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A method for transmitting cluster information and corresponding cluster terminal and access node
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A technology of cluster terminals and access nodes, which is applied in the field of information transmission and can solve problems such as multi-resources and transmission speed limitations.
Inactive Publication Date: 2019-01-22
ZTE CORP
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But this needs to take up more resources, and the speed of transmission is also limited
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Embodiment 1
[0044] In this embodiment, a broadband trunking communication system based on Long Term Evolution (LTE) technology is taken as an example, and the access node is an eNB as an example. See figure 1 In the signaling process shown, the method for transmitting cluster information in this embodiment includes:
[0045] Step 10: A cluster terminal (UE) that has no right to speak and is idle in the cluster communication system initiates random access, and uses the cluster terminal access resource to send message one;
[0046] Trunking terminal access resources are resources dedicated to trunking terminals divided from the resources used by LTE system terminals during random access, and can be implemented in any of the following three ways:
[0047] The first method is to use the code domain processing method, and the resource dedicated to the cluster terminal is the code resource;
[0048] In this way, the code resource used for LTE terminal access, that is, the random access prefix (PRACH Pr...
Embodiment 2
[0073] This embodiment is basically the same as the first embodiment, such as image 3 As shown, the difference is that in step 14, the trunking information carried by the trunking terminal through the uplink common control channel signaling in the MSG3 is trunked NAS signaling such as applying for speaking rights, preempting speaking rights, sending group establishment request messages, etc. And after step 14, it also includes:
[0074] Step 16. After receiving the MSG3, the eNB transparently transmits the clustered NAS signaling carried by it to the DSS for processing.
[0075] As an example, the above process can be performed in the following scenarios:
[0076] When a trunked terminal in an idle state without speaking rights needs to apply for speaking rights or preemptive speaking rights from DSS, it initiates the aforementioned random access procedure, carries the corresponding clustered NAS signaling in the UL CCCH signaling and sends it to the eNB, and the eNB transmits the ...
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Abstract
A cluster information transmission method and a corresponding cluster terminal and an access node, the transmission method includes: a cluster terminal having no voice right and an idle state in the trunking communication system initiates random access, and uses the cluster terminal access resource to send a message; After receiving the message, the ingress node determines that the resource used by the message is the cluster terminal access resource, and the time-frequency resource used by the message three is authorized in the message 2 returned to the cluster terminal; the cluster After receiving the message 2, the terminal sends a message 3 to the access node, where the message carries the cluster information through the uplink common control channel signaling. The present invention also provides corresponding cluster terminals and access nodes. The solution of the invention has less resource occupation and fast information transmission speed.
Description
Technical field [0001] The present invention relates to information transmission technology, in particular to a method for transmitting cluster information and corresponding cluster terminals and access nodes. Background technique [0002] The trunking communication system is a dedicated wirelesstrunking communication system for specific industry applications developed to meet the command and dispatch needs of industry users. A large number of wireless users in the system share a small number of wireless channels, and the command and dispatch is the main application. It is a multi-purpose and efficient Capable wireless trunking communication system. [0003] Group call session is the main service performed by the trunking communication system. It is characterized by that multiple terminal users can enter the same session connection. One of the users has the right to speak and belongs to the user with the right to speak, while other users have no right to speak and belong to the no...
Claims
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