of the specified terminal; DMR / PDT The auxiliary GPS channel of the cluster system can realize large-capacity, collision-free GPS data acquisition, and supports sending 1000 pieces of GPS data per minute, basically meeting user requirements. [0003] For some users with a large number of terminals and high GPS location requirements, such as users in the public security industry, the GPS subscription period generally requires 6 seconds or 12 seconds. Under the c...

AI Technical Summary

Problems solved by technology

[0003] For some users with a large number of terminals and high GPS location requirements, such as users in the public security industry, the GPS subscription period generally requires 6 seconds or 12 seconds. Under the condition of a single base station, the GPS data is subscribed at a period of 6 seconds. A single base station can only support 100 GPS subscription for each terminal; according to the 12-second cycle of subscribing to GPS data, a single base station can only support GPS subscription of 200 terminals, and the auxiliary GPS channel processing capability is slightly insufficient; and when the number of users subscribing to GPS exceeds the maximum processing capacity of the system When the system has no available GPS subscription resources, the new terminal will directly refuse to subscribe to GPS information, resulting in the terminal beyond the maximum processing capacity of the system unable to obtain GPS data, unable to perform position positioning, track playback and visual command and dispatch

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