Method and corresponding device for sending and receiving group paging in LTE system
A paging response and trunking technology, applied in wireless communication, broadcast service distribution, electrical components, etc., can solve the problem of large paging volume, reduce head overhead, increase system capacity, and reduce implementation complexity
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Embodiment 1
[0071] This embodiment describes a method for sending cluster paging in an LTE system, such as figure 1 shown, including the following steps:
[0072] Step 10, the base station receives the group paging request;
[0073] Step 11: Send a paging message to the trunking terminal in the cell at a predetermined paging time slot, and the paging message includes the group ID of the group that needs to be paged.
[0074] For the cluster service, the paging message monitored by each terminal in the group is the same, and there is no need to send a paging message separately for each terminal. Therefore, the design of this application includes the group identifiers of all groups that need to be paged in a paging message, which can reduce the number of paging message transmissions, reduce the header overhead of each protocol layer when paging is sent in a distributed manner, and improve system capacity , to reduce the complexity of system implementation.
[0075] In a preferred embodim...
Embodiment 2
[0090] This embodiment describes a method for sending cluster paging in an LTE system, such as image 3 shown, including the following steps:
[0091] Step 20, the trunking terminal monitors the paging message;
[0092] Step 21, after listening to the paging message, judging that the group identifier contained in the paging message is the same as the group identifier of the group to which the terminal belongs, then accessing the group service and sending a paging response to the base station, Either not sending a paging response to the base station, or judging whether to send a paging response to the base station according to the paging response identification information in the paging message.
[0093] By performing different processing on the way in which the terminal sends the paging response, different system requirements can be met.
[0094] If it is judged that the group identifier contained in the paging message is different from the group identifier of the terminal, ...
application example 1
[0111] Such as Figure 4 As shown, in this example, the calling party and the called party are not in the same cell, and the called trunking terminal is in an idle state. Send a paging response immediately, including the following steps:
[0112] Step 101, the base station determines the trunking paging time slot and notifies the trunking terminal (such as notifying the terminal in the SIB, but not limited to the SIB);
[0113] The trunking paging time slot is used for trunking terminals to monitor trunking paging.
[0114] Step 102, when the group call is established, the base station combines the paging messages that need to be sent to each group in the cell, and sends them to the trunking terminals in the cell in the determined trunking paging time slot. The paging message carries Group ID (GroupID, or group number) of the group to be paged;
[0115] Preferably, the paging message may also carry other group information, such as T-RNTI (Trunking-RadioNetwork Temporary Ide...
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