Method for implementing customer terminal calling for wireless communication system
A wireless communication system and user terminal technology, which is applied to the field of paging user terminals in the wireless communication system, can solve the problem of large paging message traffic, affecting the system call completion rate, difficult to solve the problem of paging load overload and frequent location updates, etc. problem, to achieve the effect of saving paging bandwidth, reducing message congestion, and improving the called paging completion rate
Inactive Publication Date: 2009-02-11
ZTE CORP
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[0012] It can be seen from the above that when the system paging the UE, the paging range is determined by the paging location area. The larger the paging location area is, the more Node Bs are covered. Too many, the number of user terminals is too large, and a large number of paging will lead to excessive paging message traffic of Node B, which will cause excessive system load and affect the system call throughput. If the paging location area is set too much Small, too many paging location areas in the network will cause frequent location updates of user terminals, waste corresponding signaling resources, and increase the uplink load of the network
Therefore, the method for processing paging messages in the prior art is difficult to solve the contradiction between paging load overload and frequent location updates
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[0023] The main technical idea of the present invention is: because in some occasions when the UE is updating its location, the range of movement within a period is limited, and the UE will often be fixed in a cell in the paging location area. The RNC sets up a dynamic database to store UE When the CN initiates paging to a paging location area in the RNC, it will send a paging message to all location update cells with historical records at the same time. If the UE cannot be paged, the entire paging location area of the RNC will All cells in the area perform paging.
[0024] The main steps of realizing the method of the present invention are as follows:
[0025] S101, setting a dynamic database in the RNC to save the cell history information of the UE in the cell managed by the RNC within the Thr0 time;
[0026] S102, when the UE location is updated, dynamically update the cell history information of the UE;
[0027] S103, after the RNC receives the paging message, collec...
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The invention provides a method for paging a user terminal used for a radio communications system. The method comprises the following steps: a dynamic database used for saving the update information of the location of the user terminal in a certain period of time is arranged in a radio network controller; when a CN (Core Network) starts paging in a paging location area in the wireless network controller, the paging message is started at the same time at all location updating cells with histories; and if the terminal is not found, the CN stars paging all the cells in the whole paging location area of the radio network controller. When paging the user terminal, the method firstly paging the location updating cells in a certain period of time, thus effectively saving the paging bandwidth.
Description
technical field [0001] The invention belongs to the field of wireless communication, in particular to a method for realizing paging for a user terminal in a wireless communication system. Background technique [0002] In a wireless communication system, there are always some UEs (user terminals) in an idle state with neither uplink transmission service nor downlink reception service. When there is a service for an idle UE on the network associated with the base station, for example, there is a voice service request to the UE, the base station often needs to notify the idle UE to start and prepare to receive the corresponding voice service through paging. business. [0003] The wireless communication system divides different base stations in the service area into different paging location areas. A paging location area may cover dozens or even hundreds of cells, and some base stations may belong to two different paging location areas. [0004] The paging location area mainly...
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Inventor 王建军
Owner ZTE CORP