Call establishment method for digital cluster system
A digital trunking system and call establishment technology, which is applied in the field of communication, can solve the problems of affecting the range of group users' activities, failing to obtain trunking group call services, and failing to meet user mobility requirements, and achieve the effect of solving the limitation of mobile range
Inactive Publication Date: 2008-09-10
SHENZHEN ZTE TRUNKING TECH CORP
View PDF1 Cites 11 Cited by
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
The Chinese patent application "CDMA Digital Trunking Traditional Group Call Call Establishment and Call Control Method" with the application number CN 200510134219.1 discloses a method for controlling the call process of the digital trunking system: when the user leaves the dispatching area, the user will not be able to obtain Cluster group call service, this group call control method affects the range of activities of group users, and cannot meet the growing mobility requirements of users
Method used
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View moreImage
Smart Image Click on the blue labels to locate them in the text.
Smart ImageViewing Examples
Examples
Experimental program
Comparison scheme
Effect test
Embodiment Construction
[0017] In order to solve the above-mentioned technical problems, the present invention provides a call establishment method for a digital trunking system. The method includes the following steps:
[0018] a) The caller selects a group to initiate a call, and the call initiation request sent by the calling terminal is sent to the network side through the base station subsystem, and the call initiation request carries the user's location information.
[0019] b) The scheduling home register authenticates the terminal, and notifies the scheduling server of the authentication result. When the scheduling server receives the authentication response, it judges that the location of the calling user is outside the group scheduling area, and the restricted type of the group is not strictly restricted. All base station controllers in the service area send group paging requests.
[0020] c) After receiving the paging request, the base station controller notifies all the transceivers und...
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More PUM
Login to View More Abstract
The invention discloses a call establishment method used for a digital cluster system. The call establishment method comprises the steps that: a modulation server judges whether a terminal is positioned in modulation areas of selected groups according to position information of a terminal carried by a caller request after receiving the caller request of the terminal to initiate the group calling of a selected group; the modulation server respectively sends group calling and paging requests to base stations serving in a caller terminal and base stations in the modulation areas of the selected group when the terminal is not positioned in the modulation areas of the selected group; the base stations serving in the caller terminal and the base stations in the modulation areas of the selected group respectively respond to the group calling and paging requests to establish the wireless communication resources which are jointly used in the selected group and the wireless communication resources which are respectively the member terminals of the selected group, and conduct a paging process to the member terminals of the selected group after the wireless communication resources are successfully established to establish the group calling of the selected group.
Description
technical field [0001] The present invention relates to the field of communication, and more specifically relates to a method for establishing a call in a digital trunking system. Background technique [0002] Mobile communication technology has been developed to the third generation, among which trunking communication has increasingly become an indispensable communication service. Trunking communication refers to a dedicated dispatching communication method, including dedicated command and dispatching communication. During use, trunking users can join calls at the same time, and calls are made in simplex or half-duplex mode. [0003] Trunking communication has experienced the development process from simple intercom system to single base station small system, and then to large-capacity multi-area system, and then experienced the leap from analog trunking to digital trunking, making trunking communication in signaling coding, using multiple access More reliable digital proc...
Claims
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More Application Information
Patent Timeline
Login to View More Patent Type & Authority Applications(China)
IPC IPC(8): H04Q7/28H04Q7/38
Inventor 朱小光王璐
Owner SHENZHEN ZTE TRUNKING TECH CORP