Communication method and device
A communication method and communication link technology, applied in the field of communication methods and devices, capable of solving problems affecting data transmission efficiency within a group, repeated data transmission, etc., achieving the effects of improving information transmission efficiency, avoiding waste, and reducing the number of times
Active Publication Date: 2022-05-20
CHENGDU TD TECH LTD
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Problems solved by technology
That is, when sending data to N subnets under gateway office 2, the TCT device of subnet 11 needs to send data to gateway office 2 N times through gateway office 1, resulting in repeated data transmission
[0004] Therefore, when data is exchanged between subnets under different gateway offices, there is a problem of repeated transmission of data between gateway offices, which affects the efficiency of data transmission within the group
Method used
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[0071] In order to make the purposes, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments It is a part of the embodiments of this application, not all of them. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of this application.
[0072] In the B-TrunC system, any terminal device registered under the G-TCF device initiates a group call request to the G-TCF device, requesting to establish a group. Wherein, the terminal device that initiates a group call request to the G-TCF device is recorded as the first terminal device. The G-TCF device judges whether the first terminal device has th...
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The embodiment of the present application provides a communication method and device, the method includes: the G-TCF equipment sends the first information to the TCF equipment of the first gateway office through the second communication link, and the TCF equipment of the first gateway office transmits the first information through the third communication link The channel and the fourth communication link distribute the first information to the TCF equipment of the second gateway office and the subnet TCF equipment under the first gateway office. The TCF device of the second gateway office distributes the first information to the subnet TCF devices under the second gateway office through the fifth communication link. Among them, between the G-TCF equipment and the TCF equipment of the first gateway office, and between the TCF equipment of the first gateway office and the TCF equipment of the second gateway office, only the first information needs to be sent once, thereby reducing the number of times information is sent and improving information transmission. efficiency. Also, the number of communication links used to transmit information is reduced, thereby avoiding waste of communication resources.
Description
technical field [0001] The embodiments of the present application relate to the field of communication technologies, and in particular, to a communication method and device. Background technique [0002] In the B-TrunC standard, when multiple subnets are connected to each other, such as figure 1 As shown, the gateway bureau needs to be introduced. Among them, in figure 1 In the networking scenario shown, when the group is established, according to the B-TrunC standard, the group-cluster control function TCF (G-TCF) device needs to know the subnets where all the user terminals in the group are located. Each subnet sends a message to establish the associated group resource. [0003] for figure 1 In the networking scenario shown, for example, when users located in subnet 11, subnet 12, subnet 21, and subnet 23 create a group, subnet 11 is the home of the group, and subnet 11 and subnet 21, When the subnet 23 interacts, the TCF device on the subnet 11 sends data to the gate...
Claims
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IPC IPC(8): H04W76/11H04W84/08
CPCH04W76/11H04W84/08
Inventor 周志宏范晨袁乃华陈迎强婕郑岚
Owner CHENGDU TD TECH LTD