Patent ID: 8504009

Claim:
A method for allocating dispatch service areas of a trunking system based on code division multiple access technology, characterized in comprising the following steps: Step 1, dividing the service area of a trunking system into a plurality of dispatch location areas geographically not overlapping each other; Step 2, assigning one or a plurality of dispatch location areas as dispatch service area for each fleet on the push-to-talk home register of said trunking system, wherein said dispatch service area acts as a working area of said fleet; Step 3, assigning dispatch service areas for groups of said fleet, wherein said dispatch service areas of the groups should be full set or subset of said dispatch service area of the fleet; Step 4, synchronizing assigning information pertaining to said dispatch service areas for the groups of said fleet from network side to a mobile station such that said network side and said mobile station have the same information about said assigning information pertaining to said dispatch service areas for the groups of said fleet; Step 5, configuring a system parameter of a cell of a base station such that the system parameter at least includes information pertaining to a dispatch location associated with the cell, the system parameter thus indicating whether the mobile station is beyond the dispatch service area associated with the cell, and said push-to-talk home register controlling a trunking conversation of said mobile station based on whether the mobile station locates in the dispatch service area associated with the cell.